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