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

   1 /* rcvstore.c -- asynchronously add mail to a folder
   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/print_version.h"
  10 #include "sbr/print_help.h"
  11 #include "sbr/seq_add.h"
  12 #include "sbr/error.h"
  13 #include <fcntl.h>
  14 #include "h/signals.h"
  15 #include "h/mts.h"
  16 #include "h/done.h"
  17 #include "h/utils.h"
  18 #include "sbr/m_maildir.h"
  19 #include "sbr/m_mktemp.h"
  20 #include "sbr/makedir.h"
  21
  22 #define RCVSTORE_SWITCHES \
  23     X("create", 0, CRETSW) \
  24     X("nocreate", 0, NCRETSW) \
  25     X("unseen", 0, UNSEENSW) \
  26     X("nounseen", 0, NUNSEENSW) \
  27     X("public", 0, PUBSW) \
  28     X("nopublic", 0, NPUBSW) \
  29     X("zero", 0, ZEROSW) \
  30     X("nozero", 0, NZEROSW) \
  31     X("sequence name", 0, SEQSW) \
  32     X("version", 0, VERSIONSW) \
  33     X("help", 0, HELPSW) \
  34
  35 #define X(sw, minchars, id) id,
  36 DEFINE_SWITCH_ENUM(RCVSTORE);
  37 #undef X
  38
  39 #define X(sw, minchars, id) { sw, minchars, id },
  40 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  41 #undef X
  42
  43
  44 /*
  45  * name of temporary file to store incoming message
  46  */
  47 static char *tmpfilenam = NULL;
  48
  49 static void unlink_done(int) NORETURN;
  50
  51 int
  52 main (int argc, char **argv)
  53 {
  54     int publicsw = -1;
  55     bool zerosw = false;
  56     bool create = true;
  57     bool unseensw = true;
  58     int fd, msgnum;
  59     size_t seqp = 0;
  60     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  61     char **argp, **arguments;
  62     svector_t seqs = svector_create (0);
  63     struct msgs *mp;
  64     struct stat st;
  65
  66     if (nmh_init(argv[0], true, false)) { return 1; }
  67
  68     set_done(unlink_done);
  69
  70     mts_init ();
  71     arguments = getarguments (invo_name, argc, argv, 1);
  72     argp = arguments;
  73
  74     /* parse arguments */
  75     while ((cp = *argp++)) {
  76         if (*cp == '-') {
  77             switch (smatch (++cp, switches)) {
  78             case AMBIGSW:
  79                 ambigsw (cp, switches);
  80                 done (1);
  81             case UNKWNSW:
  82                 die("-%s unknown", cp);
  83
  84             case HELPSW:
  85                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  86                           invo_name);
  87                 print_help (buf, switches, 1);
  88                 done (0);
  89             case VERSIONSW:
  90                 print_version(invo_name);
  91                 done (0);
  92
  93             case SEQSW:
  94                 if (!(cp = *argp++) || *cp == '-')
  95                     die("missing argument name to %s", argp[-2]);
  96
  97                 svector_push_back (seqs, cp);
  98                 seqp++;
  99                 continue;
 100
 101             case UNSEENSW:
 102                 unseensw = true;
 103                 continue;
 104             case NUNSEENSW:
 105                 unseensw = false;
 106                 continue;
 107
 108             case PUBSW:
 109                 publicsw = 1;
 110                 continue;
 111             case NPUBSW:
 112                 publicsw = 0;
 113                 continue;
 114
 115             case ZEROSW:
 116                 zerosw = true;
 117                 continue;
 118             case NZEROSW:
 119                 zerosw = false;
 120                 continue;
 121
 122             case CRETSW:
 123                 create = true;
 124                 continue;
 125             case NCRETSW:
 126                 create = false;
 127                 continue;
 128             }
 129         }
 130         if (*cp == '+' || *cp == '@') {
 131             if (folder)
 132                 die("only one folder at a time!");
 133             folder = pluspath (cp);
 134         } else {
 135             die("usage: %s [+folder] [switches]", invo_name);
 136         }
 137     }
 138
 139     if (!context_find ("path"))
 140         free (path ("./", TFOLDER));
 141
 142     /* if no folder is given, use default folder */
 143     if (!folder)
 144         folder = getfolder (0);
 145     maildir = m_maildir (folder);
 146
 147     /* check if folder exists */
 148     if (stat (maildir, &st) == NOTOK) {
 149         if (errno != ENOENT)
 150             adios (maildir, "error on folder");
 151         if (!create)
 152             die("folder %s doesn't exist", maildir);
 153         if (!makedir (maildir))
 154             die("unable to create folder %s", maildir);
 155     }
 156
 157     if (chdir (maildir) == NOTOK)
 158         adios (maildir, "unable to change directory to");
 159
 160     /* ignore a few signals */
 161     SIGNAL (SIGHUP, SIG_IGN);
 162     SIGNAL (SIGINT, SIG_IGN);
 163     SIGNAL (SIGQUIT, SIG_IGN);
 164     SIGNAL (SIGTERM, SIG_IGN);
 165
 166     /* create a temporary file */
 167     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 168     if (tmpfilenam == NULL) {
 169         die("unable to create temporary file in %s", get_temp_dir());
 170     }
 171     chmod (tmpfilenam, m_gmprot());
 172
 173     /* copy the message from stdin into temp file */
 174     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 175
 176     if (fstat (fd, &st) == NOTOK) {
 177         (void) m_unlink (tmpfilenam);
 178         adios (tmpfilenam, "unable to fstat");
 179     }
 180     if (close (fd) == NOTOK)
 181         adios (tmpfilenam, "error closing");
 182
 183     /* don't add file if it is empty */
 184     if (st.st_size == 0) {
 185         (void) m_unlink (tmpfilenam);
 186         inform("empty file");
 187         done (0);
 188     }
 189
 190     /*
 191      * read folder and create message structure
 192      */
 193     if (!(mp = folder_read (folder, 1)))
 194         die("unable to read folder %s", folder);
 195
 196     /*
 197      * Link message into folder, and possibly add
 198      * to the Unseen-Sequence's.
 199      */
 200     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 201         done (1);
 202
 203     /*
 204      * Add the message to any extra sequences
 205      * that have been specified.
 206      */
 207     if (seqp) {
 208         /* The only reason that seqp was checked to be non-zero is in
 209            case a -nosequence switch is added. */
 210         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 211             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 212                              zerosw))
 213                 done (1);
 214         }
 215     }
 216
 217     svector_free (seqs);
 218     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 219     seq_save (mp);              /* synchronize and save message sequences */
 220     folder_free (mp);           /* free folder/message structure          */
 221
 222     context_save ();            /* save the global context file           */
 223     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 224     tmpfilenam = NULL;
 225
 226     done (0);
 227     return 1;
 228 }
 229
 230 /*
 231  * Clean up and exit
 232  */
 233 static void NORETURN
 234 unlink_done(int status)
 235 {
 236     if (tmpfilenam && *tmpfilenam)
 237         (void) m_unlink (tmpfilenam);
 238     exit (status);
 239 }