void SendingMessage::getHexStringParam(char * dest, char * src, int * len)
{
*len=0;
/* Allows any hex coded string like '0x5B07F6' */
while (isxdigit(*src)) {
int val = get_decimal_from_hex(*src);
src++;
if (isxdigit(*src)) {
val = (val << 4) + get_decimal_from_hex(*src);
src++;
}
*dest++ = val & 0xff;
(*len)++;
}
}
SendingMessage::SendingMessage(scenario *msg_scenario, char *const_src, bool skip_sanity)
{
char * src = strdup(const_src);
char * osrc = src;
char * literal;
int literalLen;
char * dest;
char * key;
char current_line[MAX_HEADER_LEN];
char * line_mark = NULL;
char * tsrc;
int num_cr = get_cr_number(src);
this->msg_scenario = msg_scenario;
dest = literal = (char *)malloc(strlen(src) + num_cr + 1);
literalLen = 0;
current_line[0] = '\0';
*dest = 0;
while(*src) {
if (current_line[0] == '\0') {
line_mark = strchr(src, '\n');
if (line_mark) {
int header_len = line_mark - src;
if (header_len > MAX_HEADER_LEN-1)
header_len = MAX_HEADER_LEN-1;
memcpy(current_line, src, header_len);
current_line[header_len] = '\0';
}
}
/* This hex encoding could be done in XML parsing, allowing us to skip
* these conditionals and branches. */
if ((*src == '\\') && (*(src+1) == 'x')) {
/* Allows any hex coded char like '\x5B' ([) */
src += 2;
if (isxdigit(*src)) {
int val = get_decimal_from_hex(*src);
src++;
if (isxdigit(*src)) {
val = (val << 4) + get_decimal_from_hex(*src);
}
*dest++ = val & 0xff;
}
src++;
} else if (*src == '\n') {
*dest++ = '\r';
*dest++ = *src++;
current_line[0] = '\0';
} else if (*src != '[') {
*dest++ = *src++;
} else {
/* We have found a keyword, store the literal that we have been generating. */
literalLen = dest - literal;
if (literalLen) {
*dest = '\0';
literal = (char *)realloc(literal, literalLen + 1);
if (!literal) {
ERROR("Out of memory!");
}
MessageComponent *newcomp = (MessageComponent *)calloc(1, sizeof(MessageComponent));
if (!newcomp) {
ERROR("Out of memory!");
}
newcomp->type = E_Message_Literal;
newcomp->literal = literal;
newcomp->literalLen = literalLen; // length without the terminator
messageComponents.push_back(newcomp);
} else {
free(literal);
}
dest = literal = (char *)malloc(strlen(src) + num_cr + 1);
literalLen = 0;
*dest = '\0';
/* Now lets determine which keyword we have. */
MessageComponent *newcomp = (MessageComponent *)calloc(1, sizeof(MessageComponent));
if (!newcomp) {
ERROR("Out of memory!");
}
char keyword [KEYWORD_SIZE+1];
src++;
/* Like strchr, but don't count things in quotes. */
for(tsrc = src; *tsrc; tsrc++) {
if (*tsrc == '\"') {
do {
tsrc++;
} while(*tsrc && *tsrc != '\"');
if (!*tsrc) {
break;
}
}
if (*tsrc == '[')
break;
}
if (*tsrc != '[') {
tsrc = NULL;
}
/* Like strchr, but don't count things in quotes. */
for(key = src; *key; key++) {
if (*key == '\"') {
do {
key++;
} while(*key && *key != '\"');
}
if (*key == ']')
break;
}
if (*key != ']') {
key = NULL;
}
if ((tsrc) && (tsrc<key)) {
memcpy(keyword, src-1, tsrc - src + 1);
src=tsrc+1;
dest += sprintf(dest, "%s", keyword);
}
if((!key) || ((key - src) > KEYWORD_SIZE) || (!(key - src))) {
ERROR("Syntax error or invalid [keyword] in scenario while parsing '%s'", current_line);
}
memcpy(keyword, src, key - src);
keyword[key - src] = 0;
src = key + 1;
// allow +/-n for numeric variables
newcomp->offset = 0;
if ((strncmp(keyword, "authentication", strlen("authentication")) &&
strncmp(keyword, "tdmmap", strlen("tdmmap"))) &&
((key = strchr(keyword,'+')) || (key = strchr(keyword,'-')))) {
if (isdigit(*(key+1))) {
newcomp->offset = atoi(key);
*key = 0;
}
}
char *spc = NULL;
char ospc;
if ((spc = strchr(keyword, ' '))) {
ospc = *spc;
*spc = '\0';
}
kw_map::iterator it = keyword_map.find(keyword);
if (spc) {
*spc = ospc;
}
if (it != keyword_map.end()) {
newcomp->type = E_Message_Custom;
newcomp->comp_param.fxn = it->second;
messageComponents.push_back(newcomp);
continue;
}
bool simple_keyword = false;
for (unsigned int i = 0; i < sizeof(SimpleKeywords)/sizeof(SimpleKeywords[0]); i++) {
if (!strcmp(keyword, SimpleKeywords[i].keyword)) {
newcomp->type = SimpleKeywords[i].type;
simple_keyword = true;
break;
}
}
if (simple_keyword) {
messageComponents.push_back(newcomp);
continue;
}
if(!strncmp(keyword, "field", strlen("field"))) {
newcomp->type = E_Message_Injection;
/* Parse out the interesting things like file and number. */
newcomp->comp_param.field_param.field = atoi(keyword + strlen("field"));
char fileName[KEYWORD_SIZE];
getKeywordParam(keyword, "file=", fileName);
if (fileName[0] == '\0') {
if (!default_file) {
ERROR("No injection file was specified!\n");
}
newcomp->comp_param.field_param.filename = strdup(default_file);
} else {
newcomp->comp_param.field_param.filename = strdup(fileName);
}
if (inFiles.find(newcomp->comp_param.field_param.filename) == inFiles.end()) {
ERROR("Invalid injection file: %s\n", fileName);
}
char line[KEYWORD_SIZE];
getKeywordParam(keyword, "line=", line);
if (line[0]) {
/* Turn this into a new message component. */
newcomp->comp_param.field_param.line = new SendingMessage(msg_scenario, line, true);
}
} else if(!strncmp(keyword, "file", strlen("file"))) {
newcomp->type = E_Message_File;
/* Parse out the interesting things like file and number. */
char fileName[KEYWORD_SIZE];
getKeywordParam(keyword, "name=", fileName);
if (fileName[0] == '\0') {
ERROR("No name specified for 'file' keyword!\n");
}
/* Turn this into a new message component. */
newcomp->comp_param.filename = new SendingMessage(msg_scenario, fileName, true);
} else if(*keyword == '$') {
newcomp->type = E_Message_Variable;
if (!msg_scenario) {
ERROR("SendingMessage with variable usage outside of scenario!");
}
newcomp->varId = msg_scenario->get_var(keyword + 1, "Variable keyword");
} else if(!strncmp(keyword, "fill", strlen("fill"))) {
newcomp->type = E_Message_Fill;
char filltext[KEYWORD_SIZE];
char varName[KEYWORD_SIZE];
getKeywordParam(keyword, "text=", filltext);
if (filltext[0] == '\0') {
strcpy(filltext, "X");
}
getKeywordParam(keyword, "variable=", varName);
newcomp->literal = strdup(filltext);
newcomp->literalLen = strlen(newcomp->literal);
if (!msg_scenario) {
ERROR("SendingMessage with variable usage outside of scenario!");
}
newcomp->varId = msg_scenario->get_var(varName, "Fill Variable");
} else if(!strncmp(keyword, "last_", strlen("last_"))) {
newcomp->type = E_Message_Last_Header;
newcomp->literal = strdup(keyword + strlen("last_"));
newcomp->literalLen = strlen(newcomp->literal);
} else if(!strncmp(keyword, "authentication", strlen("authentication"))) {
parseAuthenticationKeyword(msg_scenario, newcomp, keyword);
}
#ifndef PCAPPLAY
else if(!strcmp(keyword, "auto_media_port") ||
!strcmp(keyword, "media_port") ||
!strcmp(keyword, "media_ip") ||
!strcmp(keyword, "media_ip_type")) {
ERROR("The %s keyword requires PCAPPLAY.\n", keyword);
}
#endif
else {
// scan for the generic parameters - must be last test
int i = 0;
while (generic[i]) {
char *msg1 = *generic[i];
char *msg2 = *(generic[i] + 1);
if(!strcmp(keyword, msg1)) {
newcomp->type = E_Message_Literal;
newcomp->literal = strdup(msg2);
newcomp->literalLen = strlen(newcomp->literal);
break;
}
++i;
}
if (!generic[i]) {
ERROR("Unsupported keyword '%s' in xml scenario file",
keyword);
}
}
messageComponents.push_back(newcomp);
}
}
if (literal[0]) {
*dest++ = '\0';
literalLen = dest - literal;
literal = (char *)realloc(literal, literalLen);
if (!literal) {
ERROR("Out of memory!");
}
MessageComponent *newcomp = (MessageComponent *)calloc(1, sizeof(MessageComponent));
if (!newcomp) {
ERROR("Out of memory!");
}
newcomp->type = E_Message_Literal;
newcomp->literal = literal;
newcomp->literalLen = literalLen-1;
messageComponents.push_back(newcomp);
} else {
free(literal);
}
if (skip_sanity) {
cancel = response = ack = false;
method = NULL;
free(osrc);
return;
}
if (numComponents() < 1) {
ERROR("Can not create a message that is empty!");
}
if (getComponent(0)->type != E_Message_Literal) {
ERROR("You can not use a keyword for the METHOD or to generate \"SIP/2.0\" to ensure proper [cseq] operation!\n%s\n", osrc);
}
char *p = method = strdup(getComponent(0)->literal);
char *q;
while (isspace(*p)) {
p++;
}
if (!(q = strchr(method, ' '))) {
ERROR("You can not use a keyword for the METHOD or to generate \"SIP/2.0\" to ensure proper [cseq] operation!%s\n", osrc);
}
*q++ = '\0';
while (isspace(*q)) {
q++;
}
if (!strcmp(method, "SIP/2.0")) {
char *endptr;
code = strtol(q, &endptr, 10);
if (*endptr && !isspace(*endptr)) {
ERROR("Invalid reply code: %s\n", q);
}
if (code < 100 || code >= 700) {
ERROR("Response codes must be in the range of 100-700");
}
response = true;
ack = false;
cancel = false;
free(method);
method = NULL;
} else {
if (p != method) {
memmove(method, p, strlen(p) + 1);
}
method = (char *)realloc(method, strlen(method) + 1);
if (!method) {
ERROR("Out of memory");
}
ack = (!strcmp(method, "ACK"));
cancel = (!strcmp(method, "CANCEL"));
response = false;
};
free(osrc);
}
SendingMessage::SendingMessage(scenario *msg_scenario, const char *src, bool skip_sanity, int dialog_number, bool use_txn) :
ack(false),cancel(false), response(false)
{
// should we parse out the _n portion of call here or later? Here would be faster and more
// in keepin with the existing style, I suppose...
const char *osrc = src;
char * literal;
int literalLen;
char * dest;
char * key;
char current_line[MAX_HEADER_LEN];
const char * line_mark = NULL;
int num_cr = get_cr_number(src);
this->msg_scenario = msg_scenario;
this->dialog_number = dialog_number;
dest = literal = (char *)malloc(strlen(src) + num_cr + 1);
literalLen = 0;
current_line[0] = '\0';
*dest = 0;
while(*src) {
/* If start of new line, copy through next \n into current_line */
if (current_line[0] == '\0') {
line_mark = strchr(src, '\n');
if (line_mark) {
int header_len = line_mark - src;
if (header_len > MAX_HEADER_LEN-1)
header_len = MAX_HEADER_LEN-1;
memcpy(current_line, src, header_len);
current_line[header_len] = '\0';
}
}
/* This hex encoding could be done in XML parsing, allowing us to skip
* these conditionals and branches. */
if ((*src == '\\') && (*(src+1) == 'x')) {
/* Allows any hex coded char like '\x5B' ([) */
src += 2;
if (isxdigit(*src)) {
int val = get_decimal_from_hex(*src);
src++;
if (isxdigit(*src)) {
val = (val << 4) + get_decimal_from_hex(*src);
}
*dest++ = val & 0xff;
}
src++;
} else if (*src == '\n') {
*dest++ = '\r';
*dest++ = *src++;
current_line[0] = '\0';
} else if (*src != '[') {
*dest++ = *src++;
} else {
/* We have found a keyword, store the literal that we have been generating. */
literalLen = dest - literal;
if (literalLen) {
*dest = '\0';
literal = (char *)realloc(literal, literalLen + 1);
if (!literal) {
REPORT_ERROR("Out of memory!");
}
MessageComponent *newcomp = (MessageComponent *)calloc(1, sizeof(MessageComponent));
if (!newcomp) {
REPORT_ERROR("Out of memory!");
}
newcomp->type = E_Message_Literal;
newcomp->literal = literal;
newcomp->literalLen = literalLen; // length without the terminator
newcomp->dialog_number = dialog_number;
messageComponents.push_back(newcomp);
} else {
free(literal);
}
dest = literal = (char *)malloc(strlen(src) + num_cr + 1);
literalLen = 0;
*dest = '\0';
/* Now lets determine which keyword we have. */
MessageComponent *newcomp = (MessageComponent *)calloc(1, sizeof(MessageComponent));
if (!newcomp) {
REPORT_ERROR("Out of memory!");
}
newcomp->dialog_number = dialog_number;
char keyword [KEYWORD_SIZE+1];
src++;
/* Like strchr, but don't count things in quotes. */
// cast away const of src [*UGLY*]
for(key = (char *) src; *key && *key != '\n'; key++) {
if (*key == '\"') {
do {
key++;
} while(*key && *key != '\"' && *key != '\n');
}
if (*key == ']')
break;
}
if (*key == '\n')
REPORT_ERROR("Cannot have end of line characters in the middle of keywords. Possibly a missing ']' or a duplicate 'CDATA[' section in scenario while parsing '%s'.", current_line);
if (*key != ']') {
key = NULL;
}
if((!key) || ((key - src) > KEYWORD_SIZE) || (!(key - src))) {
REPORT_ERROR("Syntax error or invalid [keyword] in scenario while parsing '%s'", current_line);
}
memcpy(keyword, src, key - src);
keyword[key - src] = 0;
src = key + 1;
// allow +/-n for numeric variables
newcomp->offset = 0;
if ((strncmp(keyword, "authentication", strlen("authentication")) && strncmp(keyword, "tdmmap", strlen("tdmmap")))) {
newcomp->offset = parseOffset(keyword);
/* end the string before the +/- sign so that the parser doesn't read it as an unrecognized keyword */
if(((key = strchr(keyword,'+')) || (key = strchr(keyword,'-'))) && isdigit(*(key+1))) *key = 0;
}
char *spc = NULL;
char ospc;
if ((spc = strchr(keyword, ' '))) {
ospc = *spc;
*spc = '\0';
}
kw_map::iterator it = keyword_map.find(keyword);
if (spc) {
*spc = ospc;
}
if (it != keyword_map.end()) {
newcomp->type = E_Message_Custom;
newcomp->comp_param.fxn = it->second;
messageComponents.push_back(newcomp);
continue;
}
bool simple_keyword = false;
for (unsigned int i = 0; i < sizeof(SimpleKeywords)/sizeof(SimpleKeywords[0]); i++) {
if (!strcmp(keyword, SimpleKeywords[i].keyword)) {
newcomp->type = SimpleKeywords[i].type;
simple_keyword = true;
break;
}
}
// check ip addresses for optional specifier for ipv6 esc
bool ip_keyword = false;
if (!simple_keyword) {
for (unsigned int i = 0; i< sizeof(IP_Keywords)/sizeof(IP_Keywords[0]); i++) {
//exact match or contains full keyword and a space
if ( !strcmp(keyword, IP_Keywords[i].keyword) ||
( !strncmp(keyword, IP_Keywords[i].keyword, strlen(IP_Keywords[i].keyword) ) &&
( strlen(keyword)> strlen(IP_Keywords[i].keyword )) &&
( keyword[strlen(IP_Keywords[i].keyword)] == ' ') ) ) {
newcomp->type = IP_Keywords[i].type;
if ((IP_Keywords[i].type == E_Message_Local_IP2)&&(strlen(local_ip2)==0))
REPORT_ERROR("Scenario uses [local_ip2], requires use of -i2 command line argument");
if( strstr(keyword, "no_square_bracket") ) {
// want the no escape version of the ip address
switch (IP_Keywords[i].type) {
case (E_Message_Remote_IP):
newcomp->type = E_Message_Remote_IP_noesc;
break;
case (E_Message_Local_IP):
newcomp->type = E_Message_Local_IP_noesc;
break;
case (E_Message_Local_IP2):
newcomp->type = E_Message_Local_IP2_noesc;
break;
case (E_Message_Server_IP):
newcomp->type = E_Message_Server_IP_noesc;
break;
case(E_Message_Media_IP):
newcomp->type = E_Message_Media_IP_noesc;
break;
default:
REPORT_ERROR("Unknown ip address specifier type %d while building message to send", IP_Keywords[i].keyword);
break;
}
}
ip_keyword = true;
break;
}
}//for
}
bool dialog_keyword = false;
for (unsigned int i = 0; i < sizeof(DialogSpecificKeywords)/sizeof(DialogSpecificKeywords[0]); i++) {
if (strstr(keyword, DialogSpecificKeywords[i].keyword) == keyword) {
newcomp->type = DialogSpecificKeywords[i].type;
parse_dialog_number(keyword, newcomp);
if ((use_txn) && (i <= HighestTransactionSpecificKeywordsIndex) && (newcomp->dialog_number != dialog_number)) {
REPORT_ERROR("Cannot use 'dialog=' attribute in [%s] keyword when also specifying 'use_txn' for the message.\n", keyword);
}
parse_encoding(keyword, newcomp);
dialog_keyword = true;
break;
}
}
if (newcomp->type == E_Message_Peer_Tag_Param || newcomp->type == E_Message_Remote_Tag_Param || newcomp->type == E_Message_Remote_Tag ) {
parse_generated(keyword, newcomp);
}
if (simple_keyword || dialog_keyword || ip_keyword) {
messageComponents.push_back(newcomp);
continue;
}
/* Now handle all the keywords which are neither simple nor determined solely by dialog */
if(!strncmp(keyword, "field", strlen("field"))) {
newcomp->type = E_Message_Injection;
/* Parse out the interesting things like file and number. */
newcomp->comp_param.field_param.field = atoi(keyword + strlen("field"));
char fileName[KEYWORD_SIZE];
getKeywordParam(keyword, "file=", fileName);
if (fileName[0] == '\0') {
if (!default_file) {
REPORT_ERROR("No injection file was specified!\n");
}
newcomp->comp_param.field_param.filename = strdup(default_file);
} else {
newcomp->comp_param.field_param.filename = strdup(fileName);
}
if (inFiles.find(newcomp->comp_param.field_param.filename) == inFiles.end()) {
REPORT_ERROR("Invalid injection file: %s\n", fileName);
}
char line[KEYWORD_SIZE];
getKeywordParam(keyword, "line=", line);
if (line[0]) {
/* Turn this into a new message component. */
newcomp->comp_param.field_param.line = new SendingMessage(msg_scenario, line, true, dialog_number);
}
} else if(!strncmp(keyword, "file", strlen("file"))) {
newcomp->type = E_Message_File;
/* Parse out the interesting things like file and number. */
char fileName[KEYWORD_SIZE];
getKeywordParam(keyword, "name=", fileName);
if (fileName[0] == '\0') {
REPORT_ERROR("No name specified for 'file' keyword!\n");
}
/* Turn this into a new message component. */
newcomp->comp_param.filename = new SendingMessage(msg_scenario, fileName, true, dialog_number);
} else if(*keyword == '$') {
newcomp->type = E_Message_Variable;
if (!msg_scenario) {
REPORT_ERROR("SendingMessage with variable usage outside of scenario!");
}
newcomp->varId = msg_scenario->get_var(keyword + 1, "Variable keyword");
} else if(!strncmp(keyword, "fill", strlen("fill"))) {
newcomp->type = E_Message_Fill;
char filltext[KEYWORD_SIZE];
char varName[KEYWORD_SIZE];
getKeywordParam(keyword, "text=", filltext);
if (filltext[0] == '\0') {
strcpy(filltext, "X");
}
getKeywordParam(keyword, "variable=", varName);
newcomp->literal = strdup(filltext);
newcomp->literalLen = strlen(newcomp->literal);
if (!msg_scenario) {
REPORT_ERROR("SendingMessage with variable usage outside of scenario!");
}
newcomp->varId = msg_scenario->get_var(varName, "Fill Variable");
} else if(!strncmp(keyword, "last_", strlen("last_"))) {
newcomp->type = E_Message_Last_Header;
// parse optional dialog/value only parameter
bool is_dialog_number = parse_dialog_number(keyword, newcomp);
bool is_value_only = parse_value_only(keyword, newcomp);
if (is_dialog_number || is_value_only) {
// if dialog= specified, only copy header portion
if (use_txn && strstr(keyword, "dialog=")) {
REPORT_ERROR("Cannot use 'dialog=' attribute in [last_] keyword when also specifying 'use_txn' for the message.\n");
}
const char *diagptr = strstr(keyword, "dialog=");
const char *valueptr = strstr(keyword, "value_only=");
const char *index;
if(diagptr) {
// if both pointers exist start from the one closer to the beginning
if(valueptr) index = (diagptr < valueptr) ? diagptr : valueptr;
else index = diagptr;
} else if (valueptr) {
index = valueptr;
} else REPORT_ERROR("Incorrect formatting of options in \"last_\" header");
//Back up the pointer to the end of the last_* so we can extract * correctly
while ((index > keyword) && (*(index-1) == ' ')) index--;
newcomp->literal = strndup(keyword + strlen("last_"), index - keyword - strlen("last_"));
} else
newcomp->literal = strdup(keyword + strlen("last_"));
newcomp->literalLen = strlen(newcomp->literal);
} else if(!strncmp(keyword, "authentication", strlen("authentication"))) {
parseAuthenticationKeyword(msg_scenario, newcomp, keyword);
}
#ifndef PCAPPLAY
else if(!strcmp(keyword, "auto_media_port") ||
!strcmp(keyword, "media_port") ||
!strcmp(keyword, "media_ip") ||
!strcmp(keyword, "media_ip_type")) {
REPORT_ERROR("The %s keyword requires PCAPPLAY.\n", keyword);
}
#endif
#ifndef _USE_OPENSSL
else if(!strcmp(keyword, "authentication")) {
REPORT_ERROR("The %s keyword requires OpenSSL.\n", keyword);
}
#endif
else {
// scan for the generic parameters - must be last test
int i = 0;
while (generic[i]) {
char *msg1 = *generic[i];
char *msg2 = *(generic[i] + 1);
if(!strcmp(keyword, msg1)) {
newcomp->type = E_Message_Literal;
newcomp->literal = strdup(msg2);
newcomp->literalLen = strlen(newcomp->literal);
break;
}
++i;
}
if (!generic[i]) {
REPORT_ERROR("Unsupported keyword '%s' in xml scenario file",
keyword);
}
}
messageComponents.push_back(newcomp);
}
}
if (literal[0]) {
*dest++ = '\0';
literalLen = dest - literal;
literal = (char *)realloc(literal, literalLen);
if (!literal) {
REPORT_ERROR("Out of memory!");
}
MessageComponent *newcomp = (MessageComponent *)calloc(1, sizeof(MessageComponent));
if (!newcomp) {
REPORT_ERROR("Out of memory!");
}
newcomp->type = E_Message_Literal;
newcomp->literal = literal;
newcomp->literalLen = literalLen-1;
messageComponents.push_back(newcomp);
} else {
free(literal);
}
if (skip_sanity) {
cancel = response = ack = false;
method = NULL;
return;
}
if (numComponents() < 1) {
REPORT_ERROR("Can not create a message that is empty!");
}
if (getComponent(0)->type != E_Message_Literal) {
REPORT_ERROR("You can not use a keyword for the METHOD or to generate \"SIP/2.0\" to ensure proper [cseq] operation!\n%s\n", osrc);
}
char *p = method = strdup(getComponent(0)->literal);
char *q;
while (isspace(*p)) {
p++;
}
if (!(q = strchr(method, ' '))) {
REPORT_ERROR("You can not use a keyword for the METHOD or to generate \"SIP/2.0\" to ensure proper [cseq] operation!%s\n", osrc);
}
*q++ = '\0';
while (isspace(*q)) {
q++;
}
if (!strcmp(method, "SIP/2.0")) {
char *endptr;
code = strtol(q, &endptr, 10);
if (*endptr && !isspace(*endptr)) {
REPORT_ERROR("Invalid reply code: %s\n", q);
}
if (code < 100 || code >= 700) {
REPORT_ERROR("Response codes must be in the range of 100-700");
}
response = true;
ack = false;
cancel = false;
free(method);
method = NULL;
} else {
if (p != method) {
memmove(method, p, strlen(p) + 1);
}
method = (char *)realloc(method, strlen(method) + 1);
if (!method) {
REPORT_ERROR("Out of memory");
}
ack = (!strcmp(method, "ACK"));
cancel = (!strcmp(method, "CANCEL"));
response = false;
}
}