pppd: Avoid use of strnlen (and strlen) in vslprintf

[ppp.git] / pppd / options.c

diff --git a/pppd/options.c b/pppd/options.c
index 177488ca681392c3971e432642c7e97a0638a894..f1d2dc9ddf36947df03d864c47241a6bb34def32 100644 (file)
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -79,7 +79,6 @@
 char *strdup __P((char *));
 #endif
 
-static const char rcsid[] = RCSID;
 
 struct option_value {
     struct option_value *next;
@@ -97,6 +96,9 @@ char  devnam[MAXPATHLEN];     /* Device name */
 bool   nodetach = 0;           /* Don't detach from controlling tty */
 bool   updetach = 0;           /* Detach once link is up */
 bool   master_detach;          /* Detach when we're (only) multilink master */
+#ifdef SYSTEMD
+bool   up_sdnotify = 0;        /* Notify systemd once link is up */
+#endif
 int    maxconnect = 0;         /* Maximum connect time */
 char   user[MAXNAMELEN];       /* Username for PAP */
 char   passwd[MAXSECRETLEN];   /* Password for PAP */
@@ -209,6 +211,11 @@ option_t general_options[] = {
       "Don't detach from controlling tty", OPT_PRIO | 1 },
     { "-detach", o_bool, &nodetach,
       "Don't detach from controlling tty", OPT_ALIAS | OPT_PRIOSUB | 1 },
+#ifdef SYSTEMD
+    { "up_sdnotify", o_bool, &up_sdnotify,
+      "Notify systemd once link is up (implies nodetach)",
+      OPT_PRIOSUB | OPT_A2COPY | 1, &nodetach },
+#endif
     { "updetach", o_bool, &updetach,
       "Detach from controlling tty once link is up",
       OPT_PRIOSUB | OPT_A2CLR | 1, &nodetach },
@@ -984,7 +991,7 @@ print_option(opt, mainopt, printer, arg)
                        p = (char *) opt->addr2;
                        if ((opt->flags & OPT_STATIC) == 0)
                                p = *(char **)p;
-                       printer("%q", p);
+                       printer(arg, "%q", p);
                } else if (opt->flags & OPT_A2LIST) {
                        struct option_value *ovp;
 
@@ -1350,6 +1357,7 @@ getword(f, word, newlinep, filename)
 
        c = getc(f);
     }
+    word[MAXWORDLEN-1] = 0;    /* make sure word is null-terminated */
 
     /*
      * End of the word: check for errors.
@@ -1745,7 +1753,7 @@ user_unsetenv(argv)
        option_error("unexpected = in name: %s", arg);
        return 0;
     }
-    if (arg == '\0') {
+    if (*arg == '\0') {
        option_error("missing variable name for unset");
        return 0;
     }