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