"Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 2 | /* |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 3 | * mini dpkg implementation for busybox. |
| 4 | * this is not meant as a replacement for dpkg |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 5 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 6 | * written by glenn mcgrath with the help of others |
| 7 | * copyright (c) 2001 by glenn mcgrath |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 8 | * |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 9 | * parts of the version comparison code is plucked from the real dpkg |
| 10 | * application which is licensed GPLv2 and |
| 11 | * copyright (c) 1995 Ian Jackson <ian@chiark.greenend.org.uk> |
| 12 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 13 | * started life as a busybox implementation of udpkg |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 14 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 15 | * licensed under gplv2 or later, see file license in this tarball for details. |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 16 | */ |
Glenn L McGrath | 649968c | 2001-02-10 14:26:48 +0000 | [diff] [blame] | 17 | |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 18 | /* |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 19 | * known difference between busybox dpkg and the official dpkg that i don't |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 20 | * consider important, its worth keeping a note of differences anyway, just to |
| 21 | * make it easier to maintain. |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 22 | * - the first value for the confflile: field isnt placed on a new line. |
| 23 | * - when installing a package the status: field is placed at the end of the |
| 24 | * section, rather than just after the package: field. |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 25 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 26 | * bugs that need to be fixed |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 27 | * - (unknown, please let me know when you find any) |
| 28 | * |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 29 | */ |
| 30 | |
Denis Vlasenko | b6adbf1 | 2007-05-26 19:00:18 +0000 | [diff] [blame] | 31 | #include "libbb.h" |
Bernhard Reutner-Fischer | 97516fc | 2008-09-25 12:18:49 +0000 | [diff] [blame] | 32 | #include <fnmatch.h> |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 33 | #include "unarchive.h" |
Glenn L McGrath | c900575 | 2001-02-10 02:05:24 +0000 | [diff] [blame] | 34 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 35 | /* note: if you vary hash_prime sizes be aware, |
| 36 | * 1) tweaking these will have a big effect on how much memory this program uses. |
| 37 | * 2) for computational efficiency these hash tables should be at least 20% |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 38 | * larger than the maximum number of elements stored in it. |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 39 | * 3) all _hash_prime's must be a prime number or chaos is assured, if your looking |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 40 | * for a prime, try http://www.utm.edu/research/primes/lists/small/10000.txt |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 41 | * 4) if you go bigger than 15 bits you may get into trouble (untested) as its |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 42 | * sometimes cast to an unsigned, if you go to 16 bit you will overlap |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 43 | * int's and chaos is assured, 16381 is the max prime for 14 bit field |
| 44 | */ |
| 45 | |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 46 | /* NAME_HASH_PRIME, Stores package names and versions, |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 47 | * I estimate it should be at least 50% bigger than PACKAGE_HASH_PRIME, |
| 48 | * as there a lot of duplicate version numbers */ |
| 49 | #define NAME_HASH_PRIME 16381 |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 50 | |
| 51 | /* PACKAGE_HASH_PRIME, Maximum number of unique packages, |
| 52 | * It must not be smaller than STATUS_HASH_PRIME, |
| 53 | * Currently only packages from status_hashtable are stored in here, but in |
| 54 | * future this may be used to store packages not only from a status file, |
| 55 | * but an available_hashtable, and even multiple packages files. |
| 56 | * Package can be stored more than once if they have different versions. |
| 57 | * e.g. The same package may have different versions in the status file |
| 58 | * and available file */ |
| 59 | #define PACKAGE_HASH_PRIME 10007 |
| 60 | typedef struct edge_s { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 61 | unsigned operator:4; /* was:3 */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 62 | unsigned type:4; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 63 | unsigned name:16; /* was:14 */ |
| 64 | unsigned version:16; /* was:14 */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 65 | } edge_t; |
| 66 | |
| 67 | typedef struct common_node_s { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 68 | unsigned name:16; /* was:14 */ |
| 69 | unsigned version:16; /* was:14 */ |
| 70 | unsigned num_of_edges:16; /* was:14 */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 71 | edge_t **edge; |
| 72 | } common_node_t; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 73 | |
| 74 | /* Currently it doesnt store packages that have state-status of not-installed |
| 75 | * So it only really has to be the size of the maximum number of packages |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 76 | * likely to be installed at any one time, so there is a bit of leeway here */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 77 | #define STATUS_HASH_PRIME 8191 |
| 78 | typedef struct status_node_s { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 79 | unsigned package:16; /* was:14 */ /* has to fit PACKAGE_HASH_PRIME */ |
| 80 | unsigned status:16; /* was:14 */ /* has to fit STATUS_HASH_PRIME */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 81 | } status_node_t; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 82 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 83 | |
| 84 | /* Globals */ |
| 85 | struct globals { |
| 86 | char *name_hashtable[NAME_HASH_PRIME + 1]; |
| 87 | common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1]; |
| 88 | status_node_t *status_hashtable[STATUS_HASH_PRIME + 1]; |
| 89 | }; |
| 90 | #define G (*ptr_to_globals) |
| 91 | #define name_hashtable (G.name_hashtable ) |
| 92 | #define package_hashtable (G.package_hashtable) |
| 93 | #define status_hashtable (G.status_hashtable ) |
| 94 | #define INIT_G() do { \ |
| 95 | SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \ |
| 96 | } while (0) |
| 97 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 98 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 99 | /* Even numbers are for 'extras', like ored dependencies or null */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 100 | enum edge_type_e { |
| 101 | EDGE_NULL = 0, |
| 102 | EDGE_PRE_DEPENDS = 1, |
| 103 | EDGE_OR_PRE_DEPENDS = 2, |
| 104 | EDGE_DEPENDS = 3, |
| 105 | EDGE_OR_DEPENDS = 4, |
| 106 | EDGE_REPLACES = 5, |
| 107 | EDGE_PROVIDES = 7, |
| 108 | EDGE_CONFLICTS = 9, |
| 109 | EDGE_SUGGESTS = 11, |
| 110 | EDGE_RECOMMENDS = 13, |
| 111 | EDGE_ENHANCES = 15 |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 112 | }; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 113 | enum operator_e { |
| 114 | VER_NULL = 0, |
| 115 | VER_EQUAL = 1, |
| 116 | VER_LESS = 2, |
| 117 | VER_LESS_EQUAL = 3, |
| 118 | VER_MORE = 4, |
| 119 | VER_MORE_EQUAL = 5, |
| 120 | VER_ANY = 6 |
| 121 | }; |
| 122 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 123 | typedef struct deb_file_s { |
| 124 | char *control_file; |
| 125 | char *filename; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 126 | unsigned package:16; /* was:14 */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 127 | } deb_file_t; |
| 128 | |
| 129 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 130 | static void make_hash(const char *key, unsigned *start, unsigned *decrement, const int hash_prime) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 131 | { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 132 | unsigned long hash_num = key[0]; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 133 | int len = strlen(key); |
| 134 | int i; |
| 135 | |
| 136 | /* Maybe i should have uses a "proper" hashing algorithm here instead |
| 137 | * of making one up myself, seems to be working ok though. */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 138 | for (i = 1; i < len; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 139 | /* shifts the ascii based value and adds it to previous value |
| 140 | * shift amount is mod 24 because long int is 32 bit and data |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 141 | * to be shifted is 8, don't want to shift data to where it has |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 142 | * no effect */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 143 | hash_num += (key[i] + key[i-1]) << ((key[i] * i) % 24); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 144 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 145 | *start = (unsigned) hash_num % hash_prime; |
| 146 | *decrement = (unsigned) 1 + (hash_num % (hash_prime - 1)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | /* this adds the key to the hash table */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 150 | static int search_name_hashtable(const char *key) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 151 | { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 152 | unsigned probe_address; |
| 153 | unsigned probe_decrement; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 154 | |
| 155 | make_hash(key, &probe_address, &probe_decrement, NAME_HASH_PRIME); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 156 | while (name_hashtable[probe_address] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 157 | if (strcmp(name_hashtable[probe_address], key) == 0) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 158 | return probe_address; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 159 | } |
| 160 | probe_address -= probe_decrement; |
| 161 | if ((int)probe_address < 0) { |
| 162 | probe_address += NAME_HASH_PRIME; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 163 | } |
| 164 | } |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 165 | name_hashtable[probe_address] = xstrdup(key); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 166 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | /* this DOESNT add the key to the hashtable |
| 170 | * TODO make it consistent with search_name_hashtable |
| 171 | */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 172 | static unsigned search_status_hashtable(const char *key) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 173 | { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 174 | unsigned probe_address; |
| 175 | unsigned probe_decrement; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 176 | |
| 177 | make_hash(key, &probe_address, &probe_decrement, STATUS_HASH_PRIME); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 178 | while (status_hashtable[probe_address] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 179 | if (strcmp(key, name_hashtable[package_hashtable[status_hashtable[probe_address]->package]->name]) == 0) { |
| 180 | break; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 181 | } |
| 182 | probe_address -= probe_decrement; |
| 183 | if ((int)probe_address < 0) { |
| 184 | probe_address += STATUS_HASH_PRIME; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 185 | } |
| 186 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 187 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 188 | } |
| 189 | |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 190 | static int order(char x) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 191 | { |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 192 | return (x == '~' ? -1 |
| 193 | : x == '\0' ? 0 |
| 194 | : isdigit(x) ? 0 |
| 195 | : isalpha(x) ? x |
| 196 | : (unsigned char)x + 256 |
| 197 | ); |
| 198 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 199 | |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 200 | /* This code is taken from dpkg and modified slightly to work with busybox */ |
| 201 | static int version_compare_part(const char *val, const char *ref) |
| 202 | { |
| 203 | if (!val) val = ""; |
| 204 | if (!ref) ref = ""; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 205 | |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 206 | while (*val || *ref) { |
| 207 | int first_diff; |
| 208 | |
| 209 | while ((*val && !isdigit(*val)) || (*ref && !isdigit(*ref))) { |
| 210 | int vc = order(*val); |
| 211 | int rc = order(*ref); |
| 212 | if (vc != rc) |
| 213 | return vc - rc; |
| 214 | val++; |
| 215 | ref++; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 216 | } |
| 217 | |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 218 | while (*val == '0') |
| 219 | val++; |
| 220 | while (*ref == '0') |
| 221 | ref++; |
| 222 | |
| 223 | first_diff = 0; |
| 224 | while (isdigit(*val) && isdigit(*ref)) { |
| 225 | if (first_diff == 0) |
| 226 | first_diff = *val - *ref; |
| 227 | val++; |
| 228 | ref++; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 229 | } |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 230 | if (isdigit(*val)) |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 231 | return 1; |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 232 | if (isdigit(*ref)) |
| 233 | return -1; |
| 234 | if (first_diff) |
| 235 | return first_diff; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 236 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 237 | return 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | /* if ver1 < ver2 return -1, |
| 241 | * if ver1 = ver2 return 0, |
| 242 | * if ver1 > ver2 return 1, |
| 243 | */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 244 | static int version_compare(const unsigned ver1, const unsigned ver2) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 245 | { |
| 246 | char *ch_ver1 = name_hashtable[ver1]; |
| 247 | char *ch_ver2 = name_hashtable[ver2]; |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 248 | unsigned long epoch1 = 0, epoch2 = 0; |
| 249 | char *colon; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 250 | char *deb_ver1, *deb_ver2; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 251 | char *upstream_ver1; |
| 252 | char *upstream_ver2; |
| 253 | int result; |
| 254 | |
| 255 | /* Compare epoch */ |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 256 | colon = strchr(ch_ver1, ':'); |
| 257 | if (colon) { |
| 258 | epoch1 = atoi(ch_ver1); |
| 259 | ch_ver1 = colon + 1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 260 | } |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 261 | colon = strchr(ch_ver2, ':'); |
| 262 | if (colon) { |
| 263 | epoch2 = atoi(ch_ver2); |
| 264 | ch_ver2 = colon + 1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 265 | } |
| 266 | if (epoch1 < epoch2) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 267 | return -1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 268 | } |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 269 | if (epoch1 > epoch2) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 270 | return 1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | /* Compare upstream version */ |
Denis Vlasenko | b8baf40 | 2008-11-20 23:41:56 +0000 | [diff] [blame] | 274 | upstream_ver1 = xstrdup(ch_ver1); |
| 275 | upstream_ver2 = xstrdup(ch_ver2); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 276 | |
| 277 | /* Chop off debian version, and store for later use */ |
| 278 | deb_ver1 = strrchr(upstream_ver1, '-'); |
| 279 | deb_ver2 = strrchr(upstream_ver2, '-'); |
| 280 | if (deb_ver1) { |
| 281 | deb_ver1[0] = '\0'; |
| 282 | deb_ver1++; |
| 283 | } |
| 284 | if (deb_ver2) { |
| 285 | deb_ver2[0] = '\0'; |
| 286 | deb_ver2++; |
| 287 | } |
| 288 | result = version_compare_part(upstream_ver1, upstream_ver2); |
Denis Vlasenko | aecabff | 2006-09-30 21:05:25 +0000 | [diff] [blame] | 289 | if (!result) |
| 290 | /* Compare debian versions */ |
| 291 | result = version_compare_part(deb_ver1, deb_ver2); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 292 | |
| 293 | free(upstream_ver1); |
| 294 | free(upstream_ver2); |
Denis Vlasenko | aecabff | 2006-09-30 21:05:25 +0000 | [diff] [blame] | 295 | return result; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 296 | } |
| 297 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 298 | static int test_version(const unsigned version1, const unsigned version2, const unsigned operator) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 299 | { |
| 300 | const int version_result = version_compare(version1, version2); |
Denis Vlasenko | c16bd21 | 2006-09-27 19:51:06 +0000 | [diff] [blame] | 301 | switch (operator) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 302 | case VER_ANY: |
| 303 | return TRUE; |
| 304 | case VER_EQUAL: |
| 305 | return (version_result == 0); |
| 306 | case VER_LESS: |
| 307 | return (version_result < 0); |
| 308 | case VER_LESS_EQUAL: |
| 309 | return (version_result <= 0); |
| 310 | case VER_MORE: |
| 311 | return (version_result > 0); |
| 312 | case VER_MORE_EQUAL: |
| 313 | return (version_result >= 0); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 314 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 315 | return FALSE; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 316 | } |
| 317 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 318 | static int search_package_hashtable(const unsigned name, const unsigned version, const unsigned operator) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 319 | { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 320 | unsigned probe_address; |
| 321 | unsigned probe_decrement; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 322 | |
| 323 | make_hash(name_hashtable[name], &probe_address, &probe_decrement, PACKAGE_HASH_PRIME); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 324 | while (package_hashtable[probe_address] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 325 | if (package_hashtable[probe_address]->name == name) { |
| 326 | if (operator == VER_ANY) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 327 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 328 | } |
| 329 | if (test_version(package_hashtable[probe_address]->version, version, operator)) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 330 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 331 | } |
| 332 | } |
| 333 | probe_address -= probe_decrement; |
| 334 | if ((int)probe_address < 0) { |
| 335 | probe_address += PACKAGE_HASH_PRIME; |
| 336 | } |
| 337 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 338 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | /* |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 342 | * This function searches through the entire package_hashtable looking |
| 343 | * for a package which provides "needle". It returns the index into |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 344 | * the package_hashtable for the providing package. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 345 | * |
| 346 | * needle is the index into name_hashtable of the package we are |
| 347 | * looking for. |
| 348 | * |
| 349 | * start_at is the index in the package_hashtable to start looking |
| 350 | * at. If start_at is -1 then start at the beginning. This is to allow |
| 351 | * for repeated searches since more than one package might provide |
| 352 | * needle. |
| 353 | * |
| 354 | * FIXME: I don't think this is very efficient, but I thought I'd keep |
| 355 | * it simple for now until it proves to be a problem. |
| 356 | */ |
Denis Vlasenko | ac678ec | 2007-04-16 22:32:04 +0000 | [diff] [blame] | 357 | static int search_for_provides(int needle, int start_at) |
| 358 | { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 359 | int i, j; |
| 360 | common_node_t *p; |
| 361 | for (i = start_at + 1; i < PACKAGE_HASH_PRIME; i++) { |
| 362 | p = package_hashtable[i]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 363 | if (p == NULL) |
| 364 | continue; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 365 | for (j = 0; j < p->num_of_edges; j++) |
| 366 | if (p->edge[j]->type == EDGE_PROVIDES && p->edge[j]->name == needle) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 367 | return i; |
| 368 | } |
| 369 | return -1; |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | * Add an edge to a node |
| 374 | */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 375 | static void add_edge_to_node(common_node_t *node, edge_t *edge) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 376 | { |
Denis Vlasenko | deeed59 | 2008-07-08 05:14:36 +0000 | [diff] [blame] | 377 | node->edge = xrealloc_vector(node->edge, 2, node->num_of_edges); |
| 378 | node->edge[node->num_of_edges++] = edge; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | /* |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 382 | * Create one new node and one new edge for every dependency. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 383 | * |
| 384 | * Dependencies which contain multiple alternatives are represented as |
| 385 | * an EDGE_OR_PRE_DEPENDS or EDGE_OR_DEPENDS node, followed by a |
| 386 | * number of EDGE_PRE_DEPENDS or EDGE_DEPENDS nodes. The name field of |
| 387 | * the OR edge contains the full dependency string while the version |
| 388 | * field contains the number of EDGE nodes which follow as part of |
| 389 | * this alternative. |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 390 | */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 391 | static void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned edge_type) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 392 | { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 393 | char *line = xstrdup(whole_line); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 394 | char *line2; |
| 395 | char *line_ptr1 = NULL; |
| 396 | char *line_ptr2 = NULL; |
| 397 | char *field; |
| 398 | char *field2; |
| 399 | char *version; |
| 400 | edge_t *edge; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 401 | edge_t *or_edge; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 402 | int offset_ch; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 403 | |
| 404 | field = strtok_r(line, ",", &line_ptr1); |
| 405 | do { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 406 | /* skip leading spaces */ |
| 407 | field += strspn(field, " "); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 408 | line2 = xstrdup(field); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 409 | field2 = strtok_r(line2, "|", &line_ptr2); |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 410 | or_edge = NULL; |
| 411 | if ((edge_type == EDGE_DEPENDS || edge_type == EDGE_PRE_DEPENDS) |
| 412 | && (strcmp(field, field2) != 0) |
| 413 | ) { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 414 | or_edge = xzalloc(sizeof(edge_t)); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 415 | or_edge->type = edge_type + 1; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 416 | or_edge->name = search_name_hashtable(field); |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 417 | //or_edge->version = 0; // tracks the number of alternatives |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 418 | add_edge_to_node(parent_node, or_edge); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | do { |
Denis Vlasenko | b95636c | 2006-12-19 23:36:04 +0000 | [diff] [blame] | 422 | edge = xmalloc(sizeof(edge_t)); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 423 | edge->type = edge_type; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 424 | |
| 425 | /* Skip any extra leading spaces */ |
| 426 | field2 += strspn(field2, " "); |
| 427 | |
| 428 | /* Get dependency version info */ |
| 429 | version = strchr(field2, '('); |
| 430 | if (version == NULL) { |
| 431 | edge->operator = VER_ANY; |
| 432 | /* Get the versions hash number, adding it if the number isnt already in there */ |
| 433 | edge->version = search_name_hashtable("ANY"); |
| 434 | } else { |
| 435 | /* Skip leading ' ' or '(' */ |
Bernhard Reutner-Fischer | 6c501a7 | 2007-06-05 17:28:56 +0000 | [diff] [blame] | 436 | version += strspn(version, " ("); |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 437 | /* Calculate length of any operator characters */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 438 | offset_ch = strspn(version, "<=>"); |
| 439 | /* Determine operator */ |
| 440 | if (offset_ch > 0) { |
| 441 | if (strncmp(version, "=", offset_ch) == 0) { |
| 442 | edge->operator = VER_EQUAL; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 443 | } else if (strncmp(version, "<<", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 444 | edge->operator = VER_LESS; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 445 | } else if (strncmp(version, "<=", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 446 | edge->operator = VER_LESS_EQUAL; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 447 | } else if (strncmp(version, ">>", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 448 | edge->operator = VER_MORE; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 449 | } else if (strncmp(version, ">=", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 450 | edge->operator = VER_MORE_EQUAL; |
| 451 | } else { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 452 | bb_error_msg_and_die("illegal operator"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 453 | } |
| 454 | } |
| 455 | /* skip to start of version numbers */ |
| 456 | version += offset_ch; |
| 457 | version += strspn(version, " "); |
| 458 | |
| 459 | /* Truncate version at trailing ' ' or ')' */ |
| 460 | version[strcspn(version, " )")] = '\0'; |
| 461 | /* Get the versions hash number, adding it if the number isnt already in there */ |
| 462 | edge->version = search_name_hashtable(version); |
| 463 | } |
| 464 | |
| 465 | /* Get the dependency name */ |
| 466 | field2[strcspn(field2, " (")] = '\0'; |
| 467 | edge->name = search_name_hashtable(field2); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 468 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 469 | if (or_edge) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 470 | or_edge->version++; |
| 471 | |
| 472 | add_edge_to_node(parent_node, edge); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 473 | field2 = strtok_r(NULL, "|", &line_ptr2); |
| 474 | } while (field2 != NULL); |
| 475 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 476 | free(line2); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 477 | field = strtok_r(NULL, ",", &line_ptr1); |
| 478 | } while (field != NULL); |
| 479 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 480 | free(line); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 481 | } |
| 482 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 483 | static void free_package(common_node_t *node) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 484 | { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 485 | unsigned i; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 486 | if (node) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 487 | for (i = 0; i < node->num_of_edges; i++) { |
Aaron Lehmann | a170e1c | 2002-11-28 11:27:31 +0000 | [diff] [blame] | 488 | free(node->edge[i]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 489 | } |
Rob Landley | e7c43b6 | 2006-03-01 16:39:45 +0000 | [diff] [blame] | 490 | free(node->edge); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 491 | free(node); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 492 | } |
| 493 | } |
| 494 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 495 | /* |
Denys Vlasenko | 5370bfb | 2009-09-06 02:58:59 +0200 | [diff] [blame] | 496 | * Gets the next package field from package_buffer, separated into the field name |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 497 | * and field value, it returns the int offset to the first character of the next field |
| 498 | */ |
| 499 | static int read_package_field(const char *package_buffer, char **field_name, char **field_value) |
| 500 | { |
| 501 | int offset_name_start = 0; |
| 502 | int offset_name_end = 0; |
| 503 | int offset_value_start = 0; |
| 504 | int offset_value_end = 0; |
| 505 | int offset = 0; |
| 506 | int next_offset; |
| 507 | int name_length; |
| 508 | int value_length; |
| 509 | int exit_flag = FALSE; |
| 510 | |
| 511 | if (package_buffer == NULL) { |
| 512 | *field_name = NULL; |
| 513 | *field_value = NULL; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 514 | return -1; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 515 | } |
| 516 | while (1) { |
| 517 | next_offset = offset + 1; |
| 518 | switch (package_buffer[offset]) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 519 | case '\0': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 520 | exit_flag = TRUE; |
| 521 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 522 | case ':': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 523 | if (offset_name_end == 0) { |
| 524 | offset_name_end = offset; |
| 525 | offset_value_start = next_offset; |
| 526 | } |
| 527 | /* TODO: Name might still have trailing spaces if ':' isnt |
| 528 | * immediately after name */ |
| 529 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 530 | case '\n': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 531 | /* TODO: The char next_offset may be out of bounds */ |
| 532 | if (package_buffer[next_offset] != ' ') { |
| 533 | exit_flag = TRUE; |
| 534 | break; |
| 535 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 536 | case '\t': |
| 537 | case ' ': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 538 | /* increment the value start point if its a just filler */ |
| 539 | if (offset_name_start == offset) { |
| 540 | offset_name_start++; |
| 541 | } |
| 542 | if (offset_value_start == offset) { |
| 543 | offset_value_start++; |
| 544 | } |
| 545 | break; |
| 546 | } |
| 547 | if (exit_flag) { |
| 548 | /* Check that the names are valid */ |
| 549 | offset_value_end = offset; |
| 550 | name_length = offset_name_end - offset_name_start; |
| 551 | value_length = offset_value_end - offset_value_start; |
| 552 | if (name_length == 0) { |
| 553 | break; |
| 554 | } |
| 555 | if ((name_length > 0) && (value_length > 0)) { |
| 556 | break; |
| 557 | } |
| 558 | |
| 559 | /* If not valid, start fresh with next field */ |
| 560 | exit_flag = FALSE; |
| 561 | offset_name_start = offset + 1; |
| 562 | offset_name_end = 0; |
| 563 | offset_value_start = offset + 1; |
| 564 | offset_value_end = offset + 1; |
| 565 | offset++; |
| 566 | } |
| 567 | offset++; |
| 568 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 569 | *field_name = NULL; |
| 570 | if (name_length) { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 571 | *field_name = xstrndup(&package_buffer[offset_name_start], name_length); |
| 572 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 573 | *field_value = NULL; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 574 | if (value_length > 0) { |
| 575 | *field_value = xstrndup(&package_buffer[offset_value_start], value_length); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 576 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 577 | return next_offset; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 578 | } |
| 579 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 580 | static unsigned fill_package_struct(char *control_buffer) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 581 | { |
Denis Vlasenko | 6ca409e | 2007-08-12 20:58:27 +0000 | [diff] [blame] | 582 | static const char field_names[] ALIGN1 = |
| 583 | "Package\0""Version\0" |
Denis Vlasenko | 990d0f6 | 2007-07-24 15:54:42 +0000 | [diff] [blame] | 584 | "Pre-Depends\0""Depends\0""Replaces\0""Provides\0" |
| 585 | "Conflicts\0""Suggests\0""Recommends\0""Enhances\0"; |
Rob Landley | 0a7c8ef | 2006-02-22 17:01:00 +0000 | [diff] [blame] | 586 | |
Denis Vlasenko | 4cccc03 | 2006-12-22 18:37:07 +0000 | [diff] [blame] | 587 | common_node_t *new_node = xzalloc(sizeof(common_node_t)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 588 | char *field_name; |
| 589 | char *field_value; |
| 590 | int field_start = 0; |
| 591 | int num = -1; |
| 592 | int buffer_length = strlen(control_buffer); |
| 593 | |
| 594 | new_node->version = search_name_hashtable("unknown"); |
| 595 | while (field_start < buffer_length) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 596 | unsigned field_num; |
Glenn L McGrath | 62d2882 | 2002-11-06 23:35:28 +0000 | [diff] [blame] | 597 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 598 | field_start += read_package_field(&control_buffer[field_start], |
| 599 | &field_name, &field_value); |
| 600 | |
| 601 | if (field_name == NULL) { |
Denis Vlasenko | abee3d0 | 2007-12-26 20:44:45 +0000 | [diff] [blame] | 602 | goto fill_package_struct_cleanup; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 603 | } |
| 604 | |
Denis Vlasenko | 990d0f6 | 2007-07-24 15:54:42 +0000 | [diff] [blame] | 605 | field_num = index_in_strings(field_names, field_name); |
Denis Vlasenko | c16bd21 | 2006-09-27 19:51:06 +0000 | [diff] [blame] | 606 | switch (field_num) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 607 | case 0: /* Package */ |
| 608 | new_node->name = search_name_hashtable(field_value); |
| 609 | break; |
| 610 | case 1: /* Version */ |
| 611 | new_node->version = search_name_hashtable(field_value); |
| 612 | break; |
| 613 | case 2: /* Pre-Depends */ |
| 614 | add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS); |
| 615 | break; |
| 616 | case 3: /* Depends */ |
| 617 | add_split_dependencies(new_node, field_value, EDGE_DEPENDS); |
| 618 | break; |
| 619 | case 4: /* Replaces */ |
| 620 | add_split_dependencies(new_node, field_value, EDGE_REPLACES); |
| 621 | break; |
| 622 | case 5: /* Provides */ |
| 623 | add_split_dependencies(new_node, field_value, EDGE_PROVIDES); |
| 624 | break; |
| 625 | case 6: /* Conflicts */ |
| 626 | add_split_dependencies(new_node, field_value, EDGE_CONFLICTS); |
| 627 | break; |
| 628 | case 7: /* Suggests */ |
| 629 | add_split_dependencies(new_node, field_value, EDGE_SUGGESTS); |
| 630 | break; |
| 631 | case 8: /* Recommends */ |
| 632 | add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS); |
| 633 | break; |
| 634 | case 9: /* Enhances */ |
| 635 | add_split_dependencies(new_node, field_value, EDGE_ENHANCES); |
| 636 | break; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 637 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 638 | fill_package_struct_cleanup: |
Aaron Lehmann | a170e1c | 2002-11-28 11:27:31 +0000 | [diff] [blame] | 639 | free(field_name); |
| 640 | free(field_value); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | if (new_node->version == search_name_hashtable("unknown")) { |
| 644 | free_package(new_node); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 645 | return -1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 646 | } |
| 647 | num = search_package_hashtable(new_node->name, new_node->version, VER_EQUAL); |
Denis Vlasenko | 88a2aa9 | 2007-03-19 21:48:56 +0000 | [diff] [blame] | 648 | free_package(package_hashtable[num]); |
Bernhard Reutner-Fischer | de8a6a0 | 2007-03-19 13:44:18 +0000 | [diff] [blame] | 649 | package_hashtable[num] = new_node; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 650 | return num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | /* if num = 1, it returns the want status, 2 returns flag, 3 returns status */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 654 | static unsigned get_status(const unsigned status_node, const int num) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 655 | { |
| 656 | char *status_string = name_hashtable[status_hashtable[status_node]->status]; |
| 657 | char *state_sub_string; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 658 | unsigned state_sub_num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 659 | int len; |
| 660 | int i; |
| 661 | |
| 662 | /* set tmp_string to point to the start of the word number */ |
| 663 | for (i = 1; i < num; i++) { |
| 664 | /* skip past a word */ |
| 665 | status_string += strcspn(status_string, " "); |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 666 | /* skip past the separating spaces */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 667 | status_string += strspn(status_string, " "); |
| 668 | } |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 669 | len = strcspn(status_string, " \n"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 670 | state_sub_string = xstrndup(status_string, len); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 671 | state_sub_num = search_name_hashtable(state_sub_string); |
| 672 | free(state_sub_string); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 673 | return state_sub_num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 674 | } |
| 675 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 676 | static void set_status(const unsigned status_node_num, const char *new_value, const int position) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 677 | { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 678 | const unsigned new_value_len = strlen(new_value); |
| 679 | const unsigned new_value_num = search_name_hashtable(new_value); |
| 680 | unsigned want = get_status(status_node_num, 1); |
| 681 | unsigned flag = get_status(status_node_num, 2); |
| 682 | unsigned status = get_status(status_node_num, 3); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 683 | int want_len = strlen(name_hashtable[want]); |
| 684 | int flag_len = strlen(name_hashtable[flag]); |
| 685 | int status_len = strlen(name_hashtable[status]); |
| 686 | char *new_status; |
| 687 | |
| 688 | switch (position) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 689 | case 1: |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 690 | want = new_value_num; |
| 691 | want_len = new_value_len; |
| 692 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 693 | case 2: |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 694 | flag = new_value_num; |
| 695 | flag_len = new_value_len; |
| 696 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 697 | case 3: |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 698 | status = new_value_num; |
| 699 | status_len = new_value_len; |
| 700 | break; |
| 701 | default: |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 702 | bb_error_msg_and_die("DEBUG ONLY: this shouldnt happen"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 703 | } |
| 704 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 705 | new_status = xasprintf("%s %s %s", name_hashtable[want], name_hashtable[flag], name_hashtable[status]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 706 | status_hashtable[status_node_num]->status = search_name_hashtable(new_status); |
| 707 | free(new_status); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 708 | } |
| 709 | |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 710 | static const char *describe_status(int status_num) |
| 711 | { |
Denis Vlasenko | b71c668 | 2007-07-21 15:08:09 +0000 | [diff] [blame] | 712 | int status_want, status_state; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 713 | if (status_hashtable[status_num] == NULL || status_hashtable[status_num]->status == 0) |
Denis Vlasenko | 15611bb | 2007-06-12 08:52:02 +0000 | [diff] [blame] | 714 | return "is not installed or flagged to be installed"; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 715 | |
| 716 | status_want = get_status(status_num, 1); |
| 717 | status_state = get_status(status_num, 3); |
| 718 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 719 | if (status_state == search_name_hashtable("installed")) { |
| 720 | if (status_want == search_name_hashtable("install")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 721 | return "is installed"; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 722 | if (status_want == search_name_hashtable("deinstall")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 723 | return "is marked to be removed"; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 724 | if (status_want == search_name_hashtable("purge")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 725 | return "is marked to be purged"; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 726 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 727 | if (status_want == search_name_hashtable("unknown")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 728 | return "is in an indeterminate state"; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 729 | if (status_want == search_name_hashtable("install")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 730 | return "is marked to be installed"; |
| 731 | |
| 732 | return "is not installed or flagged to be installed"; |
| 733 | } |
| 734 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 735 | static void index_status_file(const char *filename) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 736 | { |
| 737 | FILE *status_file; |
| 738 | char *control_buffer; |
| 739 | char *status_line; |
| 740 | status_node_t *status_node = NULL; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 741 | unsigned status_num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 742 | |
Denis Vlasenko | 5415c85 | 2008-07-21 23:05:26 +0000 | [diff] [blame] | 743 | status_file = xfopen_for_read(filename); |
Denis Vlasenko | abee3d0 | 2007-12-26 20:44:45 +0000 | [diff] [blame] | 744 | while ((control_buffer = xmalloc_fgetline_str(status_file, "\n\n")) != NULL) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 745 | const unsigned package_num = fill_package_struct(control_buffer); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 746 | if (package_num != -1) { |
| 747 | status_node = xmalloc(sizeof(status_node_t)); |
| 748 | /* fill_package_struct doesnt handle the status field */ |
| 749 | status_line = strstr(control_buffer, "Status:"); |
| 750 | if (status_line != NULL) { |
| 751 | status_line += 7; |
| 752 | status_line += strspn(status_line, " \n\t"); |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 753 | status_line = xstrndup(status_line, strcspn(status_line, "\n")); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 754 | status_node->status = search_name_hashtable(status_line); |
| 755 | free(status_line); |
| 756 | } |
| 757 | status_node->package = package_num; |
| 758 | status_num = search_status_hashtable(name_hashtable[package_hashtable[status_node->package]->name]); |
| 759 | status_hashtable[status_num] = status_node; |
| 760 | } |
| 761 | free(control_buffer); |
| 762 | } |
| 763 | fclose(status_file); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 764 | } |
| 765 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 766 | static void write_buffer_no_status(FILE *new_status_file, const char *control_buffer) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 767 | { |
| 768 | char *name; |
| 769 | char *value; |
| 770 | int start = 0; |
| 771 | while (1) { |
| 772 | start += read_package_field(&control_buffer[start], &name, &value); |
| 773 | if (name == NULL) { |
| 774 | break; |
| 775 | } |
| 776 | if (strcmp(name, "Status") != 0) { |
| 777 | fprintf(new_status_file, "%s: %s\n", name, value); |
| 778 | } |
| 779 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | /* This could do with a cleanup */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 783 | static void write_status_file(deb_file_t **deb_file) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 784 | { |
Denis Vlasenko | 5415c85 | 2008-07-21 23:05:26 +0000 | [diff] [blame] | 785 | FILE *old_status_file = xfopen_for_read("/var/lib/dpkg/status"); |
| 786 | FILE *new_status_file = xfopen_for_write("/var/lib/dpkg/status.udeb"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 787 | char *package_name; |
| 788 | char *status_from_file; |
| 789 | char *control_buffer = NULL; |
| 790 | char *tmp_string; |
| 791 | int status_num; |
| 792 | int field_start = 0; |
| 793 | int write_flag; |
| 794 | int i = 0; |
| 795 | |
| 796 | /* Update previously known packages */ |
Denis Vlasenko | abee3d0 | 2007-12-26 20:44:45 +0000 | [diff] [blame] | 797 | while ((control_buffer = xmalloc_fgetline_str(old_status_file, "\n\n")) != NULL) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 798 | tmp_string = strstr(control_buffer, "Package:"); |
| 799 | if (tmp_string == NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 800 | continue; |
| 801 | } |
| 802 | |
| 803 | tmp_string += 8; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 804 | tmp_string += strspn(tmp_string, " \n\t"); |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 805 | package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n")); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 806 | write_flag = FALSE; |
| 807 | tmp_string = strstr(control_buffer, "Status:"); |
| 808 | if (tmp_string != NULL) { |
Denys Vlasenko | 5370bfb | 2009-09-06 02:58:59 +0200 | [diff] [blame] | 809 | /* Separate the status value from the control buffer */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 810 | tmp_string += 7; |
| 811 | tmp_string += strspn(tmp_string, " \n\t"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 812 | status_from_file = xstrndup(tmp_string, strcspn(tmp_string, "\n")); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 813 | } else { |
| 814 | status_from_file = NULL; |
| 815 | } |
| 816 | |
| 817 | /* Find this package in the status hashtable */ |
| 818 | status_num = search_status_hashtable(package_name); |
| 819 | if (status_hashtable[status_num] != NULL) { |
| 820 | const char *status_from_hashtable = name_hashtable[status_hashtable[status_num]->status]; |
| 821 | if (strcmp(status_from_file, status_from_hashtable) != 0) { |
| 822 | /* New status isnt exactly the same as old status */ |
| 823 | const int state_status = get_status(status_num, 3); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 824 | if ((strcmp("installed", name_hashtable[state_status]) == 0) |
| 825 | || (strcmp("unpacked", name_hashtable[state_status]) == 0) |
| 826 | ) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 827 | /* We need to add the control file from the package */ |
| 828 | i = 0; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 829 | while (deb_file[i] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 830 | if (strcmp(package_name, name_hashtable[package_hashtable[deb_file[i]->package]->name]) == 0) { |
| 831 | /* Write a status file entry with a modified status */ |
| 832 | /* remove trailing \n's */ |
| 833 | write_buffer_no_status(new_status_file, deb_file[i]->control_file); |
| 834 | set_status(status_num, "ok", 2); |
Denis Vlasenko | a6dbb08 | 2006-10-12 19:29:44 +0000 | [diff] [blame] | 835 | fprintf(new_status_file, "Status: %s\n\n", |
| 836 | name_hashtable[status_hashtable[status_num]->status]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 837 | write_flag = TRUE; |
| 838 | break; |
| 839 | } |
| 840 | i++; |
| 841 | } |
| 842 | /* This is temperary, debugging only */ |
| 843 | if (deb_file[i] == NULL) { |
Denis Vlasenko | a6dbb08 | 2006-10-12 19:29:44 +0000 | [diff] [blame] | 844 | bb_error_msg_and_die("ALERT: cannot find a control file, " |
| 845 | "your status file may be broken, status may be " |
| 846 | "incorrect for %s", package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 847 | } |
| 848 | } |
| 849 | else if (strcmp("not-installed", name_hashtable[state_status]) == 0) { |
| 850 | /* Only write the Package, Status, Priority and Section lines */ |
| 851 | fprintf(new_status_file, "Package: %s\n", package_name); |
| 852 | fprintf(new_status_file, "Status: %s\n", status_from_hashtable); |
| 853 | |
| 854 | while (1) { |
| 855 | char *field_name; |
| 856 | char *field_value; |
| 857 | field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value); |
| 858 | if (field_name == NULL) { |
| 859 | break; |
| 860 | } |
| 861 | if ((strcmp(field_name, "Priority") == 0) || |
| 862 | (strcmp(field_name, "Section") == 0)) { |
| 863 | fprintf(new_status_file, "%s: %s\n", field_name, field_value); |
| 864 | } |
| 865 | } |
| 866 | write_flag = TRUE; |
| 867 | fputs("\n", new_status_file); |
| 868 | } |
| 869 | else if (strcmp("config-files", name_hashtable[state_status]) == 0) { |
| 870 | /* only change the status line */ |
| 871 | while (1) { |
| 872 | char *field_name; |
| 873 | char *field_value; |
| 874 | field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value); |
| 875 | if (field_name == NULL) { |
| 876 | break; |
| 877 | } |
| 878 | /* Setup start point for next field */ |
| 879 | if (strcmp(field_name, "Status") == 0) { |
| 880 | fprintf(new_status_file, "Status: %s\n", status_from_hashtable); |
| 881 | } else { |
| 882 | fprintf(new_status_file, "%s: %s\n", field_name, field_value); |
| 883 | } |
| 884 | } |
| 885 | write_flag = TRUE; |
| 886 | fputs("\n", new_status_file); |
| 887 | } |
| 888 | } |
| 889 | } |
| 890 | /* If the package from the status file wasnt handle above, do it now*/ |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 891 | if (!write_flag) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 892 | fprintf(new_status_file, "%s\n\n", control_buffer); |
| 893 | } |
| 894 | |
Aaron Lehmann | a170e1c | 2002-11-28 11:27:31 +0000 | [diff] [blame] | 895 | free(status_from_file); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 896 | free(package_name); |
| 897 | free(control_buffer); |
| 898 | } |
| 899 | |
| 900 | /* Write any new packages */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 901 | for (i = 0; deb_file[i] != NULL; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 902 | status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[i]->package]->name]); |
| 903 | if (strcmp("reinstreq", name_hashtable[get_status(status_num, 2)]) == 0) { |
| 904 | write_buffer_no_status(new_status_file, deb_file[i]->control_file); |
| 905 | set_status(status_num, "ok", 2); |
| 906 | fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]); |
| 907 | } |
| 908 | } |
| 909 | fclose(old_status_file); |
| 910 | fclose(new_status_file); |
| 911 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 912 | /* Create a separate backfile to dpkg */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 913 | if (rename("/var/lib/dpkg/status", "/var/lib/dpkg/status.udeb.bak") == -1) { |
Denis Vlasenko | b3b0753 | 2008-02-17 14:29:25 +0000 | [diff] [blame] | 914 | if (errno != ENOENT) |
Denys Vlasenko | 6331cf0 | 2009-11-13 09:08:27 +0100 | [diff] [blame] | 915 | bb_error_msg_and_die("can't create backup status file"); |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 916 | /* Its ok if renaming the status file fails because status |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 917 | * file doesnt exist, maybe we are starting from scratch */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 918 | bb_error_msg("no status file found, creating new one"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 919 | } |
| 920 | |
Denis Vlasenko | b3b0753 | 2008-02-17 14:29:25 +0000 | [diff] [blame] | 921 | xrename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 922 | } |
| 923 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 924 | /* This function returns TRUE if the given package can satisfy a |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 925 | * dependency of type depend_type. |
| 926 | * |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 927 | * A pre-depends is satisfied only if a package is already installed, |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 928 | * which a regular depends can be satisfied by a package which we want |
| 929 | * to install. |
| 930 | */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 931 | static int package_satisfies_dependency(int package, int depend_type) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 932 | { |
| 933 | int status_num = search_status_hashtable(name_hashtable[package_hashtable[package]->name]); |
| 934 | |
| 935 | /* status could be unknown if package is a pure virtual |
| 936 | * provides which cannot satisfy any dependency by itself. |
| 937 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 938 | if (status_hashtable[status_num] == NULL) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 939 | return 0; |
| 940 | |
| 941 | switch (depend_type) { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 942 | case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed"); |
| 943 | case EDGE_DEPENDS: return get_status(status_num, 1) == search_name_hashtable("install"); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 944 | } |
| 945 | return 0; |
| 946 | } |
| 947 | |
Denis Vlasenko | 68404f1 | 2008-03-17 09:00:54 +0000 | [diff] [blame] | 948 | static int check_deps(deb_file_t **deb_file, int deb_start /*, int dep_max_count - ?? */) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 949 | { |
| 950 | int *conflicts = NULL; |
| 951 | int conflicts_num = 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 952 | int i = deb_start; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 953 | int j; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 954 | |
| 955 | /* Check for conflicts |
| 956 | * TODO: TEST if conflicts with other packages to be installed |
| 957 | * |
| 958 | * Add install packages and the packages they provide |
| 959 | * to the list of files to check conflicts for |
| 960 | */ |
| 961 | |
| 962 | /* Create array of package numbers to check against |
| 963 | * installed package for conflicts*/ |
| 964 | while (deb_file[i] != NULL) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 965 | const unsigned package_num = deb_file[i]->package; |
Denis Vlasenko | deeed59 | 2008-07-08 05:14:36 +0000 | [diff] [blame] | 966 | conflicts = xrealloc_vector(conflicts, 2, conflicts_num); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 967 | conflicts[conflicts_num] = package_num; |
| 968 | conflicts_num++; |
| 969 | /* add provides to conflicts list */ |
| 970 | for (j = 0; j < package_hashtable[package_num]->num_of_edges; j++) { |
| 971 | if (package_hashtable[package_num]->edge[j]->type == EDGE_PROVIDES) { |
| 972 | const int conflicts_package_num = search_package_hashtable( |
| 973 | package_hashtable[package_num]->edge[j]->name, |
| 974 | package_hashtable[package_num]->edge[j]->version, |
| 975 | package_hashtable[package_num]->edge[j]->operator); |
| 976 | if (package_hashtable[conflicts_package_num] == NULL) { |
| 977 | /* create a new package */ |
Denis Vlasenko | 4cccc03 | 2006-12-22 18:37:07 +0000 | [diff] [blame] | 978 | common_node_t *new_node = xzalloc(sizeof(common_node_t)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 979 | new_node->name = package_hashtable[package_num]->edge[j]->name; |
| 980 | new_node->version = package_hashtable[package_num]->edge[j]->version; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 981 | package_hashtable[conflicts_package_num] = new_node; |
| 982 | } |
Denis Vlasenko | deeed59 | 2008-07-08 05:14:36 +0000 | [diff] [blame] | 983 | conflicts = xrealloc_vector(conflicts, 2, conflicts_num); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 984 | conflicts[conflicts_num] = conflicts_package_num; |
| 985 | conflicts_num++; |
| 986 | } |
| 987 | } |
| 988 | i++; |
| 989 | } |
| 990 | |
| 991 | /* Check conflicts */ |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 992 | i = 0; |
| 993 | while (deb_file[i] != NULL) { |
| 994 | const common_node_t *package_node = package_hashtable[deb_file[i]->package]; |
| 995 | int status_num = 0; |
| 996 | status_num = search_status_hashtable(name_hashtable[package_node->name]); |
| 997 | |
| 998 | if (get_status(status_num, 3) == search_name_hashtable("installed")) { |
| 999 | i++; |
| 1000 | continue; |
| 1001 | } |
| 1002 | |
| 1003 | for (j = 0; j < package_node->num_of_edges; j++) { |
| 1004 | const edge_t *package_edge = package_node->edge[j]; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1005 | |
| 1006 | if (package_edge->type == EDGE_CONFLICTS) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1007 | const unsigned package_num = |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1008 | search_package_hashtable(package_edge->name, |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1009 | package_edge->version, |
| 1010 | package_edge->operator); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1011 | int result = 0; |
| 1012 | if (package_hashtable[package_num] != NULL) { |
| 1013 | status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1014 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1015 | if (get_status(status_num, 1) == search_name_hashtable("install")) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1016 | result = test_version(package_hashtable[deb_file[i]->package]->version, |
| 1017 | package_edge->version, package_edge->operator); |
| 1018 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1019 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1020 | |
| 1021 | if (result) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1022 | bb_error_msg_and_die("package %s conflicts with %s", |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1023 | name_hashtable[package_node->name], |
| 1024 | name_hashtable[package_edge->name]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1025 | } |
| 1026 | } |
| 1027 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1028 | i++; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 1029 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1030 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1031 | |
| 1032 | /* Check dependendcies */ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1033 | for (i = 0; i < PACKAGE_HASH_PRIME; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1034 | int status_num = 0; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1035 | int number_of_alternatives = 0; |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1036 | const edge_t * root_of_alternatives = NULL; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1037 | const common_node_t *package_node = package_hashtable[i]; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1038 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1039 | /* If the package node does not exist then this |
| 1040 | * package is a virtual one. In which case there are |
| 1041 | * no dependencies to check. |
| 1042 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1043 | if (package_node == NULL) continue; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1044 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1045 | status_num = search_status_hashtable(name_hashtable[package_node->name]); |
| 1046 | |
| 1047 | /* If there is no status then this package is a |
| 1048 | * virtual one provided by something else. In which |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1049 | * case there are no dependencies to check. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1050 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1051 | if (status_hashtable[status_num] == NULL) continue; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1052 | |
| 1053 | /* If we don't want this package installed then we may |
| 1054 | * as well ignore it's dependencies. |
| 1055 | */ |
| 1056 | if (get_status(status_num, 1) != search_name_hashtable("install")) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1057 | continue; |
| 1058 | } |
| 1059 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1060 | /* This code is tested only for EDGE_DEPENDS, since I |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1061 | * have no suitable pre-depends available. There is no |
| 1062 | * reason that it shouldn't work though :-) |
| 1063 | */ |
| 1064 | for (j = 0; j < package_node->num_of_edges; j++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1065 | const edge_t *package_edge = package_node->edge[j]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1066 | unsigned package_num; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 1067 | |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1068 | if (package_edge->type == EDGE_OR_PRE_DEPENDS |
| 1069 | || package_edge->type == EDGE_OR_DEPENDS |
| 1070 | ) { /* start an EDGE_OR_ list */ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1071 | number_of_alternatives = package_edge->version; |
| 1072 | root_of_alternatives = package_edge; |
| 1073 | continue; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1074 | } |
| 1075 | if (number_of_alternatives == 0) { /* not in the middle of an EDGE_OR_ list */ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1076 | number_of_alternatives = 1; |
| 1077 | root_of_alternatives = NULL; |
| 1078 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1079 | |
Glenn L McGrath | 1dbbd2f | 2001-12-05 04:10:14 +0000 | [diff] [blame] | 1080 | package_num = search_package_hashtable(package_edge->name, package_edge->version, package_edge->operator); |
Glenn L McGrath | 1dbbd2f | 2001-12-05 04:10:14 +0000 | [diff] [blame] | 1081 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1082 | if (package_edge->type == EDGE_PRE_DEPENDS || |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1083 | package_edge->type == EDGE_DEPENDS) { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1084 | int result=1; |
| 1085 | status_num = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1086 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1087 | /* If we are inside an alternative then check |
| 1088 | * this edge is the right type. |
| 1089 | * |
| 1090 | * EDGE_DEPENDS == OR_DEPENDS -1 |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1091 | * EDGE_PRE_DEPENDS == OR_PRE_DEPENDS -1 |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1092 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1093 | if (root_of_alternatives && package_edge->type != root_of_alternatives->type - 1) |
| 1094 | bb_error_msg_and_die("fatal error, package dependencies corrupt: %d != %d - 1", |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1095 | package_edge->type, root_of_alternatives->type); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1096 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1097 | if (package_hashtable[package_num] != NULL) |
| 1098 | result = !package_satisfies_dependency(package_num, package_edge->type); |
| 1099 | |
| 1100 | if (result) { /* check for other package which provide what we are looking for */ |
| 1101 | int provider = -1; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1102 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1103 | while ((provider = search_for_provides(package_edge->name, provider)) > -1) { |
| 1104 | if (package_hashtable[provider] == NULL) { |
| 1105 | puts("Have a provider but no package information for it"); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1106 | continue; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1107 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1108 | result = !package_satisfies_dependency(provider, package_edge->type); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1109 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1110 | if (result == 0) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1111 | break; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1112 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1113 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1114 | |
| 1115 | /* It must be already installed, or to be installed */ |
| 1116 | number_of_alternatives--; |
| 1117 | if (result && number_of_alternatives == 0) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1118 | if (root_of_alternatives) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1119 | bb_error_msg_and_die( |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1120 | "package %s %sdepends on %s, " |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1121 | "which cannot be satisfied", |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1122 | name_hashtable[package_node->name], |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1123 | package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "", |
| 1124 | name_hashtable[root_of_alternatives->name]); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1125 | bb_error_msg_and_die( |
| 1126 | "package %s %sdepends on %s, which %s\n", |
| 1127 | name_hashtable[package_node->name], |
| 1128 | package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "", |
| 1129 | name_hashtable[package_edge->name], |
| 1130 | describe_status(status_num)); |
| 1131 | } |
| 1132 | if (result == 0 && number_of_alternatives) { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1133 | /* we've found a package which |
| 1134 | * satisfies the dependency, |
| 1135 | * so skip over the rest of |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1136 | * the alternatives. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1137 | */ |
| 1138 | j += number_of_alternatives; |
| 1139 | number_of_alternatives = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1140 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1141 | } |
| 1142 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1143 | } |
| 1144 | free(conflicts); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1145 | return TRUE; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1148 | static char **create_list(const char *filename) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1149 | { |
| 1150 | FILE *list_stream; |
Denis Vlasenko | 2027313 | 2008-06-21 22:10:52 +0000 | [diff] [blame] | 1151 | char **file_list; |
| 1152 | char *line; |
| 1153 | int count; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1154 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1155 | /* don't use [xw]fopen here, handle error ourself */ |
Denis Vlasenko | 5415c85 | 2008-07-21 23:05:26 +0000 | [diff] [blame] | 1156 | list_stream = fopen_for_read(filename); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1157 | if (list_stream == NULL) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1158 | return NULL; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1159 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1160 | |
Denis Vlasenko | 2027313 | 2008-06-21 22:10:52 +0000 | [diff] [blame] | 1161 | file_list = NULL; |
| 1162 | count = 0; |
Denis Vlasenko | 8ee649a | 2008-03-26 20:04:27 +0000 | [diff] [blame] | 1163 | while ((line = xmalloc_fgetline(list_stream)) != NULL) { |
Denis Vlasenko | deeed59 | 2008-07-08 05:14:36 +0000 | [diff] [blame] | 1164 | file_list = xrealloc_vector(file_list, 2, count); |
Denis Vlasenko | 2027313 | 2008-06-21 22:10:52 +0000 | [diff] [blame] | 1165 | file_list[count++] = line; |
Denis Vlasenko | 2784228 | 2008-08-04 13:20:36 +0000 | [diff] [blame] | 1166 | /*file_list[count] = NULL; - xrealloc_vector did it */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1167 | } |
| 1168 | fclose(list_stream); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1169 | |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1170 | return file_list; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1171 | } |
| 1172 | |
| 1173 | /* maybe i should try and hook this into remove_file.c somehow */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1174 | static int remove_file_array(char **remove_names, char **exclude_names) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1175 | { |
| 1176 | struct stat path_stat; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1177 | int remove_flag = 1; /* not removed anything yet */ |
| 1178 | int i, j; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1179 | |
| 1180 | if (remove_names == NULL) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1181 | return 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1182 | } |
| 1183 | for (i = 0; remove_names[i] != NULL; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1184 | if (exclude_names != NULL) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1185 | for (j = 0; exclude_names[j] != NULL; j++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1186 | if (strcmp(remove_names[i], exclude_names[j]) == 0) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1187 | goto skip; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1188 | } |
| 1189 | } |
| 1190 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1191 | /* TODO: why we are checking lstat? we can just try rm/rmdir */ |
| 1192 | if (lstat(remove_names[i], &path_stat) < 0) { |
| 1193 | continue; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1194 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1195 | if (S_ISDIR(path_stat.st_mode)) { |
| 1196 | remove_flag &= rmdir(remove_names[i]); /* 0 if no error */ |
| 1197 | } else { |
| 1198 | remove_flag &= unlink(remove_names[i]); /* 0 if no error */ |
| 1199 | } |
| 1200 | skip: |
| 1201 | continue; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1202 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1203 | return (remove_flag == 0); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1204 | } |
| 1205 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1206 | static void run_package_script_or_die(const char *package_name, const char *script_type) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1207 | { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1208 | char *script_path; |
| 1209 | int result; |
| 1210 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1211 | script_path = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, script_type); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1212 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1213 | /* If the file doesnt exist is isnt fatal */ |
| 1214 | result = access(script_path, F_OK) ? EXIT_SUCCESS : system(script_path); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1215 | free(script_path); |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1216 | if (result) |
| 1217 | bb_error_msg_and_die("%s failed, exit code %d", script_type, result); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1218 | } |
| 1219 | |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1220 | /* |
| 1221 | The policy manual defines what scripts get called when and with |
| 1222 | what arguments. I realize that busybox does not support all of |
| 1223 | these scenarios, but it does support some of them; it does not, |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1224 | however, run them with any parameters in run_package_script_or_die(). |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1225 | Here are the scripts: |
| 1226 | |
| 1227 | preinst install |
| 1228 | preinst install <old_version> |
| 1229 | preinst upgrade <old_version> |
| 1230 | preinst abort_upgrade <new_version> |
| 1231 | postinst configure <most_recent_version> |
| 1232 | postinst abort-upgade <new_version> |
| 1233 | postinst abort-remove |
| 1234 | postinst abort-remove in-favour <package> <version> |
| 1235 | postinst abort-deconfigure in-favor <failed_install_package> removing <conflicting_package> <version> |
| 1236 | prerm remove |
| 1237 | prerm upgrade <new_version> |
| 1238 | prerm failed-upgrade <old_version> |
| 1239 | prerm remove in-favor <package> <new_version> |
| 1240 | prerm deconfigure in-favour <package> <version> removing <package> <version> |
| 1241 | postrm remove |
| 1242 | postrm purge |
| 1243 | postrm upgrade <new_version> |
| 1244 | postrm failed-upgrade <old_version> |
| 1245 | postrm abort-install |
| 1246 | postrm abort-install <old_version> |
| 1247 | postrm abort-upgrade <old_version> |
| 1248 | postrm disappear <overwriter> <version> |
| 1249 | */ |
Denis Vlasenko | 6ca409e | 2007-08-12 20:58:27 +0000 | [diff] [blame] | 1250 | static const char *const all_control_files[] = { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1251 | "preinst", "postinst", "prerm", "postrm", |
| 1252 | "list", "md5sums", "shlibs", "conffiles", |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1253 | "config", "templates" |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1254 | }; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1255 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1256 | static char **all_control_list(const char *package_name) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1257 | { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1258 | unsigned i = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1259 | char **remove_files; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1260 | |
| 1261 | /* Create a list of all /var/lib/dpkg/info/<package> files */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1262 | remove_files = xzalloc(sizeof(all_control_files) + sizeof(char*)); |
| 1263 | while (i < ARRAY_SIZE(all_control_files)) { |
| 1264 | remove_files[i] = xasprintf("/var/lib/dpkg/info/%s.%s", |
| 1265 | package_name, all_control_files[i]); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1266 | i++; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1267 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1268 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1269 | return remove_files; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1270 | } |
| 1271 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1272 | static void free_array(char **array) |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1273 | { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1274 | if (array) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1275 | unsigned i = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1276 | while (array[i]) { |
| 1277 | free(array[i]); |
| 1278 | i++; |
| 1279 | } |
| 1280 | free(array); |
| 1281 | } |
| 1282 | } |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1283 | |
| 1284 | /* This function lists information on the installed packages. It loops through |
| 1285 | * the status_hashtable to retrieve the info. This results in smaller code than |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1286 | * scanning the status file. The resulting list, however, is unsorted. |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1287 | */ |
Bernhard Reutner-Fischer | 97516fc | 2008-09-25 12:18:49 +0000 | [diff] [blame] | 1288 | static void list_packages(const char *pattern) |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1289 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 1290 | int i; |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1291 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1292 | puts(" Name Version"); |
| 1293 | puts("+++-==============-=============="); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1294 | |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1295 | /* go through status hash, dereference package hash and finally strings */ |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1296 | for (i = 0; i < STATUS_HASH_PRIME+1; i++) { |
Denis Vlasenko | 9213a9e | 2006-09-17 16:28:10 +0000 | [diff] [blame] | 1297 | if (status_hashtable[i]) { |
| 1298 | const char *stat_str; /* status string */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1299 | const char *name_str; /* package name */ |
| 1300 | const char *vers_str; /* version */ |
| 1301 | char s1, s2; /* status abbreviations */ |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1302 | int spccnt; /* space count */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1303 | int j; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1304 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1305 | stat_str = name_hashtable[status_hashtable[i]->status]; |
| 1306 | name_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->name]; |
| 1307 | vers_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->version]; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1308 | |
Bernhard Reutner-Fischer | 97516fc | 2008-09-25 12:18:49 +0000 | [diff] [blame] | 1309 | if (pattern && fnmatch(pattern, name_str, 0)) |
| 1310 | continue; |
| 1311 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1312 | /* get abbreviation for status field 1 */ |
| 1313 | s1 = stat_str[0] == 'i' ? 'i' : 'r'; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1314 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1315 | /* get abbreviation for status field 2 */ |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1316 | for (j = 0, spccnt = 0; stat_str[j] && spccnt < 2; j++) { |
Denis Vlasenko | 9213a9e | 2006-09-17 16:28:10 +0000 | [diff] [blame] | 1317 | if (stat_str[j] == ' ') spccnt++; |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1318 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1319 | s2 = stat_str[j]; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1320 | |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1321 | /* print out the line formatted like Debian dpkg */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1322 | printf("%c%c %-14s %s\n", s1, s2, name_str, vers_str); |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1323 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1324 | } |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1325 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1326 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1327 | static void remove_package(const unsigned package_num, int noisy) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1328 | { |
| 1329 | const char *package_name = name_hashtable[package_hashtable[package_num]->name]; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1330 | const char *package_version = name_hashtable[package_hashtable[package_num]->version]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1331 | const unsigned status_num = search_status_hashtable(package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1332 | const int package_name_length = strlen(package_name); |
| 1333 | char **remove_files; |
| 1334 | char **exclude_files; |
| 1335 | char list_name[package_name_length + 25]; |
| 1336 | char conffile_name[package_name_length + 30]; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1337 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1338 | if (noisy) |
| 1339 | printf("Removing %s (%s)...\n", package_name, package_version); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1340 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1341 | /* Run prerm script */ |
| 1342 | run_package_script_or_die(package_name, "prerm"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1343 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1344 | /* Create a list of files to remove, and a separate list of those to keep */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1345 | sprintf(list_name, "/var/lib/dpkg/info/%s.%s", package_name, "list"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1346 | remove_files = create_list(list_name); |
| 1347 | |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1348 | sprintf(conffile_name, "/var/lib/dpkg/info/%s.%s", package_name, "conffiles"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1349 | exclude_files = create_list(conffile_name); |
| 1350 | |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 1351 | /* Some directories can't be removed straight away, so do multiple passes */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1352 | while (remove_file_array(remove_files, exclude_files)) |
| 1353 | continue; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1354 | free_array(exclude_files); |
| 1355 | free_array(remove_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1356 | |
Denys Vlasenko | d1090c9 | 2009-07-25 11:52:32 +0200 | [diff] [blame] | 1357 | /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */ |
| 1358 | exclude_files = xzalloc(sizeof(exclude_files[0]) * 3); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1359 | exclude_files[0] = xstrdup(conffile_name); |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1360 | exclude_files[1] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "postrm"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1361 | |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1362 | /* Create a list of all /var/lib/dpkg/info/<package> files */ |
| 1363 | remove_files = all_control_list(package_name); |
| 1364 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1365 | remove_file_array(remove_files, exclude_files); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1366 | free_array(remove_files); |
| 1367 | free_array(exclude_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1368 | |
Bernhard Reutner-Fischer | f0d6068 | 2008-06-05 12:18:42 +0000 | [diff] [blame] | 1369 | /* rename <package>.conffiles to <package>.list |
| 1370 | * The conffiles control file isn't required in Debian packages, so don't |
| 1371 | * error out if it's missing. */ |
| 1372 | rename(conffile_name, list_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1373 | |
| 1374 | /* Change package status */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1375 | set_status(status_num, "config-files", 3); |
| 1376 | } |
| 1377 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1378 | static void purge_package(const unsigned package_num) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1379 | { |
| 1380 | const char *package_name = name_hashtable[package_hashtable[package_num]->name]; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1381 | const char *package_version = name_hashtable[package_hashtable[package_num]->version]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1382 | const unsigned status_num = search_status_hashtable(package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1383 | char **remove_files; |
| 1384 | char **exclude_files; |
| 1385 | char list_name[strlen(package_name) + 25]; |
| 1386 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1387 | printf("Purging %s (%s)...\n", package_name, package_version); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1388 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1389 | /* Run prerm script */ |
| 1390 | run_package_script_or_die(package_name, "prerm"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1391 | |
| 1392 | /* Create a list of files to remove */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1393 | sprintf(list_name, "/var/lib/dpkg/info/%s.%s", package_name, "list"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1394 | remove_files = create_list(list_name); |
| 1395 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1396 | /* Some directories cant be removed straight away, so do multiple passes */ |
Denys Vlasenko | d1090c9 | 2009-07-25 11:52:32 +0200 | [diff] [blame] | 1397 | while (remove_file_array(remove_files, NULL)) |
| 1398 | continue; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1399 | free_array(remove_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1400 | |
| 1401 | /* Create a list of all /var/lib/dpkg/info/<package> files */ |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1402 | remove_files = all_control_list(package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1403 | |
Denys Vlasenko | d1090c9 | 2009-07-25 11:52:32 +0200 | [diff] [blame] | 1404 | /* Delete all of them except the postrm script */ |
| 1405 | exclude_files = xzalloc(sizeof(exclude_files[0]) * 2); |
| 1406 | exclude_files[0] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "postrm"); |
| 1407 | remove_file_array(remove_files, exclude_files); |
| 1408 | free_array(exclude_files); |
| 1409 | |
| 1410 | /* Run and remove postrm script */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1411 | run_package_script_or_die(package_name, "postrm"); |
Denys Vlasenko | d1090c9 | 2009-07-25 11:52:32 +0200 | [diff] [blame] | 1412 | remove_file_array(remove_files, NULL); |
| 1413 | |
| 1414 | free_array(remove_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1415 | |
| 1416 | /* Change package status */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1417 | set_status(status_num, "not-installed", 3); |
| 1418 | } |
| 1419 | |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1420 | static archive_handle_t *init_archive_deb_ar(const char *filename) |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1421 | { |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1422 | archive_handle_t *ar_handle; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1423 | |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1424 | /* Setup an ar archive handle that refers to the gzip sub archive */ |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1425 | ar_handle = init_handle(); |
| 1426 | ar_handle->filter = filter_accept_list_reassign; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1427 | ar_handle->src_fd = xopen(filename, O_RDONLY); |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1428 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1429 | return ar_handle; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1430 | } |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1431 | |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1432 | static void init_archive_deb_control(archive_handle_t *ar_handle) |
| 1433 | { |
| 1434 | archive_handle_t *tar_handle; |
| 1435 | |
| 1436 | /* Setup the tar archive handle */ |
| 1437 | tar_handle = init_handle(); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1438 | tar_handle->src_fd = ar_handle->src_fd; |
| 1439 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1440 | /* We don't care about data.tar.* or debian-binary, just control.tar.* */ |
Denis Vlasenko | e9ad84d | 2008-08-05 13:10:34 +0000 | [diff] [blame] | 1441 | #if ENABLE_FEATURE_SEAMLESS_GZ |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1442 | llist_add_to(&(ar_handle->accept), (char*)"control.tar.gz"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1443 | #endif |
Denis Vlasenko | e9ad84d | 2008-08-05 13:10:34 +0000 | [diff] [blame] | 1444 | #if ENABLE_FEATURE_SEAMLESS_BZ2 |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1445 | llist_add_to(&(ar_handle->accept), (char*)"control.tar.bz2"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1446 | #endif |
| 1447 | |
| 1448 | /* Assign the tar handle as a subarchive of the ar handle */ |
| 1449 | ar_handle->sub_archive = tar_handle; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1450 | } |
| 1451 | |
| 1452 | static void init_archive_deb_data(archive_handle_t *ar_handle) |
| 1453 | { |
| 1454 | archive_handle_t *tar_handle; |
| 1455 | |
| 1456 | /* Setup the tar archive handle */ |
| 1457 | tar_handle = init_handle(); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1458 | tar_handle->src_fd = ar_handle->src_fd; |
| 1459 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1460 | /* We don't care about control.tar.* or debian-binary, just data.tar.* */ |
Denis Vlasenko | e9ad84d | 2008-08-05 13:10:34 +0000 | [diff] [blame] | 1461 | #if ENABLE_FEATURE_SEAMLESS_GZ |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1462 | llist_add_to(&(ar_handle->accept), (char*)"data.tar.gz"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1463 | #endif |
Denis Vlasenko | e9ad84d | 2008-08-05 13:10:34 +0000 | [diff] [blame] | 1464 | #if ENABLE_FEATURE_SEAMLESS_BZ2 |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1465 | llist_add_to(&(ar_handle->accept), (char*)"data.tar.bz2"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1466 | #endif |
| 1467 | |
| 1468 | /* Assign the tar handle as a subarchive of the ar handle */ |
| 1469 | ar_handle->sub_archive = tar_handle; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1470 | } |
| 1471 | |
Eric Andersen | 1393a39 | 2003-09-15 08:06:15 +0000 | [diff] [blame] | 1472 | static char *deb_extract_control_file_to_buffer(archive_handle_t *ar_handle, llist_t *myaccept) |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1473 | { |
| 1474 | ar_handle->sub_archive->action_data = data_extract_to_buffer; |
Eric Andersen | 1393a39 | 2003-09-15 08:06:15 +0000 | [diff] [blame] | 1475 | ar_handle->sub_archive->accept = myaccept; |
Paul Fox | 37dd624 | 2005-07-22 13:17:41 +0000 | [diff] [blame] | 1476 | ar_handle->sub_archive->filter = filter_accept_list; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1477 | |
| 1478 | unpack_ar_archive(ar_handle); |
| 1479 | close(ar_handle->src_fd); |
| 1480 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1481 | return ar_handle->sub_archive->buffer; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1482 | } |
| 1483 | |
Denis Vlasenko | defc1ea | 2008-06-27 02:52:20 +0000 | [diff] [blame] | 1484 | static void FAST_FUNC data_extract_all_prefix(archive_handle_t *archive_handle) |
Glenn L McGrath | 6ab32eb | 2002-11-03 11:57:10 +0000 | [diff] [blame] | 1485 | { |
| 1486 | char *name_ptr = archive_handle->file_header->name; |
| 1487 | |
| 1488 | name_ptr += strspn(name_ptr, "./"); |
| 1489 | if (name_ptr[0] != '\0') { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1490 | archive_handle->file_header->name = xasprintf("%s%s", archive_handle->buffer, name_ptr); |
Glenn L McGrath | 6ab32eb | 2002-11-03 11:57:10 +0000 | [diff] [blame] | 1491 | data_extract_all(archive_handle); |
| 1492 | } |
Glenn L McGrath | 6ab32eb | 2002-11-03 11:57:10 +0000 | [diff] [blame] | 1493 | } |
| 1494 | |
| 1495 | static void unpack_package(deb_file_t *deb_file) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1496 | { |
| 1497 | const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1498 | const unsigned status_num = search_status_hashtable(package_name); |
| 1499 | const unsigned status_package_num = status_hashtable[status_num]->package; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1500 | char *info_prefix; |
Denis Vlasenko | 1da6a21 | 2006-09-03 16:33:58 +0000 | [diff] [blame] | 1501 | char *list_filename; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1502 | archive_handle_t *archive_handle; |
| 1503 | FILE *out_stream; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1504 | llist_t *accept_list; |
| 1505 | int i; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1506 | |
| 1507 | /* If existing version, remove it first */ |
| 1508 | if (strcmp(name_hashtable[get_status(status_num, 3)], "installed") == 0) { |
| 1509 | /* Package is already installed, remove old version first */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1510 | printf("Preparing to replace %s %s (using %s)...\n", package_name, |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1511 | name_hashtable[package_hashtable[status_package_num]->version], |
| 1512 | deb_file->filename); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1513 | remove_package(status_package_num, 0); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1514 | } else { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1515 | printf("Unpacking %s (from %s)...\n", package_name, deb_file->filename); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1516 | } |
| 1517 | |
| 1518 | /* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1519 | info_prefix = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, ""); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1520 | archive_handle = init_archive_deb_ar(deb_file->filename); |
| 1521 | init_archive_deb_control(archive_handle); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1522 | |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1523 | accept_list = NULL; |
| 1524 | i = 0; |
| 1525 | while (i < ARRAY_SIZE(all_control_files)) { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1526 | char *c = xasprintf("./%s", all_control_files[i]); |
Rob Landley | 8bb5078 | 2006-05-26 23:44:51 +0000 | [diff] [blame] | 1527 | llist_add_to(&accept_list, c); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1528 | i++; |
| 1529 | } |
| 1530 | archive_handle->sub_archive->accept = accept_list; |
| 1531 | archive_handle->sub_archive->filter = filter_accept_list; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1532 | archive_handle->sub_archive->action_data = data_extract_all_prefix; |
| 1533 | archive_handle->sub_archive->buffer = info_prefix; |
Denys Vlasenko | d57d626 | 2009-09-17 02:43:14 +0200 | [diff] [blame] | 1534 | archive_handle->sub_archive->ah_flags |= ARCHIVE_UNLINK_OLD; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1535 | unpack_ar_archive(archive_handle); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1536 | |
| 1537 | /* Run the preinst prior to extracting */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1538 | run_package_script_or_die(package_name, "preinst"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1539 | |
| 1540 | /* Extract data.tar.gz to the root directory */ |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1541 | archive_handle = init_archive_deb_ar(deb_file->filename); |
| 1542 | init_archive_deb_data(archive_handle); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1543 | archive_handle->sub_archive->action_data = data_extract_all_prefix; |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1544 | archive_handle->sub_archive->buffer = (char*)"/"; /* huh? */ |
Denys Vlasenko | d57d626 | 2009-09-17 02:43:14 +0200 | [diff] [blame] | 1545 | archive_handle->sub_archive->ah_flags |= ARCHIVE_UNLINK_OLD; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1546 | unpack_ar_archive(archive_handle); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1547 | |
| 1548 | /* Create the list file */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1549 | list_filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "list"); |
Denis Vlasenko | 5415c85 | 2008-07-21 23:05:26 +0000 | [diff] [blame] | 1550 | out_stream = xfopen_for_write(list_filename); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1551 | while (archive_handle->sub_archive->passed) { |
| 1552 | /* the leading . has been stripped by data_extract_all_prefix already */ |
| 1553 | fputs(archive_handle->sub_archive->passed->data, out_stream); |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1554 | fputc('\n', out_stream); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1555 | archive_handle->sub_archive->passed = archive_handle->sub_archive->passed->link; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1556 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1557 | fclose(out_stream); |
| 1558 | |
| 1559 | /* change status */ |
| 1560 | set_status(status_num, "install", 1); |
| 1561 | set_status(status_num, "unpacked", 3); |
| 1562 | |
| 1563 | free(info_prefix); |
Denis Vlasenko | 1da6a21 | 2006-09-03 16:33:58 +0000 | [diff] [blame] | 1564 | free(list_filename); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1565 | } |
| 1566 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1567 | static void configure_package(deb_file_t *deb_file) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1568 | { |
| 1569 | const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name]; |
| 1570 | const char *package_version = name_hashtable[package_hashtable[deb_file->package]->version]; |
| 1571 | const int status_num = search_status_hashtable(package_name); |
| 1572 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1573 | printf("Setting up %s (%s)...\n", package_name, package_version); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1574 | |
| 1575 | /* Run the postinst script */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1576 | /* TODO: handle failure gracefully */ |
| 1577 | run_package_script_or_die(package_name, "postinst"); |
| 1578 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1579 | /* Change status to reflect success */ |
| 1580 | set_status(status_num, "install", 1); |
| 1581 | set_status(status_num, "installed", 3); |
| 1582 | } |
Glenn L McGrath | c900575 | 2001-02-10 02:05:24 +0000 | [diff] [blame] | 1583 | |
Denis Vlasenko | 9b49a5e | 2007-10-11 10:05:36 +0000 | [diff] [blame] | 1584 | int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
Denis Vlasenko | a60f84e | 2008-07-05 09:18:54 +0000 | [diff] [blame] | 1585 | int dpkg_main(int argc UNUSED_PARAM, char **argv) |
Glenn L McGrath | c900575 | 2001-02-10 02:05:24 +0000 | [diff] [blame] | 1586 | { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1587 | deb_file_t **deb_file = NULL; |
| 1588 | status_node_t *status_node; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1589 | char *str_f; |
Matt Kraai | efd7f03 | 2001-11-19 21:07:15 +0000 | [diff] [blame] | 1590 | int opt; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1591 | int package_num; |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1592 | int deb_count = 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1593 | int state_status; |
| 1594 | int status_num; |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1595 | int i; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1596 | enum { |
| 1597 | OPT_configure = 0x1, |
| 1598 | OPT_force_ignore_depends = 0x2, |
| 1599 | OPT_install = 0x4, |
| 1600 | OPT_list_installed = 0x8, |
| 1601 | OPT_purge = 0x10, |
| 1602 | OPT_remove = 0x20, |
| 1603 | OPT_unpack = 0x40, |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1604 | }; |
| 1605 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame] | 1606 | INIT_G(); |
| 1607 | |
Denis Vlasenko | fe7cd64 | 2007-08-18 15:32:12 +0000 | [diff] [blame] | 1608 | opt = getopt32(argv, "CF:ilPru", &str_f); |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1609 | //if (opt & OPT_configure) ... // -C |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1610 | if (opt & OPT_force_ignore_depends) { // -F (--force in official dpkg) |
| 1611 | if (strcmp(str_f, "depends")) |
| 1612 | opt &= ~OPT_force_ignore_depends; |
| 1613 | } |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1614 | //if (opt & OPT_install) ... // -i |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1615 | //if (opt & OPT_list_installed) ... // -l |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1616 | //if (opt & OPT_purge) ... // -P |
| 1617 | //if (opt & OPT_remove) ... // -r |
| 1618 | //if (opt & OPT_unpack) ... // -u (--unpack in official dpkg) |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1619 | argv += optind; |
| 1620 | /* check for non-option argument if expected */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1621 | if (!opt || (!argv[0] && !(opt && OPT_list_installed))) |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1622 | bb_show_usage(); |
Glenn L McGrath | 0e757a2 | 2001-04-08 05:27:18 +0000 | [diff] [blame] | 1623 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1624 | /* puts("(Reading database ... xxxxx files and directories installed.)"); */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1625 | index_status_file("/var/lib/dpkg/status"); |
| 1626 | |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1627 | /* if the list action was given print the installed packages and exit */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1628 | if (opt & OPT_list_installed) { |
Bernhard Reutner-Fischer | 97516fc | 2008-09-25 12:18:49 +0000 | [diff] [blame] | 1629 | list_packages(argv[0]); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1630 | return EXIT_SUCCESS; |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1631 | } |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1632 | |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1633 | /* Read arguments and store relevant info in structs */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1634 | while (*argv) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1635 | /* deb_count = nb_elem - 1 and we need nb_elem + 1 to allocate terminal node [NULL pointer] */ |
Denis Vlasenko | deeed59 | 2008-07-08 05:14:36 +0000 | [diff] [blame] | 1636 | deb_file = xrealloc_vector(deb_file, 2, deb_count); |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1637 | deb_file[deb_count] = xzalloc(sizeof(deb_file[0][0])); |
| 1638 | if (opt & (OPT_install | OPT_unpack)) { |
| 1639 | /* -i/-u: require filename */ |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1640 | archive_handle_t *archive_handle; |
Glenn L McGrath | 66125c8 | 2002-12-08 00:54:33 +0000 | [diff] [blame] | 1641 | llist_t *control_list = NULL; |
Glenn L McGrath | d8d1191 | 2002-11-05 13:56:04 +0000 | [diff] [blame] | 1642 | |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1643 | /* Extract the control file */ |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1644 | llist_add_to(&control_list, (char*)"./control"); |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1645 | archive_handle = init_archive_deb_ar(argv[0]); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1646 | init_archive_deb_control(archive_handle); |
| 1647 | deb_file[deb_count]->control_file = deb_extract_control_file_to_buffer(archive_handle, control_list); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1648 | if (deb_file[deb_count]->control_file == NULL) { |
Denys Vlasenko | 6331cf0 | 2009-11-13 09:08:27 +0100 | [diff] [blame] | 1649 | bb_error_msg_and_die("can't extract control file"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1650 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1651 | deb_file[deb_count]->filename = xstrdup(argv[0]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1652 | package_num = fill_package_struct(deb_file[deb_count]->control_file); |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1653 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1654 | if (package_num == -1) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1655 | bb_error_msg("invalid control file in %s", argv[0]); |
| 1656 | argv++; |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1657 | continue; |
| 1658 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1659 | deb_file[deb_count]->package = (unsigned) package_num; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1660 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1661 | /* Add the package to the status hashtable */ |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1662 | if (opt & (OPT_unpack | OPT_install)) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1663 | /* Try and find a currently installed version of this package */ |
| 1664 | status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]); |
| 1665 | /* If no previous entry was found initialise a new entry */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1666 | if (status_hashtable[status_num] == NULL |
| 1667 | || status_hashtable[status_num]->status == 0 |
| 1668 | ) { |
Denis Vlasenko | b95636c | 2006-12-19 23:36:04 +0000 | [diff] [blame] | 1669 | status_node = xmalloc(sizeof(status_node_t)); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1670 | status_node->package = deb_file[deb_count]->package; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1671 | /* reinstreq isnt changed to "ok" until the package control info |
| 1672 | * is written to the status file*/ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1673 | status_node->status = search_name_hashtable("install reinstreq not-installed"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1674 | status_hashtable[status_num] = status_node; |
| 1675 | } else { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1676 | set_status(status_num, "install", 1); |
| 1677 | set_status(status_num, "reinstreq", 2); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1678 | } |
| 1679 | } |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1680 | } else if (opt & (OPT_configure | OPT_purge | OPT_remove)) { |
| 1681 | /* -C/-p/-r: require package name */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1682 | deb_file[deb_count]->package = search_package_hashtable( |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1683 | search_name_hashtable(argv[0]), |
| 1684 | search_name_hashtable("ANY"), VER_ANY); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1685 | if (package_hashtable[deb_file[deb_count]->package] == NULL) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1686 | bb_error_msg_and_die("package %s is uninstalled or unknown", argv[0]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1687 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1688 | package_num = deb_file[deb_count]->package; |
| 1689 | status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]); |
| 1690 | state_status = get_status(status_num, 3); |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1691 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1692 | /* check package status is "installed" */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1693 | if (opt & OPT_remove) { |
| 1694 | if (strcmp(name_hashtable[state_status], "not-installed") == 0 |
| 1695 | || strcmp(name_hashtable[state_status], "config-files") == 0 |
| 1696 | ) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1697 | bb_error_msg_and_die("%s is already removed", name_hashtable[package_hashtable[package_num]->name]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1698 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1699 | set_status(status_num, "deinstall", 1); |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1700 | } else if (opt & OPT_purge) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1701 | /* if package status is "conf-files" then its ok */ |
| 1702 | if (strcmp(name_hashtable[state_status], "not-installed") == 0) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1703 | bb_error_msg_and_die("%s is already purged", name_hashtable[package_hashtable[package_num]->name]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1704 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1705 | set_status(status_num, "purge", 1); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1706 | } |
| 1707 | } |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1708 | deb_count++; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1709 | argv++; |
Glenn L McGrath | 0e757a2 | 2001-04-08 05:27:18 +0000 | [diff] [blame] | 1710 | } |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1711 | if (!deb_count) |
| 1712 | bb_error_msg_and_die("no package files specified"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1713 | deb_file[deb_count] = NULL; |
Glenn L McGrath | 0e757a2 | 2001-04-08 05:27:18 +0000 | [diff] [blame] | 1714 | |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1715 | /* Check that the deb file arguments are installable */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1716 | if (!(opt & OPT_force_ignore_depends)) { |
Denis Vlasenko | 68404f1 | 2008-03-17 09:00:54 +0000 | [diff] [blame] | 1717 | if (!check_deps(deb_file, 0 /*, deb_count*/)) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1718 | bb_error_msg_and_die("dependency check failed"); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1719 | } |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1720 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1721 | |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1722 | /* TODO: install or remove packages in the correct dependency order */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1723 | for (i = 0; i < deb_count; i++) { |
| 1724 | /* Remove or purge packages */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1725 | if (opt & OPT_remove) { |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1726 | remove_package(deb_file[i]->package, 1); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1727 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1728 | else if (opt & OPT_purge) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1729 | purge_package(deb_file[i]->package); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1730 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1731 | else if (opt & OPT_unpack) { |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1732 | unpack_package(deb_file[i]); |
| 1733 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1734 | else if (opt & OPT_install) { |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1735 | unpack_package(deb_file[i]); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1736 | /* package is configured in second pass below */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1737 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1738 | else if (opt & OPT_configure) { |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1739 | configure_package(deb_file[i]); |
| 1740 | } |
| 1741 | } |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1742 | /* configure installed packages */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1743 | if (opt & OPT_install) { |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1744 | for (i = 0; i < deb_count; i++) |
| 1745 | configure_package(deb_file[i]); |
| 1746 | } |
Glenn L McGrath | c3fbec7 | 2001-07-18 15:47:21 +0000 | [diff] [blame] | 1747 | |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1748 | write_status_file(deb_file); |
| 1749 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1750 | if (ENABLE_FEATURE_CLEAN_UP) { |
| 1751 | for (i = 0; i < deb_count; i++) { |
| 1752 | free(deb_file[i]->control_file); |
| 1753 | free(deb_file[i]->filename); |
| 1754 | free(deb_file[i]); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1755 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1756 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1757 | free(deb_file); |
| 1758 | |
| 1759 | for (i = 0; i < NAME_HASH_PRIME; i++) { |
| 1760 | free(name_hashtable[i]); |
| 1761 | } |
| 1762 | |
| 1763 | for (i = 0; i < PACKAGE_HASH_PRIME; i++) { |
Denis Vlasenko | 88a2aa9 | 2007-03-19 21:48:56 +0000 | [diff] [blame] | 1764 | free_package(package_hashtable[i]); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1765 | } |
| 1766 | |
| 1767 | for (i = 0; i < STATUS_HASH_PRIME; i++) { |
| 1768 | free(status_hashtable[i]); |
| 1769 | } |
| 1770 | |
| 1771 | free(status_hashtable); |
| 1772 | free(package_hashtable); |
| 1773 | free(name_hashtable); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1774 | } |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1775 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1776 | return EXIT_SUCCESS; |
Eric Andersen | 67991cf | 2001-02-14 21:23:06 +0000 | [diff] [blame] | 1777 | } |