Annotation of src/usr.bin/cvs/resp.c, Revision 1.42
1.42 ! joris 1: /* $OpenBSD: resp.c,v 1.41 2005/05/31 08:58:48 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:
443: /* add a directory entry to the parent */
1.21 jfb 444: if ((entf = cvs_ent_open(subdir, O_WRONLY)) != NULL) {
1.40 joris 445: if ((ent = cvs_ent_get(entf, CVS_FILE_NAME(cf))) == NULL) {
446: snprintf(buf, sizeof(buf), "D/%s////",
447: CVS_FILE_NAME(cf));
448: ent = cvs_ent_parse(buf);
449: if (ent == NULL)
450: cvs_log(LP_ERR,
451: "failed to create directory entry");
452: else
453: cvs_ent_add(entf, ent);
454: }
1.21 jfb 455: cvs_ent_close(entf);
1.5 jfb 456: }
1.1 jfb 457: }
458:
1.4 jfb 459: if (type == CVS_RESP_CLRSTICKY)
1.28 jfb 460: cf->cf_flags &= ~CVS_DIRF_STICKY;
1.4 jfb 461: else if (type == CVS_RESP_SETSTICKY)
1.28 jfb 462: cf->cf_flags |= CVS_DIRF_STICKY;
1.1 jfb 463:
464: return (0);
465: }
466:
467:
468: /*
469: * cvs_resp_newentry()
470: *
471: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 472: * In the case of `New-entry', we expect the entry line
1.1 jfb 473: */
474: static int
475: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
476: {
477: char entbuf[128];
1.9 jfb 478: struct cvs_ent *ent;
1.1 jfb 479:
480: /* get the remote path */
481: cvs_getln(root, entbuf, sizeof(entbuf));
482:
483: /* get the new Entries line */
484: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
485: return (-1);
486:
1.42 ! joris 487: if (resp_check_dir(line) < 0)
1.1 jfb 488: return (-1);
1.42 ! joris 489:
1.9 jfb 490: if (type == CVS_RESP_NEWENTRY) {
1.42 ! joris 491: cvs_ent_addln(cvs_resp_lastent, entbuf);
1.11 deraadt 492: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 493: ent = cvs_ent_parse(entbuf);
494: if (ent == NULL) {
495: cvs_log(LP_ERR, "failed to parse entry");
496: return (-1);
497: }
498:
499: /* timestamp it to now */
500: ent->ce_mtime = time(&(ent->ce_mtime));
501:
502: /* replace the current entry with the one we just received */
1.42 ! joris 503: (void)cvs_ent_remove(cvs_resp_lastent, ent->ce_name);
1.9 jfb 504:
1.42 ! joris 505: cvs_ent_add(cvs_resp_lastent, ent);
1.9 jfb 506: }
1.1 jfb 507:
508: return (0);
509: }
510:
511:
512: /*
513: * cvs_resp_cksum()
514: *
515: * Handler for the `Checksum' response. We store the checksum received for
516: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
517: * Upon next file reception, the handler checks to see if there is a stored
518: * checksum.
519: * The file handler must make sure that the checksums match and free the
520: * checksum buffer once it's done to indicate there is no further checksum.
521: */
522: static int
523: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
524: {
525: if (cvs_fcksum != NULL) {
526: cvs_log(LP_WARN, "unused checksum");
527: free(cvs_fcksum);
528: }
529:
530: cvs_fcksum = strdup(line);
531: if (cvs_fcksum == NULL) {
532: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 533: return (-1);
534: }
535:
536: return (0);
537: }
538:
539:
540: /*
541: * cvs_resp_copyfile()
542: *
543: * Handler for the `Copy-file' response, which is used to copy the contents
544: * of a file to another file for which the name is provided. The CVS protocol
545: * documentation states that this response is only used prior to a `Merged'
546: * response to create a backup of the file.
547: */
548: static int
549: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
550: {
1.24 jfb 551: int len;
1.16 jfb 552: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 553:
1.16 jfb 554: /* read the remote path of the file to copy and its new name */
555: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
556: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 557: return (-1);
558:
1.16 jfb 559: if ((file = basename(path)) == NULL) {
560: cvs_log(LP_ERR, "no base file name in Copy-file path");
561: return (-1);
562: }
563:
1.24 jfb 564: len = snprintf(path, sizeof(path), "%s%s", line, file);
565: if (len == -1 || len >= (int)sizeof(path)) {
566: cvs_log(LP_ERR, "source path overflow in Copy-file response");
567: return (-1);
568: }
569: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
570: if (len == -1 || len >= (int)sizeof(path)) {
571: cvs_log(LP_ERR,
572: "destination path overflow in Copy-file response");
573: return (-1);
574: }
1.16 jfb 575:
576: if (rename(path, newpath) == -1) {
1.27 xsa 577: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 578: return (-1);
579: }
580:
581: return (0);
582: }
583:
584:
585: /*
586: * cvs_resp_modtime()
587: *
588: * Handler for the `Mod-time' file update modifying response. The timestamp
589: * given is used to set the last modification time on the next file that
590: * will be received.
591: */
592: static int
593: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
594: {
1.34 jfb 595: cvs_modtime = cvs_date_parse(line);
1.1 jfb 596: return (0);
597: }
598:
599:
600: /*
601: * cvs_resp_updated()
602: *
1.4 jfb 603: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
604: * `Patched' responses, which all have a very similar format.
1.1 jfb 605: */
606: static int
607: cvs_resp_updated(struct cvsroot *root, int type, char *line)
608: {
1.17 jfb 609: int ret;
1.1 jfb 610: mode_t fmode;
1.4 jfb 611: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 612: BUF *fbuf;
613: struct cvs_ent *ep;
1.2 jfb 614: struct timeval tv[2];
1.1 jfb 615:
1.4 jfb 616: STRIP_SLASH(line);
617:
1.1 jfb 618: /* read the remote path of the file */
1.4 jfb 619: if (cvs_getln(root, path, sizeof(path)) < 0)
620: return (-1);
1.1 jfb 621:
622: /* read the new entry */
1.4 jfb 623: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 624: return (-1);
1.4 jfb 625:
626: if ((ep = cvs_ent_parse(path)) == NULL)
627: return (-1);
1.24 jfb 628: ret = snprintf(path, sizeof(path), "%s/%s", line, ep->ce_name);
629: if (ret == -1 || ret >= (int)sizeof(path)) {
630: cvs_log(LP_ERR, "Entries path overflow in response");
631: return (-1);
632: }
1.25 joris 633: ret = 0;
1.1 jfb 634:
1.42 ! joris 635: if (resp_check_dir(line) < 0)
1.12 jfb 636: return (-1);
637:
1.15 jfb 638: if (cvs_modtime != CVS_DATE_DMSEC) {
1.4 jfb 639: ep->ce_mtime = cvs_modtime;
1.15 jfb 640: } else
641: ep->ce_mtime = time(&(ep->ce_mtime));
642:
643: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 644: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.42 ! joris 645: if ((cvs_ent_remove(cvs_resp_lastent, ep->ce_name) < 0) &&
1.30 joris 646: (type != CVS_RESP_CREATED)) {
647: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.12 jfb 648: ep->ce_name);
1.30 joris 649: }
1.15 jfb 650: }
1.12 jfb 651:
1.42 ! joris 652: if (cvs_ent_add(cvs_resp_lastent, ep) < 0) {
1.15 jfb 653: cvs_ent_free(ep);
654: return (-1);
1.1 jfb 655: }
1.15 jfb 656:
1.17 jfb 657: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
658: return (-1);
659: if (cvs_buf_write(fbuf, path, fmode) < 0) {
660: cvs_buf_free(fbuf);
1.1 jfb 661: return (-1);
1.17 jfb 662: }
663: cvs_buf_free(fbuf);
1.2 jfb 664:
1.12 jfb 665: if (cvs_modtime != CVS_DATE_DMSEC) {
666: tv[0].tv_sec = (long)cvs_modtime;
667: tv[0].tv_usec = 0;
668: tv[1].tv_sec = (long)cvs_modtime;
669: tv[1].tv_usec = 0;
670: if (utimes(path, tv) == -1)
671: cvs_log(LP_ERRNO, "failed to set file timestamps");
672: }
1.34 jfb 673:
674: /* invalidate last received timestamp */
675: cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 676:
677: /* now see if there is a checksum */
678: if (cvs_fcksum != NULL) {
1.17 jfb 679: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
680: ret = -1;
681: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 682: cvs_log(LP_ERR, "checksum error on received file");
683: (void)unlink(line);
1.17 jfb 684: ret = -1;
1.1 jfb 685: }
686:
687: free(cvs_fcksum);
688: cvs_fcksum = NULL;
689: }
690:
1.17 jfb 691: return (ret);
1.1 jfb 692: }
693:
694:
695: /*
696: * cvs_resp_removed()
697: *
1.10 jfb 698: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
699: * response is received when both a file and its entry need to be removed from
700: * the local copy. The `Remove-entry' is received in cases where the file is
701: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 702: */
703: static int
704: cvs_resp_removed(struct cvsroot *root, int type, char *line)
705: {
1.29 joris 706: int l;
707: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 708:
1.29 joris 709: if (cvs_getln(root, buf, sizeof(buf)) < 0)
710: return (-1);
711:
712: cvs_splitpath(buf, base, sizeof(base), &file);
713: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
714: if (l == -1 || l >= (int)sizeof(fpath)) {
715: errno = ENAMETOOLONG;
716: cvs_log(LP_ERRNO, "%s", fpath);
717: return (-1);
718: }
719:
1.42 ! joris 720: if (resp_check_dir(line) < 0)
! 721: return (-1);
1.10 jfb 722:
1.42 ! joris 723: (void)cvs_ent_remove(cvs_resp_lastent, file);
1.32 joris 724: if ((type == CVS_RESP_REMOVED) && ((unlink(fpath) == -1) &&
725: errno != ENOENT)) {
1.29 joris 726: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 727: return (-1);
1.10 jfb 728: }
1.1 jfb 729:
730: return (0);
731: }
732:
733:
734: /*
735: * cvs_resp_mode()
736: *
737: * Handler for the `Mode' response.
738: */
739: static int
740: cvs_resp_mode(struct cvsroot *root, int type, char *line)
741: {
742: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 743: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 744: return (-1);
745: }
746: return (0);
747: }
748:
749:
750: /*
751: * cvs_resp_modxpand()
752: *
753: * Handler for the `Module-expansion' response.
754: */
755: static int
756: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
757: {
758: return (0);
759: }
760:
761: /*
762: * cvs_resp_rcsdiff()
763: *
764: * Handler for the `Rcs-diff' response.
765: */
766: static int
767: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
768: {
1.24 jfb 769: int len;
1.1 jfb 770: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
771: char *fname, *orig, *patch;
772: mode_t fmode;
773: BUF *res, *fcont, *patchbuf;
774: CVSENTRIES *entf;
775: struct cvs_ent *ent;
776:
777: /* get remote path and build local path of file to be patched */
778: cvs_getln(root, buf, sizeof(buf));
779: fname = strrchr(buf, '/');
780: if (fname == NULL)
781: fname = buf;
1.24 jfb 782: len = snprintf(file, sizeof(file), "%s%s", line, fname);
783: if (len == -1 || len >= (int)sizeof(file)) {
784: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
785: return (-1);
786: }
1.1 jfb 787:
788: /* get updated entry fields */
789: cvs_getln(root, buf, sizeof(buf));
790: ent = cvs_ent_parse(buf);
1.13 tedu 791: if (ent == NULL)
1.1 jfb 792: return (-1);
793:
794: patchbuf = cvs_recvfile(root, &fmode);
795: fcont = cvs_buf_load(file, BUF_AUTOEXT);
796: if (fcont == NULL)
797: return (-1);
798:
799: cvs_buf_putc(patchbuf, '\0');
800: cvs_buf_putc(fcont, '\0');
801: orig = cvs_buf_release(fcont);
802: patch = cvs_buf_release(patchbuf);
803:
804: res = rcs_patch(orig, patch);
805: if (res == NULL)
806: return (-1);
807:
808: cvs_buf_write(res, file, fmode);
809:
810: /* now see if there is a checksum */
811: if (cvs_fcksum != NULL) {
812: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
813: }
814:
815: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
816: cvs_log(LP_ERR, "checksum error on received file");
817: (void)unlink(file);
818: }
819:
820: free(cvs_fcksum);
821: cvs_fcksum = NULL;
822: }
823:
824: /* update revision in entries */
825: entf = cvs_ent_open(line, O_WRONLY);
826: if (entf == NULL)
827: return (-1);
828:
829: cvs_ent_close(entf);
830:
831: return (0);
832: }
833:
834:
835: /*
836: * cvs_resp_template()
837: *
838: * Handler for the `Template' response.
839: */
840: static int
841: cvs_resp_template(struct cvsroot *root, int type, char *line)
842: {
843: mode_t mode;
844: BUF *tmpl;
845:
846: tmpl = cvs_recvfile(root, &mode);
847: if (tmpl == NULL)
848: return (-1);
1.42 ! joris 849:
! 850: return (0);
! 851: }
! 852:
! 853: /*
! 854: * Check if <dir> is the same as the last
! 855: * received directory, if it's not, switch Entry files.
! 856: */
! 857: static int
! 858: resp_check_dir(const char *dir)
! 859: {
! 860: size_t len;
! 861:
! 862: if (strcmp(dir, cvs_resp_lastdir)) {
! 863: if (cvs_resp_lastent != NULL)
! 864: cvs_ent_close(cvs_resp_lastent);
! 865: cvs_resp_lastent = cvs_ent_open(dir, O_WRONLY);
! 866: if (cvs_resp_lastent == NULL)
! 867: return (-1);
! 868:
! 869: len = strlcpy(cvs_resp_lastdir, dir, sizeof(cvs_resp_lastdir));
! 870: if (len >= sizeof(cvs_resp_lastdir)) {
! 871: errno = ENAMETOOLONG;
! 872: cvs_log(LP_ERRNO, "%s", cvs_resp_lastdir);
! 873: return (-1);
! 874: }
! 875: } else {
! 876: /* make sure the old one is still open */
! 877: if (cvs_resp_lastent == NULL) {
! 878: cvs_resp_lastent = cvs_ent_open(cvs_resp_lastdir,
! 879: O_WRONLY);
! 880: if (cvs_resp_lastent == NULL)
! 881: return (-1);
! 882: }
! 883: }
1.1 jfb 884:
885: return (0);
886: }
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