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 <pwd.h>
  12
  13 #define nmhbindir(file) NMHBINDIR#file
  14 #define nmhetcdir(file) NMHETCDIR#file
  15 #define nmhlibexecdir(file) NMHLIBEXECDIR#file
  16
  17
  18 /*
  19  * Find the location of a format or configuration
  20  * file, and return its absolute pathname.
  21  *
  22  * 1) If already absolute pathname, then leave unchanged.
  23  * 2) Next, if it begins with ~user, then expand it.
  24  * 3) Next, check in nmh Mail directory.
  25  * 4) Next, check in nmh `etc' directory.
  26  *
  27  */
  28
  29 char *
  30 etcpath (char *file)
  31 {
  32     static char epath[PATH_MAX];
  33     char *cp;
  34     char *pp;
  35     struct passwd *pw;
  36
  37     context_read();
  38
  39     switch (*file) {
  40         case '/':
  41             /* If already absolute pathname, return it */
  42             return file;
  43
  44         case '~':
  45             /* Expand ~username */
  46             if ((cp = strchr(pp = file + 1, '/')))
  47                 *cp++ = '\0';
  48             if (*pp == '\0') {
  49                 pp = mypath;
  50             } else {
  51                 if ((pw = getpwnam (pp)))
  52                     pp = pw->pw_dir;
  53                 else {
  54                     if (cp)
  55                         *--cp = '/';
  56                     goto try_it;
  57                 }
  58             }
  59
  60             snprintf (epath, sizeof(epath), "%s/%s", pp, cp ? cp : "");
  61             if (cp)
  62                 *--cp = '/';
  63
  64             if (access (epath, R_OK) != NOTOK)
  65                 return epath;   /* else fall */
  66 try_it:
  67
  68         default:
  69             /* Check nmh Mail directory */
  70             if (access ((cp = m_mailpath (file)), R_OK) != NOTOK) {
  71                 /* Will leak because caller doesn't know cp was
  72                    dynamically allocated. */
  73                 return cp;
  74             } else {
  75                 free (cp);
  76             }
  77     }
  78
  79     /* Check nmh `etc' directory */
  80     snprintf (epath, sizeof(epath), nmhetcdir(/%s), file);
  81     return (access (epath, R_OK) != NOTOK ? epath : file);
  82 }
  83
  84
  85 /*
  86  * Standard yes/no switches structure
  87  */
  88
  89 struct swit anoyes[] = {
  90     { "no", 0, 0 },
  91     { "yes", 0, 1 },
  92     { NULL, 0, 0 }
  93 };
  94
  95 /*
  96  * nmh constants
  97  */
  98
  99 /* initial profile for new users */
 100 char *mh_defaults = nmhetcdir (/mh.profile);
 101
 102 /* default name of user profile */
 103 char *mh_profile = ".mh_profile";
 104
 105 /* name of credentials file, defaults to .netrc in either Path or $HOME. */
 106 char *credentials_file;
 107
 108 /* name of current message "sequence" */
 109 char *current = "cur";
 110
 111 /* standard component files */
 112 char *components = "components";                /* comp         */
 113 char *replcomps = "replcomps";                  /* repl         */
 114 char *replgroupcomps = "replgroupcomps";        /* repl -group  */
 115 char *forwcomps = "forwcomps";                  /* forw         */
 116 char *distcomps = "distcomps";                  /* dist         */
 117 char *rcvdistcomps = "rcvdistcomps";            /* rcvdist      */
 118 char *digestcomps = "digestcomps";              /* forw -digest */
 119
 120 /* standard format (filter) files */
 121 char *mhlformat = "mhl.format";                 /* show         */
 122 char *mhlreply = "mhl.reply";                   /* repl -filter */
 123 char *mhlforward = "mhl.forward";               /* forw -filter */
 124
 125 char *draft = "draft";
 126
 127 char *inbox = "Inbox";
 128 char *defaultfolder = "inbox";
 129
 130 char *pfolder = "Current-Folder";
 131 char *usequence = "Unseen-Sequence";
 132 char *psequence = "Previous-Sequence";
 133 char *nsequence = "Sequence-Negation";
 134
 135 /* profile entries for storage locations */
 136 char *nmhstorage = "nmh-storage";
 137 char *nmhcache = "nmh-cache";
 138 char *nmhprivcache = "nmh-private-cache";
 139
 140 /* profile entry for external ftp access command */
 141 char *nmhaccessftp = "nmh-access-ftp";
 142
 143 /* profile entry for external url access command */
 144 char *nmhaccessurl = "nmh-access-url";
 145
 146 char *mhlibexecdir = NMHLIBEXECDIR;
 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 "\0" (an empty
 160  * "mh-sequences" profile entry), then nmh will use private sequences by
 161  * default.
 162  */
 163 char *mh_seq = ".mh_sequences";
 164
 165 /*
 166  * nmh globals
 167  */
 168
 169 char ctxflags;          /* status of user's context   */
 170 char *invo_name;        /* command invocation name    */
 171 char *mypath;           /* user's $HOME               */
 172 char *defpath;          /* pathname of user's profile */
 173 char *ctxpath;          /* pathname of user's context */
 174 struct node *m_defs;    /* profile/context structure  */
 175
 176 /*
 177  * nmh processes
 178  */
 179
 180 /*
 181  * This is the program to process MIME composition files
 182  */
 183 char *buildmimeproc = nmhbindir (/mhbuild);
 184 /*
 185  * This is the program to `cat' a file.
 186  */
 187 char *catproc = "/bin/cat";
 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  * This is the default program invoked by a "list" response
 212  * at the "What now?" prompt.  It is also used by the draft
 213  * folder facility in comp/dist/forw/repl to display the
 214  * draft message.
 215  */
 216
 217 char *lproc = NULL;
 218
 219 /*
 220  * This is the path for the Bell equivalent mail program.
 221  */
 222
 223 char *mailproc = nmhbindir (/mhmail);
 224
 225 /*
 226  * This is used by mhl as a front-end.  It is also used
 227  * by mhn as the default method of displaying message bodies
 228  * or message parts of type text/plain.
 229  */
 230
 231 char *moreproc = NULL;
 232
 233 /*
 234  * This is the program (mhl) used to filter messages.  It is
 235  * used by mhn to filter and display the message headers of
 236  * MIME messages.  It is used by repl/forw (with -filter)
 237  * to filter the message to which you are replying/forwarding.
 238  * It is used by send/post (with -filter) to filter the message
 239  * for "Bcc:" recipients.
 240  */
 241
 242 char *mhlproc = nmhlibexecdir (/mhl);
 243
 244 /*
 245  * This is the super handy BBoard reading program, which is
 246  * really just the nmh shell program.
 247  */
 248
 249 char *mshproc = nmhbindir (/msh);
 250
 251 /*
 252  * This program is called to pack a folder.
 253  */
 254
 255 char *packproc = nmhbindir (/packf);
 256
 257 /*
 258  * This is the delivery program called by send to actually
 259  * deliver mail to users.  This is the interface to the MTS.
 260  */
 261
 262 char *postproc = nmhlibexecdir (/post);
 263
 264 /*
 265  * This is program is called by slocal to handle
 266  * the action `folder' or `+'.
 267  */
 268
 269 char *rcvstoreproc = nmhlibexecdir (/rcvstore);
 270
 271 /*
 272  * This program is called to remove a message by rmm or refile -nolink.
 273  * It's usually empty, which means to rename the file to a backup name.
 274  */
 275
 276 char *rmmproc = NULL;
 277
 278 /*
 279  * This program is usually called by the user's whatnowproc, but it
 280  * may also be called directly to send a message previously composed.
 281  */
 282
 283 char *sendproc = nmhbindir (/send);
 284
 285 /*
 286  * This is the path to the program used by "show"
 287  * to display non-text (MIME) messages.
 288  */
 289
 290 char *showmimeproc = nmhbindir (/mhshow);
 291
 292 /*
 293  * This is the default program called by "show" to filter
 294  * and display standard text (non-MIME) messages.  It can be
 295  * changed to a pager (such as "more" or "less") if you prefer
 296  * that such message not be filtered in any way.
 297  */
 298
 299 char *showproc = nmhlibexecdir (/mhl);
 300
 301 /*
 302  * This program is called by vmh as the back-end to the window management
 303  * protocol
 304  */
 305
 306 char *vmhproc = nmhbindir (/msh);
 307
 308 /*
 309  * This program is called after comp, et. al., have built a draft
 310  */
 311
 312 char *whatnowproc = nmhbindir (/whatnow);
 313
 314 /*
 315  * This program is called to list/validate the addresses in a message.
 316  */
 317
 318 char *whomproc = nmhbindir (/whom);
 319
 320 /*
 321  * This is the global nmh alias file.  It is somewhat obsolete, since
 322  * global aliases should be handled by the Mail Transport Agent (MTA).
 323  */
 324
 325 char *AliasFile = nmhetcdir (/MailAliases);
 326
 327 /*
 328  * File protections
 329  */
 330
 331 /*
 332  * Folders (directories) are created with this protection (mode)
 333  */
 334
 335 char *foldprot = "700";
 336
 337 /*
 338  * Every NEW message will be created with this protection.  When a
 339  * message is filed it retains its protection, so this only applies
 340  * to messages coming in through inc.
 341  */
 342
 343 char *msgprot = "600";
 344