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Annotation of src/usr.bin/cvs/server.c, Revision 1.10

1.10    ! xsa         1: /*     $OpenBSD: server.c,v 1.9 2005/04/01 09:52:39 joris 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:
                     27: #include <sys/types.h>
                     28:
                     29: #include <stdlib.h>
                     30: #include <stdio.h>
                     31: #include <unistd.h>
                     32: #include <errno.h>
                     33: #include <string.h>
                     34: #include <paths.h>
                     35: #include <sysexits.h>
                     36:
                     37: #include "cvs.h"
                     38: #include "log.h"
1.5       jfb        39: #include "proto.h"
1.1       jfb        40:
                     41:
                     42: /* argument vector built by the `Argument' and `Argumentx' requests */
                     43: char   **cvs_args;
1.6       tedu       44: u_int   cvs_nbarg = 0;
1.1       jfb        45: u_int   cvs_utf8ok = 0;
                     46: u_int   cvs_case   = 0;
1.8       joris      47:
                     48: struct cvs_cmd_info cmd_server = {
                     49:        NULL, NULL, NULL, NULL, NULL, 0, 0, 0 };
1.1       jfb        50:
                     51: /*
                     52:  * cvs_server()
                     53:  *
                     54:  * Implement the `cvs server' command.  As opposed to the general method of
                     55:  * CVS client/server implementation, the cvs program merely acts as a
                     56:  * redirector to the cvs daemon for most of the tasks.
                     57:  *
                     58:  * The `cvs server' command is only used on the server side of a remote
                     59:  * cvs command.  With this command, the cvs program starts listening on
                     60:  * standard input for CVS protocol requests.
                     61:  */
                     62: int
                     63: cvs_server(int argc, char **argv)
                     64: {
1.5       jfb        65:        size_t len;
1.9       joris      66:        char reqbuf[512];
1.1       jfb        67:
                     68:        if (argc != 1) {
                     69:                return (EX_USAGE);
                     70:        }
                     71:
1.5       jfb        72:        /* make sure standard in and standard out are line-buffered */
                     73:        (void)setvbuf(stdin, NULL, _IOLBF, 0);
                     74:        (void)setvbuf(stdout, NULL, _IOLBF, 0);
                     75:
1.1       jfb        76:        for (;;) {
1.5       jfb        77:                if (fgets(reqbuf, sizeof(reqbuf), stdin) == NULL) {
                     78:                        if (feof(stdin))
                     79:                                break;
                     80:                        else if (ferror(stdin))
1.10    ! xsa        81:                                return (-1);
1.1       jfb        82:                }
                     83:
1.5       jfb        84:                len = strlen(reqbuf);
                     85:                if (len == 0)
                     86:                        continue;
                     87:                else if (reqbuf[len - 1] != '\n') {
                     88:                        cvs_log(LP_ERR, "truncated request");
1.10    ! xsa        89:                        return (-1);
1.5       jfb        90:                }
                     91:                reqbuf[--len] = '\0';
1.1       jfb        92:
1.5       jfb        93:                cvs_req_handle(reqbuf);
1.1       jfb        94:
                     95:
                     96:        }
                     97:
                     98:        return (0);
                     99: }