1 /*- 2 * Copyright (c) 1998 Dag-Erling Co�dan Sm�rgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* 32 * The base64 code in this file is based on code from MIT fetch, which 33 * has the following copyright and license: 34 * 35 *- 36 * Copyright 1997 Massachusetts Institute of Technology 37 * 38 * Permission to use, copy, modify, and distribute this software and 39 * its documentation for any purpose and without fee is hereby 40 * granted, provided that both the above copyright notice and this 41 * permission notice appear in all copies, that both the above 42 * copyright notice and this permission notice appear in all 43 * supporting documentation, and that the name of M.I.T. not be used 44 * in advertising or publicity pertaining to distribution of the 45 * software without specific, written prior permission. M.I.T. makes 46 * no representations about the suitability of this software for any 47 * purpose. It is provided "as is" without express or implied 48 * warranty. 49 * 50 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 51 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 52 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 53 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 54 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 57 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 58 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 59 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 60 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. */ 62 63 #include <sys/param.h> 64 #include <sys/socket.h> 65 66 #include <err.h> 67 #include <ctype.h> 68 #include <locale.h> 69 #include <netdb.h> 70 #include <stdarg.h> 71 #include <stdio.h> 72 #include <stdlib.h> 73 #include <string.h> 74 #include <time.h> 75 #include <unistd.h> 76 77 #include "fetch.h" 78 #include "common.h" 79 #include "httperr.h" 80 81 extern char *__progname; 82 83 #define ENDL "\r\n" 84 85 #define HTTP_OK 200 86 #define HTTP_PARTIAL 206 87 #define HTTP_MOVED 302 88 89 struct cookie 90 { 91 FILE *real_f; 92 #define ENC_NONE 0 93 #define ENC_CHUNKED 1 94 int encoding; /* 1 = chunked, 0 = none */ 95 #define HTTPCTYPELEN 59 96 char content_type[HTTPCTYPELEN+1]; 97 char *buf; 98 int b_cur, eof; 99 unsigned b_len, chunksize; 100 }; 101 102 /* 103 * Send a formatted line; optionally echo to terminal 104 */ 105 static int 106 _http_cmd(FILE *f, char *fmt, ...) 107 { 108 va_list ap; 109 110 va_start(ap, fmt); 111 vfprintf(f, fmt, ap); 112 DEBUG(fprintf(stderr, "\033[1m>>> ")); 113 DEBUG(vfprintf(stderr, fmt, ap)); 114 DEBUG(fprintf(stderr, "\033[m")); 115 va_end(ap); 116 117 return 0; /* XXX */ 118 } 119 120 /* 121 * Fill the input buffer, do chunk decoding on the fly 122 */ 123 static char * 124 _http_fillbuf(struct cookie *c) 125 { 126 char *ln; 127 unsigned int len; 128 129 if (c->eof) 130 return NULL; 131 132 if (c->encoding == ENC_NONE) { 133 c->buf = fgetln(c->real_f, &(c->b_len)); 134 c->b_cur = 0; 135 } else if (c->encoding == ENC_CHUNKED) { 136 if (c->chunksize == 0) { 137 ln = fgetln(c->real_f, &len); 138 if (len <= 2) 139 return NULL; 140 DEBUG(fprintf(stderr, "\033[1m_http_fillbuf(): new chunk: " 141 "%*.*s\033[m\n", (int)len-2, (int)len-2, ln)); 142 sscanf(ln, "%x", &(c->chunksize)); 143 if (!c->chunksize) { 144 DEBUG(fprintf(stderr, "\033[1m_http_fillbuf(): " 145 "end of last chunk\033[m\n")); 146 c->eof = 1; 147 return NULL; 148 } 149 DEBUG(fprintf(stderr, "\033[1m_http_fillbuf(): " 150 "new chunk: %X\033[m\n", c->chunksize)); 151 } 152 c->buf = fgetln(c->real_f, &(c->b_len)); 153 if (c->b_len > c->chunksize) 154 c->b_len = c->chunksize; 155 c->chunksize -= c->b_len; 156 c->b_cur = 0; 157 } 158 else return NULL; /* unknown encoding */ 159 return c->buf; 160 } 161 162 /* 163 * Read function 164 */ 165 static int 166 _http_readfn(struct cookie *c, char *buf, int len) 167 { 168 int l, pos = 0; 169 while (len) { 170 /* empty buffer */ 171 if (!c->buf || (c->b_cur == c->b_len)) 172 if (!_http_fillbuf(c)) 173 break; 174 175 l = c->b_len - c->b_cur; 176 if (len < l) l = len; 177 memcpy(buf + pos, c->buf + c->b_cur, l); 178 c->b_cur += l; 179 pos += l; 180 len -= l; 181 } 182 183 if (ferror(c->real_f)) 184 return -1; 185 else return pos; 186 } 187 188 /* 189 * Write function 190 */ 191 static int 192 _http_writefn(struct cookie *c, const char *buf, int len) 193 { 194 size_t r = fwrite(buf, 1, (size_t)len, c->real_f); 195 return r ? r : -1; 196 } 197 198 /* 199 * Close function 200 */ 201 static int 202 _http_closefn(struct cookie *c) 203 { 204 int r = fclose(c->real_f); 205 free(c); 206 return (r == EOF) ? -1 : 0; 207 } 208 209 /* 210 * Extract content type from cookie 211 */ 212 char * 213 fetchContentType(FILE *f) 214 { 215 /* 216 * We have no way of making sure this really *is* one of our cookies, 217 * so just check for a null pointer and hope for the best. 218 */ 219 return f->_cookie ? (((struct cookie *)f->_cookie)->content_type) : NULL; 220 } 221 222 /* 223 * Base64 encoding 224 */ 225 static char * 226 _http_base64(char *src) 227 { 228 static const char base64[] = 229 "ABCDEFGHIJKLMNOPQRSTUVWXYZ" 230 "abcdefghijklmnopqrstuvwxyz" 231 "0123456789+/"; 232 char *str, *dst; 233 size_t l; 234 int t, r; 235 236 l = strlen(src); 237 if ((str = malloc(((l + 2) / 3) * 4)) == NULL) 238 return NULL; 239 dst = str; 240 r = 0; 241 242 while (l >= 3) { 243 t = (src[0] << 16) | (src[1] << 8) | src[2]; 244 dst[0] = base64[(t >> 18) & 0x3f]; 245 dst[1] = base64[(t >> 12) & 0x3f]; 246 dst[2] = base64[(t >> 6) & 0x3f]; 247 dst[3] = base64[(t >> 0) & 0x3f]; 248 src += 3; l -= 3; 249 dst += 4; r += 4; 250 } 251 252 switch (l) { 253 case 2: 254 t = (src[0] << 16) | (src[1] << 8); 255 dst[0] = base64[(t >> 18) & 0x3f]; 256 dst[1] = base64[(t >> 12) & 0x3f]; 257 dst[2] = base64[(t >> 6) & 0x3f]; 258 dst[3] = '='; 259 dst += 4; 260 r += 4; 261 break; 262 case 1: 263 t = src[0] << 16; 264 dst[0] = base64[(t >> 18) & 0x3f]; 265 dst[1] = base64[(t >> 12) & 0x3f]; 266 dst[2] = dst[3] = '='; 267 dst += 4; 268 r += 4; 269 break; 270 case 0: 271 break; 272 } 273 274 *dst = 0; 275 return str; 276 } 277 278 /* 279 * Encode username and password 280 */ 281 static int 282 _http_basic_auth(FILE *f, char *hdr, char *usr, char *pwd) 283 { 284 char *upw, *auth; 285 int r; 286 287 if (asprintf(&upw, "%s:%s", usr, pwd) == -1) 288 return -1; 289 auth = _http_base64(upw); 290 free(upw); 291 if (auth == NULL) 292 return -1; 293 r = _http_cmd(f, "%s: Basic %s" ENDL, hdr, auth); 294 free(auth); 295 return r; 296 } 297 298 /* 299 * Send an authorization header 300 */ 301 static int 302 _http_authorize(FILE *f, char *hdr, char *p) 303 { 304 /* basic authorization */ 305 if (strncasecmp(p, "basic:", 6) == 0) { 306 char *user, *pwd, *str; 307 int r; 308 309 /* skip realm */ 310 for (p += 6; *p && *p != ':'; ++p) 311 /* nothing */ ; 312 if (!*p || strchr(++p, ':') == NULL) 313 return -1; 314 if ((str = strdup(p)) == NULL) 315 return -1; /* XXX */ 316 user = str; 317 pwd = strchr(str, ':'); 318 *pwd++ = '\0'; 319 r = _http_basic_auth(f, hdr, user, pwd); 320 free(str); 321 return r; 322 } 323 return -1; 324 } 325 326 /* 327 * Connect to server or proxy 328 */ 329 static FILE * 330 _http_connect(struct url *URL, char *flags, int *proxy) 331 { 332 int direct, sd = -1, verbose; 333 #ifdef INET6 334 int af = AF_UNSPEC; 335 #else 336 int af = AF_INET; 337 #endif 338 size_t len; 339 char *px; 340 FILE *f; 341 342 direct = (flags && strchr(flags, 'd')); 343 verbose = (flags && strchr(flags, 'v')); 344 if ((flags && strchr(flags, '4'))) 345 af = AF_INET; 346 else if ((flags && strchr(flags, '6'))) 347 af = AF_INET6; 348 349 /* check port */ 350 if (!URL->port) { 351 struct servent *se; 352 353 if (strcasecmp(URL->scheme, "ftp") == 0) 354 if ((se = getservbyname("ftp", "tcp")) != NULL) 355 URL->port = ntohs(se->s_port); 356 else 357 URL->port = 21; 358 else 359 if ((se = getservbyname("http", "tcp")) != NULL) 360 URL->port = ntohs(se->s_port); 361 else 362 URL->port = 80; 363 } 364 365 /* attempt to connect to proxy server */ 366 if (!direct && (px = getenv("HTTP_PROXY")) != NULL) { 367 char host[MAXHOSTNAMELEN]; 368 int port = 0; 369 370 /* measure length */ 371 #ifdef INET6 372 if (px[0] != '[' || 373 (len = strcspn(px, "]")) >= strlen(px) || 374 (px[++len] != '\0' && px[len] != ':')) 375 #endif 376 len = strcspn(px, ":"); 377 378 /* get port (XXX atoi is a little too tolerant perhaps?) */ 379 if (px[len] == ':') { 380 if (strspn(px+len+1, "0123456789") != strlen(px+len+1) 381 || strlen(px+len+1) > 5) { 382 /* XXX we should emit some kind of warning */ 383 } 384 port = atoi(px+len+1); 385 if (port < 1 || port > 65535) { 386 /* XXX we should emit some kind of warning */ 387 } 388 } 389 if (!port) { 390 #if 0 391 /* 392 * commented out, since there is currently no service name 393 * for HTTP proxies 394 */ 395 struct servent *se; 396 397 if ((se = getservbyname("xxxx", "tcp")) != NULL) 398 port = ntohs(se->s_port); 399 else 400 #endif 401 port = 3128; 402 } 403 404 /* get host name */ 405 #ifdef INET6 406 if (len > 1 && px[0] == '[' && px[len - 1] == ']') { 407 px++; 408 len -= 2; 409 } 410 #endif 411 if (len >= MAXHOSTNAMELEN) 412 len = MAXHOSTNAMELEN - 1; 413 strncpy(host, px, len); 414 host[len] = 0; 415 416 /* connect */ 417 sd = _fetch_connect(host, port, af, verbose); 418 } 419 420 /* if no proxy is configured or could be contacted, try direct */ 421 *proxy = (sd != -1); 422 if (!*proxy) { 423 if (strcasecmp(URL->scheme, "ftp") == 0) 424 goto ouch; 425 if ((sd = _fetch_connect(URL->host, URL->port, af, verbose)) == -1) 426 goto ouch; 427 } 428 429 /* reopen as stream */ 430 if ((f = fdopen(sd, "r+")) == NULL) 431 goto ouch; 432 433 return f; 434 435 ouch: 436 if (sd >= 0) 437 close(sd); 438 _http_seterr(999); /* XXX do this properly RSN */ 439 return NULL; 440 } 441 442 /* 443 * Check a header line 444 */ 445 static char * 446 _http_match(char *str, char *hdr) 447 { 448 while (*str && *hdr && tolower(*str++) == tolower(*hdr++)) 449 /* nothing */; 450 if (*str || *hdr != ':') 451 return NULL; 452 while (*hdr && isspace(*++hdr)) 453 /* nothing */; 454 return hdr; 455 } 456 457 /* 458 * Send a HEAD or GET request 459 */ 460 static int 461 _http_request(FILE *f, char *op, struct url *URL, char *flags, int proxy) 462 { 463 int e, verbose; 464 char *ln, *p; 465 size_t len; 466 char *host; 467 #ifdef INET6 468 char hbuf[MAXHOSTNAMELEN + 1]; 469 #endif 470 471 verbose = (flags && strchr(flags, 'v')); 472 473 host = URL->host; 474 #ifdef INET6 475 if (strchr(URL->host, ':')) { 476 snprintf(hbuf, sizeof(hbuf), "[%s]", URL->host); 477 host = hbuf; 478 } 479 #endif 480 481 /* send request (proxies require absolute form) */ 482 if (verbose) 483 _fetch_info("requesting %s://%s:%d%s", 484 URL->scheme, host, URL->port, URL->doc); 485 if (proxy) 486 _http_cmd(f, "%s %s://%s:%d%s HTTP/1.1" ENDL, 487 op, URL->scheme, host, URL->port, URL->doc); 488 else 489 _http_cmd(f, "%s %s HTTP/1.1" ENDL, op, URL->doc); 490 491 /* start sending headers away */ 492 if (URL->user[0] || URL->pwd[0]) 493 _http_basic_auth(f, "Authorization", 494 URL->user ? URL->user : "", 495 URL->pwd ? URL->pwd : ""); 496 else if ((p = getenv("HTTP_AUTH")) != NULL) 497 _http_authorize(f, "Authorization", p); 498 if (proxy && (p = getenv("HTTP_PROXY_AUTH")) != NULL) 499 _http_authorize(f, "Proxy-Authorization", p); 500 _http_cmd(f, "Host: %s:%d" ENDL, host, URL->port); 501 _http_cmd(f, "User-Agent: %s " _LIBFETCH_VER ENDL, __progname); 502 if (URL->offset) 503 _http_cmd(f, "Range: bytes=%lld-" ENDL, URL->offset); 504 _http_cmd(f, "Connection: close" ENDL ENDL); 505 506 /* get response */ 507 if ((ln = fgetln(f, &len)) == NULL) 508 return 999; 509 DEBUG(fprintf(stderr, "response: [\033[1m%*.*s\033[m]\n", 510 (int)len-2, (int)len-2, ln)); 511 512 /* we can't use strchr() and friends since ln isn't NUL-terminated */ 513 p = ln; 514 while ((p < ln + len) && !isspace(*p)) 515 p++; 516 while ((p < ln + len) && !isdigit(*p)) 517 p++; 518 if (!isdigit(*p)) 519 return 999; 520 521 e = atoi(p); 522 DEBUG(fprintf(stderr, "code: [\033[1m%d\033[m]\n", e)); 523 return e; 524 } 525 526 /* 527 * Retrieve a file by HTTP 528 */ 529 FILE * 530 fetchGetHTTP(struct url *URL, char *flags) 531 { 532 int e, enc = ENC_NONE, i, noredirect, proxy; 533 struct cookie *c; 534 char *ln, *p, *q; 535 FILE *f, *cf; 536 size_t len; 537 off_t pos = 0; 538 539 noredirect = (flags && strchr(flags, 'A')); 540 541 /* allocate cookie */ 542 if ((c = calloc(1, sizeof *c)) == NULL) 543 return NULL; 544 545 /* connect */ 546 if ((f = _http_connect(URL, flags, &proxy)) == NULL) { 547 free(c); 548 return NULL; 549 } 550 c->real_f = f; 551 552 e = _http_request(f, "GET", URL, flags, proxy); 553 if (e != (URL->offset ? HTTP_PARTIAL : HTTP_OK) 554 && (e != HTTP_MOVED || noredirect)) { 555 _http_seterr(e); 556 free(c); 557 fclose(f); 558 return NULL; 559 } 560 561 /* browse through header */ 562 while (1) { 563 if ((ln = fgetln(f, &len)) == NULL) 564 goto fouch; 565 if ((ln[0] == '\r') || (ln[0] == '\n')) 566 break; 567 while (isspace(ln[len-1])) 568 --len; 569 ln[len] = '\0'; /* XXX */ 570 DEBUG(fprintf(stderr, "header: [\033[1m%s\033[m]\n", ln)); 571 if ((p = _http_match("Location", ln)) != NULL) { 572 struct url *url; 573 574 for (q = p; *q && !isspace(*q); q++) 575 /* VOID */ ; 576 *q = 0; 577 if ((url = fetchParseURL(p)) == NULL) 578 goto fouch; 579 url->offset = URL->offset; 580 url->length = URL->length; 581 DEBUG(fprintf(stderr, "location: [\033[1m%s\033[m]\n", p)); 582 cf = fetchGetHTTP(url, flags); 583 fetchFreeURL(url); 584 fclose(f); 585 return cf; 586 } else if ((p = _http_match("Transfer-Encoding", ln)) != NULL) { 587 for (q = p; *q && !isspace(*q); q++) 588 /* VOID */ ; 589 *q = 0; 590 if (strcasecmp(p, "chunked") == 0) 591 enc = ENC_CHUNKED; 592 DEBUG(fprintf(stderr, "transfer encoding: [\033[1m%s\033[m]\n", p)); 593 } else if ((p = _http_match("Content-Type", ln)) != NULL) { 594 for (i = 0; *p && i < HTTPCTYPELEN; p++, i++) 595 c->content_type[i] = *p; 596 do c->content_type[i--] = 0; while (isspace(c->content_type[i])); 597 DEBUG(fprintf(stderr, "content type: [\033[1m%s\033[m]\n", 598 c->content_type)); 599 } else if ((p = _http_match("Content-Range", ln)) != NULL) { 600 if (strncasecmp(p, "bytes ", 6) != 0) 601 goto fouch; 602 p += 6; 603 while (*p && isdigit(*p)) 604 pos = pos * 10 + (*p++ - '0'); 605 /* XXX wouldn't hurt to be slightly more paranoid here */ 606 DEBUG(fprintf(stderr, "content range: [\033[1m%lld-\033[m]\n", pos)); 607 if (pos > URL->offset) 608 goto fouch; 609 } 610 } 611 612 /* only body remains */ 613 c->encoding = enc; 614 cf = funopen(c, 615 (int (*)(void *, char *, int))_http_readfn, 616 (int (*)(void *, const char *, int))_http_writefn, 617 (fpos_t (*)(void *, fpos_t, int))NULL, 618 (int (*)(void *))_http_closefn); 619 if (cf == NULL) 620 goto fouch; 621 622 while (pos < URL->offset) 623 if (fgetc(cf) == EOF) 624 goto cfouch; 625 626 return cf; 627 628 fouch: 629 fclose(f); 630 free(c); 631 _http_seterr(999); /* XXX do this properly RSN */ 632 return NULL; 633 cfouch: 634 fclose(cf); 635 _http_seterr(999); /* XXX do this properly RSN */ 636 return NULL; 637 } 638 639 FILE * 640 fetchPutHTTP(struct url *URL, char *flags) 641 { 642 warnx("fetchPutHTTP(): not implemented"); 643 return NULL; 644 } 645 646 /* 647 * Get an HTTP document's metadata 648 */ 649 int 650 fetchStatHTTP(struct url *URL, struct url_stat *us, char *flags) 651 { 652 int e, noredirect, proxy; 653 size_t len; 654 char *ln, *p, *q; 655 FILE *f; 656 657 noredirect = (flags && strchr(flags, 'A')); 658 659 us->size = -1; 660 us->atime = us->mtime = 0; 661 662 /* connect */ 663 if ((f = _http_connect(URL, flags, &proxy)) == NULL) 664 return -1; 665 666 e = _http_request(f, "HEAD", URL, flags, proxy); 667 if (e != HTTP_OK && (e != HTTP_MOVED || noredirect)) { 668 _http_seterr(e); 669 fclose(f); 670 return -1; 671 } 672 673 while (1) { 674 if ((ln = fgetln(f, &len)) == NULL) 675 goto fouch; 676 if ((ln[0] == '\r') || (ln[0] == '\n')) 677 break; 678 while (isspace(ln[len-1])) 679 --len; 680 ln[len] = '\0'; /* XXX */ 681 DEBUG(fprintf(stderr, "header: [\033[1m%s\033[m]\n", ln)); 682 if ((p = _http_match("Location", ln)) != NULL) { 683 struct url *url; 684 685 for (q = p; *q && !isspace(*q); q++) 686 /* VOID */ ; 687 *q = 0; 688 if ((url = fetchParseURL(p)) == NULL) 689 goto ouch; 690 url->offset = URL->offset; 691 url->length = URL->length; 692 DEBUG(fprintf(stderr, "location: [\033[1m%s\033[m]\n", p)); 693 e = fetchStatHTTP(url, us, flags); 694 fetchFreeURL(url); 695 fclose(f); 696 return e; 697 } else if ((p = _http_match("Last-Modified", ln)) != NULL) { 698 struct tm tm; 699 char locale[64]; 700 701 strncpy(locale, setlocale(LC_TIME, NULL), sizeof locale); 702 setlocale(LC_TIME, "C"); 703 strptime(p, "%a, %d %b %Y %H:%M:%S GMT", &tm); 704 /* XXX should add support for date-2 and date-3 */ 705 setlocale(LC_TIME, locale); 706 us->atime = us->mtime = timegm(&tm); 707 DEBUG(fprintf(stderr, "last modified: [\033[1m%04d-%02d-%02d " 708 "%02d:%02d:%02d\033[m]\n", 709 tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, 710 tm.tm_hour, tm.tm_min, tm.tm_sec)); 711 } else if ((p = _http_match("Content-Length", ln)) != NULL) { 712 us->size = 0; 713 while (*p && isdigit(*p)) 714 us->size = us->size * 10 + (*p++ - '0'); 715 DEBUG(fprintf(stderr, "content length: [\033[1m%lld\033[m]\n", us->size)); 716 } 717 } 718 719 fclose(f); 720 return 0; 721 ouch: 722 _http_seterr(999); /* XXX do this properly RSN */ 723 fouch: 724 fclose(f); 725 return -1; 726 } 727 728 /* 729 * List a directory 730 */ 731 struct url_ent * 732 fetchListHTTP(struct url *url, char *flags) 733 { 734 warnx("fetchListHTTP(): not implemented"); 735 return NULL; 736 } 737