Annotation of src/usr.bin/ftp/fetch.c, Revision 1.201
1.201 ! naddy 1: /* $OpenBSD: fetch.c,v 1.200 2021/02/02 12:58:42 robert Exp $ */
1.15 millert 2: /* $NetBSD: fetch.c,v 1.14 1997/08/18 10:20:20 lukem Exp $ */
1.1 millert 3:
4: /*-
5: * Copyright (c) 1997 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Jason Thorpe and Luke Mewburn.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.15 millert 23: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.1 millert 25: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30: * POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: /*
34: * FTP User Program -- Command line file retrieval
35: */
36:
37: #include <sys/types.h>
38: #include <sys/socket.h>
1.22 deraadt 39: #include <sys/stat.h>
1.1 millert 40:
41: #include <netinet/in.h>
42:
43: #include <arpa/ftp.h>
44: #include <arpa/inet.h>
45:
46: #include <ctype.h>
47: #include <err.h>
1.17 millert 48: #include <libgen.h>
1.1 millert 49: #include <netdb.h>
50: #include <fcntl.h>
1.3 millert 51: #include <signal.h>
1.175 deraadt 52: #include <vis.h>
1.1 millert 53: #include <stdio.h>
1.61 deraadt 54: #include <stdarg.h>
1.19 deraadt 55: #include <errno.h>
1.1 millert 56: #include <stdlib.h>
57: #include <string.h>
58: #include <unistd.h>
1.73 drahn 59: #include <resolv.h>
1.200 robert 60: #include <utime.h>
1.1 millert 61:
1.154 deraadt 62: #ifndef NOSSL
1.134 jsing 63: #include <tls.h>
1.154 deraadt 64: #else /* !NOSSL */
1.134 jsing 65: struct tls;
1.154 deraadt 66: #endif /* !NOSSL */
1.61 deraadt 67:
1.1 millert 68: #include "ftp_var.h"
1.86 martynas 69: #include "cmds.h"
1.1 millert 70:
1.186 jca 71: static int file_get(const char *, const char *);
1.157 deraadt 72: static int url_get(const char *, const char *, const char *, int);
1.178 jca 73: static int save_chunked(FILE *, struct tls *, int , char *, size_t);
1.177 jca 74: static void aborthttp(int);
75: static char hextochar(const char *);
76: static char *urldecode(const char *);
77: static char *recode_credentials(const char *_userinfo);
1.189 jca 78: static void ftp_close(FILE **, struct tls **, int *);
1.177 jca 79: static const char *sockerror(struct tls *);
1.184 jca 80: #ifdef SMALL
81: #define ftp_printf(fp, ...) fprintf(fp, __VA_ARGS__)
82: #else
83: static int ftp_printf(FILE *, const char *, ...);
84: #endif /* SMALL */
1.158 jca 85: #ifndef NOSSL
1.177 jca 86: static int proxy_connect(int, char *, char *);
87: static int stdio_tls_write_wrapper(void *, const char *, int);
88: static int stdio_tls_read_wrapper(void *, char *, int);
1.158 jca 89: #endif /* !NOSSL */
1.14 millert 90:
1.1 millert 91: #define FTP_URL "ftp://" /* ftp URL prefix */
92: #define HTTP_URL "http://" /* http URL prefix */
1.61 deraadt 93: #define HTTPS_URL "https://" /* https URL prefix */
1.22 deraadt 94: #define FILE_URL "file:" /* file URL prefix */
1.6 millert 95: #define FTP_PROXY "ftp_proxy" /* env var with ftp proxy location */
1.1 millert 96: #define HTTP_PROXY "http_proxy" /* env var with http proxy location */
97:
98: #define EMPTYSTRING(x) ((x) == NULL || (*(x) == '\0'))
99:
1.110 guenther 100: static const char at_encoding_warning[] =
1.53 deraadt 101: "Extra `@' characters in usernames and passwords should be encoded as %%40";
1.37 heko 102:
1.177 jca 103: static jmp_buf httpabort;
1.1 millert 104:
1.54 fgsch 105: static int redirect_loop;
1.171 jca 106: static int retried;
1.54 fgsch 107:
1.1 millert 108: /*
1.95 martynas 109: * Determine whether the character needs encoding, per RFC1738:
1.160 krw 110: * - No corresponding graphic US-ASCII.
111: * - Unsafe characters.
1.95 martynas 112: */
113: static int
1.138 jca 114: unsafe_char(const char *c0)
1.95 martynas 115: {
116: const char *unsafe_chars = " <>\"#{}|\\^~[]`";
1.138 jca 117: const unsigned char *c = (const unsigned char *)c0;
1.95 martynas 118:
119: /*
120: * No corresponding graphic US-ASCII.
121: * Control characters and octets not used in US-ASCII.
122: */
123: return (iscntrl(*c) || !isascii(*c) ||
124:
125: /*
126: * Unsafe characters.
127: * '%' is also unsafe, if is not followed by two
128: * hexadecimal digits.
129: */
130: strchr(unsafe_chars, *c) != NULL ||
131: (*c == '%' && (!isxdigit(*++c) || !isxdigit(*++c))));
132: }
133:
134: /*
135: * Encode given URL, per RFC1738.
136: * Allocate and return string to the caller.
137: */
138: static char *
139: url_encode(const char *path)
140: {
141: size_t i, length, new_length;
142: char *epath, *epathp;
143:
144: length = new_length = strlen(path);
145:
146: /*
147: * First pass:
148: * Count unsafe characters, and determine length of the
149: * final URL.
150: */
151: for (i = 0; i < length; i++)
152: if (unsafe_char(path + i))
153: new_length += 2;
154:
155: epath = epathp = malloc(new_length + 1); /* One more for '\0'. */
156: if (epath == NULL)
1.102 halex 157: err(1, "Can't allocate memory for URL encoding");
1.95 martynas 158:
159: /*
160: * Second pass:
161: * Encode, and copy final URL.
162: */
163: for (i = 0; i < length; i++)
164: if (unsafe_char(path + i)) {
1.138 jca 165: snprintf(epathp, 4, "%%" "%02x",
166: (unsigned char)path[i]);
1.95 martynas 167: epathp += 3;
168: } else
169: *(epathp++) = path[i];
170:
171: *epathp = '\0';
172: return (epath);
173: }
174:
1.155 deraadt 175: /* ARGSUSED */
176: static void
177: tooslow(int signo)
178: {
179: dprintf(STDERR_FILENO, "%s: connect taking too long\n", __progname);
180: _exit(2);
181: }
182:
1.95 martynas 183: /*
1.186 jca 184: * Copy a local file (used by the OpenBSD installer).
185: * Returns -1 on failure, 0 on success
186: */
187: static int
188: file_get(const char *path, const char *outfile)
189: {
190: struct stat st;
1.195 jca 191: int fd, out = -1, rval = -1, save_errno;
1.186 jca 192: volatile sig_t oldintr, oldinti;
193: const char *savefile;
1.198 naddy 194: char *buf = NULL, *cp, *pathbuf = NULL;
1.186 jca 195: const size_t buflen = 128 * 1024;
196: off_t hashbytes;
197: ssize_t len, wlen;
198:
199: direction = "received";
200:
201: fd = open(path, O_RDONLY);
202: if (fd == -1) {
203: warn("Can't open file %s", path);
204: return -1;
205: }
206:
207: if (fstat(fd, &st) == -1)
208: filesize = -1;
209: else
210: filesize = st.st_size;
211:
212: if (outfile != NULL)
213: savefile = outfile;
214: else {
215: if (path[strlen(path) - 1] == '/') /* Consider no file */
216: savefile = NULL; /* after dir invalid. */
1.198 naddy 217: else {
218: pathbuf = strdup(path);
219: if (pathbuf == NULL)
220: errx(1, "Can't allocate memory for filename");
221: savefile = basename(pathbuf);
222: }
1.186 jca 223: }
224:
225: if (EMPTYSTRING(savefile)) {
226: warnx("No filename after directory (use -o): %s", path);
227: goto cleanup_copy;
228: }
229:
230: /* Open the output file. */
231: if (!pipeout) {
232: out = open(savefile, O_CREAT | O_WRONLY | O_TRUNC, 0666);
233: if (out == -1) {
234: warn("Can't open %s", savefile);
235: goto cleanup_copy;
236: }
237: } else
238: out = fileno(stdout);
239:
240: if ((buf = malloc(buflen)) == NULL)
241: errx(1, "Can't allocate memory for transfer buffer");
242:
243: /* Trap signals */
244: oldintr = NULL;
245: oldinti = NULL;
246: if (setjmp(httpabort)) {
247: if (oldintr)
248: (void)signal(SIGINT, oldintr);
249: if (oldinti)
250: (void)signal(SIGINFO, oldinti);
251: goto cleanup_copy;
252: }
1.197 kn 253: oldintr = signal(SIGINT, aborthttp);
1.186 jca 254:
255: bytes = 0;
256: hashbytes = mark;
257: progressmeter(-1, path);
258:
259: /* Finally, suck down the file. */
260: oldinti = signal(SIGINFO, psummary);
261: while ((len = read(fd, buf, buflen)) > 0) {
262: bytes += len;
263: for (cp = buf; len > 0; len -= wlen, cp += wlen) {
264: if ((wlen = write(out, cp, len)) == -1) {
265: warn("Writing %s", savefile);
1.196 jca 266: signal(SIGINT, oldintr);
1.186 jca 267: signal(SIGINFO, oldinti);
268: goto cleanup_copy;
269: }
270: }
271: if (hash && !progress) {
272: while (bytes >= hashbytes) {
273: (void)putc('#', ttyout);
274: hashbytes += mark;
275: }
276: (void)fflush(ttyout);
277: }
278: }
279: save_errno = errno;
1.196 jca 280: signal(SIGINT, oldintr);
1.186 jca 281: signal(SIGINFO, oldinti);
282: if (hash && !progress && bytes > 0) {
283: if (bytes < mark)
284: (void)putc('#', ttyout);
285: (void)putc('\n', ttyout);
286: (void)fflush(ttyout);
287: }
288: if (len == -1) {
289: warnc(save_errno, "Reading from file");
290: goto cleanup_copy;
291: }
292: progressmeter(1, NULL);
293: if (verbose)
294: ptransfer(0);
295:
296: rval = 0;
297:
298: cleanup_copy:
299: free(buf);
1.198 naddy 300: free(pathbuf);
1.186 jca 301: if (out >= 0 && out != fileno(stdout))
302: close(out);
303: close(fd);
304:
305: return rval;
306: }
307:
308: /*
1.6 millert 309: * Retrieve URL, via the proxy in $proxyvar if necessary.
1.1 millert 310: * Returns -1 on failure, 0 on success
311: */
1.14 millert 312: static int
1.157 deraadt 313: url_get(const char *origline, const char *proxyenv, const char *outfile, int lastfile)
1.1 millert 314: {
1.69 jsg 315: char pbuf[NI_MAXSERV], hbuf[NI_MAXHOST], *cp, *portnum, *path, ststr[4];
1.62 ray 316: char *hosttail, *cause = "unknown", *newline, *host, *port, *buf = NULL;
1.175 deraadt 317: char *epath, *redirurl, *loctail, *h, *p, gerror[200];
1.189 jca 318: int error, isftpurl = 0, isredirect = 0, rval = -1;
1.172 jca 319: int isunavail = 0, retryafter = -1;
1.152 krw 320: struct addrinfo hints, *res0, *res;
1.189 jca 321: const char *savefile;
1.198 naddy 322: char *pathbuf = NULL;
1.189 jca 323: char *proxyurl = NULL;
1.190 yasuoka 324: char *credentials = NULL, *proxy_credentials = NULL;
1.189 jca 325: int fd = -1, out = -1;
1.97 martynas 326: volatile sig_t oldintr, oldinti;
1.53 deraadt 327: FILE *fin = NULL;
1.1 millert 328: off_t hashbytes;
1.58 grunk 329: const char *errstr;
1.114 tedu 330: ssize_t len, wlen;
1.201 ! naddy 331: size_t bufsize;
1.136 bluhm 332: char *proxyhost = NULL;
1.154 deraadt 333: #ifndef NOSSL
1.61 deraadt 334: char *sslpath = NULL, *sslhost = NULL;
1.193 jca 335: int ishttpsurl = 0;
1.159 krw 336: #endif /* !NOSSL */
337: #ifndef SMALL
1.181 jca 338: char *full_host = NULL;
339: const char *scheme;
1.159 krw 340: char *locbase;
1.152 krw 341: struct addrinfo *ares = NULL;
1.200 robert 342: char tmbuf[32];
343: time_t mtime = 0;
344: struct stat stbuf;
345: struct tm lmt = { 0 };
346: struct timespec ts[2];
1.181 jca 347: #endif /* !SMALL */
1.134 jsing 348: struct tls *tls = NULL;
1.70 deraadt 349: int status;
1.105 haesbaer 350: int save_errno;
1.113 tedu 351: const size_t buflen = 128 * 1024;
1.178 jca 352: int chunked = 0;
1.14 millert 353:
1.97 martynas 354: direction = "received";
355:
1.62 ray 356: newline = strdup(origline);
357: if (newline == NULL)
1.14 millert 358: errx(1, "Can't allocate memory to parse URL");
1.102 halex 359: if (strncasecmp(newline, HTTP_URL, sizeof(HTTP_URL) - 1) == 0) {
1.62 ray 360: host = newline + sizeof(HTTP_URL) - 1;
1.102 halex 361: #ifndef SMALL
362: scheme = HTTP_URL;
363: #endif /* !SMALL */
364: } else if (strncasecmp(newline, FTP_URL, sizeof(FTP_URL) - 1) == 0) {
1.62 ray 365: host = newline + sizeof(FTP_URL) - 1;
1.14 millert 366: isftpurl = 1;
1.102 halex 367: #ifndef SMALL
368: scheme = FTP_URL;
369: #endif /* !SMALL */
1.183 jca 370: } else if (strncasecmp(newline, HTTPS_URL, sizeof(HTTPS_URL) - 1) == 0) {
1.154 deraadt 371: #ifndef NOSSL
1.62 ray 372: host = newline + sizeof(HTTPS_URL) - 1;
1.61 deraadt 373: ishttpsurl = 1;
1.183 jca 374: #else
375: errx(1, "%s: No HTTPS support", newline);
376: #endif /* !NOSSL */
1.181 jca 377: #ifndef SMALL
1.102 halex 378: scheme = HTTPS_URL;
1.181 jca 379: #endif /* !SMALL */
1.14 millert 380: } else
1.186 jca 381: errx(1, "%s: URL not permitted", newline);
1.6 millert 382:
1.186 jca 383: path = strchr(host, '/'); /* Find path */
1.191 jca 384:
385: /*
386: * Look for auth header in host.
387: * Basic auth from RFC 2617, valid characters for path are in
388: * RFC 3986 section 3.3.
389: */
1.193 jca 390: if (!isftpurl) {
1.191 jca 391: p = strchr(host, '@');
392: if (p != NULL && (path == NULL || p < path)) {
393: *p++ = '\0';
394: credentials = recode_credentials(host);
395:
396: /* Overwrite userinfo */
397: memmove(host, p, strlen(p) + 1);
398: path = strchr(host, '/');
399: }
400: }
401:
1.186 jca 402: if (EMPTYSTRING(path)) {
403: if (outfile) { /* No slash, but */
404: path = strchr(host,'\0'); /* we have outfile. */
405: goto noslash;
1.22 deraadt 406: }
1.186 jca 407: if (isftpurl)
408: goto noftpautologin;
409: warnx("No `/' after host (use -o): %s", origline);
410: goto cleanup_url_get;
411: }
412: *path++ = '\0';
413: if (EMPTYSTRING(path) && !outfile) {
414: if (isftpurl)
415: goto noftpautologin;
416: warnx("No filename after host (use -o): %s", origline);
417: goto cleanup_url_get;
1.14 millert 418: }
1.1 millert 419:
1.93 martynas 420: noslash:
1.17 millert 421: if (outfile)
422: savefile = outfile;
1.93 martynas 423: else {
424: if (path[strlen(path) - 1] == '/') /* Consider no file */
425: savefile = NULL; /* after dir invalid. */
1.198 naddy 426: else {
427: pathbuf = strdup(path);
428: if (pathbuf == NULL)
429: errx(1, "Can't allocate memory for filename");
430: savefile = basename(pathbuf);
431: }
1.75 martynas 432: }
433:
1.14 millert 434: if (EMPTYSTRING(savefile)) {
435: if (isftpurl)
436: goto noftpautologin;
1.94 martynas 437: warnx("No filename after directory (use -o): %s", origline);
1.6 millert 438: goto cleanup_url_get;
1.14 millert 439: }
1.1 millert 440:
1.93 martynas 441: #ifndef SMALL
1.100 halex 442: if (resume && pipeout) {
1.93 martynas 443: warnx("can't append to stdout");
444: goto cleanup_url_get;
445: }
446: #endif /* !SMALL */
447:
1.186 jca 448: if (proxyenv != NULL) { /* use proxy */
1.154 deraadt 449: #ifndef NOSSL
1.61 deraadt 450: if (ishttpsurl) {
451: sslpath = strdup(path);
452: sslhost = strdup(host);
453: if (! sslpath || ! sslhost)
454: errx(1, "Can't allocate memory for https path/host.");
455: }
1.154 deraadt 456: #endif /* !NOSSL */
1.136 bluhm 457: proxyhost = strdup(host);
458: if (proxyhost == NULL)
459: errx(1, "Can't allocate memory for proxy host.");
1.62 ray 460: proxyurl = strdup(proxyenv);
461: if (proxyurl == NULL)
1.14 millert 462: errx(1, "Can't allocate memory for proxy URL.");
1.62 ray 463: if (strncasecmp(proxyurl, HTTP_URL, sizeof(HTTP_URL) - 1) == 0)
464: host = proxyurl + sizeof(HTTP_URL) - 1;
465: else if (strncasecmp(proxyurl, FTP_URL, sizeof(FTP_URL) - 1) == 0)
466: host = proxyurl + sizeof(FTP_URL) - 1;
1.6 millert 467: else {
1.14 millert 468: warnx("Malformed proxy URL: %s", proxyenv);
1.6 millert 469: goto cleanup_url_get;
470: }
1.14 millert 471: if (EMPTYSTRING(host)) {
472: warnx("Malformed proxy URL: %s", proxyenv);
1.6 millert 473: goto cleanup_url_get;
1.14 millert 474: }
1.93 martynas 475: if (*--path == '\0')
476: *path = '/'; /* add / back to real path */
1.1 millert 477: path = strchr(host, '/'); /* remove trailing / on host */
1.42 deraadt 478: if (!EMPTYSTRING(path))
1.73 drahn 479: *path++ = '\0'; /* i guess this ++ is useless */
480:
481: path = strchr(host, '@'); /* look for credentials in proxy */
482: if (!EMPTYSTRING(path)) {
1.81 espie 483: *path = '\0';
1.123 guenther 484: if (strchr(host, ':') == NULL) {
1.73 drahn 485: warnx("Malformed proxy URL: %s", proxyenv);
486: goto cleanup_url_get;
487: }
1.190 yasuoka 488: proxy_credentials = recode_credentials(host);
1.81 espie 489: *path = '@'; /* restore @ in proxyurl */
1.123 guenther 490:
1.73 drahn 491: /*
1.81 espie 492: * This removes the password from proxyurl,
1.73 drahn 493: * filling with stars
494: */
1.81 espie 495: for (host = 1 + strchr(proxyurl + 5, ':'); *host != '@';
1.179 deraadt 496: host++)
1.73 drahn 497: *host = '*';
498:
1.81 espie 499: host = path + 1;
1.73 drahn 500: }
1.123 guenther 501:
1.62 ray 502: path = newline;
1.1 millert 503: }
504:
1.28 itojun 505: if (*host == '[' && (hosttail = strrchr(host, ']')) != NULL &&
506: (hosttail[1] == '\0' || hosttail[1] == ':')) {
507: host++;
508: *hosttail++ = '\0';
1.102 halex 509: #ifndef SMALL
510: if (asprintf(&full_host, "[%s]", host) == -1)
511: errx(1, "Cannot allocate memory for hostname");
512: #endif /* !SMALL */
1.28 itojun 513: } else
514: hosttail = host;
515:
516: portnum = strrchr(hosttail, ':'); /* find portnum */
1.1 millert 517: if (portnum != NULL)
518: *portnum++ = '\0';
1.154 deraadt 519: #ifndef NOSSL
1.150 millert 520: port = portnum ? portnum : (ishttpsurl ? httpsport : httpport);
1.154 deraadt 521: #else /* !NOSSL */
1.150 millert 522: port = portnum ? portnum : httpport;
1.154 deraadt 523: #endif /* !NOSSL */
1.1 millert 524:
1.80 martynas 525: #ifndef SMALL
1.102 halex 526: if (full_host == NULL)
527: if ((full_host = strdup(host)) == NULL)
528: errx(1, "Cannot allocate memory for hostname");
1.1 millert 529: if (debug)
1.106 haesbaer 530: fprintf(ttyout, "host %s, port %s, path %s, "
1.150 millert 531: "save as %s, auth %s.\n", host, port, path,
532: savefile, credentials ? credentials : "none");
1.80 martynas 533: #endif /* !SMALL */
1.1 millert 534:
1.25 itojun 535: memset(&hints, 0, sizeof(hints));
1.39 deraadt 536: hints.ai_family = family;
1.25 itojun 537: hints.ai_socktype = SOCK_STREAM;
538: error = getaddrinfo(host, port, &hints, &res0);
1.61 deraadt 539: /*
540: * If the services file is corrupt/missing, fall back
541: * on our hard-coded defines.
542: */
1.30 deraadt 543: if (error == EAI_SERVICE && port == httpport) {
544: snprintf(pbuf, sizeof(pbuf), "%d", HTTP_PORT);
545: error = getaddrinfo(host, pbuf, &hints, &res0);
1.154 deraadt 546: #ifndef NOSSL
1.61 deraadt 547: } else if (error == EAI_SERVICE && port == httpsport) {
548: snprintf(pbuf, sizeof(pbuf), "%d", HTTPS_PORT);
549: error = getaddrinfo(host, pbuf, &hints, &res0);
1.154 deraadt 550: #endif /* !NOSSL */
1.30 deraadt 551: }
1.25 itojun 552: if (error) {
1.122 guenther 553: warnx("%s: %s", host, gai_strerror(error));
1.25 itojun 554: goto cleanup_url_get;
1.1 millert 555: }
556:
1.105 haesbaer 557: #ifndef SMALL
558: if (srcaddr) {
559: hints.ai_flags |= AI_NUMERICHOST;
560: error = getaddrinfo(srcaddr, NULL, &hints, &ares);
561: if (error) {
1.122 guenther 562: warnx("%s: %s", srcaddr, gai_strerror(error));
1.105 haesbaer 563: goto cleanup_url_get;
564: }
565: }
566: #endif /* !SMALL */
1.135 deraadt 567:
568: /* ensure consistent order of the output */
569: if (verbose)
570: setvbuf(ttyout, NULL, _IOLBF, 0);
1.105 haesbaer 571:
1.166 procter 572: fd = -1;
1.25 itojun 573: for (res = res0; res; res = res->ai_next) {
1.44 itojun 574: if (getnameinfo(res->ai_addr, res->ai_addrlen, hbuf,
575: sizeof(hbuf), NULL, 0, NI_NUMERICHOST) != 0)
576: strlcpy(hbuf, "(unknown)", sizeof(hbuf));
1.41 deraadt 577: if (verbose)
1.44 itojun 578: fprintf(ttyout, "Trying %s...\n", hbuf);
1.14 millert 579:
1.166 procter 580: fd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
581: if (fd == -1) {
1.25 itojun 582: cause = "socket";
583: continue;
1.1 millert 584: }
585:
1.105 haesbaer 586: #ifndef SMALL
587: if (srcaddr) {
588: if (ares->ai_family != res->ai_family) {
1.166 procter 589: close(fd);
590: fd = -1;
1.105 haesbaer 591: errno = EINVAL;
592: cause = "bind";
593: continue;
594: }
1.170 deraadt 595: if (bind(fd, ares->ai_addr, ares->ai_addrlen) == -1) {
1.105 haesbaer 596: save_errno = errno;
1.166 procter 597: close(fd);
1.105 haesbaer 598: errno = save_errno;
1.166 procter 599: fd = -1;
1.105 haesbaer 600: cause = "bind";
601: continue;
602: }
603: }
604: #endif /* !SMALL */
605:
1.155 deraadt 606: if (connect_timeout) {
607: (void)signal(SIGALRM, tooslow);
608: alarmtimer(connect_timeout);
609: }
610:
1.166 procter 611: for (error = connect(fd, res->ai_addr, res->ai_addrlen);
612: error != 0 && errno == EINTR; error = connect_wait(fd))
1.149 millert 613: continue;
614: if (error != 0) {
1.57 otto 615: save_errno = errno;
1.166 procter 616: close(fd);
1.57 otto 617: errno = save_errno;
1.166 procter 618: fd = -1;
1.25 itojun 619: cause = "connect";
1.19 deraadt 620: continue;
621: }
1.25 itojun 622:
1.29 itojun 623: /* get port in numeric */
624: if (getnameinfo(res->ai_addr, res->ai_addrlen, NULL, 0,
625: pbuf, sizeof(pbuf), NI_NUMERICSERV) == 0)
626: port = pbuf;
627: else
628: port = NULL;
629:
1.158 jca 630: #ifndef NOSSL
1.61 deraadt 631: if (proxyenv && sslhost)
1.190 yasuoka 632: proxy_connect(fd, sslhost, proxy_credentials);
1.158 jca 633: #endif /* !NOSSL */
1.25 itojun 634: break;
635: }
636: freeaddrinfo(res0);
1.105 haesbaer 637: #ifndef SMALL
638: if (srcaddr)
639: freeaddrinfo(ares);
640: #endif /* !SMALL */
1.166 procter 641: if (fd < 0) {
1.33 millert 642: warn("%s", cause);
1.6 millert 643: goto cleanup_url_get;
1.1 millert 644: }
645:
1.154 deraadt 646: #ifndef NOSSL
1.61 deraadt 647: if (ishttpsurl) {
1.187 beck 648: ssize_t ret;
1.61 deraadt 649: if (proxyenv && sslpath) {
650: ishttpsurl = 0;
1.62 ray 651: proxyurl = NULL;
1.61 deraadt 652: path = sslpath;
653: }
1.131 jca 654: if (sslhost == NULL) {
655: sslhost = strdup(host);
656: if (sslhost == NULL)
657: errx(1, "Can't allocate memory for https host.");
1.116 jca 658: }
1.134 jsing 659: if ((tls = tls_client()) == NULL) {
1.126 jsing 660: fprintf(ttyout, "failed to create SSL client\n");
1.61 deraadt 661: goto cleanup_url_get;
662: }
1.134 jsing 663: if (tls_configure(tls, tls_config) != 0) {
1.187 beck 664: fprintf(ttyout, "TLS configuration failure: %s\n",
1.134 jsing 665: tls_error(tls));
1.61 deraadt 666: goto cleanup_url_get;
1.117 jca 667: }
1.166 procter 668: if (tls_connect_socket(tls, fd, sslhost) != 0) {
1.187 beck 669: fprintf(ttyout, "TLS connect failure: %s\n", tls_error(tls));
1.72 ray 670: goto cleanup_url_get;
1.118 jca 671: }
1.187 beck 672: do {
673: ret = tls_handshake(tls);
674: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
675: if (ret != 0) {
676: fprintf(ttyout, "TLS handshake failure: %s\n", tls_error(tls));
1.176 jca 677: goto cleanup_url_get;
678: }
679: fin = funopen(tls, stdio_tls_read_wrapper,
680: stdio_tls_write_wrapper, NULL, NULL);
1.61 deraadt 681: } else {
1.166 procter 682: fin = fdopen(fd, "r+");
683: fd = -1;
1.61 deraadt 684: }
1.154 deraadt 685: #else /* !NOSSL */
1.166 procter 686: fin = fdopen(fd, "r+");
687: fd = -1;
1.154 deraadt 688: #endif /* !NOSSL */
1.155 deraadt 689:
1.157 deraadt 690: #ifdef SMALL
691: if (lastfile) {
692: if (pipeout) {
693: if (pledge("stdio rpath inet dns tty", NULL) == -1)
694: err(1, "pledge");
695: } else {
696: if (pledge("stdio rpath wpath cpath inet dns tty", NULL) == -1)
697: err(1, "pledge");
698: }
699: }
700: #endif
701:
1.155 deraadt 702: if (connect_timeout) {
703: signal(SIGALRM, SIG_DFL);
704: alarmtimer(0);
705: }
1.40 fgsch 706:
1.1 millert 707: /*
1.40 fgsch 708: * Construct and send the request. Proxy requests don't want leading /.
1.1 millert 709: */
1.154 deraadt 710: #ifndef NOSSL
1.74 pyr 711: cookie_get(host, path, ishttpsurl, &buf);
1.154 deraadt 712: #endif /* !NOSSL */
1.95 martynas 713:
714: epath = url_encode(path);
1.62 ray 715: if (proxyurl) {
1.151 millert 716: if (verbose) {
717: fprintf(ttyout, "Requesting %s (via %s)\n",
718: origline, proxyurl);
719: }
1.32 itojun 720: /*
721: * Host: directive must use the destination host address for
1.136 bluhm 722: * the original URI (path).
1.32 itojun 723: */
1.190 yasuoka 724: ftp_printf(fin, "GET %s HTTP/1.1\r\n"
725: "Connection: close\r\n"
726: "Host: %s\r\n%s%s\r\n",
727: epath, proxyhost, buf ? buf : "", httpuseragent);
1.123 guenther 728: if (credentials)
1.190 yasuoka 729: ftp_printf(fin, "Authorization: Basic %s\r\n",
730: credentials);
731: if (proxy_credentials)
732: ftp_printf(fin, "Proxy-Authorization: Basic %s\r\n",
733: proxy_credentials);
734: ftp_printf(fin, "\r\n");
1.28 itojun 735: } else {
1.151 millert 736: if (verbose)
737: fprintf(ttyout, "Requesting %s\n", origline);
1.90 martynas 738: #ifndef SMALL
1.200 robert 739: if (resume || timestamp) {
740: if (stat(savefile, &stbuf) == 0) {
741: if (resume)
742: restart_point = stbuf.st_size;
743: if (timestamp)
744: mtime = stbuf.st_mtime;
745: } else {
1.90 martynas 746: restart_point = 0;
1.200 robert 747: mtime = 0;
748: }
1.90 martynas 749: }
1.154 deraadt 750: #endif /* SMALL */
1.194 jca 751: ftp_printf(fin,
752: "GET /%s HTTP/1.1\r\n"
753: "Connection: close\r\n"
754: "Host: ", epath);
1.136 bluhm 755: if (proxyhost) {
1.184 jca 756: ftp_printf(fin, "%s", proxyhost);
1.136 bluhm 757: port = NULL;
758: } else if (strchr(host, ':')) {
1.55 fgsch 759: /*
760: * strip off scoped address portion, since it's
761: * local to node
762: */
1.32 itojun 763: h = strdup(host);
764: if (h == NULL)
765: errx(1, "Can't allocate memory.");
766: if ((p = strchr(h, '%')) != NULL)
767: *p = '\0';
1.184 jca 768: ftp_printf(fin, "[%s]", h);
1.32 itojun 769: free(h);
1.55 fgsch 770: } else
1.184 jca 771: ftp_printf(fin, "%s", host);
1.55 fgsch 772:
773: /*
774: * Send port number only if it's specified and does not equal
775: * 80. Some broken HTTP servers get confused if you explicitly
776: * send them the port number.
777: */
1.154 deraadt 778: #ifndef NOSSL
1.61 deraadt 779: if (port && strcmp(port, (ishttpsurl ? "443" : "80")) != 0)
1.184 jca 780: ftp_printf(fin, ":%s", port);
1.90 martynas 781: if (restart_point)
1.184 jca 782: ftp_printf(fin, "\r\nRange: bytes=%lld-",
1.75 martynas 783: (long long)restart_point);
1.154 deraadt 784: #else /* !NOSSL */
1.55 fgsch 785: if (port && strcmp(port, "80") != 0)
1.184 jca 786: ftp_printf(fin, ":%s", port);
1.154 deraadt 787: #endif /* !NOSSL */
1.200 robert 788:
789: #ifndef SMALL
790: if (mtime && (http_time(mtime, tmbuf, sizeof(tmbuf)) != 0))
791: ftp_printf(fin, "\r\nIf-Modified-Since: %s", tmbuf);
792: #endif /* SMALL */
793:
1.194 jca 794: ftp_printf(fin, "\r\n%s%s\r\n",
1.124 lteo 795: buf ? buf : "", httpuseragent);
1.194 jca 796: if (credentials)
797: ftp_printf(fin, "Authorization: Basic %s\r\n",
798: credentials);
799: ftp_printf(fin, "\r\n");
1.28 itojun 800: }
1.95 martynas 801: free(epath);
1.74 pyr 802:
1.154 deraadt 803: #ifndef NOSSL
1.74 pyr 804: free(buf);
1.156 tb 805: #endif /* !NOSSL */
1.74 pyr 806: buf = NULL;
1.201 ! naddy 807: bufsize = 0;
1.74 pyr 808:
1.176 jca 809: if (fflush(fin) == EOF) {
810: warnx("Writing HTTP request: %s", sockerror(tls));
1.6 millert 811: goto cleanup_url_get;
1.1 millert 812: }
1.201 ! naddy 813: if ((len = getline(&buf, &bufsize, fin)) == -1) {
1.176 jca 814: warnx("Receiving HTTP reply: %s", sockerror(tls));
1.40 fgsch 815: goto cleanup_url_get;
1.1 millert 816: }
1.40 fgsch 817:
818: while (len > 0 && (buf[len-1] == '\r' || buf[len-1] == '\n'))
819: buf[--len] = '\0';
1.80 martynas 820: #ifndef SMALL
1.40 fgsch 821: if (debug)
822: fprintf(ttyout, "received '%s'\n", buf);
1.80 martynas 823: #endif /* !SMALL */
1.40 fgsch 824:
1.1 millert 825: cp = strchr(buf, ' ');
826: if (cp == NULL)
827: goto improper;
828: else
829: cp++;
1.69 jsg 830:
831: strlcpy(ststr, cp, sizeof(ststr));
1.171 jca 832: status = strtonum(ststr, 200, 503, &errstr);
1.69 jsg 833: if (errstr) {
1.175 deraadt 834: strnvis(gerror, cp, sizeof gerror, VIS_SAFE);
835: warnx("Error retrieving %s: %s", origline, gerror);
1.69 jsg 836: goto cleanup_url_get;
837: }
838:
839: switch (status) {
840: case 200: /* OK */
1.75 martynas 841: #ifndef SMALL
1.109 sthen 842: /*
1.98 phessler 843: * When we request a partial file, and we receive an HTTP 200
844: * it is a good indication that the server doesn't support
845: * range requests, and is about to send us the entire file.
846: * If the restart_point == 0, then we are not actually
847: * requesting a partial file, and an HTTP 200 is appropriate.
848: */
849: if (resume && restart_point != 0) {
850: warnx("Server does not support resume.");
851: restart_point = resume = 0;
852: }
1.101 halex 853: /* FALLTHROUGH */
1.75 martynas 854: case 206: /* Partial Content */
1.91 halex 855: #endif /* !SMALL */
1.69 jsg 856: break;
857: case 301: /* Moved Permanently */
858: case 302: /* Found */
859: case 303: /* See Other */
860: case 307: /* Temporary Redirect */
1.199 chrisz 861: case 308: /* Permanent Redirect (RFC 7538) */
1.40 fgsch 862: isredirect++;
1.54 fgsch 863: if (redirect_loop++ > 10) {
864: warnx("Too many redirections requested");
865: goto cleanup_url_get;
866: }
1.69 jsg 867: break;
1.75 martynas 868: #ifndef SMALL
1.200 robert 869: case 304: /* Not Modified */
870: warnx("File is not modified on the server");
871: goto cleanup_url_get;
1.75 martynas 872: case 416: /* Requested Range Not Satisfiable */
873: warnx("File is already fully retrieved.");
874: goto cleanup_url_get;
1.78 martynas 875: #endif /* !SMALL */
1.171 jca 876: case 503:
1.172 jca 877: isunavail = 1;
878: break;
1.69 jsg 879: default:
1.175 deraadt 880: strnvis(gerror, cp, sizeof gerror, VIS_SAFE);
881: warnx("Error retrieving %s: %s", origline, gerror);
1.6 millert 882: goto cleanup_url_get;
1.1 millert 883: }
884:
885: /*
886: * Read the rest of the header.
887: */
1.40 fgsch 888: filesize = -1;
889:
1.62 ray 890: for (;;) {
1.201 ! naddy 891: if ((len = getline(&buf, &bufsize, fin)) == -1) {
1.176 jca 892: warnx("Receiving HTTP reply: %s", sockerror(tls));
1.40 fgsch 893: goto cleanup_url_get;
894: }
1.61 deraadt 895:
1.40 fgsch 896: while (len > 0 && (buf[len-1] == '\r' || buf[len-1] == '\n'))
897: buf[--len] = '\0';
898: if (len == 0)
1.1 millert 899: break;
1.80 martynas 900: #ifndef SMALL
1.40 fgsch 901: if (debug)
902: fprintf(ttyout, "received '%s'\n", buf);
1.80 martynas 903: #endif /* !SMALL */
1.1 millert 904:
1.40 fgsch 905: /* Look for some headers */
906: cp = buf;
1.1 millert 907: #define CONTENTLEN "Content-Length: "
1.40 fgsch 908: if (strncasecmp(cp, CONTENTLEN, sizeof(CONTENTLEN) - 1) == 0) {
1.104 sthen 909: size_t s;
1.40 fgsch 910: cp += sizeof(CONTENTLEN) - 1;
1.111 deraadt 911: if ((s = strcspn(cp, " \t")))
1.104 sthen 912: *(cp+s) = 0;
1.58 grunk 913: filesize = strtonum(cp, 0, LLONG_MAX, &errstr);
914: if (errstr != NULL)
1.40 fgsch 915: goto improper;
1.75 martynas 916: #ifndef SMALL
1.90 martynas 917: if (restart_point)
1.75 martynas 918: filesize += restart_point;
1.78 martynas 919: #endif /* !SMALL */
1.40 fgsch 920: #define LOCATION "Location: "
921: } else if (isredirect &&
922: strncasecmp(cp, LOCATION, sizeof(LOCATION) - 1) == 0) {
923: cp += sizeof(LOCATION) - 1;
1.144 sthen 924: /*
925: * If there is a colon before the first slash, this URI
926: * is not relative. RFC 3986 4.2
927: */
928: if (cp[strcspn(cp, ":/")] != ':') {
1.102 halex 929: #ifdef SMALL
930: errx(1, "Relative redirect not supported");
931: #else /* SMALL */
1.144 sthen 932: /* XXX doesn't handle protocol-relative URIs */
1.102 halex 933: if (*cp == '/') {
934: locbase = NULL;
935: cp++;
936: } else {
937: locbase = strdup(path);
938: if (locbase == NULL)
939: errx(1, "Can't allocate memory"
940: " for location base");
941: loctail = strchr(locbase, '#');
942: if (loctail != NULL)
943: *loctail = '\0';
944: loctail = strchr(locbase, '?');
945: if (loctail != NULL)
946: *loctail = '\0';
947: loctail = strrchr(locbase, '/');
948: if (loctail == NULL) {
949: free(locbase);
950: locbase = NULL;
951: } else
952: loctail[1] = '\0';
953: }
954: /* Contruct URL from relative redirect */
955: if (asprintf(&redirurl, "%s%s%s%s/%s%s",
956: scheme, full_host,
957: portnum ? ":" : "",
958: portnum ? portnum : "",
959: locbase ? locbase : "",
960: cp) == -1)
961: errx(1, "Cannot build "
962: "redirect URL");
963: free(locbase);
964: #endif /* SMALL */
965: } else if ((redirurl = strdup(cp)) == NULL)
966: errx(1, "Cannot allocate memory for URL");
967: loctail = strchr(redirurl, '#');
968: if (loctail != NULL)
969: *loctail = '\0';
1.40 fgsch 970: if (verbose)
1.102 halex 971: fprintf(ttyout, "Redirected to %s\n", redirurl);
1.173 jca 972: ftp_close(&fin, &tls, &fd);
1.157 deraadt 973: rval = url_get(redirurl, proxyenv, savefile, lastfile);
1.102 halex 974: free(redirurl);
975: goto cleanup_url_get;
1.172 jca 976: #define RETRYAFTER "Retry-After: "
977: } else if (isunavail &&
978: strncasecmp(cp, RETRYAFTER, sizeof(RETRYAFTER) - 1) == 0) {
979: size_t s;
980: cp += sizeof(RETRYAFTER) - 1;
981: if ((s = strcspn(cp, " \t")))
982: cp[s] = '\0';
983: retryafter = strtonum(cp, 0, 0, &errstr);
984: if (errstr != NULL)
985: retryafter = -1;
1.178 jca 986: #define TRANSFER_ENCODING "Transfer-Encoding: "
987: } else if (strncasecmp(cp, TRANSFER_ENCODING,
988: sizeof(TRANSFER_ENCODING) - 1) == 0) {
989: cp += sizeof(TRANSFER_ENCODING) - 1;
990: cp[strcspn(cp, " \t")] = '\0';
991: if (strcasecmp(cp, "chunked") == 0)
992: chunked = 1;
1.200 robert 993: #ifndef SMALL
994: #define LAST_MODIFIED "Last-Modified: "
995: } else if (strncasecmp(cp, LAST_MODIFIED,
996: sizeof(LAST_MODIFIED) - 1) == 0) {
997: cp += sizeof(LAST_MODIFIED) - 1;
998: cp[strcspn(cp, "\t")] = '\0';
999: if (strptime(cp, "%a, %d %h %Y %T %Z", &lmt) == NULL)
1000: server_timestamps = 0;
1001: #endif /* !SMALL */
1.40 fgsch 1002: }
1.172 jca 1003: }
1.201 ! naddy 1004: free(buf);
1.172 jca 1005:
1.178 jca 1006: /* Content-Length should be ignored for Transfer-Encoding: chunked */
1007: if (chunked)
1008: filesize = -1;
1009:
1.172 jca 1010: if (isunavail) {
1011: if (retried || retryafter != 0)
1.175 deraadt 1012: warnx("Error retrieving %s: 503 Service Unavailable",
1013: origline);
1.172 jca 1014: else {
1015: if (verbose)
1016: fprintf(ttyout, "Retrying %s\n", origline);
1017: retried = 1;
1.174 jca 1018: ftp_close(&fin, &tls, &fd);
1.172 jca 1019: rval = url_get(origline, proxyenv, savefile, lastfile);
1020: }
1021: goto cleanup_url_get;
1.1 millert 1022: }
1023:
1.17 millert 1024: /* Open the output file. */
1.100 halex 1025: if (!pipeout) {
1.75 martynas 1026: #ifndef SMALL
1027: if (resume)
1.83 martynas 1028: out = open(savefile, O_CREAT | O_WRONLY | O_APPEND,
1029: 0666);
1.75 martynas 1030: else
1.78 martynas 1031: #endif /* !SMALL */
1.75 martynas 1032: out = open(savefile, O_CREAT | O_WRONLY | O_TRUNC,
1033: 0666);
1.170 deraadt 1034: if (out == -1) {
1.10 deraadt 1035: warn("Can't open %s", savefile);
1036: goto cleanup_url_get;
1037: }
1.157 deraadt 1038: } else {
1.17 millert 1039: out = fileno(stdout);
1.157 deraadt 1040: #ifdef SMALL
1041: if (lastfile) {
1042: if (pledge("stdio tty", NULL) == -1)
1043: err(1, "pledge");
1044: }
1045: #endif
1046: }
1.1 millert 1047:
1.189 jca 1048: if ((buf = malloc(buflen)) == NULL)
1049: errx(1, "Can't allocate memory for transfer buffer");
1050:
1.1 millert 1051: /* Trap signals */
1052: oldintr = NULL;
1.97 martynas 1053: oldinti = NULL;
1.1 millert 1054: if (setjmp(httpabort)) {
1055: if (oldintr)
1.2 millert 1056: (void)signal(SIGINT, oldintr);
1.97 martynas 1057: if (oldinti)
1058: (void)signal(SIGINFO, oldinti);
1.6 millert 1059: goto cleanup_url_get;
1.1 millert 1060: }
1061: oldintr = signal(SIGINT, aborthttp);
1062:
1063: bytes = 0;
1064: hashbytes = mark;
1.84 martynas 1065: progressmeter(-1, path);
1.43 millert 1066:
1.1 millert 1067: /* Finally, suck down the file. */
1.97 martynas 1068: oldinti = signal(SIGINFO, psummary);
1.178 jca 1069: if (chunked) {
1.182 jca 1070: error = save_chunked(fin, tls, out, buf, buflen);
1.196 jca 1071: signal(SIGINT, oldintr);
1.182 jca 1072: signal(SIGINFO, oldinti);
1073: if (error == -1)
1.178 jca 1074: goto cleanup_url_get;
1075: } else {
1.188 jca 1076: while ((len = fread(buf, 1, buflen, fin)) > 0) {
1.178 jca 1077: bytes += len;
1.188 jca 1078: for (cp = buf; len > 0; len -= wlen, cp += wlen) {
1079: if ((wlen = write(out, cp, len)) == -1) {
1.178 jca 1080: warn("Writing %s", savefile);
1.196 jca 1081: signal(SIGINT, oldintr);
1.178 jca 1082: signal(SIGINFO, oldinti);
1083: goto cleanup_url_get;
1.188 jca 1084: }
1.178 jca 1085: }
1086: if (hash && !progress) {
1087: while (bytes >= hashbytes) {
1088: (void)putc('#', ttyout);
1089: hashbytes += mark;
1090: }
1091: (void)fflush(ttyout);
1.1 millert 1092: }
1093: }
1.188 jca 1094: save_errno = errno;
1.196 jca 1095: signal(SIGINT, oldintr);
1.178 jca 1096: signal(SIGINFO, oldinti);
1097: if (hash && !progress && bytes > 0) {
1098: if (bytes < mark)
1.10 deraadt 1099: (void)putc('#', ttyout);
1.178 jca 1100: (void)putc('\n', ttyout);
1.10 deraadt 1101: (void)fflush(ttyout);
1.1 millert 1102: }
1.188 jca 1103: if (len == 0 && ferror(fin)) {
1104: errno = save_errno;
1.178 jca 1105: warnx("Reading from socket: %s", sockerror(tls));
1106: goto cleanup_url_get;
1107: }
1.1 millert 1108: }
1.84 martynas 1109: progressmeter(1, NULL);
1.75 martynas 1110: if (
1111: #ifndef SMALL
1112: !resume &&
1.78 martynas 1113: #endif /* !SMALL */
1.75 martynas 1114: filesize != -1 && len == 0 && bytes != filesize) {
1.24 deraadt 1115: if (verbose)
1116: fputs("Read short file.\n", ttyout);
1117: goto cleanup_url_get;
1118: }
1119:
1.1 millert 1120: if (verbose)
1.97 martynas 1121: ptransfer(0);
1.1 millert 1122:
1.40 fgsch 1123: rval = 0;
1124: goto cleanup_url_get;
1.1 millert 1125:
1.14 millert 1126: noftpautologin:
1127: warnx(
1128: "Auto-login using ftp URLs isn't supported when using $ftp_proxy");
1129: goto cleanup_url_get;
1130:
1.1 millert 1131: improper:
1.8 millert 1132: warnx("Improper response from %s", host);
1.14 millert 1133:
1.6 millert 1134: cleanup_url_get:
1.181 jca 1135: #ifndef SMALL
1136: free(full_host);
1137: #endif /* !SMALL */
1.154 deraadt 1138: #ifndef NOSSL
1.128 jca 1139: free(sslhost);
1.154 deraadt 1140: #endif /* !NOSSL */
1.173 jca 1141: ftp_close(&fin, &tls, &fd);
1.200 robert 1142: if (out >= 0 && out != fileno(stdout)) {
1143: #ifndef SMALL
1144: if (server_timestamps && lmt.tm_zone != 0) {
1145: ts[0].tv_nsec = UTIME_NOW;
1146: ts[1].tv_nsec = 0;
1147: setenv("TZ", lmt.tm_zone, 1);
1148: if (((ts[1].tv_sec = mktime(&lmt)) != -1) &&
1149: (futimens(out, ts) == -1))
1150: warnx("Unable to set file modification time");
1151: }
1152: #endif /* !SMALL */
1.162 sthen 1153: close(out);
1.200 robert 1154: }
1.67 steven 1155: free(buf);
1.198 naddy 1156: free(pathbuf);
1.136 bluhm 1157: free(proxyhost);
1.67 steven 1158: free(proxyurl);
1.62 ray 1159: free(newline);
1.123 guenther 1160: free(credentials);
1.190 yasuoka 1161: free(proxy_credentials);
1.40 fgsch 1162: return (rval);
1.178 jca 1163: }
1164:
1165: static int
1166: save_chunked(FILE *fin, struct tls *tls, int out, char *buf, size_t buflen)
1167: {
1168:
1.201 ! naddy 1169: char *header = NULL, *end, *cp;
1.178 jca 1170: unsigned long chunksize;
1.201 ! naddy 1171: size_t hsize = 0, rlen, wlen;
1.178 jca 1172: ssize_t written;
1173: char cr, lf;
1174:
1175: for (;;) {
1.201 ! naddy 1176: if (getline(&header, &hsize, fin) == -1)
1.178 jca 1177: break;
1178: /* strip CRLF and any optional chunk extension */
1179: header[strcspn(header, ";\r\n")] = '\0';
1180: errno = 0;
1181: chunksize = strtoul(header, &end, 16);
1182: if (errno || header[0] == '\0' || *end != '\0' ||
1183: chunksize > INT_MAX) {
1184: warnx("Invalid chunk size '%s'", header);
1185: free(header);
1186: return -1;
1187: }
1188:
1189: if (chunksize == 0) {
1190: /* We're done. Ignore optional trailer. */
1.201 ! naddy 1191: free(header);
1.178 jca 1192: return 0;
1193: }
1194:
1195: for (written = 0; chunksize != 0; chunksize -= rlen) {
1196: rlen = (chunksize < buflen) ? chunksize : buflen;
1197: rlen = fread(buf, 1, rlen, fin);
1198: if (rlen == 0)
1199: break;
1200: bytes += rlen;
1201: for (cp = buf, wlen = rlen; wlen > 0;
1.179 deraadt 1202: wlen -= written, cp += written) {
1.178 jca 1203: if ((written = write(out, cp, wlen)) == -1) {
1204: warn("Writing output file");
1.201 ! naddy 1205: free(header);
1.178 jca 1206: return -1;
1207: }
1208: }
1209: }
1210:
1211: if (rlen == 0 ||
1212: fread(&cr, 1, 1, fin) != 1 ||
1213: fread(&lf, 1, 1, fin) != 1)
1214: break;
1215:
1216: if (cr != '\r' || lf != '\n') {
1217: warnx("Invalid chunked encoding");
1.201 ! naddy 1218: free(header);
1.178 jca 1219: return -1;
1220: }
1221: }
1.201 ! naddy 1222: free(header);
1.178 jca 1223:
1224: if (ferror(fin))
1225: warnx("Error while reading from socket: %s", sockerror(tls));
1226: else
1227: warnx("Invalid chunked encoding: short read");
1228:
1229: return -1;
1.1 millert 1230: }
1231:
1232: /*
1233: * Abort a http retrieval
1234: */
1.51 deraadt 1235: /* ARGSUSED */
1.177 jca 1236: static void
1.51 deraadt 1237: aborthttp(int signo)
1.1 millert 1238: {
1.197 kn 1239: const char errmsg[] = "\nfetch aborted.\n";
1.1 millert 1240:
1241: alarmtimer(0);
1.197 kn 1242: write(fileno(ttyout), errmsg, sizeof(errmsg) - 1);
1.22 deraadt 1243: longjmp(httpabort, 1);
1244: }
1245:
1246: /*
1.1 millert 1247: * Retrieve multiple files from the command line, transferring
1248: * files of the form "host:path", "ftp://host/path" using the
1249: * ftp protocol, and files of the form "http://host/path" using
1250: * the http protocol.
1.2 millert 1251: * If path has a trailing "/", then return (-1);
1.1 millert 1252: * the path will be cd-ed into and the connection remains open,
1253: * and the function will return -1 (to indicate the connection
1254: * is alive).
1255: * If an error occurs the return value will be the offset+1 in
1256: * argv[] of the file that caused a problem (i.e, argv[x]
1257: * returns x+1)
1258: * Otherwise, 0 is returned if all files retrieved successfully.
1259: */
1260: int
1.50 deraadt 1261: auto_fetch(int argc, char *argv[], char *outfile)
1.1 millert 1262: {
1263: char *xargv[5];
1.62 ray 1264: char *cp, *url, *host, *dir, *file, *portnum;
1265: char *username, *pass, *pathstart;
1.6 millert 1266: char *ftpproxy, *httpproxy;
1.157 deraadt 1267: int rval, xargc, lastfile;
1.14 millert 1268: volatile int argpos;
1.49 krw 1269: int dirhasglob, filehasglob, oautologin;
1.137 deraadt 1270: char rempath[PATH_MAX];
1.1 millert 1271:
1272: argpos = 0;
1273:
1274: if (setjmp(toplevel)) {
1275: if (connected)
1276: disconnect(0, NULL);
1.2 millert 1277: return (argpos + 1);
1.1 millert 1278: }
1.3 millert 1279: (void)signal(SIGINT, (sig_t)intr);
1280: (void)signal(SIGPIPE, (sig_t)lostpeer);
1.1 millert 1281:
1.45 millert 1282: if ((ftpproxy = getenv(FTP_PROXY)) != NULL && *ftpproxy == '\0')
1283: ftpproxy = NULL;
1284: if ((httpproxy = getenv(HTTP_PROXY)) != NULL && *httpproxy == '\0')
1285: httpproxy = NULL;
1.6 millert 1286:
1.1 millert 1287: /*
1288: * Loop through as long as there's files to fetch.
1289: */
1.123 guenther 1290: username = pass = NULL;
1.62 ray 1291: for (rval = 0; (rval == 0) && (argpos < argc); free(url), argpos++) {
1.1 millert 1292: if (strchr(argv[argpos], ':') == NULL)
1293: break;
1.123 guenther 1294:
1295: free(username);
1296: free(pass);
1.62 ray 1297: host = dir = file = portnum = username = pass = NULL;
1.1 millert 1298:
1.157 deraadt 1299: lastfile = (argv[argpos+1] == NULL);
1300:
1.1 millert 1301: /*
1302: * We muck with the string, so we make a copy.
1303: */
1.62 ray 1304: url = strdup(argv[argpos]);
1305: if (url == NULL)
1.1 millert 1306: errx(1, "Can't allocate memory for auto-fetch.");
1307:
1.186 jca 1308: if (strncasecmp(url, FILE_URL, sizeof(FILE_URL) - 1) == 0) {
1309: if (file_get(url + sizeof(FILE_URL) - 1, outfile) == -1)
1310: rval = argpos + 1;
1311: continue;
1312: }
1313:
1.1 millert 1314: /*
1.186 jca 1315: * Try HTTP URL-style arguments next.
1.1 millert 1316: */
1.62 ray 1317: if (strncasecmp(url, HTTP_URL, sizeof(HTTP_URL) - 1) == 0 ||
1.186 jca 1318: strncasecmp(url, HTTPS_URL, sizeof(HTTPS_URL) -1) == 0) {
1.54 fgsch 1319: redirect_loop = 0;
1.171 jca 1320: retried = 0;
1.157 deraadt 1321: if (url_get(url, httpproxy, outfile, lastfile) == -1)
1.1 millert 1322: rval = argpos + 1;
1323: continue;
1324: }
1325:
1326: /*
1.6 millert 1327: * Try FTP URL-style arguments next. If ftpproxy is
1328: * set, use url_get() instead of standard ftp.
1329: * Finally, try host:file.
1.1 millert 1330: */
1.62 ray 1331: host = url;
1332: if (strncasecmp(url, FTP_URL, sizeof(FTP_URL) - 1) == 0) {
1.37 heko 1333: char *passend, *passagain, *userend;
1.31 itojun 1334:
1.6 millert 1335: if (ftpproxy) {
1.157 deraadt 1336: if (url_get(url, ftpproxy, outfile, lastfile) == -1)
1.6 millert 1337: rval = argpos + 1;
1338: continue;
1339: }
1.1 millert 1340: host += sizeof(FTP_URL) - 1;
1.8 millert 1341: dir = strchr(host, '/');
1.1 millert 1342:
1.8 millert 1343: /* Look for [user:pass@]host[:port] */
1.31 itojun 1344:
1345: /* check if we have "user:pass@" */
1.37 heko 1346: userend = strchr(host, ':');
1.31 itojun 1347: passend = strchr(host, '@');
1348: if (passend && userend && userend < passend &&
1349: (!dir || passend < dir)) {
1.62 ray 1350: username = host;
1.31 itojun 1351: pass = userend + 1;
1352: host = passend + 1;
1353: *userend = *passend = '\0';
1.37 heko 1354: passagain = strchr(host, '@');
1.42 deraadt 1355: if (strchr(pass, '@') != NULL ||
1.37 heko 1356: (passagain != NULL && passagain < dir)) {
1357: warnx(at_encoding_warning);
1.123 guenther 1358: username = pass = NULL;
1.37 heko 1359: goto bad_ftp_url;
1.42 deraadt 1360: }
1.31 itojun 1361:
1.77 martynas 1362: if (EMPTYSTRING(username)) {
1.11 millert 1363: bad_ftp_url:
1.31 itojun 1364: warnx("Invalid URL: %s", argv[argpos]);
1365: rval = argpos + 1;
1.123 guenther 1366: username = pass = NULL;
1.31 itojun 1367: continue;
1368: }
1.62 ray 1369: username = urldecode(username);
1.37 heko 1370: pass = urldecode(pass);
1.8 millert 1371: }
1.31 itojun 1372:
1373: /* check [host]:port, or [host] */
1374: if (host[0] == '[') {
1375: cp = strchr(host, ']');
1376: if (cp && (!dir || cp < dir)) {
1377: if (cp + 1 == dir || cp[1] == ':') {
1378: host++;
1379: *cp++ = '\0';
1380: } else
1381: cp = NULL;
1382: } else
1383: cp = host;
1.25 itojun 1384: } else
1385: cp = host;
1.31 itojun 1386:
1387: /* split off host[:port] if there is */
1388: if (cp) {
1389: portnum = strchr(cp, ':');
1.52 henning 1390: pathstart = strchr(cp, '/');
1391: /* : in path is not a port # indicator */
1392: if (portnum && pathstart &&
1393: pathstart < portnum)
1394: portnum = NULL;
1395:
1.31 itojun 1396: if (!portnum)
1397: ;
1398: else {
1399: if (!dir)
1400: ;
1401: else if (portnum + 1 < dir) {
1402: *portnum++ = '\0';
1403: /*
1404: * XXX should check if portnum
1405: * is decimal number
1406: */
1407: } else {
1408: /* empty portnum */
1409: goto bad_ftp_url;
1410: }
1411: }
1412: } else
1413: portnum = NULL;
1.8 millert 1414: } else { /* classic style `host:file' */
1415: dir = strchr(host, ':');
1416: }
1.1 millert 1417: if (EMPTYSTRING(host)) {
1418: rval = argpos + 1;
1419: continue;
1420: }
1421:
1422: /*
1.9 millert 1423: * If dir is NULL, the file wasn't specified
1.1 millert 1424: * (URL looked something like ftp://host)
1425: */
1.8 millert 1426: if (dir != NULL)
1427: *dir++ = '\0';
1.1 millert 1428:
1429: /*
1430: * Extract the file and (if present) directory name.
1431: */
1.42 deraadt 1432: if (!EMPTYSTRING(dir)) {
1.8 millert 1433: cp = strrchr(dir, '/');
1.1 millert 1434: if (cp != NULL) {
1435: *cp++ = '\0';
1436: file = cp;
1437: } else {
1438: file = dir;
1439: dir = NULL;
1440: }
1441: }
1.80 martynas 1442: #ifndef SMALL
1.1 millert 1443: if (debug)
1.42 deraadt 1444: fprintf(ttyout,
1445: "user %s:%s host %s port %s dir %s file %s\n",
1.76 martynas 1446: username, pass ? "XXXX" : NULL, host, portnum,
1447: dir, file);
1.80 martynas 1448: #endif /* !SMALL */
1.1 millert 1449:
1450: /*
1.49 krw 1451: * Set up the connection.
1.1 millert 1452: */
1.49 krw 1453: if (connected)
1454: disconnect(0, NULL);
1455: xargv[0] = __progname;
1456: xargv[1] = host;
1.8 millert 1457: xargv[2] = NULL;
1.49 krw 1458: xargc = 2;
1459: if (!EMPTYSTRING(portnum)) {
1460: xargv[2] = portnum;
1461: xargv[3] = NULL;
1462: xargc = 3;
1463: }
1464: oautologin = autologin;
1.88 martynas 1465: if (username == NULL)
1.89 halex 1466: anonftp = 1;
1467: else {
1468: anonftp = 0;
1.49 krw 1469: autologin = 0;
1.89 halex 1470: }
1.49 krw 1471: setpeer(xargc, xargv);
1472: autologin = oautologin;
1.87 martynas 1473: if (connected == 0 ||
1474: (connected == 1 && autologin && (username == NULL ||
1475: !ftp_login(host, username, pass)))) {
1.49 krw 1476: warnx("Can't connect or login to host `%s'", host);
1.8 millert 1477: rval = argpos + 1;
1478: continue;
1.1 millert 1479: }
1.49 krw 1480:
1481: /* Always use binary transfers. */
1482: setbinary(0, NULL);
1.1 millert 1483:
1.4 millert 1484: dirhasglob = filehasglob = 0;
1485: if (doglob) {
1.42 deraadt 1486: if (!EMPTYSTRING(dir) &&
1.4 millert 1487: strpbrk(dir, "*?[]{}") != NULL)
1488: dirhasglob = 1;
1.42 deraadt 1489: if (!EMPTYSTRING(file) &&
1.4 millert 1490: strpbrk(file, "*?[]{}") != NULL)
1491: filehasglob = 1;
1492: }
1493:
1.1 millert 1494: /* Change directories, if necessary. */
1.42 deraadt 1495: if (!EMPTYSTRING(dir) && !dirhasglob) {
1.1 millert 1496: xargv[0] = "cd";
1497: xargv[1] = dir;
1498: xargv[2] = NULL;
1499: cd(2, xargv);
1.42 deraadt 1500: if (!dirchange) {
1.1 millert 1501: rval = argpos + 1;
1502: continue;
1503: }
1504: }
1505:
1506: if (EMPTYSTRING(file)) {
1.86 martynas 1507: #ifndef SMALL
1.1 millert 1508: rval = -1;
1.86 martynas 1509: #else /* !SMALL */
1510: recvrequest("NLST", "-", NULL, "w", 0, 0);
1511: rval = 0;
1512: #endif /* !SMALL */
1.1 millert 1513: continue;
1514: }
1515:
1.21 marc 1516: if (verbose)
1.10 deraadt 1517: fprintf(ttyout, "Retrieving %s/%s\n", dir ? dir : "", file);
1.1 millert 1518:
1.4 millert 1519: if (dirhasglob) {
1520: snprintf(rempath, sizeof(rempath), "%s/%s", dir, file);
1521: file = rempath;
1522: }
1523:
1524: /* Fetch the file(s). */
1.10 deraadt 1525: xargc = 2;
1.1 millert 1526: xargv[0] = "get";
1527: xargv[1] = file;
1528: xargv[2] = NULL;
1.4 millert 1529: if (dirhasglob || filehasglob) {
1530: int ointeractive;
1531:
1532: ointeractive = interactive;
1533: interactive = 0;
1534: xargv[0] = "mget";
1.78 martynas 1535: #ifndef SMALL
1536: if (resume) {
1537: xargc = 3;
1538: xargv[1] = "-c";
1539: xargv[2] = file;
1540: xargv[3] = NULL;
1541: }
1542: #endif /* !SMALL */
1.10 deraadt 1543: mget(xargc, xargv);
1.5 millert 1544: interactive = ointeractive;
1.10 deraadt 1545: } else {
1.17 millert 1546: if (outfile != NULL) {
1547: xargv[2] = outfile;
1548: xargv[3] = NULL;
1.10 deraadt 1549: xargc++;
1550: }
1.75 martynas 1551: #ifndef SMALL
1552: if (resume)
1553: reget(xargc, xargv);
1554: else
1.78 martynas 1555: #endif /* !SMALL */
1.75 martynas 1556: get(xargc, xargv);
1.10 deraadt 1557: }
1.1 millert 1558:
1.4 millert 1559: if ((code / 100) != COMPLETE)
1.1 millert 1560: rval = argpos + 1;
1561: }
1562: if (connected && rval != -1)
1563: disconnect(0, NULL);
1564: return (rval);
1.37 heko 1565: }
1566:
1567: char *
1.50 deraadt 1568: urldecode(const char *str)
1.37 heko 1569: {
1.53 deraadt 1570: char *ret, c;
1571: int i, reallen;
1.37 heko 1572:
1.53 deraadt 1573: if (str == NULL)
1574: return NULL;
1575: if ((ret = malloc(strlen(str)+1)) == NULL)
1576: err(1, "Can't allocate memory for URL decoding");
1577: for (i = 0, reallen = 0; str[i] != '\0'; i++, reallen++, ret++) {
1578: c = str[i];
1579: if (c == '+') {
1580: *ret = ' ';
1581: continue;
1582: }
1.61 deraadt 1583:
1584: /* Cannot use strtol here because next char
1585: * after %xx may be a digit.
1586: */
1.143 guenther 1587: if (c == '%' && isxdigit((unsigned char)str[i+1]) &&
1588: isxdigit((unsigned char)str[i+2])) {
1.53 deraadt 1589: *ret = hextochar(&str[i+1]);
1590: i+=2;
1591: continue;
1592: }
1593: *ret = c;
1594: }
1595: *ret = '\0';
1596:
1597: return ret-reallen;
1.123 guenther 1598: }
1599:
1.177 jca 1600: static char *
1.123 guenther 1601: recode_credentials(const char *userinfo)
1602: {
1603: char *ui, *creds;
1604: size_t ulen, credsize;
1605:
1606: /* url-decode the user and pass */
1607: ui = urldecode(userinfo);
1608:
1609: ulen = strlen(ui);
1610: credsize = (ulen + 2) / 3 * 4 + 1;
1611: creds = malloc(credsize);
1612: if (creds == NULL)
1613: errx(1, "out of memory");
1614: if (b64_ntop(ui, ulen, creds, credsize) == -1)
1615: errx(1, "error in base64 encoding");
1616: free(ui);
1617: return (creds);
1.37 heko 1618: }
1619:
1.177 jca 1620: static char
1.50 deraadt 1621: hextochar(const char *str)
1.37 heko 1622: {
1.143 guenther 1623: unsigned char c, ret;
1.37 heko 1624:
1.53 deraadt 1625: c = str[0];
1626: ret = c;
1627: if (isalpha(c))
1628: ret -= isupper(c) ? 'A' - 10 : 'a' - 10;
1629: else
1630: ret -= '0';
1631: ret *= 16;
1632:
1633: c = str[1];
1634: ret += c;
1635: if (isalpha(c))
1636: ret -= isupper(c) ? 'A' - 10 : 'a' - 10;
1637: else
1638: ret -= '0';
1639: return ret;
1.25 itojun 1640: }
1641:
1642: int
1.50 deraadt 1643: isurl(const char *p)
1.25 itojun 1644: {
1.27 millert 1645:
1.26 deraadt 1646: if (strncasecmp(p, FTP_URL, sizeof(FTP_URL) - 1) == 0 ||
1647: strncasecmp(p, HTTP_URL, sizeof(HTTP_URL) - 1) == 0 ||
1.154 deraadt 1648: #ifndef NOSSL
1.61 deraadt 1649: strncasecmp(p, HTTPS_URL, sizeof(HTTPS_URL) - 1) == 0 ||
1.154 deraadt 1650: #endif /* !NOSSL */
1.27 millert 1651: strncasecmp(p, FILE_URL, sizeof(FILE_URL) - 1) == 0 ||
1652: strstr(p, ":/"))
1653: return (1);
1654: return (0);
1.173 jca 1655: }
1.184 jca 1656:
1657: #ifndef SMALL
1658: static int
1659: ftp_printf(FILE *fp, const char *fmt, ...)
1660: {
1661: va_list ap;
1662: int ret;
1663:
1664: va_start(ap, fmt);
1665: ret = vfprintf(fp, fmt, ap);
1666: va_end(ap);
1667:
1668: if (debug) {
1669: va_start(ap, fmt);
1670: vfprintf(ttyout, fmt, ap);
1671: va_end(ap);
1672: }
1673:
1674: return ret;
1675: }
1676: #endif /* !SMALL */
1.173 jca 1677:
1.177 jca 1678: static void
1.189 jca 1679: ftp_close(FILE **fin, struct tls **tls, int *fd)
1.173 jca 1680: {
1681: #ifndef NOSSL
1682: int ret;
1683:
1684: if (*tls != NULL) {
1685: if (tls_session_fd != -1)
1686: dprintf(STDERR_FILENO, "tls session resumed: %s\n",
1687: tls_conn_session_resumed(*tls) ? "yes" : "no");
1688: do {
1689: ret = tls_close(*tls);
1690: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
1691: tls_free(*tls);
1692: *tls = NULL;
1693: }
1.176 jca 1694: if (*fd != -1) {
1695: close(*fd);
1696: *fd = -1;
1697: }
1.173 jca 1698: #endif
1699: if (*fin != NULL) {
1700: fclose(*fin);
1701: *fin = NULL;
1702: }
1.61 deraadt 1703: }
1704:
1.177 jca 1705: static const char *
1.176 jca 1706: sockerror(struct tls *tls)
1707: {
1708: int save_errno = errno;
1.154 deraadt 1709: #ifndef NOSSL
1.176 jca 1710: if (tls != NULL) {
1711: const char *tlserr = tls_error(tls);
1712: if (tlserr != NULL)
1713: return tlserr;
1.139 bluhm 1714: }
1.176 jca 1715: #endif
1716: return strerror(save_errno);
1.61 deraadt 1717: }
1718:
1.176 jca 1719: #ifndef NOSSL
1.177 jca 1720: static int
1.81 espie 1721: proxy_connect(int socket, char *host, char *cookie)
1.61 deraadt 1722: {
1.66 ray 1723: int l;
1.61 deraadt 1724: char buf[1024];
1.192 yasuoka 1725: char *connstr, *hosttail, *port;
1.61 deraadt 1726:
1727: if (*host == '[' && (hosttail = strrchr(host, ']')) != NULL &&
1728: (hosttail[1] == '\0' || hosttail[1] == ':')) {
1729: host++;
1730: *hosttail++ = '\0';
1731: } else
1732: hosttail = host;
1733:
1.179 deraadt 1734: port = strrchr(hosttail, ':'); /* find portnum */
1.61 deraadt 1735: if (port != NULL)
1736: *port++ = '\0';
1737: if (!port)
1738: port = "443";
1739:
1.81 espie 1740: if (cookie) {
1741: l = asprintf(&connstr, "CONNECT %s:%s HTTP/1.1\r\n"
1742: "Proxy-Authorization: Basic %s\r\n%s\r\n\r\n",
1743: host, port, cookie, HTTP_USER_AGENT);
1744: } else {
1745: l = asprintf(&connstr, "CONNECT %s:%s HTTP/1.1\r\n%s\r\n\r\n",
1746: host, port, HTTP_USER_AGENT);
1747: }
1748:
1.66 ray 1749: if (l == -1)
1.61 deraadt 1750: errx(1, "Could not allocate memory to assemble connect string!");
1.80 martynas 1751: #ifndef SMALL
1.68 ray 1752: if (debug)
1753: printf("%s", connstr);
1.80 martynas 1754: #endif /* !SMALL */
1.66 ray 1755: if (write(socket, connstr, l) != l)
1.68 ray 1756: err(1, "Could not send connect string");
1.192 yasuoka 1757: read(socket, &buf, sizeof(buf)); /* only proxy header XXX: error handling? */
1.71 ray 1758: free(connstr);
1.61 deraadt 1759: return(200);
1.176 jca 1760: }
1761:
1.177 jca 1762: static int
1.176 jca 1763: stdio_tls_write_wrapper(void *arg, const char *buf, int len)
1764: {
1765: struct tls *tls = arg;
1766: ssize_t ret;
1767:
1768: do {
1769: ret = tls_write(tls, buf, len);
1770: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
1771:
1772: return ret;
1773: }
1774:
1.177 jca 1775: static int
1.176 jca 1776: stdio_tls_read_wrapper(void *arg, char *buf, int len)
1777: {
1778: struct tls *tls = arg;
1779: ssize_t ret;
1780:
1781: do {
1782: ret = tls_read(tls, buf, len);
1783: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
1784:
1785: return ret;
1.61 deraadt 1786: }
1.158 jca 1787: #endif /* !NOSSL */
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