1 /* 2 * Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers. 3 * All rights reserved. 4 * 5 * By using this file, you agree to the terms and conditions set 6 * forth in the LICENSE file which can be found at the top level of 7 * the sendmail distribution. 8 * 9 */ 10 11 #ifndef lint 12 static char id[] = "@(#)$Id: main.c,v 8.34.4.11 2001/05/07 22:06:37 gshapiro Exp $"; 13 #endif /* ! lint */ 14 15 #if _FFR_MILTER 16 #define _DEFINE 1 17 #include "libmilter.h" 18 #include <fcntl.h> 19 #include <sys/stat.h> 20 21 22 static smfiDesc_ptr smfi = NULL; 23 24 /* 25 ** SMFI_REGISTER -- register a filter description 26 ** 27 ** Parameters: 28 ** smfilter -- description of filter to register 29 ** 30 ** Returns: 31 ** MI_SUCCESS/MI_FAILURE 32 */ 33 34 int 35 smfi_register(smfilter) 36 smfiDesc_str smfilter; 37 { 38 size_t len; 39 40 if (smfi == NULL) 41 { 42 smfi = (smfiDesc_ptr) malloc(sizeof *smfi); 43 if (smfi == NULL) 44 return MI_FAILURE; 45 } 46 (void) memcpy(smfi, &smfilter, sizeof *smfi); 47 if (smfilter.xxfi_name == NULL) 48 smfilter.xxfi_name = "Unknown"; 49 50 len = strlen(smfilter.xxfi_name) + 1; 51 smfi->xxfi_name = (char *) malloc(len); 52 if (smfi->xxfi_name == NULL) 53 return MI_FAILURE; 54 (void) strlcpy(smfi->xxfi_name, smfilter.xxfi_name, len); 55 56 /* compare milter version with hard coded version */ 57 if (smfi->xxfi_version != SMFI_VERSION) 58 { 59 /* hard failure for now! */ 60 smi_log(SMI_LOG_ERR, 61 "%s: smfi_register: version mismatch application: %d != milter: %d", 62 smfi->xxfi_name, smfi->xxfi_version, 63 (int) SMFI_VERSION); 64 return MI_FAILURE; 65 } 66 67 return MI_SUCCESS; 68 } 69 70 /* 71 ** SMFI_STOP -- stop milter 72 ** 73 ** Parameters: 74 ** none. 75 ** 76 ** Returns: 77 ** success. 78 */ 79 80 int 81 smfi_stop() 82 { 83 mi_stop_milters(MILTER_STOP); 84 return MI_SUCCESS; 85 } 86 87 static int dbg = 0; 88 static char *conn = NULL; 89 static int timeout = MI_TIMEOUT; 90 static int backlog= MI_SOMAXCONN; 91 92 int 93 smfi_setdbg(odbg) 94 int odbg; 95 { 96 dbg = odbg; 97 return MI_SUCCESS; 98 } 99 100 int 101 smfi_settimeout(otimeout) 102 int otimeout; 103 { 104 timeout = otimeout; 105 return MI_SUCCESS; 106 } 107 108 int 109 smfi_setconn(oconn) 110 char *oconn; 111 { 112 size_t l; 113 114 if (oconn == NULL || *oconn == '\0') 115 return MI_FAILURE; 116 l = strlen(oconn) + 1; 117 if ((conn = (char *) malloc(l)) == NULL) 118 return MI_FAILURE; 119 if (strlcpy(conn, oconn, l) >= l) 120 return MI_FAILURE; 121 return MI_SUCCESS; 122 } 123 124 int 125 smfi_setbacklog(obacklog) 126 int obacklog; 127 { 128 if (obacklog <= 0) 129 return MI_FAILURE; 130 backlog = obacklog; 131 return MI_SUCCESS; 132 } 133 134 135 int 136 smfi_main() 137 { 138 139 signal(SIGPIPE, SIG_IGN); 140 if (conn == NULL) 141 { 142 smi_log(SMI_LOG_FATAL, "%s: missing connection information", 143 smfi->xxfi_name); 144 return MI_FAILURE; 145 } 146 147 (void) atexit(mi_clean_signals); 148 if (mi_control_startup(smfi->xxfi_name) != MI_SUCCESS) 149 { 150 smi_log(SMI_LOG_FATAL, 151 "%s: Couldn't start signal thread", 152 smfi->xxfi_name); 153 return MI_FAILURE; 154 } 155 156 157 /* Startup the listener */ 158 if (mi_listener(conn, dbg, smfi, timeout, backlog) != MI_SUCCESS) 159 return MI_FAILURE; 160 161 return MI_SUCCESS; 162 } 163 #endif /* _FFR_MILTER */ 164