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 #include <pwd.h>
  13
  14 #define nmhbindir(file) NMHBINDIR#file
  15 #define nmhetcdir(file) NMHETCDIR#file
  16 #define nmhlibdir(file) NMHLIBDIR#file
  17
  18
  19 /*
  20  * Find the location of a format or configuration
  21  * file, and return its absolute pathname.
  22  *
  23  * 1) If already absolute pathname, then leave unchanged.
  24  * 2) Next, if it begins with ~user, then expand it.
  25  * 3) Next, check in nmh Mail directory.
  26  * 4) Next, check in nmh `etc' directory.
  27  *
  28  */
  29
  30 char *
  31 etcpath (char *file)
  32 {
  33     static char epath[PATH_MAX];
  34     char *cp;
  35     char *pp;
  36     struct passwd *pw;
  37
  38     context_read();
  39
  40     switch (*file) {
  41         case '/':
  42             /* If already absolute pathname, return it */
  43             return file;
  44
  45         case '~':
  46             /* Expand ~username */
  47             if ((cp = strchr(pp = file + 1, '/')))
  48                 *cp++ = '\0';
  49             if (*pp == '\0') {
  50                 pp = mypath;
  51             } else {
  52                 if ((pw = getpwnam (pp)))
  53                     pp = pw->pw_dir;
  54                 else {
  55                     if (cp)
  56                         *--cp = '/';
  57                     goto try_it;
  58                 }
  59             }
  60
  61             snprintf (epath, sizeof(epath), "%s/%s", pp, cp ? cp : "");
  62             if (cp)
  63                 *--cp = '/';
  64
  65             if (access (epath, R_OK) != NOTOK)
  66                 return epath;   /* else fall */
  67 try_it:
  68
  69         default:
  70             /* Check nmh Mail directory */
  71             if (access ((cp = m_mailpath (file)), R_OK) != NOTOK)
  72                 return cp;
  73     }
  74
  75     /* Check nmh `etc' directory */
  76     snprintf (epath, sizeof(epath), nmhetcdir(/%s), file);
  77     return (access (epath, R_OK) != NOTOK ? epath : file);
  78 }
  79
  80
  81 /*
  82  * Standard yes/no switches structure
  83  */
  84
  85 struct swit anoyes[] = {
  86     { "no", 0 },
  87     { "yes", 0 },
  88     { NULL, 0 }
  89 };
  90
  91 /*
  92  * nmh constants
  93  */
  94
  95 /* initial profile for new users */
  96 char *mh_defaults = nmhetcdir (/mh.profile);
  97
  98 /* default name of user profile */
  99 char *mh_profile = ".mh_profile";
 100
 101 /* name of current message "sequence" */
 102 char *current = "cur";
 103
 104 /* standard component files */
 105 char *components = "components";                /* comp         */
 106 char *replcomps = "replcomps";                  /* repl         */
 107 char *replgroupcomps = "replgroupcomps";        /* repl -group  */
 108 char *forwcomps = "forwcomps";                  /* forw         */
 109 char *distcomps = "distcomps";                  /* dist         */
 110 char *rcvdistcomps = "rcvdistcomps";            /* rcvdist      */
 111 char *digestcomps = "digestcomps";              /* forw -digest */
 112
 113 /* standard format (filter) files */
 114 char *mhlformat = "mhl.format";                 /* show         */
 115 char *mhlreply = "mhl.reply";                   /* repl -filter */
 116 char *mhlforward = "mhl.forward";               /* forw -filter */
 117
 118 char *draft = "draft";
 119
 120 char *inbox = "Inbox";
 121 char *defaultfolder = "inbox";
 122
 123 char *pfolder = "Current-Folder";
 124 char *usequence = "Unseen-Sequence";
 125 char *psequence = "Previous-Sequence";
 126 char *nsequence = "Sequence-Negation";
 127
 128 /* profile entries for storage locations */
 129 char *nmhstorage = "nmh-storage";
 130 char *nmhcache = "nmh-cache";
 131 char *nmhprivcache = "nmh-private-cache";
 132
 133 /* profile entry for external ftp access command */
 134 char *nmhaccessftp = "nmh-access-ftp";
 135
 136 char *mhlibdir = NMHLIBDIR;
 137 char *mhetcdir = NMHETCDIR;
 138
 139 /*
 140  * nmh not-so constants
 141  */
 142
 143 /*
 144  * Default name for the nmh context file.
 145  */
 146 char *context = "context";
 147
 148 /*
 149  * Default name of file for public sequences.  If NULL,
 150  * then nmh will use private sequences by default, unless the
 151  * user defines a value using the "mh-sequences" profile entry.
 152  */
 153 #ifdef NOPUBLICSEQ
 154 char *mh_seq = NULL;
 155 #else
 156 char *mh_seq = ".mh_sequences";
 157 #endif
 158
 159 /*
 160  * nmh globals
 161  */
 162
 163 char ctxflags;          /* status of user's context   */
 164 char *invo_name;        /* command invocation name    */
 165 char *mypath;           /* user's $HOME               */
 166 char *defpath;          /* pathname of user's profile */
 167 char *ctxpath;          /* pathname of user's context */
 168 struct node *m_defs;    /* profile/context structure  */
 169
 170 /*
 171  * nmh processes
 172  */
 173
 174 /*
 175  * This is the program to process MIME composition files
 176  */
 177 char *buildmimeproc = nmhbindir (/mhbuild);
 178 /*
 179  * This is the program to `cat' a file.
 180  */
 181 char *catproc = "/bin/cat";
 182
 183 /*
 184  * mhl runs this program as a visual-end.
 185  */
 186
 187 char *faceproc = NULL;
 188
 189 /*
 190  * This program is usually called directly by users, but it is
 191  * also invoked by the post program to process an "Fcc", or by
 192  * comp/repl/forw/dist to refile a draft message.
 193  */
 194
 195 char *fileproc = nmhbindir (/refile);
 196
 197 /*
 198  * This program is used to optionally format the bodies of messages by
 199  * "mhl".
 200  */
 201
 202 char *formatproc = NULL;
 203
 204 /*
 205  * This program is called to incorporate messages into a folder.
 206  */
 207
 208 char *incproc = nmhbindir (/inc);
 209
 210 /*
 211  * When a user runs an nmh program for the first time, this program
 212  * is called to create his nmh profile, and mail directory.
 213  */
 214
 215 char *installproc = nmhlibdir (/install-mh);
 216
 217 /*
 218  * This is the default program invoked by a "list" response
 219  * at the "What now?" prompt.  It is also used by the draft
 220  * folder facility in comp/dist/forw/repl to display the
 221  * draft message.
 222  */
 223
 224 char *lproc = DEFAULT_PAGER;
 225
 226 /*
 227  * This is the path for the Bell equivalent mail program.
 228  */
 229
 230 char *mailproc = nmhbindir (/mhmail);
 231
 232 /*
 233  * This is used by mhl as a front-end.  It is also used
 234  * by mhn as the default method of displaying message bodies
 235  * or message parts of type text/plain.
 236  */
 237
 238 char *moreproc = DEFAULT_PAGER;
 239
 240 /*
 241  * This is the program (mhl) used to filter messages.  It is
 242  * used by mhn to filter and display the message headers of
 243  * MIME messages.  It is used by repl/forw (with -filter)
 244  * to filter the message to which you are replying/forwarding.
 245  * It is used by send/post (with -filter) to filter the message
 246  * for "Bcc:" recipients.
 247  */
 248
 249 char *mhlproc = nmhlibdir (/mhl);
 250
 251 /*
 252  * This is the super handy BBoard reading program, which is
 253  * really just the nmh shell program.
 254  */
 255
 256 char *mshproc = nmhbindir (/msh);
 257
 258 /*
 259  * This program is called to pack a folder.
 260  */
 261
 262 char *packproc = nmhbindir (/packf);
 263
 264 /*
 265  * This is the delivery program called by send to actually
 266  * deliver mail to users.  This is the interface to the MTS.
 267  */
 268
 269 char *postproc = nmhlibdir (/post);
 270
 271 /*
 272  * This is program is called by slocal to handle
 273  * the action `folder' or `+'.
 274  */
 275
 276 char *rcvstoreproc = nmhlibdir (/rcvstore);
 277
 278 /*
 279  * This program is called to remove a folder.
 280  */
 281
 282 char *rmfproc = nmhbindir (/rmf);
 283
 284 /*
 285  * This program is called to remove a message by rmm or refile -nolink.
 286  * It's usually empty, which means to rename the file to a backup name.
 287  */
 288
 289 char *rmmproc = NULL;
 290
 291 /*
 292  * This program is usually called by the user's whatnowproc, but it
 293  * may also be called directly to send a message previously composed.
 294  */
 295
 296 char *sendproc = nmhbindir (/send);
 297
 298 /*
 299  * This is the path to the program used by "show"
 300  * to display non-text (MIME) messages.
 301  */
 302
 303 char *showmimeproc = nmhbindir (/mhshow);
 304
 305 /*
 306  * This is the default program called by "show" to filter
 307  * and display standard text (non-MIME) messages.  It can be
 308  * changed to a pager (such as "more" or "less") if you prefer
 309  * that such message not be filtered in any way.
 310  */
 311
 312 char *showproc = nmhlibdir (/mhl);
 313
 314 /*
 315  * This program is called by vmh as the back-end to the window management
 316  * protocol
 317  */
 318
 319 char *vmhproc = nmhbindir (/msh);
 320
 321 /*
 322  * This program is called after comp, et. al., have built a draft
 323  */
 324
 325 char *whatnowproc = nmhbindir (/whatnow);
 326
 327 /*
 328  * This program is called to list/validate the addresses in a message.
 329  */
 330
 331 char *whomproc = nmhbindir (/whom);
 332
 333 /*
 334  * This is the editor invoked by the various message
 335  * composition programs.  It SHOULD be a full screen
 336  * editor, such as vi or emacs, but any editor will work.
 337  */
 338
 339 char *defaulteditor = DEFAULT_EDITOR;
 340
 341 /*
 342  * This is the global nmh alias file.  It is somewhat obsolete, since
 343  * global aliases should be handled by the Mail Transport Agent (MTA).
 344  */
 345
 346 char *AliasFile = nmhetcdir (/MailAliases);
 347
 348 /*
 349  * File protections
 350  */
 351
 352 /*
 353  * Folders (directories) are created with this protection (mode)
 354  */
 355
 356 char *foldprot = "700";
 357
 358 /*
 359  * Every NEW message will be created with this protection.  When a
 360  * message is filed it retains its protection, so this only applies
 361  * to messages coming in through inc.
 362  */
 363
 364 char *msgprot = "600";
 365