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

   1
   2 /*
   3  * rcvstore.c -- asynchronously add mail to a folder
   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/mts.h>
  14
  15 #define RCVSTORE_SWITCHES \
  16     X("create", 0, CRETSW) \
  17     X("nocreate", 0, NCRETSW) \
  18     X("unseen", 0, UNSEENSW) \
  19     X("nounseen", 0, NUNSEENSW) \
  20     X("public", 0, PUBSW) \
  21     X("nopublic", 0, NPUBSW) \
  22     X("zero", 0, ZEROSW) \
  23     X("nozero", 0, NZEROSW) \
  24     X("sequence name", 0, SEQSW) \
  25     X("version", 0, VERSIONSW) \
  26     X("help", 0, HELPSW) \
  27
  28 #define X(sw, minchars, id) id,
  29 DEFINE_SWITCH_ENUM(RCVSTORE);
  30 #undef X
  31
  32 #define X(sw, minchars, id) { sw, minchars, id },
  33 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  34 #undef X
  35
  36
  37 /*
  38  * name of temporary file to store incoming message
  39  */
  40 static char *tmpfilenam = NULL;
  41
  42 static void unlink_done(int) NORETURN;
  43
  44 int
  45 main (int argc, char **argv)
  46 {
  47     int publicsw = -1, zerosw = 0;
  48     int create = 1, unseensw = 1;
  49     int fd, msgnum;
  50     size_t seqp = 0;
  51     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  52     char **argp, **arguments;
  53     svector_t seqs = svector_create (0);
  54     struct msgs *mp;
  55     struct stat st;
  56
  57     done=unlink_done;
  58
  59 #ifdef LOCALE
  60     setlocale(LC_ALL, "");
  61 #endif
  62     invo_name = r1bindex (argv[0], '/');
  63
  64     /* read user profile/context */
  65     context_read();
  66
  67     mts_init (invo_name);
  68     arguments = getarguments (invo_name, argc, argv, 1);
  69     argp = arguments;
  70
  71     /* parse arguments */
  72     while ((cp = *argp++)) {
  73         if (*cp == '-') {
  74             switch (smatch (++cp, switches)) {
  75             case AMBIGSW:
  76                 ambigsw (cp, switches);
  77                 done (1);
  78             case UNKWNSW:
  79                 adios (NULL, "-%s unknown", cp);
  80
  81             case HELPSW:
  82                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  83                           invo_name);
  84                 print_help (buf, switches, 1);
  85                 done (0);
  86             case VERSIONSW:
  87                 print_version(invo_name);
  88                 done (0);
  89
  90             case SEQSW:
  91                 if (!(cp = *argp++) || *cp == '-')
  92                     adios (NULL, "missing argument name to %s", argp[-2]);
  93
  94                 svector_push_back (seqs, cp);
  95                 seqp++;
  96                 continue;
  97
  98             case UNSEENSW:
  99                 unseensw = 1;
 100                 continue;
 101             case NUNSEENSW:
 102                 unseensw = 0;
 103                 continue;
 104
 105             case PUBSW:
 106                 publicsw = 1;
 107                 continue;
 108             case NPUBSW:
 109                 publicsw = 0;
 110                 continue;
 111
 112             case ZEROSW:
 113                 zerosw++;
 114                 continue;
 115             case NZEROSW:
 116                 zerosw = 0;
 117                 continue;
 118
 119             case CRETSW:
 120                 create++;
 121                 continue;
 122             case NCRETSW:
 123                 create = 0;
 124                 continue;
 125             }
 126         }
 127         if (*cp == '+' || *cp == '@') {
 128             if (folder)
 129                 adios (NULL, "only one folder at a time!");
 130             else
 131                 folder = pluspath (cp);
 132         } else {
 133             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 134         }
 135     }
 136
 137     if (!context_find ("path"))
 138         free (path ("./", TFOLDER));
 139
 140     /* if no folder is given, use default folder */
 141     if (!folder)
 142         folder = getfolder (0);
 143     maildir = m_maildir (folder);
 144
 145     /* check if folder exists */
 146     if (stat (maildir, &st) == NOTOK) {
 147         if (errno != ENOENT)
 148             adios (maildir, "error on folder");
 149         if (!create)
 150             adios (NULL, "folder %s doesn't exist", maildir);
 151         if (!makedir (maildir))
 152             adios (NULL, "unable to create folder %s", maildir);
 153     }
 154
 155     if (chdir (maildir) == NOTOK)
 156         adios (maildir, "unable to change directory to");
 157
 158     /* ignore a few signals */
 159     SIGNAL (SIGHUP, SIG_IGN);
 160     SIGNAL (SIGINT, SIG_IGN);
 161     SIGNAL (SIGQUIT, SIG_IGN);
 162     SIGNAL (SIGTERM, SIG_IGN);
 163
 164     /* create a temporary file */
 165     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 166     if (tmpfilenam == NULL) {
 167         adios ("rcvstore", "unable to create temporary file");
 168     }
 169     chmod (tmpfilenam, m_gmprot());
 170
 171     /* copy the message from stdin into temp file */
 172     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 173
 174     if (fstat (fd, &st) == NOTOK) {
 175         unlink (tmpfilenam);
 176         adios (tmpfilenam, "unable to fstat");
 177     }
 178     if (close (fd) == NOTOK)
 179         adios (tmpfilenam, "error closing");
 180
 181     /* don't add file if it is empty */
 182     if (st.st_size == 0) {
 183         unlink (tmpfilenam);
 184         advise (NULL, "empty file");
 185         done (0);
 186     }
 187
 188     /*
 189      * read folder and create message structure
 190      */
 191     if (!(mp = folder_read (folder, 1)))
 192         adios (NULL, "unable to read folder %s", folder);
 193
 194     /*
 195      * Link message into folder, and possibly add
 196      * to the Unseen-Sequence's.
 197      */
 198     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 199         done (1);
 200
 201     /*
 202      * Add the message to any extra sequences
 203      * that have been specified.
 204      */
 205     if (seqp) {
 206         /* The only reason that seqp was checked to be non-zero is in
 207            case a -nosequence switch is added. */
 208         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 209             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 210                              zerosw))
 211                 done (1);
 212         }
 213     }
 214
 215     svector_free (seqs);
 216     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 217     seq_save (mp);              /* synchronize and save message sequences */
 218     folder_free (mp);           /* free folder/message structure          */
 219
 220     context_save ();            /* save the global context file           */
 221     unlink (tmpfilenam);        /* remove temporary file                  */
 222     tmpfilenam = NULL;
 223
 224     done (0);
 225     return 1;
 226 }
 227
 228 /*
 229  * Clean up and exit
 230  */
 231 static void
 232 unlink_done(int status)
 233 {
 234     if (tmpfilenam && *tmpfilenam)
 235         unlink (tmpfilenam);
 236     exit (status);
 237 }