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-rw-r--r--source4/utils/ntlm_auth.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/source4/utils/ntlm_auth.c b/source4/utils/ntlm_auth.c
index 162470dd95..f999995daf 100644
--- a/source4/utils/ntlm_auth.c
+++ b/source4/utils/ntlm_auth.c
@@ -38,7 +38,8 @@
#include "lib/messaging/irpc.h"
#include "auth/ntlmssp/ntlmssp.h"
-#define INITIAL_BUFFER_SIZE 200
+#define INITIAL_BUFFER_SIZE 300
+#define MAX_BUFFER_SIZE 63000
enum stdio_helper_mode {
SQUID_2_4_BASIC,
@@ -871,7 +872,7 @@ static void manage_squid_request(enum stdio_helper_mode helper_mode,
char *buf;
char tmp[INITIAL_BUFFER_SIZE+1];
unsigned int mux_id = 0;
- int length;
+ int length, buf_size = 0;
char *c;
struct mux_private {
unsigned int max_mux;
@@ -907,6 +908,15 @@ static void manage_squid_request(enum stdio_helper_mode helper_mode,
}
buf = talloc_append_string(buf, buf, tmp);
+ buf_size += INITIAL_BUFFER_SIZE;
+
+ if (buf_size > MAX_BUFFER_SIZE) {
+ DEBUG(0, ("Invalid Request (too large)\n"));
+ x_fprintf(x_stdout, "ERR\n");
+ talloc_free(buf);
+ return;
+ }
+
c = strchr(buf, '\n');
} while (c == NULL);