Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 3 | * wget - retrieve a file using HTTP or FTP |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 4 | * |
Eric Andersen | 4e573f4 | 2000-11-14 23:29:24 +0000 | [diff] [blame] | 5 | * Chip Rosenthal Covad Communications <chip@laserlink.net> |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 6 | * |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 9 | #include <stdio.h> |
Eric Andersen | dff9d54 | 2001-01-26 02:04:49 +0000 | [diff] [blame] | 10 | #include <errno.h> |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 11 | #include <stdlib.h> |
| 12 | #include <unistd.h> |
| 13 | #include <ctype.h> |
| 14 | #include <string.h> |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 15 | #include <unistd.h> |
| 16 | #include <signal.h> |
| 17 | #include <sys/ioctl.h> |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 18 | |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 19 | #include <sys/time.h> |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 20 | #include <sys/types.h> |
| 21 | #include <sys/stat.h> |
| 22 | #include <sys/socket.h> |
| 23 | #include <netinet/in.h> |
| 24 | #include <arpa/inet.h> |
| 25 | #include <netdb.h> |
| 26 | |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 27 | #ifndef _GNU_SOURCE |
| 28 | #define _GNU_SOURCE |
| 29 | #endif |
| 30 | #include <getopt.h> |
| 31 | |
Eric Andersen | cbe31da | 2001-02-20 06:14:08 +0000 | [diff] [blame] | 32 | #include "busybox.h" |
| 33 | |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 34 | /* Stupid libc5 doesn't define this... */ |
| 35 | #ifndef timersub |
| 36 | #define timersub(a, b, result) \ |
| 37 | do { \ |
| 38 | (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ |
| 39 | (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ |
| 40 | if ((result)->tv_usec < 0) { \ |
| 41 | --(result)->tv_sec; \ |
| 42 | (result)->tv_usec += 1000000; \ |
| 43 | } \ |
| 44 | } while (0) |
| 45 | #endif |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 46 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 47 | struct host_info { |
| 48 | char *host; |
| 49 | int port; |
| 50 | char *path; |
| 51 | int is_ftp; |
| 52 | char *user; |
| 53 | }; |
| 54 | |
| 55 | static void parse_url(char *url, struct host_info *h); |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 56 | static FILE *open_socket(char *host, int port); |
| 57 | static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc); |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 58 | static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 59 | |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 60 | /* Globals (can be accessed from signal handlers */ |
| 61 | static off_t filesize = 0; /* content-length of the file */ |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 62 | static int chunked = 0; /* chunked transfer encoding */ |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 63 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Eric Andersen | 20aab26 | 2001-07-19 22:28:02 +0000 | [diff] [blame] | 64 | static void progressmeter(int flag); |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 65 | static char *curfile; /* Name of current file being transferred. */ |
| 66 | static struct timeval start; /* Time a transfer started. */ |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 67 | static volatile unsigned long statbytes = 0; /* Number of bytes transferred so far. */ |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 68 | /* For progressmeter() -- number of seconds before xfer considered "stalled" */ |
Mark Whitley | 59ab025 | 2001-01-23 22:30:04 +0000 | [diff] [blame] | 69 | static const int STALLTIME = 5; |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 70 | #endif |
Eric Andersen | 7d69701 | 2001-01-24 20:28:35 +0000 | [diff] [blame] | 71 | |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 72 | static void close_and_delete_outfile(FILE* output, char *fname_out, int do_continue) |
Eric Andersen | 7d69701 | 2001-01-24 20:28:35 +0000 | [diff] [blame] | 73 | { |
| 74 | if (output != stdout && do_continue==0) { |
| 75 | fclose(output); |
| 76 | unlink(fname_out); |
| 77 | } |
| 78 | } |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 79 | |
Matt Kraai | 854125f | 2001-05-09 19:15:46 +0000 | [diff] [blame] | 80 | /* Read NMEMB elements of SIZE bytes into PTR from STREAM. Returns the |
| 81 | * number of elements read, and a short count if an eof or non-interrupt |
| 82 | * error is encountered. */ |
| 83 | static size_t safe_fread(void *ptr, size_t size, size_t nmemb, FILE *stream) |
| 84 | { |
| 85 | size_t ret = 0; |
| 86 | |
| 87 | do { |
| 88 | clearerr(stream); |
| 89 | ret += fread((char *)ptr + (ret * size), size, nmemb - ret, stream); |
| 90 | } while (ret < nmemb && ferror(stream) && errno == EINTR); |
| 91 | |
| 92 | return ret; |
| 93 | } |
| 94 | |
| 95 | /* Write NMEMB elements of SIZE bytes from PTR to STREAM. Returns the |
| 96 | * number of elements written, and a short count if an eof or non-interrupt |
| 97 | * error is encountered. */ |
| 98 | static size_t safe_fwrite(void *ptr, size_t size, size_t nmemb, FILE *stream) |
| 99 | { |
| 100 | size_t ret = 0; |
| 101 | |
| 102 | do { |
| 103 | clearerr(stream); |
| 104 | ret += fwrite((char *)ptr + (ret * size), size, nmemb - ret, stream); |
| 105 | } while (ret < nmemb && ferror(stream) && errno == EINTR); |
| 106 | |
| 107 | return ret; |
| 108 | } |
| 109 | |
| 110 | /* Read a line or SIZE - 1 bytes into S, whichever is less, from STREAM. |
| 111 | * Returns S, or NULL if an eof or non-interrupt error is encountered. */ |
| 112 | static char *safe_fgets(char *s, int size, FILE *stream) |
| 113 | { |
| 114 | char *ret; |
| 115 | |
| 116 | do { |
| 117 | clearerr(stream); |
| 118 | ret = fgets(s, size, stream); |
| 119 | } while (ret == NULL && ferror(stream) && errno == EINTR); |
| 120 | |
| 121 | return ret; |
| 122 | } |
| 123 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 124 | #define close_delete_and_die(s...) { \ |
| 125 | close_and_delete_outfile(output, fname_out, do_continue); \ |
| 126 | error_msg_and_die(s); } |
| 127 | |
| 128 | |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 129 | #ifdef CONFIG_FEATURE_WGET_AUTHENTICATION |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 130 | /* |
| 131 | * Base64-encode character string |
| 132 | * oops... isn't something similar in uuencode.c? |
| 133 | * It would be better to use already existing code |
| 134 | */ |
| 135 | char *base64enc(char *p, char *buf, int len) { |
| 136 | |
| 137 | char al[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" |
| 138 | "0123456789+/"; |
| 139 | char *s = buf; |
| 140 | |
| 141 | while(*p) { |
| 142 | if (s >= buf+len-4) |
| 143 | error_msg_and_die("buffer overflow"); |
| 144 | *(s++) = al[(*p >> 2) & 0x3F]; |
| 145 | *(s++) = al[((*p << 4) & 0x30) | ((*(p+1) >> 4) & 0x0F)]; |
| 146 | *s = *(s+1) = '='; |
| 147 | *(s+2) = 0; |
| 148 | if (! *(++p)) break; |
| 149 | *(s++) = al[((*p << 2) & 0x3C) | ((*(p+1) >> 6) & 0x03)]; |
| 150 | if (! *(++p)) break; |
| 151 | *(s++) = al[*(p++) & 0x3F]; |
| 152 | } |
| 153 | |
| 154 | return buf; |
| 155 | } |
| 156 | #endif |
| 157 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 158 | int wget_main(int argc, char **argv) |
| 159 | { |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 160 | int n, try=5, status; |
| 161 | int port; |
Robert Griebl | d776011 | 2002-05-14 23:36:45 +0000 | [diff] [blame] | 162 | char *proxy = 0; |
Eric Andersen | 8071c02 | 2001-06-21 19:45:06 +0000 | [diff] [blame] | 163 | char *dir_prefix=NULL; |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 164 | char *s, buf[512]; |
| 165 | struct stat sbuf; |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 166 | char extra_headers[1024]; |
| 167 | char *extra_headers_ptr = extra_headers; |
| 168 | int extra_headers_left = sizeof(extra_headers); |
| 169 | int which_long_opt = 0, option_index = -1; |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 170 | struct host_info server, target; |
| 171 | |
| 172 | FILE *sfp = NULL; /* socket to web/ftp server */ |
| 173 | FILE *dfp = NULL; /* socket to ftp server (data) */ |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 174 | char *fname_out = NULL; /* where to direct output (-O) */ |
| 175 | int do_continue = 0; /* continue a prev transfer (-c) */ |
| 176 | long beg_range = 0L; /* range at which continue begins */ |
| 177 | int got_clen = 0; /* got content-length: from server */ |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 178 | FILE *output; /* socket to web server */ |
| 179 | int quiet_flag = FALSE; /* Be verry, verry quiet... */ |
Robert Griebl | d776011 | 2002-05-14 23:36:45 +0000 | [diff] [blame] | 180 | int noproxy = 0; /* Use proxies if env vars are set */ |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 181 | |
Robert Griebl | e8fcf4b | 2002-07-12 00:04:46 +0000 | [diff] [blame] | 182 | #define LONG_HEADER 1 |
| 183 | #define LONG_PASSIVE 2 |
| 184 | |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 185 | struct option long_options[] = { |
Robert Griebl | e8fcf4b | 2002-07-12 00:04:46 +0000 | [diff] [blame] | 186 | { "continue", 0, NULL, 'c' }, |
| 187 | { "quiet", 0, NULL, 'q' }, |
| 188 | { "output-document", 1, NULL, 'O' }, |
| 189 | { "header", 1, &which_long_opt, LONG_HEADER }, |
| 190 | { "proxy", 1, NULL, 'Y' }, |
| 191 | { "passive-ftp", 0, &which_long_opt, LONG_PASSIVE }, |
| 192 | { 0, 0, 0, 0 } |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 193 | }; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 194 | /* |
| 195 | * Crack command line. |
| 196 | */ |
Robert Griebl | d776011 | 2002-05-14 23:36:45 +0000 | [diff] [blame] | 197 | while ((n = getopt_long(argc, argv, "cqO:P:Y:", long_options, &option_index)) != EOF) { |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 198 | switch (n) { |
| 199 | case 'c': |
| 200 | ++do_continue; |
| 201 | break; |
Eric Andersen | 8071c02 | 2001-06-21 19:45:06 +0000 | [diff] [blame] | 202 | case 'P': |
Matt Kraai | 0382eb8 | 2001-07-19 19:13:55 +0000 | [diff] [blame] | 203 | dir_prefix = optarg; |
Eric Andersen | 8071c02 | 2001-06-21 19:45:06 +0000 | [diff] [blame] | 204 | break; |
Glenn L McGrath | 1bca5ed | 2000-12-09 08:12:06 +0000 | [diff] [blame] | 205 | case 'q': |
| 206 | quiet_flag = TRUE; |
| 207 | break; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 208 | case 'O': |
Randolph Chung | 02553a2 | 2000-12-07 03:53:47 +0000 | [diff] [blame] | 209 | /* can't set fname_out to NULL if outputting to stdout, because |
| 210 | * this gets interpreted as the auto-gen output filename |
| 211 | * case below - tausq@debian.org |
| 212 | */ |
Matt Kraai | 65317ea | 2001-04-11 20:03:01 +0000 | [diff] [blame] | 213 | fname_out = optarg; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 214 | break; |
Robert Griebl | d776011 | 2002-05-14 23:36:45 +0000 | [diff] [blame] | 215 | case 'Y': |
| 216 | if (strcmp(optarg, "off") == 0) |
| 217 | noproxy=1; |
| 218 | break; |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 219 | case 0: |
| 220 | switch (which_long_opt) { |
| 221 | case LONG_HEADER: { |
| 222 | int arglen = strlen(optarg); |
| 223 | if(extra_headers_left - arglen - 2 <= 0) |
| 224 | error_msg_and_die("extra_headers buffer too small(need %i)", extra_headers_left - arglen); |
| 225 | strcpy(extra_headers_ptr, optarg); |
| 226 | extra_headers_ptr += arglen; |
| 227 | extra_headers_left -= ( arglen + 2 ); |
| 228 | *extra_headers_ptr++ = '\r'; |
| 229 | *extra_headers_ptr++ = '\n'; |
| 230 | *(extra_headers_ptr + 1) = 0; |
| 231 | break; |
| 232 | } |
Robert Griebl | e8fcf4b | 2002-07-12 00:04:46 +0000 | [diff] [blame] | 233 | case LONG_PASSIVE: |
| 234 | // ignore -- we always use passive mode |
| 235 | break; |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 236 | } |
| 237 | break; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 238 | default: |
Eric Andersen | 67991cf | 2001-02-14 21:23:06 +0000 | [diff] [blame] | 239 | show_usage(); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 240 | } |
| 241 | } |
Eric Andersen | 25b669c | 2000-10-02 23:19:38 +0000 | [diff] [blame] | 242 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 243 | if (argc - optind != 1) |
Eric Andersen | 67991cf | 2001-02-14 21:23:06 +0000 | [diff] [blame] | 244 | show_usage(); |
Eric Andersen | 25b669c | 2000-10-02 23:19:38 +0000 | [diff] [blame] | 245 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 246 | parse_url(argv[optind], &target); |
| 247 | server.host = target.host; |
| 248 | server.port = target.port; |
| 249 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 250 | /* |
Eric Andersen | f3b2b52 | 2000-12-07 22:42:11 +0000 | [diff] [blame] | 251 | * Use the proxy if necessary. |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 252 | */ |
Robert Griebl | d776011 | 2002-05-14 23:36:45 +0000 | [diff] [blame] | 253 | if (!noproxy) { |
| 254 | proxy = getenv(target.is_ftp ? "ftp_proxy" : "http_proxy"); |
| 255 | if (proxy) |
| 256 | parse_url(xstrdup(proxy), &server); |
| 257 | } |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 258 | |
| 259 | /* Guess an output filename */ |
| 260 | if (!fname_out) { |
| 261 | fname_out = |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 262 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 263 | curfile = |
| 264 | #endif |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 265 | get_last_path_component(target.path); |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 266 | if (fname_out==NULL || strlen(fname_out)<1) { |
| 267 | fname_out = |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 268 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 269 | curfile = |
| 270 | #endif |
| 271 | "index.html"; |
| 272 | } |
Matt Kraai | 0382eb8 | 2001-07-19 19:13:55 +0000 | [diff] [blame] | 273 | if (dir_prefix != NULL) |
| 274 | fname_out = concat_path_file(dir_prefix, fname_out); |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 275 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 276 | } else { |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 277 | curfile = get_last_path_component(fname_out); |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 278 | #endif |
| 279 | } |
Eric Andersen | 7d69701 | 2001-01-24 20:28:35 +0000 | [diff] [blame] | 280 | if (do_continue && !fname_out) |
Matt Kraai | dd19c69 | 2001-01-31 19:00:21 +0000 | [diff] [blame] | 281 | error_msg_and_die("cannot specify continue (-c) without a filename (-O)"); |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 282 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 283 | |
| 284 | /* |
Eric Andersen | 29edd00 | 2000-12-09 16:55:35 +0000 | [diff] [blame] | 285 | * Open the output file stream. |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 286 | */ |
Matt Kraai | 65317ea | 2001-04-11 20:03:01 +0000 | [diff] [blame] | 287 | if (strcmp(fname_out, "-") == 0) { |
Randolph Chung | 02553a2 | 2000-12-07 03:53:47 +0000 | [diff] [blame] | 288 | output = stdout; |
Eric Andersen | 95a349f | 2001-05-13 00:55:54 +0000 | [diff] [blame] | 289 | quiet_flag = TRUE; |
Matt Kraai | 65317ea | 2001-04-11 20:03:01 +0000 | [diff] [blame] | 290 | } else { |
| 291 | output = xfopen(fname_out, (do_continue ? "a" : "w")); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | /* |
| 295 | * Determine where to start transfer. |
| 296 | */ |
| 297 | if (do_continue) { |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 298 | if (fstat(fileno(output), &sbuf) < 0) |
Matt Kraai | 0dab829 | 2000-12-18 03:08:29 +0000 | [diff] [blame] | 299 | perror_msg_and_die("fstat()"); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 300 | if (sbuf.st_size > 0) |
| 301 | beg_range = sbuf.st_size; |
| 302 | else |
| 303 | do_continue = 0; |
| 304 | } |
| 305 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 306 | if (proxy || !target.is_ftp) { |
| 307 | /* |
| 308 | * HTTP session |
| 309 | */ |
| 310 | do { |
| 311 | if (! --try) |
| 312 | close_delete_and_die("too many redirections"); |
Eric Andersen | 7d69701 | 2001-01-24 20:28:35 +0000 | [diff] [blame] | 313 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 314 | /* |
| 315 | * Open socket to http server |
| 316 | */ |
| 317 | if (sfp) fclose(sfp); |
| 318 | sfp = open_socket(server.host, server.port); |
| 319 | |
| 320 | /* |
| 321 | * Send HTTP request. |
| 322 | */ |
| 323 | if (proxy) { |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 324 | fprintf(sfp, "GET %stp://%s:%d/%s HTTP/1.1\r\n", |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 325 | target.is_ftp ? "f" : "ht", target.host, |
| 326 | target.port, target.path); |
| 327 | } else { |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 328 | fprintf(sfp, "GET /%s HTTP/1.1\r\n", target.path); |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 329 | } |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 330 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 331 | fprintf(sfp, "Host: %s\r\nUser-Agent: Wget\r\n", target.host); |
| 332 | |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 333 | #ifdef CONFIG_FEATURE_WGET_AUTHENTICATION |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 334 | if (target.user) { |
| 335 | fprintf(sfp, "Authorization: Basic %s\r\n", |
| 336 | base64enc(target.user, buf, sizeof(buf))); |
| 337 | } |
| 338 | if (proxy && server.user) { |
| 339 | fprintf(sfp, "Proxy-Authorization: Basic %s\r\n", |
| 340 | base64enc(server.user, buf, sizeof(buf))); |
| 341 | } |
| 342 | #endif |
| 343 | |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 344 | if (do_continue) |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 345 | fprintf(sfp, "Range: bytes=%ld-\r\n", beg_range); |
Eric Andersen | 50ae310 | 2001-05-15 17:51:37 +0000 | [diff] [blame] | 346 | if(extra_headers_left < sizeof(extra_headers)) |
Eric Andersen | 9abfe85 | 2001-05-15 20:11:49 +0000 | [diff] [blame] | 347 | fputs(extra_headers,sfp); |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 348 | fprintf(sfp,"Connection: close\r\n\r\n"); |
| 349 | |
| 350 | /* |
| 351 | * Retrieve HTTP response line and check for "200" status code. |
| 352 | */ |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 353 | read_response: if (fgets(buf, sizeof(buf), sfp) == NULL) |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 354 | close_delete_and_die("no response from server"); |
| 355 | |
| 356 | for (s = buf ; *s != '\0' && !isspace(*s) ; ++s) |
| 357 | ; |
| 358 | for ( ; isspace(*s) ; ++s) |
| 359 | ; |
| 360 | switch (status = atoi(s)) { |
| 361 | case 0: |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 362 | case 100: |
| 363 | while (gethdr(buf, sizeof(buf), sfp, &n) != NULL); |
| 364 | goto read_response; |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 365 | case 200: |
| 366 | if (do_continue && output != stdout) |
| 367 | output = freopen(fname_out, "w", output); |
| 368 | do_continue = 0; |
| 369 | break; |
| 370 | case 300: /* redirection */ |
| 371 | case 301: |
| 372 | case 302: |
| 373 | case 303: |
| 374 | break; |
| 375 | case 206: |
| 376 | if (do_continue) |
| 377 | break; |
| 378 | /*FALLTHRU*/ |
| 379 | default: |
| 380 | chomp(buf); |
| 381 | close_delete_and_die("server returned error %d: %s", atoi(s), buf); |
| 382 | } |
| 383 | |
| 384 | /* |
| 385 | * Retrieve HTTP headers. |
| 386 | */ |
| 387 | while ((s = gethdr(buf, sizeof(buf), sfp, &n)) != NULL) { |
| 388 | if (strcasecmp(buf, "content-length") == 0) { |
| 389 | filesize = atol(s); |
| 390 | got_clen = 1; |
| 391 | continue; |
| 392 | } |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 393 | if (strcasecmp(buf, "transfer-encoding") == 0) { |
| 394 | if (strcasecmp(s, "chunked") == 0) { |
| 395 | chunked = got_clen = 1; |
| 396 | } else { |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 397 | close_delete_and_die("server wants to do %s transfer encoding", s); |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 398 | } |
| 399 | } |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 400 | if (strcasecmp(buf, "location") == 0) { |
| 401 | if (s[0] == '/') |
| 402 | target.path = xstrdup(s+1); |
| 403 | else { |
| 404 | parse_url(xstrdup(s), &target); |
| 405 | if (!proxy) { |
| 406 | server.host = target.host; |
| 407 | server.port = target.port; |
| 408 | } |
| 409 | } |
| 410 | } |
| 411 | } |
| 412 | } while(status >= 300); |
| 413 | |
| 414 | dfp = sfp; |
| 415 | } |
| 416 | else |
| 417 | { |
| 418 | /* |
| 419 | * FTP session |
| 420 | */ |
| 421 | if (! target.user) |
| 422 | target.user = xstrdup("anonymous:busybox@"); |
| 423 | |
| 424 | sfp = open_socket(server.host, server.port); |
| 425 | if (ftpcmd(NULL, NULL, sfp, buf) != 220) |
| 426 | close_delete_and_die("%s", buf+4); |
| 427 | |
| 428 | /* |
| 429 | * Splitting username:password pair, |
| 430 | * trying to log in |
| 431 | */ |
| 432 | s = strchr(target.user, ':'); |
| 433 | if (s) |
| 434 | *(s++) = '\0'; |
| 435 | switch(ftpcmd("USER ", target.user, sfp, buf)) { |
| 436 | case 230: |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 437 | break; |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 438 | case 331: |
| 439 | if (ftpcmd("PASS ", s, sfp, buf) == 230) |
| 440 | break; |
| 441 | /* FALLTHRU (failed login) */ |
| 442 | default: |
| 443 | close_delete_and_die("ftp login: %s", buf+4); |
| 444 | } |
| 445 | |
| 446 | ftpcmd("CDUP", NULL, sfp, buf); |
| 447 | ftpcmd("TYPE I", NULL, sfp, buf); |
| 448 | |
| 449 | /* |
| 450 | * Querying file size |
| 451 | */ |
| 452 | if (ftpcmd("SIZE /", target.path, sfp, buf) == 213) { |
| 453 | filesize = atol(buf+4); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 454 | got_clen = 1; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 455 | } |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 456 | |
| 457 | /* |
| 458 | * Entering passive mode |
| 459 | */ |
| 460 | if (ftpcmd("PASV", NULL, sfp, buf) != 227) |
| 461 | close_delete_and_die("PASV: %s", buf+4); |
| 462 | s = strrchr(buf, ','); |
| 463 | *s = 0; |
| 464 | port = atoi(s+1); |
| 465 | s = strrchr(buf, ','); |
| 466 | port += atoi(s+1) * 256; |
| 467 | dfp = open_socket(server.host, port); |
| 468 | |
| 469 | if (do_continue) { |
| 470 | sprintf(buf, "REST %ld", beg_range); |
| 471 | if (ftpcmd(buf, NULL, sfp, buf) != 350) { |
| 472 | if (output != stdout) |
| 473 | output = freopen(fname_out, "w", output); |
| 474 | do_continue = 0; |
| 475 | } else |
| 476 | filesize -= beg_range; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 477 | } |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 478 | |
| 479 | if (ftpcmd("RETR /", target.path, sfp, buf) > 150) |
| 480 | close_delete_and_die("RETR: %s", buf+4); |
| 481 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 482 | } |
| 483 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 484 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 485 | /* |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 486 | * Retrieve file |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 487 | */ |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 488 | if (chunked) { |
| 489 | fgets(buf, sizeof(buf), dfp); |
| 490 | filesize = strtol(buf, (char **) NULL, 16); |
| 491 | } |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 492 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Glenn L McGrath | 1bca5ed | 2000-12-09 08:12:06 +0000 | [diff] [blame] | 493 | if (quiet_flag==FALSE) |
| 494 | progressmeter(-1); |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 495 | #endif |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 496 | do { |
Matt Kraai | 854125f | 2001-05-09 19:15:46 +0000 | [diff] [blame] | 497 | while ((filesize > 0 || !got_clen) && (n = safe_fread(buf, 1, chunked ? (filesize > sizeof(buf) ? sizeof(buf) : filesize) : sizeof(buf), dfp)) > 0) { |
Matt Kraai | 272a955 | 2002-04-17 15:33:24 +0000 | [diff] [blame] | 498 | if (safe_fwrite(buf, 1, n, output) != n) |
| 499 | perror_msg_and_die("write error"); |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 500 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 501 | statbytes+=n; |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 502 | #endif |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 503 | if (got_clen) |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 504 | filesize -= n; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 505 | } |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 506 | |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 507 | if (chunked) { |
Matt Kraai | 854125f | 2001-05-09 19:15:46 +0000 | [diff] [blame] | 508 | safe_fgets(buf, sizeof(buf), dfp); /* This is a newline */ |
| 509 | safe_fgets(buf, sizeof(buf), dfp); |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 510 | filesize = strtol(buf, (char **) NULL, 16); |
| 511 | if (filesize==0) chunked = 0; /* all done! */ |
| 512 | } |
| 513 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 514 | if (n == 0 && ferror(dfp)) |
Mark Whitley | f57c944 | 2000-12-07 19:56:48 +0000 | [diff] [blame] | 515 | perror_msg_and_die("network read error"); |
Eric Andersen | 6d7fa43 | 2001-04-10 18:17:05 +0000 | [diff] [blame] | 516 | } while (chunked); |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 517 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 518 | if (quiet_flag==FALSE) |
| 519 | progressmeter(1); |
| 520 | #endif |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 521 | if (!proxy && target.is_ftp) { |
| 522 | fclose(dfp); |
| 523 | if (ftpcmd(NULL, NULL, sfp, buf) != 226) |
| 524 | error_msg_and_die("ftp error: %s", buf+4); |
| 525 | ftpcmd("QUIT", NULL, sfp, buf); |
| 526 | } |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 527 | exit(EXIT_SUCCESS); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 528 | } |
| 529 | |
| 530 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 531 | void parse_url(char *url, struct host_info *h) |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 532 | { |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 533 | char *cp, *sp, *up; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 534 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 535 | if (strncmp(url, "http://", 7) == 0) { |
| 536 | h->port = 80; |
| 537 | h->host = url + 7; |
| 538 | h->is_ftp = 0; |
| 539 | } else if (strncmp(url, "ftp://", 6) == 0) { |
| 540 | h->port = 21; |
| 541 | h->host = url + 6; |
| 542 | h->is_ftp = 1; |
| 543 | } else |
| 544 | error_msg_and_die("not an http or ftp url: %s", url); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 545 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 546 | sp = strchr(h->host, '/'); |
Matt Kraai | a9711a5 | 2001-01-03 16:15:15 +0000 | [diff] [blame] | 547 | if (sp != NULL) { |
| 548 | *sp++ = '\0'; |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 549 | h->path = sp; |
Matt Kraai | a9711a5 | 2001-01-03 16:15:15 +0000 | [diff] [blame] | 550 | } else |
Matt Kraai | 0efab33 | 2002-03-19 15:22:42 +0000 | [diff] [blame] | 551 | h->path = xstrdup(""); |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 552 | |
| 553 | up = strrchr(h->host, '@'); |
| 554 | if (up != NULL) { |
| 555 | h->user = h->host; |
| 556 | *up++ = '\0'; |
| 557 | h->host = up; |
| 558 | } else |
| 559 | h->user = NULL; |
| 560 | |
| 561 | cp = strchr(h->host, ':'); |
| 562 | if (cp != NULL) { |
| 563 | *cp++ = '\0'; |
| 564 | h->port = atoi(cp); |
| 565 | } |
| 566 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | |
| 570 | FILE *open_socket(char *host, int port) |
| 571 | { |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 572 | int fd; |
| 573 | FILE *fp; |
Eric Andersen | 0b31586 | 2002-07-03 11:51:44 +0000 | [diff] [blame] | 574 | char port_str[10]; |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 575 | |
Eric Andersen | 0b31586 | 2002-07-03 11:51:44 +0000 | [diff] [blame] | 576 | snprintf(port_str, sizeof(port_str), "%d", port); |
| 577 | fd=xconnect(host, port_str); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 578 | |
| 579 | /* |
| 580 | * Get the server onto a stdio stream. |
| 581 | */ |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 582 | if ((fp = fdopen(fd, "r+")) == NULL) |
Mark Whitley | f57c944 | 2000-12-07 19:56:48 +0000 | [diff] [blame] | 583 | perror_msg_and_die("fdopen()"); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 584 | |
| 585 | return fp; |
| 586 | } |
| 587 | |
| 588 | |
| 589 | char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc) |
| 590 | { |
| 591 | char *s, *hdrval; |
| 592 | int c; |
| 593 | |
| 594 | *istrunc = 0; |
| 595 | |
| 596 | /* retrieve header line */ |
| 597 | if (fgets(buf, bufsiz, fp) == NULL) |
| 598 | return NULL; |
| 599 | |
| 600 | /* see if we are at the end of the headers */ |
| 601 | for (s = buf ; *s == '\r' ; ++s) |
| 602 | ; |
| 603 | if (s[0] == '\n') |
| 604 | return NULL; |
| 605 | |
| 606 | /* convert the header name to lower case */ |
| 607 | for (s = buf ; isalnum(*s) || *s == '-' ; ++s) |
| 608 | *s = tolower(*s); |
| 609 | |
| 610 | /* verify we are at the end of the header name */ |
| 611 | if (*s != ':') |
Matt Kraai | dd19c69 | 2001-01-31 19:00:21 +0000 | [diff] [blame] | 612 | error_msg_and_die("bad header line: %s", buf); |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 613 | |
| 614 | /* locate the start of the header value */ |
| 615 | for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s) |
| 616 | ; |
| 617 | hdrval = s; |
| 618 | |
| 619 | /* locate the end of header */ |
| 620 | while (*s != '\0' && *s != '\r' && *s != '\n') |
| 621 | ++s; |
| 622 | |
| 623 | /* end of header found */ |
| 624 | if (*s != '\0') { |
| 625 | *s = '\0'; |
| 626 | return hdrval; |
| 627 | } |
| 628 | |
Eric Andersen | 5d63884 | 2000-09-14 21:46:30 +0000 | [diff] [blame] | 629 | /* Rats! The buffer isn't big enough to hold the entire header value. */ |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 630 | while (c = getc(fp), c != EOF && c != '\n') |
| 631 | ; |
| 632 | *istrunc = 1; |
| 633 | return hdrval; |
| 634 | } |
| 635 | |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 636 | static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf) |
| 637 | { |
| 638 | char *p; |
| 639 | |
| 640 | if (s1) { |
| 641 | if (!s2) s2=""; |
Eric Andersen | 3f1cf45 | 2003-03-11 18:03:39 +0000 | [diff] [blame^] | 642 | fprintf(fp, "%s%s\r\n", s1, s2); |
Eric Andersen | 79757c9 | 2001-04-05 21:45:54 +0000 | [diff] [blame] | 643 | fflush(fp); |
| 644 | } |
| 645 | |
| 646 | do { |
| 647 | p = fgets(buf, 510, fp); |
| 648 | if (!p) |
| 649 | perror_msg_and_die("fgets()"); |
| 650 | } while (! isdigit(buf[0]) || buf[3] != ' '); |
| 651 | |
| 652 | return atoi(buf); |
| 653 | } |
| 654 | |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 655 | #ifdef CONFIG_FEATURE_WGET_STATUSBAR |
Eric Andersen | 4e573f4 | 2000-11-14 23:29:24 +0000 | [diff] [blame] | 656 | /* Stuff below is from BSD rcp util.c, as added to openshh. |
| 657 | * Original copyright notice is retained at the end of this file. |
| 658 | * |
| 659 | */ |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 660 | |
| 661 | |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 662 | static int |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 663 | getttywidth(void) |
| 664 | { |
| 665 | struct winsize winsize; |
| 666 | |
| 667 | if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1) |
| 668 | return (winsize.ws_col ? winsize.ws_col : 80); |
| 669 | else |
| 670 | return (80); |
| 671 | } |
| 672 | |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 673 | static void |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 674 | updateprogressmeter(int ignore) |
| 675 | { |
| 676 | int save_errno = errno; |
| 677 | |
| 678 | progressmeter(0); |
| 679 | errno = save_errno; |
| 680 | } |
| 681 | |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 682 | static void |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 683 | alarmtimer(int wait) |
| 684 | { |
| 685 | struct itimerval itv; |
| 686 | |
| 687 | itv.it_value.tv_sec = wait; |
| 688 | itv.it_value.tv_usec = 0; |
| 689 | itv.it_interval = itv.it_value; |
| 690 | setitimer(ITIMER_REAL, &itv, NULL); |
| 691 | } |
| 692 | |
| 693 | |
Eric Andersen | 3e6ff90 | 2001-03-09 21:24:12 +0000 | [diff] [blame] | 694 | static void |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 695 | progressmeter(int flag) |
| 696 | { |
| 697 | static const char prefixes[] = " KMGTP"; |
| 698 | static struct timeval lastupdate; |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 699 | static off_t lastsize, totalsize; |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 700 | struct timeval now, td, wait; |
| 701 | off_t cursize, abbrevsize; |
| 702 | double elapsed; |
| 703 | int ratio, barlength, i, remaining; |
| 704 | char buf[256]; |
| 705 | |
| 706 | if (flag == -1) { |
| 707 | (void) gettimeofday(&start, (struct timezone *) 0); |
| 708 | lastupdate = start; |
| 709 | lastsize = 0; |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 710 | totalsize = filesize; /* as filesize changes.. */ |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | (void) gettimeofday(&now, (struct timezone *) 0); |
| 714 | cursize = statbytes; |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 715 | if (totalsize != 0 && !chunked) { |
| 716 | ratio = 100.0 * cursize / totalsize; |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 717 | ratio = MAX(ratio, 0); |
| 718 | ratio = MIN(ratio, 100); |
| 719 | } else |
| 720 | ratio = 100; |
| 721 | |
| 722 | snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio); |
| 723 | |
| 724 | barlength = getttywidth() - 51; |
| 725 | if (barlength > 0) { |
| 726 | i = barlength * ratio / 100; |
| 727 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 728 | "|%.*s%*s|", i, |
| 729 | "*****************************************************************************" |
| 730 | "*****************************************************************************", |
| 731 | barlength - i, ""); |
| 732 | } |
| 733 | i = 0; |
| 734 | abbrevsize = cursize; |
| 735 | while (abbrevsize >= 100000 && i < sizeof(prefixes)) { |
| 736 | i++; |
| 737 | abbrevsize >>= 10; |
| 738 | } |
| 739 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5d %c%c ", |
| 740 | (int) abbrevsize, prefixes[i], prefixes[i] == ' ' ? ' ' : |
| 741 | 'B'); |
| 742 | |
| 743 | timersub(&now, &lastupdate, &wait); |
| 744 | if (cursize > lastsize) { |
| 745 | lastupdate = now; |
| 746 | lastsize = cursize; |
| 747 | if (wait.tv_sec >= STALLTIME) { |
| 748 | start.tv_sec += wait.tv_sec; |
| 749 | start.tv_usec += wait.tv_usec; |
| 750 | } |
| 751 | wait.tv_sec = 0; |
| 752 | } |
| 753 | timersub(&now, &start, &td); |
| 754 | elapsed = td.tv_sec + (td.tv_usec / 1000000.0); |
| 755 | |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 756 | if (wait.tv_sec >= STALLTIME) { |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 757 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 758 | " - stalled -"); |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 759 | } else if (statbytes <= 0 || elapsed <= 0.0 || cursize > totalsize || chunked) { |
| 760 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 761 | " --:-- ETA"); |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 762 | } else { |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 763 | remaining = (int) (totalsize / (statbytes / elapsed) - elapsed); |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 764 | i = remaining / 3600; |
| 765 | if (i) |
| 766 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 767 | "%2d:", i); |
| 768 | else |
| 769 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 770 | " "); |
| 771 | i = remaining % 3600; |
| 772 | snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), |
| 773 | "%02d:%02d ETA", i / 60, i % 60); |
| 774 | } |
Randolph Chung | da7b829 | 2000-12-07 03:55:35 +0000 | [diff] [blame] | 775 | write(fileno(stderr), buf, strlen(buf)); |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 776 | |
| 777 | if (flag == -1) { |
| 778 | struct sigaction sa; |
| 779 | sa.sa_handler = updateprogressmeter; |
| 780 | sigemptyset(&sa.sa_mask); |
| 781 | sa.sa_flags = SA_RESTART; |
| 782 | sigaction(SIGALRM, &sa, NULL); |
| 783 | alarmtimer(1); |
| 784 | } else if (flag == 1) { |
| 785 | alarmtimer(0); |
| 786 | statbytes = 0; |
Mark Whitley | 30ac01c | 2001-04-17 18:13:16 +0000 | [diff] [blame] | 787 | putc('\n', stderr); |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 788 | } |
| 789 | } |
| 790 | #endif |
Eric Andersen | 4e573f4 | 2000-11-14 23:29:24 +0000 | [diff] [blame] | 791 | |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 792 | /* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff, |
Eric Andersen | 4e573f4 | 2000-11-14 23:29:24 +0000 | [diff] [blame] | 793 | * much of which was blatently stolen from openssh. */ |
| 794 | |
| 795 | /*- |
| 796 | * Copyright (c) 1992, 1993 |
| 797 | * The Regents of the University of California. All rights reserved. |
| 798 | * |
| 799 | * Redistribution and use in source and binary forms, with or without |
| 800 | * modification, are permitted provided that the following conditions |
| 801 | * are met: |
| 802 | * 1. Redistributions of source code must retain the above copyright |
| 803 | * notice, this list of conditions and the following disclaimer. |
| 804 | * 2. Redistributions in binary form must reproduce the above copyright |
| 805 | * notice, this list of conditions and the following disclaimer in the |
| 806 | * documentation and/or other materials provided with the distribution. |
| 807 | * |
| 808 | * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change |
| 809 | * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change> |
| 810 | * |
| 811 | * 4. Neither the name of the University nor the names of its contributors |
| 812 | * may be used to endorse or promote products derived from this software |
| 813 | * without specific prior written permission. |
| 814 | * |
| 815 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 816 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 817 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 818 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 819 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 820 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 821 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 822 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 823 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 824 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 825 | * SUCH DAMAGE. |
| 826 | * |
Eric Andersen | 3f1cf45 | 2003-03-11 18:03:39 +0000 | [diff] [blame^] | 827 | * $Id: wget.c,v 1.52 2003/03/11 18:03:39 andersen Exp $ |
Eric Andersen | 4e573f4 | 2000-11-14 23:29:24 +0000 | [diff] [blame] | 828 | */ |
| 829 | |
| 830 | |
| 831 | |
Eric Andersen | 9670083 | 2000-09-04 15:15:55 +0000 | [diff] [blame] | 832 | /* |
| 833 | Local Variables: |
| 834 | c-file-style: "linux" |
| 835 | c-basic-offset: 4 |
| 836 | tab-width: 4 |
| 837 | End: |
| 838 | */ |
Eric Andersen | b520e08 | 2000-10-03 00:21:45 +0000 | [diff] [blame] | 839 | |
Eric Andersen | 4e573f4 | 2000-11-14 23:29:24 +0000 | [diff] [blame] | 840 | |
| 841 | |