| 1 | /* |
| 2 | * Dolda Connect - Modular multiuser Direct Connect-style client |
| 3 | * Copyright (C) 2007 Fredrik Tolf <fredrik@dolda2000.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | #include <stdlib.h> |
| 21 | #include <stdio.h> |
| 22 | #include <unistd.h> |
| 23 | #include <string.h> |
| 24 | #include <ctype.h> |
| 25 | #include <errno.h> |
| 26 | #include <fcntl.h> |
| 27 | #include <sys/socket.h> |
| 28 | #include <sys/poll.h> |
| 29 | |
| 30 | #ifdef HAVE_CONFIG_H |
| 31 | #include <config.h> |
| 32 | #endif |
| 33 | #include <utils.h> |
| 34 | #include <http.h> |
| 35 | |
| 36 | #if 0 |
| 37 | #define HTDEBUG(fmt...) fprintf(stderr, "httplib: " fmt) |
| 38 | #else |
| 39 | #define HTDEBUG(fmt...) |
| 40 | #endif |
| 41 | |
| 42 | #define STATE_SYN 0 |
| 43 | #define STATE_TXREQ 1 |
| 44 | #define STATE_RXRES 2 |
| 45 | #define STATE_RXBODY 3 |
| 46 | #define STATE_RXCHLEN 4 |
| 47 | #define STATE_RXCHUNK 5 |
| 48 | #define STATE_DONE 6 |
| 49 | |
| 50 | void freeurl(struct hturlinfo *ui) |
| 51 | { |
| 52 | free(ui->host); |
| 53 | free(ui->path); |
| 54 | free(ui->query); |
| 55 | free(ui->fragment); |
| 56 | free(ui); |
| 57 | } |
| 58 | |
| 59 | struct hturlinfo *parseurl(char *url) |
| 60 | { |
| 61 | char *p, *p2, *p3; |
| 62 | struct hturlinfo *ui; |
| 63 | |
| 64 | if(strncmp(url, "http://", 7)) |
| 65 | return(NULL); |
| 66 | ui = memset(smalloc(sizeof(*ui)), 0, sizeof(*ui)); |
| 67 | p = url + 7; |
| 68 | if((p2 = strchr(p, '/')) != NULL) |
| 69 | *(p2++) = 0; |
| 70 | if((p3 = strrchr(p, ':')) != NULL) { |
| 71 | *(p3++) = 0; |
| 72 | ui->port = atoi(p3); |
| 73 | } else { |
| 74 | ui->port = 80; |
| 75 | } |
| 76 | ui->host = sstrdup(p); |
| 77 | if(p2 == NULL) { |
| 78 | ui->path = sstrdup("/"); |
| 79 | } else { |
| 80 | p = p2; |
| 81 | if((p2 = strchr(p, '?')) != NULL) |
| 82 | *(p2++) = 0; |
| 83 | p[-1] = '/'; |
| 84 | ui->path = sstrdup(p - 1); |
| 85 | } |
| 86 | if(p2 == NULL) { |
| 87 | ui->query = sstrdup(""); |
| 88 | } else { |
| 89 | p = p2; |
| 90 | if((p2 = strchr(p, '#')) != NULL) |
| 91 | *(p2++) = 0; |
| 92 | ui->query = sstrdup(p); |
| 93 | } |
| 94 | if(p2 == NULL) { |
| 95 | ui->fragment = sstrdup(""); |
| 96 | } else { |
| 97 | ui->fragment = sstrdup(p2); |
| 98 | } |
| 99 | return(ui); |
| 100 | } |
| 101 | |
| 102 | static struct hturlinfo *dupurl(struct hturlinfo *ui) |
| 103 | { |
| 104 | struct hturlinfo *new; |
| 105 | |
| 106 | new = memset(smalloc(sizeof(*new)), 0, sizeof(*new)); |
| 107 | new->host = sstrdup(ui->host); |
| 108 | new->port = ui->port; |
| 109 | new->path = sstrdup(ui->path); |
| 110 | new->query = sstrdup(ui->query); |
| 111 | new->fragment = sstrdup(ui->fragment); |
| 112 | return(new); |
| 113 | } |
| 114 | |
| 115 | static struct addrinfo *resolvtcp(char *name, int port) |
| 116 | { |
| 117 | struct addrinfo hint, *ret; |
| 118 | char tmp[32]; |
| 119 | |
| 120 | memset(&hint, 0, sizeof(hint)); |
| 121 | hint.ai_socktype = SOCK_STREAM; |
| 122 | hint.ai_flags = AI_NUMERICSERV | AI_CANONNAME; |
| 123 | snprintf(tmp, sizeof(tmp), "%i", port); |
| 124 | if(!getaddrinfo(name, tmp, &hint, &ret)) |
| 125 | return(ret); |
| 126 | return(NULL); |
| 127 | } |
| 128 | |
| 129 | void freehtconn(struct htconn *cn) |
| 130 | { |
| 131 | if(cn->outbuf != NULL) |
| 132 | free(cn->outbuf); |
| 133 | if(cn->inbuf != NULL) |
| 134 | free(cn->inbuf); |
| 135 | if(cn->databuf != NULL) |
| 136 | free(cn->databuf); |
| 137 | if(cn->resstr != NULL) |
| 138 | free(cn->resstr); |
| 139 | while(cn->headers) |
| 140 | freestrpair(cn->headers, &cn->headers); |
| 141 | freeurl(cn->url); |
| 142 | freeaddrinfo(cn->ailist); |
| 143 | if(cn->fd != -1) |
| 144 | close(cn->fd); |
| 145 | free(cn); |
| 146 | } |
| 147 | |
| 148 | static int resethtconn(struct htconn *cn, struct hturlinfo *ui) |
| 149 | { |
| 150 | if(cn->fd != -1) |
| 151 | close(cn->fd); |
| 152 | if(cn->resstr != NULL) |
| 153 | free(cn->resstr); |
| 154 | freeurl(cn->url); |
| 155 | freeaddrinfo(cn->ailist); |
| 156 | while(cn->headers) |
| 157 | freestrpair(cn->headers, &cn->headers); |
| 158 | |
| 159 | cn->state = STATE_SYN; |
| 160 | cn->fd = -1; |
| 161 | cn->outbufdata = cn->inbufdata = cn->databufdata = 0; |
| 162 | cn->rescode = 0; |
| 163 | cn->resstr = NULL; |
| 164 | cn->tlen = -1; |
| 165 | cn->rxd = 0; |
| 166 | cn->chl = 0; |
| 167 | cn->url = dupurl(ui); |
| 168 | cn->ailist = resolvtcp(ui->host, ui->port); |
| 169 | cn->curai = NULL; |
| 170 | |
| 171 | return(htprocess(cn, 0)); |
| 172 | } |
| 173 | |
| 174 | struct htconn *htconnect(struct hturlinfo *ui) |
| 175 | { |
| 176 | struct htconn *cn; |
| 177 | |
| 178 | cn = memset(smalloc(sizeof(*cn)), 0, sizeof(*cn)); |
| 179 | cn->fd = -1; |
| 180 | cn->tlen = -1; |
| 181 | cn->url = dupurl(ui); |
| 182 | cn->ailist = resolvtcp(ui->host, ui->port); |
| 183 | if(htprocess(cn, 0) < 0) { |
| 184 | freehtconn(cn); |
| 185 | return(NULL); |
| 186 | } |
| 187 | return(cn); |
| 188 | } |
| 189 | |
| 190 | int htpollflags(struct htconn *cn) |
| 191 | { |
| 192 | int ret; |
| 193 | |
| 194 | if(cn->fd == -1) |
| 195 | return(0); |
| 196 | ret = POLLIN; |
| 197 | if((cn->state == STATE_SYN) || (cn->outbufdata > 0)) |
| 198 | ret |= POLLOUT; |
| 199 | return(ret); |
| 200 | } |
| 201 | |
| 202 | static char safechars[128] = { |
| 203 | /* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xa xb xc xd xe xf */ |
| 204 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 205 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 206 | 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, |
| 207 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, |
| 208 | 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 209 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, |
| 210 | 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 211 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, |
| 212 | }; |
| 213 | |
| 214 | static void consreq(struct htconn *cn) |
| 215 | { |
| 216 | char *p; |
| 217 | |
| 218 | bufcat(cn->outbuf, "GET ", 4); |
| 219 | for(p = cn->url->path; *p; p++) { |
| 220 | if(!(*p & 0x80) && safechars[(int)*p]) |
| 221 | addtobuf(cn->outbuf, *p); |
| 222 | else |
| 223 | bprintf(cn->outbuf, "%%%02X", *p); |
| 224 | } |
| 225 | if(*(cn->url->query)) { |
| 226 | addtobuf(cn->outbuf, '?'); |
| 227 | for(p = cn->url->query; *p; p++) { |
| 228 | if(!(*p & 0x80) && (safechars[(int)*p] || (*p == '&') || (*p == '='))) |
| 229 | addtobuf(cn->outbuf, *p); |
| 230 | else |
| 231 | bprintf(cn->outbuf, "%%%02X", *p); |
| 232 | } |
| 233 | } |
| 234 | bufcat(cn->outbuf, " HTTP/1.1\r\n", 11); |
| 235 | if(cn->url->port != 80) |
| 236 | bprintf(cn->outbuf, "Host: %s:%i\r\n", cn->url->host, cn->url->port); |
| 237 | else |
| 238 | bprintf(cn->outbuf, "Host: %s\r\n", cn->url->host); |
| 239 | bprintf(cn->outbuf, "User-Agent: DoldaConnect/%s\r\n", VERSION); |
| 240 | bufcat(cn->outbuf, "\r\n", 2); |
| 241 | } |
| 242 | |
| 243 | static void trimcr(char *buf) |
| 244 | { |
| 245 | for(; *buf; buf++); |
| 246 | if(*(--buf) == '\r') |
| 247 | *buf = 0; |
| 248 | } |
| 249 | |
| 250 | static int parseheaders(struct htconn *cn) |
| 251 | { |
| 252 | char *p, *p2, *p3, *p4; |
| 253 | |
| 254 | while((p = memchr(cn->inbuf, '\n', cn->inbufdata)) != NULL) { |
| 255 | *(p++) = 0; |
| 256 | trimcr(cn->inbuf); |
| 257 | if(!*(cn->inbuf)) { |
| 258 | memmove(cn->inbuf, p, cn->inbufdata -= (p - cn->inbuf)); |
| 259 | return(1); |
| 260 | } |
| 261 | if((p2 = strchr(cn->inbuf, ':')) == NULL) |
| 262 | goto skip; |
| 263 | *(p2++) = 0; |
| 264 | for(p3 = cn->inbuf; isspace(*p3); p3++); |
| 265 | if(!*p3) |
| 266 | goto skip; |
| 267 | for(p4 = p2 - 2; isspace(*p4); p4--) { |
| 268 | } |
| 269 | *(++p4) = 0; |
| 270 | for(; isspace(*p2); p2++); |
| 271 | for(p4 = p3; *p4; p4++) |
| 272 | *p4 = tolower(*p4); |
| 273 | newstrpair(p3, p2, &cn->headers); |
| 274 | if(!strcmp(p3, "content-length")) |
| 275 | cn->tlen = atoi(p2); |
| 276 | skip: |
| 277 | memmove(cn->inbuf, p, cn->inbufdata -= (p - cn->inbuf)); |
| 278 | } |
| 279 | return(0); |
| 280 | } |
| 281 | |
| 282 | int htprocess(struct htconn *cn, int pollflags) |
| 283 | { |
| 284 | int ret, done; |
| 285 | socklen_t optlen; |
| 286 | char rxbuf[1024]; |
| 287 | char *p, *p2, *p3; |
| 288 | struct hturlinfo *ui; |
| 289 | |
| 290 | if(cn->state == STATE_SYN) { |
| 291 | if(cn->fd != -1) { |
| 292 | optlen = sizeof(ret); |
| 293 | getsockopt(cn->fd, SOL_SOCKET, SO_ERROR, &ret, &optlen); |
| 294 | if(ret) { |
| 295 | cn->fd = -1; |
| 296 | } else { |
| 297 | consreq(cn); |
| 298 | cn->state = STATE_TXREQ; |
| 299 | } |
| 300 | } |
| 301 | if(cn->fd == -1) { |
| 302 | if(cn->curai == NULL) |
| 303 | cn->curai = cn->ailist; |
| 304 | else |
| 305 | cn->curai = cn->curai->ai_next; |
| 306 | if(cn->curai == NULL) { |
| 307 | /* Bleh! Linux and BSD don't share any good |
| 308 | * errno for this. */ |
| 309 | errno = ENOENT; |
| 310 | return(-1); |
| 311 | } |
| 312 | if((cn->fd = socket(cn->curai->ai_family, cn->curai->ai_socktype, cn->curai->ai_protocol)) < 0) |
| 313 | return(-1); |
| 314 | fcntl(cn->fd, F_SETFL, fcntl(cn->fd, F_GETFL) | O_NONBLOCK); |
| 315 | if(connect(cn->fd, cn->curai->ai_addr, cn->curai->ai_addrlen) < 0) { |
| 316 | if(errno != EINPROGRESS) |
| 317 | return(-1); |
| 318 | } else { |
| 319 | consreq(cn); |
| 320 | cn->state = STATE_TXREQ; |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | if(cn->state == STATE_TXREQ) { |
| 325 | HTDEBUG("connected, sending request\n"); |
| 326 | if(pollflags & POLLIN) { |
| 327 | close(cn->fd); |
| 328 | cn->fd = -1; |
| 329 | return(-1); |
| 330 | } |
| 331 | if(pollflags & POLLOUT) { |
| 332 | if((ret = send(cn->fd, cn->outbuf, cn->outbufdata, MSG_DONTWAIT)) < 0) { |
| 333 | if(errno != EAGAIN) { |
| 334 | close(cn->fd); |
| 335 | cn->fd = -1; |
| 336 | return(-1); |
| 337 | } |
| 338 | } else { |
| 339 | memmove(cn->outbuf, cn->outbuf + ret, cn->outbufdata -= ret); |
| 340 | if(cn->outbufdata == 0) |
| 341 | cn->state = STATE_RXRES; |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | /* |
| 346 | * All further states will do receiving |
| 347 | */ |
| 348 | if(pollflags & POLLIN) { |
| 349 | if(cn->fd == -1) { |
| 350 | ret = 0; |
| 351 | } else { |
| 352 | if((ret = recv(cn->fd, rxbuf, sizeof(rxbuf), MSG_DONTWAIT)) < 0) { |
| 353 | HTDEBUG("error in recv: %s\n", strerror(errno)); |
| 354 | if(errno != EAGAIN) { |
| 355 | close(cn->fd); |
| 356 | cn->fd = -1; |
| 357 | return(-1); |
| 358 | } |
| 359 | return(0); |
| 360 | } else if(ret == 0) { |
| 361 | HTDEBUG("EOF received\n"); |
| 362 | close(cn->fd); |
| 363 | cn->fd = -1; |
| 364 | } else { |
| 365 | bufcat(cn->inbuf, rxbuf, ret); |
| 366 | HTDEBUG("received %i bytes of raw data, %i bytes in buffer\n", ret, cn->inbufdata); |
| 367 | } |
| 368 | } |
| 369 | } |
| 370 | /* We need to loop until all processable data has been processed, |
| 371 | * or we won't get called again */ |
| 372 | do { |
| 373 | done = 1; |
| 374 | if(cn->state == STATE_RXRES) { |
| 375 | if(ret == 0) { |
| 376 | if(cn->rescode == 0) { |
| 377 | HTDEBUG("received EOF before response, flaggin EPROTO\n"); |
| 378 | errno = EPROTO; |
| 379 | return(-1); |
| 380 | } |
| 381 | HTDEBUG("EOF after headers, no body\n"); |
| 382 | cn->state = STATE_DONE; |
| 383 | } else { |
| 384 | /* Headers shouldn't be this long! */ |
| 385 | if(cn->inbufdata >= 65536) { |
| 386 | HTDEBUG("got suspiciously long headers, flagging ENOMEM\n"); |
| 387 | close(cn->fd); |
| 388 | cn->fd = -1; |
| 389 | errno = ENOMEM; |
| 390 | return(-1); |
| 391 | } |
| 392 | HTDEBUG("received some header data\n"); |
| 393 | } |
| 394 | if(cn->rescode == 0) { |
| 395 | if((p = memchr(cn->inbuf, '\n', cn->inbufdata)) != NULL) { |
| 396 | HTDEBUG("received response line\n"); |
| 397 | *(p++) = 0; |
| 398 | trimcr(cn->inbuf); |
| 399 | p2 = cn->inbuf; |
| 400 | if((p3 = strchr(p2, ' ')) == NULL) { |
| 401 | close(cn->fd); |
| 402 | cn->fd = -1; |
| 403 | errno = EPROTO; |
| 404 | return(-1); |
| 405 | } |
| 406 | *(p3++) = 0; |
| 407 | if(strncmp(p2, "HTTP/", 5)) { |
| 408 | close(cn->fd); |
| 409 | cn->fd = -1; |
| 410 | errno = EPROTO; |
| 411 | return(-1); |
| 412 | } |
| 413 | p2 = p3; |
| 414 | if((p3 = strchr(p2, ' ')) == NULL) { |
| 415 | close(cn->fd); |
| 416 | cn->fd = -1; |
| 417 | errno = EPROTO; |
| 418 | return(-1); |
| 419 | } |
| 420 | *(p3++) = 0; |
| 421 | cn->rescode = atoi(p2); |
| 422 | if((cn->rescode < 100) || (cn->rescode >= 1000)) { |
| 423 | close(cn->fd); |
| 424 | cn->fd = -1; |
| 425 | errno = EPROTO; |
| 426 | return(-1); |
| 427 | } |
| 428 | cn->resstr = sstrdup(p3); |
| 429 | memmove(cn->inbuf, p, cn->inbufdata -= (p - cn->inbuf)); |
| 430 | HTDEBUG("parsed response line (%i, %s)\n", cn->rescode, cn->resstr); |
| 431 | } |
| 432 | } |
| 433 | if(cn->rescode != 0) { |
| 434 | HTDEBUG("parsing some headers\n"); |
| 435 | if(parseheaders(cn)) { |
| 436 | HTDEBUG("all headers received\n"); |
| 437 | if(((p = spfind(cn->headers, "transfer-encoding")) != NULL) && !strcasecmp(p, "chunked")) { |
| 438 | HTDEBUG("doing chunky decoding\n"); |
| 439 | cn->chl = -1; |
| 440 | cn->state = STATE_RXCHLEN; |
| 441 | } else { |
| 442 | HTDEBUG("receiving normally\n"); |
| 443 | cn->state = STATE_RXBODY; |
| 444 | } |
| 445 | } |
| 446 | } |
| 447 | } |
| 448 | if(cn->state == STATE_RXBODY) { |
| 449 | if(ret == 0) { |
| 450 | if(cn->tlen == -1) { |
| 451 | HTDEBUG("EOF in body without Content-Length, flagging as done\n"); |
| 452 | cn->state = STATE_DONE; |
| 453 | } else { |
| 454 | HTDEBUG("got premature if in body with Content-Length, flagging EPROTO\n"); |
| 455 | errno = EPROTO; |
| 456 | return(-1); |
| 457 | } |
| 458 | } else { |
| 459 | bufcat(cn->databuf, cn->inbuf, cn->inbufdata); |
| 460 | HTDEBUG("transferred %i bytes from inbuf to databuf, %i bytes now in databuf\n", cn->inbufdata, cn->databufdata); |
| 461 | cn->rxd += cn->inbufdata; |
| 462 | cn->inbufdata = 0; |
| 463 | if((cn->tlen != -1) && (cn->rxd >= cn->tlen)) { |
| 464 | HTDEBUG("received Content-Length, flagging as done\n"); |
| 465 | cn->state = STATE_DONE; |
| 466 | } |
| 467 | } |
| 468 | } |
| 469 | if(cn->state == STATE_RXCHLEN) { |
| 470 | HTDEBUG("trying to parse chunk length\n"); |
| 471 | while(((p = memchr(cn->inbuf, '\n', cn->inbufdata)) != NULL) && (cn->chl == -1)) { |
| 472 | *(p++) = 0; |
| 473 | trimcr(cn->inbuf); |
| 474 | HTDEBUG("trimmed chunk line: %s\n", cn->inbuf); |
| 475 | if(!*cn->inbuf) |
| 476 | goto skip; |
| 477 | cn->chl = strtol(cn->inbuf, NULL, 16); |
| 478 | HTDEBUG("parsed chunk length: %i\n", cn->chl); |
| 479 | skip: |
| 480 | memmove(cn->inbuf, p, cn->inbufdata -= (p - cn->inbuf)); |
| 481 | } |
| 482 | if(cn->chl == 0) { |
| 483 | HTDEBUG("zero chunk length, looking for CRLF\n"); |
| 484 | if((cn->inbuf[0] == '\r') && (cn->inbuf[1] == '\n')) { |
| 485 | HTDEBUG("ending CRLF gotten, flagging as done\n"); |
| 486 | cn->state = STATE_DONE; |
| 487 | } |
| 488 | } else { |
| 489 | HTDEBUG("will read chunk\n"); |
| 490 | cn->state = STATE_RXCHUNK; |
| 491 | } |
| 492 | } |
| 493 | if(cn->state == STATE_RXCHUNK) { |
| 494 | if(cn->inbufdata >= cn->chl) { |
| 495 | bufcat(cn->databuf, cn->inbuf, cn->chl); |
| 496 | memmove(cn->inbuf, cn->inbuf + cn->chl, cn->inbufdata -= cn->chl); |
| 497 | HTDEBUG("received final %i bytes of chunk, inbuf %i bytes, databuf %i bytes\n", cn->chl, cn->inbufdata, cn->databufdata); |
| 498 | cn->rxd += cn->chl; |
| 499 | cn->chl = 0; |
| 500 | cn->state = STATE_RXCHLEN; |
| 501 | done = 0; |
| 502 | } else { |
| 503 | bufcat(cn->databuf, cn->inbuf, cn->inbufdata); |
| 504 | cn->chl -= cn->inbufdata; |
| 505 | cn->rxd += cn->inbufdata; |
| 506 | HTDEBUG("received %i bytes of chunk, %i bytes remaining, %i bytes in databuf\n", cn->inbufdata, cn->chl, cn->databufdata); |
| 507 | cn->inbufdata = 0; |
| 508 | } |
| 509 | } |
| 510 | } while(!done); |
| 511 | if((cn->state == STATE_DONE) && cn->autoredir) { |
| 512 | if((cn->rescode == 301) || (cn->rescode == 302) || (cn->rescode == 303) || (cn->rescode == 307)) { |
| 513 | if((p = spfind(cn->headers, "location")) == NULL) { |
| 514 | HTDEBUG("got redirect without Location, flagging EPROTO\n"); |
| 515 | errno = EPROTO; |
| 516 | return(-1); |
| 517 | } |
| 518 | if((ui = parseurl(p)) == NULL) { |
| 519 | HTDEBUG("unparsable URL in redirection (%s), flagging EPROTO\n", p); |
| 520 | errno = EPROTO; |
| 521 | return(-1); |
| 522 | } |
| 523 | HTDEBUG("autohandling redirect (%i, ->%s)\n", cn->rescode, p); |
| 524 | ret = resethtconn(cn, ui); |
| 525 | freeurl(ui); |
| 526 | return(ret); |
| 527 | } |
| 528 | } |
| 529 | return((cn->state == STATE_DONE)?1:0); |
| 530 | } |