Annotation of src/usr.bin/cvs/resp.c, Revision 1.35
1.35 ! xsa 1: /* $OpenBSD: resp.c,v 1.34 2005/05/19 04:17:24 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
1.31 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: {
1.33 joris 310: if (line == NULL)
311: return (1);
1.31 joris 312:
313: /* XXX - GNU cvs sends an empty error message
314: * at the end of the diff command, even for successfull
315: * diff.
316: */
317: if ((strlen(line) == 1) && (*line == ' '))
318: return (1);
1.13 tedu 319:
1.7 jfb 320: fprintf(stderr, "%s\n", line);
1.1 jfb 321: return (1);
322: }
323:
324:
325: /*
326: * cvs_resp_statdir()
327: *
328: * Handler for the `Clear-static-directory' and `Set-static-directory'
329: * responses.
330: */
331: static int
332: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
333: {
1.24 jfb 334: int fd, len;
1.1 jfb 335: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
336:
1.3 jfb 337: /* remote directory line */
338: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
339: return (-1);
1.1 jfb 340:
1.24 jfb 341: len = snprintf(statpath, sizeof(statpath), "%s/%s", line,
1.1 jfb 342: CVS_PATH_STATICENTRIES);
1.24 jfb 343: if (len == -1 || len >= (int)sizeof(statpath)) {
344: cvs_log(LP_ERR,
345: "path overflow for Entries.static specification");
346: return (-1);
347: }
1.1 jfb 348:
1.35 ! xsa 349: if (!cvs_noexec) {
! 350: if ((type == CVS_RESP_CLRSTATDIR) &&
! 351: (unlink(statpath) == -1) && (errno != ENOENT)) {
! 352: cvs_log(LP_ERRNO, "failed to unlink %s file",
! 353: CVS_PATH_STATICENTRIES);
1.1 jfb 354: return (-1);
1.35 ! xsa 355: } else if (type == CVS_RESP_SETSTATDIR) {
! 356: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0400);
! 357: if (fd == -1) {
! 358: cvs_log(LP_ERRNO,
! 359: "failed to set static directory on %s",
! 360: line);
! 361: return (-1);
! 362: }
! 363: (void)close(fd);
! 364:
1.1 jfb 365: }
366: }
367:
368: return (0);
369: }
370:
371: /*
372: * cvs_resp_sticky()
373: *
1.4 jfb 374: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
375: * specified directory doesn't exist, we create it and attach it to the
376: * global file structure.
1.1 jfb 377: */
378: static int
379: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
380: {
1.5 jfb 381: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
382: struct cvs_ent *ent;
1.4 jfb 383: CVSFILE *cf, *sdir;
1.21 jfb 384: CVSENTRIES *entf;
1.4 jfb 385:
386: /* get the remote path */
1.5 jfb 387: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 388: return (-1);
1.1 jfb 389:
1.4 jfb 390: STRIP_SLASH(line);
1.1 jfb 391:
1.4 jfb 392: cvs_splitpath(line, subdir, sizeof(subdir), &file);
393: sdir = cvs_file_find(cvs_files, subdir);
394: if (sdir == NULL) {
395: cvs_log(LP_ERR, "failed to find %s", subdir);
396: return (-1);
397: }
1.1 jfb 398:
1.4 jfb 399: cf = cvs_file_find(sdir, file);
400: if (cf == NULL) {
1.1 jfb 401: /* attempt to create it */
1.8 jfb 402: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.4 jfb 403: if (cf == NULL)
404: return (-1);
1.28 jfb 405: cf->cf_repo = strdup(line);
406: if (cf->cf_repo == NULL) {
1.19 jfb 407: cvs_log(LP_ERRNO, "failed to duplicate `%s'", line);
408: cvs_file_free(cf);
409: return (-1);
410: }
1.28 jfb 411: cf->cf_root = root;
1.4 jfb 412: root->cr_ref++;
1.1 jfb 413:
1.22 joris 414: if (cvs_file_attach(sdir, cf) < 0) {
415: cvs_file_free(cf);
416: return (-1);
417: }
1.5 jfb 418:
419: /* add a directory entry to the parent */
1.21 jfb 420: if ((entf = cvs_ent_open(subdir, O_WRONLY)) != NULL) {
1.8 jfb 421: snprintf(buf, sizeof(buf), "D/%s////",
422: CVS_FILE_NAME(cf));
1.5 jfb 423: ent = cvs_ent_parse(buf);
424: if (ent == NULL)
425: cvs_log(LP_ERR,
426: "failed to create directory entry");
427: else
1.21 jfb 428: cvs_ent_add(entf, ent);
429: cvs_ent_close(entf);
1.5 jfb 430: }
1.1 jfb 431: }
432:
1.4 jfb 433: if (type == CVS_RESP_CLRSTICKY)
1.28 jfb 434: cf->cf_flags &= ~CVS_DIRF_STICKY;
1.4 jfb 435: else if (type == CVS_RESP_SETSTICKY)
1.28 jfb 436: cf->cf_flags |= CVS_DIRF_STICKY;
1.1 jfb 437:
438: return (0);
439: }
440:
441:
442: /*
443: * cvs_resp_newentry()
444: *
445: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 446: * In the case of `New-entry', we expect the entry line
1.1 jfb 447: */
448: static int
449: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
450: {
451: char entbuf[128];
1.9 jfb 452: struct cvs_ent *ent;
1.1 jfb 453: CVSENTRIES *entfile;
454:
455: /* get the remote path */
456: cvs_getln(root, entbuf, sizeof(entbuf));
457:
458: /* get the new Entries line */
459: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
460: return (-1);
461:
462: entfile = cvs_ent_open(line, O_WRONLY);
463: if (entfile == NULL)
464: return (-1);
1.9 jfb 465: if (type == CVS_RESP_NEWENTRY) {
466: cvs_ent_addln(entfile, entbuf);
1.11 deraadt 467: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 468: ent = cvs_ent_parse(entbuf);
469: if (ent == NULL) {
470: cvs_log(LP_ERR, "failed to parse entry");
471: cvs_ent_close(entfile);
472: return (-1);
473: }
474:
475: /* timestamp it to now */
476: ent->ce_mtime = time(&(ent->ce_mtime));
477:
478: /* replace the current entry with the one we just received */
1.26 xsa 479: (void)cvs_ent_remove(entfile, ent->ce_name);
1.9 jfb 480:
481: cvs_ent_add(entfile, ent);
482: }
1.1 jfb 483: cvs_ent_close(entfile);
484:
485: return (0);
486: }
487:
488:
489: /*
490: * cvs_resp_cksum()
491: *
492: * Handler for the `Checksum' response. We store the checksum received for
493: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
494: * Upon next file reception, the handler checks to see if there is a stored
495: * checksum.
496: * The file handler must make sure that the checksums match and free the
497: * checksum buffer once it's done to indicate there is no further checksum.
498: */
499: static int
500: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
501: {
502: if (cvs_fcksum != NULL) {
503: cvs_log(LP_WARN, "unused checksum");
504: free(cvs_fcksum);
505: }
506:
507: cvs_fcksum = strdup(line);
508: if (cvs_fcksum == NULL) {
509: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 510: return (-1);
511: }
512:
513: return (0);
514: }
515:
516:
517: /*
518: * cvs_resp_copyfile()
519: *
520: * Handler for the `Copy-file' response, which is used to copy the contents
521: * of a file to another file for which the name is provided. The CVS protocol
522: * documentation states that this response is only used prior to a `Merged'
523: * response to create a backup of the file.
524: */
525: static int
526: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
527: {
1.24 jfb 528: int len;
1.16 jfb 529: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 530:
1.16 jfb 531: /* read the remote path of the file to copy and its new name */
532: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
533: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 534: return (-1);
535:
1.16 jfb 536: if ((file = basename(path)) == NULL) {
537: cvs_log(LP_ERR, "no base file name in Copy-file path");
538: return (-1);
539: }
540:
1.24 jfb 541: len = snprintf(path, sizeof(path), "%s%s", line, file);
542: if (len == -1 || len >= (int)sizeof(path)) {
543: cvs_log(LP_ERR, "source path overflow in Copy-file response");
544: return (-1);
545: }
546: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
547: if (len == -1 || len >= (int)sizeof(path)) {
548: cvs_log(LP_ERR,
549: "destination path overflow in Copy-file response");
550: return (-1);
551: }
1.16 jfb 552:
553: if (rename(path, newpath) == -1) {
1.27 xsa 554: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 555: return (-1);
556: }
557:
558: return (0);
559: }
560:
561:
562: /*
563: * cvs_resp_modtime()
564: *
565: * Handler for the `Mod-time' file update modifying response. The timestamp
566: * given is used to set the last modification time on the next file that
567: * will be received.
568: */
569: static int
570: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
571: {
1.34 jfb 572: cvs_modtime = cvs_date_parse(line);
1.1 jfb 573: return (0);
574: }
575:
576:
577: /*
578: * cvs_resp_updated()
579: *
1.4 jfb 580: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
581: * `Patched' responses, which all have a very similar format.
1.1 jfb 582: */
583: static int
584: cvs_resp_updated(struct cvsroot *root, int type, char *line)
585: {
1.17 jfb 586: int ret;
1.1 jfb 587: mode_t fmode;
1.4 jfb 588: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 589: BUF *fbuf;
1.12 jfb 590: CVSENTRIES *entfile;
1.1 jfb 591: struct cvs_ent *ep;
1.2 jfb 592: struct timeval tv[2];
1.1 jfb 593:
1.4 jfb 594: STRIP_SLASH(line);
595:
1.1 jfb 596: /* read the remote path of the file */
1.4 jfb 597: if (cvs_getln(root, path, sizeof(path)) < 0)
598: return (-1);
1.1 jfb 599:
600: /* read the new entry */
1.4 jfb 601: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 602: return (-1);
1.4 jfb 603:
604: if ((ep = cvs_ent_parse(path)) == NULL)
605: return (-1);
1.24 jfb 606: ret = snprintf(path, sizeof(path), "%s/%s", line, ep->ce_name);
607: if (ret == -1 || ret >= (int)sizeof(path)) {
608: cvs_log(LP_ERR, "Entries path overflow in response");
609: return (-1);
610: }
1.25 joris 611: ret = 0;
1.1 jfb 612:
1.12 jfb 613: entfile = cvs_ent_open(line, O_WRONLY);
614: if (entfile == NULL) {
615: cvs_ent_free(ep);
616: return (-1);
617: }
618:
1.15 jfb 619: if (cvs_modtime != CVS_DATE_DMSEC) {
1.4 jfb 620: ep->ce_mtime = cvs_modtime;
1.15 jfb 621: } else
622: ep->ce_mtime = time(&(ep->ce_mtime));
623:
624: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 625: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.30 joris 626: if ((cvs_ent_remove(entfile, ep->ce_name) < 0) &&
627: (type != CVS_RESP_CREATED)) {
628: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.12 jfb 629: ep->ce_name);
1.30 joris 630: }
1.15 jfb 631: }
1.12 jfb 632:
1.15 jfb 633: if (cvs_ent_add(entfile, ep) < 0) {
634: cvs_ent_free(ep);
635: cvs_ent_close(entfile);
636: return (-1);
1.1 jfb 637: }
1.15 jfb 638:
639: cvs_ent_close(entfile);
1.1 jfb 640:
1.17 jfb 641: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
642: return (-1);
643: if (cvs_buf_write(fbuf, path, fmode) < 0) {
644: cvs_buf_free(fbuf);
1.1 jfb 645: return (-1);
1.17 jfb 646: }
647: cvs_buf_free(fbuf);
1.2 jfb 648:
1.12 jfb 649: if (cvs_modtime != CVS_DATE_DMSEC) {
650: tv[0].tv_sec = (long)cvs_modtime;
651: tv[0].tv_usec = 0;
652: tv[1].tv_sec = (long)cvs_modtime;
653: tv[1].tv_usec = 0;
654: if (utimes(path, tv) == -1)
655: cvs_log(LP_ERRNO, "failed to set file timestamps");
656: }
1.34 jfb 657:
658: /* invalidate last received timestamp */
659: cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 660:
661: /* now see if there is a checksum */
662: if (cvs_fcksum != NULL) {
1.17 jfb 663: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
664: ret = -1;
665: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 666: cvs_log(LP_ERR, "checksum error on received file");
667: (void)unlink(line);
1.17 jfb 668: ret = -1;
1.1 jfb 669: }
670:
671: free(cvs_fcksum);
672: cvs_fcksum = NULL;
673: }
674:
1.17 jfb 675: return (ret);
1.1 jfb 676: }
677:
678:
679: /*
680: * cvs_resp_removed()
681: *
1.10 jfb 682: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
683: * response is received when both a file and its entry need to be removed from
684: * the local copy. The `Remove-entry' is received in cases where the file is
685: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 686: */
687: static int
688: cvs_resp_removed(struct cvsroot *root, int type, char *line)
689: {
1.29 joris 690: int l;
691: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 692: CVSENTRIES *ef;
693:
1.29 joris 694: if (cvs_getln(root, buf, sizeof(buf)) < 0)
695: return (-1);
696:
697: cvs_splitpath(buf, base, sizeof(base), &file);
698: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
699: if (l == -1 || l >= (int)sizeof(fpath)) {
700: errno = ENAMETOOLONG;
701: cvs_log(LP_ERRNO, "%s", fpath);
702: return (-1);
703: }
704:
705: ef = cvs_ent_open(line, O_RDWR);
1.10 jfb 706: if (ef == NULL) {
707: cvs_log(LP_ERR, "error handling `Removed' response");
708: if (type == CVS_RESP_RMENTRY)
709: return (-1);
710: } else {
711: (void)cvs_ent_remove(ef, file);
712: cvs_ent_close(ef);
713: }
714:
1.32 joris 715: if ((type == CVS_RESP_REMOVED) && ((unlink(fpath) == -1) &&
716: errno != ENOENT)) {
1.29 joris 717: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 718: return (-1);
1.10 jfb 719: }
1.1 jfb 720:
721: return (0);
722: }
723:
724:
725: /*
726: * cvs_resp_mode()
727: *
728: * Handler for the `Mode' response.
729: */
730: static int
731: cvs_resp_mode(struct cvsroot *root, int type, char *line)
732: {
733: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 734: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 735: return (-1);
736: }
737: return (0);
738: }
739:
740:
741: /*
742: * cvs_resp_modxpand()
743: *
744: * Handler for the `Module-expansion' response.
745: */
746: static int
747: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
748: {
749: return (0);
750: }
751:
752: /*
753: * cvs_resp_rcsdiff()
754: *
755: * Handler for the `Rcs-diff' response.
756: */
757: static int
758: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
759: {
1.24 jfb 760: int len;
1.1 jfb 761: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
762: char *fname, *orig, *patch;
763: mode_t fmode;
764: BUF *res, *fcont, *patchbuf;
765: CVSENTRIES *entf;
766: struct cvs_ent *ent;
767:
768: /* get remote path and build local path of file to be patched */
769: cvs_getln(root, buf, sizeof(buf));
770: fname = strrchr(buf, '/');
771: if (fname == NULL)
772: fname = buf;
1.24 jfb 773: len = snprintf(file, sizeof(file), "%s%s", line, fname);
774: if (len == -1 || len >= (int)sizeof(file)) {
775: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
776: return (-1);
777: }
1.1 jfb 778:
779: /* get updated entry fields */
780: cvs_getln(root, buf, sizeof(buf));
781: ent = cvs_ent_parse(buf);
1.13 tedu 782: if (ent == NULL)
1.1 jfb 783: return (-1);
784:
785: patchbuf = cvs_recvfile(root, &fmode);
786: fcont = cvs_buf_load(file, BUF_AUTOEXT);
787: if (fcont == NULL)
788: return (-1);
789:
790: cvs_buf_putc(patchbuf, '\0');
791: cvs_buf_putc(fcont, '\0');
792: orig = cvs_buf_release(fcont);
793: patch = cvs_buf_release(patchbuf);
794:
795: res = rcs_patch(orig, patch);
796: if (res == NULL)
797: return (-1);
798:
799: cvs_buf_write(res, file, fmode);
800:
801: /* now see if there is a checksum */
802: if (cvs_fcksum != NULL) {
803: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
804: }
805:
806: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
807: cvs_log(LP_ERR, "checksum error on received file");
808: (void)unlink(file);
809: }
810:
811: free(cvs_fcksum);
812: cvs_fcksum = NULL;
813: }
814:
815: /* update revision in entries */
816: entf = cvs_ent_open(line, O_WRONLY);
817: if (entf == NULL)
818: return (-1);
819:
820: cvs_ent_close(entf);
821:
822: return (0);
823: }
824:
825:
826: /*
827: * cvs_resp_template()
828: *
829: * Handler for the `Template' response.
830: */
831: static int
832: cvs_resp_template(struct cvsroot *root, int type, char *line)
833: {
834: mode_t mode;
835: BUF *tmpl;
836:
837: tmpl = cvs_recvfile(root, &mode);
838: if (tmpl == NULL)
839: return (-1);
840:
841: return (0);
842: }
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