Annotation of src/usr.bin/cvs/resp.c, Revision 1.31
1.31 ! joris 1: /* $OpenBSD: resp.c,v 1.30 2005/04/20 15:50:54 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:
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
1.31 ! joris 305: * show the error message given by the server.
1.1 jfb 306: */
307: static int
308: cvs_resp_error(struct cvsroot *root, int type, char *line)
309: {
1.31 ! joris 310:
! 311: /* XXX - GNU cvs sends an empty error message
! 312: * at the end of the diff command, even for successfull
! 313: * diff.
! 314: */
! 315: if ((strlen(line) == 1) && (*line == ' '))
! 316: return (1);
1.13 tedu 317:
1.7 jfb 318: fprintf(stderr, "%s\n", line);
1.1 jfb 319: return (1);
320: }
321:
322:
323: /*
324: * cvs_resp_statdir()
325: *
326: * Handler for the `Clear-static-directory' and `Set-static-directory'
327: * responses.
328: */
329: static int
330: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
331: {
1.24 jfb 332: int fd, len;
1.1 jfb 333: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
334:
1.3 jfb 335: /* remote directory line */
336: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
337: return (-1);
1.1 jfb 338:
1.24 jfb 339: len = snprintf(statpath, sizeof(statpath), "%s/%s", line,
1.1 jfb 340: CVS_PATH_STATICENTRIES);
1.24 jfb 341: if (len == -1 || len >= (int)sizeof(statpath)) {
342: cvs_log(LP_ERR,
343: "path overflow for Entries.static specification");
344: return (-1);
345: }
1.1 jfb 346:
347: if ((type == CVS_RESP_CLRSTATDIR) &&
348: (unlink(statpath) == -1) && (errno != ENOENT)) {
349: cvs_log(LP_ERRNO, "failed to unlink %s file",
350: CVS_PATH_STATICENTRIES);
351: return (-1);
1.11 deraadt 352: } else if (type == CVS_RESP_SETSTATDIR) {
1.1 jfb 353: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0400);
354: if (fd == -1) {
1.3 jfb 355: cvs_log(LP_ERRNO,
356: "failed to set static directory on %s", line);
1.1 jfb 357: return (-1);
358: }
359: (void)close(fd);
360:
361: }
362:
363: return (0);
364: }
365:
366: /*
367: * cvs_resp_sticky()
368: *
1.4 jfb 369: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
370: * specified directory doesn't exist, we create it and attach it to the
371: * global file structure.
1.1 jfb 372: */
373: static int
374: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
375: {
1.5 jfb 376: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
377: struct cvs_ent *ent;
1.4 jfb 378: CVSFILE *cf, *sdir;
1.21 jfb 379: CVSENTRIES *entf;
1.4 jfb 380:
381: /* get the remote path */
1.5 jfb 382: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 383: return (-1);
1.1 jfb 384:
1.4 jfb 385: STRIP_SLASH(line);
1.1 jfb 386:
1.4 jfb 387: cvs_splitpath(line, subdir, sizeof(subdir), &file);
388: sdir = cvs_file_find(cvs_files, subdir);
389: if (sdir == NULL) {
390: cvs_log(LP_ERR, "failed to find %s", subdir);
391: return (-1);
392: }
1.1 jfb 393:
1.4 jfb 394: cf = cvs_file_find(sdir, file);
395: if (cf == NULL) {
1.1 jfb 396: /* attempt to create it */
1.8 jfb 397: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.4 jfb 398: if (cf == NULL)
399: return (-1);
1.28 jfb 400: cf->cf_repo = strdup(line);
401: if (cf->cf_repo == NULL) {
1.19 jfb 402: cvs_log(LP_ERRNO, "failed to duplicate `%s'", line);
403: cvs_file_free(cf);
404: return (-1);
405: }
1.28 jfb 406: cf->cf_root = root;
1.4 jfb 407: root->cr_ref++;
1.1 jfb 408:
1.22 joris 409: if (cvs_file_attach(sdir, cf) < 0) {
410: cvs_file_free(cf);
411: return (-1);
412: }
1.5 jfb 413:
414: /* add a directory entry to the parent */
1.21 jfb 415: if ((entf = cvs_ent_open(subdir, O_WRONLY)) != NULL) {
1.8 jfb 416: snprintf(buf, sizeof(buf), "D/%s////",
417: CVS_FILE_NAME(cf));
1.5 jfb 418: ent = cvs_ent_parse(buf);
419: if (ent == NULL)
420: cvs_log(LP_ERR,
421: "failed to create directory entry");
422: else
1.21 jfb 423: cvs_ent_add(entf, ent);
424: cvs_ent_close(entf);
1.5 jfb 425: }
1.1 jfb 426: }
427:
1.4 jfb 428: if (type == CVS_RESP_CLRSTICKY)
1.28 jfb 429: cf->cf_flags &= ~CVS_DIRF_STICKY;
1.4 jfb 430: else if (type == CVS_RESP_SETSTICKY)
1.28 jfb 431: cf->cf_flags |= CVS_DIRF_STICKY;
1.1 jfb 432:
433: return (0);
434: }
435:
436:
437: /*
438: * cvs_resp_newentry()
439: *
440: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 441: * In the case of `New-entry', we expect the entry line
1.1 jfb 442: */
443: static int
444: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
445: {
446: char entbuf[128];
1.9 jfb 447: struct cvs_ent *ent;
1.1 jfb 448: CVSENTRIES *entfile;
449:
450: /* get the remote path */
451: cvs_getln(root, entbuf, sizeof(entbuf));
452:
453: /* get the new Entries line */
454: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
455: return (-1);
456:
457: entfile = cvs_ent_open(line, O_WRONLY);
458: if (entfile == NULL)
459: return (-1);
1.9 jfb 460: if (type == CVS_RESP_NEWENTRY) {
461: cvs_ent_addln(entfile, entbuf);
1.11 deraadt 462: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 463: ent = cvs_ent_parse(entbuf);
464: if (ent == NULL) {
465: cvs_log(LP_ERR, "failed to parse entry");
466: cvs_ent_close(entfile);
467: return (-1);
468: }
469:
470: /* timestamp it to now */
471: ent->ce_mtime = time(&(ent->ce_mtime));
472:
473: /* replace the current entry with the one we just received */
1.26 xsa 474: (void)cvs_ent_remove(entfile, ent->ce_name);
1.9 jfb 475:
476: cvs_ent_add(entfile, ent);
477: }
1.1 jfb 478: cvs_ent_close(entfile);
479:
480: return (0);
481: }
482:
483:
484: /*
485: * cvs_resp_cksum()
486: *
487: * Handler for the `Checksum' response. We store the checksum received for
488: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
489: * Upon next file reception, the handler checks to see if there is a stored
490: * checksum.
491: * The file handler must make sure that the checksums match and free the
492: * checksum buffer once it's done to indicate there is no further checksum.
493: */
494: static int
495: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
496: {
497: if (cvs_fcksum != NULL) {
498: cvs_log(LP_WARN, "unused checksum");
499: free(cvs_fcksum);
500: }
501:
502: cvs_fcksum = strdup(line);
503: if (cvs_fcksum == NULL) {
504: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 505: return (-1);
506: }
507:
508: return (0);
509: }
510:
511:
512: /*
513: * cvs_resp_copyfile()
514: *
515: * Handler for the `Copy-file' response, which is used to copy the contents
516: * of a file to another file for which the name is provided. The CVS protocol
517: * documentation states that this response is only used prior to a `Merged'
518: * response to create a backup of the file.
519: */
520: static int
521: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
522: {
1.24 jfb 523: int len;
1.16 jfb 524: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 525:
1.16 jfb 526: /* read the remote path of the file to copy and its new name */
527: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
528: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 529: return (-1);
530:
1.16 jfb 531: if ((file = basename(path)) == NULL) {
532: cvs_log(LP_ERR, "no base file name in Copy-file path");
533: return (-1);
534: }
535:
1.24 jfb 536: len = snprintf(path, sizeof(path), "%s%s", line, file);
537: if (len == -1 || len >= (int)sizeof(path)) {
538: cvs_log(LP_ERR, "source path overflow in Copy-file response");
539: return (-1);
540: }
541: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
542: if (len == -1 || len >= (int)sizeof(path)) {
543: cvs_log(LP_ERR,
544: "destination path overflow in Copy-file response");
545: return (-1);
546: }
1.16 jfb 547:
548: if (rename(path, newpath) == -1) {
1.27 xsa 549: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 550: return (-1);
551: }
552:
553: return (0);
554: }
555:
556:
557: /*
558: * cvs_resp_modtime()
559: *
560: * Handler for the `Mod-time' file update modifying response. The timestamp
561: * given is used to set the last modification time on the next file that
562: * will be received.
563: */
564: static int
565: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
566: {
1.4 jfb 567: cvs_modtime = cvs_datesec(line, CVS_DATE_RFC822, 1);
1.1 jfb 568: return (0);
569: }
570:
571:
572: /*
573: * cvs_resp_updated()
574: *
1.4 jfb 575: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
576: * `Patched' responses, which all have a very similar format.
1.1 jfb 577: */
578: static int
579: cvs_resp_updated(struct cvsroot *root, int type, char *line)
580: {
1.17 jfb 581: int ret;
1.1 jfb 582: mode_t fmode;
1.4 jfb 583: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 584: BUF *fbuf;
1.12 jfb 585: CVSENTRIES *entfile;
1.1 jfb 586: struct cvs_ent *ep;
1.2 jfb 587: struct timeval tv[2];
1.1 jfb 588:
1.4 jfb 589: STRIP_SLASH(line);
590:
1.1 jfb 591: /* read the remote path of the file */
1.4 jfb 592: if (cvs_getln(root, path, sizeof(path)) < 0)
593: return (-1);
1.1 jfb 594:
595: /* read the new entry */
1.4 jfb 596: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 597: return (-1);
1.4 jfb 598:
599: if ((ep = cvs_ent_parse(path)) == NULL)
600: return (-1);
1.24 jfb 601: ret = snprintf(path, sizeof(path), "%s/%s", line, ep->ce_name);
602: if (ret == -1 || ret >= (int)sizeof(path)) {
603: cvs_log(LP_ERR, "Entries path overflow in response");
604: return (-1);
605: }
1.25 joris 606: ret = 0;
1.1 jfb 607:
1.12 jfb 608: entfile = cvs_ent_open(line, O_WRONLY);
609: if (entfile == NULL) {
610: cvs_ent_free(ep);
611: return (-1);
612: }
613:
1.15 jfb 614: if (cvs_modtime != CVS_DATE_DMSEC) {
1.4 jfb 615: ep->ce_mtime = cvs_modtime;
1.15 jfb 616: cvs_modtime = CVS_DATE_DMSEC; /* invalidate */
617: } else
618: ep->ce_mtime = time(&(ep->ce_mtime));
619:
620: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 621: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.30 joris 622: if ((cvs_ent_remove(entfile, ep->ce_name) < 0) &&
623: (type != CVS_RESP_CREATED)) {
624: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.12 jfb 625: ep->ce_name);
1.30 joris 626: }
1.15 jfb 627: }
1.12 jfb 628:
1.15 jfb 629: if (cvs_ent_add(entfile, ep) < 0) {
630: cvs_ent_free(ep);
631: cvs_ent_close(entfile);
632: return (-1);
1.1 jfb 633: }
1.15 jfb 634:
635: cvs_ent_close(entfile);
1.1 jfb 636:
1.17 jfb 637: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
638: return (-1);
639: if (cvs_buf_write(fbuf, path, fmode) < 0) {
640: cvs_buf_free(fbuf);
1.1 jfb 641: return (-1);
1.17 jfb 642: }
643: cvs_buf_free(fbuf);
1.2 jfb 644:
1.12 jfb 645: if (cvs_modtime != CVS_DATE_DMSEC) {
646: tv[0].tv_sec = (long)cvs_modtime;
647: tv[0].tv_usec = 0;
648: tv[1].tv_sec = (long)cvs_modtime;
649: tv[1].tv_usec = 0;
650: if (utimes(path, tv) == -1)
651: cvs_log(LP_ERRNO, "failed to set file timestamps");
652: }
1.1 jfb 653:
654: /* now see if there is a checksum */
655: if (cvs_fcksum != NULL) {
1.17 jfb 656: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
657: ret = -1;
658: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 659: cvs_log(LP_ERR, "checksum error on received file");
660: (void)unlink(line);
1.17 jfb 661: ret = -1;
1.1 jfb 662: }
663:
664: free(cvs_fcksum);
665: cvs_fcksum = NULL;
666: }
667:
1.17 jfb 668: return (ret);
1.1 jfb 669: }
670:
671:
672: /*
673: * cvs_resp_removed()
674: *
1.10 jfb 675: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
676: * response is received when both a file and its entry need to be removed from
677: * the local copy. The `Remove-entry' is received in cases where the file is
678: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 679: */
680: static int
681: cvs_resp_removed(struct cvsroot *root, int type, char *line)
682: {
1.29 joris 683: int l;
684: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 685: CVSENTRIES *ef;
686:
1.29 joris 687: if (cvs_getln(root, buf, sizeof(buf)) < 0)
688: return (-1);
689:
690: cvs_splitpath(buf, base, sizeof(base), &file);
691: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
692: if (l == -1 || l >= (int)sizeof(fpath)) {
693: errno = ENAMETOOLONG;
694: cvs_log(LP_ERRNO, "%s", fpath);
695: return (-1);
696: }
697:
698: ef = cvs_ent_open(line, O_RDWR);
1.10 jfb 699: if (ef == NULL) {
700: cvs_log(LP_ERR, "error handling `Removed' response");
701: if (type == CVS_RESP_RMENTRY)
702: return (-1);
703: } else {
704: (void)cvs_ent_remove(ef, file);
705: cvs_ent_close(ef);
706: }
707:
1.29 joris 708: if ((type == CVS_RESP_REMOVED) && (unlink(fpath) == -1)) {
709: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 710: return (-1);
1.10 jfb 711: }
1.1 jfb 712:
713: return (0);
714: }
715:
716:
717: /*
718: * cvs_resp_mode()
719: *
720: * Handler for the `Mode' response.
721: */
722: static int
723: cvs_resp_mode(struct cvsroot *root, int type, char *line)
724: {
725: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 726: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 727: return (-1);
728: }
729: return (0);
730: }
731:
732:
733: /*
734: * cvs_resp_modxpand()
735: *
736: * Handler for the `Module-expansion' response.
737: */
738: static int
739: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
740: {
741: return (0);
742: }
743:
744: /*
745: * cvs_resp_rcsdiff()
746: *
747: * Handler for the `Rcs-diff' response.
748: */
749: static int
750: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
751: {
1.24 jfb 752: int len;
1.1 jfb 753: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
754: char *fname, *orig, *patch;
755: mode_t fmode;
756: BUF *res, *fcont, *patchbuf;
757: CVSENTRIES *entf;
758: struct cvs_ent *ent;
759:
760: /* get remote path and build local path of file to be patched */
761: cvs_getln(root, buf, sizeof(buf));
762: fname = strrchr(buf, '/');
763: if (fname == NULL)
764: fname = buf;
1.24 jfb 765: len = snprintf(file, sizeof(file), "%s%s", line, fname);
766: if (len == -1 || len >= (int)sizeof(file)) {
767: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
768: return (-1);
769: }
1.1 jfb 770:
771: /* get updated entry fields */
772: cvs_getln(root, buf, sizeof(buf));
773: ent = cvs_ent_parse(buf);
1.13 tedu 774: if (ent == NULL)
1.1 jfb 775: return (-1);
776:
777: patchbuf = cvs_recvfile(root, &fmode);
778: fcont = cvs_buf_load(file, BUF_AUTOEXT);
779: if (fcont == NULL)
780: return (-1);
781:
782: cvs_buf_putc(patchbuf, '\0');
783: cvs_buf_putc(fcont, '\0');
784: orig = cvs_buf_release(fcont);
785: patch = cvs_buf_release(patchbuf);
786:
787: res = rcs_patch(orig, patch);
788: if (res == NULL)
789: return (-1);
790:
791: cvs_buf_write(res, file, fmode);
792:
793: /* now see if there is a checksum */
794: if (cvs_fcksum != NULL) {
795: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
796: }
797:
798: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
799: cvs_log(LP_ERR, "checksum error on received file");
800: (void)unlink(file);
801: }
802:
803: free(cvs_fcksum);
804: cvs_fcksum = NULL;
805: }
806:
807: /* update revision in entries */
808: entf = cvs_ent_open(line, O_WRONLY);
809: if (entf == NULL)
810: return (-1);
811:
812: cvs_ent_close(entf);
813:
814: return (0);
815: }
816:
817:
818: /*
819: * cvs_resp_template()
820: *
821: * Handler for the `Template' response.
822: */
823: static int
824: cvs_resp_template(struct cvsroot *root, int type, char *line)
825: {
826: mode_t mode;
827: BUF *tmpl;
828:
829: tmpl = cvs_recvfile(root, &mode);
830: if (tmpl == NULL)
831: return (-1);
832:
833: return (0);
834: }
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