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ssldump-0.9-pcap-vlan.patch

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This commit is contained in:
Alexandre Dulaunoy 2015-01-31 10:17:49 +01:00
parent fd3ca8ad0f
commit 1f8c78169f
1 changed files with 24 additions and 0 deletions
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24
base/pcap-snoop.c
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@ -385,6 +385,30 @@ int main(argc,argv)
if(filter){ if(filter){
struct bpf_program fp; struct bpf_program fp;
/* (F5 patch)
* reformat filter to include traffic with or without the 802.1q
* vlan header. for example, "port 80" becomes:
* "( port 80 ) or ( vlan and port 80 )".
* note that if the filter includes the literals vlan, tagged, or
* untagged, then it is assumed that the user knows what she is
* doing, and the filter is not reformatted.
*/
if ((pcap_datalink(p) == DLT_EN10MB) &&
(filter != NULL) &&
(strstr(filter,"vlan") == NULL)) {
char *tmp_filter;
char *fmt = "( (not ether proto 0x8100) and (%s) ) or ( vlan and (%s) )";
tmp_filter = (char *)malloc((strlen(filter) * 2) + strlen(fmt) + 1);
if (tmp_filter == NULL) {
fprintf(stderr,"PCAP: malloc failed\n");
err_exit("Aborting",-1);
}
sprintf(tmp_filter,fmt,filter,filter);
filter = tmp_filter;
}
if(pcap_compile(p,&fp,filter,0,netmask)<0) if(pcap_compile(p,&fp,filter,0,netmask)<0)
verr_exit("PCAP: %s\n",pcap_geterr(p)); verr_exit("PCAP: %s\n",pcap_geterr(p));