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Some improvements in colored debugging and more things.

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FossilOrigin-Name: 8405db3519985e661123754a83e4dbde153f29dd22007ed31853117220e21000
This commit is contained in:
7u83@mail.ru 2015-04-12 21:28:55 +00:00
parent 2ef7d1fc12
commit 6d707d1725
28 changed files with 302 additions and 190 deletions
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2
src/capwap/action.c
View File

@ -174,7 +174,7 @@ cw_action_in_t *cw_actionlist_in_set_msg_end_callback(cw_actionlist_in_t a,
uint32_t msg_id,
int (*fun) (struct conn * conn,
struct cw_action_in * a, uint8_t * data,
int len))
int len,struct sockaddr *from))
{
cw_action_in_t as,*ar;
as.vendor_id=0;

6
src/capwap/action.h
View File

@ -41,8 +41,8 @@ struct cw_action_in{
uint8_t capwap_state;
uint32_t msg_id;
uint16_t elem_id;
int (*start)(struct conn *conn,struct cw_action_in *a,uint8_t*data,int len);
int (*end)(struct conn *conn,struct cw_action_in *a,uint8_t*elem,int len);
int (*start)(struct conn *conn,struct cw_action_in *a,uint8_t*data,int len,struct sockaddr *from);
int (*end)(struct conn *conn,struct cw_action_in *a,uint8_t*elem,int len,struct sockaddr *from);
uint8_t itemtype;
uint16_t item_id;
uint16_t min_len;
@ -65,7 +65,7 @@ extern cw_action_in_t *cw_actionlist_in_set_msg_end_callback(cw_actionlist_in_t
uint32_t msg_id,
int (*fun) (struct conn * conn,
struct cw_action_in * a, uint8_t * data,
int len));
int len,struct sockaddr *from));
/* Definitions for outgoing messages */

26
src/capwap/capwap.h
View File

@ -878,17 +878,17 @@ static inline const char *cw_strelemp_(cw_strheap_t h, int msg_id)
extern int cw_in_generic(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
extern int cw_in_vendor_specific_payload(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len);
uint8_t * data, int len,struct sockaddr *from);
extern int cw_in_wtp_name(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
extern int cw_in_wtp_board_data(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
extern int cw_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
extern int cw_in_capwap_control_ipv4_address(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len);
uint8_t * data, int len, struct sockaddr *from);
//extern int cw_out_generic(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
extern int cw_out_generic(struct conn *conn, struct cw_action_out *a, uint8_t * dst); //, struct cw_item *item);
@ -961,22 +961,22 @@ int cw_in_set_state_none(struct conn *conn, struct cw_action_in *a, uint8_t * da
struct cw_item *cw_out_get_outgoing(struct conn *conn, struct cw_action_out *a);
struct cw_item *cw_out_get_local(struct conn *conn, struct cw_action_out *a);
extern int cw_in_check_join_resp(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len);
uint8_t * data, int len,struct sockaddr *from);
extern int cw_in_check_disc_req(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
int cw_in_check_disc_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
int cw_check_missing_mand(cw_action_in_t ** out, struct conn *conn, cw_action_in_t * a);
int cw_in_check_join_req(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
extern int cw_in_check_img_data_req_wtp(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len);
uint8_t * data, int len,struct sockaddr *from);
extern int cw_in_check_img_data_req_ac(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len);
uint8_t * data, int len,struct sockaddr *from);
int cw_in_check_img_data_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int len,struct sockaddr *from);
int cw_out_wtp_board_data(struct conn *conn, struct cw_action_out *a, uint8_t * dst);

2
src/capwap/capwap_cisco.h
View File

@ -194,7 +194,7 @@ int cw_readelem_cisco_wtp_radio_cfg(int elem_id,uint8_t *elem, int len,struct ra
int cw_addelem_cisco_wtp_radio_cfg(uint8_t*dst,struct radioinfo * ri);
extern int cw_out_cisco_ac_descriptor(struct conn *conn,struct cw_action_out * a,uint8_t *dst) ;
int cw_in_cisco_image_identifier(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
int cw_in_cisco_image_identifier(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len,struct sockaddr *from);

4
src/capwap/conn.h
View File

@ -106,6 +106,7 @@ struct conn {
int (*recv_packet_peek) (struct conn *, uint8_t *, int);
int (*send_packet) (struct conn *, const uint8_t *, int);
int (*readfrom) (struct conn *, uint8_t *, int, struct sockaddr_storage *);
int (*read) (struct conn *, uint8_t *, int);
int (*write) (struct conn *, const uint8_t *, int);
@ -239,6 +240,9 @@ void conn_init(struct conn *conn);
extern int cw_read_messages(struct conn *conn);
extern int conn_recvfrom_packet(struct conn *conn, uint8_t * buf, int len,
struct sockaddr_storage *from);

56
src/capwap/conn_process_packet.c
View File

@ -126,7 +126,7 @@ int cw_send_error_response(struct conn *conn, uint8_t * rawmsg, uint32_t result_
}
static int process_elements(struct conn *conn, uint8_t * rawmsg, int len)
static int process_elements(struct conn *conn, uint8_t * rawmsg, int len,struct sockaddr *from)
{
struct cw_action_in as, *af, *afm;
@ -211,7 +211,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len)
/* Execute start processor for message */
if (afm->start) {
afm->start(conn, afm, rawmsg, len);
afm->start(conn, afm, rawmsg, len,from);
}
uint8_t *elems_ptr = cw_get_msg_elems_ptr(msg_ptr);
@ -234,7 +234,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len)
if (!af) {
cw_dbg(DBG_ELEM_ERR,
"ELEM_ERR: Element %d (%s) not allowed in msg of type %d (%s).",
"Element %d (%s) not allowed in msg of type %d (%s), ignoring.",
as.elem_id, cw_strelem(as.elem_id), as.msg_id,
cw_strmsg(as.msg_id));
continue;
@ -242,7 +242,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len)
int afrc = 1;
if (af->start) {
afrc = af->start(conn, af, cw_get_elem_data(elem), elem_len);
afrc = af->start(conn, af, cw_get_elem_data(elem), elem_len,from);
}
@ -259,7 +259,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len)
int result_code = 0;
if (afm->end) {
result_code = afm->end(conn, afm, rawmsg, len);
result_code = afm->end(conn, afm, rawmsg, len,from);
}
/* if we've got a request message, we always have to send a response message */
@ -296,8 +296,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len)
static int process_message(struct conn *conn, uint8_t * rawmsg, int rawlen,
int (*cb) (void *, uint8_t *, int), void *cbarg)
static int process_message(struct conn *conn, uint8_t * rawmsg, int rawlen,struct sockaddr *from)
{
uint8_t *msgptr = rawmsg + cw_get_hdr_msg_offset(rawmsg);
@ -306,7 +305,7 @@ static int process_message(struct conn *conn, uint8_t * rawmsg, int rawlen,
if (!(type & 0x1)) {
/* It's a response message, no further examination required. */
return process_elements(conn, rawmsg, rawlen);
return process_elements(conn, rawmsg, rawlen, from);
}
/* It's a request message, check if seqnum is right and if
@ -321,7 +320,7 @@ static int process_message(struct conn *conn, uint8_t * rawmsg, int rawlen,
if ((sd > 0 && sd < 128) || (sd < 0 && sd < -128) || s1 < 0) {
/* seqnum is ok, normal message processing */
conn->last_seqnum_received = seqnum;
return process_elements(conn, rawmsg, rawlen);
return process_elements(conn, rawmsg, rawlen,from);
}
if (sd != 0) {
@ -364,10 +363,10 @@ static int process_message(struct conn *conn, uint8_t * rawmsg, int rawlen,
* @param packet pointer to packet data
* @param len lenght of packet data
*/
int conn_process_packet(struct conn *conn, uint8_t * packet, int len)
int conn_process_packet(struct conn *conn, uint8_t * packet, int len,struct sockaddr *from)
{
/* show this packet in debug output */
cw_dbg_pkt(DBG_PKT_IN, conn, packet, len);
cw_dbg_pkt(DBG_PKT_IN, conn, packet, len,from);
if (len < 8) {
@ -436,16 +435,16 @@ int conn_process_packet(struct conn *conn, uint8_t * packet, int len)
if (f == NULL)
return 0;
cw_dbg_msg(DBG_MSG_IN, conn, packet, len);
int rc = process_message(conn, f + 4, *(uint32_t *) f, NULL, NULL);
cw_dbg_msg(DBG_MSG_IN, conn, packet, len,from);
int rc = process_message(conn, f + 4, *(uint32_t *) f, from);
free(f);
return rc;
}
/* not fragmented, we have a complete message */
cw_dbg_msg(DBG_MSG_IN, conn, packet, len);
return process_message(conn, packet, len, NULL, NULL);
cw_dbg_msg(DBG_MSG_IN, conn, packet, len,from);
return process_message(conn, packet, len, from);
}
@ -462,11 +461,32 @@ int cw_read_messages(struct conn *conn)
return n;
if (n > 0) {
// printf("Have a packet with %d bytes\n",n);
return conn_process_packet(conn, buf, n);
return conn_process_packet(conn, buf, n,(struct sockaddr*)&conn->addr);
}
errno = EAGAIN;
return -1;
}
int cw_read_from(struct conn * conn)
{
if (!conn->readfrom){
cw_log(LOG_ERR,"Fatal error, no readfrom method available.");
errno = EPROTO;
return -1;
}
uint8_t buf[2024];
int len = 2024;
struct sockaddr_storage from;
int n = conn->readfrom(conn, buf, len,&from);
if (n < 0)
return n;
if (n > 0) {
return conn_process_packet(conn, buf, n,(struct sockaddr*)&from);
}
//printf("DTLS_ERROR: %d\n",conn->dtls_error);
errno = EAGAIN;
return -1;
}

43
src/capwap/conn_recv_packet.c
View File

@ -24,13 +24,14 @@
#include "conn.h"
int conn_recv_packet_(struct conn* conn,uint8_t *buf,int len,int flags)
#include "sock.h"
int conn_recv_packet_(struct conn *conn, uint8_t * buf, int len, int flags)
{
int n;
while( (n = recv(conn->sock,(char*)buf,len,flags)) < 0 ){
if (errno!=EINTR)
{
if ( errno==EAGAIN )
while ((n = recv(conn->sock, (char *) buf, len, flags)) < 0) {
if (errno != EINTR) {
if (errno == EAGAIN)
return n;
}
@ -39,17 +40,37 @@ int conn_recv_packet_(struct conn* conn,uint8_t *buf,int len,int flags)
}
int conn_recvfrom_packet(struct conn *conn, uint8_t * buf, int len,
struct sockaddr_storage *from)
{
socklen_t al;
al = sizeof(struct sockaddr_storage);
memset(from, 0, sizeof(struct sockaddr_storage));
int n;
while ((n = recvfrom(conn->sock, (char *) buf, len, 0, (struct sockaddr*)from, &al)) < 0) {
if (errno != EINTR) {
if (errno == EAGAIN)
return n;
}
}
return n;
}
/* yes, these functions could be better defined as macros in a .h file */
int conn_recv_packet(struct conn* conn,uint8_t *buf,int len)
int conn_recv_packet(struct conn *conn, uint8_t * buf, int len)
{
return conn_recv_packet_(conn,buf,len,0);
return conn_recv_packet_(conn, buf, len, 0);
}
int conn_recv_packet_peek(struct conn* conn,uint8_t *buf,int len)
int conn_recv_packet_peek(struct conn *conn, uint8_t * buf, int len)
{
int rc = conn_recv_packet_(conn,buf,len,MSG_PEEK);
int rc = conn_recv_packet_(conn, buf, len, MSG_PEEK);
return rc;
}
}

11
src/capwap/conn_resp_init.c
View File

@ -1,11 +0,0 @@
#include "conn.h"
void conn_resp_init(strucct conn * conn)
{
}

2
src/capwap/cw_in_capwap_control_ipv4_address.c
View File

@ -19,7 +19,7 @@
int cw_in_capwap_control_ipv4_address(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len)
uint8_t * data, int len,struct sockaddr *from)
{
cw_aciplist_t list =
cw_itemstore_get_avltree_c(conn->incomming,a->item_id,cw_aciplist_create);

2
src/capwap/cw_in_check_disc_req.c
View File

@ -8,7 +8,7 @@
#include "sock.h"
int cw_in_check_disc_req(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
cw_action_in_t *mlist[120];

2
src/capwap/cw_in_check_disc_resp.c
View File

@ -8,7 +8,7 @@
#include "sock.h"
int cw_in_check_disc_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
cw_action_in_t *mlist[20];
int n = cw_check_missing_mand(mlist, conn, a);

2
src/capwap/cw_in_check_img_data_req_ac.c
View File

@ -8,7 +8,7 @@
int cw_in_check_img_data_req_ac(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
/* Check for mandatory elements */
cw_action_in_t * mlist[60];

2
src/capwap/cw_in_check_img_data_req_wtp.c
View File

@ -9,7 +9,7 @@
#include <unistd.h> //Tube
int cw_in_check_img_data_req_wtp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
cw_itemstore_set_dword(conn->outgoing,CW_ITEM_RESULT_CODE,0);

2
src/capwap/cw_in_check_img_data_resp.c
View File

@ -8,7 +8,7 @@
int cw_in_check_img_data_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len, struct sockaddr *from)
{
cw_action_in_t * mlist[60];

2
src/capwap/cw_in_check_join_req.c
View File

@ -6,7 +6,7 @@
#include "capwap_items.h"
int cw_in_check_join_req(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
cw_action_in_t * mlist[60];

2
src/capwap/cw_in_check_join_resp.c
View File

@ -8,7 +8,7 @@
#include "capwap_items.h"
int cw_in_check_join_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
cw_action_in_t * mlist[60];

3
src/capwap/cw_in_cisco_image_identifier.c
View File

@ -3,9 +3,10 @@
#include "dbg.h"
#include "itemstore.h"
#include "capwap.h"
#include "capwap_cisco.h"
int cw_in_cisco_image_identifier(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len)
int cw_in_cisco_image_identifier(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len,struct sockaddr *from)
{
if (len<a->min_len) {

2
src/capwap/cw_in_generic.c
View File

@ -7,7 +7,7 @@
int cw_in_generic(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len)
int cw_in_generic(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len,struct sockaddr *from)
{
if (len<a->min_len) {
cw_dbg(DBG_ELEM_ERR,"Message element too short, %d < %d", len,a->min_len);

4
src/capwap/cw_in_vendor_specific_payload.c
View File

@ -11,7 +11,7 @@
/**
* Default handler for Vendor Specific Payload message elements.
*/
int cw_in_vendor_specific_payload(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len)
int cw_in_vendor_specific_payload(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len,struct sockaddr *from)
{
cw_action_in_t as,*af;
as = *a;
@ -31,7 +31,7 @@ int cw_in_vendor_specific_payload(struct conn *conn,struct cw_action_in * a,uint
}
if (af->start) {
af->start(conn,af,data+6,len-6);
af->start(conn,af,data+6,len-6,from);
}
return 1;

41
src/capwap/cw_in_wtp_board_data.c
View File

@ -34,7 +34,7 @@
static void readsubelems_wtp_board_data(cw_itemstore_t itemstore, uint8_t * msgelem,
int len)
int len)
{
int i = 0;
@ -45,35 +45,40 @@ static void readsubelems_wtp_board_data(cw_itemstore_t itemstore, uint8_t * msge
int sublen = val & 0xffff;
i += 4;
if (sublen + i > len) {
cw_dbg(DBG_ELEM_ERR, "WTP Board data sub-element too long, type=%d,len=%d",
cw_dbg(DBG_ELEM_ERR,
"WTP Board data sub-element too long, type=%d,len=%d",
subtype, sublen);
return;
}
cw_dbg(DBG_SUBELEM, "Reading WTP board data sub-element, type=%d, len=%d", subtype,
sublen);
cw_dbg(DBG_SUBELEM, "Reading WTP board data sub-element, type=%d, len=%d",
subtype, sublen);
switch (subtype) {
case CW_BOARDDATA_MODELNO:
cw_itemstore_set_bstrn(itemstore, CW_ITEM_WTP_BOARD_MODELNO,
cw_itemstore_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_MODELNO,
msgelem + i, sublen);
break;
case CW_BOARDDATA_SERIALNO:
cw_itemstore_set_bstrn(itemstore, CW_ITEM_WTP_BOARD_SERIALNO,
cw_itemstore_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_SERIALNO,
msgelem + i, sublen);
break;
case CW_BOARDDATA_MACADDRESS:
cw_itemstore_set_bstrn(itemstore, CW_ITEM_WTP_BOARD_MACADDRESS,
cw_itemstore_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_MACADDRESS,
msgelem + i, sublen);
break;
case CW_BOARDDATA_BOARDID:
cw_itemstore_set_bstrn(itemstore, CW_ITEM_WTP_BOARD_ID,
msgelem + i, sublen);
break;
case CW_BOARDDATA_REVISION:
cw_itemstore_set_bstrn(itemstore, CW_ITEM_WTP_BOARD_REVISION,
cw_itemstore_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_REVISION,
msgelem + i, sublen);
default:
break;
@ -86,22 +91,22 @@ static void readsubelems_wtp_board_data(cw_itemstore_t itemstore, uint8_t * msge
/**
* Parse a WTP Board Data messag element and put results to itemstore.
*/
int cw_in_wtp_board_data(struct conn *conn, struct cw_action_in *a, uint8_t * data, int len)
*/
int cw_in_wtp_board_data(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len, struct sockaddr *from)
{
if (len < 4) {
cw_dbg(DBG_ELEM_ERR,
"Discarding WTP_BOARD_DATA msgelem, wrong size, type=%d, len=%d", a->elem_id,
len);
"Discarding WTP_BOARD_DATA msgelem, wrong size, type=%d, len=%d",
a->elem_id, len);
return 0;
}
cw_itemstore_t itemstore = conn->incomming;
cw_itemstore_set_dword(itemstore, CW_ITEM_WTP_BOARD_VENDOR,cw_get_dword(data));
cw_itemstore_t itemstore = conn->incomming;
cw_itemstore_set_dword(itemstore, CW_ITEM_WTP_BOARD_VENDOR, cw_get_dword(data));
readsubelems_wtp_board_data(itemstore,data+4,len-4);
readsubelems_wtp_board_data(itemstore, data + 4, len - 4);
return 1;
}

103
src/capwap/cw_in_wtp_descriptor.c
View File

@ -28,40 +28,9 @@
#include "sock.h"
static int readelem_wtp_descriptor(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len, int cq)
static int cw_read_wtp_descriptor_versions(cw_itemstore_t itemstore, uint8_t *data,int len)
{
if (len < 6) {
return 0;
}
cw_itemstore_t itemstore = conn->incomming;
cw_itemstore_set_byte(itemstore, CW_ITEM_WTP_MAX_RADIOS, cw_get_byte(data));
cw_itemstore_set_byte(itemstore, CW_ITEM_WTP_RADIOS_IN_USE,
cw_get_byte(data + 1));
/* Get number encryption elements */
int ncrypt = cw_get_byte(data + 2);
int i;
if (ncrypt == 0) {
/* non-conform */
cw_dbg(DBG_RFC,
"Non-standard-conform WTP descriptor detected (See RFC 5415)");
if (!cq)
i = 3;
else
i = 4;
} else {
i = ncrypt * 3 + 3;
}
int i=0;
do {
if (i + 8 > len) {
cw_dbg(DBG_ELEM_ERR,
@ -70,9 +39,9 @@ static int readelem_wtp_descriptor(struct conn *conn, struct cw_action_in *a,
return 0;
}
uint32_t vendor_id = cw_get_dword(data + i); //ntohl(*((uint32_t*)(msgelem+i)));
uint32_t vendor_id = cw_get_dword(data + i);
uint32_t val = cw_get_dword(data + i + 4);
int subtype = (val >> 16) & 0xffff;
int sublen = val & 0xffff;
i += 8;
@ -83,7 +52,19 @@ static int readelem_wtp_descriptor(struct conn *conn, struct cw_action_in *a,
return 0;
}
cw_dbg(DBG_SUBELEM, "WTP Descriptor subtype=%d,len=%d", subtype, sublen);
char *dmp;
char *dmpmem=NULL;
if (cw_dbg_is_level(DBG_SUBELEM_DMP)) {
dmpmem=cw_dbg_mkdmp(data+i,sublen);
dmp=dmpmem;
}
else
dmp="";
cw_dbg(DBG_SUBELEM, "WTP Descriptor subtype=%d,len=%d%s", subtype, sublen,dmp);
if (dmpmem)
free(dmpmem);
switch (subtype) {
case CW_SUBELEM_WTP_HARDWARE_VERSION:
@ -121,11 +102,50 @@ static int readelem_wtp_descriptor(struct conn *conn, struct cw_action_in *a,
} while (i < len);
return 1;
}
static int readelem_wtp_descriptor(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len)
{
if (len < 6) {
return 0;
}
cw_itemstore_t itemstore = conn->incomming;
cw_itemstore_set_byte(itemstore, CW_ITEM_WTP_MAX_RADIOS, cw_get_byte(data));
cw_itemstore_set_byte(itemstore, CW_ITEM_WTP_RADIOS_IN_USE,
cw_get_byte(data + 1));
/* Get number of encryption elements */
int ncrypt = cw_get_byte(data + 2);
if (ncrypt == 0) {
if (conn->strict_capwap){
cw_dbg(DBG_ELEM_ERR,"Bad WTP Descriptor, number of encryption elements is 0.");
return 0;
}
cw_dbg(DBG_RFC,"Non standard conform WTP Descriptor, number of encryptoin elements is 0.");
}
int pos = 3;
int i;
for (i=0; i<ncrypt; i++) {
pos+=3;
}
return cw_read_wtp_descriptor_versions(itemstore,data+pos,len-pos);
}
int cw_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len)
int len,struct sockaddr *from)
{
/*
switch (conn->capwap_mode) {
case CW_MODE_STD:
{
@ -134,7 +154,7 @@ int cw_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8_t * da
CW_MODE_STD);
if (!rc) {
cw_dbg(DBG_ELEM_ERR, "Bad WTP descriptor from %s",
sock_addr2str(&conn->addr));
sock_addr2str(from));
return 0;
}
return 1;
@ -143,12 +163,15 @@ int cw_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8_t * da
}
*/
int rc = readelem_wtp_descriptor(conn, a, data, len, 0);
int rc = readelem_wtp_descriptor(conn, a, data, len);
/*
if (rc == -1) {
cw_dbg(DBG_RFC, "Bad WTP descriptor, trying cisco hack");
rc = readelem_wtp_descriptor(conn, a, data, len, 1);
}
*/
return rc;
}

56
src/capwap/dbg.c
View File

@ -16,6 +16,11 @@
*/
/**
* @file
* @brief Various debug functions.
*/
#include "capwap.h"
#include "dbg.h"
#include "sock.h"
@ -37,7 +42,7 @@ uint32_t cw_dbg_opt_display = 0;
uint32_t cw_dbg_opt_level = 0;
#define DBG_CLR_MAGENTA "\x1b[35m"
static struct cw_str color_on[] = {
@ -46,6 +51,10 @@ static struct cw_str color_on[] = {
{ DBG_ELEM, "\x1b[39m" },
{ DBG_MSG_ERR, "\x1b[31m" },
{ DBG_PKT_ERR, "\x1b[31m" },
{ DBG_ELEM_ERR, "\x1b[31m" },
{ DBG_SUBELEM, "\x1b[30m"},
{ DBG_DTLS, DBG_CLR_MAGENTA },
{ DBG_RFC, "\x1b[31m" },
{ DBG_X, "\x1b[31m" },
{ CW_STR_STOP, "" }
@ -69,7 +78,10 @@ static struct cw_str prefix[] = {
{ DBG_ELEM, " Msg Element -" },
{ DBG_MSG_ERR," Msg Error -" },
{ DBG_PKT_ERR," Pkt Error -" },
{ DBG_ELEM_ERR," Elem Error -" },
{ DBG_RFC, " RFC Violation -" },
{ DBG_SUBELEM," Sub-Element - "},
{ DBG_DTLS, " DTLS - "},
{ DBG_X, "XXXXX - "},
{ CW_STR_STOP, "" }
};
@ -133,15 +145,15 @@ void cw_dbg_missing_mand(int level, struct conn *conn, cw_action_in_t ** ml, int
cw_dbg(level, "Missing mandatory elements: [%s]", buffer);
}
int cw_format_pkt(char *dst,int level,struct conn *conn, uint8_t * packet, int len)
int cw_format_pkt(char *dst,int level,struct conn *conn, uint8_t * packet, int len,struct sockaddr *from)
{
char *s=dst;
switch (level) {
case DBG_PKT_IN:
s+=sprintf(s,"From %s",sock_addr2str(&conn->addr));
s+=sprintf(s,"From %s",sock_addr2str(from));
break;
case DBG_PKT_OUT:
s+=sprintf(s,"To %s",sock_addr2str(&conn->addr));
s+=sprintf(s,"To %s",sock_addr2str(from));
break;
}
s+=sprintf(s," l=%d: ",len);
@ -201,8 +213,14 @@ abort:
}
char * make_dmp( const uint8_t * data, int len)
/**
* Create an ASCII hex dump of binary data
*
* @param data data to dump
* @len number of bytes data contains
* @return a character string with the created data ASCII dump ( must be release with free)
*/
char * cw_dbg_mkdmp( const uint8_t * data, int len)
{
int maxtlen = 2048;
@ -222,21 +240,11 @@ char * make_dmp( const uint8_t * data, int len)
char *dst = malloc(2*(md * (len * 3 + (rows * 2) + 8 + maxtlen)));
if (!dst)
return NULL;
/*
if (format != NULL) {
va_list args;
va_start(args, format);
tlen = vsnprintf(dst, maxtlen, format, args);
va_end(args);
}
*/
if (len % CW_LOG_DUMP_ROW_LEN)
rows++;
char *pdst = dst + tlen;
sprintf(pdst, "\n\t");
pdst += 2;
@ -278,10 +286,6 @@ char * make_dmp( const uint8_t * data, int len)
}
// cw_log_cb(LOG_DEBUG, "%s",dst);
return dst;
}
@ -303,16 +307,16 @@ char * make_dmp( const uint8_t * data, int len)
void cw_dbg_pkt(int level,struct conn *conn, uint8_t * packet, int len)
void cw_dbg_pkt(int level,struct conn *conn, uint8_t * packet, int len,struct sockaddr *from)
{
if (!cw_dbg_is_level(level))
return;
char buf[1024];
cw_format_pkt(buf,level,conn,packet,len);
cw_format_pkt(buf,level,conn,packet,len,from);
if (cw_dbg_is_level(DBG_PKT_DMP)){
char *dmp = make_dmp(packet,len);
char *dmp = cw_dbg_mkdmp(packet,len);
cw_dbg(level,"%s%s",buf,dmp);
free(dmp);
}
@ -321,7 +325,7 @@ void cw_dbg_pkt(int level,struct conn *conn, uint8_t * packet, int len)
}
void cw_dbg_msg(int level,struct conn *conn, uint8_t * packet, int len)
void cw_dbg_msg(int level,struct conn *conn, uint8_t * packet, int len,struct sockaddr *from)
{
if (!cw_dbg_is_level(level))
return;
@ -336,7 +340,7 @@ void cw_dbg_msg(int level,struct conn *conn, uint8_t * packet, int len)
int msg_id=cw_get_msg_id(msgptr);
s+=sprintf(s,"%s Message (type=%d) ",cw_strmsg(msg_id),msg_id);
s+=sprintf(s,"from %s ",sock_addr2str(&conn->addr));
s+=sprintf(s,"from %s ",sock_addr2str(from));
s+=sprintf(s,", Seqnum: %d ElemLen: %d",cw_get_msg_seqnum(msgptr),cw_get_msg_elems_len(msgptr));
//abort:
@ -536,7 +540,7 @@ void cw_dbg_elem_colored(int level, struct conn *conn, int msg, int msgelem,
msgelem, elemname, len);
else{
char *dmp = make_dmp(msgbuf,len);
char *dmp = cw_dbg_mkdmp(msgbuf,len);
cw_dbg(DBG_ELEM, "%d (%s), len=%d%s%s",
msgelem,

42
src/capwap/dbg.h
View File

@ -1,3 +1,27 @@
/*
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
*/
#ifndef __DBG_H
#define __DBG_H
@ -74,18 +98,28 @@ enum debug_levels{
/** Show subelements */
DBG_SUBELEM,
/** Show subelements */
DBG_SUBELEM_DMP,
/** hex dump elements */
DBG_ELEM_DMP,
/** General infos, like CAPWAP state */
DBG_INFO,
/** Misc. warnings */
DBG_WARN,
/** RFC related */
DBG_RFC,
/** DTLS related messages */
DBG_DTLS,
DBG_DTLS_DETAIL,
/** DTLS BIOs in/out */
DBG_DTLS_BIO,
/** Dump DTLS BIO i/o */
DBG_DTLS_BIO_DMP,
DBG_X
@ -136,8 +170,10 @@ void cw_dbg_dmp_(int level, const char *file, int line,
extern void cw_dbg_elem_colored(int level, struct conn *conn, int msg, int msgelem,
const uint8_t * msgbuf, int len);
void cw_dbg_pkt(int level,struct conn *conn, uint8_t * packet, int len);
void cw_dbg_msg(int level,struct conn *conn, uint8_t * packet, int len);
void cw_dbg_pkt(int level,struct conn *conn, uint8_t * packet, int len,struct sockaddr *from);
void cw_dbg_msg(int level,struct conn *conn, uint8_t * packet, int len,struct sockaddr *from);
char * cw_dbg_mkdmp(const uint8_t * data, int len);
#define cw_dbg_set_level(level,on)\

5
src/capwap/dbg_strings.c
View File

@ -29,12 +29,15 @@ struct cw_str cw_dbg_strings[] = {
{ DBG_PKT_ERR, "pkt_err" },
{ DBG_PKT_DMP, "pkt_dmp" },
{ DBG_RFC, "rfc" },
{ DBG_SUBELEM, "subelem" },
{ DBG_SUBELEM_DMP, "subelem_dmp" },
{ DBG_MSG_IN, "msg_in" },
{ DBG_MSG_ERR, "msg_err" },
{ DBG_ELEM, "elem" },
{ DBG_ELEM_DMP, "elem_dmp" },
{ DBG_ELEM_ERR, "elem_err" },
{ DBG_DTLS, "dtls" },
{ DBG_DTLS_BIO, "dtls_bio" },
{ DBG_X,"dbgx" },
{ CW_STR_STOP, NULL }

13
src/capwap/dtls_gnutls_accept.c
View File

@ -40,7 +40,7 @@ int dtls_gnutls_accept(struct conn *conn)
gnutls_datum_t cookie_key;
gnutls_key_generate(&cookie_key, GNUTLS_COOKIE_KEY_SIZE);
cw_dbg(DBG_DTLS, "DTLS session cookie for %s generated: %s",
cw_dbg(DBG_DTLS, "Session cookie for %s generated: %s",
sock_addr2str(&conn->addr), sock_hwaddr2idstr((uint8_t *) (&cookie_key),
sizeof(cookie_key)));
@ -75,7 +75,7 @@ int dtls_gnutls_accept(struct conn *conn)
&conn->addr,
sizeof(conn->addr), buffer+4, tlen-4, &prestate);
if (rc<0){
cw_dbg(DBG_DTLS, "DTLS - Cookie couldn't be verified: %s", gnutls_strerror(rc));
cw_dbg(DBG_DTLS, "Cookie couldn't be verified: %s", gnutls_strerror(rc));
dtls_gnutls_bio_read(conn, buffer, sizeof(buffer));
continue;
}
@ -86,12 +86,13 @@ int dtls_gnutls_accept(struct conn *conn)
}
if (rc <0 ){
cw_log(LOG_ERR, "DTLS - Cookie couldn't be verified: %s", gnutls_strerror(rc));
cw_log(LOG_ERR, "Cookie couldn't be verified: %s", gnutls_strerror(rc));
return 0;
}
cw_dbg(DBG_DTLS, "DTLS - Cookie verified! Starting handshake ...");
cw_dbg(DBG_DTLS, "Cookie verified! Starting handshake with %s ...",sock_addr2str(&conn->addr));
d = dtls_gnutls_data_create(conn,GNUTLS_SERVER | GNUTLS_DATAGRAM);
@ -109,12 +110,12 @@ int dtls_gnutls_accept(struct conn *conn)
if ( rc < 0 ) {
cw_log(LOG_ERR, "DTLS - Error in handshake: %s", gnutls_strerror(rc));
cw_log(LOG_ERR, "Error in handshake with %s: %s",sock_addr2str(&conn->addr), gnutls_strerror(rc));
return 0;
}
cw_dbg(DBG_DTLS,"DTLS - Handshake successful");
cw_dbg(DBG_DTLS,"Handshake with %s successful.",sock_addr2str(&conn->addr));
conn->dtls_data=d;
conn->read = dtls_gnutls_read;

2
src/capwap/dtls_openssl.c
View File

@ -65,7 +65,7 @@ static void dtls_debug_cb(int write_p,int version,int type, const void * buf,siz
s += sprintf(s,"SSL msg in: ");
s+=sprintf(s,"type = %d (0x%02X), %s (%08x), len = %d",type,type,ssl_version2str(version),version,(int)len);
cw_dbg(DBG_DTLS_DETAIL,buffer);
// cw_dbg(DBG_DTLS_DETAIL,buffer);
}
#endif

51
src/capwap/sock_receive.c
View File

@ -23,34 +23,37 @@
#include "sock.h"
int sock_receive(int sock,void *buf, size_t len, int flags, struct sockaddr * srcaddr,socklen_t *addrlen)
int
sock_receive (int sock, void *buf, size_t len, int flags,
struct sockaddr *srcaddr, socklen_t * addrlen)
{
//unsigned int al;
socklen_t al;
//unsigned int al;
socklen_t al;
al = sizeof (struct sockaddr_storage);
memset(srcaddr, 0, sizeof(struct sockaddr));
// srcaddr->sa_port=999;
al = sizeof (struct sockaddr_storage);
int n;
while( (n = recvfrom(sock,(char*)buf,len,flags,srcaddr,&al)) < 0 ){
if (errno!=EINTR)
return n ;
}
// printf("Received betes %d\n",n);
// char str[8000];
// sock_addrtostr(srcaddr,str,1000);
// printf("RECFROM: %s\n",str);
memset (srcaddr, 0, sizeof (struct sockaddr));
// srcaddr->sa_port=999;
// struct sockaddr_in * s = (struct sockaddr_in*)srcaddr;
// s->sin_port=htons(78);
// sock_addrtostr(srcaddr,str,1000);
// printf("RECFROMset: %s\n",str);
// exit(9);
int n;
while ((n = recvfrom (sock, (char *) buf, len, flags, srcaddr, &al)) < 0)
{
if (errno != EINTR)
return n;
}
// printf("Received betes %d\n",n);
// char str[8000];
// sock_addrtostr(srcaddr,str,1000);
// printf("RECFROM: %s\n",str);
// struct sockaddr_in * s = (struct sockaddr_in*)srcaddr;
// s->sin_port=htons(78);
// sock_addrtostr(srcaddr,str,1000);
// printf("RECFROMset: %s\n",str);
// exit(9);
return n;
}

4
src/wtp/discovery.c
View File

@ -119,7 +119,7 @@ static int run_discovery(struct conn *conn)
&& conn->capwap_state == CW_STATE_DISCOVERY) {
avltree_del_all(conn->incomming);
int rc = cw_read_messages(conn);
int rc = cw_read_from(conn);
if (rc<0) {
if (errno==EAGAIN)
@ -199,9 +199,11 @@ static int cw_run_discovery(struct conn *conn, const char *acaddr)
sock_copyaddr(&conn->addr, res->ai_addr);
conn->sock = sockfd;
conn->readfrom = conn_recvfrom_packet;
run_discovery(conn);
conn->readfrom=NULL;
close(sockfd);