src/src/macro_predef.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) Jeremy Harris 1995 - 2018 */
   6 /* Copyright (c) The Exim Maintainers 2020 */
   7 /* See the file NOTICE for conditions of use and distribution. */
   8
   9 /* Create a static data structure with the predefined macros, to be
  10 included in the main Exim build */
  11
  12 #include "exim.h"
  13 #include "macro_predef.h"
  14
  15 unsigned mp_index = 0;
  16
  17 /* Global dummy variables */
  18
  19 void fn_smtp_receive_timeout(const uschar * name, const uschar * str) {}
  20 uschar * syslog_facility_str;
  21
  22 /******************************************************************************/
  23
  24 void
  25 builtin_macro_create_var(const uschar * name, const uschar * val)
  26 {
  27 printf ("static macro_item p%d = { ", mp_index);
  28 if (mp_index == 0)
  29   printf(".next=NULL,");
  30 else
  31   printf(".next=&p%d,", mp_index-1);
  32
  33 printf(" .command_line=FALSE, .namelen=%d, .replen=%d,"
  34         " .name=US\"%s\", .replacement=US\"%s\" };\n",
  35         Ustrlen(name), Ustrlen(val), CS name, CS val);
  36 mp_index++;
  37 }
  38
  39
  40 void
  41 builtin_macro_create(const uschar * name)
  42 {
  43 builtin_macro_create_var(name, US"y");
  44 }
  45
  46
  47 /* restricted snprintf */
  48 void
  49 spf(uschar * buf, int len, const uschar * fmt, ...)
  50 {
  51 va_list ap;
  52 va_start(ap, fmt);
  53
  54 while (*fmt && len > 1)
  55   if (*fmt == '%' && fmt[1] == 'T')
  56     {
  57     uschar * s = va_arg(ap, uschar *);
  58     while (*s && len-- > 1)
  59       *buf++ = toupper(*s++);
  60     fmt += 2;
  61     }
  62   else
  63     {
  64     *buf++ = *fmt++; len--;
  65     }
  66 *buf = '\0';
  67 va_end(ap);
  68 }
  69
  70 void
  71 options_from_list(optionlist * opts, unsigned nopt,
  72   const uschar * section, uschar * group)
  73 {
  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 (int 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 #ifndef DISABLE_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 #ifdef SUPPORT_DMARC
 151   builtin_macro_create(US"_HAVE_DMARC");
 152 #endif
 153 #ifndef DISABLE_DNSSEC
 154   builtin_macro_create(US"_HAVE_DNSSEC");
 155 #endif
 156 #ifndef DISABLE_EVENT
 157   builtin_macro_create(US"_HAVE_EVENT");
 158 #endif
 159 #ifdef SUPPORT_I18N
 160   builtin_macro_create(US"_HAVE_I18N");
 161 #endif
 162 #ifndef DISABLE_OCSP
 163   builtin_macro_create(US"_HAVE_OCSP");
 164 #endif
 165 #ifndef DISABLE_PIPE_CONNECT
 166   builtin_macro_create(US"_HAVE_PIPE_CONNECT");
 167 #endif
 168 #ifndef DISABLE_PRDR
 169   builtin_macro_create(US"_HAVE_PRDR");
 170 #endif
 171 #ifdef SUPPORT_PROXY
 172   builtin_macro_create(US"_HAVE_PROXY");
 173 #endif
 174 #ifdef SUPPORT_SOCKS
 175   builtin_macro_create(US"_HAVE_SOCKS");
 176 #endif
 177 #ifdef TCP_FASTOPEN
 178   builtin_macro_create(US"_HAVE_TCP_FASTOPEN");
 179 #endif
 180 #ifdef EXPERIMENTAL_LMDB
 181   builtin_macro_create(US"_HAVE_LMDB");
 182 #endif
 183 #ifdef SUPPORT_SPF
 184   builtin_macro_create(US"_HAVE_SPF");
 185 #endif
 186 #if defined(EXPERIMENTAL_SRS) || defined(EXPERIMENTAL_SRS_NATIVE)
 187   builtin_macro_create(US"_HAVE_SRS");
 188 #endif
 189 #if defined(EXPERIMENTAL_SRS_NATIVE)
 190   builtin_macro_create(US"_HAVE_NATIVE_SRS");   /* beware clash with _HAVE_SRS */
 191 #endif
 192 #ifdef EXPERIMENTAL_ARC
 193   builtin_macro_create(US"_HAVE_ARC");
 194 #endif
 195 #ifdef EXPERIMENTAL_BRIGHTMAIL
 196   builtin_macro_create(US"_HAVE_BRIGHTMAIL");
 197 #endif
 198 #ifdef SUPPORT_DANE
 199   builtin_macro_create(US"_HAVE_DANE");
 200 #endif
 201 #ifdef EXPERIMENTAL_DCC
 202   builtin_macro_create(US"_HAVE_DCC");
 203 #endif
 204 #ifdef EXPERIMENTAL_DSN_INFO
 205   builtin_macro_create(US"_HAVE_DSN_INFO");
 206 #endif
 207 #ifdef EXPERIMENTAL_TLS_RESUME
 208   builtin_macro_create(US"_HAVE_TLS_RESUME");
 209 #endif
 210
 211 #ifdef LOOKUP_LSEARCH
 212   builtin_macro_create(US"_HAVE_LOOKUP_LSEARCH");
 213 #endif
 214 #ifdef LOOKUP_CDB
 215   builtin_macro_create(US"_HAVE_LOOKUP_CDB");
 216 #endif
 217 #ifdef LOOKUP_DBM
 218   builtin_macro_create(US"_HAVE_LOOKUP_DBM");
 219 #endif
 220 #ifdef LOOKUP_DNSDB
 221   builtin_macro_create(US"_HAVE_LOOKUP_DNSDB");
 222 #endif
 223 #ifdef LOOKUP_DSEARCH
 224   builtin_macro_create(US"_HAVE_LOOKUP_DSEARCH");
 225 #endif
 226 #ifdef LOOKUP_IBASE
 227   builtin_macro_create(US"_HAVE_LOOKUP_IBASE");
 228 #endif
 229 #ifdef LOOKUP_LDAP
 230   builtin_macro_create(US"_HAVE_LOOKUP_JSON");
 231 #endif
 232 #ifdef LOOKUP_LDAP
 233   builtin_macro_create(US"_HAVE_LOOKUP_LDAP");
 234 #endif
 235 #ifdef EXPERIMENTAL_LMDB
 236   builtin_macro_create(US"_HAVE_LOOKUP_LMDB");
 237 #endif
 238 #ifdef LOOKUP_MYSQL
 239   builtin_macro_create(US"_HAVE_LOOKUP_MYSQL");
 240 #endif
 241 #ifdef LOOKUP_NIS
 242   builtin_macro_create(US"_HAVE_LOOKUP_NIS");
 243 #endif
 244 #ifdef LOOKUP_NISPLUS
 245   builtin_macro_create(US"_HAVE_LOOKUP_NISPLUS");
 246 #endif
 247 #ifdef LOOKUP_ORACLE
 248   builtin_macro_create(US"_HAVE_LOOKUP_ORACLE");
 249 #endif
 250 #ifdef LOOKUP_PASSWD
 251   builtin_macro_create(US"_HAVE_LOOKUP_PASSWD");
 252 #endif
 253 #ifdef LOOKUP_PGSQL
 254   builtin_macro_create(US"_HAVE_LOOKUP_PGSQL");
 255 #endif
 256 #ifdef LOOKUP_REDIS
 257   builtin_macro_create(US"_HAVE_LOOKUP_REDIS");
 258 #endif
 259 #ifdef LOOKUP_SQLITE
 260   builtin_macro_create(US"_HAVE_LOOKUP_SQLITE");
 261 #endif
 262 #ifdef LOOKUP_TESTDB
 263   builtin_macro_create(US"_HAVE_LOOKUP_TESTDB");
 264 #endif
 265 #ifdef LOOKUP_WHOSON
 266   builtin_macro_create(US"_HAVE_LOOKUP_WHOSON");
 267 #endif
 268
 269 #ifdef TRANSPORT_APPENDFILE
 270 # ifdef SUPPORT_MAILDIR
 271   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILDIR");
 272 # endif
 273 # ifdef SUPPORT_MAILSTORE
 274   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILSTORE");
 275 # endif
 276 # ifdef SUPPORT_MBX
 277   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MBX");
 278 # endif
 279 #endif
 280
 281 #ifdef WITH_CONTENT_SCAN
 282 features_malware();
 283 #endif
 284
 285 features_crypto();
 286 }
 287
 288
 289 static void
 290 options(void)
 291 {
 292 options_main();
 293 options_routers();
 294 options_transports();
 295 options_auths();
 296 options_logging();
 297 #ifndef DISABLE_TLS
 298 options_tls();
 299 #endif
 300 }
 301
 302 static void
 303 params(void)
 304 {
 305 #ifndef DISABLE_DKIM
 306 params_dkim();
 307 #endif
 308 }
 309
 310
 311 int
 312 main(void)
 313 {
 314 printf("#include \"exim.h\"\n");
 315 features();
 316 options();
 317 params();
 318
 319 printf("macro_item * macros = &p%d;\n", mp_index-1);
 320 printf("macro_item * mlast = &p0;\n");
 321 exit(0);
 322 }