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 *mhbindir = NMHBINDIR;
 147 char *mhetcdir = NMHETCDIR;
 148 char *mhlibexecdir = NMHLIBEXECDIR;
 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 "\0" (an empty
 161  * "mh-sequences" profile entry), then nmh will use private sequences by
 162  * default.
 163  */
 164 char *mh_seq = ".mh_sequences";
 165
 166 /*
 167  * nmh globals
 168  */
 169
 170 char ctxflags;          /* status of user's context   */
 171 char *invo_name;        /* command invocation name    */
 172 char *mypath;           /* user's $HOME               */
 173 char *defpath;          /* pathname of user's profile */
 174 char *ctxpath;          /* pathname of user's context */
 175 struct node *m_defs;    /* profile/context structure  */
 176
 177 /*
 178  * nmh processes
 179  */
 180
 181 /*
 182  * This is the program to process MIME composition files
 183  */
 184 char *buildmimeproc = nmhbindir (/mhbuild);
 185 /*
 186  * This is the program to `cat' a file.
 187  */
 188 char *catproc = "/bin/cat";
 189
 190 /*
 191  * This program is usually called directly by users, but it is
 192  * also invoked by the post program to process an "Fcc", or by
 193  * comp/repl/forw/dist to refile a draft message.
 194  */
 195
 196 char *fileproc = nmhbindir (/refile);
 197
 198 /*
 199  * This program is used to optionally format the bodies of messages by
 200  * "mhl".
 201  */
 202
 203 char *formatproc = NULL;
 204
 205 /*
 206  * This program is called to incorporate messages into a folder.
 207  */
 208
 209 char *incproc = nmhbindir (/inc);
 210
 211 /*
 212  * This is the default program invoked by a "list" response
 213  * at the "What now?" prompt.  It is also used by the draft
 214  * folder facility in comp/dist/forw/repl to display the
 215  * draft message.
 216  */
 217
 218 char *lproc = NULL;
 219
 220 /*
 221  * This is the path for the Bell equivalent mail program.
 222  */
 223
 224 char *mailproc = nmhbindir (/mhmail);
 225
 226 /*
 227  * This is used by mhl as a front-end.  It is also used
 228  * by mhn as the default method of displaying message bodies
 229  * or message parts of type text/plain.
 230  */
 231
 232 char *moreproc = NULL;
 233
 234 /*
 235  * This is the program (mhl) used to filter messages.  It is
 236  * used by mhn to filter and display the message headers of
 237  * MIME messages.  It is used by repl/forw (with -filter)
 238  * to filter the message to which you are replying/forwarding.
 239  * It is used by send/post (with -filter) to filter the message
 240  * for "Bcc:" recipients.
 241  */
 242
 243 char *mhlproc = nmhlibexecdir (/mhl);
 244
 245 /*
 246  * This is the super handy BBoard reading program, which is
 247  * really just the nmh shell program.
 248  */
 249
 250 char *mshproc = nmhbindir (/msh);
 251
 252 /*
 253  * This program is called to pack a folder.
 254  */
 255
 256 char *packproc = nmhbindir (/packf);
 257
 258 /*
 259  * This is the delivery program called by send to actually
 260  * deliver mail to users.  This is the interface to the MTS.
 261  */
 262
 263 char *postproc = nmhlibexecdir (/post);
 264
 265 /*
 266  * This is program is called by slocal to handle
 267  * the action `folder' or `+'.
 268  */
 269
 270 char *rcvstoreproc = nmhlibexecdir (/rcvstore);
 271
 272 /*
 273  * This program is called to remove a message by rmm or refile -nolink.
 274  * It's usually empty, which means to rename the file to a backup name.
 275  */
 276
 277 char *rmmproc = NULL;
 278
 279 /*
 280  * This program is usually called by the user's whatnowproc, but it
 281  * may also be called directly to send a message previously composed.
 282  */
 283
 284 char *sendproc = nmhbindir (/send);
 285
 286 /*
 287  * This is the path to the program used by "show"
 288  * to display non-text (MIME) messages.
 289  */
 290
 291 char *showmimeproc = nmhbindir (/mhshow);
 292
 293 /*
 294  * This is the default program called by "show" to filter
 295  * and display standard text (non-MIME) messages.  It can be
 296  * changed to a pager (such as "more" or "less") if you prefer
 297  * that such message not be filtered in any way.
 298  */
 299
 300 char *showproc = nmhlibexecdir (/mhl);
 301
 302 /*
 303  * This program is called by vmh as the back-end to the window management
 304  * protocol
 305  */
 306
 307 char *vmhproc = nmhbindir (/msh);
 308
 309 /*
 310  * This program is called after comp, et. al., have built a draft
 311  */
 312
 313 char *whatnowproc = nmhbindir (/whatnow);
 314
 315 /*
 316  * This program is called to list/validate the addresses in a message.
 317  */
 318
 319 char *whomproc = nmhbindir (/whom);
 320
 321 /*
 322  * This is the global nmh alias file.  It is somewhat obsolete, since
 323  * global aliases should be handled by the Mail Transport Agent (MTA).
 324  */
 325
 326 char *AliasFile = nmhetcdir (/MailAliases);
 327
 328 /*
 329  * File protections
 330  */
 331
 332 /*
 333  * Folders (directories) are created with this protection (mode)
 334  */
 335
 336 char *foldprot = "700";
 337
 338 /*
 339  * Every NEW message will be created with this protection.  When a
 340  * message is filed it retains its protection, so this only applies
 341  * to messages coming in through inc.
 342  */
 343
 344 char *msgprot = "600";
 345