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 #include <stdio.h>
  12
  13 #ifdef MHRC
  14 # include <pwd.h>
  15 #endif
  16
  17 #define nmhbindir(file) NMHBINDIR#file
  18 #define nmhetcdir(file) NMHETCDIR#file
  19 #define nmhlibdir(file) NMHLIBDIR#file
  20
  21
  22 /*
  23  * Find the location of a format or configuration
  24  * file, and return its absolute pathname.
  25  *
  26  * 1) If already absolute pathname, then leave unchanged.
  27  * 2) Next, if it begins with ~user, then expand it.
  28  * 3) Next, check in nmh Mail directory.
  29  * 4) Next, check in nmh `etc' directory.
  30  *
  31  */
  32
  33 char *
  34 etcpath (char *file)
  35 {
  36     static char epath[PATH_MAX];
  37     char *cp;
  38 #ifdef MHRC
  39     char *pp;
  40     struct passwd *pw;
  41 #endif
  42
  43 #ifdef MHRC
  44     context_read();
  45 #endif
  46
  47     switch (*file) {
  48         case '/':
  49             /* If already absolute pathname, return it */
  50             return file;
  51
  52 #ifdef MHRC
  53         case '~':
  54             /* Expand ~username */
  55             if ((cp = strchr(pp = file + 1, '/')))
  56                 *cp++ = '\0';
  57             if (*pp == '\0') {
  58                 pp = mypath;
  59             } else {
  60                 if ((pw = getpwnam (pp)))
  61                     pp = pw->pw_dir;
  62                 else {
  63                     if (cp)
  64                         *--cp = '/';
  65                     goto try_it;
  66                 }
  67             }
  68
  69             snprintf (epath, sizeof(epath), "%s/%s", pp, cp ? cp : "");
  70             if (cp)
  71                 *--cp = '/';
  72
  73             if (access (epath, R_OK) != NOTOK)
  74                 return epath;   /* else fall */
  75 try_it:
  76 #endif /* MHRC */
  77
  78         default:
  79             /* Check nmh Mail directory */
  80             if (access ((cp = m_mailpath (file)), R_OK) != NOTOK)
  81                 return cp;
  82     }
  83
  84     /* Check nmh `etc' directory */
  85     snprintf (epath, sizeof(epath), nmhetcdir(/%s), file);
  86     return (access (epath, R_OK) != NOTOK ? epath : file);
  87 }
  88
  89
  90 /*
  91  * Standard yes/no switches structure
  92  */
  93
  94 struct swit anoyes[] = {
  95     { "no", 0 },
  96     { "yes", 0 },
  97     { NULL, 0 }
  98 };
  99
 100 /*
 101  * nmh constants
 102  */
 103
 104 /* initial profile for new users */
 105 char *mh_defaults = nmhetcdir (/mh.profile);
 106
 107 /* default name of user profile */
 108 char *mh_profile = ".mh_profile";
 109
 110 /* name of current message "sequence" */
 111 char *current = "cur";
 112
 113 /* standard component files */
 114 char *components = "components";                /* comp         */
 115 char *replcomps = "replcomps";                  /* repl         */
 116 char *replgroupcomps = "replgroupcomps";        /* repl -group  */
 117 char *forwcomps = "forwcomps";                  /* forw         */
 118 char *distcomps = "distcomps";                  /* dist         */
 119 char *rcvdistcomps = "rcvdistcomps";            /* rcvdist      */
 120 char *digestcomps = "digestcomps";              /* forw -digest */
 121
 122 /* standard format (filter) files */
 123 char *mhlformat = "mhl.format";                 /* show         */
 124 char *mhlreply = "mhl.reply";                   /* repl -filter */
 125 char *mhlforward = "mhl.forward";               /* forw -filter */
 126
 127 char *draft = "draft";
 128
 129 char *inbox = "Inbox";
 130 char *defaultfolder = "inbox";
 131
 132 char *pfolder = "Current-Folder";
 133 char *usequence = "Unseen-Sequence";
 134 char *psequence = "Previous-Sequence";
 135 char *nsequence = "Sequence-Negation";
 136
 137 /* profile entries for storage locations */
 138 char *nmhstorage = "nmh-storage";
 139 char *nmhcache = "nmh-cache";
 140 char *nmhprivcache = "nmh-private-cache";
 141
 142 /* profile entry for external ftp access command */
 143 char *nmhaccessftp = "nmh-access-ftp";
 144
 145 char *mhlibdir = NMHLIBDIR;
 146 char *mhetcdir = NMHETCDIR;
 147
 148 /*
 149  * nmh not-so constants
 150  */
 151
 152 /*
 153  * Default name for the nmh context file.
 154  */
 155 char *context = "context";
 156
 157 /*
 158  * Default name of file for public sequences.  If NULL,
 159  * then nmh will use private sequences by default, unless the
 160  * user defines a value using the "mh-sequences" profile entry.
 161  */
 162 #ifdef NOPUBLICSEQ
 163 char *mh_seq = NULL;
 164 #else
 165 char *mh_seq = ".mh_sequences";
 166 #endif
 167
 168 /*
 169  * nmh globals
 170  */
 171
 172 char ctxflags;          /* status of user's context   */
 173 char *invo_name;        /* command invocation name    */
 174 char *mypath;           /* user's $HOME               */
 175 char *defpath;          /* pathname of user's profile */
 176 char *ctxpath;          /* pathname of user's context */
 177 struct node *m_defs;    /* profile/context structure  */
 178
 179 /*
 180  * nmh processes
 181  */
 182
 183 /*
 184  * This is the program to process MIME composition files
 185  */
 186 char *buildmimeproc = nmhbindir (/mhbuild);
 187 /*
 188  * This is the program to `cat' a file.
 189  */
 190 char *catproc = "/bin/cat";
 191
 192 /*
 193  * mhl runs this program as a visual-end.
 194  */
 195
 196 char *faceproc = NULL;
 197
 198 /*
 199  * This program is usually called directly by users, but it is
 200  * also invoked by the post program to process an "Fcc", or by
 201  * comp/repl/forw/dist to refile a draft message.
 202  */
 203
 204 char *fileproc = nmhbindir (/refile);
 205
 206 /*
 207  * This program is called to incorporate messages into a folder.
 208  */
 209
 210 char *incproc = nmhbindir (/inc);
 211
 212 /*
 213  * When a user runs an nmh program for the first time, this program
 214  * is called to create his nmh profile, and mail directory.
 215  */
 216
 217 char *installproc = nmhlibdir (/install-mh);
 218
 219 /*
 220  * This is the default program invoked by a "list" response
 221  * at the "What now?" prompt.  It is also used by the draft
 222  * folder facility in comp/dist/forw/repl to display the
 223  * draft message.
 224  */
 225
 226 char *lproc = DEFAULT_PAGER;
 227
 228 /*
 229  * This is the path for the Bell equivalent mail program.
 230  */
 231
 232 char *mailproc = nmhbindir (/mhmail);
 233
 234 /*
 235  * This is used by mhl as a front-end.  It is also used
 236  * by mhn as the default method of displaying message bodies
 237  * or message parts of type text/plain.
 238  */
 239
 240 char *moreproc = DEFAULT_PAGER;
 241
 242 /*
 243  * This is the program (mhl) used to filter messages.  It is
 244  * used by mhn to filter and display the message headers of
 245  * MIME messages.  It is used by repl/forw (with -filter)
 246  * to filter the message to which you are replying/forwarding.
 247  * It is used by send/post (with -filter) to filter the message
 248  * for "Bcc:" recipients.
 249  */
 250
 251 char *mhlproc = nmhlibdir (/mhl);
 252
 253 /*
 254  * This is the super handy BBoard reading program, which is
 255  * really just the nmh shell program.
 256  */
 257
 258 char *mshproc = nmhbindir (/msh);
 259
 260 /*
 261  * This program is called to pack a folder.
 262  */
 263
 264 char *packproc = nmhbindir (/packf);
 265
 266 /*
 267  * This is the delivery program called by send to actually
 268  * deliver mail to users.  This is the interface to the MTS.
 269  */
 270
 271 char *postproc = nmhlibdir (/post);
 272
 273 /*
 274  * This is program is called by slocal to handle
 275  * the action `folder' or `+'.
 276  */
 277
 278 char *rcvstoreproc = nmhlibdir (/rcvstore);
 279
 280 /*
 281  * This program is called to remove a folder.
 282  */
 283
 284 char *rmfproc = nmhbindir (/rmf);
 285
 286 /*
 287  * This program is called to remove a message by rmm or refile -nolink.
 288  * It's usually empty, which means to rename the file to a backup name.
 289  */
 290
 291 char *rmmproc = NULL;
 292
 293 /*
 294  * This program is usually called by the user's whatnowproc, but it
 295  * may also be called directly to send a message previously composed.
 296  */
 297
 298 char *sendproc = nmhbindir (/send);
 299
 300 /*
 301  * This is the path to the program used by "show"
 302  * to display non-text (MIME) messages.
 303  */
 304
 305 char *showmimeproc = nmhbindir (/mhshow);
 306
 307 /*
 308  * This is the default program called by "show" to filter
 309  * and display standard text (non-MIME) messages.  It can be
 310  * changed to a pager (such as "more" or "less") if you prefer
 311  * that such message not be filtered in any way.
 312  */
 313
 314 char *showproc = nmhlibdir (/mhl);
 315
 316 /*
 317  * This program is called by vmh as the back-end to the window management
 318  * protocol
 319  */
 320
 321 char *vmhproc = nmhbindir (/msh);
 322
 323 /*
 324  * This program is called after comp, et. al., have built a draft
 325  */
 326
 327 char *whatnowproc = nmhbindir (/whatnow);
 328
 329 /*
 330  * This program is called to list/validate the addresses in a message.
 331  */
 332
 333 char *whomproc = nmhbindir (/whom);
 334
 335 /*
 336  * This is the editor invoked by the various message
 337  * composition programs.  It SHOULD be a full screen
 338  * editor, such as vi or emacs, but any editor will work.
 339  */
 340
 341 char *defaulteditor = DEFAULT_EDITOR;
 342
 343 /*
 344  * This is the global nmh alias file.  It is somewhat obsolete, since
 345  * global aliases should be handled by the Mail Transport Agent (MTA).
 346  */
 347
 348 char *AliasFile = nmhetcdir (/MailAliases);
 349
 350 /*
 351  * File protections
 352  */
 353
 354 /*
 355  * Folders (directories) are created with this protection (mode)
 356  */
 357
 358 char *foldprot = DEFAULT_FOLDER_MODE;
 359
 360 /*
 361  * Every NEW message will be created with this protection.  When a
 362  * message is filed it retains its protection, so this only applies
 363  * to messages coming in through inc.
 364  */
 365
 366 char *msgprot = DEFAULT_MESSAGE_MODE;
 367