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

   1 /* config.c -- master nmh configuration file
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include <h/mh.h>
   9 #include "../sbr/m_maildir.h"
  10 #include <pwd.h>
  11
  12 #define nmhbindir(file) NMHBINDIR#file
  13 #define nmhlibexecdir(file) NMHLIBEXECDIR#file
  14 #define nmhetcdir(file) NMHETCDIR#file
  15 #define nmhdocdir(file) NMHDOCDIR#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, FENDNULL(cp));
  61             if (cp)
  62                 *--cp = '/';
  63
  64             if (access (epath, R_OK) != NOTOK)
  65                 return epath;
  66
  67             /* FALLTHRU */
  68 try_it:
  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             }
  76             free (cp);
  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 /* if set to 1, do not check permissions on credentials file */
 109 int credentials_no_perm_check = 0;
 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 /* profile entry for external url access command */
 147 char *nmhaccessurl = "nmh-access-url";
 148
 149 char *mhbindir = NMHBINDIR;
 150 char *mhlibexecdir = NMHLIBEXECDIR;
 151 char *mhetcdir = NMHETCDIR;
 152 char *mhdocdir = NMHDOCDIR;
 153
 154 /*
 155  * nmh not-so constants
 156  */
 157
 158 /*
 159  * Default name for the nmh context file.
 160  */
 161 char *context = "context";
 162
 163 /*
 164  * Default name of file for public sequences.  If "\0" (an empty
 165  * "mh-sequences" profile entry), then nmh will use private sequences by
 166  * default.
 167  */
 168 char *mh_seq = ".mh_sequences";
 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 = nmhlibexecdir (/mhl);
 248
 249 /*
 250  * This program is called to pack a folder.
 251  */
 252
 253 char *packproc = nmhbindir (/packf);
 254
 255 /*
 256  * This is the delivery program called by send to actually
 257  * deliver mail to users.  This is the interface to the MTS.
 258  */
 259
 260 char *postproc = nmhlibexecdir (/post);
 261
 262 /*
 263  * This is program is called by slocal to handle
 264  * the action `folder' or `+'.
 265  */
 266
 267 char *rcvstoreproc = nmhlibexecdir (/rcvstore);
 268
 269 /*
 270  * This program is called to remove a message by rmm or refile -nolink.
 271  * It's usually empty, which means to rename the file to a backup name.
 272  */
 273
 274 char *rmmproc = NULL;
 275
 276 /*
 277  * This program is usually called by the user's whatnowproc, but it
 278  * may also be called directly to send a message previously composed.
 279  */
 280
 281 char *sendproc = nmhbindir (/send);
 282
 283 /*
 284  * This is the path to the program used by "show"
 285  * to display non-text (MIME) messages.
 286  */
 287
 288 char *showmimeproc = nmhbindir (/mhshow);
 289
 290 /*
 291  * This is the default program called by "show" to filter
 292  * and display standard text (non-MIME) messages.  It can be
 293  * changed to a pager (such as "more" or "less") if you prefer
 294  * that such message not be filtered in any way.
 295  */
 296
 297 char *showproc = nmhlibexecdir (/mhl);
 298
 299 /*
 300  * This program is called after comp, et. al., have built a draft
 301  */
 302
 303 char *whatnowproc = nmhbindir (/whatnow);
 304
 305 /*
 306  * This program is called to list/validate the addresses in a message.
 307  */
 308
 309 char *whomproc = nmhbindir (/whom);
 310
 311 /*
 312  * This is the global nmh alias file.  It is somewhat obsolete, since
 313  * global aliases should be handled by the Mail Transport Agent (MTA).
 314  */
 315
 316 char *AliasFile = nmhetcdir (/MailAliases);
 317
 318 /*
 319  * File protections
 320  */
 321
 322 /*
 323  * Folders (directories) are created with this protection (mode)
 324  */
 325
 326 char *foldprot = "700";
 327
 328 /*
 329  * Every NEW message will be created with this protection.  When a
 330  * message is filed it retains its protection, so this only applies
 331  * to messages coming in through inc.
 332  */
 333
 334 char *msgprot = "600";