Annotation of src/usr.bin/cvs/resp.c, Revision 1.54
1.54 ! joris 1: /* $OpenBSD: resp.c,v 1.53 2005/08/02 12:08:13 joris Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. The name of the author may not be used to endorse or promote products
13: * derived from this software without specific prior written permission.
14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27:
28: #include <sys/types.h>
29: #include <sys/stat.h>
1.2 jfb 30: #include <sys/time.h>
1.1 jfb 31:
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;
1.52 joris 123: static int resp_check_dir(struct cvsroot *, 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: {
1.53 joris 421: int l;
1.47 joris 422: CVSFILE *base, *cf;
423: CVSENTRIES *entf;
424: struct stat st;
425: struct cvs_ent *ent;
426: char *file, subdir[MAXPATHLEN], buf[MAXPATHLEN];
427:
1.52 joris 428: entf = NULL;
429: cf = NULL;
1.54 ! joris 430:
! 431: /*
! 432: * we do not want to handle the '.' case,
! 433: * so return early.
! 434: */
! 435: if (!strcmp(line, "."))
! 436: return (0);
! 437:
1.4 jfb 438: cvs_splitpath(line, subdir, sizeof(subdir), &file);
1.47 joris 439: base = cvs_file_loadinfo(subdir, CF_NOFILES, NULL, NULL, 1);
440: if (base == NULL)
1.4 jfb 441: return (-1);
1.1 jfb 442:
1.47 joris 443: /*
444: * If <line> doesn't exist, we create it.
445: */
446: if (stat(line, &st) == -1) {
447: if (errno != ENOENT) {
448: cvs_log(LP_ERRNO, "failed to stat '%s'", line);
1.19 jfb 449: return (-1);
450: }
1.1 jfb 451:
1.47 joris 452: cf = cvs_file_create(base, line, DT_DIR, 0755);
1.52 joris 453: } else {
454: cf = cvs_file_loadinfo(line, CF_NOFILES, NULL, NULL, 1);
455: }
456:
457: if (cf == NULL) {
458: cvs_file_free(base);
459: return (-1);
460: }
461:
462: /*
463: * If the Entries file for the parent is already
464: * open, operate on that, instead of reopening it
465: * and invalidating the opened list.
466: */
467: if (!strcmp(subdir, cvs_resp_lastdir))
468: entf = cvs_resp_lastent;
469: else
470: entf = cvs_ent_open(subdir, O_WRONLY);
1.5 jfb 471:
1.52 joris 472: /*
473: * see if the entry is still present. If not, we add it again.
474: */
475: if (entf != NULL) {
476: if ((ent = cvs_ent_get(entf, cf->cf_name)) == NULL) {
477: l = snprintf(buf, sizeof(buf), "D/%s////", cf->cf_name);
478: if (l == -1 || l >= (int)sizeof(buf)) {
479: cvs_file_free(cf);
480: cvs_file_free(base);
481: return (-1);
1.40 joris 482: }
1.44 joris 483:
1.52 joris 484: ent = cvs_ent_parse(buf);
485: if (ent == NULL)
486: cvs_log(LP_ERR,
487: "failed to create directory entry");
488: else
489: cvs_ent_add(entf, ent);
1.5 jfb 490: }
1.47 joris 491:
1.52 joris 492: if (strcmp(subdir, cvs_resp_lastdir))
493: cvs_ent_close(entf);
1.1 jfb 494: }
495:
1.52 joris 496: cvs_file_free(cf);
1.47 joris 497: cvs_file_free(base);
1.1 jfb 498: return (0);
499: }
500:
501:
502: /*
503: * cvs_resp_newentry()
504: *
505: * Handler for the `New-entry' response and `Checked-in' responses.
1.9 jfb 506: * In the case of `New-entry', we expect the entry line
1.1 jfb 507: */
508: static int
509: cvs_resp_newentry(struct cvsroot *root, int type, char *line)
510: {
511: char entbuf[128];
1.9 jfb 512: struct cvs_ent *ent;
1.1 jfb 513:
514: /* get the remote path */
1.43 joris 515: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
516: return (-1);
1.1 jfb 517:
518: /* get the new Entries line */
519: if (cvs_getln(root, entbuf, sizeof(entbuf)) < 0)
520: return (-1);
521:
1.52 joris 522: if (resp_check_dir(root, line) < 0)
1.1 jfb 523: return (-1);
1.42 joris 524:
1.9 jfb 525: if (type == CVS_RESP_NEWENTRY) {
1.42 joris 526: cvs_ent_addln(cvs_resp_lastent, entbuf);
1.11 deraadt 527: } else if (type == CVS_RESP_CHECKEDIN) {
1.9 jfb 528: ent = cvs_ent_parse(entbuf);
529: if (ent == NULL) {
530: cvs_log(LP_ERR, "failed to parse entry");
531: return (-1);
532: }
533:
534: /* timestamp it to now */
535: ent->ce_mtime = time(&(ent->ce_mtime));
536:
537: /* replace the current entry with the one we just received */
1.42 joris 538: (void)cvs_ent_remove(cvs_resp_lastent, ent->ce_name);
1.9 jfb 539:
1.42 joris 540: cvs_ent_add(cvs_resp_lastent, ent);
1.9 jfb 541: }
1.1 jfb 542:
543: return (0);
544: }
545:
546:
547: /*
548: * cvs_resp_cksum()
549: *
550: * Handler for the `Checksum' response. We store the checksum received for
551: * the next file in a dynamically-allocated buffer pointed to by <cvs_fcksum>.
552: * Upon next file reception, the handler checks to see if there is a stored
553: * checksum.
554: * The file handler must make sure that the checksums match and free the
555: * checksum buffer once it's done to indicate there is no further checksum.
556: */
557: static int
558: cvs_resp_cksum(struct cvsroot *root, int type, char *line)
559: {
560: if (cvs_fcksum != NULL) {
561: cvs_log(LP_WARN, "unused checksum");
562: free(cvs_fcksum);
563: }
564:
565: cvs_fcksum = strdup(line);
566: if (cvs_fcksum == NULL) {
567: cvs_log(LP_ERRNO, "failed to copy checksum string");
1.14 jfb 568: return (-1);
569: }
570:
571: return (0);
572: }
573:
574:
575: /*
576: * cvs_resp_copyfile()
577: *
578: * Handler for the `Copy-file' response, which is used to copy the contents
579: * of a file to another file for which the name is provided. The CVS protocol
580: * documentation states that this response is only used prior to a `Merged'
581: * response to create a backup of the file.
582: */
583: static int
584: cvs_resp_copyfile(struct cvsroot *root, int type, char *line)
585: {
1.24 jfb 586: int len;
1.16 jfb 587: char path[MAXPATHLEN], newpath[MAXPATHLEN], newname[MAXNAMLEN], *file;
1.14 jfb 588:
1.16 jfb 589: /* read the remote path of the file to copy and its new name */
590: if ((cvs_getln(root, path, sizeof(path)) < 0) ||
591: (cvs_getln(root, newname, sizeof(newname)) < 0))
1.14 jfb 592: return (-1);
593:
1.16 jfb 594: if ((file = basename(path)) == NULL) {
595: cvs_log(LP_ERR, "no base file name in Copy-file path");
596: return (-1);
597: }
598:
1.24 jfb 599: len = snprintf(path, sizeof(path), "%s%s", line, file);
600: if (len == -1 || len >= (int)sizeof(path)) {
601: cvs_log(LP_ERR, "source path overflow in Copy-file response");
602: return (-1);
603: }
604: len = snprintf(newpath, sizeof(newpath), "%s%s", line, newname);
605: if (len == -1 || len >= (int)sizeof(path)) {
606: cvs_log(LP_ERR,
607: "destination path overflow in Copy-file response");
608: return (-1);
609: }
1.16 jfb 610:
611: if (rename(path, newpath) == -1) {
1.27 xsa 612: cvs_log(LP_ERRNO, "failed to rename %s to %s", path, newpath);
1.1 jfb 613: return (-1);
614: }
615:
616: return (0);
617: }
618:
619:
620: /*
621: * cvs_resp_modtime()
622: *
623: * Handler for the `Mod-time' file update modifying response. The timestamp
624: * given is used to set the last modification time on the next file that
625: * will be received.
626: */
627: static int
628: cvs_resp_modtime(struct cvsroot *root, int type, char *line)
629: {
1.34 jfb 630: cvs_modtime = cvs_date_parse(line);
1.1 jfb 631: return (0);
632: }
633:
634:
635: /*
636: * cvs_resp_updated()
637: *
1.4 jfb 638: * Handler for the `Updated', `Update-existing', `Created', `Merged' and
639: * `Patched' responses, which all have a very similar format.
1.1 jfb 640: */
641: static int
642: cvs_resp_updated(struct cvsroot *root, int type, char *line)
643: {
1.17 jfb 644: int ret;
1.1 jfb 645: mode_t fmode;
1.4 jfb 646: char path[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
1.1 jfb 647: BUF *fbuf;
1.45 xsa 648: struct cvs_ent *ent;
1.2 jfb 649: struct timeval tv[2];
1.1 jfb 650:
1.4 jfb 651: STRIP_SLASH(line);
652:
1.1 jfb 653: /* read the remote path of the file */
1.4 jfb 654: if (cvs_getln(root, path, sizeof(path)) < 0)
655: return (-1);
1.1 jfb 656:
657: /* read the new entry */
1.4 jfb 658: if (cvs_getln(root, path, sizeof(path)) < 0)
1.1 jfb 659: return (-1);
1.4 jfb 660:
1.45 xsa 661: if ((ent = cvs_ent_parse(path)) == NULL)
1.4 jfb 662: return (-1);
1.45 xsa 663: ret = snprintf(path, sizeof(path), "%s/%s", line, ent->ce_name);
1.24 jfb 664: if (ret == -1 || ret >= (int)sizeof(path)) {
665: cvs_log(LP_ERR, "Entries path overflow in response");
666: return (-1);
667: }
1.25 joris 668: ret = 0;
1.1 jfb 669:
1.52 joris 670: /*
671: * Please be sure the directory does exist.
672: */
673: if (cvs_resp_createdir(line) < 0)
674: return (-1);
675:
676: if (resp_check_dir(root, line) < 0)
1.12 jfb 677: return (-1);
678:
1.15 jfb 679: if (cvs_modtime != CVS_DATE_DMSEC) {
1.45 xsa 680: ent->ce_mtime = cvs_modtime;
1.15 jfb 681: } else
1.45 xsa 682: ent->ce_mtime = time(&(ent->ce_mtime));
1.15 jfb 683:
684: if ((type == CVS_RESP_UPDEXIST) || (type == CVS_RESP_UPDATED) ||
1.18 jfb 685: (type == CVS_RESP_MERGED) || (type == CVS_RESP_CREATED)) {
1.45 xsa 686: if ((cvs_ent_remove(cvs_resp_lastent, ent->ce_name) < 0) &&
1.30 joris 687: (type != CVS_RESP_CREATED)) {
688: cvs_log(LP_WARN, "failed to remove entry for '%s`",
1.45 xsa 689: ent->ce_name);
1.30 joris 690: }
1.15 jfb 691: }
1.12 jfb 692:
1.45 xsa 693: if (cvs_ent_add(cvs_resp_lastent, ent) < 0) {
694: cvs_ent_free(ent);
1.15 jfb 695: return (-1);
1.1 jfb 696: }
1.15 jfb 697:
1.17 jfb 698: if ((fbuf = cvs_recvfile(root, &fmode)) == NULL)
699: return (-1);
700: if (cvs_buf_write(fbuf, path, fmode) < 0) {
701: cvs_buf_free(fbuf);
1.1 jfb 702: return (-1);
1.17 jfb 703: }
704: cvs_buf_free(fbuf);
1.2 jfb 705:
1.12 jfb 706: if (cvs_modtime != CVS_DATE_DMSEC) {
707: tv[0].tv_sec = (long)cvs_modtime;
708: tv[0].tv_usec = 0;
709: tv[1].tv_sec = (long)cvs_modtime;
710: tv[1].tv_usec = 0;
711: if (utimes(path, tv) == -1)
712: cvs_log(LP_ERRNO, "failed to set file timestamps");
713: }
1.34 jfb 714:
715: /* invalidate last received timestamp */
716: cvs_modtime = CVS_DATE_DMSEC;
1.1 jfb 717:
718: /* now see if there is a checksum */
719: if (cvs_fcksum != NULL) {
1.17 jfb 720: if (cvs_cksum(path, cksum_buf, sizeof(cksum_buf)) < 0)
721: ret = -1;
722: else if (strcmp(cksum_buf, cvs_fcksum) != 0) {
1.1 jfb 723: cvs_log(LP_ERR, "checksum error on received file");
724: (void)unlink(line);
1.17 jfb 725: ret = -1;
1.1 jfb 726: }
727:
728: free(cvs_fcksum);
729: cvs_fcksum = NULL;
730: }
731:
1.17 jfb 732: return (ret);
1.1 jfb 733: }
734:
735:
736: /*
737: * cvs_resp_removed()
738: *
1.10 jfb 739: * Handler for the `Removed' and `Remove-entry' responses. The `Removed'
740: * response is received when both a file and its entry need to be removed from
741: * the local copy. The `Remove-entry' is received in cases where the file is
742: * already gone but there is still an entry to remove in the Entries file.
1.1 jfb 743: */
744: static int
745: cvs_resp_removed(struct cvsroot *root, int type, char *line)
746: {
1.29 joris 747: int l;
748: char buf[MAXPATHLEN], base[MAXPATHLEN], fpath[MAXPATHLEN], *file;
1.1 jfb 749:
1.29 joris 750: if (cvs_getln(root, buf, sizeof(buf)) < 0)
751: return (-1);
752:
753: cvs_splitpath(buf, base, sizeof(base), &file);
754: l = snprintf(fpath, sizeof(fpath), "%s/%s", line, file);
755: if (l == -1 || l >= (int)sizeof(fpath)) {
756: errno = ENAMETOOLONG;
757: cvs_log(LP_ERRNO, "%s", fpath);
758: return (-1);
759: }
760:
1.52 joris 761: if (resp_check_dir(root, line) < 0)
1.42 joris 762: return (-1);
1.10 jfb 763:
1.42 joris 764: (void)cvs_ent_remove(cvs_resp_lastent, file);
1.32 joris 765: if ((type == CVS_RESP_REMOVED) && ((unlink(fpath) == -1) &&
766: errno != ENOENT)) {
1.29 joris 767: cvs_log(LP_ERRNO, "failed to unlink `%s'", file);
1.1 jfb 768: return (-1);
1.10 jfb 769: }
1.1 jfb 770:
771: return (0);
772: }
773:
774:
775: /*
776: * cvs_resp_mode()
777: *
778: * Handler for the `Mode' response.
779: */
780: static int
781: cvs_resp_mode(struct cvsroot *root, int type, char *line)
782: {
783: if (cvs_strtomode(line, &cvs_lastmode) < 0) {
1.12 jfb 784: cvs_log(LP_ERR, "error handling Mode response");
1.1 jfb 785: return (-1);
786: }
787: return (0);
788: }
789:
790:
791: /*
792: * cvs_resp_modxpand()
793: *
794: * Handler for the `Module-expansion' response.
795: */
796: static int
797: cvs_resp_modxpand(struct cvsroot *root, int type, char *line)
798: {
799: return (0);
800: }
801:
802: /*
803: * cvs_resp_rcsdiff()
804: *
805: * Handler for the `Rcs-diff' response.
806: */
807: static int
808: cvs_resp_rcsdiff(struct cvsroot *root, int type, char *line)
809: {
1.24 jfb 810: int len;
1.1 jfb 811: char file[MAXPATHLEN], buf[MAXPATHLEN], cksum_buf[CVS_CKSUM_LEN];
812: char *fname, *orig, *patch;
813: mode_t fmode;
814: BUF *res, *fcont, *patchbuf;
815: CVSENTRIES *entf;
816: struct cvs_ent *ent;
817:
818: /* get remote path and build local path of file to be patched */
1.43 joris 819: if (cvs_getln(root, buf, sizeof(buf)) < 0)
820: return (-1);
821:
1.1 jfb 822: fname = strrchr(buf, '/');
823: if (fname == NULL)
824: fname = buf;
1.24 jfb 825: len = snprintf(file, sizeof(file), "%s%s", line, fname);
826: if (len == -1 || len >= (int)sizeof(file)) {
827: cvs_log(LP_ERR, "path overflow in Rcs-diff response");
828: return (-1);
829: }
1.1 jfb 830:
831: /* get updated entry fields */
1.43 joris 832: if (cvs_getln(root, buf, sizeof(buf)) < 0)
833: return (-1);
834:
1.1 jfb 835: ent = cvs_ent_parse(buf);
1.13 tedu 836: if (ent == NULL)
1.1 jfb 837: return (-1);
838:
839: patchbuf = cvs_recvfile(root, &fmode);
840: fcont = cvs_buf_load(file, BUF_AUTOEXT);
841: if (fcont == NULL)
842: return (-1);
843:
844: cvs_buf_putc(patchbuf, '\0');
845: cvs_buf_putc(fcont, '\0');
846: orig = cvs_buf_release(fcont);
847: patch = cvs_buf_release(patchbuf);
848:
849: res = rcs_patch(orig, patch);
850: if (res == NULL)
851: return (-1);
852:
853: cvs_buf_write(res, file, fmode);
854:
855: /* now see if there is a checksum */
856: if (cvs_fcksum != NULL) {
857: if (cvs_cksum(file, cksum_buf, sizeof(cksum_buf)) < 0) {
858: }
859:
860: if (strcmp(cksum_buf, cvs_fcksum) != 0) {
861: cvs_log(LP_ERR, "checksum error on received file");
862: (void)unlink(file);
863: }
864:
865: free(cvs_fcksum);
866: cvs_fcksum = NULL;
867: }
868:
869: /* update revision in entries */
870: entf = cvs_ent_open(line, O_WRONLY);
871: if (entf == NULL)
872: return (-1);
873:
874: cvs_ent_close(entf);
875:
876: return (0);
877: }
878:
879:
880: /*
881: * cvs_resp_template()
882: *
883: * Handler for the `Template' response.
884: */
885: static int
886: cvs_resp_template(struct cvsroot *root, int type, char *line)
887: {
888: mode_t mode;
889: BUF *tmpl;
890:
891: tmpl = cvs_recvfile(root, &mode);
892: if (tmpl == NULL)
893: return (-1);
1.42 joris 894:
895: return (0);
896: }
897:
898: /*
899: * Check if <dir> is the same as the last
900: * received directory, if it's not, switch Entry files.
901: */
902: static int
1.52 joris 903: resp_check_dir(struct cvsroot *root, const char *dir)
1.42 joris 904: {
1.52 joris 905: int l;
1.42 joris 906: size_t len;
1.52 joris 907: char cvspath[MAXPATHLEN], repo[MAXPATHLEN];
908: struct stat st;
909:
910: /*
911: * Make sure the CVS directory exists.
912: */
913: l = snprintf(cvspath, sizeof(cvspath), "%s/%s", dir, CVS_PATH_CVSDIR);
914: if (l == -1 || l >= (int)sizeof(cvspath))
915: return (-1);
916:
917: if (stat(cvspath, &st) == -1) {
918: if (errno != ENOENT)
919: return (-1);
920: if (cvs_repo_base != NULL) {
921: l = snprintf(repo, sizeof(repo), "%s/%s", cvs_repo_base,
922: dir);
923: if (l == -1 || l >= (int)sizeof(repo))
924: return (-1);
925: } else {
926: strlcpy(repo, dir, sizeof(repo));
927: }
928:
929: if (cvs_mkadmin(dir, root->cr_str, repo) < 0)
930: return (-1);
931: }
1.42 joris 932:
933: if (strcmp(dir, cvs_resp_lastdir)) {
934: if (cvs_resp_lastent != NULL)
935: cvs_ent_close(cvs_resp_lastent);
936: cvs_resp_lastent = cvs_ent_open(dir, O_WRONLY);
937: if (cvs_resp_lastent == NULL)
938: return (-1);
939:
940: len = strlcpy(cvs_resp_lastdir, dir, sizeof(cvs_resp_lastdir));
941: if (len >= sizeof(cvs_resp_lastdir)) {
942: errno = ENAMETOOLONG;
943: cvs_log(LP_ERRNO, "%s", cvs_resp_lastdir);
944: return (-1);
945: }
946: } else {
947: /* make sure the old one is still open */
948: if (cvs_resp_lastent == NULL) {
949: cvs_resp_lastent = cvs_ent_open(cvs_resp_lastdir,
950: O_WRONLY);
951: if (cvs_resp_lastent == NULL)
952: return (-1);
953: }
954: }
1.1 jfb 955:
956: return (0);
957: }
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