3 Feb
2023
3 Feb
'23
5:05 p.m.
Hello,
after receiving
INVITE sip:test-gnome-calls@bapha.be SIP/2.0
Via: SIP/2.0/WSS bapha.be;branch=z9hG4bK974100
Max-Forwards: 70
To: <sip:test-gnome-calls@bapha.be>
From: "Online https://sip.bapha.be" <sip:online@bapha.be>;tag=12q2efc423
Call-ID: fkhe8faq0fh80glmq59i
CSeq: 5622 INVITE
Contact: <sip:4q5ne5no@bapha.be;transport=ws;ob>
Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER
Supported: outbound
User-Agent: SIP.js/0.7.8
Content-Type: application/sdp
Content-Length: 1964
v=0
o=mozilla...THIS_IS_SDPARTA-99.0 8263261229339246488 0 IN IP4 0.0.0.0
s=-
…
kamailio calls
th_mask_encode(
char *in = "sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562;alias=87.118.146.153~60722~2>;+sip.instance=\"<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>";+org.linphone.specs=\"conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime\n"\
"Content-Type: application/sdp and so on",
int ilen = 107,
str prefix = { .len = 23, .s ="sip:127.3.4.84;line=sr-" },
int *olen).
It returns olen=167, and the string "sip:127.3.4.84;line=sr-
if7s1mg7i36PNf0AbdwPpfzlbqWEpLzsSGItpLwyN39ZMY4t1mCTSd6DNo4LWdIOpfpPp5FLpUQscX63Kd47W5EPWO6sNL90pLgoW5p-1fzlSdzO25n3KoIk1vHkWXptc5wOeopsWO9-eo9*".
Then Kamailio forwards (sends):
Contact:
<sip:127.3.4.84;line=sr-if7s1mg7i36PNf0AbdwPpfzlbqWEpLzsSGItpLwyN39ZMY4t1mCTSd6DNo4LWdIOpfpPp5FLpUQscX63Kd47W5EPWO6sNL90pLgoW5p-
1fzlSdzO25n3KoIk1vHkWXptc5wOeopsWO9-eo9*>;+sip.instance="<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>";+org.linphone.specs="conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime"
which at some point leads to
ACK
sip:127.3.4.84;line=sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-
1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9* SIP/2.0
and
BYE
sip:127.3.4.84;line=sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-
1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9* SIP/2.0
Below you can find th_test.c . The functions th_mask_encode() and th_mask_decode() there
are identical to the same functions in
src/modules/topoh/th_mask.c . main() provides some tests:
Passing «sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562;alias=87.118.146.153~60472~2>;+sip.instance="<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>";+org.linphone.specs="conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime»
to th_mask_encode() returns
sip:127.3.4.84;line=sr-if7s1mg7i36PNf0AbdwPpfzlbqWEpLzsSGItpLwyN39ZMY4t1mCTSd6DNo4LWdIOpfpPp5FLpUQscX63Kd47W5EPWO6sNL90pLgoW5p-
1fzlSdzO25n3KoIk1vHkWXptc5wOeopsWXi-eo9*
(this is what Kamailio does send out). Passing the last string to th_mask_decode()
returns
sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-740fb9bdc562;alias=87.118.1
the ;alias= is incomplete, compared to the origin.
The above ACK leads to passing
"sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9*
SIP/2.0\n"\
"Route:
<sip:Q+L06HX94DMPtQWQTI5OE8SQTI5O4MY=@144.76.142.78;transport=ws;r2=on;lr;nat=yes>\n"\
"Route:
<sip:127.3.4.84;line=sr-if7s17IB5XEfVzn0WIgWwqggCTzwV5C2g5R5wCg4WwrQ5CuZ6XIQWvH3WUHkWX9tWOnyMq4RbmWsb34Q2YgoiXP-coTAboPlioPtpY6Z8dCO>\n"\
to th_mask_decode() and the result is
callub.p.b;rn:s.d2lQg#cfa=bA07beQ7R409bcQ62;alac=87718*1P.15#~60R22~2 with the dots being
unprintable
characters. (result is garbage).
I have seen that callub.p.b in the unparsable R-URI reports from Kamailio.
That is an indication that th_mask_decode() does not decode the Contact encoded by
th_mask_encode() correctly.
Valgrind does not report improper memory usage.
Greetings
Dilyan
gcc -g -o th-test ./th-test.c && ./th-test
th-test.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TH_EB64I \
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-"
char _th_EB64[65] =
"EFvXIzGq94xKcW126gV5wCdYpNSbiM8enRUou7LmhajBlPtAsk-OQTf3H0DyrZ.J";
int _th_DB64[256];
char *_th_PD64 = "*";
struct str_ {
char* s; /**< Pointer to the first character of the string */
int len; /**< Length of the string */
};
typedef struct str_ str;
str prefix = { .len = 23, .s ="sip:127.3.4.84;line=sr-" };
char* th_mask_encode(char *in, int ilen, const str *prefix, int *olen);
char* th_mask_decode(char *in, int ilen, const str *prefix, int extra, int *olen);
char* th_mask_encode(char *in, int ilen, const str *prefix, int *olen)
{
char *out;
int left;
int idx;
int i;
int r;
char *p;
int block;
*olen = (((ilen+2)/3)<<2) +
((prefix!=NULL&&prefix->len>0)?prefix->len:0);
out = (char*)malloc((*olen+1)*sizeof(char));
if(out==NULL)
{
fprintf(stderr, "malloc error\n");
*olen = 0;
return NULL;
}
memset(out, 0, (*olen+1)*sizeof(char));
if(prefix!=NULL&&prefix->len>0)
memcpy(out, prefix->s, prefix->len);
p = out + (int)((prefix!=NULL&&prefix->len>0)?prefix->len:0);
for(idx=0; idx<ilen; idx+=3)
{
left = ilen - idx - 1 ;
left = (left>1)?2:left;
block = 0;
for(i=0, r=16; i<=left; i++, r-=8)
block += ((unsigned char)in[idx+i]) << r;
*(p++) = _th_EB64[(block >> 18) & 0x3f];
*(p++) = _th_EB64[(block >> 12) & 0x3f];
*(p++) = (left>0)?_th_EB64[(block >> 6) & 0x3f]:_th_PD64[0];
*(p++) = (left>1)?_th_EB64[block & 0x3f]:_th_PD64[0];
}
return out;
}
char* th_mask_decode(char *in, int ilen, const str *prefix, int extra, int *olen)
{
char *out;
int n;
int block;
int idx;
int i;
int j;
int end;
char c;
for(n=0,i=ilen-1; in[i]==_th_PD64[0]; i--)
n++;
*olen = (((ilen-((prefix!=NULL&&prefix->len>0)?prefix->len:0)) * 6)
>> 3)
- n;
if (*olen<=0) {
return NULL;
}
out = (char*)malloc((*olen+1+extra)*sizeof(char));
if(out==NULL)
{
fprintf(stderr, "malloc error\n");
*olen = 0;
return NULL;
}
memset(out, 0, (*olen+1+extra)*sizeof(char));
end = ilen - n;
i = (prefix!=NULL&&prefix->len>0)?prefix->len:0;
for(idx=0; i<end; idx+=3)
{
block = 0;
for(j=0; j<4 && i<end ; j++)
{
c = _th_DB64[(int)in[i++]];
if(c<0)
{
free(out);
*olen = 0;
return NULL;
}
block += c << (18 - 6*j);
}
for(j=0, n=16; j<3 && idx+j< *olen; j++, n-=8)
out[idx+j] = (char)((block >> n) & 0xff);
}
return out;
}
int main() {
//this is from th_mask_init
for(int i=0; i<256; i++)
_th_DB64[i] = -1;
for(int i=0; i<64; i++)
_th_DB64[(int)_th_EB64[i]] = i;
int olen, o2;
char *end;
char *input = "sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562;alias=87.118.146.153~60472~2>;+sip.instance=\"<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>\";+org.linphone.specs=\"conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime\"";
printf("input=[%s]\n", input);
char* middle = th_mask_encode (input, 107, &prefix, &olen);
printf("olen = %i, middle=[%s]\n", olen, middle);
end = th_mask_decode(middle, 147, &prefix, 0, &o2);
printf("o2 = %i, end=[%s]\n", o2, end);
char * b1 =
"sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-
1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9*";
o2 = 0;
end = th_mask_decode(b1, 147, &prefix, 0, &o2);
printf("o2 = %i, end=[%s]\n", o2, end);
char* b2 =
"sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9*
SIP/2.0\n"\
"Route:
<sip:Q+L06HX94DMPtQWQTI5OE8SQTI5O4MY=@144.76.142.78;transport=ws;r2=on;lr;nat=yes>\n"\
"Route:
<sip:127.3.4.84;line=sr-if7s17IB5XEfVzn0WIgWwqggCTzwV5C2g5R5wCg4WwrQ5CuZ6XIQWvH3WUHkWX9tWOnyMq4RbmWsb34Q2YgoiXP-coTAboPlioPtpY6Z8dCO>\n"\
"Via: SIP/2.0/WSS bapha.be;branch=z9hG4bK9069155\n"\
"Max-Forwards: 70\n"\
"To: <sip:test-gnome-calls@bapha.be>;tag=Pn4npAj\n"\
"From: \"Online https://sip.bapha.be\"
<sip:online@bapha.be>;tag=12q2efc423\n"\
"Call-ID: fkhe8faq0fh80glmq59i\n"\
"CSeq: 5623 ACK\n"\
"Supported: outbound\n"\
"User-Agent: SIP.js/0.7.8\n"\
"Content-Length: 0\n"\
"\n";
o2 = 0;
end = th_mask_decode(b2, 147, &prefix, 0, &o2);
printf("o2 = %i, end=[%s]\n", o2, end);
return 0;
}
6 Feb
6 Feb
2:48 a.m.
Hello,
the functions to encode/decode work with larger buffers to accommodate
prefix and extra data that can be used during the sip message
processing. If you print it before all expecting processing was done,
there are parts without proper content. Also, the values passed are with
pointer and length, they are not the "usual" 0-terminate format char
buffers.
If you have problems using topoh with a sip call, then grab the pcap
file of all messages in the cal and attach it to the issue tracker (you
can use sipdump module if the traffic is encrypted).
Cheers,
Daniel
On 03.02.23 23:05, Дилян Палаузов wrote:
Hello,
after receiving
INVITE sip:test-gnome-calls@bapha.be SIP/2.0
Via: SIP/2.0/WSS bapha.be;branch=z9hG4bK974100
Max-Forwards: 70
To: <sip:test-gnome-calls@bapha.be>
From: "Online https://sip.bapha.be"
<sip:online@bapha.be>;tag=12q2efc423
Call-ID: fkhe8faq0fh80glmq59i
CSeq: 5622 INVITE
Contact: <sip:4q5ne5no@bapha.be;transport=ws;ob>
Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER
Supported: outbound
User-Agent: SIP.js/0.7.8
Content-Type: application/sdp
Content-Length: 1964
v=0
o=mozilla...THIS_IS_SDPARTA-99.0 8263261229339246488 0 IN IP4 0.0.0.0
s=-
…
kamailio calls
th_mask_encode(
char *in = "sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562;alias=87.118.146.153~60722~2>;+sip.instance=\"<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>";+org.linphone.specs=\"conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime\n"\
"Content-Type: application/sdp and so on",
int ilen = 107,
str prefix = { .len = 23, .s ="sip:127.3.4.84;line=sr-" },
int *olen).
It returns olen=167, and the string "sip:127.3.4.84;line=sr-
if7s1mg7i36PNf0AbdwPpfzlbqWEpLzsSGItpLwyN39ZMY4t1mCTSd6DNo4LWdIOpfpPp5FLpUQscX63Kd47W5EPWO6sNL90pLgoW5p-1fzlSdzO25n3KoIk1vHkWXptc5wOeopsWO9-eo9*".
Then Kamailio forwards (sends):
Contact:
<sip:127.3.4.84;line=sr-if7s1mg7i36PNf0AbdwPpfzlbqWEpLzsSGItpLwyN39ZMY4t1mCTSd6DNo4LWdIOpfpPp5FLpUQscX63Kd47W5EPWO6sNL90pLgoW5p-
1fzlSdzO25n3KoIk1vHkWXptc5wOeopsWO9-eo9*>;+sip.instance="<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>";+org.linphone.specs="conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime"
which at some point leads to
ACK
sip:127.3.4.84;line=sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-
1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9* SIP/2.0
and
BYE
sip:127.3.4.84;line=sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-
1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9* SIP/2.0
Below you can find th_test.c . The functions th_mask_encode() and th_mask_decode() there
are identical to the same functions in
src/modules/topoh/th_mask.c . main() provides some tests:
Passing «sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562;alias=87.118.146.153~60472~2>;+sip.instance="<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>";+org.linphone.specs="conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime»
to th_mask_encode() returns
sip:127.3.4.84;line=sr-if7s1mg7i36PNf0AbdwPpfzlbqWEpLzsSGItpLwyN39ZMY4t1mCTSd6DNo4LWdIOpfpPp5FLpUQscX63Kd47W5EPWO6sNL90pLgoW5p-
1fzlSdzO25n3KoIk1vHkWXptc5wOeopsWXi-eo9*
(this is what Kamailio does send out). Passing the last string to th_mask_decode()
returns
sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-740fb9bdc562;alias=87.118.1
the ;alias= is incomplete, compared to the origin.
The above ACK leads to passing
"sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9*
SIP/2.0\n"\
"Route:
<sip:Q+L06HX94DMPtQWQTI5OE8SQTI5O4MY=@144.76.142.78;transport=ws;r2=on;lr;nat=yes>\n"\
"Route:
<sip:127.3.4.84;line=sr-if7s17IB5XEfVzn0WIgWwqggCTzwV5C2g5R5wCg4WwrQ5CuZ6XIQWvH3WUHkWX9tWOnyMq4RbmWsb34Q2YgoiXP-coTAboPlioPtpY6Z8dCO>\n"\
to th_mask_decode() and the result is
callub.p.b;rn:s.d2lQg#cfa=bA07beQ7R409bcQ62;alac=87718*1P.15#~60R22~2 with the dots being
unprintable
characters. (result is garbage).
I have seen that callub.p.b in the unparsable R-URI reports from Kamailio.
That is an indication that th_mask_decode() does not decode the Contact encoded by
th_mask_encode() correctly.
Valgrind does not report improper memory usage.
Greetings
Dilyan
gcc -g -o th-test ./th-test.c && ./th-test
th-test.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TH_EB64I \
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-"
char _th_EB64[65] =
"EFvXIzGq94xKcW126gV5wCdYpNSbiM8enRUou7LmhajBlPtAsk-OQTf3H0DyrZ.J";
int _th_DB64[256];
char *_th_PD64 = "*";
struct str_ {
char* s; /**< Pointer to the first character of the string */
int len; /**< Length of the string */
};
typedef struct str_ str;
str prefix = { .len = 23, .s ="sip:127.3.4.84;line=sr-" };
char* th_mask_encode(char *in, int ilen, const str *prefix, int *olen);
char* th_mask_decode(char *in, int ilen, const str *prefix, int extra, int *olen);
char* th_mask_encode(char *in, int ilen, const str *prefix, int *olen)
{
char *out;
int left;
int idx;
int i;
int r;
char *p;
int block;
*olen = (((ilen+2)/3)<<2) +
((prefix!=NULL&&prefix->len>0)?prefix->len:0);
out = (char*)malloc((*olen+1)*sizeof(char));
if(out==NULL)
{
fprintf(stderr, "malloc error\n");
*olen = 0;
return NULL;
}
memset(out, 0, (*olen+1)*sizeof(char));
if(prefix!=NULL&&prefix->len>0)
memcpy(out, prefix->s, prefix->len);
p = out + (int)((prefix!=NULL&&prefix->len>0)?prefix->len:0);
for(idx=0; idx<ilen; idx+=3)
{
left = ilen - idx - 1 ;
left = (left>1)?2:left;
block = 0;
for(i=0, r=16; i<=left; i++, r-=8)
block += ((unsigned char)in[idx+i]) << r;
*(p++) = _th_EB64[(block >> 18) & 0x3f];
*(p++) = _th_EB64[(block >> 12) & 0x3f];
*(p++) = (left>0)?_th_EB64[(block >> 6) & 0x3f]:_th_PD64[0];
*(p++) = (left>1)?_th_EB64[block & 0x3f]:_th_PD64[0];
}
return out;
}
char* th_mask_decode(char *in, int ilen, const str *prefix, int extra, int *olen)
{
char *out;
int n;
int block;
int idx;
int i;
int j;
int end;
char c;
for(n=0,i=ilen-1; in[i]==_th_PD64[0]; i--)
n++;
*olen = (((ilen-((prefix!=NULL&&prefix->len>0)?prefix->len:0)) * 6)
>> 3)
- n;
if (*olen<=0) {
return NULL;
}
out = (char*)malloc((*olen+1+extra)*sizeof(char));
if(out==NULL)
{
fprintf(stderr, "malloc error\n");
*olen = 0;
return NULL;
}
memset(out, 0, (*olen+1+extra)*sizeof(char));
end = ilen - n;
i = (prefix!=NULL&&prefix->len>0)?prefix->len:0;
for(idx=0; i<end; idx+=3)
{
block = 0;
for(j=0; j<4 && i<end ; j++)
{
c = _th_DB64[(int)in[i++]];
if(c<0)
{
free(out);
*olen = 0;
return NULL;
}
block += c << (18 - 6*j);
}
for(j=0, n=16; j<3 && idx+j< *olen; j++, n-=8)
out[idx+j] = (char)((block >> n) & 0xff);
}
return out;
}
int main() {
//this is from th_mask_init
for(int i=0; i<256; i++)
_th_DB64[i] = -1;
for(int i=0; i<64; i++)
_th_DB64[(int)_th_EB64[i]] = i;
int olen, o2;
char *end;
char *input =
"sip:test-gnome-calls@bapha.be;gr=urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562;alias=87.118.146.153~60472~2>;+sip.instance=\"<urn:uuid:f2f5a3cf-a0fb-0047-be50-
740fb9bdc562>\";+org.linphone.specs=\"conference/1.0,ephemeral/1.1,groupchat/1.1,groupchat/1.2,lime\"";
printf("input=[%s]\n", input);
char* middle = th_mask_encode (input, 107, &prefix, &olen);
printf("olen = %i, middle=[%s]\n", olen, middle);
end = th_mask_decode(middle, 147, &prefix, 0, &o2);
printf("o2 = %i, end=[%s]\n", o2, end);
char * b1 =
"sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-
1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9*";
o2 = 0;
end = th_mask_decode(b1, 147, &prefix, 0, &o2);
printf("o2 = %i, end=[%s]\n", o2, end);
char* b2 =
"sr-if7s1mg7i36pnf0abdwppfzlbqweplzssgitplwyn39zmy4t1mctsd6dno4lwdiopfppp5flpuqscx63kd47w5epwo6snl90plgow5p-1fzlsdzo25n3koik1vhkwxptc5woeopswo9-eo9*
SIP/2.0\n"\
"Route:
<sip:Q+L06HX94DMPtQWQTI5OE8SQTI5O4MY=@144.76.142.78;transport=ws;r2=on;lr;nat=yes>\n"\
"Route:
<sip:127.3.4.84;line=sr-if7s17IB5XEfVzn0WIgWwqggCTzwV5C2g5R5wCg4WwrQ5CuZ6XIQWvH3WUHkWX9tWOnyMq4RbmWsb34Q2YgoiXP-coTAboPlioPtpY6Z8dCO>\n"\
"Via: SIP/2.0/WSS bapha.be;branch=z9hG4bK9069155\n"\
"Max-Forwards: 70\n"\
"To: <sip:test-gnome-calls@bapha.be>;tag=Pn4npAj\n"\
"From: \"Online https://sip.bapha.be\"
<sip:online@bapha.be>;tag=12q2efc423\n"\
"Call-ID: fkhe8faq0fh80glmq59i\n"\
"CSeq: 5623 ACK\n"\
"Supported: outbound\n"\
"User-Agent: SIP.js/0.7.8\n"\
"Content-Length: 0\n"\
"\n";
o2 = 0;
end = th_mask_decode(b2, 147, &prefix, 0, &o2);
printf("o2 = %i, end=[%s]\n", o2, end);
return 0;
}
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Daniel-Constantin Mierla -- www.asipto.com
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Kamailio World Conference - June 5-7, 2023 - www.kamailioworld.com
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Daniel-Constantin Mierla -
Дилян Палаузов