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

   1
   2 /*
   3  * config.c -- master nmh configuration file
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13
  14 #ifdef MHRC
  15 # include <pwd.h>
  16 #endif
  17
  18 #define nmhbindir(file) NMHBINDIR#file
  19 #define nmhetcdir(file) NMHETCDIR#file
  20 #define nmhlibdir(file) NMHLIBDIR#file
  21
  22
  23 /*
  24  * Find the location of a format or configuration
  25  * file, and return its absolute pathname.
  26  *
  27  * 1) If already absolute pathname, then leave unchanged.
  28  * 2) Next, if it begins with ~user, then expand it.
  29  * 3) Next, check in nmh Mail directory.
  30  * 4) Next, check in nmh `etc' directory.
  31  *
  32  */
  33
  34 char *
  35 etcpath (char *file)
  36 {
  37     static char epath[PATH_MAX];
  38     char *cp;
  39 #ifdef MHRC
  40     char *pp;
  41     struct passwd *pw;
  42 #endif
  43
  44 #ifdef MHRC
  45     context_read();
  46 #endif
  47
  48     switch (*file) {
  49         case '/':
  50             /* If already absolute pathname, return it */
  51             return file;
  52
  53 #ifdef MHRC
  54         case '~':
  55             /* Expand ~username */
  56             if ((cp = strchr(pp = file + 1, '/')))
  57                 *cp++ = '\0';
  58             if (*pp == '\0') {
  59                 pp = mypath;
  60             } else {
  61                 if ((pw = getpwnam (pp)))
  62                     pp = pw->pw_dir;
  63                 else {
  64                     if (cp)
  65                         *--cp = '/';
  66                     goto try_it;
  67                 }
  68             }
  69
  70             snprintf (epath, sizeof(epath), "%s/%s", pp, cp ? cp : "");
  71             if (cp)
  72                 *--cp = '/';
  73
  74             if (access (epath, R_OK) != NOTOK)
  75                 return epath;   /* else fall */
  76 try_it:
  77 #endif /* MHRC */
  78
  79         default:
  80             /* Check nmh Mail directory */
  81             if (access ((cp = m_mailpath (file)), R_OK) != NOTOK)
  82                 return cp;
  83     }
  84
  85     /* Check nmh `etc' directory */
  86     snprintf (epath, sizeof(epath), nmhetcdir(/%s), file);
  87     return (access (epath, R_OK) != NOTOK ? epath : file);
  88 }
  89
  90
  91 /*
  92  * Standard yes/no switches structure
  93  */
  94
  95 struct swit anoyes[] = {
  96     { "no", 0 },
  97     { "yes", 0 },
  98     { NULL, 0 }
  99 };
 100
 101 /*
 102  * nmh constants
 103  */
 104
 105 /* initial profile for new users */
 106 char *mh_defaults = nmhetcdir (/mh.profile);
 107
 108 /* default name of user profile */
 109 char *mh_profile = ".mh_profile";
 110
 111 /* name of current message "sequence" */
 112 char *current = "cur";
 113
 114 /* standard component files */
 115 char *components = "components";                /* comp         */
 116 char *replcomps = "replcomps";                  /* repl         */
 117 char *replgroupcomps = "replgroupcomps";        /* repl -group  */
 118 char *forwcomps = "forwcomps";                  /* forw         */
 119 char *distcomps = "distcomps";                  /* dist         */
 120 char *rcvdistcomps = "rcvdistcomps";            /* rcvdist      */
 121 char *digestcomps = "digestcomps";              /* forw -digest */
 122
 123 /* standard format (filter) files */
 124 char *mhlformat = "mhl.format";                 /* show         */
 125 char *mhlreply = "mhl.reply";                   /* repl -filter */
 126 char *mhlforward = "mhl.forward";               /* forw -filter */
 127
 128 char *draft = "draft";
 129
 130 char *inbox = "Inbox";
 131 char *defaultfolder = "inbox";
 132
 133 char *pfolder = "Current-Folder";
 134 char *usequence = "Unseen-Sequence";
 135 char *psequence = "Previous-Sequence";
 136 char *nsequence = "Sequence-Negation";
 137
 138 /* profile entries for storage locations */
 139 char *nmhstorage = "nmh-storage";
 140 char *nmhcache = "nmh-cache";
 141 char *nmhprivcache = "nmh-private-cache";
 142
 143 /* profile entry for external ftp access command */
 144 char *nmhaccessftp = "nmh-access-ftp";
 145
 146 char *mhlibdir = NMHLIBDIR;
 147 char *mhetcdir = NMHETCDIR;
 148
 149 /*
 150  * nmh not-so constants
 151  */
 152
 153 /*
 154  * Default name for the nmh context file.
 155  */
 156 char *context = "context";
 157
 158 /*
 159  * Default name of file for public sequences.  If NULL,
 160  * then nmh will use private sequences by default, unless the
 161  * user defines a value using the "mh-sequences" profile entry.
 162  */
 163 #ifdef NOPUBLICSEQ
 164 char *mh_seq = NULL;
 165 #else
 166 char *mh_seq = ".mh_sequences";
 167 #endif
 168
 169 /*
 170  * nmh globals
 171  */
 172
 173 char ctxflags;          /* status of user's context   */
 174 char *invo_name;        /* command invocation name    */
 175 char *mypath;           /* user's $HOME               */
 176 char *defpath;          /* pathname of user's profile */
 177 char *ctxpath;          /* pathname of user's context */
 178 struct node *m_defs;    /* profile/context structure  */
 179
 180 /*
 181  * nmh processes
 182  */
 183
 184 /*
 185  * This is the program to process MIME composition files
 186  */
 187 char *buildmimeproc = nmhbindir (/mhbuild);
 188 /*
 189  * This is the program to `cat' a file.
 190  */
 191 char *catproc = "/bin/cat";
 192
 193 /*
 194  * mhl runs this program as a visual-end.
 195  */
 196
 197 char *faceproc = NULL;
 198
 199 /*
 200  * This program is usually called directly by users, but it is
 201  * also invoked by the post program to process an "Fcc", or by
 202  * comp/repl/forw/dist to refile a draft message.
 203  */
 204
 205 char *fileproc = nmhbindir (/refile);
 206
 207 /*
 208  * This program is called to incorporate messages into a folder.
 209  */
 210
 211 char *incproc = nmhbindir (/inc);
 212
 213 /*
 214  * When a user runs an nmh program for the first time, this program
 215  * is called to create his nmh profile, and mail directory.
 216  */
 217
 218 char *installproc = nmhlibdir (/install-mh);
 219
 220 /*
 221  * This is the default program invoked by a "list" response
 222  * at the "What now?" prompt.  It is also used by the draft
 223  * folder facility in comp/dist/forw/repl to display the
 224  * draft message.
 225  */
 226
 227 char *lproc = DEFAULT_PAGER;
 228
 229 /*
 230  * This is the path for the Bell equivalent mail program.
 231  */
 232
 233 char *mailproc = nmhbindir (/mhmail);
 234
 235 /*
 236  * This is used by mhl as a front-end.  It is also used
 237  * by mhn as the default method of displaying message bodies
 238  * or message parts of type text/plain.
 239  */
 240
 241 char *moreproc = DEFAULT_PAGER;
 242
 243 /*
 244  * This is the program (mhl) used to filter messages.  It is
 245  * used by mhn to filter and display the message headers of
 246  * MIME messages.  It is used by repl/forw (with -filter)
 247  * to filter the message to which you are replying/forwarding.
 248  * It is used by send/post (with -filter) to filter the message
 249  * for "Bcc:" recipients.
 250  */
 251
 252 char *mhlproc = nmhlibdir (/mhl);
 253
 254 /*
 255  * This is the super handy BBoard reading program, which is
 256  * really just the nmh shell program.
 257  */
 258
 259 char *mshproc = nmhbindir (/msh);
 260
 261 /*
 262  * This program is called to pack a folder.
 263  */
 264
 265 char *packproc = nmhbindir (/packf);
 266
 267 /*
 268  * This is the delivery program called by send to actually
 269  * deliver mail to users.  This is the interface to the MTS.
 270  */
 271
 272 char *postproc = nmhlibdir (/post);
 273
 274 /*
 275  * This is program is called by slocal to handle
 276  * the action `folder' or `+'.
 277  */
 278
 279 char *rcvstoreproc = nmhlibdir (/rcvstore);
 280
 281 /*
 282  * This program is called to remove a folder.
 283  */
 284
 285 char *rmfproc = nmhbindir (/rmf);
 286
 287 /*
 288  * This program is called to remove a message by rmm or refile -nolink.
 289  * It's usually empty, which means to rename the file to a backup name.
 290  */
 291
 292 char *rmmproc = NULL;
 293
 294 /*
 295  * This program is usually called by the user's whatnowproc, but it
 296  * may also be called directly to send a message previously composed.
 297  */
 298
 299 char *sendproc = nmhbindir (/send);
 300
 301 /*
 302  * This is the path to the program used by "show"
 303  * to display non-text (MIME) messages.
 304  */
 305
 306 char *showmimeproc = nmhbindir (/mhshow);
 307
 308 /*
 309  * This is the default program called by "show" to filter
 310  * and display standard text (non-MIME) messages.  It can be
 311  * changed to a pager (such as "more" or "less") if you prefer
 312  * that such message not be filtered in any way.
 313  */
 314
 315 char *showproc = nmhlibdir (/mhl);
 316
 317 /*
 318  * This program is called by vmh as the back-end to the window management
 319  * protocol
 320  */
 321
 322 char *vmhproc = nmhbindir (/msh);
 323
 324 /*
 325  * This program is called after comp, et. al., have built a draft
 326  */
 327
 328 char *whatnowproc = nmhbindir (/whatnow);
 329
 330 /*
 331  * This program is called to list/validate the addresses in a message.
 332  */
 333
 334 char *whomproc = nmhbindir (/whom);
 335
 336 /*
 337  * This is the editor invoked by the various message
 338  * composition programs.  It SHOULD be a full screen
 339  * editor, such as vi or emacs, but any editor will work.
 340  */
 341
 342 char *defaulteditor = DEFAULT_EDITOR;
 343
 344 /*
 345  * This is the global nmh alias file.  It is somewhat obsolete, since
 346  * global aliases should be handled by the Mail Transport Agent (MTA).
 347  */
 348
 349 char *AliasFile = nmhetcdir (/MailAliases);
 350
 351 /*
 352  * File protections
 353  */
 354
 355 /*
 356  * Folders (directories) are created with this protection (mode)
 357  */
 358
 359 char *foldprot = DEFAULT_FOLDER_MODE;
 360
 361 /*
 362  * Every NEW message will be created with this protection.  When a
 363  * message is filed it retains its protection, so this only applies
 364  * to messages coming in through inc.
 365  */
 366
 367 char *msgprot = DEFAULT_MESSAGE_MODE;
 368