diff options
| -rw-r--r-- | src/backend/libpq/auth.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c index 936a7ccae57..5b63d297606 100644 --- a/src/backend/libpq/auth.c +++ b/src/backend/libpq/auth.c @@ -2168,13 +2168,15 @@ CheckCertAuth(Port *port) */ /* - * RADIUS authentication is described in RFC2865 (and several - * others). + * RADIUS authentication is described in RFC2865 (and several others). */ #define RADIUS_VECTOR_LENGTH 16 #define RADIUS_HEADER_LENGTH 20 +/* Maximum size of a RADIUS packet we will create or accept */ +#define RADIUS_BUFFER_SIZE 1024 + typedef struct { uint8 attribute; @@ -2188,6 +2190,8 @@ typedef struct uint8 id; uint16 length; uint8 vector[RADIUS_VECTOR_LENGTH]; + /* this is a bit longer than strictly necessary: */ + char pad[RADIUS_BUFFER_SIZE - RADIUS_VECTOR_LENGTH]; } radius_packet; /* RADIUS packet types */ @@ -2204,9 +2208,6 @@ typedef struct /* RADIUS service types */ #define RADIUS_AUTHENTICATE_ONLY 8 -/* Maximum size of a RADIUS packet we will create or accept */ -#define RADIUS_BUFFER_SIZE 1024 - /* Seconds to wait - XXX: should be in a config variable! */ #define RADIUS_TIMEOUT 3 @@ -2241,10 +2242,12 @@ CheckRADIUSAuth(Port *port) { char *passwd; char *identifier = "postgresql"; - char radius_buffer[RADIUS_BUFFER_SIZE]; - char receive_buffer[RADIUS_BUFFER_SIZE]; - radius_packet *packet = (radius_packet *) radius_buffer; - radius_packet *receivepacket = (radius_packet *) receive_buffer; + radius_packet radius_send_pack; + radius_packet radius_recv_pack; + radius_packet *packet = &radius_send_pack; + radius_packet *receivepacket = &radius_recv_pack; + char *radius_buffer = (char *) &radius_send_pack; + char *receive_buffer = (char *) &radius_recv_pack; int32 service = htonl(RADIUS_AUTHENTICATE_ONLY); uint8 *cryptvector; uint8 encryptedpassword[RADIUS_VECTOR_LENGTH]; |