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CallerID: Fix parsing of malformed callerid

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This allows the callerid parsing function to handle malformed input
strings and strings containing escaped and unescaped double quotes.
This also adds a unittest to cover many of the cases where the parsing
algorithm previously failed.

Review: https://reviewboard.asterisk.org/r/3923/
Review: https://reviewboard.asterisk.org/r/3933/
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Merged revisions 422112 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 422113 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 422114 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@422154 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2014-08-27 15:31:35 +00:00
parent e985cb076d
commit a4a58c2771
7 changed files with 342 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
channels/chan_sip.c
View File

@@ -12538,6 +12538,7 @@ static int add_rpid(struct sip_request *req, struct sip_pvt *p)
{
struct ast_str *tmp = ast_str_alloca(256);
char tmp2[256];
char lid_name_buf[128];
char *lid_num;
char *lid_name;
int lid_pres;
@@ -12563,6 +12564,7 @@ static int add_rpid(struct sip_request *req, struct sip_pvt *p)
if (!lid_name) {
lid_name = lid_num;
}
ast_escape_quoted(lid_name, lid_name_buf, sizeof(lid_name_buf));
lid_pres = ast_party_id_presentation(&connected_id);
if (((lid_pres & AST_PRES_RESTRICTION) != AST_PRES_ALLOWED) &&
@@ -12586,7 +12588,7 @@ static int add_rpid(struct sip_request *req, struct sip_pvt *p)
if (ast_test_flag(&p->flags[1], SIP_PAGE2_TRUST_ID_OUTBOUND) != SIP_PAGE2_TRUST_ID_OUTBOUND_LEGACY) {
/* trust_id_outbound = yes - Always give full information even if it's private, but append a privacy header
* When private data is included */
ast_str_set(&tmp, -1, "\"%s\" <sip:%s@%s>", lid_name, lid_num, fromdomain);
ast_str_set(&tmp, -1, "\"%s\" <sip:%s@%s>", lid_name_buf, lid_num, fromdomain);
if ((lid_pres & AST_PRES_RESTRICTION) != AST_PRES_ALLOWED) {
add_header(req, "Privacy", "id");
}
@@ -12594,14 +12596,14 @@ static int add_rpid(struct sip_request *req, struct sip_pvt *p)
/* trust_id_outbound = legacy - behave in a non RFC-3325 compliant manner and send anonymized data when
* when handling private data. */
if ((lid_pres & AST_PRES_RESTRICTION) == AST_PRES_ALLOWED) {
ast_str_set(&tmp, -1, "\"%s\" <sip:%s@%s>", lid_name, lid_num, fromdomain);
ast_str_set(&tmp, -1, "\"%s\" <sip:%s@%s>", lid_name_buf, lid_num, fromdomain);
} else {
ast_str_set(&tmp, -1, "%s", anonymous_string);
}
}
add_header(req, "P-Asserted-Identity", ast_str_buffer(tmp));
} else {
ast_str_set(&tmp, -1, "\"%s\" <sip:%s@%s>;party=%s", lid_name, lid_num, fromdomain, p->outgoing_call ? "calling" : "called");
ast_str_set(&tmp, -1, "\"%s\" <sip:%s@%s>;party=%s", lid_name_buf, lid_num, fromdomain, p->outgoing_call ? "calling" : "called");
switch (lid_pres) {
case AST_PRES_ALLOWED_USER_NUMBER_NOT_SCREENED:
@@ -18857,7 +18859,10 @@ static void receive_message(struct sip_pvt *p, struct sip_request *req, struct a
from = (char *) get_calleridname(from, from_name, sizeof(from_name));
from = get_in_brackets(from);
if (from_name[0]) {
res |= ast_msg_set_from(msg, "\"%s\" <%s>", from_name, from);
char from_buf[128];
ast_escape_quoted(from_name, from_buf, sizeof(from_buf));
res |= ast_msg_set_from(msg, "\"%s\" <%s>", from_buf, from);
} else {
res |= ast_msg_set_from(msg, "<%s>", from);
}