src/src/macro_predef.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) Jeremy Harris 1995 - 2018 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* Create a static data structure with the predefined macros, to be
   9 included in the main Exim build */
  10
  11 #include "exim.h"
  12 #include "macro_predef.h"
  13
  14 unsigned mp_index = 0;
  15
  16 /* Global dummy variables */
  17
  18 void fn_smtp_receive_timeout(const uschar * name, const uschar * str) {}
  19 uschar * syslog_facility_str;
  20
  21 /******************************************************************************/
  22
  23 void
  24 builtin_macro_create_var(const uschar * name, const uschar * val)
  25 {
  26 printf ("static macro_item p%d = { ", mp_index);
  27 if (mp_index == 0)
  28   printf(".next=NULL,");
  29 else
  30   printf(".next=&p%d,", mp_index-1);
  31
  32 printf(" .command_line=FALSE, .namelen=%d, .replen=%d,"
  33         " .name=US\"%s\", .replacement=US\"%s\" };\n",
  34         Ustrlen(name), Ustrlen(val), CS name, CS val);
  35 mp_index++;
  36 }
  37
  38
  39 void
  40 builtin_macro_create(const uschar * name)
  41 {
  42 builtin_macro_create_var(name, US"y");
  43 }
  44
  45
  46 /* restricted snprintf */
  47 void
  48 spf(uschar * buf, int len, const uschar * fmt, ...)
  49 {
  50 va_list ap;
  51 va_start(ap, fmt);
  52
  53 while (*fmt && len > 1)
  54   if (*fmt == '%' && fmt[1] == 'T')
  55     {
  56     uschar * s = va_arg(ap, uschar *);
  57     while (*s && len-- > 1)
  58       *buf++ = toupper(*s++);
  59     fmt += 2;
  60     }
  61   else
  62     {
  63     *buf++ = *fmt++; len--;
  64     }
  65 *buf = '\0';
  66 va_end(ap);
  67 }
  68
  69 void
  70 options_from_list(optionlist * opts, unsigned nopt,
  71   const uschar * section, uschar * group)
  72 {
  73 int i;
  74 const uschar * s;
  75 uschar buf[64];
  76
  77 /* The 'previously-defined-substring' rule for macros in config file
  78 lines is done thus for these builtin macros: we know that the table
  79 we source from is in strict alpha order, hence the builtins portion
  80 of the macros list is in reverse-alpha (we prepend them) - so longer
  81 macros that have substrings are always discovered first during
  82 expansion. */
  83
  84 for (i = 0; i < nopt; i++)  if (*(s = US opts[i].name) && *s != '*')
  85   {
  86   if (group)
  87     spf(buf, sizeof(buf), CUS"_OPT_%T_%T_%T", section, group, s);
  88   else
  89     spf(buf, sizeof(buf), CUS"_OPT_%T_%T", section, s);
  90   builtin_macro_create(buf);
  91   }
  92 }
  93
  94
  95 /******************************************************************************/
  96
  97
  98 /* Create compile-time feature macros */
  99 static void
 100 features(void)
 101 {
 102 /* Probably we could work out a static initialiser for wherever
 103 macros are stored, but this will do for now. Some names are awkward
 104 due to conflicts with other common macros. */
 105
 106 #ifdef SUPPORT_CRYPTEQ
 107   builtin_macro_create(US"_HAVE_CRYPTEQ");
 108 #endif
 109 #if HAVE_ICONV
 110   builtin_macro_create(US"_HAVE_ICONV");
 111 #endif
 112 #if HAVE_IPV6
 113   builtin_macro_create(US"_HAVE_IPV6");
 114 #endif
 115 #ifdef HAVE_SETCLASSRESOURCES
 116   builtin_macro_create(US"_HAVE_SETCLASSRESOURCES");
 117 #endif
 118 #ifdef SUPPORT_PAM
 119   builtin_macro_create(US"_HAVE_PAM");
 120 #endif
 121 #ifdef EXIM_PERL
 122   builtin_macro_create(US"_HAVE_PERL");
 123 #endif
 124 #ifdef EXPAND_DLFUNC
 125   builtin_macro_create(US"_HAVE_DLFUNC");
 126 #endif
 127 #ifdef USE_TCP_WRAPPERS
 128   builtin_macro_create(US"_HAVE_TCPWRAPPERS");
 129 #endif
 130 #ifdef SUPPORT_TLS
 131   builtin_macro_create(US"_HAVE_TLS");
 132 # ifdef USE_GNUTLS
 133   builtin_macro_create(US"_HAVE_GNUTLS");
 134 # else
 135   builtin_macro_create(US"_HAVE_OPENSSL");
 136 # endif
 137 #endif
 138 #ifdef SUPPORT_TRANSLATE_IP_ADDRESS
 139   builtin_macro_create(US"_HAVE_TRANSLATE_IP_ADDRESS");
 140 #endif
 141 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
 142   builtin_macro_create(US"_HAVE_MOVE_FROZEN_MESSAGES");
 143 #endif
 144 #ifdef WITH_CONTENT_SCAN
 145   builtin_macro_create(US"_HAVE_CONTENT_SCANNING");
 146 #endif
 147 #ifndef DISABLE_DKIM
 148   builtin_macro_create(US"_HAVE_DKIM");
 149 #endif
 150 #ifndef DISABLE_DNSSEC
 151   builtin_macro_create(US"_HAVE_DNSSEC");
 152 #endif
 153 #ifndef DISABLE_EVENT
 154   builtin_macro_create(US"_HAVE_EVENT");
 155 #endif
 156 #ifdef SUPPORT_I18N
 157   builtin_macro_create(US"_HAVE_I18N");
 158 #endif
 159 #ifndef DISABLE_OCSP
 160   builtin_macro_create(US"_HAVE_OCSP");
 161 #endif
 162 #ifndef DISABLE_PRDR
 163   builtin_macro_create(US"_HAVE_PRDR");
 164 #endif
 165 #ifdef SUPPORT_PROXY
 166   builtin_macro_create(US"_HAVE_PROXY");
 167 #endif
 168 #ifdef SUPPORT_SOCKS
 169   builtin_macro_create(US"_HAVE_SOCKS");
 170 #endif
 171 #ifdef TCP_FASTOPEN
 172   builtin_macro_create(US"_HAVE_TCP_FASTOPEN");
 173 #endif
 174 #ifdef EXPERIMENTAL_LMDB
 175   builtin_macro_create(US"_HAVE_LMDB");
 176 #endif
 177 #ifdef SUPPORT_SPF
 178   builtin_macro_create(US"_HAVE_SPF");
 179 #endif
 180 #ifdef EXPERIMENTAL_SRS
 181   builtin_macro_create(US"_HAVE_SRS");
 182 #endif
 183 #ifdef EXPERIMENTAL_ARC
 184   builtin_macro_create(US"_HAVE_ARC");
 185 #endif
 186 #ifdef EXPERIMENTAL_BRIGHTMAIL
 187   builtin_macro_create(US"_HAVE_BRIGHTMAIL");
 188 #endif
 189 #ifdef SUPPORT_DANE
 190   builtin_macro_create(US"_HAVE_DANE");
 191 #endif
 192 #ifdef EXPERIMENTAL_DCC
 193   builtin_macro_create(US"_HAVE_DCC");
 194 #endif
 195 #ifdef EXPERIMENTAL_DMARC
 196   builtin_macro_create(US"_HAVE_DMARC");
 197 #endif
 198 #ifdef EXPERIMENTAL_DSN_INFO
 199   builtin_macro_create(US"_HAVE_DSN_INFO");
 200 #endif
 201 #ifdef EXPERIMENTAL_REQUIRETLS
 202   builtin_macro_create(US"_HAVE_REQTLS");
 203 #endif
 204 #ifdef EXPERIMENTAL_PIPE_CONNECT
 205   builtin_macro_create(US"_HAVE_PIPE_CONNECT");
 206 #endif
 207
 208 #ifdef LOOKUP_LSEARCH
 209   builtin_macro_create(US"_HAVE_LOOKUP_LSEARCH");
 210 #endif
 211 #ifdef LOOKUP_CDB
 212   builtin_macro_create(US"_HAVE_LOOKUP_CDB");
 213 #endif
 214 #ifdef LOOKUP_DBM
 215   builtin_macro_create(US"_HAVE_LOOKUP_DBM");
 216 #endif
 217 #ifdef LOOKUP_DNSDB
 218   builtin_macro_create(US"_HAVE_LOOKUP_DNSDB");
 219 #endif
 220 #ifdef LOOKUP_DSEARCH
 221   builtin_macro_create(US"_HAVE_LOOKUP_DSEARCH");
 222 #endif
 223 #ifdef LOOKUP_IBASE
 224   builtin_macro_create(US"_HAVE_LOOKUP_IBASE");
 225 #endif
 226 #ifdef LOOKUP_LDAP
 227   builtin_macro_create(US"_HAVE_LOOKUP_LDAP");
 228 #endif
 229 #ifdef EXPERIMENTAL_LMDB
 230   builtin_macro_create(US"_HAVE_LOOKUP_LMDB");
 231 #endif
 232 #ifdef LOOKUP_MYSQL
 233   builtin_macro_create(US"_HAVE_LOOKUP_MYSQL");
 234 #endif
 235 #ifdef LOOKUP_NIS
 236   builtin_macro_create(US"_HAVE_LOOKUP_NIS");
 237 #endif
 238 #ifdef LOOKUP_NISPLUS
 239   builtin_macro_create(US"_HAVE_LOOKUP_NISPLUS");
 240 #endif
 241 #ifdef LOOKUP_ORACLE
 242   builtin_macro_create(US"_HAVE_LOOKUP_ORACLE");
 243 #endif
 244 #ifdef LOOKUP_PASSWD
 245   builtin_macro_create(US"_HAVE_LOOKUP_PASSWD");
 246 #endif
 247 #ifdef LOOKUP_PGSQL
 248   builtin_macro_create(US"_HAVE_LOOKUP_PGSQL");
 249 #endif
 250 #ifdef LOOKUP_REDIS
 251   builtin_macro_create(US"_HAVE_LOOKUP_REDIS");
 252 #endif
 253 #ifdef LOOKUP_SQLITE
 254   builtin_macro_create(US"_HAVE_LOOKUP_SQLITE");
 255 #endif
 256 #ifdef LOOKUP_TESTDB
 257   builtin_macro_create(US"_HAVE_LOOKUP_TESTDB");
 258 #endif
 259 #ifdef LOOKUP_WHOSON
 260   builtin_macro_create(US"_HAVE_LOOKUP_WHOSON");
 261 #endif
 262
 263 #ifdef TRANSPORT_APPENDFILE
 264 # ifdef SUPPORT_MAILDIR
 265   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILDIR");
 266 # endif
 267 # ifdef SUPPORT_MAILSTORE
 268   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILSTORE");
 269 # endif
 270 # ifdef SUPPORT_MBX
 271   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MBX");
 272 # endif
 273 #endif
 274
 275 #ifdef WITH_CONTENT_SCAN
 276 features_malware();
 277 #endif
 278
 279 features_crypto();
 280 }
 281
 282
 283 static void
 284 options(void)
 285 {
 286 options_main();
 287 options_routers();
 288 options_transports();
 289 options_auths();
 290 options_logging();
 291 #if defined(SUPPORT_TLS) && !defined(USE_GNUTLS)
 292 options_tls();
 293 #endif
 294 }
 295
 296 static void
 297 params(void)
 298 {
 299 #ifndef DISABLE_DKIM
 300 params_dkim();
 301 #endif
 302 }
 303
 304
 305 int
 306 main(void)
 307 {
 308 printf("#include \"exim.h\"\n");
 309 features();
 310 options();
 311 params();
 312
 313 printf("macro_item * macros = &p%d;\n", mp_index-1);
 314 printf("macro_item * mlast = &p0;\n");
 315 exit(0);
 316 }