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 const uschar * s;
  74 uschar buf[64];
  75
  76 /* The 'previously-defined-substring' rule for macros in config file
  77 lines is done thus for these builtin macros: we know that the table
  78 we source from is in strict alpha order, hence the builtins portion
  79 of the macros list is in reverse-alpha (we prepend them) - so longer
  80 macros that have substrings are always discovered first during
  81 expansion. */
  82
  83 for (int i = 0; i < nopt; i++)  if (*(s = US opts[i].name) && *s != '*')
  84   {
  85   if (group)
  86     spf(buf, sizeof(buf), CUS"_OPT_%T_%T_%T", section, group, s);
  87   else
  88     spf(buf, sizeof(buf), CUS"_OPT_%T_%T", section, s);
  89   builtin_macro_create(buf);
  90   }
  91 }
  92
  93
  94 /******************************************************************************/
  95
  96
  97 /* Create compile-time feature macros */
  98 static void
  99 features(void)
 100 {
 101 /* Probably we could work out a static initialiser for wherever
 102 macros are stored, but this will do for now. Some names are awkward
 103 due to conflicts with other common macros. */
 104
 105 #ifdef SUPPORT_CRYPTEQ
 106   builtin_macro_create(US"_HAVE_CRYPTEQ");
 107 #endif
 108 #if HAVE_ICONV
 109   builtin_macro_create(US"_HAVE_ICONV");
 110 #endif
 111 #if HAVE_IPV6
 112   builtin_macro_create(US"_HAVE_IPV6");
 113 #endif
 114 #ifdef HAVE_SETCLASSRESOURCES
 115   builtin_macro_create(US"_HAVE_SETCLASSRESOURCES");
 116 #endif
 117 #ifdef SUPPORT_PAM
 118   builtin_macro_create(US"_HAVE_PAM");
 119 #endif
 120 #ifdef EXIM_PERL
 121   builtin_macro_create(US"_HAVE_PERL");
 122 #endif
 123 #ifdef EXPAND_DLFUNC
 124   builtin_macro_create(US"_HAVE_DLFUNC");
 125 #endif
 126 #ifdef USE_TCP_WRAPPERS
 127   builtin_macro_create(US"_HAVE_TCPWRAPPERS");
 128 #endif
 129 #ifdef SUPPORT_TLS
 130   builtin_macro_create(US"_HAVE_TLS");
 131 # ifdef USE_GNUTLS
 132   builtin_macro_create(US"_HAVE_GNUTLS");
 133 # else
 134   builtin_macro_create(US"_HAVE_OPENSSL");
 135 # endif
 136 #endif
 137 #ifdef SUPPORT_TRANSLATE_IP_ADDRESS
 138   builtin_macro_create(US"_HAVE_TRANSLATE_IP_ADDRESS");
 139 #endif
 140 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
 141   builtin_macro_create(US"_HAVE_MOVE_FROZEN_MESSAGES");
 142 #endif
 143 #ifdef WITH_CONTENT_SCAN
 144   builtin_macro_create(US"_HAVE_CONTENT_SCANNING");
 145 #endif
 146 #ifndef DISABLE_DKIM
 147   builtin_macro_create(US"_HAVE_DKIM");
 148 #endif
 149 #ifndef DISABLE_DNSSEC
 150   builtin_macro_create(US"_HAVE_DNSSEC");
 151 #endif
 152 #ifndef DISABLE_EVENT
 153   builtin_macro_create(US"_HAVE_EVENT");
 154 #endif
 155 #ifdef SUPPORT_I18N
 156   builtin_macro_create(US"_HAVE_I18N");
 157 #endif
 158 #ifndef DISABLE_OCSP
 159   builtin_macro_create(US"_HAVE_OCSP");
 160 #endif
 161 #ifndef DISABLE_PRDR
 162   builtin_macro_create(US"_HAVE_PRDR");
 163 #endif
 164 #ifdef SUPPORT_PROXY
 165   builtin_macro_create(US"_HAVE_PROXY");
 166 #endif
 167 #ifdef SUPPORT_SOCKS
 168   builtin_macro_create(US"_HAVE_SOCKS");
 169 #endif
 170 #ifdef TCP_FASTOPEN
 171   builtin_macro_create(US"_HAVE_TCP_FASTOPEN");
 172 #endif
 173 #ifdef EXPERIMENTAL_LMDB
 174   builtin_macro_create(US"_HAVE_LMDB");
 175 #endif
 176 #ifdef SUPPORT_SPF
 177   builtin_macro_create(US"_HAVE_SPF");
 178 #endif
 179 #ifdef EXPERIMENTAL_SRS
 180   builtin_macro_create(US"_HAVE_SRS");
 181 #endif
 182 #ifdef EXPERIMENTAL_ARC
 183   builtin_macro_create(US"_HAVE_ARC");
 184 #endif
 185 #ifdef EXPERIMENTAL_BRIGHTMAIL
 186   builtin_macro_create(US"_HAVE_BRIGHTMAIL");
 187 #endif
 188 #ifdef SUPPORT_DANE
 189   builtin_macro_create(US"_HAVE_DANE");
 190 #endif
 191 #ifdef EXPERIMENTAL_DCC
 192   builtin_macro_create(US"_HAVE_DCC");
 193 #endif
 194 #ifdef EXPERIMENTAL_DMARC
 195   builtin_macro_create(US"_HAVE_DMARC");
 196 #endif
 197 #ifdef EXPERIMENTAL_DSN_INFO
 198   builtin_macro_create(US"_HAVE_DSN_INFO");
 199 #endif
 200 #ifdef EXPERIMENTAL_REQUIRETLS
 201   builtin_macro_create(US"_HAVE_REQTLS");
 202 #endif
 203 #ifdef EXPERIMENTAL_PIPE_CONNECT
 204   builtin_macro_create(US"_HAVE_PIPE_CONNECT");
 205 #endif
 206
 207 #ifdef LOOKUP_LSEARCH
 208   builtin_macro_create(US"_HAVE_LOOKUP_LSEARCH");
 209 #endif
 210 #ifdef LOOKUP_CDB
 211   builtin_macro_create(US"_HAVE_LOOKUP_CDB");
 212 #endif
 213 #ifdef LOOKUP_DBM
 214   builtin_macro_create(US"_HAVE_LOOKUP_DBM");
 215 #endif
 216 #ifdef LOOKUP_DNSDB
 217   builtin_macro_create(US"_HAVE_LOOKUP_DNSDB");
 218 #endif
 219 #ifdef LOOKUP_DSEARCH
 220   builtin_macro_create(US"_HAVE_LOOKUP_DSEARCH");
 221 #endif
 222 #ifdef LOOKUP_IBASE
 223   builtin_macro_create(US"_HAVE_LOOKUP_IBASE");
 224 #endif
 225 #ifdef LOOKUP_LDAP
 226   builtin_macro_create(US"_HAVE_LOOKUP_JSON");
 227 #endif
 228 #ifdef LOOKUP_LDAP
 229   builtin_macro_create(US"_HAVE_LOOKUP_LDAP");
 230 #endif
 231 #ifdef EXPERIMENTAL_LMDB
 232   builtin_macro_create(US"_HAVE_LOOKUP_LMDB");
 233 #endif
 234 #ifdef LOOKUP_MYSQL
 235   builtin_macro_create(US"_HAVE_LOOKUP_MYSQL");
 236 #endif
 237 #ifdef LOOKUP_NIS
 238   builtin_macro_create(US"_HAVE_LOOKUP_NIS");
 239 #endif
 240 #ifdef LOOKUP_NISPLUS
 241   builtin_macro_create(US"_HAVE_LOOKUP_NISPLUS");
 242 #endif
 243 #ifdef LOOKUP_ORACLE
 244   builtin_macro_create(US"_HAVE_LOOKUP_ORACLE");
 245 #endif
 246 #ifdef LOOKUP_PASSWD
 247   builtin_macro_create(US"_HAVE_LOOKUP_PASSWD");
 248 #endif
 249 #ifdef LOOKUP_PGSQL
 250   builtin_macro_create(US"_HAVE_LOOKUP_PGSQL");
 251 #endif
 252 #ifdef LOOKUP_REDIS
 253   builtin_macro_create(US"_HAVE_LOOKUP_REDIS");
 254 #endif
 255 #ifdef LOOKUP_SQLITE
 256   builtin_macro_create(US"_HAVE_LOOKUP_SQLITE");
 257 #endif
 258 #ifdef LOOKUP_TESTDB
 259   builtin_macro_create(US"_HAVE_LOOKUP_TESTDB");
 260 #endif
 261 #ifdef LOOKUP_WHOSON
 262   builtin_macro_create(US"_HAVE_LOOKUP_WHOSON");
 263 #endif
 264
 265 #ifdef TRANSPORT_APPENDFILE
 266 # ifdef SUPPORT_MAILDIR
 267   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILDIR");
 268 # endif
 269 # ifdef SUPPORT_MAILSTORE
 270   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILSTORE");
 271 # endif
 272 # ifdef SUPPORT_MBX
 273   builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MBX");
 274 # endif
 275 #endif
 276
 277 #ifdef WITH_CONTENT_SCAN
 278 features_malware();
 279 #endif
 280
 281 features_crypto();
 282 }
 283
 284
 285 static void
 286 options(void)
 287 {
 288 options_main();
 289 options_routers();
 290 options_transports();
 291 options_auths();
 292 options_logging();
 293 #if defined(SUPPORT_TLS) && !defined(USE_GNUTLS)
 294 options_tls();
 295 #endif
 296 }
 297
 298 static void
 299 params(void)
 300 {
 301 #ifndef DISABLE_DKIM
 302 params_dkim();
 303 #endif
 304 }
 305
 306
 307 int
 308 main(void)
 309 {
 310 printf("#include \"exim.h\"\n");
 311 features();
 312 options();
 313 params();
 314
 315 printf("macro_item * macros = &p%d;\n", mp_index-1);
 316 printf("macro_item * mlast = &p0;\n");
 317 exit(0);
 318 }