Initial version of doldacond-shell
[doldaconnect.git] / clients / gui-shell / launch.c
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1/*
2 * Dolda Connect - Modular multiuser Direct Connect-style client
3 * Copyright (C) 2007 Fredrik Tolf <fredrik@dolda2000.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/
19
20#include <stdlib.h>
21#include <stdio.h>
22#include <unistd.h>
23#include <string.h>
24#include <pwd.h>
25#include <libintl.h>
ec985ce4 26#include <signal.h>
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27
28#ifdef HAVE_CONFIG_H
29#include <config.h>
30#endif
31
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32int running(char *pf)
33{
34 FILE *pfs;
35 char buf[1024];
36 int pid;
37
38 if((pfs = fopen(pf, "r")) == NULL) {
39 perror(pf);
40 return(0);
41 }
42 fgets(buf, sizeof(buf), pfs);
43 fclose(pfs);
44 if((pid = atoi(buf)) == 0)
45 return(0);
46 return(!kill(pid, 0));
47}
48
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49int main(int argc, char **argv)
50{
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51 char cf[1024], pf[1024];
52
53 if(getenv("HOME") != NULL)
54 snprintf(cf, sizeof(cf), "%s/.doldacond.conf", getenv("HOME"));
55 else
56 snprintf(cf, sizeof(cf), "%s/.doldacond.conf", getpwuid(getuid())->pw_dir);
57 if(getenv("HOME") != NULL)
58 snprintf(pf, sizeof(pf), "%s/.doldacond.pid", getenv("HOME"));
59 else
60 snprintf(pf, sizeof(pf), "%s/.doldacond.pid", getpwuid(getuid())->pw_dir);
61 if(access(cf, F_OK)) {
62 execlp("dolconf", "dolconf", "-a", NULL);
63 perror("dolconf");
64 } else if(access(pf, F_OK) || !running(pf)) {
65 execlp("doldacond-shell", "doldacond-shell", NULL);
66 perror("doldacond-shell");
67 } else {
68 execlp("dolcon", "dolcon", NULL);
69 perror("dolcon");
70 }
71 return(127);
f7a57385 72}