X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Foptions.c;h=cc7002352b330a7db1dee2a76b11b625aee43c74;hb=19c50963be5aee5883814a042a60973617dc2768;hp=4407cefa16adbdc272b09206ce490c6bbbf5663d;hpb=bfa20ccde2a70b1252dbb614132f1a4cbee815d4;p=ppp.git

diff --git a/pppd/options.c b/pppd/options.c
index 4407cef..cc70023 100644
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: options.c,v 1.44 1998/11/07 06:59:28 paulus Exp $";
+static char rcsid[] = "$Id: options.c,v 1.49 1999/03/08 01:47:24 paulus Exp $";
 #endif
 
 #include <ctype.h>
@@ -133,7 +133,6 @@ static int setactivefilter __P((char **));
 static option_t *find_option __P((char *name));
 static int process_option __P((option_t *, char **));
 static int n_arguments __P((option_t *));
-static int readable __P((int fd));
 
 /*
  * Valid arguments.
@@ -223,7 +222,7 @@ option_t general_options[] = {
 #endif
 
 static char *usage_string = "\
-pppd version %s patch level %d%s\n\
+pppd version %s.%d%s\n\
 Usage: %s [ options ], where options are:\n\
 	<device>	Communicate over the named device\n\
 	<speed>		Set the baud rate to <speed>\n\
@@ -304,6 +303,7 @@ scan_args(argc, argv)
     char *arg;
     option_t *opt;
 
+    privileged_option = privileged;
     while (argc > 0) {
 	arg = *argv++;
 	--argc;
@@ -342,17 +342,24 @@ options_from_file(filename, must_exist, check_prot, priv)
     char args[MAXARGS][MAXWORDLEN];
     char cmd[MAXWORDLEN];
 
-    if ((f = fopen(filename, "r")) == NULL) {
+    if (check_prot)
+	seteuid(getuid());
+    f = fopen(filename, "r");
+    if (check_prot)
+	seteuid(0);
+    if (f == NULL) {
 	if (!must_exist && errno == ENOENT)
 	    return 1;
 	option_error("Can't open options file %s: %m", filename);
 	return 0;
     }
+#if 0	/* check done by setting effective UID above */
     if (check_prot && !readable(fileno(f))) {
 	option_error("Can't open options file %s: access denied", filename);
 	fclose(f);
 	return 0;
     }
+#endif
 
     oldpriv = privileged_option;
     privileged_option = priv;
@@ -649,7 +656,7 @@ showversion(argv)
     char **argv;
 {
     if (phase == PHASE_INITIALIZE) {
-	fprintf(stderr, "pppd version %s patch level %d%s\n",
+	fprintf(stderr, "pppd version %s.%d%s\n",
 		VERSION, PATCHLEVEL, IMPLEMENTATION);
 	exit(0);
     }
@@ -684,7 +691,7 @@ option_error __V((char *fmt, ...))
 /*
  * readable - check if a file is readable by the real user.
  */
-static int
+int
 readable(fd)
     int fd;
 {