Annotation of src/usr.bin/cvs/resp.c, Revision 1.45
1.45 ! xsa 1: /* $OpenBSD: resp.c,v 1.44 2005/07/10 00:12:52 joris Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. The name of the author may not be used to endorse or promote products
13: * derived from this software without specific prior written permission.
14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27:
28: #include <sys/types.h>
29: #include <sys/stat.h>
1.2 jfb 30: #include <sys/time.h>
1.1 jfb 31:
1.41 xsa 32: #include <dirent.h>
33: #include <errno.h>
1.1 jfb 34: #include <fcntl.h>
1.41 xsa 35: #include <libgen.h>
1.1 jfb 36: #include <stdio.h>
37: #include <stdlib.h>
1.41 xsa 38: #include <string.h>
1.1 jfb 39: #include <unistd.h>
40:
41: #include "buf.h"
42: #include "cvs.h"
43: #include "log.h"
44: #include "proto.h"
45:
46:
47: #define CVS_MTSTK_MAXDEPTH 16
48:
49:
1.4 jfb 50: #define STRIP_SLASH(p) \
51: do { \
1.37 jfb 52: size_t _slen; \
53: _slen = strlen(p); \
54: while ((_slen > 0) && (p[_slen - 1] == '/')) \
55: p[--_slen] = '\0'; \
1.4 jfb 56: } while (0)
57:
58:
1.1 jfb 59: static int cvs_resp_validreq (struct cvsroot *, int, char *);
60: static int cvs_resp_cksum (struct cvsroot *, int, char *);
61: static int cvs_resp_modtime (struct cvsroot *, int, char *);
62: static int cvs_resp_m (struct cvsroot *, int, char *);
63: static int cvs_resp_ok (struct cvsroot *, int, char *);
64: static int cvs_resp_error (struct cvsroot *, int, char *);
65: static int cvs_resp_statdir (struct cvsroot *, int, char *);
66: static int cvs_resp_sticky (struct cvsroot *, int, char *);
67: static int cvs_resp_newentry (struct cvsroot *, int, char *);
68: static int cvs_resp_updated (struct cvsroot *, int, char *);
69: static int cvs_resp_removed (struct cvsroot *, int, char *);
70: static int cvs_resp_mode (struct cvsroot *, int, char *);
71: static int cvs_resp_modxpand (struct cvsroot *, int, char *);
72: static int cvs_resp_rcsdiff (struct cvsroot *, int, char *);
73: static int cvs_resp_template (struct cvsroot *, int, char *);
1.14 jfb 74: static int cvs_resp_copyfile (struct cvsroot *, int, char *);
1.1 jfb 75:
76:
77: struct cvs_resphdlr {
78: int (*hdlr)(struct cvsroot *, int, char *);
79: } cvs_resp_swtab[CVS_RESP_MAX + 1] = {
80: { NULL },
81: { cvs_resp_ok },
82: { cvs_resp_error },
83: { cvs_resp_validreq },
84: { cvs_resp_newentry },
85: { cvs_resp_newentry },
86: { cvs_resp_cksum },
1.14 jfb 87: { cvs_resp_copyfile },
1.1 jfb 88: { cvs_resp_updated },
89: { cvs_resp_updated },
90: { cvs_resp_updated }, /* 10 */
91: { cvs_resp_updated },
92: { cvs_resp_updated },
93: { cvs_resp_rcsdiff },
94: { cvs_resp_mode },
95: { cvs_resp_modtime },
96: { cvs_resp_removed },
97: { cvs_resp_removed },
98: { cvs_resp_statdir },
99: { cvs_resp_statdir },
100: { cvs_resp_sticky }, /* 20 */
101: { cvs_resp_sticky },
102: { cvs_resp_template },
103: { NULL },
104: { NULL },
105: { NULL },
106: { cvs_resp_modxpand },
107: { NULL },
108: { cvs_resp_m },
109: { cvs_resp_m },
110: { cvs_resp_m }, /* 30 */
111: { cvs_resp_m },
112: { cvs_resp_m },
113: };
114:
1.42 joris 115: /*
116: * Instead of opening and closing the Entry file all the time,
117: * which caused a huge CPU load and slowed down everything,
118: * we keep the Entry file for the directory we are working in
119: * open until we encounter a new directory.
120: */
121: static char cvs_resp_lastdir[MAXPATHLEN] = "";
122: static CVSENTRIES *cvs_resp_lastent = NULL;
123: static int resp_check_dir(const char *);
1.1 jfb 124:
125: /*
126: * The MT command uses scoping to tag the data. Whenever we encouter a '+',
127: * we push the name of the tag on the stack, and we pop it when we encounter
128: * a '-' with the same name.
129: */
130:
131: static char *cvs_mt_stack[CVS_MTSTK_MAXDEPTH];
132: static u_int cvs_mtstk_depth = 0;
133:
1.12 jfb 134: static time_t cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 135:
136:
137: /* last checksum received */
138: char *cvs_fcksum = NULL;
139:
140: mode_t cvs_lastmode = 0;
141:
142: /* hack to receive the remote version without outputting it */
143: extern u_int cvs_version_sent;
144:
145:
146: /*
147: * cvs_resp_handle()
148: *
149: * Generic response handler dispatcher. The handler expects the first line
150: * of the command as single argument.
151: * Returns the return value of the command on success, or -1 on failure.
152: */
153: int
154: cvs_resp_handle(struct cvsroot *root, char *line)
155: {
1.15 jfb 156: int ret;
1.1 jfb 157: char *cp, *cmd;
158: struct cvs_resp *resp;
159:
160: cmd = line;
161:
162: cp = strchr(cmd, ' ');
163: if (cp != NULL)
164: *(cp++) = '\0';
165:
166: resp = cvs_resp_getbyname(cmd);
167: if (resp == NULL) {
168: return (-1);
1.11 deraadt 169: } else if (cvs_resp_swtab[resp->resp_id].hdlr == NULL) {
1.20 jfb 170: cvs_log(LP_ERR, "handler for `%s' not implemented", cmd);
1.1 jfb 171: return (-1);
172: }
173:
1.15 jfb 174: ret = (*cvs_resp_swtab[resp->resp_id].hdlr)(root, resp->resp_id, cp);
175:
176: if (ret == -1)
177: cvs_log(LP_ERR, "error in handling of `%s' response", cmd);
178:
179: return (ret);
1.1 jfb 180: }
181:
182:
183: /*
184: * cvs_resp_validreq()
185: *
186: * Handler for the `Valid-requests' response. The list of valid requests is
187: * split on spaces and each request's entry in the valid request array is set
188: * to 1 to indicate the validity.
189: * Returns 0 on success, or -1 on failure.
190: */
191: static int
192: cvs_resp_validreq(struct cvsroot *root, int type, char *line)
193: {
194: char *sp, *ep;
195: struct cvs_req *req;
196:
197: /* parse the requests */
198: sp = line;
199: do {
200: ep = strchr(sp, ' ');
201: if (ep != NULL)
202: *ep = '\0';
203:
204: req = cvs_req_getbyname(sp);
205: if (req != NULL)
206: CVS_SETVR(root, req->req_id);
207:
208: if (ep != NULL)
209: sp = ep + 1;
210: } while (ep != NULL);
211:
212: return (0);
213: }
214:
215:
216: /*
217: * cvs_resp_m()
218: *
219: * Handler for the `M', 'MT', `F' and `E' responses.
220: */
221: static int
222: cvs_resp_m(struct cvsroot *root, int type, char *line)
223: {
224: char *cp;
225: FILE *stream;
226:
227: stream = NULL;
228:
229: switch (type) {
230: case CVS_RESP_F:
231: fflush(stderr);
232: return (0);
233: case CVS_RESP_M:
234: if (cvs_version_sent) {
235: /*
236: * Instead of outputting the line, we save it as the
237: * remote server's version string.
238: */
239: cvs_version_sent = 0;
240: root->cr_version = strdup(line);
241: return (0);
242: }
243: stream = stdout;
244: break;
245: case CVS_RESP_E:
246: stream = stderr;
247: break;
248: case CVS_RESP_MT:
249: if (*line == '+') {
250: if (cvs_mtstk_depth == CVS_MTSTK_MAXDEPTH) {
251: cvs_log(LP_ERR,
252: "MT scope stack has reached max depth");
253: return (-1);
254: }
255: cvs_mt_stack[cvs_mtstk_depth] = strdup(line + 1);
256: if (cvs_mt_stack[cvs_mtstk_depth] == NULL)
257: return (-1);
258: cvs_mtstk_depth++;
1.11 deraadt 259: } else if (*line == '-') {
1.1 jfb 260: if (cvs_mtstk_depth == 0) {
261: cvs_log(LP_ERR, "MT scope stack underflow");
262: return (-1);
1.11 deraadt 263: } else if (strcmp(line + 1,
1.1 jfb 264: cvs_mt_stack[cvs_mtstk_depth - 1]) != 0) {
265: cvs_log(LP_ERR, "mismatch in MT scope stack");
266: return (-1);
267: }
268: free(cvs_mt_stack[cvs_mtstk_depth--]);
1.11 deraadt 269: } else {
1.1 jfb 270: if (strcmp(line, "newline") == 0)
271: putc('\n', stdout);
272: else if (strncmp(line, "fname ", 6) == 0)
273: printf("%s", line + 6);
274: else {
275: /* assume text */
276: cp = strchr(line, ' ');
277: if (cp != NULL)
278: printf("%s", cp + 1);
279: }
280: }
281:
282: return (0);
283: case CVS_RESP_MBINARY:
284: cvs_log(LP_WARN, "Mbinary not supported in client yet");
285: break;
286: }
287:
288: fputs(line, stream);
289: fputc('\n', stream);
290:
291: return (0);
292: }
293:
294:
295: /*
296: * cvs_resp_ok()
297: *
1.13 tedu 298: * Handler for the `ok' response. This handler's job is to
1.1 jfb 299: */
300: static int
301: cvs_resp_ok(struct cvsroot *root, int type, char *line)
302: {
1.42 joris 303: /*
304: * If we still have an Entry file open, close it now.
305: */
306: if (cvs_resp_lastent != NULL)
307: cvs_ent_close(cvs_resp_lastent);
1.13 tedu 308:
1.1 jfb 309: return (1);
310: }
311:
312:
313: /*
314: * cvs_resp_error()
315: *
1.13 tedu 316: * Handler for the `error' response. This handler's job is to
1.31 joris 317: * show the error message given by the server.
1.1 jfb 318: */
319: static int
320: cvs_resp_error(struct cvsroot *root, int type, char *line)
321: {
1.33 joris 322: if (line == NULL)
323: return (1);
1.31 joris 324:
325: /* XXX - GNU cvs sends an empty error message
326: * at the end of the diff command, even for successfull
327: * diff.
328: */
329: if ((strlen(line) == 1) && (*line == ' '))
330: return (1);
1.13 tedu 331:
1.7 jfb 332: fprintf(stderr, "%s\n", line);
1.1 jfb 333: return (1);
334: }
335:
336:
337: /*
338: * cvs_resp_statdir()
339: *
340: * Handler for the `Clear-static-directory' and `Set-static-directory'
341: * responses.
342: */
343: static int
344: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
345: {
1.24 jfb 346: int fd, len;
1.1 jfb 347: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
1.36 jfb 348: struct stat dst;
1.1 jfb 349:
1.3 jfb 350: /* remote directory line */
351: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
352: return (-1);
1.1 jfb 353:
1.36 jfb 354: STRIP_SLASH(line);
355:
356: /* if the directory doesn't exist, first create it */
357: if ((stat(line, &dst) == -1) && (errno == ENOENT)) {
1.38 joris 358: if ((mkdir(line, 0755) == -1) && (errno != ENOENT)) {
1.36 jfb 359: cvs_log(LP_ERRNO, "failed to create %s", line);
360: return (-1);
361: }
362: }
363:
1.24 jfb 364: len = snprintf(statpath, sizeof(statpath), "%s/%s", line,
1.1 jfb 365: CVS_PATH_STATICENTRIES);
1.24 jfb 366: if (len == -1 || len >= (int)sizeof(statpath)) {
367: cvs_log(LP_ERR,
368: "path overflow for Entries.static specification");
369: return (-1);
370: }
1.1 jfb 371:
1.35 xsa 372: if (!cvs_noexec) {
373: if ((type == CVS_RESP_CLRSTATDIR) &&
374: (unlink(statpath) == -1) && (errno != ENOENT)) {
375: cvs_log(LP_ERRNO, "failed to unlink %s file",
376: CVS_PATH_STATICENTRIES);
1.1 jfb 377: return (-1);
1.35 xsa 378: } else if (type == CVS_RESP_SETSTATDIR) {
1.40 joris 379: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0644);
1.35 xsa 380: if (fd == -1) {
381: cvs_log(LP_ERRNO,
382: "failed to set static directory on %s",
383: line);
384: return (-1);
385: }
386: (void)close(fd);
387:
1.1 jfb 388: }
389: }
390:
391: return (0);
392: }
393:
394: /*
395: * cvs_resp_sticky()
396: *
1.4 jfb 397: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
398: * specified directory doesn't exist, we create it and attach it to the
399: * global file structure.
1.1 jfb 400: */
401: static int
402: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
403: {
1.5 jfb 404: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
405: struct cvs_ent *ent;
1.4 jfb 406: CVSFILE *cf, *sdir;
1.21 jfb 407: CVSENTRIES *entf;
1.4 jfb 408:
409: /* get the remote path */
1.5 jfb 410: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 411: return (-1);
1.1 jfb 412:
1.4 jfb 413: STRIP_SLASH(line);
1.36 jfb 414:
1.4 jfb 415: cvs_splitpath(line, subdir, sizeof(subdir), &file);
416: sdir = cvs_file_find(cvs_files, subdir);
417: if (sdir == NULL) {
418: cvs_log(LP_ERR, "failed to find %s", subdir);
419: return (-1);
420: }
1.1 jfb 421:
1.4 jfb 422: cf = cvs_file_find(sdir, file);
423: if (cf == NULL) {
1.1 jfb 424: /* attempt to create it */
1.8 jfb 425: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.38 joris 426: if (cf == NULL) {
1.4 jfb 427: return (-1);
1.38 joris 428: }
1.28 jfb 429: cf->cf_repo = strdup(line);
430: if (cf->cf_repo == NULL) {
1.19 jfb 431: cvs_log(LP_ERRNO, "failed to duplicate `%s'", line);
432: cvs_file_free(cf);
433: return (-1);
434: }
1.28 jfb 435: cf->cf_root = root;
1.4 jfb 436: root->cr_ref++;
1.1 jfb 437:
1.22 joris 438: if (cvs_file_attach(sdir, cf) < 0) {
439: cvs_file_free(cf);
440: return (-1);
441: }
1.5 jfb 442:
1.44 joris 443: /*
444: * If the Entries file for the parent is already
445: * open, operate on that, instead of reopening it
446: * and invalidating the opened list.
447: */
448: if (!strcmp(subdir, cvs_resp_lastdir))
449: entf = cvs_resp_lastent;
450: else
451: entf = cvs_ent_open(subdir, O_WRONLY);
452:
1.5 jfb 453: /* add a directory entry to the parent */
1.44 joris 454: if (entf != NULL) {
455: if ((ent = cvs_ent_get(entf,
456: CVS_FILE_NAME(cf))) == NULL) {
1.40 joris 457: snprintf(buf, sizeof(buf), "D/%s////",
458: CVS_FILE_NAME(cf));
459: ent = cvs_ent_parse(buf);
460: if (ent == NULL)
461: cvs_log(LP_ERR,
462: "failed to create directory entry");
463: else
464: cvs_ent_add(entf, ent);
465: }
1.44 joris 466:
467: if (strcmp(subdir, cvs_resp_lastdir))
468: cvs_ent_close(entf);
1.5 jfb 469: }
1.1 jfb 470: }
471:
1.4 jfb 472: if (type == CVS_RESP_CLRSTICKY)
1.28 jfb 473: cf->cf_flags &= ~CVS_DIRF_STICKY;
1.4 jfb 474: else if (type == CVS_RESP_SETSTICKY)
1.28 jfb 475: cf->cf_flags |= CVS_DIRF_STICKY;
1.1 jfb 476:
477: return (0);
478: }
479:
480:
481: /*
482: * cvs_resp_newentry()
483: *
484: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 485: * In the case of `New-entry', we expect the entry line
1.1 jfb 486: */
487: static int
488: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
489: {
490: char entbuf[128];
1.9 jfb 491: struct cvs_ent *ent;
1.1 jfb 492:
493: /* get the remote path */
1.43 joris 494: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
495: return (-1);
1.1 jfb 496:
497: /* get the new Entries line */
498: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
499: return (-1);
500:
1.42 joris 501: if (resp_check_dir(line) < 0)
1.1 jfb 502: return (-1);
1.42 joris 503:
1.9 jfb 504: if (type == CVS_RESP_NEWENTRY) {
1.42 joris 505: cvs_ent_addln(cvs_resp_lastent, entbuf);
1.11 deraadt 506: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 507: ent = cvs_ent_parse(entbuf);
508: if (ent == NULL) {
509: cvs_log(LP_ERR, "failed to parse entry");
510: return (-1);
511: }
512:
513: /* timestamp it to now */
514: ent->ce_mtime = time(&(ent->ce_mtime));
515:
516: /* replace the current entry with the one we just received */
1.42 joris 517: (void)cvs_ent_remove(cvs_resp_lastent, ent->ce_name);
1.9 jfb 518:
1.42 joris 519: cvs_ent_add(cvs_resp_lastent, ent);
1.9 jfb 520: }
1.1 jfb 521:
522: return (0);
523: }
524:
525:
526: /*
527: * cvs_resp_cksum()
528: *
529: * Handler for the `Checksum' response. We store the checksum received for
530: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
531: * Upon next file reception, the handler checks to see if there is a stored
532: * checksum.
533: * The file handler must make sure that the checksums match and free the
534: * checksum buffer once it's done to indicate there is no further checksum.
535: */
536: static int
537: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
538: {
539: if (cvs_fcksum != NULL) {
540: cvs_log(LP_WARN, "unused checksum");
541: free(cvs_fcksum);
542: }
543:
544: cvs_fcksum = strdup(line);
545: if (cvs_fcksum == NULL) {
546: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 547: return (-1);
548: }
549:
550: return (0);
551: }
552:
553:
554: /*
555: * cvs_resp_copyfile()
556: *
557: * Handler for the `Copy-file' response, which is used to copy the contents
558: * of a file to another file for which the name is provided. The CVS protocol
559: * documentation states that this response is only used prior to a `Merged'
560: * response to create a backup of the file.
561: */
562: static int
563: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
564: {
1.24 jfb 565: int len;
1.16 jfb 566: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 567:
1.16 jfb 568: /* read the remote path of the file to copy and its new name */
569: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
570: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 571: return (-1);
572:
1.16 jfb 573: if ((file = basename(path)) == NULL) {
574: cvs_log(LP_ERR, "no base file name in Copy-file path");
575: return (-1);
576: }
577:
1.24 jfb 578: len = snprintf(path, sizeof(path), "%s%s", line, file);
579: if (len == -1 || len >= (int)sizeof(path)) {
580: cvs_log(LP_ERR, "source path overflow in Copy-file response");
581: return (-1);
582: }
583: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
584: if (len == -1 || len >= (int)sizeof(path)) {
585: cvs_log(LP_ERR,
586: "destination path overflow in Copy-file response");
587: return (-1);
588: }
1.16 jfb 589:
590: if (rename(path, newpath) == -1) {
1.27 xsa 591: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 592: return (-1);
593: }
594:
595: return (0);
596: }
597:
598:
599: /*
600: * cvs_resp_modtime()
601: *
602: * Handler for the `Mod-time' file update modifying response. The timestamp
603: * given is used to set the last modification time on the next file that
604: * will be received.
605: */
606: static int
607: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
608: {
1.34 jfb 609: cvs_modtime = cvs_date_parse(line);
1.1 jfb 610: return (0);
611: }
612:
613:
614: /*
615: * cvs_resp_updated()
616: *
1.4 jfb 617: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
618: * `Patched' responses, which all have a very similar format.
1.1 jfb 619: */
620: static int
621: cvs_resp_updated(struct cvsroot *root, int type, char *line)
622: {
1.17 jfb 623: int ret;
1.1 jfb 624: mode_t fmode;
1.4 jfb 625: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 626: BUF *fbuf;
1.45 ! xsa 627: struct cvs_ent *ent;
1.2 jfb 628: struct timeval tv[2];
1.1 jfb 629:
1.4 jfb 630: STRIP_SLASH(line);
631:
1.1 jfb 632: /* read the remote path of the file */
1.4 jfb 633: if (cvs_getln(root, path, sizeof(path)) < 0)
634: return (-1);
1.1 jfb 635:
636: /* read the new entry */
1.4 jfb 637: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 638: return (-1);
1.4 jfb 639:
1.45 ! xsa 640: if ((ent = cvs_ent_parse(path)) == NULL)
1.4 jfb 641: return (-1);
1.45 ! xsa 642: ret = snprintf(path, sizeof(path), "%s/%s", line, ent->ce_name);
1.24 jfb 643: if (ret == -1 || ret >= (int)sizeof(path)) {
644: cvs_log(LP_ERR, "Entries path overflow in response");
645: return (-1);
646: }
1.25 joris 647: ret = 0;
1.1 jfb 648:
1.42 joris 649: if (resp_check_dir(line) < 0)
1.12 jfb 650: return (-1);
651:
1.15 jfb 652: if (cvs_modtime != CVS_DATE_DMSEC) {
1.45 ! xsa 653: ent->ce_mtime = cvs_modtime;
1.15 jfb 654: } else
1.45 ! xsa 655: ent->ce_mtime = time(&(ent->ce_mtime));
1.15 jfb 656:
657: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 658: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.45 ! xsa 659: if ((cvs_ent_remove(cvs_resp_lastent, ent->ce_name) < 0) &&
1.30 joris 660: (type != CVS_RESP_CREATED)) {
661: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.45 ! xsa 662: ent->ce_name);
1.30 joris 663: }
1.15 jfb 664: }
1.12 jfb 665:
1.45 ! xsa 666: if (cvs_ent_add(cvs_resp_lastent, ent) < 0) {
! 667: cvs_ent_free(ent);
1.15 jfb 668: return (-1);
1.1 jfb 669: }
1.15 jfb 670:
1.17 jfb 671: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
672: return (-1);
673: if (cvs_buf_write(fbuf, path, fmode) < 0) {
674: cvs_buf_free(fbuf);
1.1 jfb 675: return (-1);
1.17 jfb 676: }
677: cvs_buf_free(fbuf);
1.2 jfb 678:
1.12 jfb 679: if (cvs_modtime != CVS_DATE_DMSEC) {
680: tv[0].tv_sec = (long)cvs_modtime;
681: tv[0].tv_usec = 0;
682: tv[1].tv_sec = (long)cvs_modtime;
683: tv[1].tv_usec = 0;
684: if (utimes(path, tv) == -1)
685: cvs_log(LP_ERRNO, "failed to set file timestamps");
686: }
1.34 jfb 687:
688: /* invalidate last received timestamp */
689: cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 690:
691: /* now see if there is a checksum */
692: if (cvs_fcksum != NULL) {
1.17 jfb 693: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
694: ret = -1;
695: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 696: cvs_log(LP_ERR, "checksum error on received file");
697: (void)unlink(line);
1.17 jfb 698: ret = -1;
1.1 jfb 699: }
700:
701: free(cvs_fcksum);
702: cvs_fcksum = NULL;
703: }
704:
1.17 jfb 705: return (ret);
1.1 jfb 706: }
707:
708:
709: /*
710: * cvs_resp_removed()
711: *
1.10 jfb 712: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
713: * response is received when both a file and its entry need to be removed from
714: * the local copy. The `Remove-entry' is received in cases where the file is
715: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 716: */
717: static int
718: cvs_resp_removed(struct cvsroot *root, int type, char *line)
719: {
1.29 joris 720: int l;
721: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 722:
1.29 joris 723: if (cvs_getln(root, buf, sizeof(buf)) < 0)
724: return (-1);
725:
726: cvs_splitpath(buf, base, sizeof(base), &file);
727: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
728: if (l == -1 || l >= (int)sizeof(fpath)) {
729: errno = ENAMETOOLONG;
730: cvs_log(LP_ERRNO, "%s", fpath);
731: return (-1);
732: }
733:
1.42 joris 734: if (resp_check_dir(line) < 0)
735: return (-1);
1.10 jfb 736:
1.42 joris 737: (void)cvs_ent_remove(cvs_resp_lastent, file);
1.32 joris 738: if ((type == CVS_RESP_REMOVED) && ((unlink(fpath) == -1) &&
739: errno != ENOENT)) {
1.29 joris 740: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 741: return (-1);
1.10 jfb 742: }
1.1 jfb 743:
744: return (0);
745: }
746:
747:
748: /*
749: * cvs_resp_mode()
750: *
751: * Handler for the `Mode' response.
752: */
753: static int
754: cvs_resp_mode(struct cvsroot *root, int type, char *line)
755: {
756: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 757: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 758: return (-1);
759: }
760: return (0);
761: }
762:
763:
764: /*
765: * cvs_resp_modxpand()
766: *
767: * Handler for the `Module-expansion' response.
768: */
769: static int
770: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
771: {
772: return (0);
773: }
774:
775: /*
776: * cvs_resp_rcsdiff()
777: *
778: * Handler for the `Rcs-diff' response.
779: */
780: static int
781: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
782: {
1.24 jfb 783: int len;
1.1 jfb 784: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
785: char *fname, *orig, *patch;
786: mode_t fmode;
787: BUF *res, *fcont, *patchbuf;
788: CVSENTRIES *entf;
789: struct cvs_ent *ent;
790:
791: /* get remote path and build local path of file to be patched */
1.43 joris 792: if (cvs_getln(root, buf, sizeof(buf)) < 0)
793: return (-1);
794:
1.1 jfb 795: fname = strrchr(buf, '/');
796: if (fname == NULL)
797: fname = buf;
1.24 jfb 798: len = snprintf(file, sizeof(file), "%s%s", line, fname);
799: if (len == -1 || len >= (int)sizeof(file)) {
800: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
801: return (-1);
802: }
1.1 jfb 803:
804: /* get updated entry fields */
1.43 joris 805: if (cvs_getln(root, buf, sizeof(buf)) < 0)
806: return (-1);
807:
1.1 jfb 808: ent = cvs_ent_parse(buf);
1.13 tedu 809: if (ent == NULL)
1.1 jfb 810: return (-1);
811:
812: patchbuf = cvs_recvfile(root, &fmode);
813: fcont = cvs_buf_load(file, BUF_AUTOEXT);
814: if (fcont == NULL)
815: return (-1);
816:
817: cvs_buf_putc(patchbuf, '\0');
818: cvs_buf_putc(fcont, '\0');
819: orig = cvs_buf_release(fcont);
820: patch = cvs_buf_release(patchbuf);
821:
822: res = rcs_patch(orig, patch);
823: if (res == NULL)
824: return (-1);
825:
826: cvs_buf_write(res, file, fmode);
827:
828: /* now see if there is a checksum */
829: if (cvs_fcksum != NULL) {
830: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
831: }
832:
833: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
834: cvs_log(LP_ERR, "checksum error on received file");
835: (void)unlink(file);
836: }
837:
838: free(cvs_fcksum);
839: cvs_fcksum = NULL;
840: }
841:
842: /* update revision in entries */
843: entf = cvs_ent_open(line, O_WRONLY);
844: if (entf == NULL)
845: return (-1);
846:
847: cvs_ent_close(entf);
848:
849: return (0);
850: }
851:
852:
853: /*
854: * cvs_resp_template()
855: *
856: * Handler for the `Template' response.
857: */
858: static int
859: cvs_resp_template(struct cvsroot *root, int type, char *line)
860: {
861: mode_t mode;
862: BUF *tmpl;
863:
864: tmpl = cvs_recvfile(root, &mode);
865: if (tmpl == NULL)
866: return (-1);
1.42 joris 867:
868: return (0);
869: }
870:
871: /*
872: * Check if <dir> is the same as the last
873: * received directory, if it's not, switch Entry files.
874: */
875: static int
876: resp_check_dir(const char *dir)
877: {
878: size_t len;
879:
880: if (strcmp(dir, cvs_resp_lastdir)) {
881: if (cvs_resp_lastent != NULL)
882: cvs_ent_close(cvs_resp_lastent);
883: cvs_resp_lastent = cvs_ent_open(dir, O_WRONLY);
884: if (cvs_resp_lastent == NULL)
885: return (-1);
886:
887: len = strlcpy(cvs_resp_lastdir, dir, sizeof(cvs_resp_lastdir));
888: if (len >= sizeof(cvs_resp_lastdir)) {
889: errno = ENAMETOOLONG;
890: cvs_log(LP_ERRNO, "%s", cvs_resp_lastdir);
891: return (-1);
892: }
893: } else {
894: /* make sure the old one is still open */
895: if (cvs_resp_lastent == NULL) {
896: cvs_resp_lastent = cvs_ent_open(cvs_resp_lastdir,
897: O_WRONLY);
898: if (cvs_resp_lastent == NULL)
899: return (-1);
900: }
901: }
1.1 jfb 902:
903: return (0);
904: }