/* * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. * All rights reserved. * * By using this file, you agree to the terms and conditions set * forth in the LICENSE file which can be found at the top level of * the sendmail distribution. * */ #include SM_RCSID("@(#)$Id: main.c,v 8.64.2.10 2003/01/23 22:34:24 ca Exp $") #define _DEFINE 1 #include "libmilter.h" #include #include static smfiDesc_ptr smfi = NULL; /* ** SMFI_REGISTER -- register a filter description ** ** Parameters: ** smfilter -- description of filter to register ** ** Returns: ** MI_SUCCESS/MI_FAILURE */ int smfi_register(smfilter) smfiDesc_str smfilter; { size_t len; if (smfi == NULL) { smfi = (smfiDesc_ptr) malloc(sizeof *smfi); if (smfi == NULL) return MI_FAILURE; } (void) memcpy(smfi, &smfilter, sizeof *smfi); if (smfilter.xxfi_name == NULL) smfilter.xxfi_name = "Unknown"; len = strlen(smfilter.xxfi_name) + 1; smfi->xxfi_name = (char *) malloc(len); if (smfi->xxfi_name == NULL) return MI_FAILURE; (void) sm_strlcpy(smfi->xxfi_name, smfilter.xxfi_name, len); /* compare milter version with hard coded version */ if (smfi->xxfi_version != SMFI_VERSION) { /* hard failure for now! */ smi_log(SMI_LOG_ERR, "%s: smfi_register: version mismatch application: %d != milter: %d", smfi->xxfi_name, smfi->xxfi_version, (int) SMFI_VERSION); /* XXX how about smfi? */ free(smfi->xxfi_name); return MI_FAILURE; } return MI_SUCCESS; } /* ** SMFI_STOP -- stop milter ** ** Parameters: ** none. ** ** Returns: ** success. */ int smfi_stop() { mi_stop_milters(MILTER_STOP); return MI_SUCCESS; } /* ** default values for some variables. ** Most of these can be changed with the functions below. */ static int dbg = 0; static char *conn = NULL; static int timeout = MI_TIMEOUT; static int backlog = MI_SOMAXCONN; #if _FFR_SMFI_OPENSOCKET /* ** SMFI_OPENSOCKET -- try the socket setup to make sure we'll be ** able to start up ** ** Parameters: ** None. ** ** Return: ** MI_SUCCESS/MI_FAILURE */ int smfi_opensocket() { if (smfi == NULL || conn == NULL) return MI_FAILURE; return mi_opensocket(conn, backlog, dbg, smfi); } #endif /* _FFR_SMFI_OPENSOCKET */ /* ** SMFI_SETDBG -- set debug level. ** ** Parameters: ** odbg -- new debug level. ** ** Returns: ** MI_SUCCESS */ int smfi_setdbg(odbg) int odbg; { dbg = odbg; return MI_SUCCESS; } /* ** SMFI_SETTIMEOUT -- set timeout (for read/write). ** ** Parameters: ** otimeout -- new timeout. ** ** Returns: ** MI_SUCCESS */ int smfi_settimeout(otimeout) int otimeout; { timeout = otimeout; return MI_SUCCESS; } /* ** SMFI_SETCONN -- set connection information (socket description) ** ** Parameters: ** oconn -- new connection information. ** ** Returns: ** MI_SUCCESS/MI_FAILURE */ int smfi_setconn(oconn) char *oconn; { size_t l; if (oconn == NULL || *oconn == '\0') return MI_FAILURE; l = strlen(oconn) + 1; if ((conn = (char *) malloc(l)) == NULL) return MI_FAILURE; if (sm_strlcpy(conn, oconn, l) >= l) return MI_FAILURE; return MI_SUCCESS; } /* ** SMFI_SETBACKLOG -- set backlog ** ** Parameters: ** obacklog -- new backlog. ** ** Returns: ** MI_SUCCESS/MI_FAILURE */ int smfi_setbacklog(obacklog) int obacklog; { if (obacklog <= 0) return MI_FAILURE; backlog = obacklog; return MI_SUCCESS; } /* ** SMFI_MAIN -- setup milter connnection and start listener. ** ** Parameters: ** none. ** ** Returns: ** MI_SUCCESS/MI_FAILURE */ int smfi_main() { int r; (void) signal(SIGPIPE, SIG_IGN); if (conn == NULL) { smi_log(SMI_LOG_FATAL, "%s: missing connection information", smfi->xxfi_name); return MI_FAILURE; } (void) atexit(mi_clean_signals); if (mi_control_startup(smfi->xxfi_name) != MI_SUCCESS) { smi_log(SMI_LOG_FATAL, "%s: Couldn't start signal thread", smfi->xxfi_name); return MI_FAILURE; } r = MI_SUCCESS; /* Startup the listener */ if (mi_listener(conn, dbg, smfi, timeout, backlog) != MI_SUCCESS) r = MI_FAILURE; return r; }