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

   1
   2 /*
   3  * mhstore.c -- store the contents of MIME messages
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <fcntl.h>
  12 #include <h/signals.h>
  13 #include <h/md5.h>
  14 #include <h/mts.h>
  15 #include <h/tws.h>
  16 #include <h/mime.h>
  17 #include <h/mhparse.h>
  18 #include <h/mhcachesbr.h>
  19 #include <h/utils.h>
  20
  21 #define MHSTORE_SWITCHES \
  22     X("auto", 0, AUTOSW) \
  23     X("noauto", 0, NAUTOSW) \
  24     X("check", 0, CHECKSW) \
  25     X("nocheck", 0, NCHECKSW) \
  26     X("verbose", 0, VERBSW) \
  27     X("noverbose", 0, NVERBSW) \
  28     X("file file", 0, FILESW)           /* interface from show */ \
  29     X("outfile outfile", 0, OUTFILESW) \
  30     X("part number", 0, PARTSW) \
  31     X("type content", 0, TYPESW) \
  32     X("rcache policy", 0, RCACHESW) \
  33     X("wcache policy", 0, WCACHESW) \
  34     X("version", 0, VERSIONSW) \
  35     X("help", 0, HELPSW) \
  36     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  37     X("debug", -5, DEBUGSW) \
  38
  39 #define X(sw, minchars, id) id,
  40 DEFINE_SWITCH_ENUM(MHSTORE);
  41 #undef X
  42
  43 #define X(sw, minchars, id) { sw, minchars, id },
  44 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  45 #undef X
  46
  47
  48 int save_clobber_policy (const char *);
  49 extern int files_not_clobbered;
  50
  51 /* mhcachesbr.c */
  52 extern int rcachesw;
  53 extern int wcachesw;
  54 extern char *cache_public;
  55 extern char *cache_private;
  56
  57 /* mhstoresbr.c */
  58 extern int autosw;
  59 extern char *cwd;       /* cache current working directory */
  60
  61 /* mhmisc.c */
  62 extern int npart;
  63 extern int ntype;
  64 extern char *parts[NPARTS + 1];
  65 extern char *types[NTYPES + 1];
  66 extern int userrs;
  67
  68 int debugsw = 0;
  69 int verbosw = 0;
  70
  71 #define quitser pipeser
  72
  73 /* mhparse.c */
  74 CT parse_mime (char *);
  75
  76 /* mhmisc.c */
  77 int part_ok (CT, int);
  78 int type_ok (CT, int);
  79 void flush_errors (void);
  80
  81 /* mhstoresbr.c */
  82 void store_all_messages (CT *);
  83
  84 /* mhfree.c */
  85 extern CT *cts;
  86 void freects_done (int) NORETURN;
  87
  88 /*
  89  * static prototypes
  90  */
  91 static void pipeser (int);
  92
  93
  94 int
  95 main (int argc, char **argv)
  96 {
  97     int msgnum, *icachesw;
  98     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  99     char *maildir, buf[100], **argp;
 100     char **arguments;
 101     struct msgs_array msgs = { 0, 0, NULL };
 102     struct msgs *mp = NULL;
 103     CT ct, *ctp;
 104     FILE *fp;
 105
 106     done=freects_done;
 107
 108 #ifdef LOCALE
 109     setlocale(LC_ALL, "");
 110 #endif
 111     invo_name = r1bindex (argv[0], '/');
 112
 113     /* read user profile/context */
 114     context_read();
 115
 116     arguments = getarguments (invo_name, argc, argv, 1);
 117     argp = arguments;
 118
 119     /*
 120      * Parse arguments
 121      */
 122     while ((cp = *argp++)) {
 123         if (*cp == '-') {
 124             switch (smatch (++cp, switches)) {
 125             case AMBIGSW:
 126                 ambigsw (cp, switches);
 127                 done (1);
 128             case UNKWNSW:
 129                 adios (NULL, "-%s unknown", cp);
 130
 131             case HELPSW:
 132                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 133                         invo_name);
 134                 print_help (buf, switches, 1);
 135                 done (0);
 136             case VERSIONSW:
 137                 print_version(invo_name);
 138                 done (0);
 139
 140             case AUTOSW:
 141                 autosw++;
 142                 continue;
 143             case NAUTOSW:
 144                 autosw = 0;
 145                 continue;
 146
 147             case RCACHESW:
 148                 icachesw = &rcachesw;
 149                 goto do_cache;
 150             case WCACHESW:
 151                 icachesw = &wcachesw;
 152 do_cache:
 153                 if (!(cp = *argp++) || *cp == '-')
 154                     adios (NULL, "missing argument to %s", argp[-2]);
 155                 switch (*icachesw = smatch (cp, caches)) {
 156                 case AMBIGSW:
 157                     ambigsw (cp, caches);
 158                     done (1);
 159                 case UNKWNSW:
 160                     adios (NULL, "%s unknown", cp);
 161                 default:
 162                     break;
 163                 }
 164                 continue;
 165
 166             case CHECKSW:
 167                 checksw++;
 168                 continue;
 169             case NCHECKSW:
 170                 checksw = 0;
 171                 continue;
 172
 173             case PARTSW:
 174                 if (!(cp = *argp++) || *cp == '-')
 175                     adios (NULL, "missing argument to %s", argp[-2]);
 176                 if (npart >= NPARTS)
 177                     adios (NULL, "too many parts (starting with %s), %d max",
 178                            cp, NPARTS);
 179                 parts[npart++] = cp;
 180                 continue;
 181
 182             case TYPESW:
 183                 if (!(cp = *argp++) || *cp == '-')
 184                     adios (NULL, "missing argument to %s", argp[-2]);
 185                 if (ntype >= NTYPES)
 186                     adios (NULL, "too many types (starting with %s), %d max",
 187                            cp, NTYPES);
 188                 types[ntype++] = cp;
 189                 continue;
 190
 191             case FILESW:
 192                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 193                     adios (NULL, "missing argument to %s", argp[-2]);
 194                 file = *cp == '-' ? cp : path (cp, TFILE);
 195                 continue;
 196
 197             case OUTFILESW:
 198                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 199                     adios (NULL, "missing argument to %s", argp[-2]);
 200                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 201                 continue;
 202
 203             case VERBSW:
 204                 verbosw = 1;
 205                 continue;
 206             case NVERBSW:
 207                 verbosw = 0;
 208                 continue;
 209             case CLOBBERSW:
 210                 if (!(cp = *argp++) || *cp == '-')
 211                     adios (NULL, "missing argument to %s", argp[-2]);
 212                 if (save_clobber_policy (cp)) {
 213                   adios (NULL, "invalid argument, %s, to %s", argp[-1],
 214                          argp[-2]);
 215                 }
 216                 continue;
 217             case DEBUGSW:
 218                 debugsw = 1;
 219                 continue;
 220             }
 221         }
 222         if (*cp == '+' || *cp == '@') {
 223             if (folder)
 224                 adios (NULL, "only one folder at a time!");
 225             else
 226                 folder = pluspath (cp);
 227         } else
 228                 app_msgarg(&msgs, cp);
 229     }
 230
 231     /* null terminate the list of acceptable parts/types */
 232     parts[npart] = NULL;
 233     types[ntype] = NULL;
 234
 235     /*
 236      * Check if we've specified an additional profile
 237      */
 238     if ((cp = getenv ("MHSTORE"))) {
 239         if ((fp = fopen (cp, "r"))) {
 240             readconfig ((struct node **) 0, fp, cp, 0);
 241             fclose (fp);
 242         } else {
 243             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 244         }
 245     }
 246
 247     /*
 248      * Read the standard profile setup
 249      */
 250     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 251         readconfig ((struct node **) 0, fp, cp, 0);
 252         fclose (fp);
 253     }
 254
 255     /* Check for public cache location */
 256     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 257         cache_public = NULL;
 258
 259     /* Check for private cache location */
 260     if (!(cache_private = context_find (nmhprivcache)))
 261         cache_private = ".cache";
 262     cache_private = getcpy (m_maildir (cache_private));
 263
 264     /*
 265      * Cache the current directory before we do any chdirs()'s.
 266      */
 267     cwd = getcpy (pwd());
 268
 269     if (!context_find ("path"))
 270         free (path ("./", TFOLDER));
 271
 272     if (file && msgs.size)
 273         adios (NULL, "cannot specify msg and file at same time!");
 274
 275     /*
 276      * check if message is coming from file
 277      */
 278     if (file) {
 279         if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts))))
 280             adios (NULL, "out of memory");
 281         ctp = cts;
 282
 283         if ((ct = parse_mime (file))) {
 284             *ctp++ = ct;
 285             if (outfile) {
 286                 ct->c_storage = 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             adios (NULL, "unable to read folder %s", folder);
 305
 306         /* check for empty folder */
 307         if (mp->nummsg == 0)
 308             adios (NULL, "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         if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts))))
 317             adios (NULL, "out of memory");
 318         ctp = cts;
 319
 320         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 321             if (is_selected(mp, msgnum)) {
 322                 char *msgnam;
 323
 324                 msgnam = m_name (msgnum);
 325                 if ((ct = parse_mime (msgnam))) {
 326                     *ctp++ = ct;
 327                     if (outfile) {
 328                         ct->c_storage = add (outfile, NULL);
 329                     }
 330                 }
 331             }
 332         }
 333     }
 334
 335     if (!*cts)
 336         done (1);
 337
 338     userrs = 1;
 339     SIGNAL (SIGQUIT, quitser);
 340     SIGNAL (SIGPIPE, pipeser);
 341
 342     /*
 343      * Get the associated umask for the relevant contents.
 344      */
 345     for (ctp = cts; *ctp; ctp++) {
 346         struct stat st;
 347
 348         ct = *ctp;
 349         if (type_ok (ct, 1) && !ct->c_umask) {
 350             if (stat (ct->c_file, &st) != NOTOK)
 351                 ct->c_umask = ~(st.st_mode & 0777);
 352             else
 353                 ct->c_umask = ~m_gmprot();
 354         }
 355     }
 356
 357     /*
 358      * Store the message content
 359      */
 360     store_all_messages (cts);
 361
 362     /* Now free all the structures for the content */
 363     for (ctp = cts; *ctp; ctp++)
 364         free_content (*ctp);
 365
 366     free ((char *) cts);
 367     cts = NULL;
 368
 369     /* If reading from a folder, do some updating */
 370     if (mp) {
 371         context_replace (pfolder, folder);/* update current folder  */
 372         seq_setcur (mp, mp->hghsel);      /* update current message */
 373         seq_save (mp);                    /* synchronize sequences  */
 374         context_save ();                  /* save the context file  */
 375     }
 376
 377     done (files_not_clobbered);
 378     return 1;
 379 }
 380
 381
 382 static void
 383 pipeser (int i)
 384 {
 385     if (i == SIGQUIT) {
 386         fflush (stdout);
 387         fprintf (stderr, "\n");
 388         fflush (stderr);
 389     }
 390
 391     done (1);
 392     /* NOTREACHED */
 393 }