planix.org
/
actube
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Old files... not needed in VM. 

FossilOrigin-Name: ae77e76307684aa415352aaa4ecd53339a0d98a939464526441f7e741080aaa4
This commit is contained in:
7u83@mail.ru 2015-04-13 10:33:44 +00:00
parent 0a19326a7c
commit 182e460add
6 changed files with 0 additions and 590 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

265
src/capwap/cw_process_msg.c
View File

@ -1,265 +0,0 @@
/*
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 <http://www.gnu.org/licenses/>.
*/
/**
* @file
* @brief Processing of incomming messaages.
*/
#include <stdint.h>
#include <stdio.h>
#include "conn.h"
#include "capwap.h"
#include "capwap_items.h"
#include "sock.h"
#include "action.h"
#include "cw_log.h"
#include "dbg.h"
int conn_send_msg(struct conn *conn, uint8_t * rawmsg);
/**
* Init response message header
*/
void cw_init_response(struct conn *conn, uint8_t * req)
{
uint8_t *buffer = conn->resp_buffer;
int shbytes = cw_get_hdr_msg_offset(req);
int dhbytes;
memcpy(buffer, req, shbytes);
cw_set_hdr_hlen(buffer, 2);
cw_set_hdr_flags(buffer, CW_FLAG_HDR_M, 1);
dhbytes = cw_get_hdr_msg_offset(buffer);
uint8_t *msgptr = req + shbytes;
uint8_t *dmsgptr = buffer + dhbytes;
cw_set_msg_type(dmsgptr, cw_get_msg_type(msgptr) + 1);
cw_set_msg_seqnum(dmsgptr, cw_get_msg_seqnum(msgptr));
cw_set_msg_flags(dmsgptr, 0);
}
void cw_init_request(struct conn *conn, int msg_id)
{
uint8_t *buffer = conn->req_buffer;
cw_put_dword(buffer + 0, 0);
/* unencrypted */
cw_put_hdr_preamble(CAPWAP_VERSION<<8 | 0);
cw_put_dword(buffer + 4, 0);
cw_set_hdr_preamble(buffer, 0);
cw_set_hdr_hlen(buffer, 2);
cw_set_hdr_wbid(buffer, 1);
cw_set_hdr_rid(buffer, 0);
uint8_t *msgptr = cw_get_hdr_msg_offset(buffer) + buffer;
cw_set_msg_type(msgptr, msg_id);
cw_set_msg_flags(msgptr, 0);
cw_set_msg_elems_len(msgptr, 0);
}
/**
* send a response
*/
int cw_send_response(struct conn *conn, uint8_t * rawmsg, int len)
{
cw_init_response(conn, rawmsg);
if (cw_put_msg(conn, conn->resp_buffer) == -1)
return 0;
conn_send_msg(conn, conn->resp_buffer);
return 1;
}
/**
* Special case error message, which is sent when an unexpected messages
* was received or somethin else happened.
* @param conn conection
* @param rawmsg the received request message, which the response belongs to
* @pqram result_code result code to send
* @return 1
*/
int cw_send_error_response(struct conn *conn, uint8_t * rawmsg, uint32_t result_code)
{
cw_init_response(conn, rawmsg);
uint8_t *out = conn->resp_buffer;
uint8_t *dst = cw_get_hdr_msg_elems_ptr(out);
int l = cw_put_elem_result_code(dst, result_code);
cw_set_msg_elems_len(out + cw_get_hdr_msg_offset(out), l);
conn_send_msg(conn, conn->resp_buffer);
return 1;
}
int cw_process_msg(struct conn *conn, uint8_t * rawmsg, int len)
{
struct cw_action_in as, *af, *afm;
uint8_t *msg_ptr = rawmsg + cw_get_hdr_msg_offset(rawmsg);
int elems_len = cw_get_msg_elems_len(msg_ptr);
/*
if (8+elems_len != len){
cw_dbg(DBG_MSG_ERR,"Discarding message from %s, msgelems len=%d, data len=%d, (strict capwap) ",
sock_addr2str(&conn->addr),elems_len,len-8);
if (conn_is_strict_capwap(conn)){
cw_dbg(DBG_MSG_ERR,"Discarding message from %s, msgelems len=%d, data len=%d, (strict capwap) ",
sock_addr2str(&conn->addr),elems_len,len-8);
return 0;
}
if (8+elems_len < len){
cw_dbg(DBG_CW_RFC,"Packet from from %s has %d bytes extra data.",
sock_addr2str(&conn->addr),len-8-elems_len);
elems_len=len-8;
}
if (8+elems_len > len){
cw_dbg(DBG_CW_RFC,"Packet from from %s hass msgelems len of %d bytes but has only %d bytes of data, truncating.",
sock_addr2str(&conn->addr),elems_len,len-8);
}
return 1;
}
*/
/* prepare struct for search operation */
as.capwap_state = conn->capwap_state;
as.msg_id = cw_get_msg_id(msg_ptr);
as.vendor_id = 0;
as.elem_id = 0;
as.proto = 0;
/* Search for state/message combination */
afm = cw_actionlist_in_get(conn->actions->in, &as);
if (!afm) {
/* Throw away unexpected response messages */
if (!(as.msg_id & 1)) {
cw_dbg(DBG_MSG_ERR,
"Message type %d (%s) unexpected/illigal in %s State, discarding.",
as.msg_id, cw_strmsg(as.msg_id),
cw_strstate(conn->capwap_state));
return 0;
}
/* Request message not found in current state, check if we know
anything else about this message type */
const char *str = cw_strheap_get(conn->actions->strmsg, as.msg_id);
int result_code = 0;
if (str) {
/* Message found, but it was in wrong state */
cw_dbg(DBG_MSG_ERR,
"Message type %d (%s) not allowed in %s State.", as.msg_id,
cw_strmsg(as.msg_id), cw_strstate(as.capwap_state));
result_code = CW_RESULT_MSG_INVALID_IN_CURRENT_STATE;
} else {
/* Message is unknown */
cw_dbg(DBG_MSG_ERR, "Message type %d (%s) unknown.",
as.msg_id, cw_strmsg(as.msg_id),
cw_strstate(as.capwap_state));
result_code = CW_RESULT_MSG_UNRECOGNIZED;
}
cw_send_error_response(conn, rawmsg, result_code);
return 0;
}
/* Execute start processor for message */
if (afm->start) {
afm->start(conn, afm, rawmsg, len);
}
uint8_t *elems_ptr = cw_get_msg_elems_ptr(msg_ptr);
uint8_t *elem;
/* avltree to bag the found mandatory elements */
conn->mand = intavltree_create();
/* iterate through message elements */
cw_foreach_elem(elem, elems_ptr, elems_len) {
as.elem_id = cw_get_elem_id(elem);
int elem_len = cw_get_elem_len(elem);
cw_dbg_elem(conn, as.msg_id, as.elem_id, cw_get_elem_data(elem),
elem_len);
af = cw_actionlist_in_get(conn->actions->in, &as);
if (!af) {
cw_dbg(DBG_ELEM_ERR, "Element %d not allowed in msg %d (%s)",
as.elem_id, as.msg_id, cw_strmsg(as.msg_id));
continue;
}
if (af->mand) {
/* add found mandatory message element
to mand list */
intavltree_add(conn->mand, af->item_id);
}
if (af->start) {
af->start(conn, af, cw_get_elem_data(elem), elem_len);
}
}
int result_code = 0;
if (afm->end) {
result_code = afm->end(conn, afm, rawmsg, len);
}
/* if we've got a request message, we always have to send a response message */
if (as.msg_id & 1) {
if (result_code > 0) {
/* the end method gave us an result code, so
send an error message */
cw_send_error_response(conn, rawmsg, result_code);
} else {
/* regular response message */
cw_send_response(conn, rawmsg, len);
}
}
intavltree_destroy(conn->mand);
return 0;
}

32
src/capwap/cwmsg_addelem.c
View File

@ -1,32 +0,0 @@
/*
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 <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <arpa/inet.h>
#include "cwmsg.h"
void cwmsg_addelem(struct cwmsg *msg,int type,const uint8_t*elem,int len)
{
uint32_t val = type<<16|len;
*((uint32_t*)(msg->msgelems+msg->pos))=htonl(val);
memcpy(msg->msgelems+4+msg->pos,elem,len);
msg->pos+=4+len;
}

92
src/capwap/cwmsg_addelem_ac_descriptor.c
View File

@ -1,92 +0,0 @@
/*
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 <http://www.gnu.org/licenses/>.
*/
/**
* @file
* @brief Implementation of cwmsg_addelem_ac_descriptor.
*/
#include <string.h>
#include "capwap.h"
#include "wtpinfo.h"
static int add_subelem(uint8_t * buffer,int type, uint32_t vendor,bstr_t version)
{
*((uint32_t*)buffer) = htonl(vendor);
*((uint32_t*)(buffer+4)) = htonl( (type<<16) | bstr_len(version));
memcpy(buffer+8,bstr_data(version),bstr_len(version));
return 8+bstr_len(version);
}
/**
* Add an ac descriptor message element.
* @param msg pointer to the message
* @param acinfo acinfo structure where data is taken from
* @param wtpinfo WTP which whants the AC descriptor
*/
void cwmsg_addelem_ac_descriptor(struct cwmsg *msg,struct ac_info * acinfo,struct wtpinfo *wtpinfo)
{
uint8_t buffer[600];
uint8_t * acd = buffer;
*((uint32_t*)(acd))=htonl((acinfo->stations<<16) | (acinfo->limit));
*((uint32_t*)(acd+4))=htonl((acinfo->active_wtps<<16) | acinfo->max_wtps);
*((uint32_t*)(acd+8))=htonl((acinfo->security<<24) | (acinfo->rmac<<16) | acinfo->dtls_policy );
int len = 12;
switch (msg->capwap_mode){
case CWMODE_CISCO:
{
/* If no cisco software version is set, take software version
from WTP */
bstr_t c_version;
if (!acinfo->cisco_software_version)
c_version = wtpinfo->software_version;
else
c_version = acinfo->cisco_software_version;
/* If we don't have a WTP software version, use normal software
version, not cisco software version */
if (!c_version)
c_version=acinfo->software_version;
/* It seems to be very important, that the software version sub-elemnt is
sent first. If not, the Cisco WTP gets confused and thinks the AP has
version 0.0.0.0. Tested with an 8.0.110.0 image on a LAP 1131a */
len+=add_subelem(buffer+len,1,CW_VENDOR_ID_CISCO,c_version);
len+=add_subelem(buffer+len,0,CW_VENDOR_ID_CISCO,acinfo->cisco_hardware_version);
break;
}
default:
len+=add_subelem(buffer+len,5,0,acinfo->software_version);
len+=add_subelem(buffer+len,4,0,acinfo->hardware_version);
break;
}
cwmsg_addelem(msg,CW_ELEM_AC_DESCRIPTOR,acd,len);
}

65
src/capwap/cwmsg_addelem_wtp_descriptor.c
View File

@ -1,65 +0,0 @@
#include <string.h>
#include "capwap.h"
#include "bstr.h"
static inline int wtpdesc_addsubelem(uint8_t * dst,uint8_t type,uint32_t vendorid,bstr_t str)
{
int l;
*((uint32_t*)(dst))=htonl(vendorid);
l = bstr_len(str);
*((uint32_t*)(dst+4))=htonl((type<<16)|l);
memcpy(dst+8,bstr_data(str),l);
return l+8;
}
void cwmsg_addelem_wtp_descriptor(struct cwmsg * cwmsg, struct wtpinfo * wtpinfo)
{
uint8_t d[1024];
int len=0;
/* radios info */
*(d)= wtpinfo->max_radios;
*(d+1)=wtpinfo->radios_in_use;
len=2;
switch (cwmsg->capwap_mode){
case CWMODE_CISCO:
/* encryption capabilities */
*((uint16_t*)(d+len))=htons(wtpinfo->encryption_cap);
len+=2;
break;
default:
/* number of encryption elemnts */
*(d+len)=0;
len += 1;
/* encryption elements */
/* *(d+len)=CWTH_WBID_IEEE80211;
uint16_t val = 0;
*((uint16_t*)(d+len+1))=htons(val);
len+=3;
*/
break;
}
/* hardware version subelem*/
len+=wtpdesc_addsubelem(d+len,CW_SUBELEM_WTP_HARDWARE_VERSION,
wtpinfo->hardware_vendor_id,wtpinfo->hardware_version);
/* software version subelem*/
len+=wtpdesc_addsubelem(d+len,CW_SUBELEM_WTP_SOFTWARE_VERSION,
wtpinfo->software_vendor_id,wtpinfo->software_version);
/* bootloader version subelem*/
len+=wtpdesc_addsubelem(d+len,CW_SUBELEM_WTP_BOOTLOADER_VERSION,
wtpinfo->bootloader_vendor_id,wtpinfo->bootloader_version);
cwmsg_addelem(cwmsg,CW_ELEM_WTP_DESCRIPTOR,d,len);
}

93
src/capwap/cwmsg_send.c
View File

@ -1,93 +0,0 @@
/*
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 <http://www.gnu.org/licenses/>.
*/
#include "capwap.h"
#include "cwmsg.h"
int mtu = 564;
int __old_cwmsg_send(struct cwmsg * cwmsg, int seqnum, int rid, struct conn * conn)
{
uint32_t val;
/* second dword of message control header */
//orig val = (seqnum<<24)|((cwmsg->pos+3)<<8);
val = (seqnum<<24)|((cwmsg->pos)<<8);
*((uint32_t*)(cwmsg->ctrlhdr+4))=htonl(val);
// int msglen = cwmsg->ctrlhdr-cwmsg->buffer+cwmsg->pos;
int msglen = cwmsg->pos+8;
uint8_t * ptr = cwmsg->buffer;
int fragoffset = 0;
int hlen = cwmsg->hlen*4;
int preamble = CW_VERSION | 0;
int wbid=CWTH_WBID_IEEE80211;
int packetlen = msglen+hlen;
while (packetlen>mtu){
val = (preamble << 24) | ((hlen/4)<<19) | (rid<<14) |(wbid<<9) |
/*CWTH_FLAGS_T | */
CWTH_FLAGS_F |
cwmsg->flags;
*((uint32_t*)ptr)=htonl(val);
val = conn->fragid<<16 | fragoffset<<3;
*((uint32_t*)(ptr+8))=htonl(val);
// printf("Offset = %d\n",fragoffset);
conn_send_packet(conn,ptr,mtu);
ptr +=mtu-hlen;
fragoffset+=(mtu-hlen)/8;
packetlen-=mtu-hlen;
// printf("Packelen=%d\n",packetlen);
}
val = (preamble << 24) | ((hlen/4)<<19) | (rid<<14) |(wbid<<9) |
/*CWTH_FLAGS_T|*/ cwmsg->flags;
if (fragoffset)
val |= CWTH_FLAGS_F | CWTH_FLAGS_L;
// printf("Setting first byte %08X\n",val);
*((uint32_t*)ptr)=htonl(val);
val = conn->fragid<<16 | fragoffset<<3;
*((uint32_t*)(ptr+4))=htonl(val);
return conn_send_packet(conn,cwmsg->buffer,msglen-fragoffset*8+hlen);
}

43
src/capwap/cwmsg_vaddelem.c
View File

@ -1,43 +0,0 @@
/*
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 <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdarg.h>
#include <arpa/inet.h>
#include "cwmsg.h"
void cwmsg_vaddelem(struct cwmsg *msg,int type, ...)
{
va_list vl;
va_start(vl,type);
int len=0;
uint8_t *data;
while ( ( data = va_arg(vl,uint8_t*)) != 0 ){
int l=va_arg(vl,int);
memcpy(msg->msgelems+4+msg->pos+len,data,l);
len+=l;
}
uint32_t val = type<<16|len;
*((uint32_t*)(msg->msgelems+msg->pos))=htonl(val);
msg->pos+=4+len;
va_end(vl);
}