diff options
Diffstat (limited to 'pcap-linux.c')
| -rw-r--r-- | pcap-linux.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pcap-linux.c b/pcap-linux.c index 3df5cf06..179fd348 100644 --- a/pcap-linux.c +++ b/pcap-linux.c @@ -1446,6 +1446,17 @@ pcap_activate_linux(pcap_t *handle) goto fail; } + /* + * Turn a negative snapshot value (invalid), a snapshot value of + * 0 (unspecified), or a value bigger than the normal maximum + * value, into the maximum allowed value. + * + * If some application really *needs* a bigger snapshot + * length, we should just increase MAXIMUM_SNAPLEN. + */ + if (handle->snapshot <= 0 || handle->snapshot > MAXIMUM_SNAPLEN) + handle->snapshot = MAXIMUM_SNAPLEN; + handle->inject_op = pcap_inject_linux; handle->setfilter_op = pcap_setfilter_linux; handle->setdirection_op = pcap_setdirection_linux; |