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

   1 /* mhstore.c -- store the contents of MIME messages
   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_name.h"
  10 #include "sbr/m_gmprot.h"
  11 #include "sbr/getarguments.h"
  12 #include "sbr/seq_setprev.h"
  13 #include "sbr/seq_setcur.h"
  14 #include "sbr/seq_save.h"
  15 #include "sbr/smatch.h"
  16 #include "sbr/m_convert.h"
  17 #include "sbr/getfolder.h"
  18 #include "sbr/folder_read.h"
  19 #include "sbr/context_save.h"
  20 #include "sbr/context_replace.h"
  21 #include "sbr/context_find.h"
  22 #include "sbr/readconfig.h"
  23 #include "sbr/ambigsw.h"
  24 #include "sbr/path.h"
  25 #include "sbr/print_version.h"
  26 #include "sbr/print_help.h"
  27 #include "sbr/error.h"
  28 #include <fcntl.h>
  29 #include "h/signals.h"
  30 #include "h/md5.h"
  31 #include "h/mts.h"
  32 #include "h/tws.h"
  33 #include "h/mime.h"
  34 #include "h/mhparse.h"
  35 #include "h/mhcachesbr.h"
  36 #include "h/done.h"
  37 #include "h/utils.h"
  38 #include "mhmisc.h"
  39 #include "sbr/m_maildir.h"
  40 #include "mhfree.h"
  41
  42 #define MHSTORE_SWITCHES \
  43     X("auto", 0, AUTOSW) \
  44     X("noauto", 0, NAUTOSW) \
  45     X("check", 0, CHECKSW) \
  46     X("nocheck", 0, NCHECKSW) \
  47     X("verbose", 0, VERBSW) \
  48     X("noverbose", 0, NVERBSW) \
  49     X("file file", 0, FILESW)           /* interface from show */ \
  50     X("outfile outfile", 0, OUTFILESW) \
  51     X("part number", 0, PARTSW) \
  52     X("type content", 0, TYPESW) \
  53     X("prefer content", 0, PREFERSW) \
  54     X("noprefer", 0, NPREFERSW) \
  55     X("rcache policy", 0, RCACHESW) \
  56     X("wcache policy", 0, WCACHESW) \
  57     X("version", 0, VERSIONSW) \
  58     X("help", 0, HELPSW) \
  59     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  60     X("debug", -5, DEBUGSW) \
  61
  62 #define X(sw, minchars, id) id,
  63 DEFINE_SWITCH_ENUM(MHSTORE);
  64 #undef X
  65
  66 #define X(sw, minchars, id) { sw, minchars, id },
  67 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  68 #undef X
  69
  70
  71 #define quitser pipeser
  72
  73 /* mhparse.c */
  74 int debugsw = 0;
  75
  76 /*
  77  * static prototypes
  78  */
  79 static void pipeser (int);
  80
  81
  82 int
  83 main (int argc, char **argv)
  84 {
  85     int msgnum, *icachesw;
  86     bool autosw = false;
  87     /* verbosw defaults to 1 for backward compatibility. */
  88     bool verbosw = true;
  89     const char *clobbersw = "always";
  90     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  91     char *maildir, buf[100], **argp;
  92     char **arguments;
  93     char *cwd;
  94     struct msgs_array msgs = { 0, 0, NULL };
  95     struct msgs *mp = NULL;
  96     CT ct, *ctp;
  97     FILE *fp;
  98     int files_not_clobbered;
  99     mhstoreinfo_t info;
 100
 101     if (nmh_init(argv[0], true, true)) { return 1; }
 102
 103     set_done(freects_done);
 104
 105     arguments = getarguments (invo_name, argc, argv, 1);
 106     argp = arguments;
 107
 108     /*
 109      * Parse arguments
 110      */
 111     while ((cp = *argp++)) {
 112         if (*cp == '-') {
 113             switch (smatch (++cp, switches)) {
 114             case AMBIGSW:
 115                 ambigsw (cp, switches);
 116                 done (1);
 117             case UNKWNSW:
 118                 die("-%s unknown", cp);
 119
 120             case HELPSW:
 121                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 122                         invo_name);
 123                 print_help (buf, switches, 1);
 124                 done (0);
 125             case VERSIONSW:
 126                 print_version(invo_name);
 127                 done (0);
 128
 129             case AUTOSW:
 130                 autosw = true;
 131                 continue;
 132             case NAUTOSW:
 133                 autosw = false;
 134                 continue;
 135
 136             case RCACHESW:
 137                 icachesw = &rcachesw;
 138                 goto do_cache;
 139             case WCACHESW:
 140                 icachesw = &wcachesw;
 141 do_cache:
 142                 if (!(cp = *argp++) || *cp == '-')
 143                     die("missing argument to %s", argp[-2]);
 144                 switch (*icachesw = smatch (cp, cache_policy)) {
 145                 case AMBIGSW:
 146                     ambigsw (cp, cache_policy);
 147                     done (1);
 148                 case UNKWNSW:
 149                     die("%s unknown", cp);
 150                 default:
 151                     break;
 152                 }
 153                 continue;
 154
 155             case CHECKSW:
 156                 checksw++;
 157                 continue;
 158             case NCHECKSW:
 159                 checksw = 0;
 160                 continue;
 161
 162             case PARTSW:
 163                 if (!(cp = *argp++) || *cp == '-')
 164                     die("missing argument to %s", argp[-2]);
 165                 if (npart >= NPARTS)
 166                     die("too many parts (starting with %s), %d max",
 167                            cp, NPARTS);
 168                 parts[npart++] = cp;
 169                 continue;
 170
 171             case TYPESW:
 172                 if (!(cp = *argp++) || *cp == '-')
 173                     die("missing argument to %s", argp[-2]);
 174                 if (ntype >= NTYPES)
 175                     die("too many types (starting with %s), %d max",
 176                            cp, NTYPES);
 177                 types[ntype++] = cp;
 178                 continue;
 179
 180             case PREFERSW:
 181                 if (!(cp = *argp++) || *cp == '-')
 182                     die("missing argument to %s", argp[-2]);
 183                 if (npreferred >= NPREFS)
 184                     die("too many preferred types (starting with %s), %d max",
 185                            cp, NPREFS);
 186                 mime_preference[npreferred].type = cp;
 187                 cp = strchr(cp, '/');
 188                 if (cp) *cp++ = '\0';
 189                 mime_preference[npreferred++].subtype = cp;
 190                 continue;
 191
 192             case NPREFERSW:
 193                 npreferred = 0;
 194                 continue;
 195
 196             case FILESW:
 197                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 198                     die("missing argument to %s", argp[-2]);
 199                 file = *cp == '-' ? cp : path (cp, TFILE);
 200                 continue;
 201
 202             case OUTFILESW:
 203                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 204                     die("missing argument to %s", argp[-2]);
 205                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 206                 continue;
 207
 208             case VERBSW:
 209                 verbosw = true;
 210                 continue;
 211             case NVERBSW:
 212                 verbosw = false;
 213                 continue;
 214             case CLOBBERSW:
 215                 if (!(cp = *argp++) || *cp == '-')
 216                     die("missing argument to %s", argp[-2]);
 217                 clobbersw = cp;
 218                 continue;
 219             case DEBUGSW:
 220                 debugsw = 1;
 221                 continue;
 222             }
 223         }
 224         if (*cp == '+' || *cp == '@') {
 225             if (folder)
 226                 die("only one folder at a time!");
 227             folder = pluspath (cp);
 228         } else
 229                 app_msgarg(&msgs, cp);
 230     }
 231
 232     /* null terminate the list of acceptable parts/types */
 233     parts[npart] = NULL;
 234     types[ntype] = NULL;
 235
 236     /*
 237      * Check if we've specified an additional profile
 238      */
 239     if ((cp = getenv ("MHSTORE"))) {
 240         if ((fp = fopen (cp, "r"))) {
 241             readconfig(NULL, fp, cp, 0);
 242             fclose (fp);
 243         } else {
 244             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 245         }
 246     }
 247
 248     /*
 249      * Read the standard profile setup
 250      */
 251     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 252         readconfig(NULL, fp, cp, 0);
 253         fclose (fp);
 254     }
 255
 256     /* Check for public cache location */
 257     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 258         cache_public = NULL;
 259
 260     /* Check for private cache location */
 261     if (!(cache_private = context_find (nmhprivcache)))
 262         cache_private = ".cache";
 263     cache_private = mh_xstrdup(m_maildir(cache_private));
 264
 265     /*
 266      * Cache the current directory before we do any chdirs()'s.
 267      */
 268     cwd = mh_xstrdup(pwd());
 269
 270     if (!context_find ("path"))
 271         free (path ("./", TFOLDER));
 272
 273     if (file && msgs.size)
 274         die("cannot specify msg and file at same time!");
 275
 276     /*
 277      * check if message is coming from file
 278      */
 279     if (file) {
 280         cts = mh_xcalloc(2, sizeof *cts);
 281         ctp = cts;
 282
 283         if ((ct = parse_mime (file))) {
 284             *ctp++ = ct;
 285             if (outfile) {
 286                 ct->c_storage = mh_xstrdup(outfile);
 287             }
 288         }
 289     } else {
 290         /*
 291          * message(s) are coming from a folder
 292          */
 293         if (!msgs.size)
 294             app_msgarg(&msgs, "cur");
 295         if (!folder)
 296             folder = getfolder (1);
 297         maildir = m_maildir (folder);
 298
 299         if (chdir (maildir) == NOTOK)
 300             adios (maildir, "unable to change directory to");
 301
 302         /* read folder and create message structure */
 303         if (!(mp = folder_read (folder, 1)))
 304             die("unable to read folder %s", folder);
 305
 306         /* check for empty folder */
 307         if (mp->nummsg == 0)
 308             die("no messages in %s", folder);
 309
 310         /* parse all the message ranges/sequences and set SELECTED */
 311         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 312             if (!m_convert (mp, msgs.msgs[msgnum]))
 313                 done (1);
 314         seq_setprev (mp);       /* set the previous-sequence */
 315
 316         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 317         ctp = cts;
 318
 319         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 320             if (is_selected(mp, msgnum)) {
 321                 char *msgnam;
 322
 323                 msgnam = m_name (msgnum);
 324                 if ((ct = parse_mime (msgnam))) {
 325                     *ctp++ = ct;
 326                     if (outfile) {
 327                         ct->c_storage = mh_xstrdup(outfile);
 328                     }
 329                 }
 330             }
 331         }
 332     }
 333
 334     if (!*cts)
 335         done (1);
 336
 337     userrs = true;
 338     SIGNAL (SIGQUIT, quitser);
 339     SIGNAL (SIGPIPE, pipeser);
 340
 341     /*
 342      * Get the associated umask for the relevant contents.
 343      */
 344     for (ctp = cts; *ctp; ctp++) {
 345         struct stat st;
 346
 347         ct = *ctp;
 348         if (type_ok (ct, 1) && !ct->c_umask) {
 349             if (stat (ct->c_file, &st) != NOTOK)
 350                 ct->c_umask = ~(st.st_mode & 0777);
 351             else
 352                 ct->c_umask = ~m_gmprot();
 353         }
 354     }
 355
 356     /*
 357      * Store the message content
 358      */
 359     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 360     store_all_messages (info);
 361     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 362     mhstoreinfo_free(info);
 363
 364     /* Now free all the structures for the content */
 365     for (ctp = cts; *ctp; ctp++)
 366         free_content (*ctp);
 367
 368     free (cts);
 369     cts = NULL;
 370
 371     /* If reading from a folder, do some updating */
 372     if (mp) {
 373         context_replace (pfolder, folder);/* update current folder  */
 374         seq_setcur (mp, mp->hghsel);      /* update current message */
 375         seq_save (mp);                    /* synchronize sequences  */
 376         context_save ();                  /* save the context file  */
 377     }
 378
 379     done (files_not_clobbered);
 380     return 1;
 381 }
 382
 383
 384 static void
 385 pipeser (int i)
 386 {
 387     if (i == SIGQUIT) {
 388         fflush (stdout);
 389         fprintf (stderr, "\n");
 390         fflush (stderr);
 391     }
 392
 393     done (1);
 394     /* NOTREACHED */
 395 }