DKIM: add builtin macro with default list of headers for signing
[exim.git] / src / src / macro_predef.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) Jeremy Harris 2017 */
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 void
47 spf(uschar * buf, int len, const uschar * fmt, ...)
48 {
49 va_list ap;
50 va_start(ap, fmt);
51
52 while (*fmt && len > 1)
53 if (*fmt == '%' && fmt[1] == 'T')
54 {
55 uschar * s = va_arg(ap, uschar *);
56 while (*s && len-- > 1)
57 *buf++ = toupper(*s++);
58 fmt += 2;
59 }
60 else
61 {
62 *buf++ = *fmt++; len--;
63 }
64 *buf = '\0';
65 va_end(ap);
66 }
67
68 void
69 options_from_list(optionlist * opts, unsigned nopt,
70 const uschar * section, uschar * group)
71 {
72 int i;
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 (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 EXPERIMENTAL_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_BRIGHTMAIL
183 builtin_macro_create(US"_HAVE_BRIGHTMAIL");
184 #endif
185 #ifdef EXPERIMENTAL_DANE
186 builtin_macro_create(US"_HAVE_DANE");
187 #endif
188 #ifdef EXPERIMENTAL_DCC
189 builtin_macro_create(US"_HAVE_DCC");
190 #endif
191 #ifdef EXPERIMENTAL_DMARC
192 builtin_macro_create(US"_HAVE_DMARC");
193 #endif
194 #ifdef EXPERIMENTAL_DSN_INFO
195 builtin_macro_create(US"_HAVE_DSN_INFO");
196 #endif
197
198 #ifdef LOOKUP_LSEARCH
199 builtin_macro_create(US"_HAVE_LOOKUP_LSEARCH");
200 #endif
201 #ifdef LOOKUP_CDB
202 builtin_macro_create(US"_HAVE_LOOKUP_CDB");
203 #endif
204 #ifdef LOOKUP_DBM
205 builtin_macro_create(US"_HAVE_LOOKUP_DBM");
206 #endif
207 #ifdef LOOKUP_DNSDB
208 builtin_macro_create(US"_HAVE_LOOKUP_DNSDB");
209 #endif
210 #ifdef LOOKUP_DSEARCH
211 builtin_macro_create(US"_HAVE_LOOKUP_DSEARCH");
212 #endif
213 #ifdef LOOKUP_IBASE
214 builtin_macro_create(US"_HAVE_LOOKUP_IBASE");
215 #endif
216 #ifdef LOOKUP_LDAP
217 builtin_macro_create(US"_HAVE_LOOKUP_LDAP");
218 #endif
219 #ifdef EXPERIMENTAL_LMDB
220 builtin_macro_create(US"_HAVE_LOOKUP_LMDB");
221 #endif
222 #ifdef LOOKUP_MYSQL
223 builtin_macro_create(US"_HAVE_LOOKUP_MYSQL");
224 #endif
225 #ifdef LOOKUP_NIS
226 builtin_macro_create(US"_HAVE_LOOKUP_NIS");
227 #endif
228 #ifdef LOOKUP_NISPLUS
229 builtin_macro_create(US"_HAVE_LOOKUP_NISPLUS");
230 #endif
231 #ifdef LOOKUP_ORACLE
232 builtin_macro_create(US"_HAVE_LOOKUP_ORACLE");
233 #endif
234 #ifdef LOOKUP_PASSWD
235 builtin_macro_create(US"_HAVE_LOOKUP_PASSWD");
236 #endif
237 #ifdef LOOKUP_PGSQL
238 builtin_macro_create(US"_HAVE_LOOKUP_PGSQL");
239 #endif
240 #ifdef LOOKUP_REDIS
241 builtin_macro_create(US"_HAVE_LOOKUP_REDIS");
242 #endif
243 #ifdef LOOKUP_SQLITE
244 builtin_macro_create(US"_HAVE_LOOKUP_SQLITE");
245 #endif
246 #ifdef LOOKUP_TESTDB
247 builtin_macro_create(US"_HAVE_LOOKUP_TESTDB");
248 #endif
249 #ifdef LOOKUP_WHOSON
250 builtin_macro_create(US"_HAVE_LOOKUP_WHOSON");
251 #endif
252
253 #ifdef TRANSPORT_APPENDFILE
254 # ifdef SUPPORT_MAILDIR
255 builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILDIR");
256 # endif
257 # ifdef SUPPORT_MAILSTORE
258 builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MAILSTORE");
259 # endif
260 # ifdef SUPPORT_MBX
261 builtin_macro_create(US"_HAVE_TRANSPORT_APPEND_MBX");
262 # endif
263 #endif
264 }
265
266
267 static void
268 options(void)
269 {
270 options_main();
271 options_routers();
272 options_transports();
273 options_auths();
274 }
275
276 static void
277 params(void)
278 {
279 dkim_params();
280 }
281
282
283 int
284 main(void)
285 {
286 printf("#include \"exim.h\"\n");
287 features();
288 options();
289 params();
290
291 printf("macro_item * macros = &p%d;\n", mp_index-1);
292 printf("macro_item * mlast = &p0;\n");
293 exit(0);
294 }