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                 /* Will leak because caller doesn't know cp was
  73                    dynamically allocated. */
  74                 return cp;
  75             } else {
  76                 free (cp);
  77             }
  78     }
  79
  80     /* Check nmh `etc' directory */
  81     snprintf (epath, sizeof(epath), nmhetcdir(/%s), file);
  82     return (access (epath, R_OK) != NOTOK ? epath : file);
  83 }
  84
  85
  86 /*
  87  * Standard yes/no switches structure
  88  */
  89
  90 struct swit anoyes[] = {
  91     { "no", 0, 0 },
  92     { "yes", 0, 1 },
  93     { NULL, 0, 0 }
  94 };
  95
  96 /*
  97  * nmh constants
  98  */
  99
 100 /* initial profile for new users */
 101 char *mh_defaults = nmhetcdir (/mh.profile);
 102
 103 /* default name of user profile */
 104 char *mh_profile = ".mh_profile";
 105
 106 /* name of credentials file, defaults to .netrc in either Path or $HOME. */
 107 char *credentials_file;
 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 /* profile entry for external url access command */
 145 char *nmhaccessurl = "nmh-access-url";
 146
 147 char *mhlibdir = NMHLIBDIR;
 148 char *mhetcdir = NMHETCDIR;
 149
 150 /*
 151  * nmh not-so constants
 152  */
 153
 154 /*
 155  * Default name for the nmh context file.
 156  */
 157 char *context = "context";
 158
 159 /*
 160  * Default name of file for public sequences.  If NULL,
 161  * then nmh will use private sequences by default, unless the
 162  * user defines a value using the "mh-sequences" profile entry.
 163  */
 164 #ifdef NOPUBLICSEQ
 165 char *mh_seq = NULL;
 166 #else
 167 char *mh_seq = ".mh_sequences";
 168 #endif
 169
 170 /*
 171  * nmh globals
 172  */
 173
 174 char ctxflags;          /* status of user's context   */
 175 char *invo_name;        /* command invocation name    */
 176 char *mypath;           /* user's $HOME               */
 177 char *defpath;          /* pathname of user's profile */
 178 char *ctxpath;          /* pathname of user's context */
 179 struct node *m_defs;    /* profile/context structure  */
 180
 181 /*
 182  * nmh processes
 183  */
 184
 185 /*
 186  * This is the program to process MIME composition files
 187  */
 188 char *buildmimeproc = nmhbindir (/mhbuild);
 189 /*
 190  * This is the program to `cat' a file.
 191  */
 192 char *catproc = "/bin/cat";
 193
 194 /*
 195  * This program is usually called directly by users, but it is
 196  * also invoked by the post program to process an "Fcc", or by
 197  * comp/repl/forw/dist to refile a draft message.
 198  */
 199
 200 char *fileproc = nmhbindir (/refile);
 201
 202 /*
 203  * This program is used to optionally format the bodies of messages by
 204  * "mhl".
 205  */
 206
 207 char *formatproc = NULL;
 208
 209 /*
 210  * This program is called to incorporate messages into a folder.
 211  */
 212
 213 char *incproc = nmhbindir (/inc);
 214
 215 /*
 216  * This is the default program invoked by a "list" response
 217  * at the "What now?" prompt.  It is also used by the draft
 218  * folder facility in comp/dist/forw/repl to display the
 219  * draft message.
 220  */
 221
 222 char *lproc = NULL;
 223
 224 /*
 225  * This is the path for the Bell equivalent mail program.
 226  */
 227
 228 char *mailproc = nmhbindir (/mhmail);
 229
 230 /*
 231  * This is used by mhl as a front-end.  It is also used
 232  * by mhn as the default method of displaying message bodies
 233  * or message parts of type text/plain.
 234  */
 235
 236 char *moreproc = NULL;
 237
 238 /*
 239  * This is the program (mhl) used to filter messages.  It is
 240  * used by mhn to filter and display the message headers of
 241  * MIME messages.  It is used by repl/forw (with -filter)
 242  * to filter the message to which you are replying/forwarding.
 243  * It is used by send/post (with -filter) to filter the message
 244  * for "Bcc:" recipients.
 245  */
 246
 247 char *mhlproc = nmhlibdir (/mhl);
 248
 249 /*
 250  * This is the super handy BBoard reading program, which is
 251  * really just the nmh shell program.
 252  */
 253
 254 char *mshproc = nmhbindir (/msh);
 255
 256 /*
 257  * This program is called to pack a folder.
 258  */
 259
 260 char *packproc = nmhbindir (/packf);
 261
 262 /*
 263  * This is the delivery program called by send to actually
 264  * deliver mail to users.  This is the interface to the MTS.
 265  */
 266
 267 char *postproc = nmhlibdir (/post);
 268
 269 /*
 270  * This is program is called by slocal to handle
 271  * the action `folder' or `+'.
 272  */
 273
 274 char *rcvstoreproc = nmhlibdir (/rcvstore);
 275
 276 /*
 277  * This program is called to remove a message by rmm or refile -nolink.
 278  * It's usually empty, which means to rename the file to a backup name.
 279  */
 280
 281 char *rmmproc = NULL;
 282
 283 /*
 284  * This program is usually called by the user's whatnowproc, but it
 285  * may also be called directly to send a message previously composed.
 286  */
 287
 288 char *sendproc = nmhbindir (/send);
 289
 290 /*
 291  * This is the path to the program used by "show"
 292  * to display non-text (MIME) messages.
 293  */
 294
 295 char *showmimeproc = nmhbindir (/mhshow);
 296
 297 /*
 298  * This is the default program called by "show" to filter
 299  * and display standard text (non-MIME) messages.  It can be
 300  * changed to a pager (such as "more" or "less") if you prefer
 301  * that such message not be filtered in any way.
 302  */
 303
 304 char *showproc = nmhlibdir (/mhl);
 305
 306 /*
 307  * This program is called by vmh as the back-end to the window management
 308  * protocol
 309  */
 310
 311 char *vmhproc = nmhbindir (/msh);
 312
 313 /*
 314  * This program is called after comp, et. al., have built a draft
 315  */
 316
 317 char *whatnowproc = nmhbindir (/whatnow);
 318
 319 /*
 320  * This program is called to list/validate the addresses in a message.
 321  */
 322
 323 char *whomproc = nmhbindir (/whom);
 324
 325 /*
 326  * This is the global nmh alias file.  It is somewhat obsolete, since
 327  * global aliases should be handled by the Mail Transport Agent (MTA).
 328  */
 329
 330 char *AliasFile = nmhetcdir (/MailAliases);
 331
 332 /*
 333  * File protections
 334  */
 335
 336 /*
 337  * Folders (directories) are created with this protection (mode)
 338  */
 339
 340 char *foldprot = "700";
 341
 342 /*
 343  * Every NEW message will be created with this protection.  When a
 344  * message is filed it retains its protection, so this only applies
 345  * to messages coming in through inc.
 346  */
 347
 348 char *msgprot = "600";
 349