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