Annotation of src/usr.bin/cvs/server.c, Revision 1.42
1.42 ! xsa 1: /* $OpenBSD: server.c,v 1.41 2006/12/04 09:51:21 xsa 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 },
37:
38: /* unsupported responses until told otherwise */
39: { "New-entry", 0, NULL, 0 },
40: { "Created", 0, NULL, 0 },
41: { "Update-existing", 0, NULL, 0 },
42: { "Rcs-diff", 0, NULL, 0 },
43: { "Patched", 0, NULL, 0 },
44: { "Mode", 0, NULL, 0 },
45: { "Mod-time", 0, NULL, 0 },
46: { "Checksum", 0, NULL, 0 },
47: { "Copy-file", 0, NULL, 0 },
48: { "Set-static-directory", 0, NULL, 0 },
49: { "Clear-static-directory", 0, NULL, 0 },
50: { "Set-sticky", 0, NULL, 0 },
51: { "Clear-sticky", 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
! 220: cvs_server_sticky(char *data)
! 221: {
! 222: FILE *fp;
! 223: char *tagpath;
! 224:
! 225: tagpath = xmalloc(MAXPATHLEN);
! 226: if (cvs_path_cat(server_currentdir, CVS_PATH_TAG, tagpath,
! 227: MAXPATHLEN) >= MAXPATHLEN)
! 228: fatal("cvs_server_sticky: truncation");
! 229:
! 230: if ((fp = fopen(tagpath ,"w+")) == NULL) {
! 231: cvs_log(LP_ERRNO, "%s", tagpath);
! 232: goto out;
! 233: }
! 234:
! 235: (void)fprintf(fp, "%s\n", data);
! 236: (void)fclose(fp);
! 237: out:
! 238: xfree(tagpath);
1.29 joris 239: }
240:
241: void
242: cvs_server_globalopt(char *data)
243: {
1.38 xsa 244: if (!strcmp(data, "-l"))
245: cvs_nolog = 1;
1.29 joris 246:
247: if (!strcmp(data, "-n"))
248: cvs_noexec = 1;
1.38 xsa 249:
250: if (!strcmp(data, "-Q"))
251: verbosity = 0;
252:
253: if (!strcmp(data, "-r"))
254: cvs_readonly = 1;
255:
256: if (!strcmp(data, "-t"))
257: cvs_trace = 1;
1.29 joris 258:
259: if (!strcmp(data, "-V"))
260: verbosity = 2;
1.39 xsa 261: }
262:
263: void
264: cvs_server_set(char *data)
265: {
266: char *ep;
267:
268: ep = strchr(data, '=');
269: if (ep == NULL)
270: fatal("no = in variable assignment");
271:
272: *(ep++) = '\0';
273: if (cvs_var_set(data, ep) < 0)
274: fatal("cvs_server_set: cvs_var_set failed");
1.29 joris 275: }
1.1 jfb 276:
1.29 joris 277: void
278: cvs_server_directory(char *data)
279: {
280: int l;
281: CVSENTRIES *entlist;
282: char *dir, *repo, *parent, *entry, *dirn;
283:
284: dir = cvs_remote_input();
285: if (strlen(dir) < strlen(current_cvsroot->cr_dir) + 1)
286: fatal("cvs_server_directory: bad Directory request");
287:
288: repo = dir + strlen(current_cvsroot->cr_dir) + 1;
289: cvs_mkpath(repo);
290:
291: if ((dirn = basename(repo)) == NULL)
292: fatal("cvs_server_directory: %s", strerror(errno));
293:
294: if ((parent = dirname(repo)) == NULL)
295: fatal("cvs_server_directory: %s", strerror(errno));
296:
297: if (strcmp(parent, ".")) {
298: entlist = cvs_ent_open(parent);
299: entry = xmalloc(CVS_ENT_MAXLINELEN);
300: l = snprintf(entry, CVS_ENT_MAXLINELEN, "D/%s////", dirn);
301: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
302: fatal("cvs_server_directory: overflow");
303:
304: cvs_ent_add(entlist, entry);
305: cvs_ent_close(entlist, ENT_SYNC);
306: xfree(entry);
1.1 jfb 307: }
308:
1.29 joris 309: if (server_currentdir != NULL)
310: xfree(server_currentdir);
311: server_currentdir = xstrdup(repo);
312:
313: xfree(dir);
314: }
315:
316: void
317: cvs_server_entry(char *data)
318: {
319: CVSENTRIES *entlist;
320:
321: entlist = cvs_ent_open(server_currentdir);
322: cvs_ent_add(entlist, data);
323: cvs_ent_close(entlist, ENT_SYNC);
324: }
325:
326: void
327: cvs_server_modified(char *data)
328: {
329: BUF *bp;
1.41 xsa 330: int fd;
1.29 joris 331: size_t flen;
332: mode_t fmode;
333: const char *errstr;
334: char *mode, *len, *fpath;
335:
336: mode = cvs_remote_input();
337: len = cvs_remote_input();
338:
339: cvs_strtomode(mode, &fmode);
340: xfree(mode);
341:
342: flen = strtonum(len, 0, INT_MAX, &errstr);
343: if (errstr != NULL)
344: fatal("cvs_server_modified: %s", errstr);
345: xfree(len);
346:
347: bp = cvs_remote_receive_file(flen);
348:
349: fpath = xmalloc(MAXPATHLEN);
1.41 xsa 350: if (cvs_path_cat(server_currentdir, data, fpath, MAXPATHLEN) >=
351: MAXPATHLEN)
352: fatal("cvs_server_modified: truncation");
1.29 joris 353:
354: if ((fd = open(fpath, O_WRONLY | O_CREAT | O_TRUNC)) == -1)
355: fatal("cvs_server_modified: %s: %s", fpath, strerror(errno));
356:
357: if (cvs_buf_write_fd(bp, fd) == -1)
358: fatal("cvs_server_modified: failed to write file '%s'", fpath);
359:
360: if (fchmod(fd, 0600) == -1)
361: fatal("cvs_server_modified: failed to set file mode");
362:
363: xfree(fpath);
364: (void)close(fd);
365: cvs_buf_free(bp);
366: }
367:
368: void
369: cvs_server_useunchanged(char *data)
370: {
371: }
372:
373: void
374: cvs_server_unchanged(char *data)
375: {
1.41 xsa 376: int fd;
1.29 joris 377: char *fpath;
378: CVSENTRIES *entlist;
379: struct cvs_ent *ent;
380: struct timeval tv[2];
381:
382: fpath = xmalloc(MAXPATHLEN);
1.41 xsa 383: if (cvs_path_cat(server_currentdir, data, fpath, MAXPATHLEN) >=
384: MAXPATHLEN)
385: fatal("cvs_server_unchanged: truncation");
1.29 joris 386:
387: if ((fd = open(fpath, O_RDWR | O_CREAT | O_TRUNC)) == -1)
388: fatal("cvs_server_unchanged: %s: %s", fpath, strerror(errno));
389:
390: entlist = cvs_ent_open(server_currentdir);
391: ent = cvs_ent_get(entlist, data);
392: if (ent == NULL)
393: fatal("received Unchanged request for non-existing file");
394: cvs_ent_close(entlist, ENT_NOSYNC);
395:
396: tv[0].tv_sec = cvs_hack_time(ent->ce_mtime, 0);
397: tv[0].tv_usec = 0;
398: tv[1] = tv[0];
399: if (futimes(fd, tv) == -1)
400: fatal("cvs_server_unchanged: failed to set modified time");
401:
402: if (fchmod(fd, 0600) == -1)
403: fatal("cvs_server_unchanged: failed to set mode");
404:
405: cvs_ent_free(ent);
406: xfree(fpath);
407: (void)close(fd);
408: }
409:
410: void
411: cvs_server_questionable(char *data)
412: {
413: }
414:
415: void
416: cvs_server_argument(char *data)
417: {
418:
419: if (server_argc > CVS_CMD_MAXARG)
420: fatal("cvs_server_argument: too many arguments sent");
421:
422: server_argv[server_argc++] = xstrdup(data);
1.37 xsa 423: }
424:
425: void
426: cvs_server_argumentx(char *data)
427: {
1.29 joris 428: }
429:
430: void
1.31 xsa 431: cvs_server_add(char *data)
432: {
433: if (chdir(server_currentdir) == -1)
434: fatal("cvs_server_add: %s", strerror(errno));
435:
436: cvs_cmdop = CVS_OP_ADD;
437: cvs_add(server_argc, server_argv);
438: cvs_server_send_response("ok");
439: }
1.35 xsa 440:
441: void
442: cvs_server_admin(char *data)
443: {
444: if (chdir(server_currentdir) == -1)
445: fatal("cvs_server_admin: %s", strerror(errno));
446:
447: cvs_cmdop = CVS_OP_ADMIN;
448: cvs_admin(server_argc, server_argv);
449: cvs_server_send_response("ok");
450: }
451:
1.40 xsa 452: void
453: cvs_server_annotate(char *data)
454: {
455: if (chdir(server_currentdir) == -1)
456: fatal("cvs_server_annotate: %s", strerror(errno));
457:
458: cvs_cmdop = CVS_OP_ANNOTATE;
459: cvs_annotate(server_argc, server_argv);
460: cvs_server_send_response("ok");
461: }
1.31 xsa 462:
463: void
1.29 joris 464: cvs_server_commit(char *data)
465: {
466: if (chdir(server_currentdir) == -1)
467: fatal("cvs_server_commit: %s", strerror(errno));
468:
469: cvs_cmdop = CVS_OP_COMMIT;
470: cvs_commit(server_argc, server_argv);
471: cvs_server_send_response("ok");
472: }
473:
474: void
475: cvs_server_diff(char *data)
476: {
477: if (chdir(server_currentdir) == -1)
478: fatal("cvs_server_diff: %s", strerror(errno));
479:
480: cvs_cmdop = CVS_OP_DIFF;
481: cvs_diff(server_argc, server_argv);
1.34 xsa 482: cvs_server_send_response("ok");
483: }
484:
485: void
486: cvs_server_init(char *data)
487: {
488: if (chdir(server_currentdir) == -1)
489: fatal("cvs_server_init: %s", strerror(errno));
490:
491: cvs_cmdop = CVS_OP_INIT;
492: cvs_init(server_argc, server_argv);
1.31 xsa 493: cvs_server_send_response("ok");
494: }
495:
496: void
497: cvs_server_remove(char *data)
498: {
499: if (chdir(server_currentdir) == -1)
500: fatal("cvs_server_remove: %s", strerror(errno));
501:
502: cvs_cmdop = CVS_OP_REMOVE;
503: cvs_remove(server_argc, server_argv);
1.29 joris 504: cvs_server_send_response("ok");
505: }
506:
507: void
508: cvs_server_status(char *data)
509: {
510: if (chdir(server_currentdir) == -1)
511: fatal("cvs_server_status: %s", strerror(errno));
512:
513: cvs_cmdop = CVS_OP_STATUS;
514: cvs_status(server_argc, server_argv);
515: cvs_server_send_response("ok");
516: }
517:
518: void
519: cvs_server_log(char *data)
520: {
521: if (chdir(server_currentdir) == -1)
522: fatal("cvs_server_log: %s", strerror(errno));
523:
524: cvs_cmdop = CVS_OP_LOG;
1.32 xsa 525: cvs_getlog(server_argc, server_argv);
526: cvs_server_send_response("ok");
527: }
528:
529: void
530: cvs_server_tag(char *data)
531: {
532: if (chdir(server_currentdir) == -1)
533: fatal("cvs_server_tag: %s", strerror(errno));
534:
535: cvs_cmdop = CVS_OP_TAG;
1.33 xsa 536: cvs_tag(server_argc, server_argv);
1.29 joris 537: cvs_server_send_response("ok");
538: }
539:
540: void
541: cvs_server_update(char *data)
542: {
543: if (chdir(server_currentdir) == -1)
544: fatal("cvs_server_update: %s", strerror(errno));
1.14 joris 545:
1.29 joris 546: cvs_cmdop = CVS_OP_UPDATE;
547: cvs_update(server_argc, server_argv);
1.36 xsa 548: cvs_server_send_response("ok");
549: }
550:
551: void
552: cvs_server_version(char *data)
553: {
554: cvs_cmdop = CVS_OP_VERSION;
555: cvs_version(server_argc, server_argv);
1.29 joris 556: cvs_server_send_response("ok");
1.1 jfb 557: }
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