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 <errno.h>
  14 #include <signal.h>
  15 #include <h/mts.h>
  16
  17 static struct swit switches[] = {
  18 #define CRETSW         0
  19     { "create", 0 },
  20 #define NCRETSW        1
  21     { "nocreate", 0 },
  22 #define UNSEENSW       2
  23     { "unseen", 0 },
  24 #define NUNSEENSW      3
  25     { "nounseen", 0 },
  26 #define PUBSW          4
  27     { "public", 0 },
  28 #define NPUBSW         5
  29     { "nopublic",  0 },
  30 #define ZEROSW         6
  31     { "zero",   0 },
  32 #define NZEROSW        7
  33     { "nozero", 0 },
  34 #define SEQSW          8
  35     { "sequence name", 0 },
  36 #define VERSIONSW      9
  37     { "version", 0 },
  38 #define HELPSW        10
  39     { "help", 0 },
  40     { NULL, 0 }
  41 };
  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, zerosw = 0;
  55     int create = 1, unseensw = 1;
  56     int fd, msgnum, seqp = 0;
  57     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  58     char **argp, **arguments, *seqs[NUMATTRS+1];
  59     struct msgs *mp;
  60     struct stat st;
  61
  62     done=unlink_done;
  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 = pluspath (cp);
 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_mktemp (invo_name, &fd, NULL);
 175     if (tmpfilenam == NULL) {
 176         adios ("rcvstore", "unable to create temporary file");
 177     }
 178     chmod (tmpfilenam, m_gmprot());
 179
 180     /* copy the message from stdin into temp file */
 181     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 182
 183     if (fstat (fd, &st) == NOTOK) {
 184         unlink (tmpfilenam);
 185         adios (tmpfilenam, "unable to fstat");
 186     }
 187     if (close (fd) == NOTOK)
 188         adios (tmpfilenam, "error closing");
 189
 190     /* don't add file if it is empty */
 191     if (st.st_size == 0) {
 192         unlink (tmpfilenam);
 193         advise (NULL, "empty file");
 194         done (0);
 195     }
 196
 197     /*
 198      * read folder and create message structure
 199      */
 200     if (!(mp = folder_read (folder)))
 201         adios (NULL, "unable to read folder %s", folder);
 202
 203     /*
 204      * Link message into folder, and possibly add
 205      * to the Unseen-Sequence's.
 206      */
 207     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 208         done (1);
 209
 210     /*
 211      * Add the message to any extra sequences
 212      * that have been specified.
 213      */
 214     for (seqp = 0; seqs[seqp]; seqp++) {
 215         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 216             done (1);
 217     }
 218
 219     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 220     seq_save (mp);              /* synchronize and save message sequences */
 221     folder_free (mp);           /* free folder/message structure          */
 222
 223     context_save ();            /* save the global context file           */
 224     unlink (tmpfilenam);        /* remove temporary file                  */
 225     tmpfilenam = NULL;
 226
 227     done (0);
 228     return 1;
 229 }
 230
 231 /*
 232  * Clean up and exit
 233  */
 234 static void
 235 unlink_done(int status)
 236 {
 237     if (tmpfilenam && *tmpfilenam)
 238         unlink (tmpfilenam);
 239     exit (status);
 240 }