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

   1
   2 /*
   3  * rcvstore.c -- asynchronously add mail to a folder
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <fcntl.h>
  14 #include <h/signals.h>
  15 #include <errno.h>
  16 #include <signal.h>
  17 #include <h/mts.h>
  18
  19 static struct swit switches[] = {
  20 #define CRETSW         0
  21     { "create", 0 },
  22 #define NCRETSW        1
  23     { "nocreate", 0 },
  24 #define UNSEENSW       2
  25     { "unseen", 0 },
  26 #define NUNSEENSW      3
  27     { "nounseen", 0 },
  28 #define PUBSW          4
  29     { "public", 0 },
  30 #define NPUBSW         5
  31     { "nopublic",  0 },
  32 #define ZEROSW         6
  33     { "zero",   0 },
  34 #define NZEROSW        7
  35     { "nozero", 0 },
  36 #define SEQSW          8
  37     { "sequence name", 0 },
  38 #define VERSIONSW      9
  39     { "version", 0 },
  40 #define HELPSW        10
  41     { "help", 0 },
  42     { NULL, 0 }
  43 };
  44
  45 extern int errno;
  46
  47 /*
  48  * name of temporary file to store incoming message
  49  */
  50 static char *tmpfilenam = NULL;
  51
  52
  53 int
  54 main (int argc, char **argv)
  55 {
  56     int publicsw = -1, zerosw = 0;
  57     int create = 1, unseensw = 1;
  58     int fd, msgnum, seqp = 0;
  59     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  60     char **argp, **arguments, *seqs[NUMATTRS+1];
  61     struct msgs *mp;
  62     struct stat st;
  63
  64 #ifdef LOCALE
  65     setlocale(LC_ALL, "");
  66 #endif
  67     invo_name = r1bindex (argv[0], '/');
  68
  69     /* read user profile/context */
  70     context_read();
  71
  72     mts_init (invo_name);
  73     arguments = getarguments (invo_name, argc, argv, 1);
  74     argp = arguments;
  75
  76     /* parse arguments */
  77     while ((cp = *argp++)) {
  78         if (*cp == '-') {
  79             switch (smatch (++cp, switches)) {
  80             case AMBIGSW:
  81                 ambigsw (cp, switches);
  82                 done (1);
  83             case UNKWNSW:
  84                 adios (NULL, "-%s unknown", cp);
  85
  86             case HELPSW:
  87                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  88                           invo_name);
  89                 print_help (buf, switches, 1);
  90                 done (1);
  91             case VERSIONSW:
  92                 print_version(invo_name);
  93                 done (1);
  94
  95             case SEQSW:
  96                 if (!(cp = *argp++) || *cp == '-')
  97                     adios (NULL, "missing argument name to %s", argp[-2]);
  98
  99                 /* check if too many sequences specified */
 100                 if (seqp >= NUMATTRS)
 101                     adios (NULL, "too many sequences (more than %d) specified", NUMATTRS);
 102                 seqs[seqp++] = cp;
 103                 continue;
 104
 105             case UNSEENSW:
 106                 unseensw = 1;
 107                 continue;
 108             case NUNSEENSW:
 109                 unseensw = 0;
 110                 continue;
 111
 112             case PUBSW:
 113                 publicsw = 1;
 114                 continue;
 115             case NPUBSW:
 116                 publicsw = 0;
 117                 continue;
 118
 119             case ZEROSW:
 120                 zerosw++;
 121                 continue;
 122             case NZEROSW:
 123                 zerosw = 0;
 124                 continue;
 125
 126             case CRETSW:
 127                 create++;
 128                 continue;
 129             case NCRETSW:
 130                 create = 0;
 131                 continue;
 132             }
 133         }
 134         if (*cp == '+' || *cp == '@') {
 135             if (folder)
 136                 adios (NULL, "only one folder at a time!");
 137             else
 138                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
 139         } else {
 140             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 141         }
 142     }
 143
 144     seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 145
 146     if (!context_find ("path"))
 147         free (path ("./", TFOLDER));
 148
 149     /* if no folder is given, use default folder */
 150     if (!folder)
 151         folder = getfolder (0);
 152     maildir = m_maildir (folder);
 153
 154     /* check if folder exists */
 155     if (stat (maildir, &st) == NOTOK) {
 156         if (errno != ENOENT)
 157             adios (maildir, "error on folder");
 158         if (!create)
 159             adios (NULL, "folder %s doesn't exist", maildir);
 160         if (!makedir (maildir))
 161             adios (NULL, "unable to create folder %s", maildir);
 162     }
 163
 164     if (chdir (maildir) == NOTOK)
 165         adios (maildir, "unable to change directory to");
 166
 167     /* ignore a few signals */
 168     SIGNAL (SIGHUP, SIG_IGN);
 169     SIGNAL (SIGINT, SIG_IGN);
 170     SIGNAL (SIGQUIT, SIG_IGN);
 171     SIGNAL (SIGTERM, SIG_IGN);
 172
 173     /* create a temporary file */
 174     tmpfilenam = m_scratch ("", invo_name);
 175     if ((fd = creat (tmpfilenam, m_gmprot ())) == NOTOK)
 176         adios (tmpfilenam, "unable to create");
 177     chmod (tmpfilenam, m_gmprot());
 178
 179     /* copy the message from stdin into temp file */
 180     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 181
 182     if (fstat (fd, &st) == NOTOK) {
 183         unlink (tmpfilenam);
 184         adios (tmpfilenam, "unable to fstat");
 185     }
 186     if (close (fd) == NOTOK)
 187         adios (tmpfilenam, "error closing");
 188
 189     /* don't add file if it is empty */
 190     if (st.st_size == 0) {
 191         unlink (tmpfilenam);
 192         advise (NULL, "empty file");
 193         done (0);
 194     }
 195
 196     /*
 197      * read folder and create message structure
 198      */
 199     if (!(mp = folder_read (folder)))
 200         adios (NULL, "unable to read folder %s", folder);
 201
 202     /*
 203      * Link message into folder, and possibly add
 204      * to the Unseen-Sequence's.
 205      */
 206     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0)) == -1)
 207         done (1);
 208
 209     /*
 210      * Add the message to any extra sequences
 211      * that have been specified.
 212      */
 213     for (seqp = 0; seqs[seqp]; seqp++) {
 214         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 215             done (1);
 216     }
 217
 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     unlink (tmpfilenam);        /* remove temporary file                  */
 224     tmpfilenam = NULL;
 225
 226     return done (0);
 227 }
 228
 229 /*
 230  * Clean up and exit
 231  */
 232 int
 233 done(int status)
 234 {
 235     if (tmpfilenam && *tmpfilenam)
 236         unlink (tmpfilenam);
 237     exit (status);
 238     return 1;  /* dead code to satisfy the compiler */
 239 }