int
call_msg_is_retrans(sip_msg_t *msg)
{
sip_msg_t *prev = NULL;
vector_iter_t it;
// Get previous message in call with same origin and destination
it = vector_iterator(msg->call->msgs);
vector_iterator_set_current(&it, vector_index(msg->call->msgs, msg));
while ((prev = vector_iterator_prev(&it))) {
if (!strcmp(SRC(prev), SRC(msg)) && !strcmp(DST(prev), DST(msg)))
break;
}
return (prev && !strcasecmp(msg_get_payload(msg), msg_get_payload(prev)));
}
sip_msg_t *
sip_parse_msg(sip_msg_t *msg)
{
if (msg && !msg->cseq) {
sip_parse_msg_payload(msg, (u_char*) msg_get_payload(msg));
}
return msg;
}
int
call_msg_is_retrans(sip_msg_t *msg)
{
sip_msg_t *prev = NULL;
vector_iter_t it;
// Get previous message in call with same origin and destination
it = vector_iterator(msg->call->msgs);
vector_iterator_set_current(&it, vector_index(msg->call->msgs, msg));
while ((prev = vector_iterator_prev(&it))) {
if (addressport_equals(prev->packet->src, msg->packet->src) &&
addressport_equals(prev->packet->dst, msg->packet->dst))
break;
}
return (prev && !strcasecmp(msg_get_payload(msg), msg_get_payload(prev)));
}
int
msg_diff_draw(ui_t *ui)
{
// Get panel information
msg_diff_info_t *info = msg_diff_info(ui);
char highlight[4086];
// Draw first message
memset(highlight, 0, sizeof(highlight));
msg_diff_line_highlight(msg_get_payload(info->one), msg_get_payload(info->two), highlight);
msg_diff_draw_message(info->one_win, info->one, highlight);
// Draw second message
memset(highlight, 0, sizeof(highlight));
msg_diff_line_highlight(msg_get_payload(info->two), msg_get_payload(info->one), highlight);
msg_diff_draw_message(info->two_win, info->two, highlight);
// Redraw footer
msg_diff_draw_footer(ui);
return 0;
}
void
save_msg_txt(FILE *f, sip_msg_t *msg)
{
char date[20], time[20], src[80], dst[80];
fprintf(f, "%s %s %s -> %s\n%s\n\n",
msg_get_attribute(msg, SIP_ATTR_DATE, date),
msg_get_attribute(msg, SIP_ATTR_TIME, time),
msg_get_attribute(msg, SIP_ATTR_SRC, src),
msg_get_attribute(msg, SIP_ATTR_DST, dst),
msg_get_payload(msg));
}
int
msg_diff_draw_message(WINDOW *win, sip_msg_t *msg, char *highlight)
{
int height, width, line, column, i;
char header[256];
const char * payload = msg_get_payload(msg);
// Clear the window
werase(win);
// Get window of main panel
getmaxyx(win, height, width);
wattron(win, A_BOLD);
mvwprintw(win, 0, 0, sip_get_msg_header(msg, header));
wattroff(win, A_BOLD);
// Print msg payload
line = 2;
column = 0;
for (i = 0; i < strlen(payload); i++) {
if (payload[i] == '\r')
continue;
if (column == width || payload[i] == '\n') {
line++;
column = 0;
continue;
}
if (line == height)
break;
if (highlight[i] == '1') {
wattron(win, COLOR_PAIR(CP_YELLOW_ON_DEF));
} else {
wattroff(win, COLOR_PAIR(CP_YELLOW_ON_DEF));
}
// Put next character in position
mvwaddch(win, line, column++, payload[i]);
}
// Redraw raw win
wnoutrefresh(win);
return 0;
}
int
call_raw_print_msg(PANEL *panel, sip_msg_t *msg)
{
call_raw_info_t *info;
int payload_lines, i, column, height, width;
// Message ngrep style Header
char header[256];
char payload[2048];
int color = 0;
// Get panel information
if (!(info = call_raw_info(panel)))
return -1;
// Get the pad window
WINDOW *pad = info->pad;
// Get current pad dimensions
getmaxyx(pad, height, width);
// Get message payload
strcpy(payload, msg_get_payload(msg));
// Check how many lines we well need to draw this message
payload_lines = 0;
column = 0;
for (i = 0; i < strlen(payload); i++) {
if (column == width || payload[i] == '\n') {
payload_lines++;
column = 0;
continue;
}
column++;
}
// Check if we have enough space in our huge pad to store this message
if (info->padline + payload_lines > height) {
// Create a new pad with more lines!
pad = newpad(height + 500, COLS);
// And copy all previous information
overwrite(info->pad, pad);
// Delete previous pad
delwin(info->pad);
// And store the new pad
info->pad = pad;
}
// Color the message {
if (setting_has_value(SETTING_COLORMODE, "request")) {
// Determine arrow color
if (msg_is_request(msg)) {
color = CP_RED_ON_DEF;
} else {
color = CP_GREEN_ON_DEF;
}
} else if (info->group && setting_has_value(SETTING_COLORMODE, "callid")) {
// Color by call-id
color = call_group_color(info->group, msg->call);
} else if (setting_has_value(SETTING_COLORMODE, "cseq")) {
// Color by CSeq within the same call
color = msg->cseq % 7 + 1;
}
// Turn on the message color
wattron(pad, COLOR_PAIR(color));
// Print msg header
wattron(pad, A_BOLD);
mvwprintw(pad, info->padline++, 0, "%s", sip_get_msg_header(msg, header));
wattroff(pad, A_BOLD);
// Print msg payload
info->padline += draw_message_pos(pad, msg, info->padline);
// Extra line between messages
info->padline++;
// Set this as the last printed message
info->last = msg;
return 0;
}
int
draw_message_pos(WINDOW *win, sip_msg_t *msg, int starting)
{
int height, width, line, column, i;
const char *cur_line, *payload;
int syntax = setting_enabled(SETTING_SYNTAX);
// Default text format
int attrs = A_NORMAL | COLOR_PAIR(CP_DEFAULT);
if (syntax)
wattrset(win, attrs);
// Get window of main panel
getmaxyx(win, height, width);
// Get packet payload
cur_line = payload = (const char *) msg_get_payload(msg);
// Print msg payload
line = starting;
column = 0;
for (i = 0; i < strlen(payload); i++) {
// If syntax highlighting is enabled
if (syntax) {
// First line highlight
if (line == starting) {
// Request syntax
if (i == 0 && strncmp(cur_line, "SIP/2.0", 7))
attrs = A_BOLD | COLOR_PAIR(CP_YELLOW_ON_DEF);
// Response syntax
if (i == 8 && !strncmp(cur_line, "SIP/2.0", 7))
attrs = A_BOLD | COLOR_PAIR(CP_RED_ON_DEF);
// SIP URI syntax
if (!strncasecmp(payload + i, "sip:", 4)) {
attrs = A_BOLD | COLOR_PAIR(CP_CYAN_ON_DEF);
}
} else {
// Header syntax
if (strchr(cur_line, ':') && payload + i < strchr(cur_line, ':'))
attrs = A_NORMAL | COLOR_PAIR(CP_GREEN_ON_DEF);
// Call-ID Header syntax
if (!strncasecmp(cur_line, "Call-ID:", 8) && column > 8)
attrs = A_BOLD | COLOR_PAIR(CP_MAGENTA_ON_DEF);
// CSeq Heaedr syntax
if (!strncasecmp(cur_line, "CSeq:", 5) && column > 5 && !isdigit(payload[i]))
attrs = A_NORMAL | COLOR_PAIR(CP_YELLOW_ON_DEF);
// tag and branch syntax
if (i > 0 && payload[i - 1] == ';') {
// Highlight branch if requested
if (setting_enabled(SETTING_SYNTAX_BRANCH)) {
if (!strncasecmp(payload + i, "branch", 6)) {
attrs = A_BOLD | COLOR_PAIR(CP_CYAN_ON_DEF);
}
}
// Highlight tag if requested
if (setting_enabled(SETTING_SYNTAX_TAG)) {
if (!strncasecmp(payload + i, "tag", 3)) {
if (!strncasecmp(cur_line, "From:", 5)) {
attrs = A_BOLD | COLOR_PAIR(CP_DEFAULT);
} else {
attrs = A_BOLD | COLOR_PAIR(CP_GREEN_ON_DEF);
}
}
}
}
// SDP syntax
if (strcspn(cur_line, "=") == 1)
attrs = A_NORMAL | COLOR_PAIR(CP_DEFAULT);
}
// Remove previous syntax
if (strcspn(payload + i, " \n;<>") == 0) {
wattroff(win, attrs);
attrs = A_NORMAL | COLOR_PAIR(CP_DEFAULT);
}
// Syntax hightlight text!
wattron(win, attrs);
}
// Dont print this characters
if (payload[i] == '\r')
continue;
// Store where the line begins
if (payload[i] == '\n')
cur_line =payload + i + 1;
// Move to the next line if line is filled or a we reach a line break
if (column > width || payload[i] == '\n') {
line++;
column = 0;
continue;
}
// Put next character in position
mvwaddch(win, line, column++, payload[i]);
// Stop if we've reached the bottom of the window
if (line == height)
break;
}
// Disable syntax when leaving
if (syntax)
wattroff(win, attrs);
// Redraw raw win
wnoutrefresh(win);
return line - starting;
}
