Annotation of src/usr.bin/cvs/resp.c, Revision 1.21
1.21 ! jfb 1: /* $OpenBSD: resp.c,v 1.20 2005/01/13 05:39:07 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: #include <sysexits.h>
41:
42: #include "buf.h"
43: #include "cvs.h"
44: #include "log.h"
45: #include "file.h"
46: #include "proto.h"
47:
48:
49: #define CVS_MTSTK_MAXDEPTH 16
50:
51:
1.4 jfb 52: #define STRIP_SLASH(p) \
53: do { \
54: size_t len; \
55: len = strlen(p); \
56: while ((len > 0) && (p[len - 1] == '/')) \
57: p[--len] = '\0'; \
58: } while (0)
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 *);
1.14 jfb 76: static int cvs_resp_copyfile (struct cvsroot *, int, char *);
1.1 jfb 77:
78:
79: struct cvs_resphdlr {
80: int (*hdlr)(struct cvsroot *, int, char *);
81: } cvs_resp_swtab[CVS_RESP_MAX + 1] = {
82: { NULL },
83: { cvs_resp_ok },
84: { cvs_resp_error },
85: { cvs_resp_validreq },
86: { cvs_resp_newentry },
87: { cvs_resp_newentry },
88: { cvs_resp_cksum },
1.14 jfb 89: { cvs_resp_copyfile },
1.1 jfb 90: { cvs_resp_updated },
91: { cvs_resp_updated },
92: { cvs_resp_updated }, /* 10 */
93: { cvs_resp_updated },
94: { cvs_resp_updated },
95: { cvs_resp_rcsdiff },
96: { cvs_resp_mode },
97: { cvs_resp_modtime },
98: { cvs_resp_removed },
99: { cvs_resp_removed },
100: { cvs_resp_statdir },
101: { cvs_resp_statdir },
102: { cvs_resp_sticky }, /* 20 */
103: { cvs_resp_sticky },
104: { cvs_resp_template },
105: { NULL },
106: { NULL },
107: { NULL },
108: { cvs_resp_modxpand },
109: { NULL },
110: { cvs_resp_m },
111: { cvs_resp_m },
112: { cvs_resp_m }, /* 30 */
113: { cvs_resp_m },
114: { cvs_resp_m },
115: };
116:
117:
118:
119: /*
120: * The MT command uses scoping to tag the data. Whenever we encouter a '+',
121: * we push the name of the tag on the stack, and we pop it when we encounter
122: * a '-' with the same name.
123: */
124:
125: static char *cvs_mt_stack[CVS_MTSTK_MAXDEPTH];
126: static u_int cvs_mtstk_depth = 0;
127:
1.12 jfb 128: static time_t cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 129:
130:
131: /* last checksum received */
132: char *cvs_fcksum = NULL;
133:
134: mode_t cvs_lastmode = 0;
135:
136: /* hack to receive the remote version without outputting it */
137: extern u_int cvs_version_sent;
138:
139:
140: /*
141: * cvs_resp_handle()
142: *
143: * Generic response handler dispatcher. The handler expects the first line
144: * of the command as single argument.
145: * Returns the return value of the command on success, or -1 on failure.
146: */
147: int
148: cvs_resp_handle(struct cvsroot *root, char *line)
149: {
1.15 jfb 150: int ret;
1.1 jfb 151: char *cp, *cmd;
152: struct cvs_resp *resp;
153:
154: cmd = line;
155:
156: cp = strchr(cmd, ' ');
157: if (cp != NULL)
158: *(cp++) = '\0';
159:
160: resp = cvs_resp_getbyname(cmd);
161: if (resp == NULL) {
162: return (-1);
1.11 deraadt 163: } else if (cvs_resp_swtab[resp->resp_id].hdlr == NULL) {
1.20 jfb 164: cvs_log(LP_ERR, "handler for `%s' not implemented", cmd);
1.1 jfb 165: return (-1);
166: }
167:
1.15 jfb 168: ret = (*cvs_resp_swtab[resp->resp_id].hdlr)(root, resp->resp_id, cp);
169:
170: if (ret == -1)
171: cvs_log(LP_ERR, "error in handling of `%s' response", cmd);
172:
173: return (ret);
1.1 jfb 174: }
175:
176:
177: /*
178: * cvs_resp_validreq()
179: *
180: * Handler for the `Valid-requests' response. The list of valid requests is
181: * split on spaces and each request's entry in the valid request array is set
182: * to 1 to indicate the validity.
183: * Returns 0 on success, or -1 on failure.
184: */
185: static int
186: cvs_resp_validreq(struct cvsroot *root, int type, char *line)
187: {
188: char *sp, *ep;
189: struct cvs_req *req;
190:
191: /* parse the requests */
192: sp = line;
193: do {
194: ep = strchr(sp, ' ');
195: if (ep != NULL)
196: *ep = '\0';
197:
198: req = cvs_req_getbyname(sp);
199: if (req != NULL)
200: CVS_SETVR(root, req->req_id);
201:
202: if (ep != NULL)
203: sp = ep + 1;
204: } while (ep != NULL);
205:
206: return (0);
207: }
208:
209:
210: /*
211: * cvs_resp_m()
212: *
213: * Handler for the `M', 'MT', `F' and `E' responses.
214: */
215: static int
216: cvs_resp_m(struct cvsroot *root, int type, char *line)
217: {
218: char *cp;
219: FILE *stream;
220:
221: stream = NULL;
222:
223: switch (type) {
224: case CVS_RESP_F:
225: fflush(stderr);
226: return (0);
227: case CVS_RESP_M:
228: if (cvs_version_sent) {
229: /*
230: * Instead of outputting the line, we save it as the
231: * remote server's version string.
232: */
233: cvs_version_sent = 0;
234: root->cr_version = strdup(line);
235: return (0);
236: }
237: stream = stdout;
238: break;
239: case CVS_RESP_E:
240: stream = stderr;
241: break;
242: case CVS_RESP_MT:
243: if (*line == '+') {
244: if (cvs_mtstk_depth == CVS_MTSTK_MAXDEPTH) {
245: cvs_log(LP_ERR,
246: "MT scope stack has reached max depth");
247: return (-1);
248: }
249: cvs_mt_stack[cvs_mtstk_depth] = strdup(line + 1);
250: if (cvs_mt_stack[cvs_mtstk_depth] == NULL)
251: return (-1);
252: cvs_mtstk_depth++;
1.11 deraadt 253: } else if (*line == '-') {
1.1 jfb 254: if (cvs_mtstk_depth == 0) {
255: cvs_log(LP_ERR, "MT scope stack underflow");
256: return (-1);
1.11 deraadt 257: } else if (strcmp(line + 1,
1.1 jfb 258: cvs_mt_stack[cvs_mtstk_depth - 1]) != 0) {
259: cvs_log(LP_ERR, "mismatch in MT scope stack");
260: return (-1);
261: }
262: free(cvs_mt_stack[cvs_mtstk_depth--]);
1.11 deraadt 263: } else {
1.1 jfb 264: if (strcmp(line, "newline") == 0)
265: putc('\n', stdout);
266: else if (strncmp(line, "fname ", 6) == 0)
267: printf("%s", line + 6);
268: else {
269: /* assume text */
270: cp = strchr(line, ' ');
271: if (cp != NULL)
272: printf("%s", cp + 1);
273: }
274: }
275:
276: return (0);
277: case CVS_RESP_MBINARY:
278: cvs_log(LP_WARN, "Mbinary not supported in client yet");
279: break;
280: }
281:
282: fputs(line, stream);
283: fputc('\n', stream);
284:
285: return (0);
286: }
287:
288:
289: /*
290: * cvs_resp_ok()
291: *
1.13 tedu 292: * Handler for the `ok' response. This handler's job is to
1.1 jfb 293: */
294: static int
295: cvs_resp_ok(struct cvsroot *root, int type, char *line)
296: {
1.13 tedu 297:
1.1 jfb 298: return (1);
299: }
300:
301:
302: /*
303: * cvs_resp_error()
304: *
1.13 tedu 305: * Handler for the `error' response. This handler's job is to
1.1 jfb 306: */
307: static int
308: cvs_resp_error(struct cvsroot *root, int type, char *line)
309: {
1.13 tedu 310:
1.7 jfb 311: fprintf(stderr, "%s\n", line);
1.1 jfb 312: return (1);
313: }
314:
315:
316: /*
317: * cvs_resp_statdir()
318: *
319: * Handler for the `Clear-static-directory' and `Set-static-directory'
320: * responses.
321: */
322: static int
323: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
324: {
325: int fd;
326: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
327:
1.3 jfb 328: /* remote directory line */
329: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
330: return (-1);
1.1 jfb 331:
332: snprintf(statpath, sizeof(statpath), "%s/%s", line,
333: CVS_PATH_STATICENTRIES);
334:
335: if ((type == CVS_RESP_CLRSTATDIR) &&
336: (unlink(statpath) == -1) && (errno != ENOENT)) {
337: cvs_log(LP_ERRNO, "failed to unlink %s file",
338: CVS_PATH_STATICENTRIES);
339: return (-1);
1.11 deraadt 340: } else if (type == CVS_RESP_SETSTATDIR) {
1.1 jfb 341: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0400);
342: if (fd == -1) {
1.3 jfb 343: cvs_log(LP_ERRNO,
344: "failed to set static directory on %s", line);
1.1 jfb 345: return (-1);
346: }
347: (void)close(fd);
348:
349: }
350:
351: return (0);
352: }
353:
354: /*
355: * cvs_resp_sticky()
356: *
1.4 jfb 357: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
358: * specified directory doesn't exist, we create it and attach it to the
359: * global file structure.
1.1 jfb 360: */
361: static int
362: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
363: {
1.5 jfb 364: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
365: struct cvs_ent *ent;
1.4 jfb 366: CVSFILE *cf, *sdir;
1.21 ! jfb 367: CVSENTRIES *entf;
1.4 jfb 368:
369: /* get the remote path */
1.5 jfb 370: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 371: return (-1);
1.1 jfb 372:
1.4 jfb 373: STRIP_SLASH(line);
1.1 jfb 374:
1.4 jfb 375: cvs_splitpath(line, subdir, sizeof(subdir), &file);
376: sdir = cvs_file_find(cvs_files, subdir);
377: if (sdir == NULL) {
378: cvs_log(LP_ERR, "failed to find %s", subdir);
379: return (-1);
380: }
1.1 jfb 381:
1.4 jfb 382: cf = cvs_file_find(sdir, file);
383: if (cf == NULL) {
1.1 jfb 384: /* attempt to create it */
1.8 jfb 385: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.4 jfb 386: if (cf == NULL)
387: return (-1);
388: cf->cf_ddat->cd_repo = strdup(line);
1.19 jfb 389: if (cf->cf_ddat->cd_repo == NULL) {
390: cvs_log(LP_ERRNO, "failed to duplicate `%s'", line);
391: cvs_file_free(cf);
392: return (-1);
393: }
1.4 jfb 394: cf->cf_ddat->cd_root = root;
395: root->cr_ref++;
1.1 jfb 396:
1.4 jfb 397: cvs_file_attach(sdir, cf);
1.5 jfb 398:
399: /* add a directory entry to the parent */
1.21 ! jfb 400: if ((entf = cvs_ent_open(subdir, O_WRONLY)) != NULL) {
1.8 jfb 401: snprintf(buf, sizeof(buf), "D/%s////",
402: CVS_FILE_NAME(cf));
1.5 jfb 403: ent = cvs_ent_parse(buf);
404: if (ent == NULL)
405: cvs_log(LP_ERR,
406: "failed to create directory entry");
407: else
1.21 ! jfb 408: cvs_ent_add(entf, ent);
! 409: cvs_ent_close(entf);
1.5 jfb 410: }
1.1 jfb 411: }
412:
1.4 jfb 413: if (type == CVS_RESP_CLRSTICKY)
414: cf->cf_ddat->cd_flags &= ~CVS_DIRF_STICKY;
415: else if (type == CVS_RESP_SETSTICKY)
416: cf->cf_ddat->cd_flags |= CVS_DIRF_STICKY;
1.1 jfb 417:
418: return (0);
419: }
420:
421:
422: /*
423: * cvs_resp_newentry()
424: *
425: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 426: * In the case of `New-entry', we expect the entry line
1.1 jfb 427: */
428: static int
429: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
430: {
431: char entbuf[128];
1.9 jfb 432: struct cvs_ent *ent;
1.1 jfb 433: CVSENTRIES *entfile;
434:
435: /* get the remote path */
436: cvs_getln(root, entbuf, sizeof(entbuf));
437:
438: /* get the new Entries line */
439: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
440: return (-1);
441:
442: entfile = cvs_ent_open(line, O_WRONLY);
443: if (entfile == NULL)
444: return (-1);
1.9 jfb 445: if (type == CVS_RESP_NEWENTRY) {
446: cvs_ent_addln(entfile, entbuf);
1.11 deraadt 447: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 448: ent = cvs_ent_parse(entbuf);
449: if (ent == NULL) {
450: cvs_log(LP_ERR, "failed to parse entry");
451: cvs_ent_close(entfile);
452: return (-1);
453: }
454:
455: /* timestamp it to now */
456: ent->ce_mtime = time(&(ent->ce_mtime));
457:
458: /* replace the current entry with the one we just received */
459: if (cvs_ent_remove(entfile, ent->ce_name) < 0)
460: cvs_log(LP_WARN, "failed to remove `%s' entry",
461: ent->ce_name);
462:
463: cvs_ent_add(entfile, ent);
464: }
1.1 jfb 465: cvs_ent_close(entfile);
466:
467: return (0);
468: }
469:
470:
471: /*
472: * cvs_resp_cksum()
473: *
474: * Handler for the `Checksum' response. We store the checksum received for
475: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
476: * Upon next file reception, the handler checks to see if there is a stored
477: * checksum.
478: * The file handler must make sure that the checksums match and free the
479: * checksum buffer once it's done to indicate there is no further checksum.
480: */
481: static int
482: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
483: {
484: if (cvs_fcksum != NULL) {
485: cvs_log(LP_WARN, "unused checksum");
486: free(cvs_fcksum);
487: }
488:
489: cvs_fcksum = strdup(line);
490: if (cvs_fcksum == NULL) {
491: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 492: return (-1);
493: }
494:
495: return (0);
496: }
497:
498:
499: /*
500: * cvs_resp_copyfile()
501: *
502: * Handler for the `Copy-file' response, which is used to copy the contents
503: * of a file to another file for which the name is provided. The CVS protocol
504: * documentation states that this response is only used prior to a `Merged'
505: * response to create a backup of the file.
506: */
507: static int
508: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
509: {
1.16 jfb 510: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 511:
1.16 jfb 512: /* read the remote path of the file to copy and its new name */
513: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
514: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 515: return (-1);
516:
1.16 jfb 517: if ((file = basename(path)) == NULL) {
518: cvs_log(LP_ERR, "no base file name in Copy-file path");
519: return (-1);
520: }
521:
522: snprintf(path, sizeof(path), "%s%s", line, file);
523: snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
524:
525: if (rename(path, newpath) == -1) {
1.14 jfb 526: cvs_log(LP_ERRNO, "failed to rename %s to %s", line, newname);
1.1 jfb 527: return (-1);
528: }
529:
530: return (0);
531: }
532:
533:
534: /*
535: * cvs_resp_modtime()
536: *
537: * Handler for the `Mod-time' file update modifying response. The timestamp
538: * given is used to set the last modification time on the next file that
539: * will be received.
540: */
541: static int
542: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
543: {
1.4 jfb 544: cvs_modtime = cvs_datesec(line, CVS_DATE_RFC822, 1);
1.1 jfb 545: return (0);
546: }
547:
548:
549: /*
550: * cvs_resp_updated()
551: *
1.4 jfb 552: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
553: * `Patched' responses, which all have a very similar format.
1.1 jfb 554: */
555: static int
556: cvs_resp_updated(struct cvsroot *root, int type, char *line)
557: {
1.17 jfb 558: int ret;
1.1 jfb 559: mode_t fmode;
1.4 jfb 560: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 561: BUF *fbuf;
1.12 jfb 562: CVSENTRIES *entfile;
1.1 jfb 563: struct cvs_ent *ep;
1.2 jfb 564: struct timeval tv[2];
1.1 jfb 565:
1.17 jfb 566: ret = 0;
1.4 jfb 567: STRIP_SLASH(line);
568:
1.1 jfb 569: /* read the remote path of the file */
1.4 jfb 570: if (cvs_getln(root, path, sizeof(path)) < 0)
571: return (-1);
1.1 jfb 572:
573: /* read the new entry */
1.4 jfb 574: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 575: return (-1);
1.4 jfb 576:
577: if ((ep = cvs_ent_parse(path)) == NULL)
578: return (-1);
579: snprintf(path, sizeof(path), "%s/%s", line, ep->ce_name);
1.1 jfb 580:
1.12 jfb 581: entfile = cvs_ent_open(line, O_WRONLY);
582: if (entfile == NULL) {
583: cvs_ent_free(ep);
584: return (-1);
585: }
586:
1.15 jfb 587: if (cvs_modtime != CVS_DATE_DMSEC) {
1.4 jfb 588: ep->ce_mtime = cvs_modtime;
1.15 jfb 589: cvs_modtime = CVS_DATE_DMSEC; /* invalidate */
590: } else
591: ep->ce_mtime = time(&(ep->ce_mtime));
592:
593: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 594: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.12 jfb 595: if (cvs_ent_remove(entfile, ep->ce_name) < 0)
596: cvs_log(LP_WARN, "failed to remove entry for `%s'",
597: ep->ce_name);
1.15 jfb 598: }
1.12 jfb 599:
1.15 jfb 600: if (cvs_ent_add(entfile, ep) < 0) {
601: cvs_ent_free(ep);
602: cvs_ent_close(entfile);
603: return (-1);
1.1 jfb 604: }
1.15 jfb 605:
606: cvs_ent_close(entfile);
1.1 jfb 607:
1.17 jfb 608: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
609: return (-1);
610: if (cvs_buf_write(fbuf, path, fmode) < 0) {
611: cvs_buf_free(fbuf);
1.1 jfb 612: return (-1);
1.17 jfb 613: }
614: cvs_buf_free(fbuf);
1.2 jfb 615:
1.12 jfb 616: if (cvs_modtime != CVS_DATE_DMSEC) {
617: tv[0].tv_sec = (long)cvs_modtime;
618: tv[0].tv_usec = 0;
619: tv[1].tv_sec = (long)cvs_modtime;
620: tv[1].tv_usec = 0;
621: if (utimes(path, tv) == -1)
622: cvs_log(LP_ERRNO, "failed to set file timestamps");
623: }
1.1 jfb 624:
625: /* now see if there is a checksum */
626: if (cvs_fcksum != NULL) {
1.17 jfb 627: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
628: ret = -1;
629: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 630: cvs_log(LP_ERR, "checksum error on received file");
631: (void)unlink(line);
1.17 jfb 632: ret = -1;
1.1 jfb 633: }
634:
635: free(cvs_fcksum);
636: cvs_fcksum = NULL;
637: }
638:
1.17 jfb 639: return (ret);
1.1 jfb 640: }
641:
642:
643: /*
644: * cvs_resp_removed()
645: *
1.10 jfb 646: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
647: * response is received when both a file and its entry need to be removed from
648: * the local copy. The `Remove-entry' is received in cases where the file is
649: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 650: */
651: static int
652: cvs_resp_removed(struct cvsroot *root, int type, char *line)
653: {
1.3 jfb 654: char base[MAXPATHLEN], *file;
1.1 jfb 655: CVSENTRIES *ef;
656:
1.3 jfb 657: cvs_splitpath(line, base, sizeof(base), &file);
1.1 jfb 658: ef = cvs_ent_open(base, O_RDWR);
1.10 jfb 659: if (ef == NULL) {
660: cvs_log(LP_ERR, "error handling `Removed' response");
661: if (type == CVS_RESP_RMENTRY)
662: return (-1);
663: } else {
664: (void)cvs_ent_remove(ef, file);
665: cvs_ent_close(ef);
666: }
667:
668: if ((type == CVS_RESP_REMOVED) && (unlink(line) == -1)) {
669: cvs_log(LP_ERRNO, "failed to unlink `%s'", line);
1.1 jfb 670: return (-1);
1.10 jfb 671: }
1.1 jfb 672:
673: return (0);
674: }
675:
676:
677: /*
678: * cvs_resp_mode()
679: *
680: * Handler for the `Mode' response.
681: */
682: static int
683: cvs_resp_mode(struct cvsroot *root, int type, char *line)
684: {
685: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 686: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 687: return (-1);
688: }
689: return (0);
690: }
691:
692:
693: /*
694: * cvs_resp_modxpand()
695: *
696: * Handler for the `Module-expansion' response.
697: */
698: static int
699: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
700: {
701: return (0);
702: }
703:
704: /*
705: * cvs_resp_rcsdiff()
706: *
707: * Handler for the `Rcs-diff' response.
708: */
709: static int
710: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
711: {
712: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
713: char *fname, *orig, *patch;
714: mode_t fmode;
715: BUF *res, *fcont, *patchbuf;
716: CVSENTRIES *entf;
717: struct cvs_ent *ent;
718:
719: /* get remote path and build local path of file to be patched */
720: cvs_getln(root, buf, sizeof(buf));
721: fname = strrchr(buf, '/');
722: if (fname == NULL)
723: fname = buf;
724: snprintf(file, sizeof(file), "%s%s", line, fname);
725:
726: /* get updated entry fields */
727: cvs_getln(root, buf, sizeof(buf));
728: ent = cvs_ent_parse(buf);
1.13 tedu 729: if (ent == NULL)
1.1 jfb 730: return (-1);
731:
732: patchbuf = cvs_recvfile(root, &fmode);
733: fcont = cvs_buf_load(file, BUF_AUTOEXT);
734: if (fcont == NULL)
735: return (-1);
736:
737: cvs_buf_putc(patchbuf, '\0');
738: cvs_buf_putc(fcont, '\0');
739: orig = cvs_buf_release(fcont);
740: patch = cvs_buf_release(patchbuf);
741:
742: res = rcs_patch(orig, patch);
743: if (res == NULL)
744: return (-1);
745:
746: cvs_buf_write(res, file, fmode);
747:
748: /* now see if there is a checksum */
749: if (cvs_fcksum != NULL) {
750: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
751: }
752:
753: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
754: cvs_log(LP_ERR, "checksum error on received file");
755: (void)unlink(file);
756: }
757:
758: free(cvs_fcksum);
759: cvs_fcksum = NULL;
760: }
761:
762: /* update revision in entries */
763: entf = cvs_ent_open(line, O_WRONLY);
764: if (entf == NULL)
765: return (-1);
766:
767: cvs_ent_close(entf);
768:
769: return (0);
770: }
771:
772:
773: /*
774: * cvs_resp_template()
775: *
776: * Handler for the `Template' response.
777: */
778: static int
779: cvs_resp_template(struct cvsroot *root, int type, char *line)
780: {
781: mode_t mode;
782: BUF *tmpl;
783:
784: tmpl = cvs_recvfile(root, &mode);
785: if (tmpl == NULL)
786: return (-1);
787:
788: return (0);
789: }
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