Hello list, I want to insert an extra field, u_int32_t, into pfloghdr struct
but I am not sure how to change padding.
160 Index: sys/net/if_pflog.h
161 ===================================================================
162 --- sys/net/if_pflog.h (revision 250171)
163 +++ sys/net/if_pflog.h (working copy)
164 @@ -45,6 +45,8 @@
165 uid_t rule_uid;
166 pid_t rule_pid;
167 u_int8_t dir;
168 + //added for extra
169 + u_int32_t index;
170 u_int8_t pad[3];
171 };
If I increment hdrlen by 4 in tcpdump, everything seems fine but I guess this
solution is not good.
1 Index: print-pflog.c
2 ===================================================================
3 --- print-pflog.c (revision 250174)
4 +++ print-pflog.c (working copy)
5 @@ -145,6 +145,7 @@
6
7 /* skip to the real packet */
8 af = hdr->af;
9 + hdrlen+=4;
10 length -= hdrlen;
11 caplen -= hdrlen;
12 p += hdrlen;
If I do not touch anything in tcpdump, it complains as "bad-len 0" error.
I mean, what is padding number for pfloghdr struct?
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