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Plug a leak and expand exec also.

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This commit is contained in:
Roy Marples 2008-10-30 17:57:58 +00:00
parent 20380d3144
commit 895c4f4149
1 changed files with 18 additions and 14 deletions
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32
src/rc/start-stop-daemon.c
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@ -501,40 +501,42 @@ static void handle_signal(int sig)
static char *
expand_home(const char *home, const char *path)
{
char *pat, *p, *nh;
char *opath, *ppath, *p, *nh;
size_t len;
struct passwd *pw;
if (!path || *path != '~')
return xstrdup(path);
pat = xstrdup(path);
if (pat[1] != '/' && pat[1] != '\0') {
p = strchr(pat + 1, '/');
opath = ppath = xstrdup(path);
if (ppath[1] != '/' && ppath[1] != '\0') {
p = strchr(ppath + 1, '/');
if (p)
*p = '\0';
pw = getpwnam(pat + 1);
pw = getpwnam(ppath + 1);
if (pw) {
home = pw->pw_dir;
pat = p;
if (pat)
*pat = '/';
ppath = p;
if (ppath)
*ppath = '/';
} else
home = NULL;
} else
pat++;
ppath++;
if (!home) {
free(pat);
free(opath);
return xstrdup(path);
}
if (!pat)
if (!ppath) {
free(opath);
return xstrdup(home);
}
len = strlen(pat) + strlen(home) + 1;
len = strlen(ppath) + strlen(home) + 1;
nh = xmalloc(len);
snprintf(nh, len, "%s%s", home, pat);
free(pat);
snprintf(nh, len, "%s%s", home, ppath);
free(opath);
return nh;
}
@ -892,6 +894,8 @@ int start_stop_daemon(int argc, char **argv)
ch_dir = expand_home(home, ch_dir);
if (ch_root && *ch_root == '~')
ch_root = expand_home(home, ch_root);
if (*exec == '~')
exec = expand_home(home, exec);
/* Validate that the binary exists if we are starting */
if (*exec == '/' || *exec == '.') {