diff --git a/src/capwap/hdr_print.c b/src/capwap/hdr_print.c new file mode 100644 index 00000000..0dba0e41 --- /dev/null +++ b/src/capwap/hdr_print.c @@ -0,0 +1,65 @@ +/* + This file is part of libcapwap. + + libcapwap is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + libcapwap is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Foobar. If not, see . + +*/ + + +#include +#include + +#include "capwap.h" + + + + +int hdr_print(char *str, uint8_t *packet, int len) +{ + + char *s = str; + int hlen = CWTH_GET_HLEN(packet); + int rid = CWTH_GET_RID(packet); + int wbid = CWTH_GET_WBID(packet); + s+=sprintf(s,"\tHLEN: %d, RID: %02X, WBID %02X",hlen,rid,wbid); + + + + s+=sprintf(s," Flags: (T=%d,F=%d,L=%d,W=%d,M=%d,K=%d)\n", + CWTH_GET_FLAG_T(packet), + CWTH_GET_FLAG_F(packet), + CWTH_GET_FLAG_L(packet), + CWTH_GET_FLAG_W(packet), + CWTH_GET_FLAG_M(packet), + CWTH_GET_FLAG_K(packet) + ); + + int frag_id = CWTH_GET_FRAGID(packet); + int frag_offs = CWTH_GET_FRAGOFFSET(packet); + + + int bhlen = 4*hlen; + int msgtype = ntohl(*((uint32_t*)(packet+bhlen))); + int seqnum = (ntohl(*((uint32_t*)(packet+bhlen+4))))>>24; + int msgelemlen = 0xFF & ((ntohl(*((uint32_t*)(packet+bhlen+4))))>>8); + + s+=sprintf(s,"\tFrag Id: %d, Frag Offs:: %d\n",frag_id,frag_offs); + s+=sprintf(s,"\tMsgType: %d, SeqNum: %d, MsgelemLen:%d\n",msgtype,seqnum,msgelemlen); + + + + + + return s-str; +}