/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2001-2002 Ricky Yuen <ryuen@qualcomm.com>
* Copyright (C) 2003-2011 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "parser.h"
#include "sdp.h"
#define SDP_ERROR_RSP 0x01
#define SDP_SERVICE_SEARCH_REQ 0x02
#define SDP_SERVICE_SEARCH_RSP 0x03
#define SDP_SERVICE_ATTR_REQ 0x04
#define SDP_SERVICE_ATTR_RSP 0x05
#define SDP_SERVICE_SEARCH_ATTR_REQ 0x06
#define SDP_SERVICE_SEARCH_ATTR_RSP 0x07
typedef struct {
uint8_t pid;
uint16_t tid;
uint16_t len;
} __attribute__ ((packed)) sdp_pdu_hdr;
#define SDP_PDU_HDR_SIZE 5
/* Data element type descriptor */
#define SDP_DE_NULL 0
#define SDP_DE_UINT 1
#define SDP_DE_INT 2
#define SDP_DE_UUID 3
#define SDP_DE_STRING 4
#define SDP_DE_BOOL 5
#define SDP_DE_SEQ 6
#define SDP_DE_ALT 7
#define SDP_DE_URL 8
/* Data element size index lookup table */
typedef struct {
int addl_bits;
int num_bytes;
} sdp_siz_idx_lookup_table_t;
static sdp_siz_idx_lookup_table_t sdp_siz_idx_lookup_table[] = {
{ 0, 1 }, /* Size index = 0 */
{ 0, 2 }, /* 1 */
{ 0, 4 }, /* 2 */
{ 0, 8 }, /* 3 */
{ 0, 16 }, /* 4 */
{ 1, 1 }, /* 5 */
{ 1, 2 }, /* 6 */
{ 1, 4 }, /* 7 */
};
/* UUID name lookup table */
typedef struct {
int uuid;
char* name;
} sdp_uuid_nam_lookup_table_t;
static sdp_uuid_nam_lookup_table_t sdp_uuid_nam_lookup_table[] = {
{ SDP_UUID_SDP, "SDP" },
{ SDP_UUID_UDP, "UDP" },
{ SDP_UUID_RFCOMM, "RFCOMM" },
{ SDP_UUID_TCP, "TCP" },
{ SDP_UUID_TCS_BIN, "TCS-BIN" },
{ SDP_UUID_TCS_AT, "TCS-AT" },
{ SDP_UUID_OBEX, "OBEX" },
{ SDP_UUID_IP, "IP" },
{ SDP_UUID_FTP, "FTP" },
{ SDP_UUID_HTTP, "HTTP" },
{ SDP_UUID_WSP, "WSP" },
{ SDP_UUID_L2CAP, "L2CAP" },
{ SDP_UUID_BNEP, "BNEP" }, /* PAN */
{ SDP_UUID_HIDP, "HIDP" }, /* HID */
{ SDP_UUID_AVCTP, "AVCTP" }, /* AVCTP */
{ SDP_UUID_AVDTP, "AVDTP" }, /* AVDTP */
{ SDP_UUID_CMTP, "CMTP" }, /* CIP */
{ SDP_UUID_UDI_C_PLANE, "UDI_C-Plane" }, /* UDI */
{ SDP_UUID_SERVICE_DISCOVERY_SERVER, "SDServer" },
{ SDP_UUID_BROWSE_GROUP_DESCRIPTOR, "BrwsGrpDesc" },
{ SDP_UUID_PUBLIC_BROWSE_GROUP, "PubBrwsGrp" },
{ SDP_UUID_SERIAL_PORT, "SP" },
{ SDP_UUID_LAN_ACCESS_PPP, "LAN" },
{ SDP_UUID_DIALUP_NETWORKING, "DUN" },
{ SDP_UUID_IR_MC_SYNC, "IRMCSync" },
{ SDP_UUID_OBEX_OBJECT_PUSH, "OBEXObjPush" },
{ SDP_UUID_OBEX_FILE_TRANSFER, "OBEXObjTrnsf" },
{ SDP_UUID_IR_MC_SYNC_COMMAND, "IRMCSyncCmd" },
{ SDP_UUID_HEADSET, "Headset" },
{ SDP_UUID_CORDLESS_TELEPHONY, "CordlessTel" },
{ SDP_UUID_AUDIO_SOURCE, "AudioSource" }, /* A2DP */
{ SDP_UUID_AUDIO_SINK, "AudioSink" }, /* A2DP */
{ SDP_UUID_AV_REMOTE_TARGET, "AVRemTarget" }, /* AVRCP */
{ SDP_UUID_ADVANCED_AUDIO, "AdvAudio" }, /* A2DP */
{ SDP_UUID_AV_REMOTE, "AVRemote" }, /* AVRCP */
{ SDP_UUID_AV_REMOTE_CONTROLLER, "AVRemCt" }, /* AVRCP */
{ SDP_UUID_INTERCOM, "Intercom" },
{ SDP_UUID_FAX, "Fax" },
{ SDP_UUID_HEADSET_AUDIO_GATEWAY, "Headset AG" },
{ SDP_UUID_WAP, "WAP" },
{ SDP_UUID_WAP_CLIENT, "WAP Client" },
{ SDP_UUID_PANU, "PANU" }, /* PAN */
{ SDP_UUID_NAP, "NAP" }, /* PAN */
{ SDP_UUID_GN, "GN" }, /* PAN */
{ SDP_UUID_DIRECT_PRINTING, "DirectPrint" }, /* BPP */
{ SDP_UUID_REFERENCE_PRINTING, "RefPrint" }, /* BPP */
{ SDP_UUID_IMAGING, "Imaging" }, /* BIP */
{ SDP_UUID_IMAGING_RESPONDER, "ImagingResp" }, /* BIP */
{ SDP_UUID_HANDSFREE, "Handsfree" },
{ SDP_UUID_HANDSFREE_AUDIO_GATEWAY, "Handsfree AG" },
{ SDP_UUID_DIRECT_PRINTING_REF_OBJS, "RefObjsPrint" }, /* BPP */
{ SDP_UUID_REFLECTED_UI, "ReflectedUI" }, /* BPP */
{ SDP_UUID_BASIC_PRINTING, "BasicPrint" }, /* BPP */
{ SDP_UUID_PRINTING_STATUS, "PrintStatus" }, /* BPP */
{ SDP_UUID_HUMAN_INTERFACE_DEVICE, "HID" }, /* HID */
{ SDP_UUID_HARDCOPY_CABLE_REPLACE, "HCRP" }, /* HCRP */
{ SDP_UUID_HCR_PRINT, "HCRPrint" }, /* HCRP */
{ SDP_UUID_HCR_SCAN, "HCRScan" }, /* HCRP */
{ SDP_UUID_COMMON_ISDN_ACCESS, "CIP" }, /* CIP */
{ SDP_UUID_UDI_MT, "UDI MT" }, /* UDI */
{ SDP_UUID_UDI_TA, "UDI TA" }, /* UDI */
{ SDP_UUID_AUDIO_VIDEO, "AudioVideo" }, /* VCP */
{ SDP_UUID_SIM_ACCESS, "SAP" }, /* SAP */
{ SDP_UUID_PHONEBOOK_ACCESS_PCE, "PBAP PCE" }, /* PBAP */
{ SDP_UUID_PHONEBOOK_ACCESS_PSE, "PBAP PSE" }, /* PBAP */
{ SDP_UUID_PHONEBOOK_ACCESS, "PBAP" }, /* PBAP */
{ SDP_UUID_PNP_INFORMATION, "PNPInfo" },
{ SDP_UUID_GENERIC_NETWORKING, "Networking" },
{ SDP_UUID_GENERIC_FILE_TRANSFER, "FileTrnsf" },
{ SDP_UUID_GENERIC_AUDIO, "Audio" },
{ SDP_UUID_GENERIC_TELEPHONY, "Telephony" },
{ SDP_UUID_UPNP_SERVICE, "UPNP" }, /* ESDP */
{ SDP_UUID_UPNP_IP_SERVICE, "UPNP IP" }, /* ESDP */
{ SDP_UUID_ESDP_UPNP_IP_PAN, "UPNP PAN" }, /* ESDP */
{ SDP_UUID_ESDP_UPNP_IP_LAP, "UPNP LAP" }, /* ESDP */
{ SDP_UUID_ESDP_UPNP_L2CAP, "UPNP L2CAP" }, /* ESDP */
{ SDP_UUID_VIDEO_SOURCE, "VideoSource" }, /* VDP */
{ SDP_UUID_VIDEO_SINK, "VideoSink" }, /* VDP */
{ SDP_UUID_VIDEO_DISTRIBUTION, "VideoDist" }, /* VDP */
{ SDP_UUID_APPLE_AGENT, "AppleAgent" },
};
#define SDP_UUID_NAM_LOOKUP_TABLE_SIZE \
(sizeof(sdp_uuid_nam_lookup_table)/sizeof(sdp_uuid_nam_lookup_table_t))
/* AttrID name lookup table */
typedef struct {
int attr_id;
char* name;
} sdp_attr_id_nam_lookup_table_t;
static sdp_attr_id_nam_lookup_table_t sdp_attr_id_nam_lookup_table[] = {
{ SDP_ATTR_ID_SERVICE_RECORD_HANDLE, "SrvRecHndl" },
{ SDP_ATTR_ID_SERVICE_CLASS_ID_LIST, "SrvClassIDList" },
{ SDP_ATTR_ID_SERVICE_RECORD_STATE, "SrvRecState" },
{ SDP_ATTR_ID_SERVICE_SERVICE_ID, "SrvID" },
{ SDP_ATTR_ID_PROTOCOL_DESCRIPTOR_LIST, "ProtocolDescList" },
{ SDP_ATTR_ID_BROWSE_GROUP_LIST, "BrwGrpList" },
{ SDP_ATTR_ID_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, "LangBaseAttrIDList" },
{ SDP_ATTR_ID_SERVICE_INFO_TIME_TO_LIVE, "SrvInfoTimeToLive" },
{ SDP_ATTR_ID_SERVICE_AVAILABILITY, "SrvAvail" },
{ SDP_ATTR_ID_BLUETOOTH_PROFILE_DESCRIPTOR_LIST, "BTProfileDescList" },
{ SDP_ATTR_ID_DOCUMENTATION_URL, "DocURL" },
{ SDP_ATTR_ID_CLIENT_EXECUTABLE_URL, "ClientExeURL" },
{ SDP_ATTR_ID_ICON_URL, "IconURL" },
{ SDP_ATTR_ID_ADDITIONAL_PROTOCOL_DESC_LISTS, "AdditionalProtocolDescLists" },
{ SDP_ATTR_ID_SERVICE_NAME, "SrvName" },
{ SDP_ATTR_ID_SERVICE_DESCRIPTION, "SrvDesc" },
{ SDP_ATTR_ID_PROVIDER_NAME, "ProviderName" },
{ SDP_ATTR_ID_VERSION_NUMBER_LIST, "VersionNumList" },
{ SDP_ATTR_ID_GROUP_ID, "GrpID" },
{ SDP_ATTR_ID_SERVICE_DATABASE_STATE, "SrvDBState" },
{ SDP_ATTR_ID_SERVICE_VERSION, "SrvVersion" },
{ SDP_ATTR_ID_SECURITY_DESCRIPTION, "SecurityDescription"}, /* PAN */
{ SDP_ATTR_ID_SUPPORTED_DATA_STORES_LIST, "SuppDataStoresList" }, /* Synchronization */
{ SDP_ATTR_ID_SUPPORTED_FORMATS_LIST, "SuppFormatsList" }, /* OBEX Object Push */
{ SDP_ATTR_ID_NET_ACCESS_TYPE, "NetAccessType" }, /* PAN */
{ SDP_ATTR_ID_MAX_NET_ACCESS_RATE, "MaxNetAccessRate" }, /* PAN */
{ SDP_ATTR_ID_IPV4_SUBNET, "IPv4Subnet" }, /* PAN */
{ SDP_ATTR_ID_IPV6_SUBNET, "IPv6Subnet" }, /* PAN */
{ SDP_ATTR_ID_SUPPORTED_CAPABILITIES, "SuppCapabilities" }, /* Imaging */
{ SDP_ATTR_ID_SUPPORTED_FEATURES, "SuppFeatures" }, /* Imaging and Hansfree */
{ SDP_ATTR_ID_SUPPORTED_FUNCTIONS, "SuppFunctions" }, /* Imaging */
{ SDP_ATTR_ID_TOTAL_IMAGING_DATA_CAPACITY, "SuppTotalCapacity" }, /* Imaging */
{ SDP_ATTR_ID_SUPPORTED_REPOSITORIES, "SuppRepositories" }, /* PBAP */
};
#define SDP_ATTR_ID_NAM_LOOKUP_TABLE_SIZE \
(sizeof(sdp_attr_id_nam_lookup_table)/sizeof(sdp_attr_id_nam_lookup_table_t))
char* get_uuid_name(int uuid)
{
unsigned int i;
for (i = 0; i < SDP_UUID_NAM_LOOKUP_TABLE_SIZE; i++) {
if (sdp_uuid_nam_lookup_table[i].uuid == uuid)
return sdp_uuid_nam_lookup_table[i].name;
}
return 0;
}
static inline char* get_attr_id_name(int attr_id)
{
unsigned int i;
for (i = 0; i < SDP_ATTR_ID_NAM_LOOKUP_TABLE_SIZE; i++)
if (sdp_attr_id_nam_lookup_table[i].attr_id == attr_id)
return sdp_attr_id_nam_lookup_table[i].name;
return 0;
}
static inline uint8_t parse_de_hdr(struct frame *frm, int *n)
{
uint8_t de_hdr = p_get_u8(frm);
uint8_t de_type = de_hdr >> 3;
uint8_t siz_idx = de_hdr & 0x07;
/* Get the number of bytes */
if (sdp_siz_idx_lookup_table[siz_idx].addl_bits) {
switch(sdp_siz_idx_lookup_table[siz_idx].num_bytes) {
case 1:
*n = p_get_u8(frm); break;
case 2:
*n = p_get_u16(frm); break;
case 4:
*n = p_get_u32(frm); break;
case 8:
*n = p_get_u64(frm); break;
}
} else
*n = sdp_siz_idx_lookup_table[siz_idx].num_bytes;
return de_type;
}
static inline void print_int(uint8_t de_type, int level, int n, struct frame *frm, uint16_t *psm, uint8_t *channel)
{
uint64_t val, val2;
switch(de_type) {
case SDP_DE_UINT:
printf(" uint");
break;
case SDP_DE_INT:
printf(" int");
break;
case SDP_DE_BOOL:
printf(" bool");
break;
}
switch(n) {
case 1: /* 8-bit */
val = p_get_u8(frm);
if (channel && de_type == SDP_DE_UINT)
if (*channel == 0)
*channel = val;
break;
case 2: /* 16-bit */
val = p_get_u16(frm);
if (psm && de_type == SDP_DE_UINT)
if (*psm == 0)
*psm = val;
break;
case 4: /* 32-bit */
val = p_get_u32(frm);
break;
case 8: /* 64-bit */
val = p_get_u64(frm);
break;
case 16:/* 128-bit */
p_get_u128(frm, &val, &val2);
printf(" 0x%jx", val2);
if (val < 0x1000000000000000LL)
printf("0");
printf("%jx", val);
return;
default: /* syntax error */
printf(" err");
frm->ptr += n;
frm->len -= n;
return;
}
printf(" 0x%jx", val);
}
static inline void print_uuid(int n, struct frame *frm, uint16_t *psm, uint8_t *channel)
{
uint32_t uuid = 0;
char* s;
int i;
switch(n) {
case 2: /* 16-bit UUID */
uuid = p_get_u16(frm);
s = "uuid-16";
break;
case 4: /* 32_bit UUID */
uuid = p_get_u32(frm);
s = "uuid-32";
break;
case 16: /* 128-bit UUID */
printf(" uuid-128 ");
for (i = 0; i < 16; i++) {
printf("%02x", ((unsigned char *) frm->ptr)[i]);
if (i == 3 || i == 5 || i == 7 || i == 9)
printf("-");
}
frm->ptr += 16;
frm->len -= 16;
return;
default: /* syntax error */
printf(" *err*");
frm->ptr += n;
frm->len -= n;
return;
}
if (psm && *psm > 0 && *psm != 0xffff) {
set_proto(frm->handle, *psm, 0, uuid);
*psm = 0xffff;
}
if (channel && *channel > 0 && *channel != 0xff) {
set_proto(frm->handle, *psm, *channel, uuid);
*channel = 0xff;
}
printf(" %s 0x%04x", s, uuid);
if ((s = get_uuid_name(uuid)))
printf(" (%s)", s);
}
static inline void print_string(int n, struct frame *frm, const char *name)
{
int i, hex = 0;
for (i = 0; i < n; i++) {
if (i == (n - 1) && ((char *) frm->ptr)[i] == '\0')
break;
if (!isprint(((char *) frm->ptr)[i])) {
hex = 1;
break;
}
}
printf(" %s", name);
if (hex) {
for (i = 0; i < n; i++)
printf(" %02x", ((unsigned char *) frm->ptr)[i]);
} else {
printf(" \"");
for (i = 0; i < n; i++)
printf("%c", ((char *) frm->ptr)[i]);
printf("\"");
}
frm->ptr += n;
frm->len -= n;
}
static inline void print_de(int, struct frame *frm, int *split, uint16_t *psm, uint8_t *channel);
static inline void print_des(uint8_t de_type, int level, int n, struct frame *frm, int *split, uint16_t *psm, uint8_t *channel)
{
int len = frm->len;
while (len - (int) frm->len < n && (int) frm->len > 0)
print_de(level, frm, split, psm, channel);
}
static inline void print_de(int level, struct frame *frm, int *split, uint16_t *psm, uint8_t *channel)
{
int n = 0;
uint8_t de_type = parse_de_hdr(frm, &n);
switch (de_type) {
case SDP_DE_NULL:
printf(" null");
break;
case SDP_DE_UINT:
case SDP_DE_INT:
case SDP_DE_BOOL:
print_int(de_type, level, n, frm, psm, channel);
break;
case SDP_DE_UUID:
if (split) {
/* Split output by uuids.
* Used for printing Protocol Desc List */
if (*split) {
printf("\n");
p_indent(level, NULL);
}
++*split;
}
print_uuid(n, frm, psm, channel);
break;
case SDP_DE_URL:
case SDP_DE_STRING:
print_string(n, frm, de_type == SDP_DE_URL? "url": "str");
break;
case SDP_DE_SEQ:
printf(" <");
print_des(de_type, level, n, frm, split, psm, channel);
printf(" >");
break;
case SDP_DE_ALT:
printf(" [");
print_des(de_type, level, n, frm, split, psm, channel);
printf(" ]");
break;
}
}
static inline void print_srv_srch_pat(int level, struct frame *frm)
{
int len, n1 = 0, n2 = 0;
p_indent(level, frm);
printf("pat");
if (parse_de_hdr(frm, &n1) == SDP_DE_SEQ) {
len = frm->len;
while (len - (int) frm->len < n1 && (int) frm->len > 0) {
if (parse_de_hdr(frm, &n2) == SDP_DE_UUID) {
print_uuid(n2, frm, NULL, NULL);
} else {
printf("\nERROR: Unexpected syntax (UUID)\n");
raw_dump(level, frm);
}
}
printf("\n");
} else {
printf("\nERROR: Unexpected syntax (SEQ)\n");
raw_dump(level, frm);
}
}
static inline void print_attr_id_list(int level, struct frame *frm)
{
uint16_t attr_id;
uint32_t attr_id_range;
int len, n1 = 0, n2 = 0;
p_indent(level, frm);
printf("aid(s)");
if (parse_de_hdr(frm, &n1) == SDP_DE_SEQ) {
len = frm->len;
while (len - (int) frm->len < n1 && (int) frm->len > 0) {
/* Print AttributeID */
if (parse_de_hdr(frm, &n2) == SDP_DE_UINT) {
char *name;
switch(n2) {
case 2:
attr_id = p_get_u16(frm);
name = get_attr_id_name(attr_id);
if (!name)
name = "unknown";
printf(" 0x%04x (%s)", attr_id, name);
break;
case 4:
attr_id_range = p_get_u32(frm);
printf(" 0x%04x - 0x%04x",
(attr_id_range >> 16),
(attr_id_range & 0xFFFF));
break;
}
} else {
printf("\nERROR: Unexpected syntax\n");
raw_dump(level, frm);
}
}
printf("\n");
} else {
printf("\nERROR: Unexpected syntax\n");
raw_dump(level, frm);
}
}
static inline void print_attr_list(int level, struct frame *frm)
{
uint16_t attr_id, psm;
uint8_t channel;
int len, split, n1 = 0, n2 = 0;
if (parse_de_hdr(frm, &n1) == SDP_DE_SEQ) {
len = frm->len;
while (len - (int) frm->len < n1 && (int) frm->len > 0) {
/* Print AttributeID */
if (parse_de_hdr(frm, &n2) == SDP_DE_UINT && n2 == sizeof(attr_id)) {
char *name;
attr_id = p_get_u16(frm);
p_indent(level, 0);
name = get_attr_id_name(attr_id);
if (!name)
name = "unknown";
printf("aid 0x%04x (%s)\n", attr_id, name);
split = (attr_id != SDP_ATTR_ID_PROTOCOL_DESCRIPTOR_LIST);
psm = 0;
channel = 0;
/* Print AttributeValue */
p_indent(level + 1, 0);
print_de(level + 1, frm, split ? NULL: &split,
attr_id == SDP_ATTR_ID_PROTOCOL_DESCRIPTOR_LIST ? &psm : NULL,
attr_id == SDP_ATTR_ID_PROTOCOL_DESCRIPTOR_LIST ? &channel : NULL);
printf("\n");
} else {
printf("\nERROR: Unexpected syntax\n");
raw_dump(level, frm);
break;
}
}
} else {
printf("\nERROR: Unexpected syntax\n");
raw_dump(level, frm);
}
}
static inline void print_attr_lists(int level, struct frame *frm)
{
int n = 0, cnt = 0;
int count = frm->len;
if (parse_de_hdr(frm, &n) == SDP_DE_SEQ) {
while (count - (int) frm->len < n && (int) frm->len > 0) {
p_indent(level, 0);
printf("record #%d\n", cnt++);
print_attr_list(level + 2, frm);
}
} else {
printf("\nERROR: Unexpected syntax\n");
raw_dump(level, frm);
}
}
static inline void print_cont_state(int level, unsigned char *buf)
{
uint8_t cont = buf[0];
int i;
p_indent(level, 0);
printf("cont");
for (i = 0; i < cont + 1; i++)
printf(" %2.2X", buf[i]);
printf("\n");
}
static char *pid2str(uint8_t pid)
{
switch (pid) {
case SDP_ERROR_RSP:
return "Error Rsp";
case SDP_SERVICE_SEARCH_REQ:
return "SS Req";
case SDP_SERVICE_SEARCH_RSP:
return "SS Rsp";
case SDP_SERVICE_ATTR_REQ:
return "SA Req";
case SDP_SERVICE_ATTR_RSP:
return "SA Rsp";
case SDP_SERVICE_SEARCH_ATTR_REQ:
return "SSA Req";
case SDP_SERVICE_SEARCH_ATTR_RSP:
return "SSA Rsp";
default:
return "Unknown";
}
}
#define FRAME_TABLE_SIZE 10
static struct frame frame_table[FRAME_TABLE_SIZE];
static int frame_add(struct frame *frm, int count)
{
register struct frame *fr;
register unsigned char *data;
register int i, len = 0, pos = -1;
for (i = 0; i < FRAME_TABLE_SIZE; i++) {
if (frame_table[i].handle == frm->handle &&
frame_table[i].cid == frm->cid) {
pos = i;
len = frame_table[i].data_len;
break;
}
if (pos < 0 && !frame_table[i].handle)
pos = i;
}
if (pos < 0 || count <= 0)
return -EIO;
data = malloc(len + count);
if (!data)
return -ENOMEM;
fr = &frame_table[pos];
if (len > 0) {
memcpy(data, fr->data, len);
memcpy(data + len, frm->ptr, count);
} else
memcpy(data, frm->ptr, count);
if (fr->data)
free(fr->data);
fr->data = data;
fr->data_len = len + count;
fr->len = fr->data_len;
fr->ptr = fr->data;
fr->dev_id = frm->dev_id;
fr->in = frm->in;
fr->ts = frm->ts;
fr->handle = frm->handle;
fr->cid = frm->cid;
fr->num = frm->num;
fr->channel = frm->channel;
fr->pppdump_fd = frm->pppdump_fd;
fr->audio_fd = frm->audio_fd;
return pos;
}
static struct frame *frame_get(struct frame *frm, int count)
{
register int pos;
pos = frame_add(frm, count);
if (pos < 0)
return frm;
frame_table[pos].handle = 0;
return &frame_table[pos];
}
void sdp_dump(int level, struct frame *frm)
{
sdp_pdu_hdr *hdr = frm->ptr;
uint16_t tid = ntohs(hdr->tid);
uint16_t len = ntohs(hdr->len);
uint16_t total, count;
uint8_t cont;
frm->ptr += SDP_PDU_HDR_SIZE;
frm->len -= SDP_PDU_HDR_SIZE;
p_indent(level, frm);
printf("SDP %s: tid 0x%x len 0x%x\n", pid2str(hdr->pid), tid, len);
switch (hdr->pid) {
case SDP_ERROR_RSP:
p_indent(level + 1, frm);
printf("code 0x%x info ", p_get_u16(frm));
if (frm->len > 0)
hex_dump(0, frm, frm->len);
else
printf("none\n");
break;
case SDP_SERVICE_SEARCH_REQ:
/* Parse ServiceSearchPattern */
print_srv_srch_pat(level + 1, frm);
/* Parse MaximumServiceRecordCount */
p_indent(level + 1, frm);
printf("max %d\n", p_get_u16(frm));
/* Parse ContinuationState */
print_cont_state(level + 1, frm->ptr);
break;
case SDP_SERVICE_SEARCH_RSP:
/* Parse TotalServiceRecordCount */
total = p_get_u16(frm);
/* Parse CurrentServiceRecordCount */
count = p_get_u16(frm);
p_indent(level + 1, frm);
if (count < total)
printf("count %d of %d\n", count, total);
else
printf("count %d\n", count);
/* Parse service record handle(s) */
if (count > 0) {
int i;
p_indent(level + 1, frm);
printf("handle%s", count > 1 ? "s" : "");
for (i = 0; i < count; i++)
printf(" 0x%x", p_get_u32(frm));
printf("\n");
}
/* Parse ContinuationState */
print_cont_state(level + 1, frm->ptr);
break;
case SDP_SERVICE_ATTR_REQ:
/* Parse ServiceRecordHandle */
p_indent(level + 1, frm);
printf("handle 0x%x\n", p_get_u32(frm));
/* Parse MaximumAttributeByteCount */
p_indent(level + 1, frm);
printf("max %d\n", p_get_u16(frm));
/* Parse ServiceSearchPattern */
print_attr_id_list(level + 1, frm);
/* Parse ContinuationState */
print_cont_state(level + 1, frm->ptr);
break;
case SDP_SERVICE_ATTR_RSP:
/* Parse AttributeByteCount */
count = p_get_u16(frm);
p_indent(level + 1, frm);
printf("count %d\n", count);
/* Parse ContinuationState */
cont = *(unsigned char *)(frm->ptr + count);
if (cont == 0) {
/* Parse AttributeList */
print_attr_list(level + 1, frame_get(frm, count));
} else
frame_add(frm, count);
print_cont_state(level + 1, frm->ptr + count);
break;
case SDP_SERVICE_SEARCH_ATTR_REQ:
/* Parse ServiceSearchPattern */
print_srv_srch_pat(level + 1, frm);
/* Parse MaximumAttributeByteCount */
p_indent(level + 1, frm);
printf("max %d\n", p_get_u16(frm));
/* Parse AttributeList */
print_attr_id_list(level + 1, frm);
/* Parse ContinuationState */
print_cont_state(level + 1, frm->ptr);
break;
case SDP_SERVICE_SEARCH_ATTR_RSP:
/* Parse AttributeByteCount */
count = p_get_u16(frm);
p_indent(level + 1, frm);
printf("count %d\n", count);
/* Parse ContinuationState */
cont = *(unsigned char *)(frm->ptr + count);
if (cont == 0) {
/* Parse AttributeLists */
print_attr_lists(level + 1, frame_get(frm, count));
} else
frame_add(frm, count);
print_cont_state(level + 1, frm->ptr + count);
break;
default:
raw_dump(level + 1, frm);
break;
}
}