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/context_read.h"
  10 #include "sbr/m_maildir.h"
  11 #include <pwd.h>
  12
  13 #define nmhbindir(file) NMHBINDIR#file
  14 #define nmhlibexecdir(file) NMHLIBEXECDIR#file
  15 #define nmhetcdir(file) NMHETCDIR#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  * Does not return NULL.
  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, FENDNULL(cp));
  62             if (cp)
  63                 *--cp = '/';
  64
  65             if (access (epath, R_OK) != NOTOK)
  66                 return epath;
  67
  68             /* FALLTHRU */
  69 try_it:
  70         default:
  71             /* Check nmh Mail directory */
  72             if (access ((cp = m_mailpath (file)), R_OK) != NOTOK) {
  73                 /* Will leak because caller doesn't know cp was
  74                    dynamically allocated. */
  75                 return cp;
  76             }
  77             free (cp);
  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 /* if set to 1, do not check permissions on credentials file */
 110 int credentials_no_perm_check = 0;
 111
 112 /* name of current message "sequence" */
 113 char *current = "cur";
 114
 115 /* standard component files */
 116 char *components = "components";                /* comp         */
 117 char *replcomps = "replcomps";                  /* repl         */
 118 char *replgroupcomps = "replgroupcomps";        /* repl -group  */
 119 char *forwcomps = "forwcomps";                  /* forw         */
 120 char *distcomps = "distcomps";                  /* dist         */
 121 char *rcvdistcomps = "rcvdistcomps";            /* rcvdist      */
 122 char *digestcomps = "digestcomps";              /* forw -digest */
 123
 124 /* standard format (filter) files */
 125 char *mhlformat = "mhl.format";                 /* show         */
 126 char *mhlreply = "mhl.reply";                   /* repl -filter */
 127 char *mhlforward = "mhl.forward";               /* forw -filter */
 128
 129 char *draft = "draft";
 130
 131 char *inbox = "Inbox";
 132 char *defaultfolder = "inbox";
 133
 134 char *pfolder = "Current-Folder";
 135 char *usequence = "Unseen-Sequence";
 136 char *psequence = "Previous-Sequence";
 137 char *nsequence = "Sequence-Negation";
 138
 139 /* profile entries for storage locations */
 140 char *nmhstorage = "nmh-storage";
 141 char *nmhcache = "nmh-cache";
 142 char *nmhprivcache = "nmh-private-cache";
 143
 144 /* profile entry for external ftp access command */
 145 char *nmhaccessftp = "nmh-access-ftp";
 146
 147 /* profile entry for external url access command */
 148 char *nmhaccessurl = "nmh-access-url";
 149
 150 char *mhbindir = NMHBINDIR;
 151 char *mhlibexecdir = NMHLIBEXECDIR;
 152 char *mhetcdir = NMHETCDIR;
 153 char *mhdocdir = NMHDOCDIR;
 154
 155 /*
 156  * nmh not-so constants
 157  */
 158
 159 /*
 160  * Default name for the nmh context file.
 161  */
 162 char *context = "context";
 163
 164 /*
 165  * Default name of file for public sequences.  If "\0" (an empty
 166  * "mh-sequences" profile entry), then nmh will use private sequences by
 167  * default.
 168  */
 169 char *mh_seq = ".mh_sequences";
 170
 171 /*
 172  * nmh globals
 173  */
 174
 175 char ctxflags;          /* status of user's context   */
 176 char *invo_name;        /* command invocation name    */
 177 char *mypath;           /* user's $HOME               */
 178 char *defpath;          /* pathname of user's profile */
 179 char *ctxpath;          /* pathname of user's context */
 180 struct node *m_defs;    /* profile/context structure  */
 181
 182 /*
 183  * nmh processes
 184  */
 185
 186 /*
 187  * This is the program to process MIME composition files
 188  */
 189 char *buildmimeproc = nmhbindir (/mhbuild);
 190 /*
 191  * This is the program to `cat' a file.
 192  */
 193 char *catproc = "/bin/cat";
 194
 195 /*
 196  * This program is usually called directly by users, but it is
 197  * also invoked by the post program to process an "Fcc", or by
 198  * comp/repl/forw/dist to refile a draft message.
 199  */
 200
 201 char *fileproc = nmhbindir (/refile);
 202
 203 /*
 204  * This program is used to optionally format the bodies of messages by
 205  * "mhl".
 206  */
 207
 208 char *formatproc = NULL;
 209
 210 /*
 211  * This program is called to incorporate messages into a folder.
 212  */
 213
 214 char *incproc = nmhbindir (/inc);
 215
 216 /*
 217  * This is the default program invoked by a "list" response
 218  * at the "What now?" prompt.  It is also used by the draft
 219  * folder facility in comp/dist/forw/repl to display the
 220  * draft message.
 221  */
 222
 223 char *lproc = NULL;
 224
 225 /*
 226  * This is the path for the Bell equivalent mail program.
 227  */
 228
 229 char *mailproc = nmhbindir (/mhmail);
 230
 231 /*
 232  * This is used by mhl as a front-end.  It is also used
 233  * by mhn as the default method of displaying message bodies
 234  * or message parts of type text/plain.
 235  */
 236
 237 char *moreproc = NULL;
 238
 239 /*
 240  * This is the program (mhl) used to filter messages.  It is
 241  * used by mhn to filter and display the message headers of
 242  * MIME messages.  It is used by repl/forw (with -filter)
 243  * to filter the message to which you are replying/forwarding.
 244  * It is used by send/post (with -filter) to filter the message
 245  * for "Bcc:" recipients.
 246  */
 247
 248 char *mhlproc = nmhlibexecdir (/mhl);
 249
 250 /*
 251  * This program is called to pack a folder.
 252  */
 253
 254 char *packproc = nmhbindir (/packf);
 255
 256 /*
 257  * This is the delivery program called by send to actually
 258  * deliver mail to users.  This is the interface to the MTS.
 259  */
 260
 261 char *postproc = nmhlibexecdir (/post);
 262
 263 /*
 264  * This is program is called by slocal to handle
 265  * the action `folder' or `+'.
 266  */
 267
 268 char *rcvstoreproc = nmhlibexecdir (/rcvstore);
 269
 270 /*
 271  * This program is called to remove a message by rmm or refile -nolink.
 272  * It's usually empty, which means to rename the file to a backup name.
 273  */
 274
 275 char *rmmproc = NULL;
 276
 277 /*
 278  * This program is usually called by the user's whatnowproc, but it
 279  * may also be called directly to send a message previously composed.
 280  */
 281
 282 char *sendproc = nmhbindir (/send);
 283
 284 /*
 285  * This is the path to the program used by "show"
 286  * to display non-text (MIME) messages.
 287  */
 288
 289 char *showmimeproc = nmhbindir (/mhshow);
 290
 291 /*
 292  * This is the default program called by "show" to filter
 293  * and display standard text (non-MIME) messages.  It can be
 294  * changed to a pager (such as "more" or "less") if you prefer
 295  * that such message not be filtered in any way.
 296  */
 297
 298 char *showproc = nmhlibexecdir (/mhl);
 299
 300 /*
 301  * This program is called after comp, et. al., have built a draft
 302  */
 303
 304 char *whatnowproc = nmhbindir (/whatnow);
 305
 306 /*
 307  * This program is called to list/validate the addresses in a message.
 308  */
 309
 310 char *whomproc = nmhbindir (/whom);
 311
 312 /*
 313  * This is the global nmh alias file.  It is somewhat obsolete, since
 314  * global aliases should be handled by the Mail Transport Agent (MTA).
 315  */
 316
 317 char *AliasFile = nmhetcdir (/MailAliases);
 318
 319 /*
 320  * File protections
 321  */
 322
 323 /*
 324  * Folders (directories) are created with this protection (mode)
 325  */
 326
 327 char *foldprot = "700";
 328
 329 /*
 330  * Every NEW message will be created with this protection.  When a
 331  * message is filed it retains its protection, so this only applies
 332  * to messages coming in through inc.
 333  */
 334
 335 char *msgprot = "600";