Annotation of src/usr.bin/cvs/server.c, Revision 1.40
1.40 ! xsa 1: /* $OpenBSD: server.c,v 1.39 2006/11/14 15:39:42 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);
217: }
218:
219: void
220: cvs_server_globalopt(char *data)
221: {
1.38 xsa 222: if (!strcmp(data, "-l"))
223: cvs_nolog = 1;
1.29 joris 224:
225: if (!strcmp(data, "-n"))
226: cvs_noexec = 1;
1.38 xsa 227:
228: if (!strcmp(data, "-Q"))
229: verbosity = 0;
230:
231: if (!strcmp(data, "-r"))
232: cvs_readonly = 1;
233:
234: if (!strcmp(data, "-t"))
235: cvs_trace = 1;
1.29 joris 236:
237: if (!strcmp(data, "-V"))
238: verbosity = 2;
1.39 xsa 239: }
240:
241: void
242: cvs_server_set(char *data)
243: {
244: char *ep;
245:
246: ep = strchr(data, '=');
247: if (ep == NULL)
248: fatal("no = in variable assignment");
249:
250: *(ep++) = '\0';
251: if (cvs_var_set(data, ep) < 0)
252: fatal("cvs_server_set: cvs_var_set failed");
1.29 joris 253: }
1.1 jfb 254:
1.29 joris 255: void
256: cvs_server_directory(char *data)
257: {
258: int l;
259: CVSENTRIES *entlist;
260: char *dir, *repo, *parent, *entry, *dirn;
261:
262: dir = cvs_remote_input();
263: if (strlen(dir) < strlen(current_cvsroot->cr_dir) + 1)
264: fatal("cvs_server_directory: bad Directory request");
265:
266: repo = dir + strlen(current_cvsroot->cr_dir) + 1;
267: cvs_mkpath(repo);
268:
269: if ((dirn = basename(repo)) == NULL)
270: fatal("cvs_server_directory: %s", strerror(errno));
271:
272: if ((parent = dirname(repo)) == NULL)
273: fatal("cvs_server_directory: %s", strerror(errno));
274:
275: if (strcmp(parent, ".")) {
276: entlist = cvs_ent_open(parent);
277: entry = xmalloc(CVS_ENT_MAXLINELEN);
278: l = snprintf(entry, CVS_ENT_MAXLINELEN, "D/%s////", dirn);
279: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
280: fatal("cvs_server_directory: overflow");
281:
282: cvs_ent_add(entlist, entry);
283: cvs_ent_close(entlist, ENT_SYNC);
284: xfree(entry);
1.1 jfb 285: }
286:
1.29 joris 287: if (server_currentdir != NULL)
288: xfree(server_currentdir);
289: server_currentdir = xstrdup(repo);
290:
291: xfree(dir);
292: }
293:
294: void
295: cvs_server_entry(char *data)
296: {
297: CVSENTRIES *entlist;
298:
299: entlist = cvs_ent_open(server_currentdir);
300: cvs_ent_add(entlist, data);
301: cvs_ent_close(entlist, ENT_SYNC);
302: }
303:
304: void
305: cvs_server_modified(char *data)
306: {
307: BUF *bp;
308: int fd, l;
309: size_t flen;
310: mode_t fmode;
311: const char *errstr;
312: char *mode, *len, *fpath;
313:
314: mode = cvs_remote_input();
315: len = cvs_remote_input();
316:
317: cvs_strtomode(mode, &fmode);
318: xfree(mode);
319:
320: flen = strtonum(len, 0, INT_MAX, &errstr);
321: if (errstr != NULL)
322: fatal("cvs_server_modified: %s", errstr);
323: xfree(len);
324:
325: bp = cvs_remote_receive_file(flen);
326:
327: fpath = xmalloc(MAXPATHLEN);
328: l = snprintf(fpath, MAXPATHLEN, "%s/%s", server_currentdir, data);
329: if (l == -1 || l >= MAXPATHLEN)
330: fatal("cvs_server_modified: overflow");
331:
332: if ((fd = open(fpath, O_WRONLY | O_CREAT | O_TRUNC)) == -1)
333: fatal("cvs_server_modified: %s: %s", fpath, strerror(errno));
334:
335: if (cvs_buf_write_fd(bp, fd) == -1)
336: fatal("cvs_server_modified: failed to write file '%s'", fpath);
337:
338: if (fchmod(fd, 0600) == -1)
339: fatal("cvs_server_modified: failed to set file mode");
340:
341: xfree(fpath);
342: (void)close(fd);
343: cvs_buf_free(bp);
344: }
345:
346: void
347: cvs_server_useunchanged(char *data)
348: {
349: }
350:
351: void
352: cvs_server_unchanged(char *data)
353: {
354: int l, fd;
355: char *fpath;
356: CVSENTRIES *entlist;
357: struct cvs_ent *ent;
358: struct timeval tv[2];
359:
360: fpath = xmalloc(MAXPATHLEN);
361: l = snprintf(fpath, MAXPATHLEN, "%s/%s", server_currentdir, data);
362: if (l == -1 || l >= MAXPATHLEN)
363: fatal("cvs_server_unchanged: overflow");
364:
365: if ((fd = open(fpath, O_RDWR | O_CREAT | O_TRUNC)) == -1)
366: fatal("cvs_server_unchanged: %s: %s", fpath, strerror(errno));
367:
368: entlist = cvs_ent_open(server_currentdir);
369: ent = cvs_ent_get(entlist, data);
370: if (ent == NULL)
371: fatal("received Unchanged request for non-existing file");
372: cvs_ent_close(entlist, ENT_NOSYNC);
373:
374: tv[0].tv_sec = cvs_hack_time(ent->ce_mtime, 0);
375: tv[0].tv_usec = 0;
376: tv[1] = tv[0];
377: if (futimes(fd, tv) == -1)
378: fatal("cvs_server_unchanged: failed to set modified time");
379:
380: if (fchmod(fd, 0600) == -1)
381: fatal("cvs_server_unchanged: failed to set mode");
382:
383: cvs_ent_free(ent);
384: xfree(fpath);
385: (void)close(fd);
386: }
387:
388: void
389: cvs_server_questionable(char *data)
390: {
391: }
392:
393: void
394: cvs_server_argument(char *data)
395: {
396:
397: if (server_argc > CVS_CMD_MAXARG)
398: fatal("cvs_server_argument: too many arguments sent");
399:
400: server_argv[server_argc++] = xstrdup(data);
1.37 xsa 401: }
402:
403: void
404: cvs_server_argumentx(char *data)
405: {
1.29 joris 406: }
407:
408: void
1.31 xsa 409: cvs_server_add(char *data)
410: {
411: if (chdir(server_currentdir) == -1)
412: fatal("cvs_server_add: %s", strerror(errno));
413:
414: cvs_cmdop = CVS_OP_ADD;
415: cvs_add(server_argc, server_argv);
416: cvs_server_send_response("ok");
417: }
1.35 xsa 418:
419: void
420: cvs_server_admin(char *data)
421: {
422: if (chdir(server_currentdir) == -1)
423: fatal("cvs_server_admin: %s", strerror(errno));
424:
425: cvs_cmdop = CVS_OP_ADMIN;
426: cvs_admin(server_argc, server_argv);
427: cvs_server_send_response("ok");
428: }
429:
1.40 ! xsa 430: void
! 431: cvs_server_annotate(char *data)
! 432: {
! 433: if (chdir(server_currentdir) == -1)
! 434: fatal("cvs_server_annotate: %s", strerror(errno));
! 435:
! 436: cvs_cmdop = CVS_OP_ANNOTATE;
! 437: cvs_annotate(server_argc, server_argv);
! 438: cvs_server_send_response("ok");
! 439: }
1.31 xsa 440:
441: void
1.29 joris 442: cvs_server_commit(char *data)
443: {
444: if (chdir(server_currentdir) == -1)
445: fatal("cvs_server_commit: %s", strerror(errno));
446:
447: cvs_cmdop = CVS_OP_COMMIT;
448: cvs_commit(server_argc, server_argv);
449: cvs_server_send_response("ok");
450: }
451:
452: void
453: cvs_server_diff(char *data)
454: {
455: if (chdir(server_currentdir) == -1)
456: fatal("cvs_server_diff: %s", strerror(errno));
457:
458: cvs_cmdop = CVS_OP_DIFF;
459: cvs_diff(server_argc, server_argv);
1.34 xsa 460: cvs_server_send_response("ok");
461: }
462:
463: void
464: cvs_server_init(char *data)
465: {
466: if (chdir(server_currentdir) == -1)
467: fatal("cvs_server_init: %s", strerror(errno));
468:
469: cvs_cmdop = CVS_OP_INIT;
470: cvs_init(server_argc, server_argv);
1.31 xsa 471: cvs_server_send_response("ok");
472: }
473:
474: void
475: cvs_server_remove(char *data)
476: {
477: if (chdir(server_currentdir) == -1)
478: fatal("cvs_server_remove: %s", strerror(errno));
479:
480: cvs_cmdop = CVS_OP_REMOVE;
481: cvs_remove(server_argc, server_argv);
1.29 joris 482: cvs_server_send_response("ok");
483: }
484:
485: void
486: cvs_server_status(char *data)
487: {
488: if (chdir(server_currentdir) == -1)
489: fatal("cvs_server_status: %s", strerror(errno));
490:
491: cvs_cmdop = CVS_OP_STATUS;
492: cvs_status(server_argc, server_argv);
493: cvs_server_send_response("ok");
494: }
495:
496: void
497: cvs_server_log(char *data)
498: {
499: if (chdir(server_currentdir) == -1)
500: fatal("cvs_server_log: %s", strerror(errno));
501:
502: cvs_cmdop = CVS_OP_LOG;
1.32 xsa 503: cvs_getlog(server_argc, server_argv);
504: cvs_server_send_response("ok");
505: }
506:
507: void
508: cvs_server_tag(char *data)
509: {
510: if (chdir(server_currentdir) == -1)
511: fatal("cvs_server_tag: %s", strerror(errno));
512:
513: cvs_cmdop = CVS_OP_TAG;
1.33 xsa 514: cvs_tag(server_argc, server_argv);
1.29 joris 515: cvs_server_send_response("ok");
516: }
517:
518: void
519: cvs_server_update(char *data)
520: {
521: if (chdir(server_currentdir) == -1)
522: fatal("cvs_server_update: %s", strerror(errno));
1.14 joris 523:
1.29 joris 524: cvs_cmdop = CVS_OP_UPDATE;
525: cvs_update(server_argc, server_argv);
1.36 xsa 526: cvs_server_send_response("ok");
527: }
528:
529: void
530: cvs_server_version(char *data)
531: {
532: cvs_cmdop = CVS_OP_VERSION;
533: cvs_version(server_argc, server_argv);
1.29 joris 534: cvs_server_send_response("ok");
1.1 jfb 535: }
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