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 <h/mts.h>
  14
  15 #define RCVSTORE_SWITCHES \
  16     X("create", 0, CRETSW) \
  17     X("nocreate", 0, NCRETSW) \
  18     X("unseen", 0, UNSEENSW) \
  19     X("nounseen", 0, NUNSEENSW) \
  20     X("public", 0, PUBSW) \
  21     X("nopublic", 0, NPUBSW) \
  22     X("zero", 0, ZEROSW) \
  23     X("nozero", 0, NZEROSW) \
  24     X("sequence name", 0, SEQSW) \
  25     X("version", 0, VERSIONSW) \
  26     X("help", 0, HELPSW) \
  27
  28 #define X(sw, minchars, id) id,
  29 DEFINE_SWITCH_ENUM(RCVSTORE);
  30 #undef X
  31
  32 #define X(sw, minchars, id) { sw, minchars, id },
  33 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  34 #undef X
  35
  36
  37 /*
  38  * name of temporary file to store incoming message
  39  */
  40 static char *tmpfilenam = NULL;
  41
  42 static void unlink_done(int) NORETURN;
  43
  44 int
  45 main (int argc, char **argv)
  46 {
  47     int publicsw = -1, zerosw = 0;
  48     int create = 1, unseensw = 1;
  49     int fd, msgnum;
  50     size_t seqp = 0;
  51     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  52     char **argp, **arguments;
  53     svector_t seqs = svector_create (0);
  54     struct msgs *mp;
  55     struct stat st;
  56
  57     if (nmh_init(argv[0], 2)) { return 1; }
  58
  59     done=unlink_done;
  60
  61     mts_init ();
  62     arguments = getarguments (invo_name, argc, argv, 1);
  63     argp = arguments;
  64
  65     /* parse arguments */
  66     while ((cp = *argp++)) {
  67         if (*cp == '-') {
  68             switch (smatch (++cp, switches)) {
  69             case AMBIGSW:
  70                 ambigsw (cp, switches);
  71                 done (1);
  72             case UNKWNSW:
  73                 adios (NULL, "-%s unknown", cp);
  74
  75             case HELPSW:
  76                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  77                           invo_name);
  78                 print_help (buf, switches, 1);
  79                 done (0);
  80             case VERSIONSW:
  81                 print_version(invo_name);
  82                 done (0);
  83
  84             case SEQSW:
  85                 if (!(cp = *argp++) || *cp == '-')
  86                     adios (NULL, "missing argument name to %s", argp[-2]);
  87
  88                 svector_push_back (seqs, cp);
  89                 seqp++;
  90                 continue;
  91
  92             case UNSEENSW:
  93                 unseensw = 1;
  94                 continue;
  95             case NUNSEENSW:
  96                 unseensw = 0;
  97                 continue;
  98
  99             case PUBSW:
 100                 publicsw = 1;
 101                 continue;
 102             case NPUBSW:
 103                 publicsw = 0;
 104                 continue;
 105
 106             case ZEROSW:
 107                 zerosw++;
 108                 continue;
 109             case NZEROSW:
 110                 zerosw = 0;
 111                 continue;
 112
 113             case CRETSW:
 114                 create++;
 115                 continue;
 116             case NCRETSW:
 117                 create = 0;
 118                 continue;
 119             }
 120         }
 121         if (*cp == '+' || *cp == '@') {
 122             if (folder)
 123                 adios (NULL, "only one folder at a time!");
 124             else
 125                 folder = pluspath (cp);
 126         } else {
 127             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 128         }
 129     }
 130
 131     if (!context_find ("path"))
 132         free (path ("./", TFOLDER));
 133
 134     /* if no folder is given, use default folder */
 135     if (!folder)
 136         folder = getfolder (0);
 137     maildir = m_maildir (folder);
 138
 139     /* check if folder exists */
 140     if (stat (maildir, &st) == NOTOK) {
 141         if (errno != ENOENT)
 142             adios (maildir, "error on folder");
 143         if (!create)
 144             adios (NULL, "folder %s doesn't exist", maildir);
 145         if (!makedir (maildir))
 146             adios (NULL, "unable to create folder %s", maildir);
 147     }
 148
 149     if (chdir (maildir) == NOTOK)
 150         adios (maildir, "unable to change directory to");
 151
 152     /* ignore a few signals */
 153     SIGNAL (SIGHUP, SIG_IGN);
 154     SIGNAL (SIGINT, SIG_IGN);
 155     SIGNAL (SIGQUIT, SIG_IGN);
 156     SIGNAL (SIGTERM, SIG_IGN);
 157
 158     /* create a temporary file */
 159     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 160     if (tmpfilenam == NULL) {
 161         adios(NULL, "unable to create temporary file in %s", get_temp_dir());
 162     }
 163     chmod (tmpfilenam, m_gmprot());
 164
 165     /* copy the message from stdin into temp file */
 166     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 167
 168     if (fstat (fd, &st) == NOTOK) {
 169         (void) m_unlink (tmpfilenam);
 170         adios (tmpfilenam, "unable to fstat");
 171     }
 172     if (close (fd) == NOTOK)
 173         adios (tmpfilenam, "error closing");
 174
 175     /* don't add file if it is empty */
 176     if (st.st_size == 0) {
 177         (void) m_unlink (tmpfilenam);
 178         advise (NULL, "empty file");
 179         done (0);
 180     }
 181
 182     /*
 183      * read folder and create message structure
 184      */
 185     if (!(mp = folder_read (folder, 1)))
 186         adios (NULL, "unable to read folder %s", folder);
 187
 188     /*
 189      * Link message into folder, and possibly add
 190      * to the Unseen-Sequence's.
 191      */
 192     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 193         done (1);
 194
 195     /*
 196      * Add the message to any extra sequences
 197      * that have been specified.
 198      */
 199     if (seqp) {
 200         /* The only reason that seqp was checked to be non-zero is in
 201            case a -nosequence switch is added. */
 202         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 203             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 204                              zerosw))
 205                 done (1);
 206         }
 207     }
 208
 209     svector_free (seqs);
 210     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 211     seq_save (mp);              /* synchronize and save message sequences */
 212     folder_free (mp);           /* free folder/message structure          */
 213
 214     context_save ();            /* save the global context file           */
 215     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 216     tmpfilenam = NULL;
 217
 218     done (0);
 219     return 1;
 220 }
 221
 222 /*
 223  * Clean up and exit
 224  */
 225 static void
 226 unlink_done(int status)
 227 {
 228     if (tmpfilenam && *tmpfilenam)
 229         (void) m_unlink (tmpfilenam);
 230     exit (status);
 231 }