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Properly decode strings in REPLACES and ignore leading whitespace 

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1732 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer 2003-11-13 00:43:02 +00:00
parent 270c8e3746
commit d21c6b7c13
1 changed files with 20 additions and 4 deletions
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24
channels/chan_sip.c
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@ -3684,6 +3684,18 @@ static int get_destination(struct sip_pvt *p, struct sip_request *oreq)
return -1;
}
static int hex2int(char a)
{
if ((a >= '0') && (a <= '9')) {
return a - '0';
} else if ((a >= 'a') && (a <= 'f')) {
return a - 'a' + 10;
} else if ((a >= 'A') && (a <= 'F')) {
return a - 'A' + 10;
}
return 0;
}
static int get_refer_info(struct sip_pvt *p, struct sip_request *oreq)
{
char tmp[256] = "", *c, *a;
@ -3722,13 +3734,17 @@ static int get_refer_info(struct sip_pvt *p, struct sip_request *oreq)
if ((a = strchr(tmp5, '%'))) {
/* Yuck! Pingtel converts the '@' to a %40, icky icky! Convert
back to an '@' */
if ((a[1] == '4') && (a[2] == '0')) {
*a = '@';
memmove(a + 1, a+3, strlen(a + 3));
}
*a = hex2int(a[1]) * 16 + hex2int(a[2]);
memmove(a + 1, a+3, strlen(a + 3) + 1);
}
if ((a = strchr(tmp5, '%')))
*a = '\0';
if ((a = strchr(tmp5, ';')))
*a = '\0';
/* Skip leading whitespace */
while(tmp[0] && (tmp[0] < 33))
memmove(tmp, tmp+1, strlen(tmp));
}
}