Annotation of src/usr.bin/cvs/resp.c, Revision 1.12
1.12 ! jfb 1: /* $OpenBSD: resp.c,v 1.11 2004/12/06 21:03:12 deraadt 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>
39: #include <sysexits.h>
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:
60:
1.1 jfb 61: static int cvs_resp_validreq (struct cvsroot *, int, char *);
62: static int cvs_resp_cksum (struct cvsroot *, int, char *);
63: static int cvs_resp_modtime (struct cvsroot *, int, char *);
64: static int cvs_resp_m (struct cvsroot *, int, char *);
65: static int cvs_resp_ok (struct cvsroot *, int, char *);
66: static int cvs_resp_error (struct cvsroot *, int, char *);
67: static int cvs_resp_statdir (struct cvsroot *, int, char *);
68: static int cvs_resp_sticky (struct cvsroot *, int, char *);
69: static int cvs_resp_newentry (struct cvsroot *, int, char *);
70: static int cvs_resp_updated (struct cvsroot *, int, char *);
71: static int cvs_resp_removed (struct cvsroot *, int, char *);
72: static int cvs_resp_mode (struct cvsroot *, int, char *);
73: static int cvs_resp_modxpand (struct cvsroot *, int, char *);
74: static int cvs_resp_rcsdiff (struct cvsroot *, int, char *);
75: static int cvs_resp_template (struct cvsroot *, int, char *);
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 },
88: { NULL },
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:
147: int
148: cvs_resp_handle(struct cvsroot *root, char *line)
149: {
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) {
1.1 jfb 163: cvs_log(LP_ERRNO, "handler for `%s' not implemented", cmd);
164: return (-1);
165: }
166:
167: return (*cvs_resp_swtab[resp->resp_id].hdlr)(root, resp->resp_id, cp);
168: }
169:
170:
171: /*
172: * cvs_resp_validreq()
173: *
174: * Handler for the `Valid-requests' response. The list of valid requests is
175: * split on spaces and each request's entry in the valid request array is set
176: * to 1 to indicate the validity.
177: * Returns 0 on success, or -1 on failure.
178: */
179:
180: static int
181: cvs_resp_validreq(struct cvsroot *root, int type, char *line)
182: {
183: char *sp, *ep;
184: struct cvs_req *req;
185:
186: /* parse the requests */
187: sp = line;
188: do {
189: ep = strchr(sp, ' ');
190: if (ep != NULL)
191: *ep = '\0';
192:
193: req = cvs_req_getbyname(sp);
194: if (req != NULL)
195: CVS_SETVR(root, req->req_id);
196:
197: if (ep != NULL)
198: sp = ep + 1;
199: } while (ep != NULL);
200:
201: return (0);
202: }
203:
204:
205: /*
206: * cvs_resp_m()
207: *
208: * Handler for the `M', 'MT', `F' and `E' responses.
209: */
210:
211: static int
212: cvs_resp_m(struct cvsroot *root, int type, char *line)
213: {
214: char *cp;
215: FILE *stream;
216:
217: stream = NULL;
218:
219: switch (type) {
220: case CVS_RESP_F:
221: fflush(stderr);
222: return (0);
223: case CVS_RESP_M:
224: if (cvs_version_sent) {
225: /*
226: * Instead of outputting the line, we save it as the
227: * remote server's version string.
228: */
229: cvs_version_sent = 0;
230: root->cr_version = strdup(line);
231: return (0);
232: }
233: stream = stdout;
234: break;
235: case CVS_RESP_E:
236: stream = stderr;
237: break;
238: case CVS_RESP_MT:
239: if (*line == '+') {
240: if (cvs_mtstk_depth == CVS_MTSTK_MAXDEPTH) {
241: cvs_log(LP_ERR,
242: "MT scope stack has reached max depth");
243: return (-1);
244: }
245: cvs_mt_stack[cvs_mtstk_depth] = strdup(line + 1);
246: if (cvs_mt_stack[cvs_mtstk_depth] == NULL)
247: return (-1);
248: cvs_mtstk_depth++;
1.11 deraadt 249: } else if (*line == '-') {
1.1 jfb 250: if (cvs_mtstk_depth == 0) {
251: cvs_log(LP_ERR, "MT scope stack underflow");
252: return (-1);
1.11 deraadt 253: } else if (strcmp(line + 1,
1.1 jfb 254: cvs_mt_stack[cvs_mtstk_depth - 1]) != 0) {
255: cvs_log(LP_ERR, "mismatch in MT scope stack");
256: return (-1);
257: }
258: free(cvs_mt_stack[cvs_mtstk_depth--]);
1.11 deraadt 259: } else {
1.1 jfb 260: if (strcmp(line, "newline") == 0)
261: putc('\n', stdout);
262: else if (strncmp(line, "fname ", 6) == 0)
263: printf("%s", line + 6);
264: else {
265: /* assume text */
266: cp = strchr(line, ' ');
267: if (cp != NULL)
268: printf("%s", cp + 1);
269: }
270: }
271:
272: return (0);
273: case CVS_RESP_MBINARY:
274: cvs_log(LP_WARN, "Mbinary not supported in client yet");
275: break;
276: }
277:
278: fputs(line, stream);
279: fputc('\n', stream);
280:
281: return (0);
282: }
283:
284:
285: /*
286: * cvs_resp_ok()
287: *
288: * Handler for the `ok' response. This handler's job is to
289: */
290:
291: static int
292: cvs_resp_ok(struct cvsroot *root, int type, char *line)
293: {
294: return (1);
295: }
296:
297:
298: /*
299: * cvs_resp_error()
300: *
301: * Handler for the `error' response. This handler's job is to
302: */
303:
304: static int
305: cvs_resp_error(struct cvsroot *root, int type, char *line)
306: {
1.7 jfb 307: fprintf(stderr, "%s\n", line);
1.1 jfb 308: return (1);
309: }
310:
311:
312: /*
313: * cvs_resp_statdir()
314: *
315: * Handler for the `Clear-static-directory' and `Set-static-directory'
316: * responses.
317: */
318:
319: static int
320: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
321: {
322: int fd;
323: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
324:
1.3 jfb 325: /* remote directory line */
326: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
327: return (-1);
1.1 jfb 328:
329: snprintf(statpath, sizeof(statpath), "%s/%s", line,
330: CVS_PATH_STATICENTRIES);
331:
332: if ((type == CVS_RESP_CLRSTATDIR) &&
333: (unlink(statpath) == -1) && (errno != ENOENT)) {
334: cvs_log(LP_ERRNO, "failed to unlink %s file",
335: CVS_PATH_STATICENTRIES);
336: return (-1);
1.11 deraadt 337: } else if (type == CVS_RESP_SETSTATDIR) {
1.1 jfb 338: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0400);
339: if (fd == -1) {
1.3 jfb 340: cvs_log(LP_ERRNO,
341: "failed to set static directory on %s", line);
1.1 jfb 342: return (-1);
343: }
344: (void)close(fd);
345:
346: }
347:
348: return (0);
349: }
350:
351: /*
352: * cvs_resp_sticky()
353: *
1.4 jfb 354: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
355: * specified directory doesn't exist, we create it and attach it to the
356: * global file structure.
1.1 jfb 357: */
358:
359: static int
360: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
361: {
1.5 jfb 362: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
363: struct cvs_ent *ent;
1.4 jfb 364: CVSFILE *cf, *sdir;
365:
366: /* get the remote path */
1.5 jfb 367: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 368: return (-1);
1.1 jfb 369:
1.4 jfb 370: STRIP_SLASH(line);
1.1 jfb 371:
1.4 jfb 372: cvs_splitpath(line, subdir, sizeof(subdir), &file);
373: sdir = cvs_file_find(cvs_files, subdir);
374: if (sdir == NULL) {
375: cvs_log(LP_ERR, "failed to find %s", subdir);
376: return (-1);
377: }
1.1 jfb 378:
1.4 jfb 379: cf = cvs_file_find(sdir, file);
380: if (cf == NULL) {
1.1 jfb 381: /* attempt to create it */
1.8 jfb 382: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.4 jfb 383: if (cf == NULL)
384: return (-1);
385: cf->cf_ddat->cd_repo = strdup(line);
386: cf->cf_ddat->cd_root = root;
387: root->cr_ref++;
1.1 jfb 388:
1.4 jfb 389: cvs_file_attach(sdir, cf);
1.5 jfb 390:
391: /* add a directory entry to the parent */
392: if (CVS_DIR_ENTRIES(sdir) != NULL) {
1.8 jfb 393: snprintf(buf, sizeof(buf), "D/%s////",
394: CVS_FILE_NAME(cf));
1.5 jfb 395: ent = cvs_ent_parse(buf);
396: if (ent == NULL)
397: cvs_log(LP_ERR,
398: "failed to create directory entry");
399: else
400: cvs_ent_add(CVS_DIR_ENTRIES(sdir), ent);
401: }
1.1 jfb 402: }
403:
1.4 jfb 404: if (type == CVS_RESP_CLRSTICKY)
405: cf->cf_ddat->cd_flags &= ~CVS_DIRF_STICKY;
406: else if (type == CVS_RESP_SETSTICKY)
407: cf->cf_ddat->cd_flags |= CVS_DIRF_STICKY;
1.1 jfb 408:
409: return (0);
410: }
411:
412:
413: /*
414: * cvs_resp_newentry()
415: *
416: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 417: * In the case of `New-entry', we expect the entry line
1.1 jfb 418: */
419:
420: static int
421: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
422: {
423: char entbuf[128];
1.9 jfb 424: struct cvs_ent *ent;
1.1 jfb 425: CVSENTRIES *entfile;
426:
427: /* get the remote path */
428: cvs_getln(root, entbuf, sizeof(entbuf));
429:
430: /* get the new Entries line */
431: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
432: return (-1);
433:
434: entfile = cvs_ent_open(line, O_WRONLY);
435: if (entfile == NULL)
436: return (-1);
1.9 jfb 437: if (type == CVS_RESP_NEWENTRY) {
438: cvs_ent_addln(entfile, entbuf);
1.11 deraadt 439: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 440: ent = cvs_ent_parse(entbuf);
441: if (ent == NULL) {
442: cvs_log(LP_ERR, "failed to parse entry");
443: cvs_ent_close(entfile);
444: return (-1);
445: }
446:
447: /* timestamp it to now */
448: ent->ce_mtime = time(&(ent->ce_mtime));
449:
450: /* replace the current entry with the one we just received */
451: if (cvs_ent_remove(entfile, ent->ce_name) < 0)
452: cvs_log(LP_WARN, "failed to remove `%s' entry",
453: ent->ce_name);
454:
455: cvs_ent_add(entfile, ent);
456: }
1.1 jfb 457: cvs_ent_close(entfile);
458:
459: return (0);
460: }
461:
462:
463: /*
464: * cvs_resp_cksum()
465: *
466: * Handler for the `Checksum' response. We store the checksum received for
467: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
468: * Upon next file reception, the handler checks to see if there is a stored
469: * checksum.
470: * The file handler must make sure that the checksums match and free the
471: * checksum buffer once it's done to indicate there is no further checksum.
472: */
473:
474: static int
475: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
476: {
477: if (cvs_fcksum != NULL) {
478: cvs_log(LP_WARN, "unused checksum");
479: free(cvs_fcksum);
480: }
481:
482: cvs_fcksum = strdup(line);
483: if (cvs_fcksum == NULL) {
484: cvs_log(LP_ERRNO, "failed to copy checksum string");
485: return (-1);
486: }
487:
488: return (0);
489: }
490:
491:
492: /*
493: * cvs_resp_modtime()
494: *
495: * Handler for the `Mod-time' file update modifying response. The timestamp
496: * given is used to set the last modification time on the next file that
497: * will be received.
498: */
499:
500: static int
501: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
502: {
1.4 jfb 503: cvs_modtime = cvs_datesec(line, CVS_DATE_RFC822, 1);
1.1 jfb 504: return (0);
505: }
506:
507:
508: /*
509: * cvs_resp_updated()
510: *
1.4 jfb 511: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
512: * `Patched' responses, which all have a very similar format.
1.1 jfb 513: */
514:
515: static int
516: cvs_resp_updated(struct cvsroot *root, int type, char *line)
517: {
518: mode_t fmode;
1.4 jfb 519: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 520: BUF *fbuf;
1.4 jfb 521: CVSFILE *cf;
1.12 ! jfb 522: CVSENTRIES *entfile;
1.1 jfb 523: struct cvs_ent *ep;
1.2 jfb 524: struct timeval tv[2];
1.1 jfb 525:
1.4 jfb 526: STRIP_SLASH(line);
527:
528: /* find parent directory of file */
529: cf = cvs_file_find(cvs_files, line);
530: if (cf == NULL) {
531: cvs_log(LP_ERR, "failed to find directory %s", line);
532: return (-1);
533: }
1.1 jfb 534:
535: /* read the remote path of the file */
1.4 jfb 536: if (cvs_getln(root, path, sizeof(path)) < 0)
537: return (-1);
1.1 jfb 538:
539: /* read the new entry */
1.4 jfb 540: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 541: return (-1);
1.4 jfb 542:
543: if ((ep = cvs_ent_parse(path)) == NULL)
544: return (-1);
545: snprintf(path, sizeof(path), "%s/%s", line, ep->ce_name);
1.1 jfb 546:
1.12 ! jfb 547: entfile = cvs_ent_open(line, O_WRONLY);
! 548: if (entfile == NULL) {
! 549: cvs_ent_free(ep);
! 550: return (-1);
! 551: }
! 552:
1.1 jfb 553: if (type == CVS_RESP_CREATED) {
554: /* set the timestamp as the last one received from Mod-time */
1.4 jfb 555: ep->ce_mtime = cvs_modtime;
1.12 ! jfb 556: cvs_ent_add(entfile, ep);
! 557: } else if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED)) {
! 558: if (cvs_ent_remove(entfile, ep->ce_name) < 0)
! 559: cvs_log(LP_WARN, "failed to remove entry for `%s'",
! 560: ep->ce_name);
! 561:
! 562: cvs_ent_add(entfile, ep);
! 563: } else if (type == CVS_RESP_MERGED) {
1.1 jfb 564: }
565:
566: fbuf = cvs_recvfile(root, &fmode);
567: if (fbuf == NULL)
568: return (-1);
569:
570: cvs_buf_write(fbuf, path, fmode);
1.2 jfb 571:
1.12 ! jfb 572: if (cvs_modtime != CVS_DATE_DMSEC) {
! 573: tv[0].tv_sec = (long)cvs_modtime;
! 574: tv[0].tv_usec = 0;
! 575: tv[1].tv_sec = (long)cvs_modtime;
! 576: tv[1].tv_usec = 0;
! 577: if (utimes(path, tv) == -1)
! 578: cvs_log(LP_ERRNO, "failed to set file timestamps");
! 579: }
1.1 jfb 580:
581: /* now see if there is a checksum */
582: if (cvs_fcksum != NULL) {
583: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0) {
584: }
585:
586: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
587: cvs_log(LP_ERR, "checksum error on received file");
588: (void)unlink(line);
589: }
590:
591: free(cvs_fcksum);
592: cvs_fcksum = NULL;
593: }
594:
595: return (0);
596: }
597:
598:
599: /*
600: * cvs_resp_removed()
601: *
1.10 jfb 602: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
603: * response is received when both a file and its entry need to be removed from
604: * the local copy. The `Remove-entry' is received in cases where the file is
605: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 606: */
607:
608: static int
609: cvs_resp_removed(struct cvsroot *root, int type, char *line)
610: {
1.3 jfb 611: char base[MAXPATHLEN], *file;
1.1 jfb 612: CVSENTRIES *ef;
613:
1.3 jfb 614: cvs_splitpath(line, base, sizeof(base), &file);
1.1 jfb 615: ef = cvs_ent_open(base, O_RDWR);
1.10 jfb 616: if (ef == NULL) {
617: cvs_log(LP_ERR, "error handling `Removed' response");
618: if (type == CVS_RESP_RMENTRY)
619: return (-1);
620: } else {
621: (void)cvs_ent_remove(ef, file);
622: cvs_ent_close(ef);
623: }
624:
625: if ((type == CVS_RESP_REMOVED) && (unlink(line) == -1)) {
626: cvs_log(LP_ERRNO, "failed to unlink `%s'", line);
1.1 jfb 627: return (-1);
1.10 jfb 628: }
1.1 jfb 629:
630: return (0);
631: }
632:
633:
634: /*
635: * cvs_resp_mode()
636: *
637: * Handler for the `Mode' response.
638: */
639:
640: static int
641: cvs_resp_mode(struct cvsroot *root, int type, char *line)
642: {
643: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 ! jfb 644: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 645: return (-1);
646: }
647: return (0);
648: }
649:
650:
651: /*
652: * cvs_resp_modxpand()
653: *
654: * Handler for the `Module-expansion' response.
655: */
656:
657: static int
658: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
659: {
660: return (0);
661: }
662:
663: /*
664: * cvs_resp_rcsdiff()
665: *
666: * Handler for the `Rcs-diff' response.
667: */
668:
669: static int
670: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
671: {
672: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
673: char *fname, *orig, *patch;
674: mode_t fmode;
675: BUF *res, *fcont, *patchbuf;
676: CVSENTRIES *entf;
677: struct cvs_ent *ent;
678:
679: /* get remote path and build local path of file to be patched */
680: cvs_getln(root, buf, sizeof(buf));
681: fname = strrchr(buf, '/');
682: if (fname == NULL)
683: fname = buf;
684: snprintf(file, sizeof(file), "%s%s", line, fname);
685:
686: /* get updated entry fields */
687: cvs_getln(root, buf, sizeof(buf));
688: ent = cvs_ent_parse(buf);
689: if (ent == NULL) {
690: return (-1);
691: }
692:
693: patchbuf = cvs_recvfile(root, &fmode);
694: fcont = cvs_buf_load(file, BUF_AUTOEXT);
695: if (fcont == NULL)
696: return (-1);
697:
698: cvs_buf_putc(patchbuf, '\0');
699: cvs_buf_putc(fcont, '\0');
700: orig = cvs_buf_release(fcont);
701: patch = cvs_buf_release(patchbuf);
702:
703: res = rcs_patch(orig, patch);
704: if (res == NULL)
705: return (-1);
706:
707: cvs_buf_write(res, file, fmode);
708:
709: /* now see if there is a checksum */
710: if (cvs_fcksum != NULL) {
711: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
712: }
713:
714: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
715: cvs_log(LP_ERR, "checksum error on received file");
716: (void)unlink(file);
717: }
718:
719: free(cvs_fcksum);
720: cvs_fcksum = NULL;
721: }
722:
723: /* update revision in entries */
724: entf = cvs_ent_open(line, O_WRONLY);
725: if (entf == NULL)
726: return (-1);
727:
728: cvs_ent_close(entf);
729:
730: return (0);
731: }
732:
733:
734: /*
735: * cvs_resp_template()
736: *
737: * Handler for the `Template' response.
738: */
739:
740: static int
741: cvs_resp_template(struct cvsroot *root, int type, char *line)
742: {
743: mode_t mode;
744: BUF *tmpl;
745:
746: tmpl = cvs_recvfile(root, &mode);
747: if (tmpl == NULL)
748: return (-1);
749:
750: return (0);
751: }
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