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Add ability to look up callerid name by txt (bug #1442)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2986 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-05-16 18:12:16 +00:00
parent 2dfb2d723f
commit e2dd1cc3da
4 changed files with 237 additions and 1 deletions
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86
enum.c
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@@ -39,6 +39,11 @@
#define T_NAPTR 35
#endif
#ifdef __APPLE__
#undef T_TXT
#define T_TXT 16
#endif
#define TOPLEV "e164.arpa."
static struct enum_search {
@@ -226,9 +231,31 @@ struct enum_context {
int dstlen;
char *tech;
int techlen;
char *txt;
int txtlen;
char *naptrinput;
};
static int txt_callback(void *context, u_char *answer, int len, u_char *fullanswer)
{
struct enum_context *c = (struct enum_context *)context;
#if 0
printf("ENUMTXT Called\n");
#endif
if(answer != NULL)
{
c->txtlen = strlen(answer) - 2;
strncpy(c->txt, answer, 255);
c->txt[c->txtlen] = 0;
return 1;
} else {
c->txt = NULL;
c->txtlen = 0;
return 0;
}
}
static int enum_callback(void *context, u_char *answer, int len, u_char *fullanswer)
{
struct enum_context *c = (struct enum_context *)context;
@@ -301,6 +328,65 @@ int ast_get_enum(struct ast_channel *chan, const char *number, char *dst, int ds
return ret;
}
int ast_get_txt(struct ast_channel *chan, const char *number, char *dst, int dstlen, char *tech, int techlen, char *txt, int txtlen)
{
struct enum_context context;
char tmp[259 + 80];
char naptrinput[80] = "+";
int pos = strlen(number) - 1;
int newpos = 0;
int ret = -1;
struct enum_search *s = NULL;
int version = -1;
strncat(naptrinput, number, sizeof(naptrinput) - 2);
context.naptrinput = naptrinput;
context.dst = dst;
context.dstlen = dstlen;
context.tech = tech;
context.techlen = techlen;
context.txt = txt;
context.txtlen = txtlen;
if (pos > 128)
pos = 128;
while(pos >= 0) {
tmp[newpos++] = number[pos--];
tmp[newpos++] = '.';
}
if (chan && ast_autoservice_start(chan) < 0)
return -1;
for(;;) {
ast_mutex_lock(&enumlock);
if (version != enumver) {
/* Ooh, a reload... */
s = toplevs;
version = enumver;
} else {
s = s->next;
}
if (s) {
strcpy(tmp + newpos, s->toplev);
}
ast_mutex_unlock(&enumlock);
if (!s)
break;
ret = ast_search_dns(&context, tmp, C_IN, T_TXT, txt_callback);
if (ret > 0)
break;
}
if (ret < 0) {
ast_log(LOG_DEBUG, "No such number found: %s (%s)\n", tmp, strerror(errno));
ret = 0;
}
if (chan)
ret |= ast_autoservice_stop(chan);
return ret;
}
static struct enum_search *enum_newtoplev(char *s)
{
struct enum_search *tmp;