Annotation of src/usr.bin/ftp/fetch.c, Revision 1.200
1.200 ! robert 1: /* $OpenBSD: fetch.c,v 1.199 2021/01/01 17:39:54 chrisz 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>
1.40 fgsch 59: #include <util.h>
1.73 drahn 60: #include <resolv.h>
1.200 ! robert 61: #include <utime.h>
1.1 millert 62:
1.154 deraadt 63: #ifndef NOSSL
1.134 jsing 64: #include <tls.h>
1.154 deraadt 65: #else /* !NOSSL */
1.134 jsing 66: struct tls;
1.154 deraadt 67: #endif /* !NOSSL */
1.61 deraadt 68:
1.1 millert 69: #include "ftp_var.h"
1.86 martynas 70: #include "cmds.h"
1.1 millert 71:
1.186 jca 72: static int file_get(const char *, const char *);
1.157 deraadt 73: static int url_get(const char *, const char *, const char *, int);
1.178 jca 74: static int save_chunked(FILE *, struct tls *, int , char *, size_t);
1.177 jca 75: static void aborthttp(int);
76: static char hextochar(const char *);
77: static char *urldecode(const char *);
78: static char *recode_credentials(const char *_userinfo);
79: static char *ftp_readline(FILE *, size_t *);
1.189 jca 80: static void ftp_close(FILE **, struct tls **, int *);
1.177 jca 81: static const char *sockerror(struct tls *);
1.184 jca 82: #ifdef SMALL
83: #define ftp_printf(fp, ...) fprintf(fp, __VA_ARGS__)
84: #else
85: static int ftp_printf(FILE *, const char *, ...);
86: #endif /* SMALL */
1.158 jca 87: #ifndef NOSSL
1.177 jca 88: static int proxy_connect(int, char *, char *);
89: static int stdio_tls_write_wrapper(void *, const char *, int);
90: static int stdio_tls_read_wrapper(void *, char *, int);
1.158 jca 91: #endif /* !NOSSL */
1.14 millert 92:
1.1 millert 93: #define FTP_URL "ftp://" /* ftp URL prefix */
94: #define HTTP_URL "http://" /* http URL prefix */
1.61 deraadt 95: #define HTTPS_URL "https://" /* https URL prefix */
1.22 deraadt 96: #define FILE_URL "file:" /* file URL prefix */
1.6 millert 97: #define FTP_PROXY "ftp_proxy" /* env var with ftp proxy location */
1.1 millert 98: #define HTTP_PROXY "http_proxy" /* env var with http proxy location */
99:
100: #define EMPTYSTRING(x) ((x) == NULL || (*(x) == '\0'))
101:
1.110 guenther 102: static const char at_encoding_warning[] =
1.53 deraadt 103: "Extra `@' characters in usernames and passwords should be encoded as %%40";
1.37 heko 104:
1.177 jca 105: static jmp_buf httpabort;
1.1 millert 106:
1.54 fgsch 107: static int redirect_loop;
1.171 jca 108: static int retried;
1.54 fgsch 109:
1.1 millert 110: /*
1.95 martynas 111: * Determine whether the character needs encoding, per RFC1738:
1.160 krw 112: * - No corresponding graphic US-ASCII.
113: * - Unsafe characters.
1.95 martynas 114: */
115: static int
1.138 jca 116: unsafe_char(const char *c0)
1.95 martynas 117: {
118: const char *unsafe_chars = " <>\"#{}|\\^~[]`";
1.138 jca 119: const unsigned char *c = (const unsigned char *)c0;
1.95 martynas 120:
121: /*
122: * No corresponding graphic US-ASCII.
123: * Control characters and octets not used in US-ASCII.
124: */
125: return (iscntrl(*c) || !isascii(*c) ||
126:
127: /*
128: * Unsafe characters.
129: * '%' is also unsafe, if is not followed by two
130: * hexadecimal digits.
131: */
132: strchr(unsafe_chars, *c) != NULL ||
133: (*c == '%' && (!isxdigit(*++c) || !isxdigit(*++c))));
134: }
135:
136: /*
137: * Encode given URL, per RFC1738.
138: * Allocate and return string to the caller.
139: */
140: static char *
141: url_encode(const char *path)
142: {
143: size_t i, length, new_length;
144: char *epath, *epathp;
145:
146: length = new_length = strlen(path);
147:
148: /*
149: * First pass:
150: * Count unsafe characters, and determine length of the
151: * final URL.
152: */
153: for (i = 0; i < length; i++)
154: if (unsafe_char(path + i))
155: new_length += 2;
156:
157: epath = epathp = malloc(new_length + 1); /* One more for '\0'. */
158: if (epath == NULL)
1.102 halex 159: err(1, "Can't allocate memory for URL encoding");
1.95 martynas 160:
161: /*
162: * Second pass:
163: * Encode, and copy final URL.
164: */
165: for (i = 0; i < length; i++)
166: if (unsafe_char(path + i)) {
1.138 jca 167: snprintf(epathp, 4, "%%" "%02x",
168: (unsigned char)path[i]);
1.95 martynas 169: epathp += 3;
170: } else
171: *(epathp++) = path[i];
172:
173: *epathp = '\0';
174: return (epath);
175: }
176:
1.155 deraadt 177: /* ARGSUSED */
178: static void
179: tooslow(int signo)
180: {
181: dprintf(STDERR_FILENO, "%s: connect taking too long\n", __progname);
182: _exit(2);
183: }
184:
1.95 martynas 185: /*
1.186 jca 186: * Copy a local file (used by the OpenBSD installer).
187: * Returns -1 on failure, 0 on success
188: */
189: static int
190: file_get(const char *path, const char *outfile)
191: {
192: struct stat st;
1.195 jca 193: int fd, out = -1, rval = -1, save_errno;
1.186 jca 194: volatile sig_t oldintr, oldinti;
195: const char *savefile;
1.198 naddy 196: char *buf = NULL, *cp, *pathbuf = NULL;
1.186 jca 197: const size_t buflen = 128 * 1024;
198: off_t hashbytes;
199: ssize_t len, wlen;
200:
201: direction = "received";
202:
203: fd = open(path, O_RDONLY);
204: if (fd == -1) {
205: warn("Can't open file %s", path);
206: return -1;
207: }
208:
209: if (fstat(fd, &st) == -1)
210: filesize = -1;
211: else
212: filesize = st.st_size;
213:
214: if (outfile != NULL)
215: savefile = outfile;
216: else {
217: if (path[strlen(path) - 1] == '/') /* Consider no file */
218: savefile = NULL; /* after dir invalid. */
1.198 naddy 219: else {
220: pathbuf = strdup(path);
221: if (pathbuf == NULL)
222: errx(1, "Can't allocate memory for filename");
223: savefile = basename(pathbuf);
224: }
1.186 jca 225: }
226:
227: if (EMPTYSTRING(savefile)) {
228: warnx("No filename after directory (use -o): %s", path);
229: goto cleanup_copy;
230: }
231:
232: /* Open the output file. */
233: if (!pipeout) {
234: out = open(savefile, O_CREAT | O_WRONLY | O_TRUNC, 0666);
235: if (out == -1) {
236: warn("Can't open %s", savefile);
237: goto cleanup_copy;
238: }
239: } else
240: out = fileno(stdout);
241:
242: if ((buf = malloc(buflen)) == NULL)
243: errx(1, "Can't allocate memory for transfer buffer");
244:
245: /* Trap signals */
246: oldintr = NULL;
247: oldinti = NULL;
248: if (setjmp(httpabort)) {
249: if (oldintr)
250: (void)signal(SIGINT, oldintr);
251: if (oldinti)
252: (void)signal(SIGINFO, oldinti);
253: goto cleanup_copy;
254: }
1.197 kn 255: oldintr = signal(SIGINT, aborthttp);
1.186 jca 256:
257: bytes = 0;
258: hashbytes = mark;
259: progressmeter(-1, path);
260:
261: /* Finally, suck down the file. */
262: oldinti = signal(SIGINFO, psummary);
263: while ((len = read(fd, buf, buflen)) > 0) {
264: bytes += len;
265: for (cp = buf; len > 0; len -= wlen, cp += wlen) {
266: if ((wlen = write(out, cp, len)) == -1) {
267: warn("Writing %s", savefile);
1.196 jca 268: signal(SIGINT, oldintr);
1.186 jca 269: signal(SIGINFO, oldinti);
270: goto cleanup_copy;
271: }
272: }
273: if (hash && !progress) {
274: while (bytes >= hashbytes) {
275: (void)putc('#', ttyout);
276: hashbytes += mark;
277: }
278: (void)fflush(ttyout);
279: }
280: }
281: save_errno = errno;
1.196 jca 282: signal(SIGINT, oldintr);
1.186 jca 283: signal(SIGINFO, oldinti);
284: if (hash && !progress && bytes > 0) {
285: if (bytes < mark)
286: (void)putc('#', ttyout);
287: (void)putc('\n', ttyout);
288: (void)fflush(ttyout);
289: }
290: if (len == -1) {
291: warnc(save_errno, "Reading from file");
292: goto cleanup_copy;
293: }
294: progressmeter(1, NULL);
295: if (verbose)
296: ptransfer(0);
297:
298: rval = 0;
299:
300: cleanup_copy:
301: free(buf);
1.198 naddy 302: free(pathbuf);
1.186 jca 303: if (out >= 0 && out != fileno(stdout))
304: close(out);
305: close(fd);
306:
307: return rval;
308: }
309:
310: /*
1.6 millert 311: * Retrieve URL, via the proxy in $proxyvar if necessary.
1.1 millert 312: * Returns -1 on failure, 0 on success
313: */
1.14 millert 314: static int
1.157 deraadt 315: url_get(const char *origline, const char *proxyenv, const char *outfile, int lastfile)
1.1 millert 316: {
1.69 jsg 317: char pbuf[NI_MAXSERV], hbuf[NI_MAXHOST], *cp, *portnum, *path, ststr[4];
1.62 ray 318: char *hosttail, *cause = "unknown", *newline, *host, *port, *buf = NULL;
1.175 deraadt 319: char *epath, *redirurl, *loctail, *h, *p, gerror[200];
1.189 jca 320: int error, isftpurl = 0, isredirect = 0, rval = -1;
1.172 jca 321: int isunavail = 0, retryafter = -1;
1.152 krw 322: struct addrinfo hints, *res0, *res;
1.189 jca 323: const char *savefile;
1.198 naddy 324: char *pathbuf = NULL;
1.189 jca 325: char *proxyurl = NULL;
1.190 yasuoka 326: char *credentials = NULL, *proxy_credentials = NULL;
1.189 jca 327: int fd = -1, out = -1;
1.97 martynas 328: volatile sig_t oldintr, oldinti;
1.53 deraadt 329: FILE *fin = NULL;
1.1 millert 330: off_t hashbytes;
1.58 grunk 331: const char *errstr;
1.114 tedu 332: ssize_t len, wlen;
1.136 bluhm 333: char *proxyhost = NULL;
1.154 deraadt 334: #ifndef NOSSL
1.61 deraadt 335: char *sslpath = NULL, *sslhost = NULL;
1.193 jca 336: int ishttpsurl = 0;
1.159 krw 337: #endif /* !NOSSL */
338: #ifndef SMALL
1.181 jca 339: char *full_host = NULL;
340: const char *scheme;
1.159 krw 341: char *locbase;
1.152 krw 342: struct addrinfo *ares = NULL;
1.200 ! robert 343: char tmbuf[32];
! 344: time_t mtime = 0;
! 345: struct stat stbuf;
! 346: struct tm lmt = { 0 };
! 347: struct timespec ts[2];
1.181 jca 348: #endif /* !SMALL */
1.134 jsing 349: struct tls *tls = NULL;
1.70 deraadt 350: int status;
1.105 haesbaer 351: int save_errno;
1.113 tedu 352: const size_t buflen = 128 * 1024;
1.178 jca 353: int chunked = 0;
1.14 millert 354:
1.97 martynas 355: direction = "received";
356:
1.62 ray 357: newline = strdup(origline);
358: if (newline == NULL)
1.14 millert 359: errx(1, "Can't allocate memory to parse URL");
1.102 halex 360: if (strncasecmp(newline, HTTP_URL, sizeof(HTTP_URL) - 1) == 0) {
1.62 ray 361: host = newline + sizeof(HTTP_URL) - 1;
1.102 halex 362: #ifndef SMALL
363: scheme = HTTP_URL;
364: #endif /* !SMALL */
365: } else if (strncasecmp(newline, FTP_URL, sizeof(FTP_URL) - 1) == 0) {
1.62 ray 366: host = newline + sizeof(FTP_URL) - 1;
1.14 millert 367: isftpurl = 1;
1.102 halex 368: #ifndef SMALL
369: scheme = FTP_URL;
370: #endif /* !SMALL */
1.183 jca 371: } else if (strncasecmp(newline, HTTPS_URL, sizeof(HTTPS_URL) - 1) == 0) {
1.154 deraadt 372: #ifndef NOSSL
1.62 ray 373: host = newline + sizeof(HTTPS_URL) - 1;
1.61 deraadt 374: ishttpsurl = 1;
1.183 jca 375: #else
376: errx(1, "%s: No HTTPS support", newline);
377: #endif /* !NOSSL */
1.181 jca 378: #ifndef SMALL
1.102 halex 379: scheme = HTTPS_URL;
1.181 jca 380: #endif /* !SMALL */
1.14 millert 381: } else
1.186 jca 382: errx(1, "%s: URL not permitted", newline);
1.6 millert 383:
1.186 jca 384: path = strchr(host, '/'); /* Find path */
1.191 jca 385:
386: /*
387: * Look for auth header in host.
388: * Basic auth from RFC 2617, valid characters for path are in
389: * RFC 3986 section 3.3.
390: */
1.193 jca 391: if (!isftpurl) {
1.191 jca 392: p = strchr(host, '@');
393: if (p != NULL && (path == NULL || p < path)) {
394: *p++ = '\0';
395: credentials = recode_credentials(host);
396:
397: /* Overwrite userinfo */
398: memmove(host, p, strlen(p) + 1);
399: path = strchr(host, '/');
400: }
401: }
402:
1.186 jca 403: if (EMPTYSTRING(path)) {
404: if (outfile) { /* No slash, but */
405: path = strchr(host,'\0'); /* we have outfile. */
406: goto noslash;
1.22 deraadt 407: }
1.186 jca 408: if (isftpurl)
409: goto noftpautologin;
410: warnx("No `/' after host (use -o): %s", origline);
411: goto cleanup_url_get;
412: }
413: *path++ = '\0';
414: if (EMPTYSTRING(path) && !outfile) {
415: if (isftpurl)
416: goto noftpautologin;
417: warnx("No filename after host (use -o): %s", origline);
418: goto cleanup_url_get;
1.14 millert 419: }
1.1 millert 420:
1.93 martynas 421: noslash:
1.17 millert 422: if (outfile)
423: savefile = outfile;
1.93 martynas 424: else {
425: if (path[strlen(path) - 1] == '/') /* Consider no file */
426: savefile = NULL; /* after dir invalid. */
1.198 naddy 427: else {
428: pathbuf = strdup(path);
429: if (pathbuf == NULL)
430: errx(1, "Can't allocate memory for filename");
431: savefile = basename(pathbuf);
432: }
1.75 martynas 433: }
434:
1.14 millert 435: if (EMPTYSTRING(savefile)) {
436: if (isftpurl)
437: goto noftpautologin;
1.94 martynas 438: warnx("No filename after directory (use -o): %s", origline);
1.6 millert 439: goto cleanup_url_get;
1.14 millert 440: }
1.1 millert 441:
1.93 martynas 442: #ifndef SMALL
1.100 halex 443: if (resume && pipeout) {
1.93 martynas 444: warnx("can't append to stdout");
445: goto cleanup_url_get;
446: }
447: #endif /* !SMALL */
448:
1.186 jca 449: if (proxyenv != NULL) { /* use proxy */
1.154 deraadt 450: #ifndef NOSSL
1.61 deraadt 451: if (ishttpsurl) {
452: sslpath = strdup(path);
453: sslhost = strdup(host);
454: if (! sslpath || ! sslhost)
455: errx(1, "Can't allocate memory for https path/host.");
456: }
1.154 deraadt 457: #endif /* !NOSSL */
1.136 bluhm 458: proxyhost = strdup(host);
459: if (proxyhost == NULL)
460: errx(1, "Can't allocate memory for proxy host.");
1.62 ray 461: proxyurl = strdup(proxyenv);
462: if (proxyurl == NULL)
1.14 millert 463: errx(1, "Can't allocate memory for proxy URL.");
1.62 ray 464: if (strncasecmp(proxyurl, HTTP_URL, sizeof(HTTP_URL) - 1) == 0)
465: host = proxyurl + sizeof(HTTP_URL) - 1;
466: else if (strncasecmp(proxyurl, FTP_URL, sizeof(FTP_URL) - 1) == 0)
467: host = proxyurl + sizeof(FTP_URL) - 1;
1.6 millert 468: else {
1.14 millert 469: warnx("Malformed proxy URL: %s", proxyenv);
1.6 millert 470: goto cleanup_url_get;
471: }
1.14 millert 472: if (EMPTYSTRING(host)) {
473: warnx("Malformed proxy URL: %s", proxyenv);
1.6 millert 474: goto cleanup_url_get;
1.14 millert 475: }
1.93 martynas 476: if (*--path == '\0')
477: *path = '/'; /* add / back to real path */
1.1 millert 478: path = strchr(host, '/'); /* remove trailing / on host */
1.42 deraadt 479: if (!EMPTYSTRING(path))
1.73 drahn 480: *path++ = '\0'; /* i guess this ++ is useless */
481:
482: path = strchr(host, '@'); /* look for credentials in proxy */
483: if (!EMPTYSTRING(path)) {
1.81 espie 484: *path = '\0';
1.123 guenther 485: if (strchr(host, ':') == NULL) {
1.73 drahn 486: warnx("Malformed proxy URL: %s", proxyenv);
487: goto cleanup_url_get;
488: }
1.190 yasuoka 489: proxy_credentials = recode_credentials(host);
1.81 espie 490: *path = '@'; /* restore @ in proxyurl */
1.123 guenther 491:
1.73 drahn 492: /*
1.81 espie 493: * This removes the password from proxyurl,
1.73 drahn 494: * filling with stars
495: */
1.81 espie 496: for (host = 1 + strchr(proxyurl + 5, ':'); *host != '@';
1.179 deraadt 497: host++)
1.73 drahn 498: *host = '*';
499:
1.81 espie 500: host = path + 1;
1.73 drahn 501: }
1.123 guenther 502:
1.62 ray 503: path = newline;
1.1 millert 504: }
505:
1.28 itojun 506: if (*host == '[' && (hosttail = strrchr(host, ']')) != NULL &&
507: (hosttail[1] == '\0' || hosttail[1] == ':')) {
508: host++;
509: *hosttail++ = '\0';
1.102 halex 510: #ifndef SMALL
511: if (asprintf(&full_host, "[%s]", host) == -1)
512: errx(1, "Cannot allocate memory for hostname");
513: #endif /* !SMALL */
1.28 itojun 514: } else
515: hosttail = host;
516:
517: portnum = strrchr(hosttail, ':'); /* find portnum */
1.1 millert 518: if (portnum != NULL)
519: *portnum++ = '\0';
1.154 deraadt 520: #ifndef NOSSL
1.150 millert 521: port = portnum ? portnum : (ishttpsurl ? httpsport : httpport);
1.154 deraadt 522: #else /* !NOSSL */
1.150 millert 523: port = portnum ? portnum : httpport;
1.154 deraadt 524: #endif /* !NOSSL */
1.1 millert 525:
1.80 martynas 526: #ifndef SMALL
1.102 halex 527: if (full_host == NULL)
528: if ((full_host = strdup(host)) == NULL)
529: errx(1, "Cannot allocate memory for hostname");
1.1 millert 530: if (debug)
1.106 haesbaer 531: fprintf(ttyout, "host %s, port %s, path %s, "
1.150 millert 532: "save as %s, auth %s.\n", host, port, path,
533: savefile, credentials ? credentials : "none");
1.80 martynas 534: #endif /* !SMALL */
1.1 millert 535:
1.25 itojun 536: memset(&hints, 0, sizeof(hints));
1.39 deraadt 537: hints.ai_family = family;
1.25 itojun 538: hints.ai_socktype = SOCK_STREAM;
539: error = getaddrinfo(host, port, &hints, &res0);
1.61 deraadt 540: /*
541: * If the services file is corrupt/missing, fall back
542: * on our hard-coded defines.
543: */
1.30 deraadt 544: if (error == EAI_SERVICE && port == httpport) {
545: snprintf(pbuf, sizeof(pbuf), "%d", HTTP_PORT);
546: error = getaddrinfo(host, pbuf, &hints, &res0);
1.154 deraadt 547: #ifndef NOSSL
1.61 deraadt 548: } else if (error == EAI_SERVICE && port == httpsport) {
549: snprintf(pbuf, sizeof(pbuf), "%d", HTTPS_PORT);
550: error = getaddrinfo(host, pbuf, &hints, &res0);
1.154 deraadt 551: #endif /* !NOSSL */
1.30 deraadt 552: }
1.25 itojun 553: if (error) {
1.122 guenther 554: warnx("%s: %s", host, gai_strerror(error));
1.25 itojun 555: goto cleanup_url_get;
1.1 millert 556: }
557:
1.105 haesbaer 558: #ifndef SMALL
559: if (srcaddr) {
560: hints.ai_flags |= AI_NUMERICHOST;
561: error = getaddrinfo(srcaddr, NULL, &hints, &ares);
562: if (error) {
1.122 guenther 563: warnx("%s: %s", srcaddr, gai_strerror(error));
1.105 haesbaer 564: goto cleanup_url_get;
565: }
566: }
567: #endif /* !SMALL */
1.135 deraadt 568:
569: /* ensure consistent order of the output */
570: if (verbose)
571: setvbuf(ttyout, NULL, _IOLBF, 0);
1.105 haesbaer 572:
1.166 procter 573: fd = -1;
1.25 itojun 574: for (res = res0; res; res = res->ai_next) {
1.44 itojun 575: if (getnameinfo(res->ai_addr, res->ai_addrlen, hbuf,
576: sizeof(hbuf), NULL, 0, NI_NUMERICHOST) != 0)
577: strlcpy(hbuf, "(unknown)", sizeof(hbuf));
1.41 deraadt 578: if (verbose)
1.44 itojun 579: fprintf(ttyout, "Trying %s...\n", hbuf);
1.14 millert 580:
1.166 procter 581: fd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
582: if (fd == -1) {
1.25 itojun 583: cause = "socket";
584: continue;
1.1 millert 585: }
586:
1.105 haesbaer 587: #ifndef SMALL
588: if (srcaddr) {
589: if (ares->ai_family != res->ai_family) {
1.166 procter 590: close(fd);
591: fd = -1;
1.105 haesbaer 592: errno = EINVAL;
593: cause = "bind";
594: continue;
595: }
1.170 deraadt 596: if (bind(fd, ares->ai_addr, ares->ai_addrlen) == -1) {
1.105 haesbaer 597: save_errno = errno;
1.166 procter 598: close(fd);
1.105 haesbaer 599: errno = save_errno;
1.166 procter 600: fd = -1;
1.105 haesbaer 601: cause = "bind";
602: continue;
603: }
604: }
605: #endif /* !SMALL */
606:
1.155 deraadt 607: if (connect_timeout) {
608: (void)signal(SIGALRM, tooslow);
609: alarmtimer(connect_timeout);
610: }
611:
1.166 procter 612: for (error = connect(fd, res->ai_addr, res->ai_addrlen);
613: error != 0 && errno == EINTR; error = connect_wait(fd))
1.149 millert 614: continue;
615: if (error != 0) {
1.57 otto 616: save_errno = errno;
1.166 procter 617: close(fd);
1.57 otto 618: errno = save_errno;
1.166 procter 619: fd = -1;
1.25 itojun 620: cause = "connect";
1.19 deraadt 621: continue;
622: }
1.25 itojun 623:
1.29 itojun 624: /* get port in numeric */
625: if (getnameinfo(res->ai_addr, res->ai_addrlen, NULL, 0,
626: pbuf, sizeof(pbuf), NI_NUMERICSERV) == 0)
627: port = pbuf;
628: else
629: port = NULL;
630:
1.158 jca 631: #ifndef NOSSL
1.61 deraadt 632: if (proxyenv && sslhost)
1.190 yasuoka 633: proxy_connect(fd, sslhost, proxy_credentials);
1.158 jca 634: #endif /* !NOSSL */
1.25 itojun 635: break;
636: }
637: freeaddrinfo(res0);
1.105 haesbaer 638: #ifndef SMALL
639: if (srcaddr)
640: freeaddrinfo(ares);
641: #endif /* !SMALL */
1.166 procter 642: if (fd < 0) {
1.33 millert 643: warn("%s", cause);
1.6 millert 644: goto cleanup_url_get;
1.1 millert 645: }
646:
1.154 deraadt 647: #ifndef NOSSL
1.61 deraadt 648: if (ishttpsurl) {
1.187 beck 649: ssize_t ret;
1.61 deraadt 650: if (proxyenv && sslpath) {
651: ishttpsurl = 0;
1.62 ray 652: proxyurl = NULL;
1.61 deraadt 653: path = sslpath;
654: }
1.131 jca 655: if (sslhost == NULL) {
656: sslhost = strdup(host);
657: if (sslhost == NULL)
658: errx(1, "Can't allocate memory for https host.");
1.116 jca 659: }
1.134 jsing 660: if ((tls = tls_client()) == NULL) {
1.126 jsing 661: fprintf(ttyout, "failed to create SSL client\n");
1.61 deraadt 662: goto cleanup_url_get;
663: }
1.134 jsing 664: if (tls_configure(tls, tls_config) != 0) {
1.187 beck 665: fprintf(ttyout, "TLS configuration failure: %s\n",
1.134 jsing 666: tls_error(tls));
1.61 deraadt 667: goto cleanup_url_get;
1.117 jca 668: }
1.166 procter 669: if (tls_connect_socket(tls, fd, sslhost) != 0) {
1.187 beck 670: fprintf(ttyout, "TLS connect failure: %s\n", tls_error(tls));
1.72 ray 671: goto cleanup_url_get;
1.118 jca 672: }
1.187 beck 673: do {
674: ret = tls_handshake(tls);
675: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
676: if (ret != 0) {
677: fprintf(ttyout, "TLS handshake failure: %s\n", tls_error(tls));
1.176 jca 678: goto cleanup_url_get;
679: }
680: fin = funopen(tls, stdio_tls_read_wrapper,
681: stdio_tls_write_wrapper, NULL, NULL);
1.61 deraadt 682: } else {
1.166 procter 683: fin = fdopen(fd, "r+");
684: fd = -1;
1.61 deraadt 685: }
1.154 deraadt 686: #else /* !NOSSL */
1.166 procter 687: fin = fdopen(fd, "r+");
688: fd = -1;
1.154 deraadt 689: #endif /* !NOSSL */
1.155 deraadt 690:
1.157 deraadt 691: #ifdef SMALL
692: if (lastfile) {
693: if (pipeout) {
694: if (pledge("stdio rpath inet dns tty", NULL) == -1)
695: err(1, "pledge");
696: } else {
697: if (pledge("stdio rpath wpath cpath inet dns tty", NULL) == -1)
698: err(1, "pledge");
699: }
700: }
701: #endif
702:
1.155 deraadt 703: if (connect_timeout) {
704: signal(SIGALRM, SIG_DFL);
705: alarmtimer(0);
706: }
1.40 fgsch 707:
1.1 millert 708: /*
1.40 fgsch 709: * Construct and send the request. Proxy requests don't want leading /.
1.1 millert 710: */
1.154 deraadt 711: #ifndef NOSSL
1.74 pyr 712: cookie_get(host, path, ishttpsurl, &buf);
1.154 deraadt 713: #endif /* !NOSSL */
1.95 martynas 714:
715: epath = url_encode(path);
1.62 ray 716: if (proxyurl) {
1.151 millert 717: if (verbose) {
718: fprintf(ttyout, "Requesting %s (via %s)\n",
719: origline, proxyurl);
720: }
1.32 itojun 721: /*
722: * Host: directive must use the destination host address for
1.136 bluhm 723: * the original URI (path).
1.32 itojun 724: */
1.190 yasuoka 725: ftp_printf(fin, "GET %s HTTP/1.1\r\n"
726: "Connection: close\r\n"
727: "Host: %s\r\n%s%s\r\n",
728: epath, proxyhost, buf ? buf : "", httpuseragent);
1.123 guenther 729: if (credentials)
1.190 yasuoka 730: ftp_printf(fin, "Authorization: Basic %s\r\n",
731: credentials);
732: if (proxy_credentials)
733: ftp_printf(fin, "Proxy-Authorization: Basic %s\r\n",
734: proxy_credentials);
735: ftp_printf(fin, "\r\n");
1.28 itojun 736: } else {
1.151 millert 737: if (verbose)
738: fprintf(ttyout, "Requesting %s\n", origline);
1.90 martynas 739: #ifndef SMALL
1.200 ! robert 740: if (resume || timestamp) {
! 741: if (stat(savefile, &stbuf) == 0) {
! 742: if (resume)
! 743: restart_point = stbuf.st_size;
! 744: if (timestamp)
! 745: mtime = stbuf.st_mtime;
! 746: } else {
1.90 martynas 747: restart_point = 0;
1.200 ! robert 748: mtime = 0;
! 749: }
1.90 martynas 750: }
1.154 deraadt 751: #endif /* SMALL */
1.194 jca 752: ftp_printf(fin,
753: "GET /%s HTTP/1.1\r\n"
754: "Connection: close\r\n"
755: "Host: ", epath);
1.136 bluhm 756: if (proxyhost) {
1.184 jca 757: ftp_printf(fin, "%s", proxyhost);
1.136 bluhm 758: port = NULL;
759: } else if (strchr(host, ':')) {
1.55 fgsch 760: /*
761: * strip off scoped address portion, since it's
762: * local to node
763: */
1.32 itojun 764: h = strdup(host);
765: if (h == NULL)
766: errx(1, "Can't allocate memory.");
767: if ((p = strchr(h, '%')) != NULL)
768: *p = '\0';
1.184 jca 769: ftp_printf(fin, "[%s]", h);
1.32 itojun 770: free(h);
1.55 fgsch 771: } else
1.184 jca 772: ftp_printf(fin, "%s", host);
1.55 fgsch 773:
774: /*
775: * Send port number only if it's specified and does not equal
776: * 80. Some broken HTTP servers get confused if you explicitly
777: * send them the port number.
778: */
1.154 deraadt 779: #ifndef NOSSL
1.61 deraadt 780: if (port && strcmp(port, (ishttpsurl ? "443" : "80")) != 0)
1.184 jca 781: ftp_printf(fin, ":%s", port);
1.90 martynas 782: if (restart_point)
1.184 jca 783: ftp_printf(fin, "\r\nRange: bytes=%lld-",
1.75 martynas 784: (long long)restart_point);
1.154 deraadt 785: #else /* !NOSSL */
1.55 fgsch 786: if (port && strcmp(port, "80") != 0)
1.184 jca 787: ftp_printf(fin, ":%s", port);
1.154 deraadt 788: #endif /* !NOSSL */
1.200 ! robert 789:
! 790: #ifndef SMALL
! 791: if (mtime && (http_time(mtime, tmbuf, sizeof(tmbuf)) != 0))
! 792: ftp_printf(fin, "\r\nIf-Modified-Since: %s", tmbuf);
! 793: #endif /* SMALL */
! 794:
1.194 jca 795: ftp_printf(fin, "\r\n%s%s\r\n",
1.124 lteo 796: buf ? buf : "", httpuseragent);
1.194 jca 797: if (credentials)
798: ftp_printf(fin, "Authorization: Basic %s\r\n",
799: credentials);
800: ftp_printf(fin, "\r\n");
1.28 itojun 801: }
1.95 martynas 802: free(epath);
1.74 pyr 803:
1.154 deraadt 804: #ifndef NOSSL
1.74 pyr 805: free(buf);
1.156 tb 806: #endif /* !NOSSL */
1.74 pyr 807: buf = NULL;
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: }
1.176 jca 813: if ((buf = ftp_readline(fin, &len)) == NULL) {
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: free(buf);
889: filesize = -1;
890:
1.62 ray 891: for (;;) {
1.176 jca 892: if ((buf = ftp_readline(fin, &len)) == NULL) {
893: warnx("Receiving HTTP reply: %s", sockerror(tls));
1.40 fgsch 894: goto cleanup_url_get;
895: }
1.61 deraadt 896:
1.40 fgsch 897: while (len > 0 && (buf[len-1] == '\r' || buf[len-1] == '\n'))
898: buf[--len] = '\0';
899: if (len == 0)
1.1 millert 900: break;
1.80 martynas 901: #ifndef SMALL
1.40 fgsch 902: if (debug)
903: fprintf(ttyout, "received '%s'\n", buf);
1.80 martynas 904: #endif /* !SMALL */
1.1 millert 905:
1.40 fgsch 906: /* Look for some headers */
907: cp = buf;
1.1 millert 908: #define CONTENTLEN "Content-Length: "
1.40 fgsch 909: if (strncasecmp(cp, CONTENTLEN, sizeof(CONTENTLEN) - 1) == 0) {
1.104 sthen 910: size_t s;
1.40 fgsch 911: cp += sizeof(CONTENTLEN) - 1;
1.111 deraadt 912: if ((s = strcspn(cp, " \t")))
1.104 sthen 913: *(cp+s) = 0;
1.58 grunk 914: filesize = strtonum(cp, 0, LLONG_MAX, &errstr);
915: if (errstr != NULL)
1.40 fgsch 916: goto improper;
1.75 martynas 917: #ifndef SMALL
1.90 martynas 918: if (restart_point)
1.75 martynas 919: filesize += restart_point;
1.78 martynas 920: #endif /* !SMALL */
1.40 fgsch 921: #define LOCATION "Location: "
922: } else if (isredirect &&
923: strncasecmp(cp, LOCATION, sizeof(LOCATION) - 1) == 0) {
924: cp += sizeof(LOCATION) - 1;
1.144 sthen 925: /*
926: * If there is a colon before the first slash, this URI
927: * is not relative. RFC 3986 4.2
928: */
929: if (cp[strcspn(cp, ":/")] != ':') {
1.102 halex 930: #ifdef SMALL
931: errx(1, "Relative redirect not supported");
932: #else /* SMALL */
1.144 sthen 933: /* XXX doesn't handle protocol-relative URIs */
1.102 halex 934: if (*cp == '/') {
935: locbase = NULL;
936: cp++;
937: } else {
938: locbase = strdup(path);
939: if (locbase == NULL)
940: errx(1, "Can't allocate memory"
941: " for location base");
942: loctail = strchr(locbase, '#');
943: if (loctail != NULL)
944: *loctail = '\0';
945: loctail = strchr(locbase, '?');
946: if (loctail != NULL)
947: *loctail = '\0';
948: loctail = strrchr(locbase, '/');
949: if (loctail == NULL) {
950: free(locbase);
951: locbase = NULL;
952: } else
953: loctail[1] = '\0';
954: }
955: /* Contruct URL from relative redirect */
956: if (asprintf(&redirurl, "%s%s%s%s/%s%s",
957: scheme, full_host,
958: portnum ? ":" : "",
959: portnum ? portnum : "",
960: locbase ? locbase : "",
961: cp) == -1)
962: errx(1, "Cannot build "
963: "redirect URL");
964: free(locbase);
965: #endif /* SMALL */
966: } else if ((redirurl = strdup(cp)) == NULL)
967: errx(1, "Cannot allocate memory for URL");
968: loctail = strchr(redirurl, '#');
969: if (loctail != NULL)
970: *loctail = '\0';
1.40 fgsch 971: if (verbose)
1.102 halex 972: fprintf(ttyout, "Redirected to %s\n", redirurl);
1.173 jca 973: ftp_close(&fin, &tls, &fd);
1.157 deraadt 974: rval = url_get(redirurl, proxyenv, savefile, lastfile);
1.102 halex 975: free(redirurl);
976: goto cleanup_url_get;
1.172 jca 977: #define RETRYAFTER "Retry-After: "
978: } else if (isunavail &&
979: strncasecmp(cp, RETRYAFTER, sizeof(RETRYAFTER) - 1) == 0) {
980: size_t s;
981: cp += sizeof(RETRYAFTER) - 1;
982: if ((s = strcspn(cp, " \t")))
983: cp[s] = '\0';
984: retryafter = strtonum(cp, 0, 0, &errstr);
985: if (errstr != NULL)
986: retryafter = -1;
1.178 jca 987: #define TRANSFER_ENCODING "Transfer-Encoding: "
988: } else if (strncasecmp(cp, TRANSFER_ENCODING,
989: sizeof(TRANSFER_ENCODING) - 1) == 0) {
990: cp += sizeof(TRANSFER_ENCODING) - 1;
991: cp[strcspn(cp, " \t")] = '\0';
992: if (strcasecmp(cp, "chunked") == 0)
993: chunked = 1;
1.200 ! robert 994: #ifndef SMALL
! 995: #define LAST_MODIFIED "Last-Modified: "
! 996: } else if (strncasecmp(cp, LAST_MODIFIED,
! 997: sizeof(LAST_MODIFIED) - 1) == 0) {
! 998: cp += sizeof(LAST_MODIFIED) - 1;
! 999: cp[strcspn(cp, "\t")] = '\0';
! 1000: if (strptime(cp, "%a, %d %h %Y %T %Z", &lmt) == NULL)
! 1001: server_timestamps = 0;
! 1002: #endif /* !SMALL */
1.40 fgsch 1003: }
1.108 tobias 1004: free(buf);
1.172 jca 1005: }
1006:
1.178 jca 1007: /* Content-Length should be ignored for Transfer-Encoding: chunked */
1008: if (chunked)
1009: filesize = -1;
1010:
1.172 jca 1011: if (isunavail) {
1012: if (retried || retryafter != 0)
1.175 deraadt 1013: warnx("Error retrieving %s: 503 Service Unavailable",
1014: origline);
1.172 jca 1015: else {
1016: if (verbose)
1017: fprintf(ttyout, "Retrying %s\n", origline);
1018: retried = 1;
1.174 jca 1019: ftp_close(&fin, &tls, &fd);
1.172 jca 1020: rval = url_get(origline, proxyenv, savefile, lastfile);
1021: }
1022: goto cleanup_url_get;
1.1 millert 1023: }
1024:
1.17 millert 1025: /* Open the output file. */
1.100 halex 1026: if (!pipeout) {
1.75 martynas 1027: #ifndef SMALL
1028: if (resume)
1.83 martynas 1029: out = open(savefile, O_CREAT | O_WRONLY | O_APPEND,
1030: 0666);
1.75 martynas 1031: else
1.78 martynas 1032: #endif /* !SMALL */
1.75 martynas 1033: out = open(savefile, O_CREAT | O_WRONLY | O_TRUNC,
1034: 0666);
1.170 deraadt 1035: if (out == -1) {
1.10 deraadt 1036: warn("Can't open %s", savefile);
1037: goto cleanup_url_get;
1038: }
1.157 deraadt 1039: } else {
1.17 millert 1040: out = fileno(stdout);
1.157 deraadt 1041: #ifdef SMALL
1042: if (lastfile) {
1043: if (pledge("stdio tty", NULL) == -1)
1044: err(1, "pledge");
1045: }
1046: #endif
1047: }
1.1 millert 1048:
1.189 jca 1049: free(buf);
1050: if ((buf = malloc(buflen)) == NULL)
1051: errx(1, "Can't allocate memory for transfer buffer");
1052:
1.1 millert 1053: /* Trap signals */
1054: oldintr = NULL;
1.97 martynas 1055: oldinti = NULL;
1.1 millert 1056: if (setjmp(httpabort)) {
1057: if (oldintr)
1.2 millert 1058: (void)signal(SIGINT, oldintr);
1.97 martynas 1059: if (oldinti)
1060: (void)signal(SIGINFO, oldinti);
1.6 millert 1061: goto cleanup_url_get;
1.1 millert 1062: }
1063: oldintr = signal(SIGINT, aborthttp);
1064:
1065: bytes = 0;
1066: hashbytes = mark;
1.84 martynas 1067: progressmeter(-1, path);
1.43 millert 1068:
1.1 millert 1069: /* Finally, suck down the file. */
1.97 martynas 1070: oldinti = signal(SIGINFO, psummary);
1.178 jca 1071: if (chunked) {
1.182 jca 1072: error = save_chunked(fin, tls, out, buf, buflen);
1.196 jca 1073: signal(SIGINT, oldintr);
1.182 jca 1074: signal(SIGINFO, oldinti);
1075: if (error == -1)
1.178 jca 1076: goto cleanup_url_get;
1077: } else {
1.188 jca 1078: while ((len = fread(buf, 1, buflen, fin)) > 0) {
1.178 jca 1079: bytes += len;
1.188 jca 1080: for (cp = buf; len > 0; len -= wlen, cp += wlen) {
1081: if ((wlen = write(out, cp, len)) == -1) {
1.178 jca 1082: warn("Writing %s", savefile);
1.196 jca 1083: signal(SIGINT, oldintr);
1.178 jca 1084: signal(SIGINFO, oldinti);
1085: goto cleanup_url_get;
1.188 jca 1086: }
1.178 jca 1087: }
1088: if (hash && !progress) {
1089: while (bytes >= hashbytes) {
1090: (void)putc('#', ttyout);
1091: hashbytes += mark;
1092: }
1093: (void)fflush(ttyout);
1.1 millert 1094: }
1095: }
1.188 jca 1096: save_errno = errno;
1.196 jca 1097: signal(SIGINT, oldintr);
1.178 jca 1098: signal(SIGINFO, oldinti);
1099: if (hash && !progress && bytes > 0) {
1100: if (bytes < mark)
1.10 deraadt 1101: (void)putc('#', ttyout);
1.178 jca 1102: (void)putc('\n', ttyout);
1.10 deraadt 1103: (void)fflush(ttyout);
1.1 millert 1104: }
1.188 jca 1105: if (len == 0 && ferror(fin)) {
1106: errno = save_errno;
1.178 jca 1107: warnx("Reading from socket: %s", sockerror(tls));
1108: goto cleanup_url_get;
1109: }
1.1 millert 1110: }
1.84 martynas 1111: progressmeter(1, NULL);
1.75 martynas 1112: if (
1113: #ifndef SMALL
1114: !resume &&
1.78 martynas 1115: #endif /* !SMALL */
1.75 martynas 1116: filesize != -1 && len == 0 && bytes != filesize) {
1.24 deraadt 1117: if (verbose)
1118: fputs("Read short file.\n", ttyout);
1119: goto cleanup_url_get;
1120: }
1121:
1.1 millert 1122: if (verbose)
1.97 martynas 1123: ptransfer(0);
1.1 millert 1124:
1.40 fgsch 1125: rval = 0;
1126: goto cleanup_url_get;
1.1 millert 1127:
1.14 millert 1128: noftpautologin:
1129: warnx(
1130: "Auto-login using ftp URLs isn't supported when using $ftp_proxy");
1131: goto cleanup_url_get;
1132:
1.1 millert 1133: improper:
1.8 millert 1134: warnx("Improper response from %s", host);
1.14 millert 1135:
1.6 millert 1136: cleanup_url_get:
1.181 jca 1137: #ifndef SMALL
1138: free(full_host);
1139: #endif /* !SMALL */
1.154 deraadt 1140: #ifndef NOSSL
1.128 jca 1141: free(sslhost);
1.154 deraadt 1142: #endif /* !NOSSL */
1.173 jca 1143: ftp_close(&fin, &tls, &fd);
1.200 ! robert 1144: if (out >= 0 && out != fileno(stdout)) {
! 1145: #ifndef SMALL
! 1146: if (server_timestamps && lmt.tm_zone != 0) {
! 1147: ts[0].tv_nsec = UTIME_NOW;
! 1148: ts[1].tv_nsec = 0;
! 1149: setenv("TZ", lmt.tm_zone, 1);
! 1150: if (((ts[1].tv_sec = mktime(&lmt)) != -1) &&
! 1151: (futimens(out, ts) == -1))
! 1152: warnx("Unable to set file modification time");
! 1153: }
! 1154: #endif /* !SMALL */
1.162 sthen 1155: close(out);
1.200 ! robert 1156: }
1.67 steven 1157: free(buf);
1.198 naddy 1158: free(pathbuf);
1.136 bluhm 1159: free(proxyhost);
1.67 steven 1160: free(proxyurl);
1.62 ray 1161: free(newline);
1.123 guenther 1162: free(credentials);
1.190 yasuoka 1163: free(proxy_credentials);
1.40 fgsch 1164: return (rval);
1.178 jca 1165: }
1166:
1167: static int
1168: save_chunked(FILE *fin, struct tls *tls, int out, char *buf, size_t buflen)
1169: {
1170:
1171: char *header, *end, *cp;
1172: unsigned long chunksize;
1173: size_t hlen, rlen, wlen;
1174: ssize_t written;
1175: char cr, lf;
1176:
1177: for (;;) {
1178: header = ftp_readline(fin, &hlen);
1179: if (header == NULL)
1180: break;
1181: /* strip CRLF and any optional chunk extension */
1182: header[strcspn(header, ";\r\n")] = '\0';
1183: errno = 0;
1184: chunksize = strtoul(header, &end, 16);
1185: if (errno || header[0] == '\0' || *end != '\0' ||
1186: chunksize > INT_MAX) {
1187: warnx("Invalid chunk size '%s'", header);
1188: free(header);
1189: return -1;
1190: }
1191: free(header);
1192:
1193: if (chunksize == 0) {
1194: /* We're done. Ignore optional trailer. */
1195: return 0;
1196: }
1197:
1198: for (written = 0; chunksize != 0; chunksize -= rlen) {
1199: rlen = (chunksize < buflen) ? chunksize : buflen;
1200: rlen = fread(buf, 1, rlen, fin);
1201: if (rlen == 0)
1202: break;
1203: bytes += rlen;
1204: for (cp = buf, wlen = rlen; wlen > 0;
1.179 deraadt 1205: wlen -= written, cp += written) {
1.178 jca 1206: if ((written = write(out, cp, wlen)) == -1) {
1207: warn("Writing output file");
1208: return -1;
1209: }
1210: }
1211: }
1212:
1213: if (rlen == 0 ||
1214: fread(&cr, 1, 1, fin) != 1 ||
1215: fread(&lf, 1, 1, fin) != 1)
1216: break;
1217:
1218: if (cr != '\r' || lf != '\n') {
1219: warnx("Invalid chunked encoding");
1220: return -1;
1221: }
1222: }
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);
1.1 millert 1655: }
1.61 deraadt 1656:
1.177 jca 1657: static char *
1.176 jca 1658: ftp_readline(FILE *fp, size_t *lenp)
1.61 deraadt 1659: {
1.176 jca 1660: return fparseln(fp, lenp, NULL, "\0\0\0", 0);
1.173 jca 1661: }
1.184 jca 1662:
1663: #ifndef SMALL
1664: static int
1665: ftp_printf(FILE *fp, const char *fmt, ...)
1666: {
1667: va_list ap;
1668: int ret;
1669:
1670: va_start(ap, fmt);
1671: ret = vfprintf(fp, fmt, ap);
1672: va_end(ap);
1673:
1674: if (debug) {
1675: va_start(ap, fmt);
1676: vfprintf(ttyout, fmt, ap);
1677: va_end(ap);
1678: }
1679:
1680: return ret;
1681: }
1682: #endif /* !SMALL */
1.173 jca 1683:
1.177 jca 1684: static void
1.189 jca 1685: ftp_close(FILE **fin, struct tls **tls, int *fd)
1.173 jca 1686: {
1687: #ifndef NOSSL
1688: int ret;
1689:
1690: if (*tls != NULL) {
1691: if (tls_session_fd != -1)
1692: dprintf(STDERR_FILENO, "tls session resumed: %s\n",
1693: tls_conn_session_resumed(*tls) ? "yes" : "no");
1694: do {
1695: ret = tls_close(*tls);
1696: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
1697: tls_free(*tls);
1698: *tls = NULL;
1699: }
1.176 jca 1700: if (*fd != -1) {
1701: close(*fd);
1702: *fd = -1;
1703: }
1.173 jca 1704: #endif
1705: if (*fin != NULL) {
1706: fclose(*fin);
1707: *fin = NULL;
1708: }
1.61 deraadt 1709: }
1710:
1.177 jca 1711: static const char *
1.176 jca 1712: sockerror(struct tls *tls)
1713: {
1714: int save_errno = errno;
1.154 deraadt 1715: #ifndef NOSSL
1.176 jca 1716: if (tls != NULL) {
1717: const char *tlserr = tls_error(tls);
1718: if (tlserr != NULL)
1719: return tlserr;
1.139 bluhm 1720: }
1.176 jca 1721: #endif
1722: return strerror(save_errno);
1.61 deraadt 1723: }
1724:
1.176 jca 1725: #ifndef NOSSL
1.177 jca 1726: static int
1.81 espie 1727: proxy_connect(int socket, char *host, char *cookie)
1.61 deraadt 1728: {
1.66 ray 1729: int l;
1.61 deraadt 1730: char buf[1024];
1.192 yasuoka 1731: char *connstr, *hosttail, *port;
1.61 deraadt 1732:
1733: if (*host == '[' && (hosttail = strrchr(host, ']')) != NULL &&
1734: (hosttail[1] == '\0' || hosttail[1] == ':')) {
1735: host++;
1736: *hosttail++ = '\0';
1737: } else
1738: hosttail = host;
1739:
1.179 deraadt 1740: port = strrchr(hosttail, ':'); /* find portnum */
1.61 deraadt 1741: if (port != NULL)
1742: *port++ = '\0';
1743: if (!port)
1744: port = "443";
1745:
1.81 espie 1746: if (cookie) {
1747: l = asprintf(&connstr, "CONNECT %s:%s HTTP/1.1\r\n"
1748: "Proxy-Authorization: Basic %s\r\n%s\r\n\r\n",
1749: host, port, cookie, HTTP_USER_AGENT);
1750: } else {
1751: l = asprintf(&connstr, "CONNECT %s:%s HTTP/1.1\r\n%s\r\n\r\n",
1752: host, port, HTTP_USER_AGENT);
1753: }
1754:
1.66 ray 1755: if (l == -1)
1.61 deraadt 1756: errx(1, "Could not allocate memory to assemble connect string!");
1.80 martynas 1757: #ifndef SMALL
1.68 ray 1758: if (debug)
1759: printf("%s", connstr);
1.80 martynas 1760: #endif /* !SMALL */
1.66 ray 1761: if (write(socket, connstr, l) != l)
1.68 ray 1762: err(1, "Could not send connect string");
1.192 yasuoka 1763: read(socket, &buf, sizeof(buf)); /* only proxy header XXX: error handling? */
1.71 ray 1764: free(connstr);
1.61 deraadt 1765: return(200);
1.176 jca 1766: }
1767:
1.177 jca 1768: static int
1.176 jca 1769: stdio_tls_write_wrapper(void *arg, const char *buf, int len)
1770: {
1771: struct tls *tls = arg;
1772: ssize_t ret;
1773:
1774: do {
1775: ret = tls_write(tls, buf, len);
1776: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
1777:
1778: return ret;
1779: }
1780:
1.177 jca 1781: static int
1.176 jca 1782: stdio_tls_read_wrapper(void *arg, char *buf, int len)
1783: {
1784: struct tls *tls = arg;
1785: ssize_t ret;
1786:
1787: do {
1788: ret = tls_read(tls, buf, len);
1789: } while (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT);
1790:
1791: return ret;
1.61 deraadt 1792: }
1.158 jca 1793: #endif /* !NOSSL */
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