pppd/options.c: handle malloc failure (#425)

Signed-off-by: Ilya Shipitsin <chipitsine@gmail.com>

diff --git a/pppd/options.c b/pppd/options.c
index 42e39b8ea96c53950c71c69218d5a5803f2749c4..4b3e93ed1fbdc93c07d2847e58e230d837619c89 100644 (file)
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -1842,6 +1842,10 @@ user_setenv(char **argv)
     /* The name never changes, so allocate it with the structure */
     if (uep == NULL) {
        uep = malloc(sizeof (*uep) + (eqp-arg));
+       if (uep == NULL) {
+               novm("environment variable");
+               return 1;
+       }
        strncpy(uep->ue_name, arg, eqp-arg);
        uep->ue_name[eqp-arg] = '\0';
        uep->ue_next = NULL;
@@ -1911,6 +1915,10 @@ user_unsetenv(char **argv)
     /* The name never changes, so allocate it with the structure */
     if (uep == NULL) {
        uep = malloc(sizeof (*uep) + strlen(arg));
+       if (uep == NULL) {
+               novm("environment variable");
+               return 1;
+       }
        strcpy(uep->ue_name, arg);
        uep->ue_next = NULL;
        insp = &userenv_list;