Annotation of src/usr.bin/cvs/resp.c, Revision 1.51
1.51 ! xsa 1: /* $OpenBSD: resp.c,v 1.50 2005/07/25 12:05:43 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:
1.50 xsa 47: #define CVS_MTSTK_MAXDEPTH 16
1.1 jfb 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 *);
1.47 joris 75: static int cvs_resp_createdir (char *);
1.1 jfb 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];
348:
1.3 jfb 349: /* remote directory line */
350: if (cvs_getln(root, rpath, sizeof(rpath)) < 0)
351: return (-1);
1.1 jfb 352:
1.36 jfb 353: STRIP_SLASH(line);
354:
1.47 joris 355: /*
356: * Create the directory if it does not exist.
357: */
358: if (cvs_resp_createdir(line) < 0)
359: return (-1);
1.36 jfb 360:
1.24 jfb 361: len = snprintf(statpath, sizeof(statpath), "%s/%s", line,
1.1 jfb 362: CVS_PATH_STATICENTRIES);
1.24 jfb 363: if (len == -1 || len >= (int)sizeof(statpath)) {
364: cvs_log(LP_ERR,
365: "path overflow for Entries.static specification");
366: return (-1);
367: }
1.1 jfb 368:
1.48 xsa 369: if (cvs_noexec == 0) {
1.35 xsa 370: if ((type == CVS_RESP_CLRSTATDIR) &&
1.51 ! xsa 371: (cvs_unlink(statpath) == -1)) {
1.1 jfb 372: return (-1);
1.35 xsa 373: } else if (type == CVS_RESP_SETSTATDIR) {
1.40 joris 374: fd = open(statpath, O_CREAT|O_TRUNC|O_WRONLY, 0644);
1.35 xsa 375: if (fd == -1) {
376: cvs_log(LP_ERRNO,
377: "failed to set static directory on %s",
378: line);
379: return (-1);
380: }
381: (void)close(fd);
382:
1.1 jfb 383: }
384: }
385:
386: return (0);
387: }
388:
389: /*
390: * cvs_resp_sticky()
391: *
1.4 jfb 392: * Handler for the `Clear-sticky' and `Set-sticky' responses. If the
1.47 joris 393: * specified directory doesn't exist, we create it.
1.1 jfb 394: */
395: static int
396: cvs_resp_sticky(struct cvsroot *root, int type, char *line)
397: {
1.47 joris 398: char buf[MAXPATHLEN];
1.4 jfb 399:
400: /* get the remote path */
1.5 jfb 401: if (cvs_getln(root, buf, sizeof(buf)) < 0)
1.4 jfb 402: return (-1);
1.1 jfb 403:
1.4 jfb 404: STRIP_SLASH(line);
1.36 jfb 405:
1.47 joris 406: if (cvs_resp_createdir(line) < 0)
407: return (-1);
408:
409: return (0);
410: }
411:
412: /*
413: * Shared code for cvs_resp[static, sticky]
414: *
415: * Looks if the directory requested exists, if it doesn't it will
416: * create it plus all administrative files as well.
417: */
418: static int
419: cvs_resp_createdir(char *line)
420: {
421: CVSFILE *base, *cf;
422: CVSENTRIES *entf;
423: struct stat st;
424: struct cvs_ent *ent;
425: char *file, subdir[MAXPATHLEN], buf[MAXPATHLEN];
426:
1.4 jfb 427: cvs_splitpath(line, subdir, sizeof(subdir), &file);
1.47 joris 428: base = cvs_file_loadinfo(subdir, CF_NOFILES, NULL, NULL, 1);
429: if (base == NULL)
1.4 jfb 430: return (-1);
1.1 jfb 431:
1.47 joris 432: /*
433: * If <line> doesn't exist, we create it.
434: */
435: if (stat(line, &st) == -1) {
436: if (errno != ENOENT) {
437: cvs_log(LP_ERRNO, "failed to stat '%s'", line);
1.19 jfb 438: return (-1);
439: }
1.1 jfb 440:
1.47 joris 441: cf = cvs_file_create(base, line, DT_DIR, 0755);
442: if (cf == NULL) {
443: cvs_file_free(base);
1.22 joris 444: return (-1);
445: }
1.5 jfb 446:
1.44 joris 447: /*
448: * If the Entries file for the parent is already
449: * open, operate on that, instead of reopening it
450: * and invalidating the opened list.
451: */
452: if (!strcmp(subdir, cvs_resp_lastdir))
453: entf = cvs_resp_lastent;
454: else
455: entf = cvs_ent_open(subdir, O_WRONLY);
456:
1.5 jfb 457: /* add a directory entry to the parent */
1.44 joris 458: if (entf != NULL) {
1.46 joris 459: if ((ent = cvs_ent_get(entf, cf->cf_name)) == NULL) {
1.40 joris 460: snprintf(buf, sizeof(buf), "D/%s////",
1.46 joris 461: cf->cf_name);
1.40 joris 462: ent = cvs_ent_parse(buf);
463: if (ent == NULL)
464: cvs_log(LP_ERR,
465: "failed to create directory entry");
466: else
467: cvs_ent_add(entf, ent);
468: }
1.44 joris 469:
470: if (strcmp(subdir, cvs_resp_lastdir))
471: cvs_ent_close(entf);
1.5 jfb 472: }
1.47 joris 473:
474: cvs_file_free(cf);
1.1 jfb 475: }
476:
1.47 joris 477: cvs_file_free(base);
1.1 jfb 478: return (0);
479: }
480:
481:
482: /*
483: * cvs_resp_newentry()
484: *
485: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 486: * In the case of `New-entry', we expect the entry line
1.1 jfb 487: */
488: static int
489: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
490: {
491: char entbuf[128];
1.9 jfb 492: struct cvs_ent *ent;
1.1 jfb 493:
494: /* get the remote path */
1.43 joris 495: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
496: return (-1);
1.1 jfb 497:
498: /* get the new Entries line */
499: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
500: return (-1);
501:
1.42 joris 502: if (resp_check_dir(line) < 0)
1.1 jfb 503: return (-1);
1.42 joris 504:
1.9 jfb 505: if (type == CVS_RESP_NEWENTRY) {
1.42 joris 506: cvs_ent_addln(cvs_resp_lastent, entbuf);
1.11 deraadt 507: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 508: ent = cvs_ent_parse(entbuf);
509: if (ent == NULL) {
510: cvs_log(LP_ERR, "failed to parse entry");
511: return (-1);
512: }
513:
514: /* timestamp it to now */
515: ent->ce_mtime = time(&(ent->ce_mtime));
516:
517: /* replace the current entry with the one we just received */
1.42 joris 518: (void)cvs_ent_remove(cvs_resp_lastent, ent->ce_name);
1.9 jfb 519:
1.42 joris 520: cvs_ent_add(cvs_resp_lastent, ent);
1.9 jfb 521: }
1.1 jfb 522:
523: return (0);
524: }
525:
526:
527: /*
528: * cvs_resp_cksum()
529: *
530: * Handler for the `Checksum' response. We store the checksum received for
531: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
532: * Upon next file reception, the handler checks to see if there is a stored
533: * checksum.
534: * The file handler must make sure that the checksums match and free the
535: * checksum buffer once it's done to indicate there is no further checksum.
536: */
537: static int
538: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
539: {
540: if (cvs_fcksum != NULL) {
541: cvs_log(LP_WARN, "unused checksum");
542: free(cvs_fcksum);
543: }
544:
545: cvs_fcksum = strdup(line);
546: if (cvs_fcksum == NULL) {
547: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 548: return (-1);
549: }
550:
551: return (0);
552: }
553:
554:
555: /*
556: * cvs_resp_copyfile()
557: *
558: * Handler for the `Copy-file' response, which is used to copy the contents
559: * of a file to another file for which the name is provided. The CVS protocol
560: * documentation states that this response is only used prior to a `Merged'
561: * response to create a backup of the file.
562: */
563: static int
564: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
565: {
1.24 jfb 566: int len;
1.16 jfb 567: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 568:
1.16 jfb 569: /* read the remote path of the file to copy and its new name */
570: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
571: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 572: return (-1);
573:
1.16 jfb 574: if ((file = basename(path)) == NULL) {
575: cvs_log(LP_ERR, "no base file name in Copy-file path");
576: return (-1);
577: }
578:
1.24 jfb 579: len = snprintf(path, sizeof(path), "%s%s", line, file);
580: if (len == -1 || len >= (int)sizeof(path)) {
581: cvs_log(LP_ERR, "source path overflow in Copy-file response");
582: return (-1);
583: }
584: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
585: if (len == -1 || len >= (int)sizeof(path)) {
586: cvs_log(LP_ERR,
587: "destination path overflow in Copy-file response");
588: return (-1);
589: }
1.16 jfb 590:
591: if (rename(path, newpath) == -1) {
1.27 xsa 592: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 593: return (-1);
594: }
595:
596: return (0);
597: }
598:
599:
600: /*
601: * cvs_resp_modtime()
602: *
603: * Handler for the `Mod-time' file update modifying response. The timestamp
604: * given is used to set the last modification time on the next file that
605: * will be received.
606: */
607: static int
608: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
609: {
1.34 jfb 610: cvs_modtime = cvs_date_parse(line);
1.1 jfb 611: return (0);
612: }
613:
614:
615: /*
616: * cvs_resp_updated()
617: *
1.4 jfb 618: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
619: * `Patched' responses, which all have a very similar format.
1.1 jfb 620: */
621: static int
622: cvs_resp_updated(struct cvsroot *root, int type, char *line)
623: {
1.17 jfb 624: int ret;
1.1 jfb 625: mode_t fmode;
1.4 jfb 626: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 627: BUF *fbuf;
1.45 xsa 628: struct cvs_ent *ent;
1.2 jfb 629: struct timeval tv[2];
1.1 jfb 630:
1.4 jfb 631: STRIP_SLASH(line);
632:
1.1 jfb 633: /* read the remote path of the file */
1.4 jfb 634: if (cvs_getln(root, path, sizeof(path)) < 0)
635: return (-1);
1.1 jfb 636:
637: /* read the new entry */
1.4 jfb 638: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 639: return (-1);
1.4 jfb 640:
1.45 xsa 641: if ((ent = cvs_ent_parse(path)) == NULL)
1.4 jfb 642: return (-1);
1.45 xsa 643: ret = snprintf(path, sizeof(path), "%s/%s", line, ent->ce_name);
1.24 jfb 644: if (ret == -1 || ret >= (int)sizeof(path)) {
645: cvs_log(LP_ERR, "Entries path overflow in response");
646: return (-1);
647: }
1.25 joris 648: ret = 0;
1.1 jfb 649:
1.42 joris 650: if (resp_check_dir(line) < 0)
1.12 jfb 651: return (-1);
652:
1.15 jfb 653: if (cvs_modtime != CVS_DATE_DMSEC) {
1.45 xsa 654: ent->ce_mtime = cvs_modtime;
1.15 jfb 655: } else
1.45 xsa 656: ent->ce_mtime = time(&(ent->ce_mtime));
1.15 jfb 657:
658: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 659: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.45 xsa 660: if ((cvs_ent_remove(cvs_resp_lastent, ent->ce_name) < 0) &&
1.30 joris 661: (type != CVS_RESP_CREATED)) {
662: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.45 xsa 663: ent->ce_name);
1.30 joris 664: }
1.15 jfb 665: }
1.12 jfb 666:
1.45 xsa 667: if (cvs_ent_add(cvs_resp_lastent, ent) < 0) {
668: cvs_ent_free(ent);
1.15 jfb 669: return (-1);
1.1 jfb 670: }
1.15 jfb 671:
1.17 jfb 672: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
673: return (-1);
674: if (cvs_buf_write(fbuf, path, fmode) < 0) {
675: cvs_buf_free(fbuf);
1.1 jfb 676: return (-1);
1.17 jfb 677: }
678: cvs_buf_free(fbuf);
1.2 jfb 679:
1.12 jfb 680: if (cvs_modtime != CVS_DATE_DMSEC) {
681: tv[0].tv_sec = (long)cvs_modtime;
682: tv[0].tv_usec = 0;
683: tv[1].tv_sec = (long)cvs_modtime;
684: tv[1].tv_usec = 0;
685: if (utimes(path, tv) == -1)
686: cvs_log(LP_ERRNO, "failed to set file timestamps");
687: }
1.34 jfb 688:
689: /* invalidate last received timestamp */
690: cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 691:
692: /* now see if there is a checksum */
693: if (cvs_fcksum != NULL) {
1.17 jfb 694: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
695: ret = -1;
696: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 697: cvs_log(LP_ERR, "checksum error on received file");
698: (void)unlink(line);
1.17 jfb 699: ret = -1;
1.1 jfb 700: }
701:
702: free(cvs_fcksum);
703: cvs_fcksum = NULL;
704: }
705:
1.17 jfb 706: return (ret);
1.1 jfb 707: }
708:
709:
710: /*
711: * cvs_resp_removed()
712: *
1.10 jfb 713: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
714: * response is received when both a file and its entry need to be removed from
715: * the local copy. The `Remove-entry' is received in cases where the file is
716: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 717: */
718: static int
719: cvs_resp_removed(struct cvsroot *root, int type, char *line)
720: {
1.29 joris 721: int l;
722: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 723:
1.29 joris 724: if (cvs_getln(root, buf, sizeof(buf)) < 0)
725: return (-1);
726:
727: cvs_splitpath(buf, base, sizeof(base), &file);
728: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
729: if (l == -1 || l >= (int)sizeof(fpath)) {
730: errno = ENAMETOOLONG;
731: cvs_log(LP_ERRNO, "%s", fpath);
732: return (-1);
733: }
734:
1.42 joris 735: if (resp_check_dir(line) < 0)
736: return (-1);
1.10 jfb 737:
1.42 joris 738: (void)cvs_ent_remove(cvs_resp_lastent, file);
1.32 joris 739: if ((type == CVS_RESP_REMOVED) && ((unlink(fpath) == -1) &&
740: errno != ENOENT)) {
1.29 joris 741: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 742: return (-1);
1.10 jfb 743: }
1.1 jfb 744:
745: return (0);
746: }
747:
748:
749: /*
750: * cvs_resp_mode()
751: *
752: * Handler for the `Mode' response.
753: */
754: static int
755: cvs_resp_mode(struct cvsroot *root, int type, char *line)
756: {
757: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 758: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 759: return (-1);
760: }
761: return (0);
762: }
763:
764:
765: /*
766: * cvs_resp_modxpand()
767: *
768: * Handler for the `Module-expansion' response.
769: */
770: static int
771: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
772: {
773: return (0);
774: }
775:
776: /*
777: * cvs_resp_rcsdiff()
778: *
779: * Handler for the `Rcs-diff' response.
780: */
781: static int
782: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
783: {
1.24 jfb 784: int len;
1.1 jfb 785: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
786: char *fname, *orig, *patch;
787: mode_t fmode;
788: BUF *res, *fcont, *patchbuf;
789: CVSENTRIES *entf;
790: struct cvs_ent *ent;
791:
792: /* get remote path and build local path of file to be patched */
1.43 joris 793: if (cvs_getln(root, buf, sizeof(buf)) < 0)
794: return (-1);
795:
1.1 jfb 796: fname = strrchr(buf, '/');
797: if (fname == NULL)
798: fname = buf;
1.24 jfb 799: len = snprintf(file, sizeof(file), "%s%s", line, fname);
800: if (len == -1 || len >= (int)sizeof(file)) {
801: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
802: return (-1);
803: }
1.1 jfb 804:
805: /* get updated entry fields */
1.43 joris 806: if (cvs_getln(root, buf, sizeof(buf)) < 0)
807: return (-1);
808:
1.1 jfb 809: ent = cvs_ent_parse(buf);
1.13 tedu 810: if (ent == NULL)
1.1 jfb 811: return (-1);
812:
813: patchbuf = cvs_recvfile(root, &fmode);
814: fcont = cvs_buf_load(file, BUF_AUTOEXT);
815: if (fcont == NULL)
816: return (-1);
817:
818: cvs_buf_putc(patchbuf, '\0');
819: cvs_buf_putc(fcont, '\0');
820: orig = cvs_buf_release(fcont);
821: patch = cvs_buf_release(patchbuf);
822:
823: res = rcs_patch(orig, patch);
824: if (res == NULL)
825: return (-1);
826:
827: cvs_buf_write(res, file, fmode);
828:
829: /* now see if there is a checksum */
830: if (cvs_fcksum != NULL) {
831: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
832: }
833:
834: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
835: cvs_log(LP_ERR, "checksum error on received file");
836: (void)unlink(file);
837: }
838:
839: free(cvs_fcksum);
840: cvs_fcksum = NULL;
841: }
842:
843: /* update revision in entries */
844: entf = cvs_ent_open(line, O_WRONLY);
845: if (entf == NULL)
846: return (-1);
847:
848: cvs_ent_close(entf);
849:
850: return (0);
851: }
852:
853:
854: /*
855: * cvs_resp_template()
856: *
857: * Handler for the `Template' response.
858: */
859: static int
860: cvs_resp_template(struct cvsroot *root, int type, char *line)
861: {
862: mode_t mode;
863: BUF *tmpl;
864:
865: tmpl = cvs_recvfile(root, &mode);
866: if (tmpl == NULL)
867: return (-1);
1.42 joris 868:
869: return (0);
870: }
871:
872: /*
873: * Check if <dir> is the same as the last
874: * received directory, if it's not, switch Entry files.
875: */
876: static int
877: resp_check_dir(const char *dir)
878: {
879: size_t len;
880:
881: if (strcmp(dir, cvs_resp_lastdir)) {
882: if (cvs_resp_lastent != NULL)
883: cvs_ent_close(cvs_resp_lastent);
884: cvs_resp_lastent = cvs_ent_open(dir, O_WRONLY);
885: if (cvs_resp_lastent == NULL)
886: return (-1);
887:
888: len = strlcpy(cvs_resp_lastdir, dir, sizeof(cvs_resp_lastdir));
889: if (len >= sizeof(cvs_resp_lastdir)) {
890: errno = ENAMETOOLONG;
891: cvs_log(LP_ERRNO, "%s", cvs_resp_lastdir);
892: return (-1);
893: }
894: } else {
895: /* make sure the old one is still open */
896: if (cvs_resp_lastent == NULL) {
897: cvs_resp_lastent = cvs_ent_open(cvs_resp_lastdir,
898: O_WRONLY);
899: if (cvs_resp_lastent == NULL)
900: return (-1);
901: }
902: }
1.1 jfb 903:
904: return (0);
905: }
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