| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * $Id$ |
| 4 | * |
| 5 | * Login shell for an anonymous CVS user |
| 6 | * |
| 7 | * (c) 1999 Mark Wooding |
| 8 | */ |
| 9 | |
| 10 | /*----- Licensing notice --------------------------------------------------* |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License as published by |
| 14 | * the Free Software Foundation; either version 2 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software Foundation, |
| 24 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | */ |
| 26 | |
| 27 | /*----- Header files ------------------------------------------------------*/ |
| 28 | |
| 29 | #include <stdio.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <string.h> |
| 32 | |
| 33 | #include <sys/types.h> |
| 34 | #include <netdb.h> |
| 35 | #include <unistd.h> |
| 36 | #include <pwd.h> |
| 37 | #include <sys/utsname.h> |
| 38 | |
| 39 | /*----- Main code ---------------------------------------------------------*/ |
| 40 | |
| 41 | const static char help[] = "\ |
| 42 | Welcome to the anonymous CVS server.\n\ |
| 43 | \n\ |
| 44 | To use the CVS server, set your `CVSROOT' environment variable to\n\ |
| 45 | `%s@%s:%s', and use the `cvs checkout' and `cvs update'\n\ |
| 46 | commands. See the manual for more information on how to use CVS.\n\ |
| 47 | "; |
| 48 | |
| 49 | void dummy(void) |
| 50 | { |
| 51 | char *p; |
| 52 | char *host; |
| 53 | char *home; |
| 54 | |
| 55 | home = getenv("HOME"); |
| 56 | p = getenv("USER"); |
| 57 | |
| 58 | if (!p || !home) { |
| 59 | struct passwd *pw = getpwuid(getuid()); |
| 60 | if (!p) |
| 61 | p = (pw ? pw->pw_name : "anoncvs"); |
| 62 | if (!home) |
| 63 | home = (pw ? pw->pw_dir : "/cvs"); |
| 64 | } |
| 65 | |
| 66 | { |
| 67 | struct utsname u; |
| 68 | struct hostent *h; |
| 69 | uname(&u); |
| 70 | h = gethostbyname(u.nodename); |
| 71 | if (h) |
| 72 | host = h->h_name; |
| 73 | else |
| 74 | host = u.nodename; |
| 75 | } |
| 76 | |
| 77 | printf(help, p, host, home); |
| 78 | exit(0); |
| 79 | } |
| 80 | |
| 81 | int main(int argc, char *argv[]) |
| 82 | { |
| 83 | if (argc == 2 && (strcmp(argv[1], ".ssh/rc")) == 0) |
| 84 | exit(0); |
| 85 | if (argc != 3 || strcmp(argv[1], "-c") || strcmp(argv[2], "cvs server")) |
| 86 | dummy(); |
| 87 | execl("/bin/cvs", "cvs", "-A", "server", (char *)0); |
| 88 | perror("cvssh (exec)"); |
| 89 | exit(1); |
| 90 | } |
| 91 | |
| 92 | /*----- That's all, folks -------------------------------------------------*/ |