diplodocus.org Git - nmh/blob - uip/refile.c

   1
   2 /*
   3  * refile.c -- move or link message(s) from a source folder
   4  *          -- into one or more destination folders
   5  *
   6  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   7  * COPYRIGHT file in the root directory of the nmh distribution for
   8  * complete copyright information.
   9  */
  10
  11 #include <h/mh.h>
  12 #include <h/utils.h>
  13 #include <fcntl.h>
  14 #include <errno.h>
  15
  16 static struct swit switches[] = {
  17 #define DRAFTSW          0
  18     { "draft", 0 },
  19 #define LINKSW           1
  20     { "link", 0 },
  21 #define NLINKSW          2
  22     { "nolink", 0 },
  23 #define PRESSW           3
  24     { "preserve", 0 },
  25 #define NPRESSW          4
  26     { "nopreserve", 0 },
  27 #define UNLINKSW         5
  28     { "unlink", 0 },
  29 #define NUNLINKSW        6
  30     { "nounlink", 0 },
  31 #define SRCSW            7
  32     { "src +folder", 0 },
  33 #define FILESW           8
  34     { "file file", 0 },
  35 #define RPROCSW          9
  36     { "rmmproc program", 0 },
  37 #define NRPRCSW         10
  38     { "normmproc", 0 },
  39 #define VERSIONSW       11
  40     { "version", 0 },
  41 #define HELPSW          12
  42     { "help", 0 },
  43     { NULL, 0 }
  44 };
  45
  46 static char maildir[BUFSIZ];
  47
  48 struct st_fold {
  49     char *f_name;
  50     struct msgs *f_mp;
  51 };
  52
  53 /*
  54  * static prototypes
  55  */
  56 static void opnfolds (struct st_fold *, int);
  57 static void clsfolds (struct st_fold *, int);
  58 static void remove_files (int, char **);
  59 static int m_file (char *, struct st_fold *, int, int, int);
  60
  61
  62 int
  63 main (int argc, char **argv)
  64 {
  65     int linkf = 0, preserve = 0, filep = 0;
  66     int foldp = 0, isdf = 0, unlink_msgs = 0;
  67     int i, msgnum;
  68     char *cp, *folder = NULL, buf[BUFSIZ];
  69     char **argp, **arguments;
  70     char *filevec[NFOLDERS + 2];
  71     char **files = &filevec[1];    /* leave room for remove_files:vec[0] */
  72     struct st_fold folders[NFOLDERS + 1];
  73     struct msgs_array msgs = { 0, 0, NULL };
  74     struct msgs *mp;
  75
  76 #ifdef LOCALE
  77     setlocale(LC_ALL, "");
  78 #endif
  79     invo_name = r1bindex (argv[0], '/');
  80
  81     /* read user profile/context */
  82     context_read();
  83
  84     arguments = getarguments (invo_name, argc, argv, 1);
  85     argp = arguments;
  86
  87     /*
  88      * Parse arguments
  89      */
  90     while ((cp = *argp++)) {
  91         if (*cp == '-') {
  92             switch (smatch (++cp, switches)) {
  93             case AMBIGSW:
  94                 ambigsw (cp, switches);
  95                 done (1);
  96             case UNKWNSW:
  97                 adios (NULL, "-%s unknown\n", cp);
  98
  99             case HELPSW:
 100                 snprintf (buf, sizeof(buf), "%s [msgs] [switches] +folder ...",
 101                           invo_name);
 102                 print_help (buf, switches, 1);
 103                 done (1);
 104             case VERSIONSW:
 105                 print_version(invo_name);
 106                 done (1);
 107
 108             case LINKSW:
 109                 linkf++;
 110                 continue;
 111             case NLINKSW:
 112                 linkf = 0;
 113                 continue;
 114
 115             case PRESSW:
 116                 preserve++;
 117                 continue;
 118             case NPRESSW:
 119                 preserve = 0;
 120                 continue;
 121
 122             case UNLINKSW:
 123                 unlink_msgs++;
 124                 continue;
 125             case NUNLINKSW:
 126                 unlink_msgs = 0;
 127                 continue;
 128
 129             case SRCSW:
 130                 if (folder)
 131                     adios (NULL, "only one source folder at a time!");
 132                 if (!(cp = *argp++) || *cp == '-')
 133                     adios (NULL, "missing argument to %s", argp[-2]);
 134                 folder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
 135                                *cp != '@' ? TFOLDER : TSUBCWF);
 136                 continue;
 137             case DRAFTSW:
 138                 if (filep > NFOLDERS)
 139                     adios (NULL, "only %d files allowed!", NFOLDERS);
 140                 isdf = 0;
 141                 files[filep++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
 142                 continue;
 143             case FILESW:
 144                 if (filep > NFOLDERS)
 145                     adios (NULL, "only %d files allowed!", NFOLDERS);
 146                 if (!(cp = *argp++) || *cp == '-')
 147                     adios (NULL, "missing argument to %s", argp[-2]);
 148                 files[filep++] = path (cp, TFILE);
 149                 continue;
 150
 151             case RPROCSW:
 152                 if (!(rmmproc = *argp++) || *rmmproc == '-')
 153                     adios (NULL, "missing argument to %s", argp[-2]);
 154                 continue;
 155             case NRPRCSW:
 156                 rmmproc = NULL;
 157                 continue;
 158             }
 159         }
 160         if (*cp == '+' || *cp == '@') {
 161             if (foldp > NFOLDERS)
 162                 adios (NULL, "only %d folders allowed!", NFOLDERS);
 163             folders[foldp++].f_name =
 164                 pluspath (cp);
 165         } else
 166                 app_msgarg(&msgs, cp);
 167     }
 168
 169     if (!context_find ("path"))
 170         free (path ("./", TFOLDER));
 171     if (foldp == 0)
 172         adios (NULL, "no folder specified");
 173
 174 #ifdef WHATNOW
 175     if (!msgs.size && !foldp && !filep && (cp = getenv ("mhdraft")) && *cp)
 176         files[filep++] = cp;
 177 #endif /* WHATNOW */
 178
 179     /*
 180      * We are refiling a file to the folders
 181      */
 182     if (filep > 0) {
 183         if (folder || msgs.size)
 184             adios (NULL, "use -file or some messages, not both");
 185         opnfolds (folders, foldp);
 186         for (i = 0; i < filep; i++)
 187             if (m_file (files[i], folders, foldp, preserve, 0))
 188                 done (1);
 189         /* If -nolink, then "remove" files */
 190         if (!linkf)
 191             remove_files (filep, filevec);
 192         done (0);
 193     }
 194
 195     if (!msgs.size)
 196         app_msgarg(&msgs, "cur");
 197     if (!folder)
 198         folder = getfolder (1);
 199     strncpy (maildir, m_maildir (folder), sizeof(maildir));
 200
 201     if (chdir (maildir) == NOTOK)
 202         adios (maildir, "unable to change directory to");
 203
 204     /* read source folder and create message structure */
 205     if (!(mp = folder_read (folder)))
 206         adios (NULL, "unable to read folder %s", folder);
 207
 208     /* check for empty folder */
 209     if (mp->nummsg == 0)
 210         adios (NULL, "no messages in %s", folder);
 211
 212     /* parse the message range/sequence/name and set SELECTED */
 213     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 214         if (!m_convert (mp, msgs.msgs[msgnum]))
 215             done (1);
 216     seq_setprev (mp);   /* set the previous-sequence */
 217
 218     /* create folder structures for each destination folder */
 219     opnfolds (folders, foldp);
 220
 221     /* Link all the selected messages into destination folders.
 222      *
 223      * This causes the add hook to be run for messages that are
 224      * linked into another folder.  The refile hook is run for
 225      * messages that are moved to another folder.
 226      */
 227     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 228         if (is_selected (mp, msgnum)) {
 229             cp = getcpy (m_name (msgnum));
 230             if (m_file (cp, folders, foldp, preserve, !linkf))
 231                 done (1);
 232             free (cp);
 233         }
 234     }
 235
 236     /*
 237      * This is a hack.  If we are using an external rmmproc,
 238      * then save the current folder to the context file,
 239      * so the external rmmproc will remove files from the correct
 240      * directory.  This should be moved to folder_delmsgs().
 241      */
 242     if (rmmproc) {
 243         context_replace (pfolder, folder);
 244         context_save ();
 245         fflush (stdout);
 246     }
 247
 248     /* If -nolink, then "remove" messages from source folder.
 249      *
 250      * Note that folder_delmsgs does not call the delete hook
 251      * because the message has already been handled above.
 252      */
 253     if (!linkf) {
 254         folder_delmsgs (mp, unlink_msgs, 1);
 255     }
 256
 257     clsfolds (folders, foldp);
 258
 259     if (mp->hghsel != mp->curmsg
 260         && (mp->numsel != mp->nummsg || linkf))
 261         seq_setcur (mp, mp->hghsel);
 262     seq_save (mp);      /* synchronize message sequences */
 263
 264     context_replace (pfolder, folder);  /* update current folder   */
 265     context_save ();                    /* save the context file   */
 266     folder_free (mp);                   /* free folder structure   */
 267     done (0);
 268     return 1;
 269 }
 270
 271
 272 /*
 273  * Read all the destination folders and
 274  * create folder structures for all of them.
 275  */
 276
 277 static void
 278 opnfolds (struct st_fold *folders, int nfolders)
 279 {
 280     char nmaildir[BUFSIZ];
 281     register struct st_fold *fp, *ep;
 282     register struct msgs *mp;
 283
 284     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 285         chdir (m_maildir (""));
 286         strncpy (nmaildir, m_maildir (fp->f_name), sizeof(nmaildir));
 287
 288     create_folder (nmaildir, 0, done);
 289
 290         if (chdir (nmaildir) == NOTOK)
 291             adios (nmaildir, "unable to change directory to");
 292         if (!(mp = folder_read (fp->f_name)))
 293             adios (NULL, "unable to read folder %s", fp->f_name);
 294         mp->curmsg = 0;
 295
 296         fp->f_mp = mp;
 297
 298         chdir (maildir);
 299     }
 300 }
 301
 302
 303 /*
 304  * Set the Previous-Sequence and then sychronize the
 305  * sequence file, for each destination folder.
 306  */
 307
 308 static void
 309 clsfolds (struct st_fold *folders, int nfolders)
 310 {
 311     register struct st_fold *fp, *ep;
 312     register struct msgs *mp;
 313
 314     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 315         mp = fp->f_mp;
 316         seq_setprev (mp);
 317         seq_save (mp);
 318     }
 319 }
 320
 321
 322 /*
 323  * If you have a "rmmproc" defined, we called that
 324  * to remove all the specified files.  If "rmmproc"
 325  * is not defined, then just unlink the files.
 326  */
 327
 328 static void
 329 remove_files (int filep, char **files)
 330 {
 331     int i;
 332     char **vec;
 333
 334     /* If rmmproc is defined, we use that */
 335     if (rmmproc) {
 336         vec = files++;          /* vec[0] = filevec[0] */
 337         files[filep] = NULL;    /* NULL terminate list */
 338
 339         fflush (stdout);
 340         vec[0] = r1bindex (rmmproc, '/');
 341         execvp (rmmproc, vec);
 342         adios (rmmproc, "unable to exec");
 343     }
 344
 345     /* Else just unlink the files */
 346     files++;    /* advance past filevec[0] */
 347     for (i = 0; i < filep; i++) {
 348         if (unlink (files[i]) == NOTOK)
 349             admonish (files[i], "unable to unlink");
 350     }
 351 }
 352
 353
 354 /*
 355  * Link (or copy) the message into each of
 356  * the destination folders.
 357  */
 358
 359 static int
 360 m_file (char *msgfile, struct st_fold *folders, int nfolders, int preserve, int refile)
 361 {
 362     int msgnum;
 363     struct st_fold *fp, *ep;
 364
 365     for (fp = folders, ep = folders + nfolders; fp < ep; fp++) {
 366         if ((msgnum = folder_addmsg (&fp->f_mp, msgfile, 1, 0, preserve, nfolders == 1 && refile, maildir)) == -1)
 367             return 1;
 368     }
 369     return 0;
 370 }