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

   1 /* mhlist.c -- list 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/ambigsw.h"
  23 #include "sbr/path.h"
  24 #include "sbr/print_version.h"
  25 #include "sbr/print_help.h"
  26 #include "sbr/error.h"
  27 #include <fcntl.h>
  28 #include "h/signals.h"
  29 #include "h/mts.h"
  30 #include "h/tws.h"
  31 #include "h/mime.h"
  32 #include "h/mhparse.h"
  33 #include "h/done.h"
  34 #include "h/utils.h"
  35 #include "mhmisc.h"
  36 #include "sbr/m_maildir.h"
  37 #include "mhfree.h"
  38
  39 #define MHLIST_SWITCHES \
  40     X("check", -5, CHECKSW) \
  41     X("nocheck", -7, NCHECKSW) \
  42     X("headers", 0, HEADSW) \
  43     X("noheaders", 0, NHEADSW) \
  44     X("realsize", 0, SIZESW) \
  45     X("norealsize", 0, NSIZESW) \
  46     X("verbose", 0, VERBSW) \
  47     X("noverbose", 0, NVERBSW) \
  48     X("disposition", 0, DISPOSW) \
  49     X("nodisposition", 0, NDISPOSW) \
  50     X("file file", 0, FILESW) \
  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("changecur", 0, CHGSW) \
  56     X("nochangecur", 0, NCHGSW) \
  57     X("version", 0, VERSIONSW) \
  58     X("help", 0, HELPSW) \
  59     X("debug", -5, DEBUGSW) \
  60
  61 #define X(sw, minchars, id) id,
  62 DEFINE_SWITCH_ENUM(MHLIST);
  63 #undef X
  64
  65 #define X(sw, minchars, id) { sw, minchars, id },
  66 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  67 #undef X
  68
  69 /*
  70  * This is currently needed to keep mhparse happy.
  71  * This needs to be changed.
  72  */
  73 int debugsw = 0;
  74
  75 #define quitser pipeser
  76
  77 /*
  78  * static prototypes
  79  */
  80 static void pipeser (int);
  81
  82
  83 int
  84 main (int argc, char **argv)
  85 {
  86     bool sizesw = true;
  87     bool headsw = true;
  88     bool chgflag = true;
  89     bool verbosw = false;
  90     bool dispo = false;
  91     int msgnum;
  92     char *cp, *file = NULL, *folder = NULL;
  93     char *maildir, buf[100], **argp;
  94     char **arguments;
  95     struct msgs_array msgs = { 0, 0, NULL };
  96     struct msgs *mp = NULL;
  97     CT ct, *ctp;
  98
  99     if (nmh_init(argv[0], true, true)) { return 1; }
 100
 101     set_done(freects_done);
 102
 103     arguments = getarguments (invo_name, argc, argv, 1);
 104     argp = arguments;
 105
 106     /*
 107      * Parse arguments
 108      */
 109     while ((cp = *argp++)) {
 110         if (*cp == '-') {
 111             switch (smatch (++cp, switches)) {
 112             case AMBIGSW:
 113                 ambigsw (cp, switches);
 114                 done (1);
 115             case UNKWNSW:
 116                 die("-%s unknown", cp);
 117
 118             case HELPSW:
 119                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 120                         invo_name);
 121                 print_help (buf, switches, 1);
 122                 done (0);
 123             case VERSIONSW:
 124                 print_version(invo_name);
 125                 done (0);
 126
 127             case CHECKSW:
 128             case NCHECKSW:
 129                 /* Currently a NOP */
 130                 continue;
 131
 132             case HEADSW:
 133                 headsw = true;
 134                 continue;
 135             case NHEADSW:
 136                 headsw = false;
 137                 continue;
 138
 139             case SIZESW:
 140                 sizesw = true;
 141                 continue;
 142             case NSIZESW:
 143                 sizesw = false;
 144                 continue;
 145
 146             case PARTSW:
 147                 if (!(cp = *argp++) || *cp == '-')
 148                     die("missing argument to %s", argp[-2]);
 149                 if (npart >= NPARTS)
 150                     die("too many parts (starting with %s), %d max",
 151                            cp, NPARTS);
 152                 parts[npart++] = cp;
 153                 continue;
 154
 155             case TYPESW:
 156                 if (!(cp = *argp++) || *cp == '-')
 157                     die("missing argument to %s", argp[-2]);
 158                 if (ntype >= NTYPES)
 159                     die("too many types (starting with %s), %d max",
 160                            cp, NTYPES);
 161                 types[ntype++] = cp;
 162                 continue;
 163
 164             case PREFERSW:
 165                 if (!(cp = *argp++) || *cp == '-')
 166                     die("missing argument to %s", argp[-2]);
 167                 if (npreferred >= NPREFS)
 168                     die("too many preferred types (starting with %s), %d max",
 169                            cp, NPREFS);
 170                 mime_preference[npreferred].type = cp;
 171                 cp = strchr(cp, '/');
 172                 if (cp) *cp++ = '\0';
 173                 mime_preference[npreferred++].subtype = cp;
 174                 continue;
 175
 176             case NPREFERSW:
 177                 npreferred = 0;
 178                 continue;
 179
 180             case FILESW:
 181                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 182                     die("missing argument to %s", argp[-2]);
 183                 file = *cp == '-' ? cp : path (cp, TFILE);
 184                 continue;
 185
 186             case CHGSW:
 187                 chgflag = true;
 188                 continue;
 189             case NCHGSW:
 190                 chgflag = false;
 191                 continue;
 192
 193             case VERBSW:
 194                 verbosw = true;
 195                 continue;
 196             case NVERBSW:
 197                 verbosw = false;
 198                 continue;
 199             case DISPOSW:
 200                 dispo = true;
 201                 continue;
 202             case NDISPOSW:
 203                 dispo = false;
 204                 continue;
 205             case DEBUGSW:
 206                 debugsw = 1;
 207                 continue;
 208             }
 209         }
 210         if (*cp == '+' || *cp == '@') {
 211             if (folder)
 212                 die("only one folder at a time!");
 213             folder = pluspath (cp);
 214         } else
 215                 app_msgarg(&msgs, cp);
 216     }
 217
 218     /* null terminate the list of acceptable parts/types */
 219     parts[npart] = NULL;
 220     types[ntype] = NULL;
 221
 222     if (!context_find ("path"))
 223         free (path ("./", TFOLDER));
 224
 225     if (file && msgs.size)
 226         die("cannot specify msg and file at same time!");
 227
 228     /*
 229      * check if message is coming from file
 230      */
 231     if (file) {
 232         cts = mh_xcalloc(2, sizeof *cts);
 233         ctp = cts;
 234
 235         if ((ct = parse_mime (file)))
 236             *ctp++ = ct;
 237     } else {
 238         /*
 239          * message(s) are coming from a folder
 240          */
 241         if (!msgs.size)
 242             app_msgarg(&msgs, "cur");
 243         if (!folder)
 244             folder = getfolder (1);
 245         maildir = m_maildir (folder);
 246
 247         if (chdir (maildir) == NOTOK)
 248             adios (maildir, "unable to change directory to");
 249
 250         /* read folder and create message structure */
 251         if (!(mp = folder_read (folder, 0)))
 252             die("unable to read folder %s", folder);
 253
 254         /* check for empty folder */
 255         if (mp->nummsg == 0)
 256             die("no messages in %s", folder);
 257
 258         /* parse all the message ranges/sequences and set SELECTED */
 259         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 260             if (!m_convert (mp, msgs.msgs[msgnum]))
 261                 done (1);
 262         seq_setprev (mp);       /* set the previous-sequence */
 263
 264         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 265         ctp = cts;
 266
 267         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 268             if (is_selected(mp, msgnum)) {
 269                 char *msgnam;
 270
 271                 msgnam = m_name (msgnum);
 272                 if ((ct = parse_mime (msgnam)))
 273                     *ctp++ = ct;
 274             }
 275         }
 276     }
 277
 278     if (!*cts)
 279         done (1);
 280
 281     userrs = true;
 282     SIGNAL (SIGQUIT, quitser);
 283     SIGNAL (SIGPIPE, pipeser);
 284
 285     /*
 286      * Get the associated umask for the relevant contents.
 287      */
 288     for (ctp = cts; *ctp; ctp++) {
 289         struct stat st;
 290
 291         ct = *ctp;
 292         if (type_ok (ct, 1) && !ct->c_umask) {
 293             if (stat (ct->c_file, &st) != NOTOK)
 294                 ct->c_umask = ~(st.st_mode & 0777);
 295             else
 296                 ct->c_umask = ~m_gmprot();
 297         }
 298     }
 299
 300     /*
 301      * List the message content
 302      */
 303     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 304
 305     /* Now free all the structures for the content */
 306     for (ctp = cts; *ctp; ctp++)
 307         free_content (*ctp);
 308
 309     free(cts);
 310     cts = NULL;
 311
 312     /* If reading from a folder, do some updating */
 313     if (mp) {
 314         context_replace (pfolder, folder);/* update current folder  */
 315         if (chgflag)
 316             seq_setcur (mp, mp->hghsel);  /* update current message */
 317         seq_save (mp);                    /* synchronize sequences  */
 318         context_save ();                  /* save the context file  */
 319     }
 320
 321     done (0);
 322     return 1;
 323 }
 324
 325
 326 static void
 327 pipeser (int i)
 328 {
 329     if (i == SIGQUIT) {
 330         fflush (stdout);
 331         fprintf (stderr, "\n");
 332         fflush (stderr);
 333     }
 334
 335     done (1);
 336     /* NOTREACHED */
 337 }