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
  46 /*
  47  * name of temporary file to store incoming message
  48  */
  49 static char *tmpfilenam = NULL;
  50
  51
  52 int
  53 main (int argc, char **argv)
  54 {
  55     int publicsw = -1, zerosw = 0;
  56     int create = 1, unseensw = 1;
  57     int fd, msgnum, seqp = 0;
  58     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  59     char **argp, **arguments, *seqs[NUMATTRS+1];
  60     struct msgs *mp;
  61     struct stat st;
  62
  63 #ifdef LOCALE
  64     setlocale(LC_ALL, "");
  65 #endif
  66     invo_name = r1bindex (argv[0], '/');
  67
  68     /* read user profile/context */
  69     context_read();
  70
  71     mts_init (invo_name);
  72     arguments = getarguments (invo_name, argc, argv, 1);
  73     argp = arguments;
  74
  75     /* parse arguments */
  76     while ((cp = *argp++)) {
  77         if (*cp == '-') {
  78             switch (smatch (++cp, switches)) {
  79             case AMBIGSW:
  80                 ambigsw (cp, switches);
  81                 done (1);
  82             case UNKWNSW:
  83                 adios (NULL, "-%s unknown", cp);
  84
  85             case HELPSW:
  86                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  87                           invo_name);
  88                 print_help (buf, switches, 1);
  89                 done (1);
  90             case VERSIONSW:
  91                 print_version(invo_name);
  92                 done (1);
  93
  94             case SEQSW:
  95                 if (!(cp = *argp++) || *cp == '-')
  96                     adios (NULL, "missing argument name to %s", argp[-2]);
  97
  98                 /* check if too many sequences specified */
  99                 if (seqp >= NUMATTRS)
 100                     adios (NULL, "too many sequences (more than %d) specified", NUMATTRS);
 101                 seqs[seqp++] = cp;
 102                 continue;
 103
 104             case UNSEENSW:
 105                 unseensw = 1;
 106                 continue;
 107             case NUNSEENSW:
 108                 unseensw = 0;
 109                 continue;
 110
 111             case PUBSW:
 112                 publicsw = 1;
 113                 continue;
 114             case NPUBSW:
 115                 publicsw = 0;
 116                 continue;
 117
 118             case ZEROSW:
 119                 zerosw++;
 120                 continue;
 121             case NZEROSW:
 122                 zerosw = 0;
 123                 continue;
 124
 125             case CRETSW:
 126                 create++;
 127                 continue;
 128             case NCRETSW:
 129                 create = 0;
 130                 continue;
 131             }
 132         }
 133         if (*cp == '+' || *cp == '@') {
 134             if (folder)
 135                 adios (NULL, "only one folder at a time!");
 136             else
 137                 folder = pluspath (cp);
 138         } else {
 139             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 140         }
 141     }
 142
 143     seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 144
 145     if (!context_find ("path"))
 146         free (path ("./", TFOLDER));
 147
 148     /* if no folder is given, use default folder */
 149     if (!folder)
 150         folder = getfolder (0);
 151     maildir = m_maildir (folder);
 152
 153     /* check if folder exists */
 154     if (stat (maildir, &st) == NOTOK) {
 155         if (errno != ENOENT)
 156             adios (maildir, "error on folder");
 157         if (!create)
 158             adios (NULL, "folder %s doesn't exist", maildir);
 159         if (!makedir (maildir))
 160             adios (NULL, "unable to create folder %s", maildir);
 161     }
 162
 163     if (chdir (maildir) == NOTOK)
 164         adios (maildir, "unable to change directory to");
 165
 166     /* ignore a few signals */
 167     SIGNAL (SIGHUP, SIG_IGN);
 168     SIGNAL (SIGINT, SIG_IGN);
 169     SIGNAL (SIGQUIT, SIG_IGN);
 170     SIGNAL (SIGTERM, SIG_IGN);
 171
 172     /* create a temporary file */
 173     tmpfilenam = m_scratch ("", invo_name);
 174     if ((fd = creat (tmpfilenam, m_gmprot ())) == NOTOK)
 175         adios (tmpfilenam, "unable to create");
 176     chmod (tmpfilenam, m_gmprot());
 177
 178     /* copy the message from stdin into temp file */
 179     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 180
 181     if (fstat (fd, &st) == NOTOK) {
 182         unlink (tmpfilenam);
 183         adios (tmpfilenam, "unable to fstat");
 184     }
 185     if (close (fd) == NOTOK)
 186         adios (tmpfilenam, "error closing");
 187
 188     /* don't add file if it is empty */
 189     if (st.st_size == 0) {
 190         unlink (tmpfilenam);
 191         advise (NULL, "empty file");
 192         done (0);
 193     }
 194
 195     /*
 196      * read folder and create message structure
 197      */
 198     if (!(mp = folder_read (folder)))
 199         adios (NULL, "unable to read folder %s", folder);
 200
 201     /*
 202      * Link message into folder, and possibly add
 203      * to the Unseen-Sequence's.
 204      */
 205     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 206         done (1);
 207
 208     /*
 209      * Add the message to any extra sequences
 210      * that have been specified.
 211      */
 212     for (seqp = 0; seqs[seqp]; seqp++) {
 213         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 214             done (1);
 215     }
 216
 217     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 218     seq_save (mp);              /* synchronize and save message sequences */
 219     folder_free (mp);           /* free folder/message structure          */
 220
 221     context_save ();            /* save the global context file           */
 222     unlink (tmpfilenam);        /* remove temporary file                  */
 223     tmpfilenam = NULL;
 224
 225     return done (0);
 226 }
 227
 228 /*
 229  * Clean up and exit
 230  */
 231 int
 232 done(int status)
 233 {
 234     if (tmpfilenam && *tmpfilenam)
 235         unlink (tmpfilenam);
 236     exit (status);
 237     return 1;  /* dead code to satisfy the compiler */
 238 }