Pileus Git - ~andy/fetchmail/blob - conf.c

   1 /*
   2  * conf.c -- dump fetchmail configuration as Python dictionary initializer
   3  *
   4  * For license terms, see the file COPYING in this directory.
   5  */
   6
   7 #include "config.h"
   8 #include "tunable.h"
   9
  10 #include <stdio.h>
  11 #include <ctype.h>
  12 #include <stdlib.h>
  13 #include <unistd.h>
  14 #include <string.h>
  15 #include <pwd.h>
  16 #include <errno.h>
  17
  18 #include "fetchmail.h"
  19
  20 /* Python prettyprinting functions */
  21
  22 static int indent_level;
  23
  24 static void indent(char ic)
  25 /* indent current line */
  26 {
  27     int i;
  28
  29     if (ic == ')' || ic == ']' || ic == '}')
  30         indent_level--;
  31
  32     /*
  33      * The guard here is a kluge.  It depends on the fact that in the
  34      * particular structure we're dumping, opening [s are always
  35      * initializers for dictionary members and thus will be preceded
  36      * by a member name.
  37      */
  38     if (ic != '[')
  39     {
  40         for (i = 0; i < indent_level / 2; i++)
  41             putc('\t', stdout);
  42         if (indent_level % 2)
  43             fputs("    ", stdout);
  44     }
  45
  46     if (ic)
  47     {
  48         putc(ic, stdout);
  49         putc('\n', stdout);
  50     }
  51
  52     if (ic == '(' || ic == '[' || ic == '{')
  53         indent_level++;
  54 }
  55
  56
  57 static void stringdump(const char *name, const char *member)
  58 /* dump a string member with current indent */
  59 {
  60     indent('\0');
  61     fprintf(stdout, "\"%s\":", name);
  62     if (member)
  63         fprintf(stdout, "\"%s\"", visbuf(member));
  64     else
  65         fputs("None", stdout);
  66     fputs(",\n", stdout);
  67 }
  68
  69 static void numdump(const char *name, const int num)
  70 /* dump a numeric quantity at current indent */
  71 {
  72     indent('\0');
  73     fprintf(stdout, "'%s':%d,\n", name, NUM_VALUE_OUT(num));
  74 }
  75
  76 static void booldump(const char *name, const int onoff)
  77 /* dump a boolean quantity at current indent */
  78 {
  79     indent('\0');
  80     if (onoff)
  81         fprintf(stdout, "'%s':TRUE,\n", name);
  82     else
  83         fprintf(stdout, "'%s':FALSE,\n", name);
  84 }
  85
  86 static void listdump(const char *name, struct idlist *list)
  87 /* dump a string list member with current indent */
  88 {
  89     indent('\0');
  90     fprintf(stdout, "\"%s\":", name);
  91
  92     if (!list)
  93         fputs("[],\n", stdout);
  94     else
  95     {
  96         struct idlist *idp;
  97
  98         fputs("[", stdout);
  99         for (idp = list; idp; idp = idp->next)
 100             if (idp->id)
 101             {
 102                 fprintf(stdout, "\"%s\"", visbuf(idp->id));
 103                 if (idp->next)
 104                     fputs(", ", stdout);
 105             }
 106         fputs("],\n", stdout);
 107     }
 108 }
 109
 110 /*
 111  * Note: this function dumps the entire configuration,
 112  * after merging of the defaults record (if any).  It
 113  * is intended to produce output parseable by a configuration
 114  * front end, not anything especially comfortable for humans.
 115  */
 116
 117 void dump_config(struct runctl *runp, struct query *querylist)
 118 /* dump the in-core configuration in recompilable form */
 119 {
 120     struct query *ctl;
 121     struct idlist *idp;
 122     const char *features;
 123
 124     indent_level = 0;
 125
 126     /*
 127      * These had better match the values fetchmailconf is expecting!
 128      * (We don't want to import them from Tkinter because the user
 129      * might not have it installed.)
 130      */
 131     fputs("TRUE=1; FALSE=0\n\n", stdout);
 132
 133     /*
 134      * We need this in order to know whether `interface' and `monitor'
 135      * are valid options or not.
 136      */
 137 #if defined(linux)
 138     fputs("os_type = 'linux'\n", stdout);
 139 #elif defined(__FreeBSD__)
 140     fputs("os_type = 'freebsd'\n", stdout);
 141 #else
 142     fputs("os_type = 'generic'\n", stdout);
 143 #endif
 144
 145     /*
 146      * This should be approximately in sync with the -V option dumping
 147      * in fetchmail.c.
 148      */
 149     features = "feature_options = ("
 150 #ifdef POP3_ENABLE
 151     "'pop3',"
 152 #endif /* POP3_ENABLE */
 153 #ifdef IMAP_ENABLE
 154     "'imap',"
 155 #endif /* IMAP_ENABLE */
 156 #ifdef GSSAPI
 157     "'gssapi',"
 158 #endif /* GSSAPI */
 159 #ifdef RPA_ENABLE
 160     "'rpa',"
 161 #endif /* RPA_ENABLE */
 162 #ifdef SDPS_ENABLE
 163     "'sdps',"
 164 #endif /* SDPS_ENABLE */
 165 #ifdef ETRN_ENABLE
 166     "'etrn',"
 167 #endif /* ETRN_ENABLE */
 168 #ifdef ODMR_ENABLE
 169     "'odmr',"
 170 #endif /* ODMR_ENABLE */
 171 #ifdef SSL_ENABLE
 172     "'ssl',"
 173 #endif /* SSL_ENABLE */
 174 #ifdef OPIE_ENABLE
 175     "'opie',"
 176 #endif /* OPIE_ENABLE */
 177 #ifdef HAVE_SOCKS
 178     "'socks',"
 179 #endif /* HAVE_SOCKS */
 180     ")\n";
 181     fputs(features, stdout);
 182
 183     fputs("# Start of configuration initializer\n", stdout);
 184     fputs("fetchmailrc = ", stdout);
 185     indent('{');
 186
 187     numdump("poll_interval", runp->poll_interval);
 188     stringdump("logfile", runp->logfile);
 189     stringdump("idfile", runp->idfile);
 190     stringdump("postmaster", runp->postmaster);
 191     booldump("bouncemail", runp->bouncemail);
 192     booldump("spambounce", runp->spambounce);
 193     booldump("softbounce", runp->softbounce);
 194     stringdump("properties", runp->properties);
 195     booldump("invisible", runp->invisible);
 196     booldump("showdots", runp->showdots);
 197     booldump("syslog", runp->use_syslog);
 198
 199     if (!querylist)
 200     {
 201         fputs("    'servers': []\n", stdout);
 202         goto alldone;
 203     }
 204
 205     indent(0);
 206     fputs("# List of server entries begins here\n", stdout);
 207     indent(0);
 208     fputs("'servers': ", stdout);
 209     indent('[');
 210
 211     for (ctl = querylist; ctl; ctl = ctl->next)
 212     {
 213         /*
 214          * First, the server stuff.
 215          */
 216         if (!ctl->server.lead_server)
 217         {
 218             flag        using_kpop;
 219
 220             /*
 221              * Every time we see a leading server entry after the first one,
 222              * it implicitly ends the both (a) the list of user structures
 223              * associated with the previous entry, and (b) that previous entry.
 224              */
 225             if (ctl > querylist)
 226             {
 227                 indent(']');
 228                 indent('}');
 229                 indent('\0');
 230                 putc(',', stdout);
 231                 putc('\n', stdout);
 232             }
 233
 234             indent(0);
 235             fprintf(stdout,"# Entry for site `%s' begins:\n",ctl->server.pollname);
 236             indent('{');
 237
 238             using_kpop =
 239                 (ctl->server.protocol == P_POP3 &&
 240                  ctl->server.service && !strcmp(ctl->server.service, KPOP_PORT ) &&
 241                  ctl->server.authenticate == A_KERBEROS_V5);
 242
 243             stringdump("pollname", ctl->server.pollname);
 244             booldump("active", !ctl->server.skip);
 245             stringdump("via", ctl->server.via);
 246             stringdump("protocol",
 247                        using_kpop ? "KPOP" : showproto(ctl->server.protocol));
 248             stringdump("service",  ctl->server.service);
 249             numdump("timeout",  ctl->server.timeout);
 250             numdump("interval", ctl->server.interval);
 251
 252             if (ctl->server.envelope == STRING_DISABLED)
 253                 stringdump("envelope", NULL);
 254             else if (ctl->server.envelope == NULL)
 255                 stringdump("envelope", "Received");
 256             else
 257                 stringdump("envelope", ctl->server.envelope);
 258             numdump("envskip", ctl->server.envskip);
 259             stringdump("qvirtual", ctl->server.qvirtual);
 260
 261             switch (ctl->server.authenticate) {
 262                 case A_ANY:
 263                     stringdump("auth", "any"); break;
 264                 case A_PASSWORD:
 265                     stringdump("auth", "password"); break;
 266                 case A_OTP:
 267                     stringdump("auth", "otp"); break;
 268                 case A_NTLM:
 269                     stringdump("auth", "ntlm"); break;
 270                 case A_CRAM_MD5:
 271                     stringdump("auth", "cram-md5"); break;
 272                 case A_GSSAPI:
 273                     stringdump("auth", "gssapi"); break;
 274                 case A_KERBEROS_V5:
 275                     stringdump("auth", "kerberos_v5"); break;
 276                 case A_SSH:
 277                     stringdump("auth", "ssh"); break;
 278                 case A_MSN:
 279                     stringdump("auth", "msn"); break;
 280                 default: abort();
 281             }
 282
 283 #ifdef HAVE_RES_SEARCH
 284             booldump("dns", ctl->server.dns);
 285 #endif /* HAVE_RES_SEARCH */
 286             listdump("aka", ctl->server.akalist);
 287             listdump("localdomains", ctl->server.localdomains);
 288
 289 #ifdef CAN_MONITOR
 290             stringdump("interface", ctl->server.interface);
 291             stringdump("monitor", ctl->server.monitor);
 292 #endif
 293
 294             stringdump("plugin", ctl->server.plugin);
 295             stringdump("plugout", ctl->server.plugout);
 296             stringdump("principal", ctl->server.principal);
 297             if (ctl->server.esmtp_name)
 298                 stringdump("esmtpname",ctl->server.esmtp_name);
 299             if (ctl->server.esmtp_password)
 300                 stringdump("esmtppassword",ctl->server.esmtp_password);
 301             booldump("tracepolls", ctl->server.tracepolls);
 302             indent(0);
 303             switch(ctl->server.badheader) {
 304                 /* this is a hack - we map this to a boolean option for
 305                  * fetchmailconf purposes */
 306                 case BHREJECT: puts("'badheader': FALSE,"); break;
 307                 case BHACCEPT: puts("'badheader': TRUE,"); break;
 308             }
 309
 310             switch (ctl->server.retrieveerror) {
 311                 case RE_ABORT: stringdump("retrieveerror", "abort"); break;
 312                 case RE_CONTINUE: stringdump("retrieveerror", "continue"); break;
 313                 case RE_MARKSEEN: stringdump("retrieveerror", "markseen"); break;
 314             }
 315
 316             indent(0);
 317             fputs("'users': ", stdout);
 318             indent('[');
 319         }
 320
 321         indent('{');
 322
 323         stringdump("remote", ctl->remotename);
 324         stringdump("password", ctl->password);
 325
 326         indent('\0');
 327         fprintf(stdout, "'localnames':[");
 328         for (idp = ctl->localnames; idp; idp = idp->next)
 329         {
 330             char namebuf[USERNAMELEN + 1];
 331
 332             strlcpy(namebuf, visbuf(idp->id), sizeof(namebuf));
 333             if (idp->val.id2)
 334                 fprintf(stdout, "(\"%s\", %s)", namebuf, visbuf(idp->val.id2));
 335             else
 336                 fprintf(stdout, "\"%s\"", namebuf);
 337             if (idp->next)
 338                 fputs(", ", stdout);
 339         }
 340         if (ctl->wildcard)
 341             fputs(", '*'", stdout);
 342         fputs("],\n", stdout);
 343
 344         booldump("fetchall", ctl->fetchall);
 345         booldump("keep", ctl->keep);
 346         booldump("flush", ctl->flush);
 347         booldump("limitflush", ctl->limitflush);
 348         booldump("rewrite", ctl->rewrite);
 349         booldump("stripcr", ctl->stripcr);
 350         booldump("forcecr", ctl->forcecr);
 351         booldump("pass8bits", ctl->pass8bits);
 352         booldump("dropstatus", ctl->dropstatus);
 353         booldump("dropdelivered", ctl->dropdelivered);
 354         booldump("mimedecode", ctl->mimedecode);
 355         booldump("idle", ctl->idle);
 356
 357         stringdump("mda", ctl->mda);
 358         stringdump("bsmtp", ctl->bsmtp);
 359         indent('\0');
 360         if (ctl->listener == LMTP_MODE)
 361             fputs("'lmtp':TRUE,\n", stdout);
 362         else
 363             fputs("'lmtp':FALSE,\n", stdout);
 364
 365         stringdump("preconnect", ctl->preconnect);
 366         stringdump("postconnect", ctl->postconnect);
 367         numdump("limit", ctl->limit);
 368         numdump("warnings", ctl->warnings);
 369         numdump("fetchlimit", ctl->fetchlimit);
 370         numdump("fetchsizelimit", ctl->fetchsizelimit);
 371         numdump("fastuidl", ctl->fastuidl);
 372         numdump("batchlimit", ctl->batchlimit);
 373 #ifdef SSL_ENABLE
 374         booldump("ssl", ctl->use_ssl);
 375         stringdump("sslkey", ctl->sslkey);
 376         stringdump("sslcert", ctl->sslcert);
 377         stringdump("sslproto", ctl->sslproto);
 378         booldump("sslcertck", ctl->sslcertck);
 379         stringdump("sslcertpath", ctl->sslcertpath);
 380         stringdump("sslcommonname", ctl->sslcommonname);
 381         stringdump("sslfingerprint", ctl->sslfingerprint);
 382 #endif /* SSL_ENABLE */
 383         numdump("expunge", ctl->expunge);
 384         stringdump("properties", ctl->properties);
 385         listdump("smtphunt", ctl->smtphunt);
 386         listdump("fetchdomains", ctl->domainlist);
 387         stringdump("smtpaddress", ctl->smtpaddress);
 388         stringdump("smtpname", ctl->smtpname);
 389
 390         indent('\0');
 391         fprintf(stdout, "'antispam':'");
 392         for (idp = ctl->antispam; idp; idp = idp->next)
 393         {
 394             fprintf(stdout, "%d", idp->val.status.num);
 395             if (idp->next)
 396                 fputs(" ", stdout);
 397         }
 398         fputs("',\n", stdout);
 399         listdump("mailboxes", ctl->mailboxes);
 400
 401         indent('}');
 402         indent('\0');
 403         fputc(',', stdout);
 404     }
 405
 406     /* end last span of user entries and last server entry */
 407     indent(']');
 408     indent('}');
 409
 410     /* end array of servers */
 411     indent(']');
 412
 413  alldone:
 414     /* end top-level dictionary */
 415     indent('}');
 416     fputs("# End of initializer\n", stdout);
 417 }
 418
 419 /* conf.c ends here */