Annotation of src/usr.bin/cvs/cmd.c, Revision 1.20
1.20 ! jfb 1: /* $OpenBSD: cmd.c,v 1.19 2005/05/24 04:12:25 jfb Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2005 Joris Vink <joris@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: #include <sys/param.h>
28: #include <sys/queue.h>
29: #include <sys/time.h>
30:
31: #include <stdlib.h>
32: #include <stdio.h>
33: #include <unistd.h>
34: #include <errno.h>
35: #include <string.h>
36:
37: #include "cvs.h"
38: #include "log.h"
39: #include "rcs.h"
40: #include "proto.h"
41:
1.19 jfb 42:
43: /*
44: * Command dispatch table
45: * ----------------------
46: *
47: * The synopsis field should only contain the list of arguments that the
48: * command supports, without the actual command's name.
49: *
50: * Command handlers are expected to return 0 if no error occurred, or one of
51: * the CVS_EX_* error codes in case of an error. In case the error
52: * returned is 1, the command's usage string is printed to standard
53: * error before returning.
54: */
55: struct cvs_cmd *cvs_cdt[] = {
56: &cvs_cmd_add,
57: &cvs_cmd_admin,
58: &cvs_cmd_annotate,
59: &cvs_cmd_checkout,
60: &cvs_cmd_commit,
61: &cvs_cmd_diff,
62: #if 0
63: &cvs_cmd_edit,
64: &cvs_cmd_editors,
65: &cvs_cmd_export,
66: #endif
67: &cvs_cmd_history,
68: &cvs_cmd_import,
69: &cvs_cmd_init,
70: #if defined(HAVE_KERBEROS)
71: &cvs_cmd_kserver,
72: #endif
73: &cvs_cmd_log,
74: #if 0
75: &cvs_cmd_login,
76: &cvs_cmd_logout,
77: #endif
78: &cvs_cmd_rdiff,
79: &cvs_cmd_release,
80: &cvs_cmd_remove,
81: &cvs_cmd_rlog,
82: &cvs_cmd_rtag,
83: &cvs_cmd_server,
84: &cvs_cmd_status,
85: &cvs_cmd_tag,
86: #if 0
87: &cvs_cmd_unedit,
88: #endif
89: &cvs_cmd_update,
90: &cvs_cmd_version,
91: #if 0
92: &cvs_cmd_watch,
93: &cvs_cmd_watchers,
94: #endif
95: NULL
96: };
97:
98:
99:
100: /*
101: * cvs_findcmd()
102: *
103: * Find the entry in the command dispatch table whose name or one of its
104: * aliases matches <cmd>.
105: * Returns a pointer to the command entry on success, NULL on failure.
106: */
107: struct cvs_cmd*
108: cvs_findcmd(const char *cmd)
109: {
110: int i, j;
111: struct cvs_cmd *cmdp;
112:
113: cmdp = NULL;
114:
115: for (i = 0; (cvs_cdt[i] != NULL) && (cmdp == NULL); i++) {
116: if (strcmp(cmd, cvs_cdt[i]->cmd_name) == 0)
117: cmdp = cvs_cdt[i];
118: else {
119: for (j = 0; j < CVS_CMD_MAXALIAS; j++) {
120: if (strcmp(cmd,
121: cvs_cdt[i]->cmd_alias[j]) == 0) {
122: cmdp = cvs_cdt[i];
123: break;
124: }
125: }
126: }
127: }
128:
129: return (cmdp);
130: }
131:
132: struct cvs_cmd*
133: cvs_findcmdbyreq(int reqid)
134: {
135: int i;
136: struct cvs_cmd *cmdp;
137:
138: cmdp = NULL;
139: for (i = 0; cvs_cdt[i] != NULL; i++)
140: if (cvs_cdt[i]->cmd_req == reqid) {
141: cmdp = cvs_cdt[i];
142: break;
143: }
144:
145: return (cmdp);
146: }
147:
148:
1.1 joris 149: /*
150: * start the execution of a command.
151: */
152: int
153: cvs_startcmd(struct cvs_cmd *cmd, int argc, char **argv)
154: {
155: int i;
156: int ret;
157: struct cvsroot *root;
1.19 jfb 158: int (*ex_hdlr)(CVSFILE *, void *);
1.5 joris 159:
160: /* if the command requested is the server one, just call the
161: * cvs_server() function to handle it, and return after it.
162: */
1.19 jfb 163: if (cmd->cmd_op == CVS_OP_SERVER)
164: return cvs_server(argc, argv);
1.1 joris 165:
1.19 jfb 166: if (cmd->cmd_init != NULL) {
167: if ((ret = (*cmd->cmd_init)(cmd, argc, argv, &i)) != 0)
1.3 joris 168: return (ret);
169:
170: argc -= i;
171: argv += i;
172: }
1.1 joris 173:
1.19 jfb 174: if (!(cmd->cmd_flags & CVS_CMD_ALLOWSPEC) && (argc > 0))
175: return (CVS_EX_USAGE);
1.1 joris 176:
1.17 joris 177: if ((root = cvsroot_get(".")) == NULL)
1.15 jfb 178: return (CVS_EX_BADROOT);
1.18 xsa 179:
1.19 jfb 180: if ((root->cr_method != CVS_METHOD_LOCAL) && (cvs_connect(root) < 0))
181: return (CVS_EX_PROTO);
1.18 xsa 182: if (cvs_trace)
183: cvs_log(LP_TRACE, "cvs_startcmd() CVSROOT=%s", root->cr_str);
1.1 joris 184:
1.19 jfb 185: if (cmd->cmd_pre_exec != NULL) {
186: if ((ret = cmd->cmd_pre_exec(root)) != 0)
187: return (ret);
1.1 joris 188: }
1.6 joris 189:
1.19 jfb 190: if (root->cr_method == CVS_METHOD_LOCAL)
191: ex_hdlr = cmd->cmd_exec_local;
192: else
193: ex_hdlr = cmd->cmd_exec_remote;
194:
195: if (argc > 0) {
196: cvs_files = cvs_file_getspec(argv, argc, cmd->file_flags,
197: ex_hdlr, NULL);
1.17 joris 198: } else {
1.19 jfb 199: cvs_files = cvs_file_get(".", cmd->file_flags,
200: ex_hdlr, NULL);
1.17 joris 201: }
202:
203: if (cvs_files == NULL)
204: return (CVS_EX_DATA);
1.1 joris 205:
1.19 jfb 206: if (cmd->cmd_post_exec != NULL) {
207: if ((ret = cmd->cmd_post_exec(root)) != 0)
208: return (ret);
209: }
210:
1.1 joris 211: if (root->cr_method != CVS_METHOD_LOCAL) {
1.19 jfb 212: if (cmd->cmd_flags & CVS_CMD_SENDDIR) {
1.1 joris 213: if (cvs_senddir(root, cvs_files) < 0)
1.11 joris 214: return (CVS_EX_PROTO);
1.1 joris 215: }
216:
1.19 jfb 217: if (cmd->cmd_flags & CVS_CMD_SENDARGS2) {
1.1 joris 218: for (i = 0; i < argc; i++) {
219: if (cvs_sendarg(root, argv[i], 0) < 0)
1.11 joris 220: return (CVS_EX_PROTO);
1.1 joris 221: }
222: }
223:
1.19 jfb 224: if (cmd->cmd_req != CVS_REQ_NONE && cvs_sendreq(root, cmd->cmd_req,
1.1 joris 225: (cmd->cmd_op == CVS_OP_INIT) ? root->cr_dir : NULL) < 0)
1.11 joris 226: return (CVS_EX_PROTO);
1.1 joris 227: }
1.19 jfb 228:
229: if (cmd->cmd_cleanup != NULL)
230: (*cmd->cmd_cleanup)();
1.1 joris 231:
232: return (0);
233: }
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