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 static void unlink_done(int) NORETURN;
  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     done=unlink_done;
  65
  66 #ifdef LOCALE
  67     setlocale(LC_ALL, "");
  68 #endif
  69     invo_name = r1bindex (argv[0], '/');
  70
  71     /* read user profile/context */
  72     context_read();
  73
  74     mts_init (invo_name);
  75     arguments = getarguments (invo_name, argc, argv, 1);
  76     argp = arguments;
  77
  78     /* parse arguments */
  79     while ((cp = *argp++)) {
  80         if (*cp == '-') {
  81             switch (smatch (++cp, switches)) {
  82             case AMBIGSW:
  83                 ambigsw (cp, switches);
  84                 done (1);
  85             case UNKWNSW:
  86                 adios (NULL, "-%s unknown", cp);
  87
  88             case HELPSW:
  89                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  90                           invo_name);
  91                 print_help (buf, switches, 1);
  92                 done (1);
  93             case VERSIONSW:
  94                 print_version(invo_name);
  95                 done (1);
  96
  97             case SEQSW:
  98                 if (!(cp = *argp++) || *cp == '-')
  99                     adios (NULL, "missing argument name to %s", argp[-2]);
 100
 101                 /* check if too many sequences specified */
 102                 if (seqp >= NUMATTRS)
 103                     adios (NULL, "too many sequences (more than %d) specified", NUMATTRS);
 104                 seqs[seqp++] = cp;
 105                 continue;
 106
 107             case UNSEENSW:
 108                 unseensw = 1;
 109                 continue;
 110             case NUNSEENSW:
 111                 unseensw = 0;
 112                 continue;
 113
 114             case PUBSW:
 115                 publicsw = 1;
 116                 continue;
 117             case NPUBSW:
 118                 publicsw = 0;
 119                 continue;
 120
 121             case ZEROSW:
 122                 zerosw++;
 123                 continue;
 124             case NZEROSW:
 125                 zerosw = 0;
 126                 continue;
 127
 128             case CRETSW:
 129                 create++;
 130                 continue;
 131             case NCRETSW:
 132                 create = 0;
 133                 continue;
 134             }
 135         }
 136         if (*cp == '+' || *cp == '@') {
 137             if (folder)
 138                 adios (NULL, "only one folder at a time!");
 139             else
 140                 folder = pluspath (cp);
 141         } else {
 142             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 143         }
 144     }
 145
 146     seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 147
 148     if (!context_find ("path"))
 149         free (path ("./", TFOLDER));
 150
 151     /* if no folder is given, use default folder */
 152     if (!folder)
 153         folder = getfolder (0);
 154     maildir = m_maildir (folder);
 155
 156     /* check if folder exists */
 157     if (stat (maildir, &st) == NOTOK) {
 158         if (errno != ENOENT)
 159             adios (maildir, "error on folder");
 160         if (!create)
 161             adios (NULL, "folder %s doesn't exist", maildir);
 162         if (!makedir (maildir))
 163             adios (NULL, "unable to create folder %s", maildir);
 164     }
 165
 166     if (chdir (maildir) == NOTOK)
 167         adios (maildir, "unable to change directory to");
 168
 169     /* ignore a few signals */
 170     SIGNAL (SIGHUP, SIG_IGN);
 171     SIGNAL (SIGINT, SIG_IGN);
 172     SIGNAL (SIGQUIT, SIG_IGN);
 173     SIGNAL (SIGTERM, SIG_IGN);
 174
 175     /* create a temporary file */
 176     tmpfilenam = m_scratch ("", invo_name);
 177     if ((fd = creat (tmpfilenam, m_gmprot ())) == NOTOK)
 178         adios (tmpfilenam, "unable to create");
 179     chmod (tmpfilenam, m_gmprot());
 180
 181     /* copy the message from stdin into temp file */
 182     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 183
 184     if (fstat (fd, &st) == NOTOK) {
 185         unlink (tmpfilenam);
 186         adios (tmpfilenam, "unable to fstat");
 187     }
 188     if (close (fd) == NOTOK)
 189         adios (tmpfilenam, "error closing");
 190
 191     /* don't add file if it is empty */
 192     if (st.st_size == 0) {
 193         unlink (tmpfilenam);
 194         advise (NULL, "empty file");
 195         done (0);
 196     }
 197
 198     /*
 199      * read folder and create message structure
 200      */
 201     if (!(mp = folder_read (folder)))
 202         adios (NULL, "unable to read folder %s", folder);
 203
 204     /*
 205      * Link message into folder, and possibly add
 206      * to the Unseen-Sequence's.
 207      */
 208     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 209         done (1);
 210
 211     /*
 212      * Add the message to any extra sequences
 213      * that have been specified.
 214      */
 215     for (seqp = 0; seqs[seqp]; seqp++) {
 216         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 217             done (1);
 218     }
 219
 220     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 221     seq_save (mp);              /* synchronize and save message sequences */
 222     folder_free (mp);           /* free folder/message structure          */
 223
 224     context_save ();            /* save the global context file           */
 225     unlink (tmpfilenam);        /* remove temporary file                  */
 226     tmpfilenam = NULL;
 227
 228     done (0);
 229     return 1;
 230 }
 231
 232 /*
 233  * Clean up and exit
 234  */
 235 static void
 236 unlink_done(int status)
 237 {
 238     if (tmpfilenam && *tmpfilenam)
 239         unlink (tmpfilenam);
 240     exit (status);
 241 }