mirror of
https://github.com/ChronosX88/psyced.git
synced 2024-11-08 19:41:00 +00:00
remove fippo's LPC "SPYC" parser etc
This commit is contained in:
psyc://loupsycedyglgamf.onion/~lynX
parent
65cccd64e3
commit
b47b2e63d1
@ -38,6 +38,10 @@ ________________________________________________________________________
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________________________________________________________________________
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== desperate, but not serious ==========================================
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¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
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- _message_echo_private should display full origin to make fakes recognizable
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(or we should check lastlog to see when an echo is fake)
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Du sagst [_nick_target]: hallo alda <- not so neat.
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- check in user:input() if data is in utf8 (using RE_UTF8) in order to produce
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proper error messages before it is processed further and may end up in
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net/jabber's emit() where it is dropped silently (see CHARS_XMPP.log)
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@ -268,7 +268,6 @@ static varargs string render_psyc(mixed source, string mc, mixed data,
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}
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#endif /* NEW_RENDER */
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#ifdef LIBPSYC
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int routeMe = 0;
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mapping evars = ([ ]);
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@ -287,53 +286,10 @@ static varargs string render_psyc(mixed source, string mc, mixed data,
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}
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return psyc_render(({ rvars, evars, mc, data }));
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#else
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#if __EFUN_DEFINED__(walk_mapping)
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// walk_mapping could be rewritten into foreach, but thats work
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walk_mapping(rvars, #'build_header, rvars, 0);
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#else // PIKE, MudOS...
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mapeach(key, val, rvars) {
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build_header(key, val, rvars, 0);
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}
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#endif
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if (mappingp(vars)) {
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#if 0 //ndef EXPERIMENTAL
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if (member(vars, "_count"))
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ebuf += "\n:_count\t" + vars["_count"];
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#endif
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#if __EFUN_DEFINED__(walk_mapping)
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// walk_mapping could be rewritten into foreach, but thats work
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walk_mapping(vars, #'build_header, vars, 1);
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#else // PIKE, MudOS...
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mapeach(key, val, vars) {
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build_header(key, val, vars, 1);
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}
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#endif
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}
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if (data == "") ebuf += "\n"+ mc;
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else ebuf += "\n"+ mc + "\n"+ data;
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#ifdef SPYC // || MODULE_LENGTH
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if (needLen || strlen(ebuf) + strlen(rbuf) > 555)
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return ":_length\t"+ strlen(ebuf) + rbuf +"\n"+
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ebuf +"\n" S_GLYPH_PACKET_DELIMITER "\n";
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else
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#endif
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#ifndef NEW_LINE
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if (excessiveNewline) return rbuf[1 ..] +"\n"+
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ebuf + S_GLYPH_PACKET_DELIMITER "\n";
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else
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#endif
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if (strlen(rbuf)) return rbuf[1 ..] +"\n"+
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ebuf +"\n" S_GLYPH_PACKET_DELIMITER "\n";
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return ebuf +"\n" S_GLYPH_PACKET_DELIMITER "\n";
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#endif
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}
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// notice for completeness: the PSYC renderer does not convert_charset
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// from SYSTEM_CHARSET to UTF-8, so to produce correct PSYC you must not
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// switch to a different SYSTEM_CHARSET, or you have to fix that...
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// probably the right thing to do is to remove configurable SYSTEM_CHARSET
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@ -1,7 +1,2 @@
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// $Id: active.c,v 1.1 2008/01/30 17:06:48 lynx Exp $ // vim:syntax=lpc
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#include "psyc.h"
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#ifdef LIBPSYC
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#include "../psyc/active.c"
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#endif // LIBPSYC
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@ -2,7 +2,6 @@
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// $Id: circuit.c,v 1.38 2008/10/14 19:02:29 lynx Exp $
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#include "psyc.h"
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#ifdef LIBPSYC
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#include <net.h>
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#include <uniform.h>
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@ -276,4 +275,3 @@ varargs int msg(string source, string mc, string data,
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return emit(buf);
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}
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#endif // LIBPSYC
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@ -38,11 +38,7 @@ mixed process_routing_modifiers(mapping rvars, mapping vars) {
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mixed process_entity_modifiers(mapping evars, mapping vars, mapping cstate) {
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// apply evars to context state
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foreach (mixed vname : m_indices(evars)) {
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if (routing[vname] || abbrev("_INTERNAL", vname)
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#ifndef LIBPSYC
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|| !legal_keyword(vname)
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#endif
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) {
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if (routing[vname] || abbrev("_INTERNAL", vname)) {
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DISPATCHERROR("illegal varname in entity header")
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}
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@ -107,32 +103,6 @@ mixed process_var_types(mapping evars) {
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if (!legal_name(evars[vname]))
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croak("_error_illegal_nick");
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break;
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#ifndef LIBPSYC
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case "_degree":
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// only honour the first digit
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if (strlen(evars[vname]) && evars[vname][0] >= '0' && evars[vname][0] <= '9')
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evars[vname] = evars[vname][0] - '0';
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else {
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PT(("type parser _degree: could not handle value %O\n",
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evars[vname]))
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evars[vname] = 0;
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}
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break;
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case "_date":
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evars[vname] = to_int(evars[vname]) + PSYC_EPOCH;
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break;
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case "_time":
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case "_amount":
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evars[vname] = to_int(evars[vname]);
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break;
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case "_list":
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mixed plist = list_parse(evars[vname]);
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if (plist == -1) {
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DISPATCHERROR("could not parse list");
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}
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evars[vname] = plist;
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break;
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#endif
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PSYC_SLICE_AND_REPEAT
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}
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}
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@ -173,11 +143,6 @@ void dispatch(mapping rvars, mapping evars, mixed method, mixed body) {
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if (!process_routing_modifiers(rvars, vars))
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return;
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#ifndef LIBPSYC
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if (!process_var_types(evars))
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return;
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#endif
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// check that _target is hosted by us
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// this check can be skipped if _target is not set
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if ((t = vars["_target"])) {
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@ -1,9 +1,6 @@
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// vim:foldmethod=marker:syntax=lpc:noexpandtab
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#include "psyc.h"
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#ifdef LIBPSYC // net/spyc currently doesn't work without libpsyc
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// and probably never will.. will delete the old code soon
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#include <net.h>
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#include <input_to.h>
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@ -11,19 +8,6 @@ private string buffer;
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int state;
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int may_parse_more;
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#ifndef LIBPSYC // {{{
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private string body_buffer;
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int body_len;
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// temporary used to hold assigment lists vname -> ({ glyph, state, vvalue })
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// this won't work anymore, dispatch now expects two mappings: rvars & evars
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array(mixed) tvars;
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mapping hvars;
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// prototypes
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parse_header();
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buffer_content();
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#endif // }}} LIBPSYC
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// being faded out in favor of regular croak()
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#define PARSEERROR(reason) { \
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croak("_error_syntax_broken", \
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@ -45,24 +29,8 @@ step(); // prototype
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// overload this as needed
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varargs mixed croak(string mc, string data, vamapping vars) { return 0; }
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#ifndef LIBPSYC //{{{
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// reset parser state
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void parser_reset() {
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if (state != PSYCPARSE_STATE_BLOCKED)
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state = PSYCPARSE_STATE_HEADER;
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body_len = 0;
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body_buffer = 0;
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may_parse_more = 1;
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tvars = ({ });
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hvars = ([ ]);
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}
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#endif //}}}
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// initialize the parser
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void parser_init() {
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# ifndef LIBPSYC //{{{
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parser_reset();
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# endif //}}}
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buffer = "";
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state = PSYCPARSE_STATE_GREET; // AFTER reset
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}
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@ -79,9 +47,6 @@ void resume_parse() {
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// called when a complete packet has arrived
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void dispatch(mapping rvars, mapping evars, mixed method, mixed body) {
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#ifndef LIBPSYC //{{{
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parser_reset();
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#endif //}}}
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}
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void psyc_dispatch(mixed p) {
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@ -108,13 +73,6 @@ void feed(string data) {
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buffer += data;
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# ifndef LIBPSYC //{{{
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do {
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may_parse_more = 0;
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step();
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} while (may_parse_more);
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# else //}}}
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if (state != PSYCPARSE_STATE_HEADER)
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step();
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@ -148,7 +106,6 @@ void feed(string data) {
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}
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buffer = "";
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}
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# endif
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}
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// parser stepping function
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@ -157,14 +114,6 @@ void step() {
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if (!strlen(buffer))
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return;
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switch(state) {
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#ifndef LIBPSYC //{{{
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case PSYCPARSE_STATE_HEADER:
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parse_header();
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break;
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case PSYCPARSE_STATE_CONTENT:
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buffer_content();
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break;
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#endif //}}}
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case PSYCPARSE_STATE_BLOCKED:
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// someone requested to stop parsing - e.g. _request_features circuit
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// message
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@ -176,9 +125,6 @@ void step() {
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state = PSYCPARSE_STATE_HEADER;
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buffer = buffer[2 ..];
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first_response();
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#ifndef LIBPSYC //{{{
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step();
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#endif //}}}
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} else {
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croak("_error_syntax_initialization");
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// "The new protocol begins with a pipe and a line feed.");
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@ -189,294 +135,3 @@ void step() {
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}
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}
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// EOF for LIBPSYC
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#ifndef LIBPSYC //{{{
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// processes routing header variable assignments
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// basic version does no state
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mapping process_header(mixed varops) {
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mapping vars = ([ ]);
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// apply mmp state
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foreach(mixed vop : varops) {
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string vname = vop[0];
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switch(vop[1]) {
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case C_GLYPH_MODIFIER_SET:
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vars[vname] = vop[2];
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break;
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case C_GLYPH_MODIFIER_AUGMENT:
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case C_GLYPH_MODIFIER_DIMINISH:
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case C_GLYPH_MODIFIER_QUERY:
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case C_GLYPH_MODIFIER_ASSIGN:
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croak("_failure_unavailable_state");
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QUIT
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default:
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croak("_failure_unknown_glyph");
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QUIT
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}
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// FIXME: not every legal varname is a routing varname
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// look at shared_memory("routing")
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if (!legal_keyword(vname) || abbrev("_INTERNAL", vname)) {
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croak("_error_illegal_protocol_variable", 0,
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([ "_variable_name": vname ]));
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return 0;
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}
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}
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return vars;
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}
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// parse the header part of the packet
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// i.e. that is all mmp modifiers
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// switch to content buffering mode afterwards
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void parse_header() {
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if (!strlen(buffer)) return;
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if (buffer[0] == C_GLYPH_PACKET_DELIMITER) {
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if (strlen(buffer) < 2)
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return;
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if (buffer[1] == C_LINEFEED) {
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buffer = buffer[2..];
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hvars = process_header(tvars);
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tvars = ({ });
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dispatch(hvars, tvars, 0, 0);
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} else {
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// this one is sth like |whatever
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// actually this should be noglyph i think
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PARSEERROR("strange thing")
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}
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} else if (buffer[0] == C_LINEFEED) {
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// state transition from parsing header to buffering body
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buffer = buffer[1..];
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hvars = process_header(tvars);
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tvars = ({ });
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// FIXME: validate source/context here
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state = PSYCPARSE_STATE_CONTENT;
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if (hvars["_length"])
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body_len = to_int(hvars["_length"][MVAR_VALUE]);
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step();
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} else { // parse mmp-header
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int fit;
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int glyph;
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string vname, vvalue;
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switch(buffer[0]) {
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case C_GLYPH_MODIFIER_SET:
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case C_GLYPH_MODIFIER_ASSIGN:
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case C_GLYPH_MODIFIER_AUGMENT:
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case C_GLYPH_MODIFIER_DIMINISH:
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case C_GLYPH_MODIFIER_QUERY:
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glyph = buffer[0];
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buffer = buffer[1..];
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break;
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default:
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croak("_error_syntax_expected_routing");
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QUIT
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}
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fit = sscanf(buffer, "%.1s%t", vname);
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if (fit != 1) {
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PARSEERROR("vname")
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}
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buffer = buffer[strlen(vname)..];
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switch(buffer[0]) {
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case '\t':
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fit = sscanf(buffer, "\t%s\n%.0s", vvalue, buffer);
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if (fit != 2) {
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PARSEERROR("simple-arg")
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}
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break;
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case '\n': // deletion
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// this is currently implemented as "vvalue is 0" internally
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// and must handled in dispatch() when merging
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buffer = buffer[1..];
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break;
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default:
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PARSEERROR("arg")
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}
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tvars += ({ ({ vname, glyph, vvalue }) });
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step();
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}
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}
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// parse all psyc-modifiers
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// this differes from the mmp modifiers in the sense that
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// a) packet is known to be complete here
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// b) psyc modifiers may have binary args
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void parse_psyc() {
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while(1) { // slurp in all psyc-modifiers
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int fit, len;
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int glyph;
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string vname, vvalue;
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switch(body_buffer[0]) {
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case C_GLYPH_MODIFIER_SET:
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case C_GLYPH_MODIFIER_ASSIGN:
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case C_GLYPH_MODIFIER_AUGMENT:
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case C_GLYPH_MODIFIER_DIMINISH:
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case C_GLYPH_MODIFIER_QUERY:
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glyph = body_buffer[0];
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body_buffer = body_buffer[1..];
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break;
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default:
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// this is the method
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return;
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}
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fit = sscanf(body_buffer, "%.1s%t", vname);
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if (fit != 1) {
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PARSEERROR("vname")
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}
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body_buffer = body_buffer[strlen(vname)..];
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switch(body_buffer[0]) {
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case ' ':
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fit = sscanf(body_buffer, " %d\t%.0s", len, body_buffer);
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if (fit != 2) {
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PARSEERROR("binary-arg length")
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}
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if (len < 0) {
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PARSEERROR("negative binary length")
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}
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if (strlen(body_buffer) < len) {
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// ouch, this is a problem here
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PARSEERROR("not enough to read binary arg, may not happen")
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}
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vvalue = body_buffer[..len-1];
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body_buffer = body_buffer[len..];
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if (body_buffer[0] != C_LINEFEED) {
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PARSEERROR("binary terminal")
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}
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body_buffer = body_buffer[1..];
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break;
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case '\t':
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fit = sscanf(body_buffer, "\t%s\n%.0s", vvalue, body_buffer);
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if (fit != 2) {
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PARSEERROR("simple-arg")
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}
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break;
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case '\n':
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switch(glyph) {
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case C_GLYPH_MODIFIER_ASSIGN:
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// delete this context's state
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PARSEERROR("tbd")
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// unfortunately the routing hasn't been processed at
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// this moment yet, so we don't know whose context this
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// is and if it is legitimate. we first have to fix the
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// processing of the routing layer before we can implement
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// anything of this
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continue;
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case C_GLYPH_MODIFIER_SET:
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// remember to temporarily ignore state
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PARSEERROR("tbd")
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continue;
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case C_GLYPH_MODIFIER_QUERY:
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// mark that the next reply packet should
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// contain a state sync
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PARSEERROR("tbd")
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continue;
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default:
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PARSEERROR("undefined operation")
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}
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return;
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default:
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PARSEERROR("arg")
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}
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tvars += ({ ({ vname, glyph, vvalue }) });
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}
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}
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// parse completed content
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void parse_content() {
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int fit;
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string method, body;
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// at this point we should check for relaying, then potentially
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// route the data without parsing it.. TODO
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parse_psyc();
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// ASSERT strlen(buffer)
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if (body_buffer[0] == C_LINEFEED) {
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PARSEERROR("empty method")
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}
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// FIXME: i am not sure if this is correct...
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if (body_buffer == S_GLYPH_PACKET_DELIMITER) {
|
||||
P0(("encountered packet delimiter in packet body? how's that?\n"))
|
||||
dispatch(hvars, tvars, 0, 0);
|
||||
return;
|
||||
}
|
||||
fit = sscanf(body_buffer, "%.1s\n%.0s", method, body_buffer);
|
||||
if (fit != 2 || !legal_keyword(method)) {
|
||||
croak("_error_illegal_method");
|
||||
// "That's not a valid method name.");
|
||||
return;
|
||||
}
|
||||
|
||||
// mhmm... why does body_buffer still contain the newline?
|
||||
// because the newline is by definition not part of the body!
|
||||
if (strlen(body_buffer)) body = body_buffer[..<2];
|
||||
dispatch(hvars, tvars, method, body);
|
||||
}
|
||||
|
||||
// buffer content until complete
|
||||
// then parse it
|
||||
// note: you could overload this, if you just want to route
|
||||
// the packet
|
||||
void buffer_content() {
|
||||
int t;
|
||||
if (body_len) {
|
||||
if (strlen(buffer) >= body_len + 3) {
|
||||
// make sure that the packet is properly terminated
|
||||
if (buffer[body_len..body_len+2] != "\n" DELIM) {
|
||||
PARSEERROR("packet delimiter after binary body not found")
|
||||
}
|
||||
body_buffer = buffer[..body_len];
|
||||
buffer = buffer[body_len+3..];
|
||||
parse_content();
|
||||
} else {
|
||||
P4(("buffer_content: waiting for more binary data\n"))
|
||||
}
|
||||
} else if ((t = strstr(buffer, "\n" DELIM)) != -1) {
|
||||
body_buffer = buffer[..t];
|
||||
buffer = buffer[t+3..];
|
||||
parse_content();
|
||||
P4(("buffer_content: packet complete\n"))
|
||||
} else {
|
||||
P4(("buffer_content: waiting for more plain data. buffer %O vs %O\n", to_array(buffer), to_array("\n" DELIM)))
|
||||
}
|
||||
}
|
||||
|
||||
// FIXME should be in a standalone module
|
||||
//#define PARSEERROR(args) debug_message(sprintf("LIST PARSE ERROR: " args));
|
||||
#define LISTSEP '|'
|
||||
#define LISTPARSE_FAIL -1
|
||||
#define LISTMODE_PLAIN 0
|
||||
#define LISTMODE_BINARY 1
|
||||
// list parsing function - val is assumed to be stripped of the final LF
|
||||
mixed list_parse(string val) {
|
||||
mixed *lv = ({ });
|
||||
if (val[0] == LISTSEP)
|
||||
return explode(val[1..], "|");
|
||||
while(strlen(val)) {
|
||||
int fit, len;
|
||||
fit = sscanf(val, "%d %s", len, val);
|
||||
if (fit != 2) {
|
||||
// invalid binary fit
|
||||
return LISTPARSE_FAIL;
|
||||
}
|
||||
if (len < 0 || len > strlen(val)) {
|
||||
// invalid binary length
|
||||
return LISTPARSE_FAIL;
|
||||
}
|
||||
if (len != strlen(val) && val[len] != LISTSEP) {
|
||||
// listsep not found after binary
|
||||
return LISTPARSE_FAIL;
|
||||
}
|
||||
lv += ({ val[..len-1] });
|
||||
val = val[len+1..];
|
||||
}
|
||||
return lv;
|
||||
}
|
||||
|
||||
# ifdef SELFTESTS
|
||||
test() {
|
||||
list_parse("|psyc://example.net/~jim|psyc://example.org/~judy");
|
||||
list_parse("5\tabcde|4\tabcd");
|
||||
}
|
||||
# endif
|
||||
#endif // !LIBPSYC //}}}
|
||||
|
||||
#endif // LIBPSYC
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
// the thing that answers on port 4404 of psyced.
|
||||
|
||||
#include "psyc.h"
|
||||
#ifdef LIBPSYC
|
||||
|
||||
#include <net.h>
|
||||
#include <services.h>
|
||||
@ -201,4 +200,3 @@ int logon(int nothing) {
|
||||
return 1; // success
|
||||
}
|
||||
|
||||
#endif // LIBPSYC
|
||||
|
||||
Loading…
Reference in New Issue
Block a user