Fix obvious subscript-out-of-range error.

[ppp.git] / pppd / plugins / passprompt.c

diff --git a/pppd/plugins/passprompt.c b/pppd/plugins/passprompt.c
index a579b912e70cfec5140b5396192b0e05ae3c4eb2..1d885fcea53ba53fa732381ad69be3737def9ad5 100644 (file)
--- a/pppd/plugins/passprompt.c
+++ b/pppd/plugins/passprompt.c
@@ -14,6 +14,8 @@
 #include <syslog.h>
 #include "pppd.h"
 
+char pppd_version[] = VERSION;
+
 static char promptprog[PATH_MAX+1];
 
 static option_t options[] = {
@@ -28,7 +30,7 @@ static int promptpass(char *user, char *passwd)
     int p[2];
     pid_t kid;
     int readgood, wstat;
-    size_t red;
+    ssize_t red;
 
     if (promptprog[0] == 0 || access(promptprog, X_OK) < 0)
        return -1;      /* sorry, can't help */
@@ -48,7 +50,7 @@ static int promptpass(char *user, char *passwd)
     }
     if (!kid) {
        /* we are the child, exec the program */
-       char *argv[4], fdstr[32];
+       char *argv[5], fdstr[32];
        sys_close();
        closelog();
        close(p[0]);
@@ -72,6 +74,8 @@ static int promptpass(char *user, char *passwd)
        if (red == 0)
            break;
        if (red < 0) {
+           if (errno == EINTR)
+               continue;
            error("Can't read secret from %s: %m", promptprog);
            readgood = -1;
            break;