"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 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 9 | * started life as a busybox implementation of udpkg |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 10 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 11 | * 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] | 12 | */ |
Glenn L McGrath | 649968c | 2001-02-10 14:26:48 +0000 | [diff] [blame] | 13 | |
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 | * 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] | 16 | * consider important, its worth keeping a note of differences anyway, just to |
| 17 | * make it easier to maintain. |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 18 | * - the first value for the confflile: field isnt placed on a new line. |
| 19 | * - when installing a package the status: field is placed at the end of the |
| 20 | * section, rather than just after the package: field. |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 21 | * |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 22 | * bugs that need to be fixed |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 23 | * - (unknown, please let me know when you find any) |
| 24 | * |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 25 | */ |
| 26 | |
Denis Vlasenko | b6adbf1 | 2007-05-26 19:00:18 +0000 | [diff] [blame] | 27 | #include "libbb.h" |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 28 | #include "unarchive.h" |
Glenn L McGrath | c900575 | 2001-02-10 02:05:24 +0000 | [diff] [blame] | 29 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 30 | /* note: if you vary hash_prime sizes be aware, |
| 31 | * 1) tweaking these will have a big effect on how much memory this program uses. |
| 32 | * 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] | 33 | * larger than the maximum number of elements stored in it. |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 34 | * 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] | 35 | * 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] | 36 | * 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] | 37 | * 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] | 38 | * int's and chaos is assured, 16381 is the max prime for 14 bit field |
| 39 | */ |
| 40 | |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 41 | /* NAME_HASH_PRIME, Stores package names and versions, |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 42 | * I estimate it should be at least 50% bigger than PACKAGE_HASH_PRIME, |
| 43 | * as there a lot of duplicate version numbers */ |
| 44 | #define NAME_HASH_PRIME 16381 |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 45 | |
| 46 | /* PACKAGE_HASH_PRIME, Maximum number of unique packages, |
| 47 | * It must not be smaller than STATUS_HASH_PRIME, |
| 48 | * Currently only packages from status_hashtable are stored in here, but in |
| 49 | * future this may be used to store packages not only from a status file, |
| 50 | * but an available_hashtable, and even multiple packages files. |
| 51 | * Package can be stored more than once if they have different versions. |
| 52 | * e.g. The same package may have different versions in the status file |
| 53 | * and available file */ |
| 54 | #define PACKAGE_HASH_PRIME 10007 |
| 55 | typedef struct edge_s { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 56 | unsigned operator:4; /* was:3 */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 57 | unsigned type:4; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 58 | unsigned name:16; /* was:14 */ |
| 59 | unsigned version:16; /* was:14 */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 60 | } edge_t; |
| 61 | |
| 62 | typedef struct common_node_s { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 63 | unsigned name:16; /* was:14 */ |
| 64 | unsigned version:16; /* was:14 */ |
| 65 | unsigned num_of_edges:16; /* was:14 */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 66 | edge_t **edge; |
| 67 | } common_node_t; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 68 | |
| 69 | /* Currently it doesnt store packages that have state-status of not-installed |
| 70 | * 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] | 71 | * 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] | 72 | #define STATUS_HASH_PRIME 8191 |
| 73 | typedef struct status_node_s { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 74 | unsigned package:16; /* was:14 */ /* has to fit PACKAGE_HASH_PRIME */ |
| 75 | unsigned status:16; /* was:14 */ /* has to fit STATUS_HASH_PRIME */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 76 | } status_node_t; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 77 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 78 | |
| 79 | /* Globals */ |
| 80 | struct globals { |
| 81 | char *name_hashtable[NAME_HASH_PRIME + 1]; |
| 82 | common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1]; |
| 83 | status_node_t *status_hashtable[STATUS_HASH_PRIME + 1]; |
| 84 | }; |
| 85 | #define G (*ptr_to_globals) |
| 86 | #define name_hashtable (G.name_hashtable ) |
| 87 | #define package_hashtable (G.package_hashtable) |
| 88 | #define status_hashtable (G.status_hashtable ) |
| 89 | #define INIT_G() do { \ |
| 90 | SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \ |
| 91 | } while (0) |
| 92 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 93 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 94 | /* Even numbers are for 'extras', like ored dependencies or null */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 95 | enum edge_type_e { |
| 96 | EDGE_NULL = 0, |
| 97 | EDGE_PRE_DEPENDS = 1, |
| 98 | EDGE_OR_PRE_DEPENDS = 2, |
| 99 | EDGE_DEPENDS = 3, |
| 100 | EDGE_OR_DEPENDS = 4, |
| 101 | EDGE_REPLACES = 5, |
| 102 | EDGE_PROVIDES = 7, |
| 103 | EDGE_CONFLICTS = 9, |
| 104 | EDGE_SUGGESTS = 11, |
| 105 | EDGE_RECOMMENDS = 13, |
| 106 | EDGE_ENHANCES = 15 |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 107 | }; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 108 | enum operator_e { |
| 109 | VER_NULL = 0, |
| 110 | VER_EQUAL = 1, |
| 111 | VER_LESS = 2, |
| 112 | VER_LESS_EQUAL = 3, |
| 113 | VER_MORE = 4, |
| 114 | VER_MORE_EQUAL = 5, |
| 115 | VER_ANY = 6 |
| 116 | }; |
| 117 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 118 | typedef struct deb_file_s { |
| 119 | char *control_file; |
| 120 | char *filename; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 121 | unsigned package:16; /* was:14 */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 122 | } deb_file_t; |
| 123 | |
| 124 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 125 | 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] | 126 | { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 127 | unsigned long hash_num = key[0]; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 128 | int len = strlen(key); |
| 129 | int i; |
| 130 | |
| 131 | /* Maybe i should have uses a "proper" hashing algorithm here instead |
| 132 | * of making one up myself, seems to be working ok though. */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 133 | for (i = 1; i < len; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 134 | /* shifts the ascii based value and adds it to previous value |
| 135 | * 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] | 136 | * to be shifted is 8, don't want to shift data to where it has |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 137 | * no effect*/ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 138 | hash_num += (key[i] + key[i-1]) << ((key[i] * i) % 24); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 139 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 140 | *start = (unsigned) hash_num % hash_prime; |
| 141 | *decrement = (unsigned) 1 + (hash_num % (hash_prime - 1)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | /* this adds the key to the hash table */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 145 | static int search_name_hashtable(const char *key) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 146 | { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 147 | unsigned probe_address; |
| 148 | unsigned probe_decrement; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 149 | |
| 150 | make_hash(key, &probe_address, &probe_decrement, NAME_HASH_PRIME); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 151 | while (name_hashtable[probe_address] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 152 | if (strcmp(name_hashtable[probe_address], key) == 0) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 153 | return probe_address; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 154 | } |
| 155 | probe_address -= probe_decrement; |
| 156 | if ((int)probe_address < 0) { |
| 157 | probe_address += NAME_HASH_PRIME; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 158 | } |
| 159 | } |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 160 | name_hashtable[probe_address] = xstrdup(key); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 161 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | /* this DOESNT add the key to the hashtable |
| 165 | * TODO make it consistent with search_name_hashtable |
| 166 | */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 167 | static unsigned search_status_hashtable(const char *key) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 168 | { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 169 | unsigned probe_address; |
| 170 | unsigned probe_decrement; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 171 | |
| 172 | make_hash(key, &probe_address, &probe_decrement, STATUS_HASH_PRIME); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 173 | while (status_hashtable[probe_address] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 174 | if (strcmp(key, name_hashtable[package_hashtable[status_hashtable[probe_address]->package]->name]) == 0) { |
| 175 | break; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 176 | } |
| 177 | probe_address -= probe_decrement; |
| 178 | if ((int)probe_address < 0) { |
| 179 | probe_address += STATUS_HASH_PRIME; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 180 | } |
| 181 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 182 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | /* Need to rethink version comparison, maybe the official dpkg has something i can use ? */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 186 | static int version_compare_part(const char *version1, const char *version2) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 187 | { |
| 188 | int upstream_len1 = 0; |
| 189 | int upstream_len2 = 0; |
| 190 | char *name1_char; |
| 191 | char *name2_char; |
| 192 | int len1 = 0; |
| 193 | int len2 = 0; |
| 194 | int tmp_int; |
| 195 | int ver_num1; |
| 196 | int ver_num2; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 197 | |
| 198 | if (version1 == NULL) { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 199 | version1 = xstrdup(""); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 200 | } |
| 201 | if (version2 == NULL) { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 202 | version2 = xstrdup(""); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 203 | } |
| 204 | upstream_len1 = strlen(version1); |
| 205 | upstream_len2 = strlen(version2); |
| 206 | |
| 207 | while ((len1 < upstream_len1) || (len2 < upstream_len2)) { |
| 208 | /* Compare non-digit section */ |
| 209 | tmp_int = strcspn(&version1[len1], "0123456789"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 210 | name1_char = xstrndup(&version1[len1], tmp_int); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 211 | len1 += tmp_int; |
| 212 | tmp_int = strcspn(&version2[len2], "0123456789"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 213 | name2_char = xstrndup(&version2[len2], tmp_int); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 214 | len2 += tmp_int; |
| 215 | tmp_int = strcmp(name1_char, name2_char); |
| 216 | free(name1_char); |
| 217 | free(name2_char); |
| 218 | if (tmp_int != 0) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 219 | return tmp_int; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | /* Compare digits */ |
| 223 | tmp_int = strspn(&version1[len1], "0123456789"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 224 | name1_char = xstrndup(&version1[len1], tmp_int); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 225 | len1 += tmp_int; |
| 226 | tmp_int = strspn(&version2[len2], "0123456789"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 227 | name2_char = xstrndup(&version2[len2], tmp_int); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 228 | len2 += tmp_int; |
| 229 | ver_num1 = atoi(name1_char); |
| 230 | ver_num2 = atoi(name2_char); |
| 231 | free(name1_char); |
| 232 | free(name2_char); |
| 233 | if (ver_num1 < ver_num2) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 234 | return -1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 235 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 236 | if (ver_num1 > ver_num2) { |
| 237 | return 1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 238 | } |
| 239 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 240 | return 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | /* if ver1 < ver2 return -1, |
| 244 | * if ver1 = ver2 return 0, |
| 245 | * if ver1 > ver2 return 1, |
| 246 | */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 247 | static int version_compare(const unsigned ver1, const unsigned ver2) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 248 | { |
| 249 | char *ch_ver1 = name_hashtable[ver1]; |
| 250 | char *ch_ver2 = name_hashtable[ver2]; |
| 251 | |
| 252 | char epoch1, epoch2; |
| 253 | char *deb_ver1, *deb_ver2; |
| 254 | char *ver1_ptr, *ver2_ptr; |
| 255 | char *upstream_ver1; |
| 256 | char *upstream_ver2; |
| 257 | int result; |
| 258 | |
| 259 | /* Compare epoch */ |
| 260 | if (ch_ver1[1] == ':') { |
| 261 | epoch1 = ch_ver1[0]; |
| 262 | ver1_ptr = strchr(ch_ver1, ':') + 1; |
| 263 | } else { |
| 264 | epoch1 = '0'; |
| 265 | ver1_ptr = ch_ver1; |
| 266 | } |
| 267 | if (ch_ver2[1] == ':') { |
| 268 | epoch2 = ch_ver2[0]; |
| 269 | ver2_ptr = strchr(ch_ver2, ':') + 1; |
| 270 | } else { |
| 271 | epoch2 = '0'; |
| 272 | ver2_ptr = ch_ver2; |
| 273 | } |
| 274 | if (epoch1 < epoch2) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 275 | return -1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 276 | } |
| 277 | else if (epoch1 > epoch2) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 278 | return 1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | /* Compare upstream version */ |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 282 | upstream_ver1 = xstrdup(ver1_ptr); |
| 283 | upstream_ver2 = xstrdup(ver2_ptr); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 284 | |
| 285 | /* Chop off debian version, and store for later use */ |
| 286 | deb_ver1 = strrchr(upstream_ver1, '-'); |
| 287 | deb_ver2 = strrchr(upstream_ver2, '-'); |
| 288 | if (deb_ver1) { |
| 289 | deb_ver1[0] = '\0'; |
| 290 | deb_ver1++; |
| 291 | } |
| 292 | if (deb_ver2) { |
| 293 | deb_ver2[0] = '\0'; |
| 294 | deb_ver2++; |
| 295 | } |
| 296 | result = version_compare_part(upstream_ver1, upstream_ver2); |
Denis Vlasenko | aecabff | 2006-09-30 21:05:25 +0000 | [diff] [blame] | 297 | if (!result) |
| 298 | /* Compare debian versions */ |
| 299 | result = version_compare_part(deb_ver1, deb_ver2); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 300 | |
| 301 | free(upstream_ver1); |
| 302 | free(upstream_ver2); |
Denis Vlasenko | aecabff | 2006-09-30 21:05:25 +0000 | [diff] [blame] | 303 | return result; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 304 | } |
| 305 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 306 | 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] | 307 | { |
| 308 | const int version_result = version_compare(version1, version2); |
Denis Vlasenko | c16bd21 | 2006-09-27 19:51:06 +0000 | [diff] [blame] | 309 | switch (operator) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 310 | case VER_ANY: |
| 311 | return TRUE; |
| 312 | case VER_EQUAL: |
| 313 | return (version_result == 0); |
| 314 | case VER_LESS: |
| 315 | return (version_result < 0); |
| 316 | case VER_LESS_EQUAL: |
| 317 | return (version_result <= 0); |
| 318 | case VER_MORE: |
| 319 | return (version_result > 0); |
| 320 | case VER_MORE_EQUAL: |
| 321 | return (version_result >= 0); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 322 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 323 | return FALSE; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 324 | } |
| 325 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 326 | 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] | 327 | { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 328 | unsigned probe_address; |
| 329 | unsigned probe_decrement; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 330 | |
| 331 | make_hash(name_hashtable[name], &probe_address, &probe_decrement, PACKAGE_HASH_PRIME); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 332 | while (package_hashtable[probe_address] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 333 | if (package_hashtable[probe_address]->name == name) { |
| 334 | if (operator == VER_ANY) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 335 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 336 | } |
| 337 | if (test_version(package_hashtable[probe_address]->version, version, operator)) { |
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 | probe_address -= probe_decrement; |
| 342 | if ((int)probe_address < 0) { |
| 343 | probe_address += PACKAGE_HASH_PRIME; |
| 344 | } |
| 345 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 346 | return probe_address; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | /* |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 350 | * This function searches through the entire package_hashtable looking |
| 351 | * for a package which provides "needle". It returns the index into |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 352 | * the package_hashtable for the providing package. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 353 | * |
| 354 | * needle is the index into name_hashtable of the package we are |
| 355 | * looking for. |
| 356 | * |
| 357 | * start_at is the index in the package_hashtable to start looking |
| 358 | * at. If start_at is -1 then start at the beginning. This is to allow |
| 359 | * for repeated searches since more than one package might provide |
| 360 | * needle. |
| 361 | * |
| 362 | * FIXME: I don't think this is very efficient, but I thought I'd keep |
| 363 | * it simple for now until it proves to be a problem. |
| 364 | */ |
Denis Vlasenko | ac678ec | 2007-04-16 22:32:04 +0000 | [diff] [blame] | 365 | static int search_for_provides(int needle, int start_at) |
| 366 | { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 367 | int i, j; |
| 368 | common_node_t *p; |
| 369 | for (i = start_at + 1; i < PACKAGE_HASH_PRIME; i++) { |
| 370 | p = package_hashtable[i]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 371 | if (p == NULL) |
| 372 | continue; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 373 | for (j = 0; j < p->num_of_edges; j++) |
| 374 | 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] | 375 | return i; |
| 376 | } |
| 377 | return -1; |
| 378 | } |
| 379 | |
| 380 | /* |
| 381 | * Add an edge to a node |
| 382 | */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 383 | 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] | 384 | { |
| 385 | node->num_of_edges++; |
| 386 | node->edge = xrealloc(node->edge, sizeof(edge_t) * (node->num_of_edges + 1)); |
| 387 | node->edge[node->num_of_edges - 1] = edge; |
| 388 | } |
| 389 | |
| 390 | /* |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 391 | * Create one new node and one new edge for every dependency. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 392 | * |
| 393 | * Dependencies which contain multiple alternatives are represented as |
| 394 | * an EDGE_OR_PRE_DEPENDS or EDGE_OR_DEPENDS node, followed by a |
| 395 | * number of EDGE_PRE_DEPENDS or EDGE_DEPENDS nodes. The name field of |
| 396 | * the OR edge contains the full dependency string while the version |
| 397 | * field contains the number of EDGE nodes which follow as part of |
| 398 | * this alternative. |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 399 | */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 400 | 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] | 401 | { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 402 | char *line = xstrdup(whole_line); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 403 | char *line2; |
| 404 | char *line_ptr1 = NULL; |
| 405 | char *line_ptr2 = NULL; |
| 406 | char *field; |
| 407 | char *field2; |
| 408 | char *version; |
| 409 | edge_t *edge; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 410 | edge_t *or_edge; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 411 | int offset_ch; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 412 | |
| 413 | field = strtok_r(line, ",", &line_ptr1); |
| 414 | do { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 415 | /* skip leading spaces */ |
| 416 | field += strspn(field, " "); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 417 | line2 = xstrdup(field); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 418 | field2 = strtok_r(line2, "|", &line_ptr2); |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 419 | or_edge = NULL; |
| 420 | if ((edge_type == EDGE_DEPENDS || edge_type == EDGE_PRE_DEPENDS) |
| 421 | && (strcmp(field, field2) != 0) |
| 422 | ) { |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 423 | or_edge = xzalloc(sizeof(edge_t)); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 424 | or_edge->type = edge_type + 1; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 425 | or_edge->name = search_name_hashtable(field); |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 426 | //or_edge->version = 0; // tracks the number of alternatives |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 427 | add_edge_to_node(parent_node, or_edge); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | do { |
Denis Vlasenko | b95636c | 2006-12-19 23:36:04 +0000 | [diff] [blame] | 431 | edge = xmalloc(sizeof(edge_t)); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 432 | edge->type = edge_type; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 433 | |
| 434 | /* Skip any extra leading spaces */ |
| 435 | field2 += strspn(field2, " "); |
| 436 | |
| 437 | /* Get dependency version info */ |
| 438 | version = strchr(field2, '('); |
| 439 | if (version == NULL) { |
| 440 | edge->operator = VER_ANY; |
| 441 | /* Get the versions hash number, adding it if the number isnt already in there */ |
| 442 | edge->version = search_name_hashtable("ANY"); |
| 443 | } else { |
| 444 | /* Skip leading ' ' or '(' */ |
Bernhard Reutner-Fischer | 6c501a7 | 2007-06-05 17:28:56 +0000 | [diff] [blame] | 445 | version += strspn(version, " ("); |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 446 | /* Calculate length of any operator characters */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 447 | offset_ch = strspn(version, "<=>"); |
| 448 | /* Determine operator */ |
| 449 | if (offset_ch > 0) { |
| 450 | if (strncmp(version, "=", offset_ch) == 0) { |
| 451 | edge->operator = VER_EQUAL; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 452 | } else if (strncmp(version, "<<", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 453 | edge->operator = VER_LESS; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 454 | } else if (strncmp(version, "<=", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 455 | edge->operator = VER_LESS_EQUAL; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 456 | } else if (strncmp(version, ">>", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 457 | edge->operator = VER_MORE; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 458 | } else if (strncmp(version, ">=", offset_ch) == 0) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 459 | edge->operator = VER_MORE_EQUAL; |
| 460 | } else { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 461 | bb_error_msg_and_die("illegal operator"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 462 | } |
| 463 | } |
| 464 | /* skip to start of version numbers */ |
| 465 | version += offset_ch; |
| 466 | version += strspn(version, " "); |
| 467 | |
| 468 | /* Truncate version at trailing ' ' or ')' */ |
| 469 | version[strcspn(version, " )")] = '\0'; |
| 470 | /* Get the versions hash number, adding it if the number isnt already in there */ |
| 471 | edge->version = search_name_hashtable(version); |
| 472 | } |
| 473 | |
| 474 | /* Get the dependency name */ |
| 475 | field2[strcspn(field2, " (")] = '\0'; |
| 476 | edge->name = search_name_hashtable(field2); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 477 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 478 | if (or_edge) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 479 | or_edge->version++; |
| 480 | |
| 481 | add_edge_to_node(parent_node, edge); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 482 | field2 = strtok_r(NULL, "|", &line_ptr2); |
| 483 | } while (field2 != NULL); |
| 484 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 485 | free(line2); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 486 | field = strtok_r(NULL, ",", &line_ptr1); |
| 487 | } while (field != NULL); |
| 488 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 489 | free(line); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 490 | } |
| 491 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 492 | static void free_package(common_node_t *node) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 493 | { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 494 | unsigned i; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 495 | if (node) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 496 | for (i = 0; i < node->num_of_edges; i++) { |
Aaron Lehmann | a170e1c | 2002-11-28 11:27:31 +0000 | [diff] [blame] | 497 | free(node->edge[i]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 498 | } |
Rob Landley | e7c43b6 | 2006-03-01 16:39:45 +0000 | [diff] [blame] | 499 | free(node->edge); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 500 | free(node); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 501 | } |
| 502 | } |
| 503 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 504 | /* |
| 505 | * Gets the next package field from package_buffer, seperated into the field name |
| 506 | * and field value, it returns the int offset to the first character of the next field |
| 507 | */ |
| 508 | static int read_package_field(const char *package_buffer, char **field_name, char **field_value) |
| 509 | { |
| 510 | int offset_name_start = 0; |
| 511 | int offset_name_end = 0; |
| 512 | int offset_value_start = 0; |
| 513 | int offset_value_end = 0; |
| 514 | int offset = 0; |
| 515 | int next_offset; |
| 516 | int name_length; |
| 517 | int value_length; |
| 518 | int exit_flag = FALSE; |
| 519 | |
| 520 | if (package_buffer == NULL) { |
| 521 | *field_name = NULL; |
| 522 | *field_value = NULL; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 523 | return -1; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 524 | } |
| 525 | while (1) { |
| 526 | next_offset = offset + 1; |
| 527 | switch (package_buffer[offset]) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 528 | case '\0': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 529 | exit_flag = TRUE; |
| 530 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 531 | case ':': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 532 | if (offset_name_end == 0) { |
| 533 | offset_name_end = offset; |
| 534 | offset_value_start = next_offset; |
| 535 | } |
| 536 | /* TODO: Name might still have trailing spaces if ':' isnt |
| 537 | * immediately after name */ |
| 538 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 539 | case '\n': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 540 | /* TODO: The char next_offset may be out of bounds */ |
| 541 | if (package_buffer[next_offset] != ' ') { |
| 542 | exit_flag = TRUE; |
| 543 | break; |
| 544 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 545 | case '\t': |
| 546 | case ' ': |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 547 | /* increment the value start point if its a just filler */ |
| 548 | if (offset_name_start == offset) { |
| 549 | offset_name_start++; |
| 550 | } |
| 551 | if (offset_value_start == offset) { |
| 552 | offset_value_start++; |
| 553 | } |
| 554 | break; |
| 555 | } |
| 556 | if (exit_flag) { |
| 557 | /* Check that the names are valid */ |
| 558 | offset_value_end = offset; |
| 559 | name_length = offset_name_end - offset_name_start; |
| 560 | value_length = offset_value_end - offset_value_start; |
| 561 | if (name_length == 0) { |
| 562 | break; |
| 563 | } |
| 564 | if ((name_length > 0) && (value_length > 0)) { |
| 565 | break; |
| 566 | } |
| 567 | |
| 568 | /* If not valid, start fresh with next field */ |
| 569 | exit_flag = FALSE; |
| 570 | offset_name_start = offset + 1; |
| 571 | offset_name_end = 0; |
| 572 | offset_value_start = offset + 1; |
| 573 | offset_value_end = offset + 1; |
| 574 | offset++; |
| 575 | } |
| 576 | offset++; |
| 577 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 578 | *field_name = NULL; |
| 579 | if (name_length) { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 580 | *field_name = xstrndup(&package_buffer[offset_name_start], name_length); |
| 581 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 582 | *field_value = NULL; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 583 | if (value_length > 0) { |
| 584 | *field_value = xstrndup(&package_buffer[offset_value_start], value_length); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 585 | } |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 586 | return next_offset; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 587 | } |
| 588 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 589 | static unsigned fill_package_struct(char *control_buffer) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 590 | { |
Denis Vlasenko | 6ca409e | 2007-08-12 20:58:27 +0000 | [diff] [blame] | 591 | static const char field_names[] ALIGN1 = |
| 592 | "Package\0""Version\0" |
Denis Vlasenko | 990d0f6 | 2007-07-24 15:54:42 +0000 | [diff] [blame] | 593 | "Pre-Depends\0""Depends\0""Replaces\0""Provides\0" |
| 594 | "Conflicts\0""Suggests\0""Recommends\0""Enhances\0"; |
Rob Landley | 0a7c8ef | 2006-02-22 17:01:00 +0000 | [diff] [blame] | 595 | |
Denis Vlasenko | 4cccc03 | 2006-12-22 18:37:07 +0000 | [diff] [blame] | 596 | common_node_t *new_node = xzalloc(sizeof(common_node_t)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 597 | char *field_name; |
| 598 | char *field_value; |
| 599 | int field_start = 0; |
| 600 | int num = -1; |
| 601 | int buffer_length = strlen(control_buffer); |
| 602 | |
| 603 | new_node->version = search_name_hashtable("unknown"); |
| 604 | while (field_start < buffer_length) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 605 | unsigned field_num; |
Glenn L McGrath | 62d2882 | 2002-11-06 23:35:28 +0000 | [diff] [blame] | 606 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 607 | field_start += read_package_field(&control_buffer[field_start], |
| 608 | &field_name, &field_value); |
| 609 | |
| 610 | if (field_name == NULL) { |
Denis Vlasenko | abee3d0 | 2007-12-26 20:44:45 +0000 | [diff] [blame] | 611 | goto fill_package_struct_cleanup; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 612 | } |
| 613 | |
Denis Vlasenko | 990d0f6 | 2007-07-24 15:54:42 +0000 | [diff] [blame] | 614 | field_num = index_in_strings(field_names, field_name); |
Denis Vlasenko | c16bd21 | 2006-09-27 19:51:06 +0000 | [diff] [blame] | 615 | switch (field_num) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 616 | case 0: /* Package */ |
| 617 | new_node->name = search_name_hashtable(field_value); |
| 618 | break; |
| 619 | case 1: /* Version */ |
| 620 | new_node->version = search_name_hashtable(field_value); |
| 621 | break; |
| 622 | case 2: /* Pre-Depends */ |
| 623 | add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS); |
| 624 | break; |
| 625 | case 3: /* Depends */ |
| 626 | add_split_dependencies(new_node, field_value, EDGE_DEPENDS); |
| 627 | break; |
| 628 | case 4: /* Replaces */ |
| 629 | add_split_dependencies(new_node, field_value, EDGE_REPLACES); |
| 630 | break; |
| 631 | case 5: /* Provides */ |
| 632 | add_split_dependencies(new_node, field_value, EDGE_PROVIDES); |
| 633 | break; |
| 634 | case 6: /* Conflicts */ |
| 635 | add_split_dependencies(new_node, field_value, EDGE_CONFLICTS); |
| 636 | break; |
| 637 | case 7: /* Suggests */ |
| 638 | add_split_dependencies(new_node, field_value, EDGE_SUGGESTS); |
| 639 | break; |
| 640 | case 8: /* Recommends */ |
| 641 | add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS); |
| 642 | break; |
| 643 | case 9: /* Enhances */ |
| 644 | add_split_dependencies(new_node, field_value, EDGE_ENHANCES); |
| 645 | break; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 646 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 647 | fill_package_struct_cleanup: |
Aaron Lehmann | a170e1c | 2002-11-28 11:27:31 +0000 | [diff] [blame] | 648 | free(field_name); |
| 649 | free(field_value); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 650 | } |
| 651 | |
| 652 | if (new_node->version == search_name_hashtable("unknown")) { |
| 653 | free_package(new_node); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 654 | return -1; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 655 | } |
| 656 | num = search_package_hashtable(new_node->name, new_node->version, VER_EQUAL); |
Denis Vlasenko | 88a2aa9 | 2007-03-19 21:48:56 +0000 | [diff] [blame] | 657 | free_package(package_hashtable[num]); |
Bernhard Reutner-Fischer | de8a6a0 | 2007-03-19 13:44:18 +0000 | [diff] [blame] | 658 | package_hashtable[num] = new_node; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 659 | return num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | /* 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] | 663 | static unsigned get_status(const unsigned status_node, const int num) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 664 | { |
| 665 | char *status_string = name_hashtable[status_hashtable[status_node]->status]; |
| 666 | char *state_sub_string; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 667 | unsigned state_sub_num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 668 | int len; |
| 669 | int i; |
| 670 | |
| 671 | /* set tmp_string to point to the start of the word number */ |
| 672 | for (i = 1; i < num; i++) { |
| 673 | /* skip past a word */ |
| 674 | status_string += strcspn(status_string, " "); |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 675 | /* skip past the separating spaces */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 676 | status_string += strspn(status_string, " "); |
| 677 | } |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 678 | len = strcspn(status_string, " \n"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 679 | state_sub_string = xstrndup(status_string, len); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 680 | state_sub_num = search_name_hashtable(state_sub_string); |
| 681 | free(state_sub_string); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 682 | return state_sub_num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 683 | } |
| 684 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 685 | 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] | 686 | { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 687 | const unsigned new_value_len = strlen(new_value); |
| 688 | const unsigned new_value_num = search_name_hashtable(new_value); |
| 689 | unsigned want = get_status(status_node_num, 1); |
| 690 | unsigned flag = get_status(status_node_num, 2); |
| 691 | unsigned status = get_status(status_node_num, 3); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 692 | int want_len = strlen(name_hashtable[want]); |
| 693 | int flag_len = strlen(name_hashtable[flag]); |
| 694 | int status_len = strlen(name_hashtable[status]); |
| 695 | char *new_status; |
| 696 | |
| 697 | switch (position) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 698 | case 1: |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 699 | want = new_value_num; |
| 700 | want_len = new_value_len; |
| 701 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 702 | case 2: |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 703 | flag = new_value_num; |
| 704 | flag_len = new_value_len; |
| 705 | break; |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 706 | case 3: |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 707 | status = new_value_num; |
| 708 | status_len = new_value_len; |
| 709 | break; |
| 710 | default: |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 711 | bb_error_msg_and_die("DEBUG ONLY: this shouldnt happen"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 712 | } |
| 713 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 714 | 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] | 715 | status_hashtable[status_node_num]->status = search_name_hashtable(new_status); |
| 716 | free(new_status); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 717 | } |
| 718 | |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 719 | static const char *describe_status(int status_num) |
| 720 | { |
Denis Vlasenko | b71c668 | 2007-07-21 15:08:09 +0000 | [diff] [blame] | 721 | int status_want, status_state; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 722 | if (status_hashtable[status_num] == NULL || status_hashtable[status_num]->status == 0) |
Denis Vlasenko | 15611bb | 2007-06-12 08:52:02 +0000 | [diff] [blame] | 723 | return "is not installed or flagged to be installed"; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 724 | |
| 725 | status_want = get_status(status_num, 1); |
| 726 | status_state = get_status(status_num, 3); |
| 727 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 728 | if (status_state == search_name_hashtable("installed")) { |
| 729 | if (status_want == search_name_hashtable("install")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 730 | return "is installed"; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 731 | if (status_want == search_name_hashtable("deinstall")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 732 | return "is marked to be removed"; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 733 | if (status_want == search_name_hashtable("purge")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 734 | return "is marked to be purged"; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 735 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 736 | if (status_want == search_name_hashtable("unknown")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 737 | return "is in an indeterminate state"; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 738 | if (status_want == search_name_hashtable("install")) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 739 | return "is marked to be installed"; |
| 740 | |
| 741 | return "is not installed or flagged to be installed"; |
| 742 | } |
| 743 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 744 | static void index_status_file(const char *filename) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 745 | { |
| 746 | FILE *status_file; |
| 747 | char *control_buffer; |
| 748 | char *status_line; |
| 749 | status_node_t *status_node = NULL; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 750 | unsigned status_num; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 751 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 752 | status_file = xfopen(filename, "r"); |
Denis Vlasenko | abee3d0 | 2007-12-26 20:44:45 +0000 | [diff] [blame] | 753 | while ((control_buffer = xmalloc_fgetline_str(status_file, "\n\n")) != NULL) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 754 | const unsigned package_num = fill_package_struct(control_buffer); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 755 | if (package_num != -1) { |
| 756 | status_node = xmalloc(sizeof(status_node_t)); |
| 757 | /* fill_package_struct doesnt handle the status field */ |
| 758 | status_line = strstr(control_buffer, "Status:"); |
| 759 | if (status_line != NULL) { |
| 760 | status_line += 7; |
| 761 | status_line += strspn(status_line, " \n\t"); |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 762 | status_line = xstrndup(status_line, strcspn(status_line, "\n")); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 763 | status_node->status = search_name_hashtable(status_line); |
| 764 | free(status_line); |
| 765 | } |
| 766 | status_node->package = package_num; |
| 767 | status_num = search_status_hashtable(name_hashtable[package_hashtable[status_node->package]->name]); |
| 768 | status_hashtable[status_num] = status_node; |
| 769 | } |
| 770 | free(control_buffer); |
| 771 | } |
| 772 | fclose(status_file); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 773 | } |
| 774 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 775 | 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] | 776 | { |
| 777 | char *name; |
| 778 | char *value; |
| 779 | int start = 0; |
| 780 | while (1) { |
| 781 | start += read_package_field(&control_buffer[start], &name, &value); |
| 782 | if (name == NULL) { |
| 783 | break; |
| 784 | } |
| 785 | if (strcmp(name, "Status") != 0) { |
| 786 | fprintf(new_status_file, "%s: %s\n", name, value); |
| 787 | } |
| 788 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 789 | } |
| 790 | |
| 791 | /* This could do with a cleanup */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 792 | static void write_status_file(deb_file_t **deb_file) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 793 | { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 794 | FILE *old_status_file = xfopen("/var/lib/dpkg/status", "r"); |
| 795 | FILE *new_status_file = xfopen("/var/lib/dpkg/status.udeb", "w"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 796 | char *package_name; |
| 797 | char *status_from_file; |
| 798 | char *control_buffer = NULL; |
| 799 | char *tmp_string; |
| 800 | int status_num; |
| 801 | int field_start = 0; |
| 802 | int write_flag; |
| 803 | int i = 0; |
| 804 | |
| 805 | /* Update previously known packages */ |
Denis Vlasenko | abee3d0 | 2007-12-26 20:44:45 +0000 | [diff] [blame] | 806 | while ((control_buffer = xmalloc_fgetline_str(old_status_file, "\n\n")) != NULL) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 807 | tmp_string = strstr(control_buffer, "Package:"); |
| 808 | if (tmp_string == NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 809 | continue; |
| 810 | } |
| 811 | |
| 812 | tmp_string += 8; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 813 | tmp_string += strspn(tmp_string, " \n\t"); |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 814 | package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n")); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 815 | write_flag = FALSE; |
| 816 | tmp_string = strstr(control_buffer, "Status:"); |
| 817 | if (tmp_string != NULL) { |
| 818 | /* Seperate the status value from the control buffer */ |
| 819 | tmp_string += 7; |
| 820 | tmp_string += strspn(tmp_string, " \n\t"); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 821 | status_from_file = xstrndup(tmp_string, strcspn(tmp_string, "\n")); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 822 | } else { |
| 823 | status_from_file = NULL; |
| 824 | } |
| 825 | |
| 826 | /* Find this package in the status hashtable */ |
| 827 | status_num = search_status_hashtable(package_name); |
| 828 | if (status_hashtable[status_num] != NULL) { |
| 829 | const char *status_from_hashtable = name_hashtable[status_hashtable[status_num]->status]; |
| 830 | if (strcmp(status_from_file, status_from_hashtable) != 0) { |
| 831 | /* New status isnt exactly the same as old status */ |
| 832 | const int state_status = get_status(status_num, 3); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 833 | if ((strcmp("installed", name_hashtable[state_status]) == 0) |
| 834 | || (strcmp("unpacked", name_hashtable[state_status]) == 0) |
| 835 | ) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 836 | /* We need to add the control file from the package */ |
| 837 | i = 0; |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 838 | while (deb_file[i] != NULL) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 839 | if (strcmp(package_name, name_hashtable[package_hashtable[deb_file[i]->package]->name]) == 0) { |
| 840 | /* Write a status file entry with a modified status */ |
| 841 | /* remove trailing \n's */ |
| 842 | write_buffer_no_status(new_status_file, deb_file[i]->control_file); |
| 843 | set_status(status_num, "ok", 2); |
Denis Vlasenko | a6dbb08 | 2006-10-12 19:29:44 +0000 | [diff] [blame] | 844 | fprintf(new_status_file, "Status: %s\n\n", |
| 845 | name_hashtable[status_hashtable[status_num]->status]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 846 | write_flag = TRUE; |
| 847 | break; |
| 848 | } |
| 849 | i++; |
| 850 | } |
| 851 | /* This is temperary, debugging only */ |
| 852 | if (deb_file[i] == NULL) { |
Denis Vlasenko | a6dbb08 | 2006-10-12 19:29:44 +0000 | [diff] [blame] | 853 | bb_error_msg_and_die("ALERT: cannot find a control file, " |
| 854 | "your status file may be broken, status may be " |
| 855 | "incorrect for %s", package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 856 | } |
| 857 | } |
| 858 | else if (strcmp("not-installed", name_hashtable[state_status]) == 0) { |
| 859 | /* Only write the Package, Status, Priority and Section lines */ |
| 860 | fprintf(new_status_file, "Package: %s\n", package_name); |
| 861 | fprintf(new_status_file, "Status: %s\n", status_from_hashtable); |
| 862 | |
| 863 | while (1) { |
| 864 | char *field_name; |
| 865 | char *field_value; |
| 866 | field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value); |
| 867 | if (field_name == NULL) { |
| 868 | break; |
| 869 | } |
| 870 | if ((strcmp(field_name, "Priority") == 0) || |
| 871 | (strcmp(field_name, "Section") == 0)) { |
| 872 | fprintf(new_status_file, "%s: %s\n", field_name, field_value); |
| 873 | } |
| 874 | } |
| 875 | write_flag = TRUE; |
| 876 | fputs("\n", new_status_file); |
| 877 | } |
| 878 | else if (strcmp("config-files", name_hashtable[state_status]) == 0) { |
| 879 | /* only change the status line */ |
| 880 | while (1) { |
| 881 | char *field_name; |
| 882 | char *field_value; |
| 883 | field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value); |
| 884 | if (field_name == NULL) { |
| 885 | break; |
| 886 | } |
| 887 | /* Setup start point for next field */ |
| 888 | if (strcmp(field_name, "Status") == 0) { |
| 889 | fprintf(new_status_file, "Status: %s\n", status_from_hashtable); |
| 890 | } else { |
| 891 | fprintf(new_status_file, "%s: %s\n", field_name, field_value); |
| 892 | } |
| 893 | } |
| 894 | write_flag = TRUE; |
| 895 | fputs("\n", new_status_file); |
| 896 | } |
| 897 | } |
| 898 | } |
| 899 | /* 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] | 900 | if (!write_flag) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 901 | fprintf(new_status_file, "%s\n\n", control_buffer); |
| 902 | } |
| 903 | |
Aaron Lehmann | a170e1c | 2002-11-28 11:27:31 +0000 | [diff] [blame] | 904 | free(status_from_file); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 905 | free(package_name); |
| 906 | free(control_buffer); |
| 907 | } |
| 908 | |
| 909 | /* Write any new packages */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 910 | for (i = 0; deb_file[i] != NULL; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 911 | status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[i]->package]->name]); |
| 912 | if (strcmp("reinstreq", name_hashtable[get_status(status_num, 2)]) == 0) { |
| 913 | write_buffer_no_status(new_status_file, deb_file[i]->control_file); |
| 914 | set_status(status_num, "ok", 2); |
| 915 | fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]); |
| 916 | } |
| 917 | } |
| 918 | fclose(old_status_file); |
| 919 | fclose(new_status_file); |
| 920 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 921 | /* Create a separate backfile to dpkg */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 922 | 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] | 923 | if (errno != ENOENT) |
| 924 | bb_error_msg_and_die("cannot create backup status file"); |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 925 | /* Its ok if renaming the status file fails because status |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 926 | * file doesnt exist, maybe we are starting from scratch */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 927 | bb_error_msg("no status file found, creating new one"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 928 | } |
| 929 | |
Denis Vlasenko | b3b0753 | 2008-02-17 14:29:25 +0000 | [diff] [blame] | 930 | xrename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 931 | } |
| 932 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 933 | /* This function returns TRUE if the given package can satisfy a |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 934 | * dependency of type depend_type. |
| 935 | * |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 936 | * 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] | 937 | * which a regular depends can be satisfied by a package which we want |
| 938 | * to install. |
| 939 | */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 940 | static int package_satisfies_dependency(int package, int depend_type) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 941 | { |
| 942 | int status_num = search_status_hashtable(name_hashtable[package_hashtable[package]->name]); |
| 943 | |
| 944 | /* status could be unknown if package is a pure virtual |
| 945 | * provides which cannot satisfy any dependency by itself. |
| 946 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 947 | if (status_hashtable[status_num] == NULL) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 948 | return 0; |
| 949 | |
| 950 | switch (depend_type) { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 951 | case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed"); |
| 952 | 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] | 953 | } |
| 954 | return 0; |
| 955 | } |
| 956 | |
Denis Vlasenko | 68404f1 | 2008-03-17 09:00:54 +0000 | [diff] [blame] | 957 | 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] | 958 | { |
| 959 | int *conflicts = NULL; |
| 960 | int conflicts_num = 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 961 | int i = deb_start; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 962 | int j; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 963 | |
| 964 | /* Check for conflicts |
| 965 | * TODO: TEST if conflicts with other packages to be installed |
| 966 | * |
| 967 | * Add install packages and the packages they provide |
| 968 | * to the list of files to check conflicts for |
| 969 | */ |
| 970 | |
| 971 | /* Create array of package numbers to check against |
| 972 | * installed package for conflicts*/ |
| 973 | while (deb_file[i] != NULL) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 974 | const unsigned package_num = deb_file[i]->package; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 975 | conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1)); |
| 976 | conflicts[conflicts_num] = package_num; |
| 977 | conflicts_num++; |
| 978 | /* add provides to conflicts list */ |
| 979 | for (j = 0; j < package_hashtable[package_num]->num_of_edges; j++) { |
| 980 | if (package_hashtable[package_num]->edge[j]->type == EDGE_PROVIDES) { |
| 981 | const int conflicts_package_num = search_package_hashtable( |
| 982 | package_hashtable[package_num]->edge[j]->name, |
| 983 | package_hashtable[package_num]->edge[j]->version, |
| 984 | package_hashtable[package_num]->edge[j]->operator); |
| 985 | if (package_hashtable[conflicts_package_num] == NULL) { |
| 986 | /* create a new package */ |
Denis Vlasenko | 4cccc03 | 2006-12-22 18:37:07 +0000 | [diff] [blame] | 987 | common_node_t *new_node = xzalloc(sizeof(common_node_t)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 988 | new_node->name = package_hashtable[package_num]->edge[j]->name; |
| 989 | new_node->version = package_hashtable[package_num]->edge[j]->version; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 990 | package_hashtable[conflicts_package_num] = new_node; |
| 991 | } |
| 992 | conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1)); |
| 993 | conflicts[conflicts_num] = conflicts_package_num; |
| 994 | conflicts_num++; |
| 995 | } |
| 996 | } |
| 997 | i++; |
| 998 | } |
| 999 | |
| 1000 | /* Check conflicts */ |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1001 | i = 0; |
| 1002 | while (deb_file[i] != NULL) { |
| 1003 | const common_node_t *package_node = package_hashtable[deb_file[i]->package]; |
| 1004 | int status_num = 0; |
| 1005 | status_num = search_status_hashtable(name_hashtable[package_node->name]); |
| 1006 | |
| 1007 | if (get_status(status_num, 3) == search_name_hashtable("installed")) { |
| 1008 | i++; |
| 1009 | continue; |
| 1010 | } |
| 1011 | |
| 1012 | for (j = 0; j < package_node->num_of_edges; j++) { |
| 1013 | const edge_t *package_edge = package_node->edge[j]; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1014 | |
| 1015 | if (package_edge->type == EDGE_CONFLICTS) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1016 | const unsigned package_num = |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1017 | search_package_hashtable(package_edge->name, |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1018 | package_edge->version, |
| 1019 | package_edge->operator); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1020 | int result = 0; |
| 1021 | if (package_hashtable[package_num] != NULL) { |
| 1022 | 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] | 1023 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1024 | if (get_status(status_num, 1) == search_name_hashtable("install")) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1025 | result = test_version(package_hashtable[deb_file[i]->package]->version, |
| 1026 | package_edge->version, package_edge->operator); |
| 1027 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1028 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1029 | |
| 1030 | if (result) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1031 | bb_error_msg_and_die("package %s conflicts with %s", |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1032 | name_hashtable[package_node->name], |
| 1033 | name_hashtable[package_edge->name]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1034 | } |
| 1035 | } |
| 1036 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1037 | i++; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 1038 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1039 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1040 | |
| 1041 | /* Check dependendcies */ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1042 | for (i = 0; i < PACKAGE_HASH_PRIME; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1043 | int status_num = 0; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1044 | int number_of_alternatives = 0; |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1045 | const edge_t * root_of_alternatives = NULL; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1046 | const common_node_t *package_node = package_hashtable[i]; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1047 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1048 | /* If the package node does not exist then this |
| 1049 | * package is a virtual one. In which case there are |
| 1050 | * no dependencies to check. |
| 1051 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1052 | if (package_node == NULL) continue; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1053 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1054 | status_num = search_status_hashtable(name_hashtable[package_node->name]); |
| 1055 | |
| 1056 | /* If there is no status then this package is a |
| 1057 | * virtual one provided by something else. In which |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1058 | * case there are no dependencies to check. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1059 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1060 | if (status_hashtable[status_num] == NULL) continue; |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1061 | |
| 1062 | /* If we don't want this package installed then we may |
| 1063 | * as well ignore it's dependencies. |
| 1064 | */ |
| 1065 | if (get_status(status_num, 1) != search_name_hashtable("install")) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1066 | continue; |
| 1067 | } |
| 1068 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1069 | /* This code is tested only for EDGE_DEPENDS, since I |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1070 | * have no suitable pre-depends available. There is no |
| 1071 | * reason that it shouldn't work though :-) |
| 1072 | */ |
| 1073 | for (j = 0; j < package_node->num_of_edges; j++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1074 | const edge_t *package_edge = package_node->edge[j]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1075 | unsigned package_num; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 1076 | |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1077 | if (package_edge->type == EDGE_OR_PRE_DEPENDS |
| 1078 | || package_edge->type == EDGE_OR_DEPENDS |
| 1079 | ) { /* start an EDGE_OR_ list */ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1080 | number_of_alternatives = package_edge->version; |
| 1081 | root_of_alternatives = package_edge; |
| 1082 | continue; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1083 | } |
| 1084 | 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] | 1085 | number_of_alternatives = 1; |
| 1086 | root_of_alternatives = NULL; |
| 1087 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1088 | |
Glenn L McGrath | 1dbbd2f | 2001-12-05 04:10:14 +0000 | [diff] [blame] | 1089 | 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] | 1090 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1091 | if (package_edge->type == EDGE_PRE_DEPENDS || |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1092 | package_edge->type == EDGE_DEPENDS) { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1093 | int result=1; |
| 1094 | status_num = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1095 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1096 | /* If we are inside an alternative then check |
| 1097 | * this edge is the right type. |
| 1098 | * |
| 1099 | * EDGE_DEPENDS == OR_DEPENDS -1 |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1100 | * EDGE_PRE_DEPENDS == OR_PRE_DEPENDS -1 |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1101 | */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1102 | if (root_of_alternatives && package_edge->type != root_of_alternatives->type - 1) |
| 1103 | 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] | 1104 | package_edge->type, root_of_alternatives->type); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1105 | |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1106 | if (package_hashtable[package_num] != NULL) |
| 1107 | result = !package_satisfies_dependency(package_num, package_edge->type); |
| 1108 | |
| 1109 | if (result) { /* check for other package which provide what we are looking for */ |
| 1110 | int provider = -1; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1111 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1112 | while ((provider = search_for_provides(package_edge->name, provider)) > -1) { |
| 1113 | if (package_hashtable[provider] == NULL) { |
| 1114 | puts("Have a provider but no package information for it"); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1115 | continue; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1116 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1117 | result = !package_satisfies_dependency(provider, package_edge->type); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1118 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1119 | if (result == 0) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1120 | break; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1121 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1122 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1123 | |
| 1124 | /* It must be already installed, or to be installed */ |
| 1125 | number_of_alternatives--; |
| 1126 | if (result && number_of_alternatives == 0) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1127 | if (root_of_alternatives) |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1128 | bb_error_msg_and_die( |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1129 | "package %s %sdepends on %s, " |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1130 | "which cannot be satisfied", |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1131 | name_hashtable[package_node->name], |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1132 | package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "", |
| 1133 | name_hashtable[root_of_alternatives->name]); |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1134 | bb_error_msg_and_die( |
| 1135 | "package %s %sdepends on %s, which %s\n", |
| 1136 | name_hashtable[package_node->name], |
| 1137 | package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "", |
| 1138 | name_hashtable[package_edge->name], |
| 1139 | describe_status(status_num)); |
| 1140 | } |
| 1141 | if (result == 0 && number_of_alternatives) { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1142 | /* we've found a package which |
| 1143 | * satisfies the dependency, |
| 1144 | * so skip over the rest of |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1145 | * the alternatives. |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1146 | */ |
| 1147 | j += number_of_alternatives; |
| 1148 | number_of_alternatives = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1149 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1150 | } |
| 1151 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1152 | } |
| 1153 | free(conflicts); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1154 | return TRUE; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1155 | } |
| 1156 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1157 | static char **create_list(const char *filename) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1158 | { |
| 1159 | FILE *list_stream; |
Denis Vlasenko | 2027313 | 2008-06-21 22:10:52 +0000 | [diff] [blame] | 1160 | char **file_list; |
| 1161 | char *line; |
| 1162 | int count; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1163 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1164 | /* don't use [xw]fopen here, handle error ourself */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1165 | list_stream = fopen(filename, "r"); |
| 1166 | if (list_stream == NULL) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1167 | return NULL; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1168 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1169 | |
Denis Vlasenko | 2027313 | 2008-06-21 22:10:52 +0000 | [diff] [blame] | 1170 | file_list = NULL; |
| 1171 | count = 0; |
Denis Vlasenko | 8ee649a | 2008-03-26 20:04:27 +0000 | [diff] [blame] | 1172 | while ((line = xmalloc_fgetline(list_stream)) != NULL) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1173 | file_list = xrealloc(file_list, sizeof(char *) * (count + 2)); |
Denis Vlasenko | 2027313 | 2008-06-21 22:10:52 +0000 | [diff] [blame] | 1174 | file_list[count++] = line; |
| 1175 | file_list[count] = NULL; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1176 | } |
| 1177 | fclose(list_stream); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1178 | |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1179 | return file_list; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | /* maybe i should try and hook this into remove_file.c somehow */ |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1183 | static int remove_file_array(char **remove_names, char **exclude_names) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1184 | { |
| 1185 | struct stat path_stat; |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1186 | int remove_flag = 1; /* not removed anything yet */ |
| 1187 | int i, j; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1188 | |
| 1189 | if (remove_names == NULL) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1190 | return 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1191 | } |
| 1192 | for (i = 0; remove_names[i] != NULL; i++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1193 | if (exclude_names != NULL) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1194 | for (j = 0; exclude_names[j] != NULL; j++) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1195 | if (strcmp(remove_names[i], exclude_names[j]) == 0) { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1196 | goto skip; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1197 | } |
| 1198 | } |
| 1199 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1200 | /* TODO: why we are checking lstat? we can just try rm/rmdir */ |
| 1201 | if (lstat(remove_names[i], &path_stat) < 0) { |
| 1202 | continue; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1203 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1204 | if (S_ISDIR(path_stat.st_mode)) { |
| 1205 | remove_flag &= rmdir(remove_names[i]); /* 0 if no error */ |
| 1206 | } else { |
| 1207 | remove_flag &= unlink(remove_names[i]); /* 0 if no error */ |
| 1208 | } |
| 1209 | skip: |
| 1210 | continue; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1211 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1212 | return (remove_flag == 0); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1213 | } |
| 1214 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1215 | 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] | 1216 | { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1217 | char *script_path; |
| 1218 | int result; |
| 1219 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1220 | 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] | 1221 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1222 | /* If the file doesnt exist is isnt fatal */ |
| 1223 | result = access(script_path, F_OK) ? EXIT_SUCCESS : system(script_path); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1224 | free(script_path); |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1225 | if (result) |
| 1226 | 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] | 1227 | } |
| 1228 | |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1229 | /* |
| 1230 | The policy manual defines what scripts get called when and with |
| 1231 | what arguments. I realize that busybox does not support all of |
| 1232 | these scenarios, but it does support some of them; it does not, |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1233 | however, run them with any parameters in run_package_script_or_die(). |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1234 | Here are the scripts: |
| 1235 | |
| 1236 | preinst install |
| 1237 | preinst install <old_version> |
| 1238 | preinst upgrade <old_version> |
| 1239 | preinst abort_upgrade <new_version> |
| 1240 | postinst configure <most_recent_version> |
| 1241 | postinst abort-upgade <new_version> |
| 1242 | postinst abort-remove |
| 1243 | postinst abort-remove in-favour <package> <version> |
| 1244 | postinst abort-deconfigure in-favor <failed_install_package> removing <conflicting_package> <version> |
| 1245 | prerm remove |
| 1246 | prerm upgrade <new_version> |
| 1247 | prerm failed-upgrade <old_version> |
| 1248 | prerm remove in-favor <package> <new_version> |
| 1249 | prerm deconfigure in-favour <package> <version> removing <package> <version> |
| 1250 | postrm remove |
| 1251 | postrm purge |
| 1252 | postrm upgrade <new_version> |
| 1253 | postrm failed-upgrade <old_version> |
| 1254 | postrm abort-install |
| 1255 | postrm abort-install <old_version> |
| 1256 | postrm abort-upgrade <old_version> |
| 1257 | postrm disappear <overwriter> <version> |
| 1258 | */ |
Denis Vlasenko | 6ca409e | 2007-08-12 20:58:27 +0000 | [diff] [blame] | 1259 | static const char *const all_control_files[] = { |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1260 | "preinst", "postinst", "prerm", "postrm", |
| 1261 | "list", "md5sums", "shlibs", "conffiles", |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1262 | "config", "templates" |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1263 | }; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1264 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1265 | static char **all_control_list(const char *package_name) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1266 | { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1267 | unsigned i = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1268 | char **remove_files; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1269 | |
| 1270 | /* Create a list of all /var/lib/dpkg/info/<package> files */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1271 | remove_files = xzalloc(sizeof(all_control_files) + sizeof(char*)); |
| 1272 | while (i < ARRAY_SIZE(all_control_files)) { |
| 1273 | remove_files[i] = xasprintf("/var/lib/dpkg/info/%s.%s", |
| 1274 | package_name, all_control_files[i]); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1275 | i++; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1276 | } |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1277 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1278 | return remove_files; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1279 | } |
| 1280 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1281 | static void free_array(char **array) |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1282 | { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1283 | if (array) { |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1284 | unsigned i = 0; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1285 | while (array[i]) { |
| 1286 | free(array[i]); |
| 1287 | i++; |
| 1288 | } |
| 1289 | free(array); |
| 1290 | } |
| 1291 | } |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1292 | |
| 1293 | /* This function lists information on the installed packages. It loops through |
| 1294 | * 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] | 1295 | * scanning the status file. The resulting list, however, is unsorted. |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1296 | */ |
Mike Frysinger | 4e5936e | 2005-04-16 04:30:38 +0000 | [diff] [blame] | 1297 | static void list_packages(void) |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1298 | { |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 1299 | int i; |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1300 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1301 | puts(" Name Version"); |
| 1302 | puts("+++-==============-=============="); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1303 | |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1304 | /* go through status hash, dereference package hash and finally strings */ |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1305 | for (i = 0; i < STATUS_HASH_PRIME+1; i++) { |
Denis Vlasenko | 9213a9e | 2006-09-17 16:28:10 +0000 | [diff] [blame] | 1306 | if (status_hashtable[i]) { |
| 1307 | const char *stat_str; /* status string */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1308 | const char *name_str; /* package name */ |
| 1309 | const char *vers_str; /* version */ |
| 1310 | char s1, s2; /* status abbreviations */ |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1311 | int spccnt; /* space count */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1312 | int j; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1313 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1314 | stat_str = name_hashtable[status_hashtable[i]->status]; |
| 1315 | name_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->name]; |
| 1316 | vers_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->version]; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1317 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1318 | /* get abbreviation for status field 1 */ |
| 1319 | s1 = stat_str[0] == 'i' ? 'i' : 'r'; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1320 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1321 | /* get abbreviation for status field 2 */ |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1322 | for (j = 0, spccnt = 0; stat_str[j] && spccnt < 2; j++) { |
Denis Vlasenko | 9213a9e | 2006-09-17 16:28:10 +0000 | [diff] [blame] | 1323 | if (stat_str[j] == ' ') spccnt++; |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1324 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1325 | s2 = stat_str[j]; |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1326 | |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1327 | /* print out the line formatted like Debian dpkg */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1328 | 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] | 1329 | } |
Denis Vlasenko | 334fa9b | 2007-04-13 23:22:58 +0000 | [diff] [blame] | 1330 | } |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1331 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1332 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1333 | static void remove_package(const unsigned package_num, int noisy) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1334 | { |
| 1335 | const char *package_name = name_hashtable[package_hashtable[package_num]->name]; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1336 | const char *package_version = name_hashtable[package_hashtable[package_num]->version]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1337 | const unsigned status_num = search_status_hashtable(package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1338 | const int package_name_length = strlen(package_name); |
| 1339 | char **remove_files; |
| 1340 | char **exclude_files; |
| 1341 | char list_name[package_name_length + 25]; |
| 1342 | char conffile_name[package_name_length + 30]; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1343 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1344 | if (noisy) |
| 1345 | printf("Removing %s (%s)...\n", package_name, package_version); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1346 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1347 | /* Run prerm script */ |
| 1348 | run_package_script_or_die(package_name, "prerm"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1349 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1350 | /* 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] | 1351 | 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] | 1352 | remove_files = create_list(list_name); |
| 1353 | |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1354 | 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] | 1355 | exclude_files = create_list(conffile_name); |
| 1356 | |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 1357 | /* Some directories can't be removed straight away, so do multiple passes */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1358 | while (remove_file_array(remove_files, exclude_files)) |
| 1359 | continue; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1360 | free_array(exclude_files); |
| 1361 | free_array(remove_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1362 | |
| 1363 | /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */ |
Rob Landley | 1ec5b29 | 2006-05-29 07:42:02 +0000 | [diff] [blame] | 1364 | exclude_files = xzalloc(sizeof(char*) * 3); |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1365 | exclude_files[0] = xstrdup(conffile_name); |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1366 | 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] | 1367 | |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1368 | /* Create a list of all /var/lib/dpkg/info/<package> files */ |
| 1369 | remove_files = all_control_list(package_name); |
| 1370 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1371 | remove_file_array(remove_files, exclude_files); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1372 | free_array(remove_files); |
| 1373 | free_array(exclude_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1374 | |
Bernhard Reutner-Fischer | f0d6068 | 2008-06-05 12:18:42 +0000 | [diff] [blame] | 1375 | /* rename <package>.conffiles to <package>.list |
| 1376 | * The conffiles control file isn't required in Debian packages, so don't |
| 1377 | * error out if it's missing. */ |
| 1378 | rename(conffile_name, list_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1379 | |
| 1380 | /* Change package status */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1381 | set_status(status_num, "config-files", 3); |
| 1382 | } |
| 1383 | |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1384 | static void purge_package(const unsigned package_num) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1385 | { |
| 1386 | const char *package_name = name_hashtable[package_hashtable[package_num]->name]; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1387 | const char *package_version = name_hashtable[package_hashtable[package_num]->version]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1388 | const unsigned status_num = search_status_hashtable(package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1389 | char **remove_files; |
| 1390 | char **exclude_files; |
| 1391 | char list_name[strlen(package_name) + 25]; |
| 1392 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1393 | printf("Purging %s (%s)...\n", package_name, package_version); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1394 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1395 | /* Run prerm script */ |
| 1396 | run_package_script_or_die(package_name, "prerm"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1397 | |
| 1398 | /* Create a list of files to remove */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1399 | 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] | 1400 | remove_files = create_list(list_name); |
| 1401 | |
Rob Landley | 1ec5b29 | 2006-05-29 07:42:02 +0000 | [diff] [blame] | 1402 | exclude_files = xzalloc(sizeof(char*)); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1403 | |
| 1404 | /* Some directories cant be removed straight away, so do multiple passes */ |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 1405 | while (remove_file_array(remove_files, exclude_files)) /* repeat */; |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1406 | free_array(remove_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1407 | |
| 1408 | /* Create a list of all /var/lib/dpkg/info/<package> files */ |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1409 | remove_files = all_control_list(package_name); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1410 | remove_file_array(remove_files, exclude_files); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1411 | free_array(remove_files); |
| 1412 | free(exclude_files); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1413 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1414 | /* Run postrm script */ |
| 1415 | run_package_script_or_die(package_name, "postrm"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1416 | |
| 1417 | /* Change package status */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1418 | set_status(status_num, "not-installed", 3); |
| 1419 | } |
| 1420 | |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1421 | static archive_handle_t *init_archive_deb_ar(const char *filename) |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1422 | { |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1423 | archive_handle_t *ar_handle; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1424 | |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1425 | /* 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] | 1426 | ar_handle = init_handle(); |
| 1427 | ar_handle->filter = filter_accept_list_reassign; |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1428 | ar_handle->src_fd = xopen(filename, O_RDONLY); |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1429 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1430 | return ar_handle; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1431 | } |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1432 | |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1433 | static void init_archive_deb_control(archive_handle_t *ar_handle) |
| 1434 | { |
| 1435 | archive_handle_t *tar_handle; |
| 1436 | |
| 1437 | /* Setup the tar archive handle */ |
| 1438 | tar_handle = init_handle(); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1439 | tar_handle->src_fd = ar_handle->src_fd; |
| 1440 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1441 | /* We don't care about data.tar.* or debian-binary, just control.tar.* */ |
Denis Vlasenko | dbe6e66 | 2007-08-14 16:43:01 +0000 | [diff] [blame] | 1442 | #if ENABLE_FEATURE_DEB_TAR_GZ |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1443 | llist_add_to(&(ar_handle->accept), (char*)"control.tar.gz"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1444 | #endif |
Denis Vlasenko | dbe6e66 | 2007-08-14 16:43:01 +0000 | [diff] [blame] | 1445 | #if ENABLE_FEATURE_DEB_TAR_BZ2 |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1446 | llist_add_to(&(ar_handle->accept), (char*)"control.tar.bz2"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1447 | #endif |
| 1448 | |
| 1449 | /* Assign the tar handle as a subarchive of the ar handle */ |
| 1450 | ar_handle->sub_archive = tar_handle; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1451 | } |
| 1452 | |
| 1453 | static void init_archive_deb_data(archive_handle_t *ar_handle) |
| 1454 | { |
| 1455 | archive_handle_t *tar_handle; |
| 1456 | |
| 1457 | /* Setup the tar archive handle */ |
| 1458 | tar_handle = init_handle(); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1459 | tar_handle->src_fd = ar_handle->src_fd; |
| 1460 | |
Eric Andersen | aff114c | 2004-04-14 17:51:38 +0000 | [diff] [blame] | 1461 | /* We don't care about control.tar.* or debian-binary, just data.tar.* */ |
Denis Vlasenko | dbe6e66 | 2007-08-14 16:43:01 +0000 | [diff] [blame] | 1462 | #if ENABLE_FEATURE_DEB_TAR_GZ |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1463 | llist_add_to(&(ar_handle->accept), (char*)"data.tar.gz"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1464 | #endif |
Denis Vlasenko | dbe6e66 | 2007-08-14 16:43:01 +0000 | [diff] [blame] | 1465 | #if ENABLE_FEATURE_DEB_TAR_BZ2 |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1466 | llist_add_to(&(ar_handle->accept), (char*)"data.tar.bz2"); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1467 | #endif |
| 1468 | |
| 1469 | /* Assign the tar handle as a subarchive of the ar handle */ |
| 1470 | ar_handle->sub_archive = tar_handle; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1471 | } |
| 1472 | |
Eric Andersen | 1393a39 | 2003-09-15 08:06:15 +0000 | [diff] [blame] | 1473 | 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] | 1474 | { |
| 1475 | ar_handle->sub_archive->action_data = data_extract_to_buffer; |
Eric Andersen | 1393a39 | 2003-09-15 08:06:15 +0000 | [diff] [blame] | 1476 | ar_handle->sub_archive->accept = myaccept; |
Paul Fox | 37dd624 | 2005-07-22 13:17:41 +0000 | [diff] [blame] | 1477 | ar_handle->sub_archive->filter = filter_accept_list; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1478 | |
| 1479 | unpack_ar_archive(ar_handle); |
| 1480 | close(ar_handle->src_fd); |
| 1481 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1482 | return ar_handle->sub_archive->buffer; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1483 | } |
| 1484 | |
Glenn L McGrath | 6ab32eb | 2002-11-03 11:57:10 +0000 | [diff] [blame] | 1485 | static void data_extract_all_prefix(archive_handle_t *archive_handle) |
| 1486 | { |
| 1487 | char *name_ptr = archive_handle->file_header->name; |
| 1488 | |
| 1489 | name_ptr += strspn(name_ptr, "./"); |
| 1490 | if (name_ptr[0] != '\0') { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1491 | 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] | 1492 | data_extract_all(archive_handle); |
| 1493 | } |
Glenn L McGrath | 6ab32eb | 2002-11-03 11:57:10 +0000 | [diff] [blame] | 1494 | } |
| 1495 | |
| 1496 | static void unpack_package(deb_file_t *deb_file) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1497 | { |
| 1498 | const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name]; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1499 | const unsigned status_num = search_status_hashtable(package_name); |
| 1500 | const unsigned status_package_num = status_hashtable[status_num]->package; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1501 | char *info_prefix; |
Denis Vlasenko | 1da6a21 | 2006-09-03 16:33:58 +0000 | [diff] [blame] | 1502 | char *list_filename; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1503 | archive_handle_t *archive_handle; |
| 1504 | FILE *out_stream; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1505 | llist_t *accept_list; |
| 1506 | int i; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1507 | |
| 1508 | /* If existing version, remove it first */ |
| 1509 | if (strcmp(name_hashtable[get_status(status_num, 3)], "installed") == 0) { |
| 1510 | /* Package is already installed, remove old version first */ |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1511 | printf("Preparing to replace %s %s (using %s)...\n", package_name, |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1512 | name_hashtable[package_hashtable[status_package_num]->version], |
| 1513 | deb_file->filename); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1514 | remove_package(status_package_num, 0); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1515 | } else { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1516 | printf("Unpacking %s (from %s)...\n", package_name, deb_file->filename); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1517 | } |
| 1518 | |
| 1519 | /* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1520 | info_prefix = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, ""); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1521 | archive_handle = init_archive_deb_ar(deb_file->filename); |
| 1522 | init_archive_deb_control(archive_handle); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1523 | |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1524 | accept_list = NULL; |
| 1525 | i = 0; |
| 1526 | while (i < ARRAY_SIZE(all_control_files)) { |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 1527 | char *c = xasprintf("./%s", all_control_files[i]); |
Rob Landley | 8bb5078 | 2006-05-26 23:44:51 +0000 | [diff] [blame] | 1528 | llist_add_to(&accept_list, c); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1529 | i++; |
| 1530 | } |
| 1531 | archive_handle->sub_archive->accept = accept_list; |
| 1532 | archive_handle->sub_archive->filter = filter_accept_list; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1533 | archive_handle->sub_archive->action_data = data_extract_all_prefix; |
| 1534 | archive_handle->sub_archive->buffer = info_prefix; |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1535 | archive_handle->sub_archive->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1536 | unpack_ar_archive(archive_handle); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1537 | |
| 1538 | /* Run the preinst prior to extracting */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1539 | run_package_script_or_die(package_name, "preinst"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1540 | |
| 1541 | /* Extract data.tar.gz to the root directory */ |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1542 | archive_handle = init_archive_deb_ar(deb_file->filename); |
| 1543 | init_archive_deb_data(archive_handle); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1544 | archive_handle->sub_archive->action_data = data_extract_all_prefix; |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1545 | archive_handle->sub_archive->buffer = (char*)"/"; /* huh? */ |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1546 | archive_handle->sub_archive->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1547 | unpack_ar_archive(archive_handle); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1548 | |
| 1549 | /* Create the list file */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1550 | list_filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "list"); |
Rob Landley | 02496aa | 2006-09-05 13:48:21 +0000 | [diff] [blame] | 1551 | out_stream = xfopen(list_filename, "w"); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1552 | while (archive_handle->sub_archive->passed) { |
| 1553 | /* the leading . has been stripped by data_extract_all_prefix already */ |
| 1554 | fputs(archive_handle->sub_archive->passed->data, out_stream); |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1555 | fputc('\n', out_stream); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1556 | archive_handle->sub_archive->passed = archive_handle->sub_archive->passed->link; |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1557 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1558 | fclose(out_stream); |
| 1559 | |
| 1560 | /* change status */ |
| 1561 | set_status(status_num, "install", 1); |
| 1562 | set_status(status_num, "unpacked", 3); |
| 1563 | |
| 1564 | free(info_prefix); |
Denis Vlasenko | 1da6a21 | 2006-09-03 16:33:58 +0000 | [diff] [blame] | 1565 | free(list_filename); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1566 | } |
| 1567 | |
Eric Andersen | 14f5c8d | 2005-04-16 19:39:00 +0000 | [diff] [blame] | 1568 | static void configure_package(deb_file_t *deb_file) |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1569 | { |
| 1570 | const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name]; |
| 1571 | const char *package_version = name_hashtable[package_hashtable[deb_file->package]->version]; |
| 1572 | const int status_num = search_status_hashtable(package_name); |
| 1573 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1574 | printf("Setting up %s (%s)...\n", package_name, package_version); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1575 | |
| 1576 | /* Run the postinst script */ |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1577 | /* TODO: handle failure gracefully */ |
| 1578 | run_package_script_or_die(package_name, "postinst"); |
| 1579 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1580 | /* Change status to reflect success */ |
| 1581 | set_status(status_num, "install", 1); |
| 1582 | set_status(status_num, "installed", 3); |
| 1583 | } |
Glenn L McGrath | c900575 | 2001-02-10 02:05:24 +0000 | [diff] [blame] | 1584 | |
Denis Vlasenko | 9b49a5e | 2007-10-11 10:05:36 +0000 | [diff] [blame] | 1585 | int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1586 | int dpkg_main(int argc ATTRIBUTE_UNUSED, char **argv) |
Glenn L McGrath | c900575 | 2001-02-10 02:05:24 +0000 | [diff] [blame] | 1587 | { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1588 | deb_file_t **deb_file = NULL; |
| 1589 | status_node_t *status_node; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1590 | char *str_f; |
Matt Kraai | efd7f03 | 2001-11-19 21:07:15 +0000 | [diff] [blame] | 1591 | int opt; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1592 | int package_num; |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1593 | int deb_count = 0; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1594 | int state_status; |
| 1595 | int status_num; |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1596 | int i; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1597 | enum { |
| 1598 | OPT_configure = 0x1, |
| 1599 | OPT_force_ignore_depends = 0x2, |
| 1600 | OPT_install = 0x4, |
| 1601 | OPT_list_installed = 0x8, |
| 1602 | OPT_purge = 0x10, |
| 1603 | OPT_remove = 0x20, |
| 1604 | OPT_unpack = 0x40, |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1605 | }; |
| 1606 | |
Denis Vlasenko | c87339d | 2008-06-21 23:15:43 +0000 | [diff] [blame^] | 1607 | INIT_G(); |
| 1608 | |
Denis Vlasenko | fe7cd64 | 2007-08-18 15:32:12 +0000 | [diff] [blame] | 1609 | opt = getopt32(argv, "CF:ilPru", &str_f); |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1610 | //if (opt & OPT_configure) ... // -C |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1611 | if (opt & OPT_force_ignore_depends) { // -F (--force in official dpkg) |
| 1612 | if (strcmp(str_f, "depends")) |
| 1613 | opt &= ~OPT_force_ignore_depends; |
| 1614 | } |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1615 | //if (opt & OPT_install) ... // -i |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1616 | //if (opt & OPT_list_installed) ... // -l |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1617 | //if (opt & OPT_purge) ... // -P |
| 1618 | //if (opt & OPT_remove) ... // -r |
| 1619 | //if (opt & OPT_unpack) ... // -u (--unpack in official dpkg) |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1620 | argv += optind; |
| 1621 | /* check for non-option argument if expected */ |
Denis Vlasenko | d235f58 | 2008-06-21 22:46:58 +0000 | [diff] [blame] | 1622 | if (!opt || (!argv[0] && !(opt && OPT_list_installed))) |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1623 | bb_show_usage(); |
Glenn L McGrath | 0e757a2 | 2001-04-08 05:27:18 +0000 | [diff] [blame] | 1624 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1625 | /* puts("(Reading database ... xxxxx files and directories installed.)"); */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1626 | index_status_file("/var/lib/dpkg/status"); |
| 1627 | |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1628 | /* if the list action was given print the installed packages and exit */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1629 | if (opt & OPT_list_installed) { |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1630 | list_packages(); |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1631 | return EXIT_SUCCESS; |
Glenn L McGrath | e738661 | 2001-09-21 04:30:51 +0000 | [diff] [blame] | 1632 | } |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 1633 | |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1634 | /* Read arguments and store relevant info in structs */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1635 | while (*argv) { |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1636 | /* deb_count = nb_elem - 1 and we need nb_elem + 1 to allocate terminal node [NULL pointer] */ |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1637 | deb_file = xrealloc(deb_file, sizeof(deb_file[0]) * (deb_count + 2)); |
| 1638 | deb_file[deb_count] = xzalloc(sizeof(deb_file[0][0])); |
| 1639 | if (opt & (OPT_install | OPT_unpack)) { |
| 1640 | /* -i/-u: require filename */ |
Glenn L McGrath | 61b7904 | 2002-10-19 10:40:55 +0000 | [diff] [blame] | 1641 | archive_handle_t *archive_handle; |
Glenn L McGrath | 66125c8 | 2002-12-08 00:54:33 +0000 | [diff] [blame] | 1642 | llist_t *control_list = NULL; |
Glenn L McGrath | d8d1191 | 2002-11-05 13:56:04 +0000 | [diff] [blame] | 1643 | |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1644 | /* Extract the control file */ |
Denis Vlasenko | b6aae0f | 2007-01-29 22:51:25 +0000 | [diff] [blame] | 1645 | llist_add_to(&control_list, (char*)"./control"); |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1646 | archive_handle = init_archive_deb_ar(argv[0]); |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1647 | init_archive_deb_control(archive_handle); |
| 1648 | 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] | 1649 | if (deb_file[deb_count]->control_file == NULL) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1650 | bb_error_msg_and_die("cannot extract control file"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1651 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1652 | deb_file[deb_count]->filename = xstrdup(argv[0]); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1653 | package_num = fill_package_struct(deb_file[deb_count]->control_file); |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1654 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1655 | if (package_num == -1) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1656 | bb_error_msg("invalid control file in %s", argv[0]); |
| 1657 | argv++; |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1658 | continue; |
| 1659 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1660 | deb_file[deb_count]->package = (unsigned) package_num; |
Glenn L McGrath | 747381c | 2002-11-06 22:54:41 +0000 | [diff] [blame] | 1661 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1662 | /* Add the package to the status hashtable */ |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1663 | if (opt & (OPT_unpack | OPT_install)) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1664 | /* Try and find a currently installed version of this package */ |
| 1665 | status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]); |
| 1666 | /* If no previous entry was found initialise a new entry */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1667 | if (status_hashtable[status_num] == NULL |
| 1668 | || status_hashtable[status_num]->status == 0 |
| 1669 | ) { |
Denis Vlasenko | b95636c | 2006-12-19 23:36:04 +0000 | [diff] [blame] | 1670 | status_node = xmalloc(sizeof(status_node_t)); |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1671 | status_node->package = deb_file[deb_count]->package; |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1672 | /* reinstreq isnt changed to "ok" until the package control info |
| 1673 | * is written to the status file*/ |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1674 | status_node->status = search_name_hashtable("install reinstreq not-installed"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1675 | status_hashtable[status_num] = status_node; |
| 1676 | } else { |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1677 | set_status(status_num, "install", 1); |
| 1678 | set_status(status_num, "reinstreq", 2); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1679 | } |
| 1680 | } |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1681 | } else if (opt & (OPT_configure | OPT_purge | OPT_remove)) { |
| 1682 | /* -C/-p/-r: require package name */ |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1683 | deb_file[deb_count]->package = search_package_hashtable( |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1684 | search_name_hashtable(argv[0]), |
| 1685 | search_name_hashtable("ANY"), VER_ANY); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1686 | if (package_hashtable[deb_file[deb_count]->package] == NULL) { |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1687 | 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] | 1688 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1689 | package_num = deb_file[deb_count]->package; |
| 1690 | status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]); |
| 1691 | state_status = get_status(status_num, 3); |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1692 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1693 | /* check package status is "installed" */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1694 | if (opt & OPT_remove) { |
| 1695 | if (strcmp(name_hashtable[state_status], "not-installed") == 0 |
| 1696 | || strcmp(name_hashtable[state_status], "config-files") == 0 |
| 1697 | ) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1698 | 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] | 1699 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1700 | set_status(status_num, "deinstall", 1); |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1701 | } else if (opt & OPT_purge) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1702 | /* if package status is "conf-files" then its ok */ |
| 1703 | if (strcmp(name_hashtable[state_status], "not-installed") == 0) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1704 | 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] | 1705 | } |
Glenn L McGrath | b8c3a54 | 2003-11-28 22:38:14 +0000 | [diff] [blame] | 1706 | set_status(status_num, "purge", 1); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1707 | } |
| 1708 | } |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1709 | deb_count++; |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1710 | argv++; |
Glenn L McGrath | 0e757a2 | 2001-04-08 05:27:18 +0000 | [diff] [blame] | 1711 | } |
Denis Vlasenko | 7fd00cb | 2007-02-15 21:19:50 +0000 | [diff] [blame] | 1712 | if (!deb_count) |
| 1713 | bb_error_msg_and_die("no package files specified"); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1714 | deb_file[deb_count] = NULL; |
Glenn L McGrath | 0e757a2 | 2001-04-08 05:27:18 +0000 | [diff] [blame] | 1715 | |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1716 | /* Check that the deb file arguments are installable */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1717 | if (!(opt & OPT_force_ignore_depends)) { |
Denis Vlasenko | 68404f1 | 2008-03-17 09:00:54 +0000 | [diff] [blame] | 1718 | if (!check_deps(deb_file, 0 /*, deb_count*/)) { |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1719 | bb_error_msg_and_die("dependency check failed"); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1720 | } |
Glenn L McGrath | 0d2fb76 | 2001-10-25 14:26:05 +0000 | [diff] [blame] | 1721 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1722 | |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1723 | /* TODO: install or remove packages in the correct dependency order */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1724 | for (i = 0; i < deb_count; i++) { |
| 1725 | /* Remove or purge packages */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1726 | if (opt & OPT_remove) { |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1727 | remove_package(deb_file[i]->package, 1); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1728 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1729 | else if (opt & OPT_purge) { |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1730 | purge_package(deb_file[i]->package); |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1731 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1732 | else if (opt & OPT_unpack) { |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1733 | unpack_package(deb_file[i]); |
| 1734 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1735 | else if (opt & OPT_install) { |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1736 | unpack_package(deb_file[i]); |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1737 | /* package is configured in second pass below */ |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1738 | } |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1739 | else if (opt & OPT_configure) { |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1740 | configure_package(deb_file[i]); |
| 1741 | } |
| 1742 | } |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1743 | /* configure installed packages */ |
Denis Vlasenko | a6df590 | 2006-12-22 18:32:40 +0000 | [diff] [blame] | 1744 | if (opt & OPT_install) { |
Glenn L McGrath | fea4b44 | 2003-11-26 21:53:37 +0000 | [diff] [blame] | 1745 | for (i = 0; i < deb_count; i++) |
| 1746 | configure_package(deb_file[i]); |
| 1747 | } |
Glenn L McGrath | c3fbec7 | 2001-07-18 15:47:21 +0000 | [diff] [blame] | 1748 | |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1749 | write_status_file(deb_file); |
| 1750 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1751 | if (ENABLE_FEATURE_CLEAN_UP) { |
| 1752 | for (i = 0; i < deb_count; i++) { |
| 1753 | free(deb_file[i]->control_file); |
| 1754 | free(deb_file[i]->filename); |
| 1755 | free(deb_file[i]); |
Glenn L McGrath | a94a06a | 2002-05-29 13:45:34 +0000 | [diff] [blame] | 1756 | } |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1757 | |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1758 | free(deb_file); |
| 1759 | |
| 1760 | for (i = 0; i < NAME_HASH_PRIME; i++) { |
| 1761 | free(name_hashtable[i]); |
| 1762 | } |
| 1763 | |
| 1764 | for (i = 0; i < PACKAGE_HASH_PRIME; i++) { |
Denis Vlasenko | 88a2aa9 | 2007-03-19 21:48:56 +0000 | [diff] [blame] | 1765 | free_package(package_hashtable[i]); |
Denis Vlasenko | 57308af | 2006-09-28 22:34:46 +0000 | [diff] [blame] | 1766 | } |
| 1767 | |
| 1768 | for (i = 0; i < STATUS_HASH_PRIME; i++) { |
| 1769 | free(status_hashtable[i]); |
| 1770 | } |
| 1771 | |
| 1772 | free(status_hashtable); |
| 1773 | free(package_hashtable); |
| 1774 | free(name_hashtable); |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 1775 | } |
Glenn L McGrath | ccd65c9 | 2001-07-13 18:35:24 +0000 | [diff] [blame] | 1776 | |
Denis Vlasenko | 5492884 | 2006-09-28 22:35:42 +0000 | [diff] [blame] | 1777 | return EXIT_SUCCESS; |
Eric Andersen | 67991cf | 2001-02-14 21:23:06 +0000 | [diff] [blame] | 1778 | } |