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1 | /* -*-c-*- |
2 | * |
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3 | * $Id$ |
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4 | * |
5 | * Login shell for an anonymous CVS user |
6 | * |
7 | * (c) 1999 Mark Wooding |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
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12 | * This program is free software; you can redistribute it and/or modify |
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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 | * |
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17 | * This program is distributed in the hope that it will be useful, |
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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 |
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23 | * along with this program; if not, write to the Free Software Foundation, |
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24 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
25 | */ |
26 | |
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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 -------------------------------------------------*/ |