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-rw-r--r--src/suauth.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/suauth.c b/src/suauth.c
index 2641d33..4d63190 100644
--- a/src/suauth.c
+++ b/src/suauth.c
@@ -68,8 +68,9 @@ int check_su_auth (const char *actual_id,
while (fgets (temp, sizeof (temp), authfile_fd) != NULL) {
lines++;
+ endline = strlen(temp) - 1;
- if (temp[endline = strlen (temp) - 1] != '\n') {
+ if (temp[0] == '\0' || temp[endline] != '\n') {
SYSLOG ((LOG_ERR,
"%s, line %d: line too long or missing newline",
SUAUTHFILE, lines));
@@ -91,9 +92,9 @@ int check_su_auth (const char *actual_id,
continue;
}
if (!(to_users = strtok (temp + posn, field))
- || !(from_users = strtok ((char *) NULL, field))
- || !(action = strtok ((char *) NULL, field))
- || strtok ((char *) NULL, field)) {
+ || !(from_users = strtok (NULL, field))
+ || !(action = strtok (NULL, field))
+ || strtok (NULL, field)) {
SYSLOG ((LOG_ERR,
"%s, line %d. Bad number of fields.\n",
SUAUTHFILE, lines));