X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Foptions.c;h=a85239abb0c523908e2e51d69d2b296b79754fb2;hb=18d1bf125b75c5211aefd678c36d622fef28f59f;hp=5c9d3a0d9534345460c7dc247521506d59bd630d;hpb=bf69479845b0dc57e75423be4dd2491cadda1f89;p=ppp.git diff --git a/pppd/options.c b/pppd/options.c index 5c9d3a0..a85239a 100644 --- a/pppd/options.c +++ b/pppd/options.c @@ -40,7 +40,7 @@ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define RCSID "$Id: options.c,v 1.99 2006/06/04 07:04:57 paulus Exp $" +#define RCSID "$Id: options.c,v 1.100 2006/06/18 11:26:00 paulus Exp $" #include #include @@ -399,17 +399,19 @@ options_from_file(filename, must_exist, check_prot, priv) option_t *opt; int oldpriv, n; char *oldsource; + uid_t euid; char *argv[MAXARGS]; char args[MAXARGS][MAXWORDLEN]; char cmd[MAXWORDLEN]; + euid = geteuid(); if (check_prot && seteuid(getuid()) == -1) { option_error("unable to drop privileges to open %s: %m", filename); return 0; } f = fopen(filename, "r"); err = errno; - if (check_prot && seteuid(0) == -1) + if (check_prot && seteuid(euid) == -1) fatal("unable to regain privileges"); if (f == NULL) { errno = err; @@ -1512,7 +1514,9 @@ setlogfile(argv) char **argv; { int fd, err; + uid_t euid; + euid = geteuid(); if (!privileged_option && seteuid(getuid()) == -1) { option_error("unable to drop permissions to open %s: %m", *argv); return 0; @@ -1521,7 +1525,7 @@ setlogfile(argv) if (fd < 0 && errno == EEXIST) fd = open(*argv, O_WRONLY | O_APPEND); err = errno; - if (!privileged_option && seteuid(0) == -1) + if (!privileged_option && seteuid(euid) == -1) fatal("unable to regain privileges: %m"); if (fd < 0) { errno = err;