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Diffstat (limited to 'modules/m_encap.c')
-rw-r--r-- | modules/m_encap.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/modules/m_encap.c b/modules/m_encap.c new file mode 100644 index 0000000..bb312d4 --- /dev/null +++ b/modules/m_encap.c @@ -0,0 +1,138 @@ +/* + * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). + * m_encap.c: encapsulated command propagation and parsing + * + * Copyright (C) 2003 by the past and present ircd coders, and others. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + * + * $Id$ + */ + +#include "stdinc.h" +#include "client.h" +#include "parse.h" +#include "sprintf_irc.h" +#include "s_serv.h" +#include "send.h" +#include "modules.h" +#include "irc_string.h" + + +/* + * ms_encap() + * + * inputs - destination server, subcommand, parameters + * output - none + * side effects - propagates subcommand to locally connected servers + */ +static void +ms_encap(struct Client *client_p, struct Client *source_p, + int parc, char *parv[]) +{ + char buffer[IRCD_BUFSIZE], *ptr = buffer; + unsigned int cur_len = 0, len, i; +#ifdef NOT_USED_YET + int paramcount, mpara = 0; +#endif + struct Message *mptr = NULL; + MessageHandler handler = 0; + + for (i = 1; i < (unsigned int)parc - 1; i++) + { + len = strlen(parv[i]) + 1; + + if ((cur_len + len) >= sizeof(buffer)) + return; + + snprintf(ptr, sizeof(buffer) - cur_len, "%s ", parv[i]); + cur_len += len; + ptr += len; + } + + len = strlen(parv[i]); + + /* + * if the final parameter crosses our buffer size, should we bail, + * like the rest, or should we truncate? ratbox seems to think truncate, + * so i'll do that for now until i can talk to lee. -bill + */ + + if (parc == 3) + snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]); + else + snprintf(ptr, sizeof(buffer) - cur_len, ":%s", parv[parc - 1]); + + if ((cur_len + len) >= sizeof(buffer)) + buffer[sizeof(buffer) - 1] = '\0'; + + sendto_match_servs(source_p, parv[1], CAP_ENCAP, + "ENCAP %s", buffer); + + if (!match(parv[1], me.name)) + return; + + if ((mptr = find_command(parv[2])) == NULL) + return; + +#ifdef NOT_USED_YET + paramcount = mptr->parameters; + mpara = mptr->maxpara; +#endif + mptr->bytes += strlen(buffer); + + /* + * yes this is an ugly hack, but it is quicker than copying the entire array again + * note: this hack wouldnt be needed if parv[0] were set to the command name, rather + * than being derived from the prefix, as it should have been from the beginning. + */ + ptr = parv[0]; + parv += 2; + parc -= 2; + parv[0] = ptr; + + if ((handler = mptr->handlers[ENCAP_HANDLER])) + (*handler)(client_p, source_p, parc, parv); +} + +static struct Message encap_msgtab = { + "ENCAP", 0, 0, 3, MAXPARA, MFLG_SLOW, 0, + {m_ignore, m_ignore, ms_encap, m_ignore, m_ignore, m_ignore} +}; + +static void +module_init(void) +{ + mod_add_cmd(&encap_msgtab); + add_capability("ENCAP", CAP_ENCAP, 1); +} + +static void +module_exit(void) +{ + mod_del_cmd(&encap_msgtab); + delete_capability("ENCAP"); +} + +struct module module_entry = { + .node = { NULL, NULL, NULL }, + .name = NULL, + .version = "$Revision$", + .handle = NULL, + .modinit = module_init, + .modexit = module_exit, + .flags = 0 +}; |