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Fix ISDN calling subaddr User Specified Odd/Even Flag

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Calculation of the Odd/Even flag was wrong.
Implement correct algo, and set odd/even=0 if data would be truncated.
Only allow automatic calculation of the O/E flag, don't let dialplan influence.

(closes issue #19062)
Reported by: festr
Patches: 
      bug19062.diff2.txt uploaded by alecdavis (license 585)
Tested by: festr, alecdavis, rmudgett



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@313001 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Alec L Davis
2011-04-07 10:19:31 +00:00
parent 4242cb82f4
commit 20ef1e9c95
1 changed files with 9 additions and 5 deletions
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14
channels/sig_pri.c
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@@ -739,8 +739,14 @@ static void sig_pri_party_subaddress_from_ast(struct pri_party_subaddress *pri_s
int length = ast_pri_pack_hex_string(pri_subaddress->data,
ast_subaddress->str, sizeof(pri_subaddress->data));
pri_subaddress->length = length;
pri_subaddress->odd_even_indicator = (length & 1);
pri_subaddress->length = length; /* packed data length */
length = strlen(ast_subaddress->str);
if (length > 2 * sizeof(pri_subaddress->data)) {
pri_subaddress->odd_even_indicator = 0;
} else {
pri_subaddress->odd_even_indicator = (length & 1);
}
pri_subaddress->valid = 1;
}
}
@@ -6415,12 +6421,10 @@ int sig_pri_call(struct sig_pri_chan *p, struct ast_channel *ast, char *rdest, i
s++;
/* prefix */
/* 'n' = NSAP */
/* 'U' = odd, 'u'= even */
/* 'u' = User Specified */
/* Default = NSAP */
switch (*s) {
case 'U':
dialed_subaddress.odd_even_indicator = 1;
/* fall through */
case 'u':
s++;
dialed_subaddress.type = 2;