diplodocus.org Git - nmh/blob - config/config.c

   1
   2 /*
   3  * config.c -- master nmh configuration file
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11
  12 #ifdef MHRC
  13 # include <pwd.h>
  14 #endif
  15
  16 #define nmhbindir(file) NMHBINDIR#file
  17 #define nmhetcdir(file) NMHETCDIR#file
  18 #define nmhlibdir(file) NMHLIBDIR#file
  19
  20
  21 /*
  22  * Find the location of a format or configuration
  23  * file, and return its absolute pathname.
  24  *
  25  * 1) If already absolute pathname, then leave unchanged.
  26  * 2) Next, if it begins with ~user, then expand it.
  27  * 3) Next, check in nmh Mail directory.
  28  * 4) Next, check in nmh `etc' directory.
  29  *
  30  */
  31
  32 char *
  33 etcpath (char *file)
  34 {
  35     static char epath[PATH_MAX];
  36     char *cp;
  37 #ifdef MHRC
  38     char *pp;
  39     struct passwd *pw;
  40 #endif
  41
  42 #ifdef MHRC
  43     context_read();
  44 #endif
  45
  46     switch (*file) {
  47         case '/':
  48             /* If already absolute pathname, return it */
  49             return file;
  50
  51 #ifdef MHRC
  52         case '~':
  53             /* Expand ~username */
  54             if ((cp = strchr(pp = file + 1, '/')))
  55                 *cp++ = '\0';
  56             if (*pp == '\0') {
  57                 pp = mypath;
  58             } else {
  59                 if ((pw = getpwnam (pp)))
  60                     pp = pw->pw_dir;
  61                 else {
  62                     if (cp)
  63                         *--cp = '/';
  64                     goto try_it;
  65                 }
  66             }
  67
  68             snprintf (epath, sizeof(epath), "%s/%s", pp, cp ? cp : "");
  69             if (cp)
  70                 *--cp = '/';
  71
  72             if (access (epath, R_OK) != NOTOK)
  73                 return epath;   /* else fall */
  74 try_it:
  75 #endif /* MHRC */
  76
  77         default:
  78             /* Check nmh Mail directory */
  79             if (access ((cp = m_mailpath (file)), R_OK) != NOTOK)
  80                 return cp;
  81     }
  82
  83     /* Check nmh `etc' directory */
  84     snprintf (epath, sizeof(epath), nmhetcdir(/%s), file);
  85     return (access (epath, R_OK) != NOTOK ? epath : file);
  86 }
  87
  88
  89 /*
  90  * Standard yes/no switches structure
  91  */
  92
  93 struct swit anoyes[] = {
  94     { "no", 0 },
  95     { "yes", 0 },
  96     { NULL, 0 }
  97 };
  98
  99 /*
 100  * nmh constants
 101  */
 102
 103 /* initial profile for new users */
 104 char *mh_defaults = nmhetcdir (/mh.profile);
 105
 106 /* default name of user profile */
 107 char *mh_profile = ".mh_profile";
 108
 109 /* name of current message "sequence" */
 110 char *current = "cur";
 111
 112 /* standard component files */
 113 char *components = "components";                /* comp         */
 114 char *replcomps = "replcomps";                  /* repl         */
 115 char *replgroupcomps = "replgroupcomps";        /* repl -group  */
 116 char *forwcomps = "forwcomps";                  /* forw         */
 117 char *distcomps = "distcomps";                  /* dist         */
 118 char *rcvdistcomps = "rcvdistcomps";            /* rcvdist      */
 119 char *digestcomps = "digestcomps";              /* forw -digest */
 120
 121 /* standard format (filter) files */
 122 char *mhlformat = "mhl.format";                 /* show         */
 123 char *mhlreply = "mhl.reply";                   /* repl -filter */
 124 char *mhlforward = "mhl.forward";               /* forw -filter */
 125
 126 char *draft = "draft";
 127
 128 char *inbox = "Inbox";
 129 char *defaultfolder = "inbox";
 130
 131 char *pfolder = "Current-Folder";
 132 char *usequence = "Unseen-Sequence";
 133 char *psequence = "Previous-Sequence";
 134 char *nsequence = "Sequence-Negation";
 135
 136 /* profile entries for storage locations */
 137 char *nmhstorage = "nmh-storage";
 138 char *nmhcache = "nmh-cache";
 139 char *nmhprivcache = "nmh-private-cache";
 140
 141 /* profile entry for external ftp access command */
 142 char *nmhaccessftp = "nmh-access-ftp";
 143
 144 char *mhlibdir = NMHLIBDIR;
 145 char *mhetcdir = NMHETCDIR;
 146
 147 /*
 148  * nmh not-so constants
 149  */
 150
 151 /*
 152  * Default name for the nmh context file.
 153  */
 154 char *context = "context";
 155
 156 /*
 157  * Default name of file for public sequences.  If NULL,
 158  * then nmh will use private sequences by default, unless the
 159  * user defines a value using the "mh-sequences" profile entry.
 160  */
 161 #ifdef NOPUBLICSEQ
 162 char *mh_seq = NULL;
 163 #else
 164 char *mh_seq = ".mh_sequences";
 165 #endif
 166
 167 /*
 168  * nmh globals
 169  */
 170
 171 char ctxflags;          /* status of user's context   */
 172 char *invo_name;        /* command invocation name    */
 173 char *mypath;           /* user's $HOME               */
 174 char *defpath;          /* pathname of user's profile */
 175 char *ctxpath;          /* pathname of user's context */
 176 struct node *m_defs;    /* profile/context structure  */
 177
 178 /*
 179  * nmh processes
 180  */
 181
 182 /*
 183  * This is the program to process MIME composition files
 184  */
 185 char *buildmimeproc = nmhbindir (/mhbuild);
 186 /*
 187  * This is the program to `cat' a file.
 188  */
 189 char *catproc = "/bin/cat";
 190
 191 /*
 192  * mhl runs this program as a visual-end.
 193  */
 194
 195 char *faceproc = NULL;
 196
 197 /*
 198  * This program is usually called directly by users, but it is
 199  * also invoked by the post program to process an "Fcc", or by
 200  * comp/repl/forw/dist to refile a draft message.
 201  */
 202
 203 char *fileproc = nmhbindir (/refile);
 204
 205 /*
 206  * This program is called to incorporate messages into a folder.
 207  */
 208
 209 char *incproc = nmhbindir (/inc);
 210
 211 /*
 212  * When a user runs an nmh program for the first time, this program
 213  * is called to create his nmh profile, and mail directory.
 214  */
 215
 216 char *installproc = nmhlibdir (/install-mh);
 217
 218 /*
 219  * This is the default program invoked by a "list" response
 220  * at the "What now?" prompt.  It is also used by the draft
 221  * folder facility in comp/dist/forw/repl to display the
 222  * draft message.
 223  */
 224
 225 char *lproc = DEFAULT_PAGER;
 226
 227 /*
 228  * This is the path for the Bell equivalent mail program.
 229  */
 230
 231 char *mailproc = nmhbindir (/mhmail);
 232
 233 /*
 234  * This is used by mhl as a front-end.  It is also used
 235  * by mhn as the default method of displaying message bodies
 236  * or message parts of type text/plain.
 237  */
 238
 239 char *moreproc = DEFAULT_PAGER;
 240
 241 /*
 242  * This is the program (mhl) used to filter messages.  It is
 243  * used by mhn to filter and display the message headers of
 244  * MIME messages.  It is used by repl/forw (with -filter)
 245  * to filter the message to which you are replying/forwarding.
 246  * It is used by send/post (with -filter) to filter the message
 247  * for "Bcc:" recipients.
 248  */
 249
 250 char *mhlproc = nmhlibdir (/mhl);
 251
 252 /*
 253  * This is the super handy BBoard reading program, which is
 254  * really just the nmh shell program.
 255  */
 256
 257 char *mshproc = nmhbindir (/msh);
 258
 259 /*
 260  * This program is called to pack a folder.
 261  */
 262
 263 char *packproc = nmhbindir (/packf);
 264
 265 /*
 266  * This is the delivery program called by send to actually
 267  * deliver mail to users.  This is the interface to the MTS.
 268  */
 269
 270 char *postproc = nmhlibdir (/post);
 271
 272 /*
 273  * This is program is called by slocal to handle
 274  * the action `folder' or `+'.
 275  */
 276
 277 char *rcvstoreproc = nmhlibdir (/rcvstore);
 278
 279 /*
 280  * This program is called to remove a folder.
 281  */
 282
 283 char *rmfproc = nmhbindir (/rmf);
 284
 285 /*
 286  * This program is called to remove a message by rmm or refile -nolink.
 287  * It's usually empty, which means to rename the file to a backup name.
 288  */
 289
 290 char *rmmproc = NULL;
 291
 292 /*
 293  * This program is usually called by the user's whatnowproc, but it
 294  * may also be called directly to send a message previously composed.
 295  */
 296
 297 char *sendproc = nmhbindir (/send);
 298
 299 /*
 300  * This is the path to the program used by "show"
 301  * to display non-text (MIME) messages.
 302  */
 303
 304 char *showmimeproc = nmhbindir (/mhshow);
 305
 306 /*
 307  * This is the default program called by "show" to filter
 308  * and display standard text (non-MIME) messages.  It can be
 309  * changed to a pager (such as "more" or "less") if you prefer
 310  * that such message not be filtered in any way.
 311  */
 312
 313 char *showproc = nmhlibdir (/mhl);
 314
 315 /*
 316  * This program is called by vmh as the back-end to the window management
 317  * protocol
 318  */
 319
 320 char *vmhproc = nmhbindir (/msh);
 321
 322 /*
 323  * This program is called after comp, et. al., have built a draft
 324  */
 325
 326 char *whatnowproc = nmhbindir (/whatnow);
 327
 328 /*
 329  * This program is called to list/validate the addresses in a message.
 330  */
 331
 332 char *whomproc = nmhbindir (/whom);
 333
 334 /*
 335  * This is the editor invoked by the various message
 336  * composition programs.  It SHOULD be a full screen
 337  * editor, such as vi or emacs, but any editor will work.
 338  */
 339
 340 char *defaulteditor = DEFAULT_EDITOR;
 341
 342 /*
 343  * This is the global nmh alias file.  It is somewhat obsolete, since
 344  * global aliases should be handled by the Mail Transport Agent (MTA).
 345  */
 346
 347 char *AliasFile = nmhetcdir (/MailAliases);
 348
 349 /*
 350  * File protections
 351  */
 352
 353 /*
 354  * Folders (directories) are created with this protection (mode)
 355  */
 356
 357 char *foldprot = DEFAULT_FOLDER_MODE;
 358
 359 /*
 360  * Every NEW message will be created with this protection.  When a
 361  * message is filed it retains its protection, so this only applies
 362  * to messages coming in through inc.
 363  */
 364
 365 char *msgprot = DEFAULT_MESSAGE_MODE;
 366