Annotation of src/usr.bin/cvs/resp.c, Revision 1.25
1.25 ! joris 1: /* $OpenBSD: resp.c,v 1.24 2005/04/13 15:08:36 jfb 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:
32: #include <fcntl.h>
33: #include <stdio.h>
34: #include <errno.h>
35: #include <dirent.h>
36: #include <stdlib.h>
37: #include <unistd.h>
38: #include <string.h>
1.16 jfb 39: #include <libgen.h>
1.1 jfb 40:
41: #include "buf.h"
42: #include "cvs.h"
43: #include "log.h"
44: #include "file.h"
45: #include "proto.h"
46:
47:
48: #define CVS_MTSTK_MAXDEPTH 16
49:
50:
1.4 jfb 51: #define STRIP_SLASH(p) \
52: do { \
53: size_t len; \
54: len = strlen(p); \
55: while ((len > 0) && (p[len - 1] == '/')) \
56: p[--len] = '\0'; \
57: } while (0)
58:
59:
1.1 jfb 60: static int cvs_resp_validreq (struct cvsroot *, int, char *);
61: static int cvs_resp_cksum (struct cvsroot *, int, char *);
62: static int cvs_resp_modtime (struct cvsroot *, int, char *);
63: static int cvs_resp_m (struct cvsroot *, int, char *);
64: static int cvs_resp_ok (struct cvsroot *, int, char *);
65: static int cvs_resp_error (struct cvsroot *, int, char *);
66: static int cvs_resp_statdir (struct cvsroot *, int, char *);
67: static int cvs_resp_sticky (struct cvsroot *, int, char *);
68: static int cvs_resp_newentry (struct cvsroot *, int, char *);
69: static int cvs_resp_updated (struct cvsroot *, int, char *);
70: static int cvs_resp_removed (struct cvsroot *, int, char *);
71: static int cvs_resp_mode (struct cvsroot *, int, char *);
72: static int cvs_resp_modxpand (struct cvsroot *, int, char *);
73: static int cvs_resp_rcsdiff (struct cvsroot *, int, char *);
74: static int cvs_resp_template (struct cvsroot *, int, char *);
1.14 jfb 75: static int cvs_resp_copyfile (struct cvsroot *, int, char *);
1.1 jfb 76:
77:
78: struct cvs_resphdlr {
79: int (*hdlr)(struct cvsroot *, int, char *);
80: } cvs_resp_swtab[CVS_RESP_MAX + 1] = {
81: { NULL },
82: { cvs_resp_ok },
83: { cvs_resp_error },
84: { cvs_resp_validreq },
85: { cvs_resp_newentry },
86: { cvs_resp_newentry },
87: { cvs_resp_cksum },
1.14 jfb 88: { cvs_resp_copyfile },
1.1 jfb 89: { cvs_resp_updated },
90: { cvs_resp_updated },
91: { cvs_resp_updated }, /* 10 */
92: { cvs_resp_updated },
93: { cvs_resp_updated },
94: { cvs_resp_rcsdiff },
95: { cvs_resp_mode },
96: { cvs_resp_modtime },
97: { cvs_resp_removed },
98: { cvs_resp_removed },
99: { cvs_resp_statdir },
100: { cvs_resp_statdir },
101: { cvs_resp_sticky }, /* 20 */
102: { cvs_resp_sticky },
103: { cvs_resp_template },
104: { NULL },
105: { NULL },
106: { NULL },
107: { cvs_resp_modxpand },
108: { NULL },
109: { cvs_resp_m },
110: { cvs_resp_m },
111: { cvs_resp_m }, /* 30 */
112: { cvs_resp_m },
113: { cvs_resp_m },
114: };
115:
116:
117:
118: /*
119: * The MT command uses scoping to tag the data. Whenever we encouter a '+',
120: * we push the name of the tag on the stack, and we pop it when we encounter
121: * a '-' with the same name.
122: */
123:
124: static char *cvs_mt_stack[CVS_MTSTK_MAXDEPTH];
125: static u_int cvs_mtstk_depth = 0;
126:
1.12 jfb 127: static time_t cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 128:
129:
130: /* last checksum received */
131: char *cvs_fcksum = NULL;
132:
133: mode_t cvs_lastmode = 0;
134:
135: /* hack to receive the remote version without outputting it */
136: extern u_int cvs_version_sent;
137:
138:
139: /*
140: * cvs_resp_handle()
141: *
142: * Generic response handler dispatcher. The handler expects the first line
143: * of the command as single argument.
144: * Returns the return value of the command on success, or -1 on failure.
145: */
146: int
147: cvs_resp_handle(struct cvsroot *root, char *line)
148: {
1.15 jfb 149: int ret;
1.1 jfb 150: char *cp, *cmd;
151: struct cvs_resp *resp;
152:
153: cmd = line;
154:
155: cp = strchr(cmd, ' ');
156: if (cp != NULL)
157: *(cp++) = '\0';
158:
159: resp = cvs_resp_getbyname(cmd);
160: if (resp == NULL) {
161: return (-1);
1.11 deraadt 162: } else if (cvs_resp_swtab[resp->resp_id].hdlr == NULL) {
1.20 jfb 163: cvs_log(LP_ERR, "handler for `%s' not implemented", cmd);
1.1 jfb 164: return (-1);
165: }
166:
1.15 jfb 167: ret = (*cvs_resp_swtab[resp->resp_id].hdlr)(root, resp->resp_id, cp);
168:
169: if (ret == -1)
170: cvs_log(LP_ERR, "error in handling of `%s' response", cmd);
171:
172: return (ret);
1.1 jfb 173: }
174:
175:
176: /*
177: * cvs_resp_validreq()
178: *
179: * Handler for the `Valid-requests' response. The list of valid requests is
180: * split on spaces and each request's entry in the valid request array is set
181: * to 1 to indicate the validity.
182: * Returns 0 on success, or -1 on failure.
183: */
184: static int
185: cvs_resp_validreq(struct cvsroot *root, int type, char *line)
186: {
187: char *sp, *ep;
188: struct cvs_req *req;
189:
190: /* parse the requests */
191: sp = line;
192: do {
193: ep = strchr(sp, ' ');
194: if (ep != NULL)
195: *ep = '\0';
196:
197: req = cvs_req_getbyname(sp);
198: if (req != NULL)
199: CVS_SETVR(root, req->req_id);
200:
201: if (ep != NULL)
202: sp = ep + 1;
203: } while (ep != NULL);
204:
205: return (0);
206: }
207:
208:
209: /*
210: * cvs_resp_m()
211: *
212: * Handler for the `M', 'MT', `F' and `E' responses.
213: */
214: static int
215: cvs_resp_m(struct cvsroot *root, int type, char *line)
216: {
217: char *cp;
218: FILE *stream;
219:
220: stream = NULL;
221:
222: switch (type) {
223: case CVS_RESP_F:
224: fflush(stderr);
225: return (0);
226: case CVS_RESP_M:
227: if (cvs_version_sent) {
228: /*
229: * Instead of outputting the line, we save it as the
230: * remote server's version string.
231: */
232: cvs_version_sent = 0;
233: root->cr_version = strdup(line);
234: return (0);
235: }
236: stream = stdout;
237: break;
238: case CVS_RESP_E:
239: stream = stderr;
240: break;
241: case CVS_RESP_MT:
242: if (*line == '+') {
243: if (cvs_mtstk_depth == CVS_MTSTK_MAXDEPTH) {
244: cvs_log(LP_ERR,
245: "MT scope stack has reached max depth");
246: return (-1);
247: }
248: cvs_mt_stack[cvs_mtstk_depth] = strdup(line + 1);
249: if (cvs_mt_stack[cvs_mtstk_depth] == NULL)
250: return (-1);
251: cvs_mtstk_depth++;
1.11 deraadt 252: } else if (*line == '-') {
1.1 jfb 253: if (cvs_mtstk_depth == 0) {
254: cvs_log(LP_ERR, "MT scope stack underflow");
255: return (-1);
1.11 deraadt 256: } else if (strcmp(line + 1,
1.1 jfb 257: cvs_mt_stack[cvs_mtstk_depth - 1]) != 0) {
258: cvs_log(LP_ERR, "mismatch in MT scope stack");
259: return (-1);
260: }
261: free(cvs_mt_stack[cvs_mtstk_depth--]);
1.11 deraadt 262: } else {
1.1 jfb 263: if (strcmp(line, "newline") == 0)
264: putc('\n', stdout);
265: else if (strncmp(line, "fname ", 6) == 0)
266: printf("%s", line + 6);
267: else {
268: /* assume text */
269: cp = strchr(line, ' ');
270: if (cp != NULL)
271: printf("%s", cp + 1);
272: }
273: }
274:
275: return (0);
276: case CVS_RESP_MBINARY:
277: cvs_log(LP_WARN, "Mbinary not supported in client yet");
278: break;
279: }
280:
281: fputs(line, stream);
282: fputc('\n', stream);
283:
284: return (0);
285: }
286:
287:
288: /*
289: * cvs_resp_ok()
290: *
1.13 tedu 291: * Handler for the `ok' response. This handler's job is to
1.1 jfb 292: */
293: static int
294: cvs_resp_ok(struct cvsroot *root, int type, char *line)
295: {
1.13 tedu 296:
1.1 jfb 297: return (1);
298: }
299:
300:
301: /*
302: * cvs_resp_error()
303: *
1.13 tedu 304: * Handler for the `error' response. This handler's job is to
1.1 jfb 305: */
306: static int
307: cvs_resp_error(struct cvsroot *root, int type, char *line)
308: {
1.13 tedu 309:
1.7 jfb 310: fprintf(stderr, "%s\n", line);
1.1 jfb 311: return (1);
312: }
313:
314:
315: /*
316: * cvs_resp_statdir()
317: *
318: * Handler for the `Clear-static-directory' and `Set-static-directory'
319: * responses.
320: */
321: static int
322: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
323: {
1.24 jfb 324: int fd, len;
1.1 jfb 325: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
326:
1.3 jfb 327: /* remote directory line */
328: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
329: return (-1);
1.1 jfb 330:
1.24 jfb 331: len = snprintf(statpath, sizeof(statpath), "%s/%s", line,
1.1 jfb 332: CVS_PATH_STATICENTRIES);
1.24 jfb 333: if (len == -1 || len >= (int)sizeof(statpath)) {
334: cvs_log(LP_ERR,
335: "path overflow for Entries.static specification");
336: return (-1);
337: }
1.1 jfb 338:
339: if ((type == CVS_RESP_CLRSTATDIR) &&
340: (unlink(statpath) == -1) && (errno != ENOENT)) {
341: cvs_log(LP_ERRNO, "failed to unlink %s file",
342: CVS_PATH_STATICENTRIES);
343: return (-1);
1.11 deraadt 344: } else if (type == CVS_RESP_SETSTATDIR) {
1.1 jfb 345: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0400);
346: if (fd == -1) {
1.3 jfb 347: cvs_log(LP_ERRNO,
348: "failed to set static directory on %s", line);
1.1 jfb 349: return (-1);
350: }
351: (void)close(fd);
352:
353: }
354:
355: return (0);
356: }
357:
358: /*
359: * cvs_resp_sticky()
360: *
1.4 jfb 361: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
362: * specified directory doesn't exist, we create it and attach it to the
363: * global file structure.
1.1 jfb 364: */
365: static int
366: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
367: {
1.5 jfb 368: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
369: struct cvs_ent *ent;
1.4 jfb 370: CVSFILE *cf, *sdir;
1.21 jfb 371: CVSENTRIES *entf;
1.4 jfb 372:
373: /* get the remote path */
1.5 jfb 374: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 375: return (-1);
1.1 jfb 376:
1.4 jfb 377: STRIP_SLASH(line);
1.1 jfb 378:
1.4 jfb 379: cvs_splitpath(line, subdir, sizeof(subdir), &file);
380: sdir = cvs_file_find(cvs_files, subdir);
381: if (sdir == NULL) {
382: cvs_log(LP_ERR, "failed to find %s", subdir);
383: return (-1);
384: }
1.1 jfb 385:
1.4 jfb 386: cf = cvs_file_find(sdir, file);
387: if (cf == NULL) {
1.1 jfb 388: /* attempt to create it */
1.8 jfb 389: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.4 jfb 390: if (cf == NULL)
391: return (-1);
392: cf->cf_ddat->cd_repo = strdup(line);
1.19 jfb 393: if (cf->cf_ddat->cd_repo == NULL) {
394: cvs_log(LP_ERRNO, "failed to duplicate `%s'", line);
395: cvs_file_free(cf);
396: return (-1);
397: }
1.4 jfb 398: cf->cf_ddat->cd_root = root;
399: root->cr_ref++;
1.1 jfb 400:
1.22 joris 401: if (cvs_file_attach(sdir, cf) < 0) {
402: cvs_file_free(cf);
403: return (-1);
404: }
1.5 jfb 405:
406: /* add a directory entry to the parent */
1.21 jfb 407: if ((entf = cvs_ent_open(subdir, O_WRONLY)) != NULL) {
1.8 jfb 408: snprintf(buf, sizeof(buf), "D/%s////",
409: CVS_FILE_NAME(cf));
1.5 jfb 410: ent = cvs_ent_parse(buf);
411: if (ent == NULL)
412: cvs_log(LP_ERR,
413: "failed to create directory entry");
414: else
1.21 jfb 415: cvs_ent_add(entf, ent);
416: cvs_ent_close(entf);
1.5 jfb 417: }
1.1 jfb 418: }
419:
1.4 jfb 420: if (type == CVS_RESP_CLRSTICKY)
421: cf->cf_ddat->cd_flags &= ~CVS_DIRF_STICKY;
422: else if (type == CVS_RESP_SETSTICKY)
423: cf->cf_ddat->cd_flags |= CVS_DIRF_STICKY;
1.1 jfb 424:
425: return (0);
426: }
427:
428:
429: /*
430: * cvs_resp_newentry()
431: *
432: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 433: * In the case of `New-entry', we expect the entry line
1.1 jfb 434: */
435: static int
436: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
437: {
438: char entbuf[128];
1.9 jfb 439: struct cvs_ent *ent;
1.1 jfb 440: CVSENTRIES *entfile;
441:
442: /* get the remote path */
443: cvs_getln(root, entbuf, sizeof(entbuf));
444:
445: /* get the new Entries line */
446: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
447: return (-1);
448:
449: entfile = cvs_ent_open(line, O_WRONLY);
450: if (entfile == NULL)
451: return (-1);
1.9 jfb 452: if (type == CVS_RESP_NEWENTRY) {
453: cvs_ent_addln(entfile, entbuf);
1.11 deraadt 454: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 455: ent = cvs_ent_parse(entbuf);
456: if (ent == NULL) {
457: cvs_log(LP_ERR, "failed to parse entry");
458: cvs_ent_close(entfile);
459: return (-1);
460: }
461:
462: /* timestamp it to now */
463: ent->ce_mtime = time(&(ent->ce_mtime));
464:
465: /* replace the current entry with the one we just received */
466: if (cvs_ent_remove(entfile, ent->ce_name) < 0)
467: cvs_log(LP_WARN, "failed to remove `%s' entry",
468: ent->ce_name);
469:
470: cvs_ent_add(entfile, ent);
471: }
1.1 jfb 472: cvs_ent_close(entfile);
473:
474: return (0);
475: }
476:
477:
478: /*
479: * cvs_resp_cksum()
480: *
481: * Handler for the `Checksum' response. We store the checksum received for
482: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
483: * Upon next file reception, the handler checks to see if there is a stored
484: * checksum.
485: * The file handler must make sure that the checksums match and free the
486: * checksum buffer once it's done to indicate there is no further checksum.
487: */
488: static int
489: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
490: {
491: if (cvs_fcksum != NULL) {
492: cvs_log(LP_WARN, "unused checksum");
493: free(cvs_fcksum);
494: }
495:
496: cvs_fcksum = strdup(line);
497: if (cvs_fcksum == NULL) {
498: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 499: return (-1);
500: }
501:
502: return (0);
503: }
504:
505:
506: /*
507: * cvs_resp_copyfile()
508: *
509: * Handler for the `Copy-file' response, which is used to copy the contents
510: * of a file to another file for which the name is provided. The CVS protocol
511: * documentation states that this response is only used prior to a `Merged'
512: * response to create a backup of the file.
513: */
514: static int
515: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
516: {
1.24 jfb 517: int len;
1.16 jfb 518: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 519:
1.16 jfb 520: /* read the remote path of the file to copy and its new name */
521: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
522: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 523: return (-1);
524:
1.16 jfb 525: if ((file = basename(path)) == NULL) {
526: cvs_log(LP_ERR, "no base file name in Copy-file path");
527: return (-1);
528: }
529:
1.24 jfb 530: len = snprintf(path, sizeof(path), "%s%s", line, file);
531: if (len == -1 || len >= (int)sizeof(path)) {
532: cvs_log(LP_ERR, "source path overflow in Copy-file response");
533: return (-1);
534: }
535: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
536: if (len == -1 || len >= (int)sizeof(path)) {
537: cvs_log(LP_ERR,
538: "destination path overflow in Copy-file response");
539: return (-1);
540: }
1.16 jfb 541:
542: if (rename(path, newpath) == -1) {
1.14 jfb 543: cvs_log(LP_ERRNO, "failed to rename %s to %s", line, newname);
1.1 jfb 544: return (-1);
545: }
546:
547: return (0);
548: }
549:
550:
551: /*
552: * cvs_resp_modtime()
553: *
554: * Handler for the `Mod-time' file update modifying response. The timestamp
555: * given is used to set the last modification time on the next file that
556: * will be received.
557: */
558: static int
559: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
560: {
1.4 jfb 561: cvs_modtime = cvs_datesec(line, CVS_DATE_RFC822, 1);
1.1 jfb 562: return (0);
563: }
564:
565:
566: /*
567: * cvs_resp_updated()
568: *
1.4 jfb 569: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
570: * `Patched' responses, which all have a very similar format.
1.1 jfb 571: */
572: static int
573: cvs_resp_updated(struct cvsroot *root, int type, char *line)
574: {
1.17 jfb 575: int ret;
1.1 jfb 576: mode_t fmode;
1.4 jfb 577: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 578: BUF *fbuf;
1.12 jfb 579: CVSENTRIES *entfile;
1.1 jfb 580: struct cvs_ent *ep;
1.2 jfb 581: struct timeval tv[2];
1.1 jfb 582:
1.4 jfb 583: STRIP_SLASH(line);
584:
1.1 jfb 585: /* read the remote path of the file */
1.4 jfb 586: if (cvs_getln(root, path, sizeof(path)) < 0)
587: return (-1);
1.1 jfb 588:
589: /* read the new entry */
1.4 jfb 590: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 591: return (-1);
1.4 jfb 592:
593: if ((ep = cvs_ent_parse(path)) == NULL)
594: return (-1);
1.24 jfb 595: ret = snprintf(path, sizeof(path), "%s/%s", line, ep->ce_name);
596: if (ret == -1 || ret >= (int)sizeof(path)) {
597: cvs_log(LP_ERR, "Entries path overflow in response");
598: return (-1);
599: }
1.25 ! joris 600: ret = 0;
1.1 jfb 601:
1.12 jfb 602: entfile = cvs_ent_open(line, O_WRONLY);
603: if (entfile == NULL) {
604: cvs_ent_free(ep);
605: return (-1);
606: }
607:
1.15 jfb 608: if (cvs_modtime != CVS_DATE_DMSEC) {
1.4 jfb 609: ep->ce_mtime = cvs_modtime;
1.15 jfb 610: cvs_modtime = CVS_DATE_DMSEC; /* invalidate */
611: } else
612: ep->ce_mtime = time(&(ep->ce_mtime));
613:
614: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 615: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.12 jfb 616: if (cvs_ent_remove(entfile, ep->ce_name) < 0)
617: cvs_log(LP_WARN, "failed to remove entry for `%s'",
618: ep->ce_name);
1.15 jfb 619: }
1.12 jfb 620:
1.15 jfb 621: if (cvs_ent_add(entfile, ep) < 0) {
622: cvs_ent_free(ep);
623: cvs_ent_close(entfile);
624: return (-1);
1.1 jfb 625: }
1.15 jfb 626:
627: cvs_ent_close(entfile);
1.1 jfb 628:
1.17 jfb 629: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
630: return (-1);
631: if (cvs_buf_write(fbuf, path, fmode) < 0) {
632: cvs_buf_free(fbuf);
1.1 jfb 633: return (-1);
1.17 jfb 634: }
635: cvs_buf_free(fbuf);
1.2 jfb 636:
1.12 jfb 637: if (cvs_modtime != CVS_DATE_DMSEC) {
638: tv[0].tv_sec = (long)cvs_modtime;
639: tv[0].tv_usec = 0;
640: tv[1].tv_sec = (long)cvs_modtime;
641: tv[1].tv_usec = 0;
642: if (utimes(path, tv) == -1)
643: cvs_log(LP_ERRNO, "failed to set file timestamps");
644: }
1.1 jfb 645:
646: /* now see if there is a checksum */
647: if (cvs_fcksum != NULL) {
1.17 jfb 648: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
649: ret = -1;
650: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 651: cvs_log(LP_ERR, "checksum error on received file");
652: (void)unlink(line);
1.17 jfb 653: ret = -1;
1.1 jfb 654: }
655:
656: free(cvs_fcksum);
657: cvs_fcksum = NULL;
658: }
659:
1.17 jfb 660: return (ret);
1.1 jfb 661: }
662:
663:
664: /*
665: * cvs_resp_removed()
666: *
1.10 jfb 667: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
668: * response is received when both a file and its entry need to be removed from
669: * the local copy. The `Remove-entry' is received in cases where the file is
670: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 671: */
672: static int
673: cvs_resp_removed(struct cvsroot *root, int type, char *line)
674: {
1.3 jfb 675: char base[MAXPATHLEN], *file;
1.1 jfb 676: CVSENTRIES *ef;
677:
1.3 jfb 678: cvs_splitpath(line, base, sizeof(base), &file);
1.1 jfb 679: ef = cvs_ent_open(base, O_RDWR);
1.10 jfb 680: if (ef == NULL) {
681: cvs_log(LP_ERR, "error handling `Removed' response");
682: if (type == CVS_RESP_RMENTRY)
683: return (-1);
684: } else {
685: (void)cvs_ent_remove(ef, file);
686: cvs_ent_close(ef);
687: }
688:
689: if ((type == CVS_RESP_REMOVED) && (unlink(line) == -1)) {
690: cvs_log(LP_ERRNO, "failed to unlink `%s'", line);
1.1 jfb 691: return (-1);
1.10 jfb 692: }
1.1 jfb 693:
694: return (0);
695: }
696:
697:
698: /*
699: * cvs_resp_mode()
700: *
701: * Handler for the `Mode' response.
702: */
703: static int
704: cvs_resp_mode(struct cvsroot *root, int type, char *line)
705: {
706: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 707: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 708: return (-1);
709: }
710: return (0);
711: }
712:
713:
714: /*
715: * cvs_resp_modxpand()
716: *
717: * Handler for the `Module-expansion' response.
718: */
719: static int
720: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
721: {
722: return (0);
723: }
724:
725: /*
726: * cvs_resp_rcsdiff()
727: *
728: * Handler for the `Rcs-diff' response.
729: */
730: static int
731: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
732: {
1.24 jfb 733: int len;
1.1 jfb 734: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
735: char *fname, *orig, *patch;
736: mode_t fmode;
737: BUF *res, *fcont, *patchbuf;
738: CVSENTRIES *entf;
739: struct cvs_ent *ent;
740:
741: /* get remote path and build local path of file to be patched */
742: cvs_getln(root, buf, sizeof(buf));
743: fname = strrchr(buf, '/');
744: if (fname == NULL)
745: fname = buf;
1.24 jfb 746: len = snprintf(file, sizeof(file), "%s%s", line, fname);
747: if (len == -1 || len >= (int)sizeof(file)) {
748: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
749: return (-1);
750: }
1.1 jfb 751:
752: /* get updated entry fields */
753: cvs_getln(root, buf, sizeof(buf));
754: ent = cvs_ent_parse(buf);
1.13 tedu 755: if (ent == NULL)
1.1 jfb 756: return (-1);
757:
758: patchbuf = cvs_recvfile(root, &fmode);
759: fcont = cvs_buf_load(file, BUF_AUTOEXT);
760: if (fcont == NULL)
761: return (-1);
762:
763: cvs_buf_putc(patchbuf, '\0');
764: cvs_buf_putc(fcont, '\0');
765: orig = cvs_buf_release(fcont);
766: patch = cvs_buf_release(patchbuf);
767:
768: res = rcs_patch(orig, patch);
769: if (res == NULL)
770: return (-1);
771:
772: cvs_buf_write(res, file, fmode);
773:
774: /* now see if there is a checksum */
775: if (cvs_fcksum != NULL) {
776: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
777: }
778:
779: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
780: cvs_log(LP_ERR, "checksum error on received file");
781: (void)unlink(file);
782: }
783:
784: free(cvs_fcksum);
785: cvs_fcksum = NULL;
786: }
787:
788: /* update revision in entries */
789: entf = cvs_ent_open(line, O_WRONLY);
790: if (entf == NULL)
791: return (-1);
792:
793: cvs_ent_close(entf);
794:
795: return (0);
796: }
797:
798:
799: /*
800: * cvs_resp_template()
801: *
802: * Handler for the `Template' response.
803: */
804: static int
805: cvs_resp_template(struct cvsroot *root, int type, char *line)
806: {
807: mode_t mode;
808: BUF *tmpl;
809:
810: tmpl = cvs_recvfile(root, &mode);
811: if (tmpl == NULL)
812: return (-1);
813:
814: return (0);
815: }
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