diff options
Diffstat (limited to 'src/lib/protocols/tinc.c')
| -rw-r--r-- | src/lib/protocols/tinc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/lib/protocols/tinc.c b/src/lib/protocols/tinc.c index 5948c4379..c366cba01 100644 --- a/src/lib/protocols/tinc.c +++ b/src/lib/protocols/tinc.c @@ -90,11 +90,11 @@ static void ndpi_check_tinc(struct ndpi_detection_module_struct *ndpi_struct, st u_int16_t i = 3; u_int8_t numbers_left = 4; while(numbers_left) { - while(packet_payload[i] >= '0' && packet_payload[i] <= '9') { + while(i < payload_len && packet_payload[i] >= '0' && packet_payload[i] <= '9') { i++; } - if(packet_payload[i++] == ' ') { + if(i < payload_len && packet_payload[i++] == ' ') { numbers_left--; } else break; @@ -102,12 +102,13 @@ static void ndpi_check_tinc(struct ndpi_detection_module_struct *ndpi_struct, st if(numbers_left) break; - while((packet_payload[i] >= '0' && packet_payload[i] <= '9') || - (packet_payload[i] >= 'A' && packet_payload[i] <= 'Z')) { + while(i < payload_len && + ((packet_payload[i] >= '0' && packet_payload[i] <= '9') || + (packet_payload[i] >= 'A' && packet_payload[i] <= 'Z'))) { i++; } - if(packet_payload[i] == '\n') { + if(i < payload_len && packet_payload[i] == '\n') { if(++flow->tinc_state > 3) { if(ndpi_struct->tinc_cache == NULL) ndpi_struct->tinc_cache = cache_new(TINC_CACHE_MAX_SIZE); |