mirror of
git://git.psyced.org/git/psyced
synced 2024-08-15 03:25:10 +00:00
144 lines
3.4 KiB
C
144 lines
3.4 KiB
C
// $Id: common.c,v 1.2 2005/03/14 10:23:27 lynx Exp $ // vim:syntax=lpc
|
|
|
|
#include <net.h>
|
|
#include "sip.h"
|
|
|
|
mapping SIP_PHRASES;
|
|
mapping specialCases;
|
|
|
|
load() {
|
|
specialCases = ([ "Cseq" : "CSeq",
|
|
"Call-Id" : "Call-ID",
|
|
"Www-Authenticate" : "WWW-Authenticate",
|
|
]);
|
|
SIP_PHRASES = ([
|
|
//
|
|
100: "Trying",
|
|
180: "Ringing",
|
|
181: "Call Is Being Forwarded",
|
|
182: "Queued",
|
|
183: "Session Progress",
|
|
//
|
|
200: "OK",
|
|
//
|
|
300: "Multiple Choices",
|
|
301: "Moved Permanently",
|
|
302: "Moved Temporarily",
|
|
303: "See Other",
|
|
305: "Use Proxy",
|
|
380: "Alternative Service",
|
|
//
|
|
400: "Bad Request",
|
|
401: "Unauthorized",
|
|
402: "Payment Required",
|
|
403: "Forbidden",
|
|
404: "Not Found",
|
|
405: "Method Not Allowed",
|
|
406: "Not Acceptable",
|
|
407: "Proxy Authentication Required",
|
|
408: "Request Timeout",
|
|
409: "Conflict",
|
|
410: "Gone",
|
|
411: "Length Required",
|
|
413: "Request Entity Too Large",
|
|
414: "Request-URI Too Large",
|
|
415: "Unsupported Media Type",
|
|
416: "Unsupported URI Scheme",
|
|
420: "Bad Extension",
|
|
421: "Extension Required",
|
|
423: "Interval Too Brief",
|
|
480: "Temporarily Unavailable",
|
|
481: "Call/Transaction Does Not Exist",
|
|
482: "Loop Detected",
|
|
483: "Too Many Hops",
|
|
484: "Address Incomplete",
|
|
485: "Ambiguous",
|
|
486: "Busy Here",
|
|
487: "Request Terminated",
|
|
488: "Not Acceptable Here",
|
|
491: "Request Pending",
|
|
493: "Undecipherable",
|
|
//
|
|
500: "Internal Server Error",
|
|
501: "Not Implemented",
|
|
502: "Bad Gateway",
|
|
503: "Service Unavailable",
|
|
504: "Server Time-out",
|
|
505: "SIP Version not supported",
|
|
513: "Message Too Large",
|
|
//
|
|
600: "Busy Everywhere",
|
|
603: "Decline",
|
|
604: "Does not exist anywhere",
|
|
606: "Not Acceptable"
|
|
]);
|
|
}
|
|
|
|
encodevar(varname) {
|
|
int i;
|
|
i = index(varname, '-');
|
|
if(i != -1)
|
|
varname = upper_case(varname[0..0]) + varname[1..i] +
|
|
upper_case(varname[i+1..i+1]) + varname[i+2..];
|
|
else varname = capitalize(varname);
|
|
return specialCases[varname] || varname;
|
|
}
|
|
|
|
serialize(varnames, vars, data) {
|
|
string varname;
|
|
mixed value;
|
|
string t;
|
|
|
|
t = "";
|
|
foreach(varname : varnames) {
|
|
value = vars[varname];
|
|
varname = encodevar(varname);
|
|
if (pointerp(value)) {
|
|
string v;
|
|
foreach (v : value) t += varname + ": " + v + CRLF;
|
|
}
|
|
else if (stringp(value)) t += varname + ": " + value + CRLF;
|
|
}
|
|
if (data && stringp(data)) {
|
|
if (strlen(data)) t += "Content-Type: " + vars["content-type"] + CRLF;
|
|
t += "Content-Length: " + strlen(data) + CRLF CRLF;
|
|
// TODO: how to end packet?
|
|
t += data;
|
|
}
|
|
return t;
|
|
}
|
|
|
|
string makeResponse(string prot, int code, mapping v, mixed data) {
|
|
string reply;
|
|
reply = prot + " " + code + " " + SIP_PHRASES[code] + CRLF +
|
|
serialize(({ "from", "to", "via", "call-id", "cseq",
|
|
"www-authenticate" }), v);
|
|
if (data && stringp(data)) {
|
|
if (v["content-type"])
|
|
reply += "Content-Type: " + v["content-type"] + CRLF;
|
|
reply += "Content-Length: " + strlen(data);
|
|
reply += data + CRLF CRLF;
|
|
}
|
|
return reply;
|
|
}
|
|
|
|
|
|
parseHeaders(string headers) {
|
|
string line;
|
|
mapping v;
|
|
v = ([ ]);
|
|
foreach(line : explode(headers, CRLF)) {
|
|
string key, val;
|
|
unless(sscanf(line, "%s:%t%s", key, val) == 2) {
|
|
P3(("SIP parse: strange line %O\n", line))
|
|
// TODO 400 bad request?
|
|
continue;
|
|
}
|
|
key = lower_case(key);
|
|
val = chomp(val);
|
|
if (pointerp(v[ key ]) ) v[ key ] += ({ val });
|
|
else if (v[ key ]) v[ key ] = ({ v[ key ], val });
|
|
else v[ key ] = chomp(val);
|
|
}
|
|
return v;
|
|
}
|