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FS-6940 #resolve #comment %FEATURE use the variable digits_dialed_filter to set regular expressions with () captures and anything matched will be replaced with X's in the CDR

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This commit is contained in:
Anthony Minessale 2014-10-23 12:47:27 -05:00
parent 7d6d4d3693
commit 8d720d5bcc
1 changed files with 42 additions and 2 deletions
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44
src/switch_channel.c
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@ -33,7 +33,7 @@
#include <switch.h>
#include <switch_channel.h>
#include <pcre.h>
struct switch_cause_table {
const char *name;
@ -4277,7 +4277,47 @@ SWITCH_DECLARE(switch_status_t) switch_channel_set_timestamps(switch_channel_t *
}
if (x) {
switch_channel_set_variable(channel, "digits_dialed", dtstr);
const char *var = switch_channel_get_variable(channel, "digits_dialed_filter");
char *digit_string = dtstr;
char *X = NULL;
switch_regex_t *re = NULL;
char *substituted = NULL;
if (!zstr(var)) {
int proceed = 0;
int ovector[30];
if ((proceed = switch_regex_perform(dtstr, var, &re, ovector, sizeof(ovector) / sizeof(ovector[0])))) {
int len = (strlen(dtstr) + strlen(var) + 10) * proceed;
int i = 0;
const char *replace = NULL;
X = malloc(len);
for (i = 0; i < proceed; i++) {
if (pcre_get_substring(dtstr, ovector, proceed, i, &replace) > 0) {
switch_size_t plen = strlen(replace);
memset(X, 'X', plen);
*(X+plen) = '\0';
switch_safe_free(substituted);
substituted = switch_string_replace(substituted ? substituted : dtstr, replace, X);
printf("WTF [%s][%s]\n", replace, substituted);
pcre_free_substring(replace);
}
}
if (!zstr(substituted)) {
digit_string = substituted;
}
}
}
switch_channel_set_variable(channel, "digits_dialed", digit_string);
switch_regex_safe_free(re);
switch_safe_free(substituted);
switch_safe_free(X);
} else {
switch_channel_set_variable(channel, "digits_dialed", "none");
}