Annotation of src/usr.bin/cvs/resp.c, Revision 1.46
1.46 ! joris 1: /* $OpenBSD: resp.c,v 1.45 2005/07/14 07:38:35 xsa 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:
1.41 xsa 32: #include <dirent.h>
33: #include <errno.h>
1.1 jfb 34: #include <fcntl.h>
1.41 xsa 35: #include <libgen.h>
1.1 jfb 36: #include <stdio.h>
37: #include <stdlib.h>
1.41 xsa 38: #include <string.h>
1.1 jfb 39: #include <unistd.h>
40:
41: #include "buf.h"
42: #include "cvs.h"
43: #include "log.h"
44: #include "proto.h"
45:
46:
47: #define CVS_MTSTK_MAXDEPTH 16
48:
49:
1.4 jfb 50: #define STRIP_SLASH(p) \
51: do { \
1.37 jfb 52: size_t _slen; \
53: _slen = strlen(p); \
54: while ((_slen > 0) && (p[_slen - 1] == '/')) \
55: p[--_slen] = '\0'; \
1.4 jfb 56: } while (0)
57:
58:
1.1 jfb 59: static int cvs_resp_validreq (struct cvsroot *, int, char *);
60: static int cvs_resp_cksum (struct cvsroot *, int, char *);
61: static int cvs_resp_modtime (struct cvsroot *, int, char *);
62: static int cvs_resp_m (struct cvsroot *, int, char *);
63: static int cvs_resp_ok (struct cvsroot *, int, char *);
64: static int cvs_resp_error (struct cvsroot *, int, char *);
65: static int cvs_resp_statdir (struct cvsroot *, int, char *);
66: static int cvs_resp_sticky (struct cvsroot *, int, char *);
67: static int cvs_resp_newentry (struct cvsroot *, int, char *);
68: static int cvs_resp_updated (struct cvsroot *, int, char *);
69: static int cvs_resp_removed (struct cvsroot *, int, char *);
70: static int cvs_resp_mode (struct cvsroot *, int, char *);
71: static int cvs_resp_modxpand (struct cvsroot *, int, char *);
72: static int cvs_resp_rcsdiff (struct cvsroot *, int, char *);
73: static int cvs_resp_template (struct cvsroot *, int, char *);
1.14 jfb 74: static int cvs_resp_copyfile (struct cvsroot *, int, char *);
1.1 jfb 75:
76:
77: struct cvs_resphdlr {
78: int (*hdlr)(struct cvsroot *, int, char *);
79: } cvs_resp_swtab[CVS_RESP_MAX + 1] = {
80: { NULL },
81: { cvs_resp_ok },
82: { cvs_resp_error },
83: { cvs_resp_validreq },
84: { cvs_resp_newentry },
85: { cvs_resp_newentry },
86: { cvs_resp_cksum },
1.14 jfb 87: { cvs_resp_copyfile },
1.1 jfb 88: { cvs_resp_updated },
89: { cvs_resp_updated },
90: { cvs_resp_updated }, /* 10 */
91: { cvs_resp_updated },
92: { cvs_resp_updated },
93: { cvs_resp_rcsdiff },
94: { cvs_resp_mode },
95: { cvs_resp_modtime },
96: { cvs_resp_removed },
97: { cvs_resp_removed },
98: { cvs_resp_statdir },
99: { cvs_resp_statdir },
100: { cvs_resp_sticky }, /* 20 */
101: { cvs_resp_sticky },
102: { cvs_resp_template },
103: { NULL },
104: { NULL },
105: { NULL },
106: { cvs_resp_modxpand },
107: { NULL },
108: { cvs_resp_m },
109: { cvs_resp_m },
110: { cvs_resp_m }, /* 30 */
111: { cvs_resp_m },
112: { cvs_resp_m },
113: };
114:
1.42 joris 115: /*
116: * Instead of opening and closing the Entry file all the time,
117: * which caused a huge CPU load and slowed down everything,
118: * we keep the Entry file for the directory we are working in
119: * open until we encounter a new directory.
120: */
121: static char cvs_resp_lastdir[MAXPATHLEN] = "";
122: static CVSENTRIES *cvs_resp_lastent = NULL;
123: static int resp_check_dir(const char *);
1.1 jfb 124:
125: /*
126: * The MT command uses scoping to tag the data. Whenever we encouter a '+',
127: * we push the name of the tag on the stack, and we pop it when we encounter
128: * a '-' with the same name.
129: */
130:
131: static char *cvs_mt_stack[CVS_MTSTK_MAXDEPTH];
132: static u_int cvs_mtstk_depth = 0;
133:
1.12 jfb 134: static time_t cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 135:
136:
137: /* last checksum received */
138: char *cvs_fcksum = NULL;
139:
140: mode_t cvs_lastmode = 0;
141:
142: /* hack to receive the remote version without outputting it */
143: extern u_int cvs_version_sent;
144:
145:
146: /*
147: * cvs_resp_handle()
148: *
149: * Generic response handler dispatcher. The handler expects the first line
150: * of the command as single argument.
151: * Returns the return value of the command on success, or -1 on failure.
152: */
153: int
154: cvs_resp_handle(struct cvsroot *root, char *line)
155: {
1.15 jfb 156: int ret;
1.1 jfb 157: char *cp, *cmd;
158: struct cvs_resp *resp;
159:
160: cmd = line;
161:
162: cp = strchr(cmd, ' ');
163: if (cp != NULL)
164: *(cp++) = '\0';
165:
166: resp = cvs_resp_getbyname(cmd);
167: if (resp == NULL) {
168: return (-1);
1.11 deraadt 169: } else if (cvs_resp_swtab[resp->resp_id].hdlr == NULL) {
1.20 jfb 170: cvs_log(LP_ERR, "handler for `%s' not implemented", cmd);
1.1 jfb 171: return (-1);
172: }
173:
1.15 jfb 174: ret = (*cvs_resp_swtab[resp->resp_id].hdlr)(root, resp->resp_id, cp);
175:
176: if (ret == -1)
177: cvs_log(LP_ERR, "error in handling of `%s' response", cmd);
178:
179: return (ret);
1.1 jfb 180: }
181:
182:
183: /*
184: * cvs_resp_validreq()
185: *
186: * Handler for the `Valid-requests' response. The list of valid requests is
187: * split on spaces and each request's entry in the valid request array is set
188: * to 1 to indicate the validity.
189: * Returns 0 on success, or -1 on failure.
190: */
191: static int
192: cvs_resp_validreq(struct cvsroot *root, int type, char *line)
193: {
194: char *sp, *ep;
195: struct cvs_req *req;
196:
197: /* parse the requests */
198: sp = line;
199: do {
200: ep = strchr(sp, ' ');
201: if (ep != NULL)
202: *ep = '\0';
203:
204: req = cvs_req_getbyname(sp);
205: if (req != NULL)
206: CVS_SETVR(root, req->req_id);
207:
208: if (ep != NULL)
209: sp = ep + 1;
210: } while (ep != NULL);
211:
212: return (0);
213: }
214:
215:
216: /*
217: * cvs_resp_m()
218: *
219: * Handler for the `M', 'MT', `F' and `E' responses.
220: */
221: static int
222: cvs_resp_m(struct cvsroot *root, int type, char *line)
223: {
224: char *cp;
225: FILE *stream;
226:
227: stream = NULL;
228:
229: switch (type) {
230: case CVS_RESP_F:
231: fflush(stderr);
232: return (0);
233: case CVS_RESP_M:
234: if (cvs_version_sent) {
235: /*
236: * Instead of outputting the line, we save it as the
237: * remote server's version string.
238: */
239: cvs_version_sent = 0;
240: root->cr_version = strdup(line);
241: return (0);
242: }
243: stream = stdout;
244: break;
245: case CVS_RESP_E:
246: stream = stderr;
247: break;
248: case CVS_RESP_MT:
249: if (*line == '+') {
250: if (cvs_mtstk_depth == CVS_MTSTK_MAXDEPTH) {
251: cvs_log(LP_ERR,
252: "MT scope stack has reached max depth");
253: return (-1);
254: }
255: cvs_mt_stack[cvs_mtstk_depth] = strdup(line + 1);
256: if (cvs_mt_stack[cvs_mtstk_depth] == NULL)
257: return (-1);
258: cvs_mtstk_depth++;
1.11 deraadt 259: } else if (*line == '-') {
1.1 jfb 260: if (cvs_mtstk_depth == 0) {
261: cvs_log(LP_ERR, "MT scope stack underflow");
262: return (-1);
1.11 deraadt 263: } else if (strcmp(line + 1,
1.1 jfb 264: cvs_mt_stack[cvs_mtstk_depth - 1]) != 0) {
265: cvs_log(LP_ERR, "mismatch in MT scope stack");
266: return (-1);
267: }
268: free(cvs_mt_stack[cvs_mtstk_depth--]);
1.11 deraadt 269: } else {
1.1 jfb 270: if (strcmp(line, "newline") == 0)
271: putc('\n', stdout);
272: else if (strncmp(line, "fname ", 6) == 0)
273: printf("%s", line + 6);
274: else {
275: /* assume text */
276: cp = strchr(line, ' ');
277: if (cp != NULL)
278: printf("%s", cp + 1);
279: }
280: }
281:
282: return (0);
283: case CVS_RESP_MBINARY:
284: cvs_log(LP_WARN, "Mbinary not supported in client yet");
285: break;
286: }
287:
288: fputs(line, stream);
289: fputc('\n', stream);
290:
291: return (0);
292: }
293:
294:
295: /*
296: * cvs_resp_ok()
297: *
1.13 tedu 298: * Handler for the `ok' response. This handler's job is to
1.1 jfb 299: */
300: static int
301: cvs_resp_ok(struct cvsroot *root, int type, char *line)
302: {
1.42 joris 303: /*
304: * If we still have an Entry file open, close it now.
305: */
306: if (cvs_resp_lastent != NULL)
307: cvs_ent_close(cvs_resp_lastent);
1.13 tedu 308:
1.1 jfb 309: return (1);
310: }
311:
312:
313: /*
314: * cvs_resp_error()
315: *
1.13 tedu 316: * Handler for the `error' response. This handler's job is to
1.31 joris 317: * show the error message given by the server.
1.1 jfb 318: */
319: static int
320: cvs_resp_error(struct cvsroot *root, int type, char *line)
321: {
1.33 joris 322: if (line == NULL)
323: return (1);
1.31 joris 324:
325: /* XXX - GNU cvs sends an empty error message
326: * at the end of the diff command, even for successfull
327: * diff.
328: */
329: if ((strlen(line) == 1) && (*line == ' '))
330: return (1);
1.13 tedu 331:
1.7 jfb 332: fprintf(stderr, "%s\n", line);
1.1 jfb 333: return (1);
334: }
335:
336:
337: /*
338: * cvs_resp_statdir()
339: *
340: * Handler for the `Clear-static-directory' and `Set-static-directory'
341: * responses.
342: */
343: static int
344: cvs_resp_statdir(struct cvsroot *root, int type, char *line)
345: {
1.24 jfb 346: int fd, len;
1.1 jfb 347: char rpath[MAXPATHLEN], statpath[MAXPATHLEN];
1.36 jfb 348: struct stat dst;
1.1 jfb 349:
1.3 jfb 350: /* remote directory line */
351: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
352: return (-1);
1.1 jfb 353:
1.36 jfb 354: STRIP_SLASH(line);
355:
356: /* if the directory doesn't exist, first create it */
357: if ((stat(line, &dst) == -1) && (errno == ENOENT)) {
1.38 joris 358: if ((mkdir(line, 0755) == -1) && (errno != ENOENT)) {
1.36 jfb 359: cvs_log(LP_ERRNO, "failed to create %s", line);
360: return (-1);
361: }
362: }
363:
1.24 jfb 364: len = snprintf(statpath, sizeof(statpath), "%s/%s", line,
1.1 jfb 365: CVS_PATH_STATICENTRIES);
1.24 jfb 366: if (len == -1 || len >= (int)sizeof(statpath)) {
367: cvs_log(LP_ERR,
368: "path overflow for Entries.static specification");
369: return (-1);
370: }
1.1 jfb 371:
1.35 xsa 372: if (!cvs_noexec) {
373: if ((type == CVS_RESP_CLRSTATDIR) &&
374: (unlink(statpath) == -1) && (errno != ENOENT)) {
375: cvs_log(LP_ERRNO, "failed to unlink %s file",
376: CVS_PATH_STATICENTRIES);
1.1 jfb 377: return (-1);
1.35 xsa 378: } else if (type == CVS_RESP_SETSTATDIR) {
1.40 joris 379: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0644);
1.35 xsa 380: if (fd == -1) {
381: cvs_log(LP_ERRNO,
382: "failed to set static directory on %s",
383: line);
384: return (-1);
385: }
386: (void)close(fd);
387:
1.1 jfb 388: }
389: }
390:
391: return (0);
392: }
393:
394: /*
395: * cvs_resp_sticky()
396: *
1.4 jfb 397: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
398: * specified directory doesn't exist, we create it and attach it to the
399: * global file structure.
1.1 jfb 400: */
401: static int
402: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
403: {
1.5 jfb 404: char buf[MAXPATHLEN], subdir[MAXPATHLEN], *file;
405: struct cvs_ent *ent;
1.4 jfb 406: CVSFILE *cf, *sdir;
1.21 jfb 407: CVSENTRIES *entf;
1.4 jfb 408:
409: /* get the remote path */
1.5 jfb 410: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 411: return (-1);
1.1 jfb 412:
1.4 jfb 413: STRIP_SLASH(line);
1.36 jfb 414:
1.4 jfb 415: cvs_splitpath(line, subdir, sizeof(subdir), &file);
416: sdir = cvs_file_find(cvs_files, subdir);
417: if (sdir == NULL) {
418: cvs_log(LP_ERR, "failed to find %s", subdir);
419: return (-1);
420: }
1.1 jfb 421:
1.4 jfb 422: cf = cvs_file_find(sdir, file);
423: if (cf == NULL) {
1.1 jfb 424: /* attempt to create it */
1.8 jfb 425: cf = cvs_file_create(sdir, line, DT_DIR, 0755);
1.38 joris 426: if (cf == NULL) {
1.4 jfb 427: return (-1);
1.38 joris 428: }
1.28 jfb 429: cf->cf_repo = strdup(line);
430: if (cf->cf_repo == NULL) {
1.19 jfb 431: cvs_log(LP_ERRNO, "failed to duplicate `%s'", line);
432: cvs_file_free(cf);
433: return (-1);
434: }
1.28 jfb 435: cf->cf_root = root;
1.4 jfb 436: root->cr_ref++;
1.1 jfb 437:
1.22 joris 438: if (cvs_file_attach(sdir, cf) < 0) {
439: cvs_file_free(cf);
440: return (-1);
441: }
1.5 jfb 442:
1.44 joris 443: /*
444: * If the Entries file for the parent is already
445: * open, operate on that, instead of reopening it
446: * and invalidating the opened list.
447: */
448: if (!strcmp(subdir, cvs_resp_lastdir))
449: entf = cvs_resp_lastent;
450: else
451: entf = cvs_ent_open(subdir, O_WRONLY);
452:
1.5 jfb 453: /* add a directory entry to the parent */
1.44 joris 454: if (entf != NULL) {
1.46 ! joris 455: if ((ent = cvs_ent_get(entf, cf->cf_name)) == NULL) {
1.40 joris 456: snprintf(buf, sizeof(buf), "D/%s////",
1.46 ! joris 457: cf->cf_name);
1.40 joris 458: ent = cvs_ent_parse(buf);
459: if (ent == NULL)
460: cvs_log(LP_ERR,
461: "failed to create directory entry");
462: else
463: cvs_ent_add(entf, ent);
464: }
1.44 joris 465:
466: if (strcmp(subdir, cvs_resp_lastdir))
467: cvs_ent_close(entf);
1.5 jfb 468: }
1.1 jfb 469: }
470:
1.4 jfb 471: if (type == CVS_RESP_CLRSTICKY)
1.28 jfb 472: cf->cf_flags &= ~CVS_DIRF_STICKY;
1.4 jfb 473: else if (type == CVS_RESP_SETSTICKY)
1.28 jfb 474: cf->cf_flags |= CVS_DIRF_STICKY;
1.1 jfb 475:
476: return (0);
477: }
478:
479:
480: /*
481: * cvs_resp_newentry()
482: *
483: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 484: * In the case of `New-entry', we expect the entry line
1.1 jfb 485: */
486: static int
487: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
488: {
489: char entbuf[128];
1.9 jfb 490: struct cvs_ent *ent;
1.1 jfb 491:
492: /* get the remote path */
1.43 joris 493: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
494: return (-1);
1.1 jfb 495:
496: /* get the new Entries line */
497: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
498: return (-1);
499:
1.42 joris 500: if (resp_check_dir(line) < 0)
1.1 jfb 501: return (-1);
1.42 joris 502:
1.9 jfb 503: if (type == CVS_RESP_NEWENTRY) {
1.42 joris 504: cvs_ent_addln(cvs_resp_lastent, entbuf);
1.11 deraadt 505: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 506: ent = cvs_ent_parse(entbuf);
507: if (ent == NULL) {
508: cvs_log(LP_ERR, "failed to parse entry");
509: return (-1);
510: }
511:
512: /* timestamp it to now */
513: ent->ce_mtime = time(&(ent->ce_mtime));
514:
515: /* replace the current entry with the one we just received */
1.42 joris 516: (void)cvs_ent_remove(cvs_resp_lastent, ent->ce_name);
1.9 jfb 517:
1.42 joris 518: cvs_ent_add(cvs_resp_lastent, ent);
1.9 jfb 519: }
1.1 jfb 520:
521: return (0);
522: }
523:
524:
525: /*
526: * cvs_resp_cksum()
527: *
528: * Handler for the `Checksum' response. We store the checksum received for
529: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
530: * Upon next file reception, the handler checks to see if there is a stored
531: * checksum.
532: * The file handler must make sure that the checksums match and free the
533: * checksum buffer once it's done to indicate there is no further checksum.
534: */
535: static int
536: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
537: {
538: if (cvs_fcksum != NULL) {
539: cvs_log(LP_WARN, "unused checksum");
540: free(cvs_fcksum);
541: }
542:
543: cvs_fcksum = strdup(line);
544: if (cvs_fcksum == NULL) {
545: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 546: return (-1);
547: }
548:
549: return (0);
550: }
551:
552:
553: /*
554: * cvs_resp_copyfile()
555: *
556: * Handler for the `Copy-file' response, which is used to copy the contents
557: * of a file to another file for which the name is provided. The CVS protocol
558: * documentation states that this response is only used prior to a `Merged'
559: * response to create a backup of the file.
560: */
561: static int
562: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
563: {
1.24 jfb 564: int len;
1.16 jfb 565: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 566:
1.16 jfb 567: /* read the remote path of the file to copy and its new name */
568: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
569: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 570: return (-1);
571:
1.16 jfb 572: if ((file = basename(path)) == NULL) {
573: cvs_log(LP_ERR, "no base file name in Copy-file path");
574: return (-1);
575: }
576:
1.24 jfb 577: len = snprintf(path, sizeof(path), "%s%s", line, file);
578: if (len == -1 || len >= (int)sizeof(path)) {
579: cvs_log(LP_ERR, "source path overflow in Copy-file response");
580: return (-1);
581: }
582: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
583: if (len == -1 || len >= (int)sizeof(path)) {
584: cvs_log(LP_ERR,
585: "destination path overflow in Copy-file response");
586: return (-1);
587: }
1.16 jfb 588:
589: if (rename(path, newpath) == -1) {
1.27 xsa 590: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 591: return (-1);
592: }
593:
594: return (0);
595: }
596:
597:
598: /*
599: * cvs_resp_modtime()
600: *
601: * Handler for the `Mod-time' file update modifying response. The timestamp
602: * given is used to set the last modification time on the next file that
603: * will be received.
604: */
605: static int
606: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
607: {
1.34 jfb 608: cvs_modtime = cvs_date_parse(line);
1.1 jfb 609: return (0);
610: }
611:
612:
613: /*
614: * cvs_resp_updated()
615: *
1.4 jfb 616: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
617: * `Patched' responses, which all have a very similar format.
1.1 jfb 618: */
619: static int
620: cvs_resp_updated(struct cvsroot *root, int type, char *line)
621: {
1.17 jfb 622: int ret;
1.1 jfb 623: mode_t fmode;
1.4 jfb 624: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 625: BUF *fbuf;
1.45 xsa 626: struct cvs_ent *ent;
1.2 jfb 627: struct timeval tv[2];
1.1 jfb 628:
1.4 jfb 629: STRIP_SLASH(line);
630:
1.1 jfb 631: /* read the remote path of the file */
1.4 jfb 632: if (cvs_getln(root, path, sizeof(path)) < 0)
633: return (-1);
1.1 jfb 634:
635: /* read the new entry */
1.4 jfb 636: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 637: return (-1);
1.4 jfb 638:
1.45 xsa 639: if ((ent = cvs_ent_parse(path)) == NULL)
1.4 jfb 640: return (-1);
1.45 xsa 641: ret = snprintf(path, sizeof(path), "%s/%s", line, ent->ce_name);
1.24 jfb 642: if (ret == -1 || ret >= (int)sizeof(path)) {
643: cvs_log(LP_ERR, "Entries path overflow in response");
644: return (-1);
645: }
1.25 joris 646: ret = 0;
1.1 jfb 647:
1.42 joris 648: if (resp_check_dir(line) < 0)
1.12 jfb 649: return (-1);
650:
1.15 jfb 651: if (cvs_modtime != CVS_DATE_DMSEC) {
1.45 xsa 652: ent->ce_mtime = cvs_modtime;
1.15 jfb 653: } else
1.45 xsa 654: ent->ce_mtime = time(&(ent->ce_mtime));
1.15 jfb 655:
656: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 657: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.45 xsa 658: if ((cvs_ent_remove(cvs_resp_lastent, ent->ce_name) < 0) &&
1.30 joris 659: (type != CVS_RESP_CREATED)) {
660: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.45 xsa 661: ent->ce_name);
1.30 joris 662: }
1.15 jfb 663: }
1.12 jfb 664:
1.45 xsa 665: if (cvs_ent_add(cvs_resp_lastent, ent) < 0) {
666: cvs_ent_free(ent);
1.15 jfb 667: return (-1);
1.1 jfb 668: }
1.15 jfb 669:
1.17 jfb 670: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
671: return (-1);
672: if (cvs_buf_write(fbuf, path, fmode) < 0) {
673: cvs_buf_free(fbuf);
1.1 jfb 674: return (-1);
1.17 jfb 675: }
676: cvs_buf_free(fbuf);
1.2 jfb 677:
1.12 jfb 678: if (cvs_modtime != CVS_DATE_DMSEC) {
679: tv[0].tv_sec = (long)cvs_modtime;
680: tv[0].tv_usec = 0;
681: tv[1].tv_sec = (long)cvs_modtime;
682: tv[1].tv_usec = 0;
683: if (utimes(path, tv) == -1)
684: cvs_log(LP_ERRNO, "failed to set file timestamps");
685: }
1.34 jfb 686:
687: /* invalidate last received timestamp */
688: cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 689:
690: /* now see if there is a checksum */
691: if (cvs_fcksum != NULL) {
1.17 jfb 692: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
693: ret = -1;
694: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 695: cvs_log(LP_ERR, "checksum error on received file");
696: (void)unlink(line);
1.17 jfb 697: ret = -1;
1.1 jfb 698: }
699:
700: free(cvs_fcksum);
701: cvs_fcksum = NULL;
702: }
703:
1.17 jfb 704: return (ret);
1.1 jfb 705: }
706:
707:
708: /*
709: * cvs_resp_removed()
710: *
1.10 jfb 711: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
712: * response is received when both a file and its entry need to be removed from
713: * the local copy. The `Remove-entry' is received in cases where the file is
714: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 715: */
716: static int
717: cvs_resp_removed(struct cvsroot *root, int type, char *line)
718: {
1.29 joris 719: int l;
720: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 721:
1.29 joris 722: if (cvs_getln(root, buf, sizeof(buf)) < 0)
723: return (-1);
724:
725: cvs_splitpath(buf, base, sizeof(base), &file);
726: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
727: if (l == -1 || l >= (int)sizeof(fpath)) {
728: errno = ENAMETOOLONG;
729: cvs_log(LP_ERRNO, "%s", fpath);
730: return (-1);
731: }
732:
1.42 joris 733: if (resp_check_dir(line) < 0)
734: return (-1);
1.10 jfb 735:
1.42 joris 736: (void)cvs_ent_remove(cvs_resp_lastent, file);
1.32 joris 737: if ((type == CVS_RESP_REMOVED) && ((unlink(fpath) == -1) &&
738: errno != ENOENT)) {
1.29 joris 739: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 740: return (-1);
1.10 jfb 741: }
1.1 jfb 742:
743: return (0);
744: }
745:
746:
747: /*
748: * cvs_resp_mode()
749: *
750: * Handler for the `Mode' response.
751: */
752: static int
753: cvs_resp_mode(struct cvsroot *root, int type, char *line)
754: {
755: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 756: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 757: return (-1);
758: }
759: return (0);
760: }
761:
762:
763: /*
764: * cvs_resp_modxpand()
765: *
766: * Handler for the `Module-expansion' response.
767: */
768: static int
769: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
770: {
771: return (0);
772: }
773:
774: /*
775: * cvs_resp_rcsdiff()
776: *
777: * Handler for the `Rcs-diff' response.
778: */
779: static int
780: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
781: {
1.24 jfb 782: int len;
1.1 jfb 783: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
784: char *fname, *orig, *patch;
785: mode_t fmode;
786: BUF *res, *fcont, *patchbuf;
787: CVSENTRIES *entf;
788: struct cvs_ent *ent;
789:
790: /* get remote path and build local path of file to be patched */
1.43 joris 791: if (cvs_getln(root, buf, sizeof(buf)) < 0)
792: return (-1);
793:
1.1 jfb 794: fname = strrchr(buf, '/');
795: if (fname == NULL)
796: fname = buf;
1.24 jfb 797: len = snprintf(file, sizeof(file), "%s%s", line, fname);
798: if (len == -1 || len >= (int)sizeof(file)) {
799: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
800: return (-1);
801: }
1.1 jfb 802:
803: /* get updated entry fields */
1.43 joris 804: if (cvs_getln(root, buf, sizeof(buf)) < 0)
805: return (-1);
806:
1.1 jfb 807: ent = cvs_ent_parse(buf);
1.13 tedu 808: if (ent == NULL)
1.1 jfb 809: return (-1);
810:
811: patchbuf = cvs_recvfile(root, &fmode);
812: fcont = cvs_buf_load(file, BUF_AUTOEXT);
813: if (fcont == NULL)
814: return (-1);
815:
816: cvs_buf_putc(patchbuf, '\0');
817: cvs_buf_putc(fcont, '\0');
818: orig = cvs_buf_release(fcont);
819: patch = cvs_buf_release(patchbuf);
820:
821: res = rcs_patch(orig, patch);
822: if (res == NULL)
823: return (-1);
824:
825: cvs_buf_write(res, file, fmode);
826:
827: /* now see if there is a checksum */
828: if (cvs_fcksum != NULL) {
829: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
830: }
831:
832: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
833: cvs_log(LP_ERR, "checksum error on received file");
834: (void)unlink(file);
835: }
836:
837: free(cvs_fcksum);
838: cvs_fcksum = NULL;
839: }
840:
841: /* update revision in entries */
842: entf = cvs_ent_open(line, O_WRONLY);
843: if (entf == NULL)
844: return (-1);
845:
846: cvs_ent_close(entf);
847:
848: return (0);
849: }
850:
851:
852: /*
853: * cvs_resp_template()
854: *
855: * Handler for the `Template' response.
856: */
857: static int
858: cvs_resp_template(struct cvsroot *root, int type, char *line)
859: {
860: mode_t mode;
861: BUF *tmpl;
862:
863: tmpl = cvs_recvfile(root, &mode);
864: if (tmpl == NULL)
865: return (-1);
1.42 joris 866:
867: return (0);
868: }
869:
870: /*
871: * Check if <dir> is the same as the last
872: * received directory, if it's not, switch Entry files.
873: */
874: static int
875: resp_check_dir(const char *dir)
876: {
877: size_t len;
878:
879: if (strcmp(dir, cvs_resp_lastdir)) {
880: if (cvs_resp_lastent != NULL)
881: cvs_ent_close(cvs_resp_lastent);
882: cvs_resp_lastent = cvs_ent_open(dir, O_WRONLY);
883: if (cvs_resp_lastent == NULL)
884: return (-1);
885:
886: len = strlcpy(cvs_resp_lastdir, dir, sizeof(cvs_resp_lastdir));
887: if (len >= sizeof(cvs_resp_lastdir)) {
888: errno = ENAMETOOLONG;
889: cvs_log(LP_ERRNO, "%s", cvs_resp_lastdir);
890: return (-1);
891: }
892: } else {
893: /* make sure the old one is still open */
894: if (cvs_resp_lastent == NULL) {
895: cvs_resp_lastent = cvs_ent_open(cvs_resp_lastdir,
896: O_WRONLY);
897: if (cvs_resp_lastent == NULL)
898: return (-1);
899: }
900: }
1.1 jfb 901:
902: return (0);
903: }
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