Annotation of src/usr.bin/cvs/server.c, Revision 1.51
1.51 ! otto 1: /* $OpenBSD: server.c,v 1.50 2007/01/18 16:45:52 joris Exp $ */
1.1 jfb 2: /*
1.29 joris 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
1.1 jfb 4: *
1.29 joris 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 jfb 8: *
1.29 joris 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 jfb 16: */
17:
1.27 xsa 18: #include "includes.h"
1.1 jfb 19:
20: #include "cvs.h"
21: #include "log.h"
1.29 joris 22: #include "diff.h"
23: #include "remote.h"
24:
25: struct cvs_resp cvs_responses[] = {
26: /* this is what our server uses, the client should support it */
27: { "Valid-requests", 1, cvs_client_validreq, RESP_NEEDED },
28: { "ok", 0, cvs_client_ok, RESP_NEEDED},
29: { "error", 0, cvs_client_error, RESP_NEEDED },
30: { "E", 0, cvs_client_e, RESP_NEEDED },
31: { "M", 0, cvs_client_m, RESP_NEEDED },
32: { "Checked-in", 0, cvs_client_checkedin, RESP_NEEDED },
33: { "Updated", 0, cvs_client_updated, RESP_NEEDED },
34: { "Merged", 0, cvs_client_merged, RESP_NEEDED },
35: { "Removed", 0, cvs_client_removed, RESP_NEEDED },
36: { "Remove-entry", 0, cvs_client_remove_entry, RESP_NEEDED },
1.46 xsa 37: { "Set-static-directory", 0, cvs_client_set_static_directory, RESP_NEEDED },
1.45 xsa 38: { "Clear-static-directory", 0, cvs_client_clear_static_directory, RESP_NEEDED },
39: { "Set-sticky", 0, cvs_client_set_sticky, RESP_NEEDED },
40: { "Clear-sticky", 0, cvs_client_clear_sticky, RESP_NEEDED },
1.29 joris 41:
42: /* unsupported responses until told otherwise */
43: { "New-entry", 0, NULL, 0 },
44: { "Created", 0, NULL, 0 },
45: { "Update-existing", 0, NULL, 0 },
46: { "Rcs-diff", 0, NULL, 0 },
47: { "Patched", 0, NULL, 0 },
48: { "Mode", 0, NULL, 0 },
49: { "Mod-time", 0, NULL, 0 },
50: { "Checksum", 0, NULL, 0 },
51: { "Copy-file", 0, NULL, 0 },
52: { "Template", 0, NULL, 0 },
53: { "Set-checkin-prog", 0, NULL, 0 },
54: { "Set-update-prog", 0, NULL, 0 },
55: { "Notified", 0, NULL, 0 },
56: { "Module-expansion", 0, NULL, 0 },
57: { "Wrapper-rcsOption", 0, NULL, 0 },
58: { "Mbinary", 0, NULL, 0 },
59: { "F", 0, NULL, 0 },
60: { "MT", 0, NULL, 0 },
61: { "", -1, NULL, 0 }
62: };
1.1 jfb 63:
1.29 joris 64: int cvs_server(int, char **);
65: char *cvs_server_path = NULL;
1.1 jfb 66:
1.29 joris 67: static char *server_currentdir = NULL;
68: static char *server_argv[CVS_CMD_MAXARG];
69: static int server_argc = 1;
1.8 joris 70:
1.17 jfb 71: struct cvs_cmd cvs_cmd_server = {
1.29 joris 72: CVS_OP_SERVER, 0, "server", { "", "" },
73: "server mode",
1.17 jfb 74: NULL,
1.29 joris 75: NULL,
76: NULL,
77: cvs_server
1.17 jfb 78: };
1.1 jfb 79:
1.14 joris 80:
1.1 jfb 81: int
82: cvs_server(int argc, char **argv)
83: {
1.29 joris 84: int l;
85: char *cmd, *data;
86: struct cvs_req *req;
87:
88: server_argv[0] = xstrdup("server");
89:
90: cvs_server_path = xmalloc(MAXPATHLEN);
91: l = snprintf(cvs_server_path, MAXPATHLEN, "%s/cvs-serv%d",
92: cvs_tmpdir, getpid());
93: if (l == -1 || l >= MAXPATHLEN)
94: fatal("cvs_server: overflow in server path");
95:
96: if (mkdir(cvs_server_path, 0700) == -1)
97: fatal("failed to create temporary server directory: %s, %s",
98: cvs_server_path, strerror(errno));
99:
100: if (chdir(cvs_server_path) == -1)
101: fatal("failed to change directory to '%s'", cvs_server_path);
102:
103: for (;;) {
104: cmd = cvs_remote_input();
105:
106: if ((data = strchr(cmd, ' ')) != NULL)
107: (*data++) = '\0';
108:
109: req = cvs_remote_get_request_info(cmd);
110: if (req == NULL)
111: fatal("request '%s' is not supported by our server",
112: cmd);
113:
114: if (req->hdlr == NULL)
115: fatal("opencvs server does not support '%s'", cmd);
116:
117: (*req->hdlr)(data);
118: xfree(cmd);
1.14 joris 119: }
120:
1.29 joris 121: return (0);
122: }
123:
124: void
125: cvs_server_send_response(char *fmt, ...)
126: {
127: va_list ap;
128: char *data, *s;
129: struct cvs_resp *resp;
130:
131: va_start(ap, fmt);
132: vasprintf(&data, fmt, ap);
133: va_end(ap);
134:
135: if ((s = strchr(data, ' ')) != NULL)
136: *s = '\0';
137:
138: resp = cvs_remote_get_response_info(data);
139: if (resp == NULL)
140: fatal("'%s' is an unknown response", data);
141:
142: if (resp->supported != 1)
143: fatal("remote cvs client does not support '%s'", data);
1.14 joris 144:
1.29 joris 145: if (s != NULL)
146: *s = ' ';
1.14 joris 147:
1.30 joris 148: cvs_log(LP_TRACE, "%s", data);
1.29 joris 149: cvs_remote_output(data);
150: xfree(data);
151: }
152:
153: void
154: cvs_server_root(char *data)
155: {
156: fatal("duplicate Root request from client, violates the protocol");
157: }
158:
159: void
160: cvs_server_validresp(char *data)
161: {
162: int i;
163: char *sp, *ep;
164: struct cvs_resp *resp;
165:
166: sp = data;
167: do {
168: if ((ep = strchr(sp, ' ')) != NULL)
169: *ep = '\0';
170:
171: resp = cvs_remote_get_response_info(sp);
172: if (resp != NULL)
173: resp->supported = 1;
174:
175: if (ep != NULL)
176: sp = ep + 1;
177: } while (ep != NULL);
178:
179: for (i = 0; cvs_responses[i].supported != -1; i++) {
180: resp = &cvs_responses[i];
181: if ((resp->flags & RESP_NEEDED) &&
182: resp->supported != 1) {
183: fatal("client does not support required '%s'",
184: resp->name);
1.1 jfb 185: }
1.29 joris 186: }
187: }
1.1 jfb 188:
1.29 joris 189: void
190: cvs_server_validreq(char *data)
191: {
192: BUF *bp;
193: char *d;
194: int i, first;
195:
196: first = 0;
197: bp = cvs_buf_alloc(512, BUF_AUTOEXT);
198: for (i = 0; cvs_requests[i].supported != -1; i++) {
199: if (cvs_requests[i].hdlr == NULL)
1.5 jfb 200: continue;
1.1 jfb 201:
1.29 joris 202: if (first != 0)
203: cvs_buf_append(bp, " ", 1);
204: else
205: first++;
206:
207: cvs_buf_append(bp, cvs_requests[i].name,
208: strlen(cvs_requests[i].name));
209: }
210:
211: cvs_buf_putc(bp, '\0');
212: d = cvs_buf_release(bp);
213:
214: cvs_server_send_response("Valid-requests %s", d);
215: cvs_server_send_response("ok");
216: xfree(d);
1.42 xsa 217: }
218:
219: void
1.43 xsa 220: cvs_server_static_directory(char *data)
221: {
222: FILE *fp;
1.51 ! otto 223: char fpath[MAXPATHLEN];
1.43 xsa 224:
225: if (cvs_path_cat(server_currentdir, CVS_PATH_STATICENTRIES, fpath,
226: MAXPATHLEN) >= MAXPATHLEN)
227: fatal("cvs_server_static_directory: truncation");
228:
229: if ((fp = fopen(fpath, "w+")) == NULL) {
230: cvs_log(LP_ERRNO, "%s", fpath);
1.51 ! otto 231: return;
1.43 xsa 232: }
233: (void)fclose(fp);
234: }
235:
236: void
1.42 xsa 237: cvs_server_sticky(char *data)
238: {
239: FILE *fp;
1.51 ! otto 240: char tagpath[MAXPATHLEN];
1.42 xsa 241:
242: if (cvs_path_cat(server_currentdir, CVS_PATH_TAG, tagpath,
243: MAXPATHLEN) >= MAXPATHLEN)
244: fatal("cvs_server_sticky: truncation");
245:
1.43 xsa 246: if ((fp = fopen(tagpath, "w+")) == NULL) {
1.42 xsa 247: cvs_log(LP_ERRNO, "%s", tagpath);
1.51 ! otto 248: return;
1.42 xsa 249: }
250:
251: (void)fprintf(fp, "%s\n", data);
252: (void)fclose(fp);
1.29 joris 253: }
254:
255: void
256: cvs_server_globalopt(char *data)
257: {
1.38 xsa 258: if (!strcmp(data, "-l"))
259: cvs_nolog = 1;
1.29 joris 260:
261: if (!strcmp(data, "-n"))
262: cvs_noexec = 1;
1.38 xsa 263:
264: if (!strcmp(data, "-Q"))
265: verbosity = 0;
266:
267: if (!strcmp(data, "-r"))
268: cvs_readonly = 1;
269:
270: if (!strcmp(data, "-t"))
271: cvs_trace = 1;
1.29 joris 272:
273: if (!strcmp(data, "-V"))
274: verbosity = 2;
1.39 xsa 275: }
276:
277: void
278: cvs_server_set(char *data)
279: {
280: char *ep;
281:
282: ep = strchr(data, '=');
283: if (ep == NULL)
284: fatal("no = in variable assignment");
285:
286: *(ep++) = '\0';
287: if (cvs_var_set(data, ep) < 0)
288: fatal("cvs_server_set: cvs_var_set failed");
1.29 joris 289: }
1.1 jfb 290:
1.29 joris 291: void
292: cvs_server_directory(char *data)
293: {
294: int l;
295: CVSENTRIES *entlist;
1.51 ! otto 296: char *dir, *repo, *parent, entry[CVS_ENT_MAXLINELEN], *dirn, *p;
1.29 joris 297:
298: dir = cvs_remote_input();
1.49 joris 299: STRIP_SLASH(dir);
300:
301: if (strlen(dir) < strlen(current_cvsroot->cr_dir))
1.29 joris 302: fatal("cvs_server_directory: bad Directory request");
303:
1.49 joris 304: repo = dir + strlen(current_cvsroot->cr_dir);
305:
306: /*
307: * This is somewhat required for checkout, as the
308: * directory request will be:
309: *
310: * Directory .
311: * /path/to/cvs/root
312: */
313: if (repo[0] == '\0')
314: p = xstrdup(".");
315: else
316: p = xstrdup(repo + 1);
317:
318: cvs_mkpath(p);
1.29 joris 319:
1.49 joris 320: if ((dirn = basename(p)) == NULL)
1.29 joris 321: fatal("cvs_server_directory: %s", strerror(errno));
322:
1.49 joris 323: if ((parent = dirname(p)) == NULL)
1.29 joris 324: fatal("cvs_server_directory: %s", strerror(errno));
325:
326: if (strcmp(parent, ".")) {
327: entlist = cvs_ent_open(parent);
328: l = snprintf(entry, CVS_ENT_MAXLINELEN, "D/%s////", dirn);
329: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
330: fatal("cvs_server_directory: overflow");
331:
332: cvs_ent_add(entlist, entry);
333: cvs_ent_close(entlist, ENT_SYNC);
1.1 jfb 334: }
335:
1.29 joris 336: if (server_currentdir != NULL)
337: xfree(server_currentdir);
1.49 joris 338: server_currentdir = xstrdup(p);
1.29 joris 339:
1.49 joris 340: xfree(p);
1.29 joris 341: xfree(dir);
342: }
343:
344: void
345: cvs_server_entry(char *data)
346: {
347: CVSENTRIES *entlist;
348:
349: entlist = cvs_ent_open(server_currentdir);
350: cvs_ent_add(entlist, data);
351: cvs_ent_close(entlist, ENT_SYNC);
352: }
353:
354: void
355: cvs_server_modified(char *data)
356: {
1.41 xsa 357: int fd;
1.29 joris 358: size_t flen;
359: mode_t fmode;
360: const char *errstr;
1.51 ! otto 361: char *mode, *len, fpath[MAXPATHLEN];
1.29 joris 362:
363: mode = cvs_remote_input();
364: len = cvs_remote_input();
365:
366: cvs_strtomode(mode, &fmode);
367: xfree(mode);
368:
369: flen = strtonum(len, 0, INT_MAX, &errstr);
370: if (errstr != NULL)
371: fatal("cvs_server_modified: %s", errstr);
372: xfree(len);
373:
1.41 xsa 374: if (cvs_path_cat(server_currentdir, data, fpath, MAXPATHLEN) >=
375: MAXPATHLEN)
376: fatal("cvs_server_modified: truncation");
1.29 joris 377:
378: if ((fd = open(fpath, O_WRONLY | O_CREAT | O_TRUNC)) == -1)
379: fatal("cvs_server_modified: %s: %s", fpath, strerror(errno));
380:
1.48 joris 381: cvs_remote_receive_file(fd, flen);
1.29 joris 382:
383: if (fchmod(fd, 0600) == -1)
384: fatal("cvs_server_modified: failed to set file mode");
385:
386: (void)close(fd);
387: }
388:
389: void
390: cvs_server_useunchanged(char *data)
391: {
392: }
393:
394: void
395: cvs_server_unchanged(char *data)
396: {
1.41 xsa 397: int fd;
1.51 ! otto 398: char fpath[MAXPATHLEN];
1.29 joris 399: CVSENTRIES *entlist;
400: struct cvs_ent *ent;
401: struct timeval tv[2];
402:
1.41 xsa 403: if (cvs_path_cat(server_currentdir, data, fpath, MAXPATHLEN) >=
404: MAXPATHLEN)
405: fatal("cvs_server_unchanged: truncation");
1.29 joris 406:
407: if ((fd = open(fpath, O_RDWR | O_CREAT | O_TRUNC)) == -1)
408: fatal("cvs_server_unchanged: %s: %s", fpath, strerror(errno));
409:
410: entlist = cvs_ent_open(server_currentdir);
411: ent = cvs_ent_get(entlist, data);
412: if (ent == NULL)
413: fatal("received Unchanged request for non-existing file");
414: cvs_ent_close(entlist, ENT_NOSYNC);
415:
416: tv[0].tv_sec = cvs_hack_time(ent->ce_mtime, 0);
417: tv[0].tv_usec = 0;
418: tv[1] = tv[0];
419: if (futimes(fd, tv) == -1)
420: fatal("cvs_server_unchanged: failed to set modified time");
421:
422: if (fchmod(fd, 0600) == -1)
423: fatal("cvs_server_unchanged: failed to set mode");
424:
425: cvs_ent_free(ent);
426: (void)close(fd);
427: }
428:
429: void
430: cvs_server_questionable(char *data)
431: {
432: }
433:
434: void
435: cvs_server_argument(char *data)
436: {
437:
438: if (server_argc > CVS_CMD_MAXARG)
439: fatal("cvs_server_argument: too many arguments sent");
440:
441: server_argv[server_argc++] = xstrdup(data);
1.37 xsa 442: }
443:
444: void
445: cvs_server_argumentx(char *data)
446: {
1.44 xsa 447: }
448:
449: void
450: cvs_server_update_patches(char *data)
451: {
452: /*
453: * This does not actually do anything.
454: * It is used to tell that the server is able to
455: * generate patches when given an `update' request.
456: * The client must issue the -u argument to `update'
457: * to receive patches.
458: */
1.29 joris 459: }
460:
461: void
1.31 xsa 462: cvs_server_add(char *data)
463: {
464: if (chdir(server_currentdir) == -1)
465: fatal("cvs_server_add: %s", strerror(errno));
466:
467: cvs_cmdop = CVS_OP_ADD;
468: cvs_add(server_argc, server_argv);
1.50 joris 469: cvs_server_send_response("ok");
470: }
471:
472: void
473: cvs_server_import(char *data)
474: {
475: if (chdir(server_currentdir) == -1)
476: fatal("cvs_server_import: %s", strerror(errno));
477:
478: cvs_cmdop = CVS_OP_IMPORT;
479: cvs_import(server_argc, server_argv);
1.31 xsa 480: cvs_server_send_response("ok");
481: }
1.35 xsa 482:
483: void
484: cvs_server_admin(char *data)
485: {
486: if (chdir(server_currentdir) == -1)
487: fatal("cvs_server_admin: %s", strerror(errno));
488:
489: cvs_cmdop = CVS_OP_ADMIN;
490: cvs_admin(server_argc, server_argv);
491: cvs_server_send_response("ok");
492: }
493:
1.40 xsa 494: void
495: cvs_server_annotate(char *data)
496: {
497: if (chdir(server_currentdir) == -1)
498: fatal("cvs_server_annotate: %s", strerror(errno));
499:
500: cvs_cmdop = CVS_OP_ANNOTATE;
501: cvs_annotate(server_argc, server_argv);
502: cvs_server_send_response("ok");
503: }
1.31 xsa 504:
505: void
1.29 joris 506: cvs_server_commit(char *data)
507: {
508: if (chdir(server_currentdir) == -1)
509: fatal("cvs_server_commit: %s", strerror(errno));
510:
511: cvs_cmdop = CVS_OP_COMMIT;
512: cvs_commit(server_argc, server_argv);
1.49 joris 513: cvs_server_send_response("ok");
514: }
515:
516: void
517: cvs_server_checkout(char *data)
518: { if (chdir(server_currentdir) == -1)
519: fatal("cvs_server_checkout: %s", strerror(errno));
520:
521: cvs_cmdop = CVS_OP_CHECKOUT;
522: cvs_checkout(server_argc, server_argv);
1.29 joris 523: cvs_server_send_response("ok");
524: }
525:
526: void
527: cvs_server_diff(char *data)
528: {
529: if (chdir(server_currentdir) == -1)
530: fatal("cvs_server_diff: %s", strerror(errno));
531:
532: cvs_cmdop = CVS_OP_DIFF;
533: cvs_diff(server_argc, server_argv);
1.34 xsa 534: cvs_server_send_response("ok");
535: }
536:
537: void
538: cvs_server_init(char *data)
539: {
540: if (chdir(server_currentdir) == -1)
541: fatal("cvs_server_init: %s", strerror(errno));
542:
543: cvs_cmdop = CVS_OP_INIT;
544: cvs_init(server_argc, server_argv);
1.31 xsa 545: cvs_server_send_response("ok");
546: }
547:
548: void
549: cvs_server_remove(char *data)
550: {
551: if (chdir(server_currentdir) == -1)
552: fatal("cvs_server_remove: %s", strerror(errno));
553:
554: cvs_cmdop = CVS_OP_REMOVE;
555: cvs_remove(server_argc, server_argv);
1.29 joris 556: cvs_server_send_response("ok");
557: }
558:
559: void
560: cvs_server_status(char *data)
561: {
562: if (chdir(server_currentdir) == -1)
563: fatal("cvs_server_status: %s", strerror(errno));
564:
565: cvs_cmdop = CVS_OP_STATUS;
566: cvs_status(server_argc, server_argv);
567: cvs_server_send_response("ok");
568: }
569:
570: void
571: cvs_server_log(char *data)
572: {
573: if (chdir(server_currentdir) == -1)
574: fatal("cvs_server_log: %s", strerror(errno));
575:
576: cvs_cmdop = CVS_OP_LOG;
1.32 xsa 577: cvs_getlog(server_argc, server_argv);
578: cvs_server_send_response("ok");
579: }
580:
581: void
582: cvs_server_tag(char *data)
583: {
584: if (chdir(server_currentdir) == -1)
585: fatal("cvs_server_tag: %s", strerror(errno));
586:
587: cvs_cmdop = CVS_OP_TAG;
1.33 xsa 588: cvs_tag(server_argc, server_argv);
1.29 joris 589: cvs_server_send_response("ok");
590: }
591:
592: void
593: cvs_server_update(char *data)
594: {
595: if (chdir(server_currentdir) == -1)
596: fatal("cvs_server_update: %s", strerror(errno));
1.14 joris 597:
1.29 joris 598: cvs_cmdop = CVS_OP_UPDATE;
599: cvs_update(server_argc, server_argv);
1.36 xsa 600: cvs_server_send_response("ok");
601: }
602:
603: void
604: cvs_server_version(char *data)
605: {
606: cvs_cmdop = CVS_OP_VERSION;
607: cvs_version(server_argc, server_argv);
1.29 joris 608: cvs_server_send_response("ok");
1.47 joris 609: }
610:
611: void
612: cvs_server_update_entry(const char *resp, struct cvs_file *cf)
613: {
614: int l;
1.51 ! otto 615: char *p, response[MAXPATHLEN];
1.47 joris 616:
617: if ((p = strrchr(cf->file_rpath, ',')) != NULL)
618: *p = '\0';
619:
620: l = snprintf(response, MAXPATHLEN, "%s %s/", resp, cf->file_wd);
621: if (l == -1 || l >= MAXPATHLEN)
622: fatal("cvs_server_update_entry: overflow");
623:
624: cvs_server_send_response("%s", response);
625: cvs_remote_output(cf->file_rpath);
626:
627: if (p != NULL)
628: *p = ',';
1.1 jfb 629: }
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