Annotation of src/usr.bin/cvs/server.c, Revision 1.27
1.27 ! xsa 1: /* $OpenBSD: server.c,v 1.26 2005/12/24 19:07:52 xsa Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.6 tedu 4: * All rights reserved.
1.1 jfb 5: *
1.6 tedu 6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
1.1 jfb 9: *
1.6 tedu 10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
1.1 jfb 12: * 2. The name of the author may not be used to endorse or promote products
1.6 tedu 13: * derived from this software without specific prior written permission.
1.1 jfb 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
1.6 tedu 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 25: */
26:
1.27 ! xsa 27: #include "includes.h"
1.1 jfb 28:
29: #include "cvs.h"
30: #include "log.h"
1.5 jfb 31: #include "proto.h"
1.1 jfb 32:
33:
34: /* argument vector built by the `Argument' and `Argumentx' requests */
35: char **cvs_args;
1.6 tedu 36: u_int cvs_nbarg = 0;
1.1 jfb 37: u_int cvs_utf8ok = 0;
1.17 jfb 38: u_int cvs_case = 0;
1.8 joris 39:
1.17 jfb 40: struct cvs_cmd cvs_cmd_server = {
41: CVS_OP_SERVER, 0, "server",
42: { },
43: "Server mode",
44: "",
45: "",
46: NULL,
47: 0,
48: NULL, NULL, NULL, NULL, NULL, NULL,
49: 0
50: };
1.1 jfb 51:
1.14 joris 52: char cvs_server_tmpdir[MAXPATHLEN];
53:
1.1 jfb 54: /*
55: * cvs_server()
56: *
57: * Implement the `cvs server' command. As opposed to the general method of
58: * CVS client/server implementation, the cvs program merely acts as a
59: * redirector to the cvs daemon for most of the tasks.
60: *
61: * The `cvs server' command is only used on the server side of a remote
62: * cvs command. With this command, the cvs program starts listening on
63: * standard input for CVS protocol requests.
64: */
65: int
66: cvs_server(int argc, char **argv)
67: {
1.14 joris 68: int l, ret;
1.5 jfb 69: size_t len;
1.9 joris 70: char reqbuf[512];
1.1 jfb 71:
1.25 xsa 72: if (argc != 1)
1.13 joris 73: return (CVS_EX_USAGE);
1.1 jfb 74:
1.5 jfb 75: /* make sure standard in and standard out are line-buffered */
1.23 xsa 76: (void)setvbuf(stdin, NULL, _IOLBF, (size_t)0);
77: (void)setvbuf(stdout, NULL, _IOLBF, (size_t)0);
1.5 jfb 78:
1.14 joris 79: /* create the temporary directory */
80: l = snprintf(cvs_server_tmpdir, sizeof(cvs_server_tmpdir),
1.21 xsa 81: "%s/cvs-serv%d", cvs_tmpdir, getpid());
1.14 joris 82: if (l == -1 || l >= (int)sizeof(cvs_server_tmpdir)) {
83: errno = ENAMETOOLONG;
1.25 xsa 84: fatal("cvs_server: tmpdir path too long: `%s'",
85: cvs_server_tmpdir);
1.14 joris 86: }
87:
1.25 xsa 88: if (mkdir(cvs_server_tmpdir, 0700) == -1)
89: fatal("cvs_server: mkdir: `%s': %s",
90: cvs_server_tmpdir, strerror(errno));
1.14 joris 91:
1.26 xsa 92: cvs_chdir(cvs_server_tmpdir, 1);
1.14 joris 93:
1.1 jfb 94: for (;;) {
1.22 xsa 95: if (fgets(reqbuf, (int)sizeof(reqbuf), stdin) == NULL) {
1.5 jfb 96: if (feof(stdin))
97: break;
1.24 moritz 98: else if (ferror(stdin)) {
1.25 xsa 99: (void)cvs_rmdir(cvs_server_tmpdir);
100: fatal("cvs_server: fgets failed");
1.24 moritz 101: }
1.1 jfb 102: }
103:
1.5 jfb 104: len = strlen(reqbuf);
105: if (len == 0)
106: continue;
107: else if (reqbuf[len - 1] != '\n') {
1.25 xsa 108: (void)cvs_rmdir(cvs_server_tmpdir);
109: fatal("cvs_server: truncated request");
1.5 jfb 110: }
111: reqbuf[--len] = '\0';
1.1 jfb 112:
1.5 jfb 113: cvs_req_handle(reqbuf);
1.1 jfb 114:
115:
116: }
117:
1.14 joris 118: /* cleanup the temporary tree */
1.20 xsa 119: ret = cvs_rmdir(cvs_server_tmpdir);
1.14 joris 120:
121: return (ret);
1.1 jfb 122: }
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