diplodocus.org Git - nmh/blob - uip/rcvstore.c

   1 /*
   2  * rcvstore.c -- asynchronously add mail to a folder
   3  *
   4  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   5  * COPYRIGHT file in the root directory of the nmh distribution for
   6  * complete copyright information.
   7  */
   8
   9 #include <h/mh.h>
  10 #include <fcntl.h>
  11 #include <h/signals.h>
  12 #include <h/mts.h>
  13
  14 #define RCVSTORE_SWITCHES \
  15     X("create", 0, CRETSW) \
  16     X("nocreate", 0, NCRETSW) \
  17     X("unseen", 0, UNSEENSW) \
  18     X("nounseen", 0, NUNSEENSW) \
  19     X("public", 0, PUBSW) \
  20     X("nopublic", 0, NPUBSW) \
  21     X("zero", 0, ZEROSW) \
  22     X("nozero", 0, NZEROSW) \
  23     X("sequence name", 0, SEQSW) \
  24     X("version", 0, VERSIONSW) \
  25     X("help", 0, HELPSW) \
  26
  27 #define X(sw, minchars, id) id,
  28 DEFINE_SWITCH_ENUM(RCVSTORE);
  29 #undef X
  30
  31 #define X(sw, minchars, id) { sw, minchars, id },
  32 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  33 #undef X
  34
  35
  36 /*
  37  * name of temporary file to store incoming message
  38  */
  39 static char *tmpfilenam = NULL;
  40
  41 static void unlink_done(int) NORETURN;
  42
  43 int
  44 main (int argc, char **argv)
  45 {
  46     int publicsw = -1, zerosw = 0;
  47     int create = 1, unseensw = 1;
  48     int fd, msgnum;
  49     size_t seqp = 0;
  50     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  51     char **argp, **arguments;
  52     svector_t seqs = svector_create (0);
  53     struct msgs *mp;
  54     struct stat st;
  55
  56     if (nmh_init(argv[0], 2)) { return 1; }
  57
  58     done=unlink_done;
  59
  60     mts_init ();
  61     arguments = getarguments (invo_name, argc, argv, 1);
  62     argp = arguments;
  63
  64     /* parse arguments */
  65     while ((cp = *argp++)) {
  66         if (*cp == '-') {
  67             switch (smatch (++cp, switches)) {
  68             case AMBIGSW:
  69                 ambigsw (cp, switches);
  70                 done (1);
  71             case UNKWNSW:
  72                 adios (NULL, "-%s unknown", cp);
  73
  74             case HELPSW:
  75                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  76                           invo_name);
  77                 print_help (buf, switches, 1);
  78                 done (0);
  79             case VERSIONSW:
  80                 print_version(invo_name);
  81                 done (0);
  82
  83             case SEQSW:
  84                 if (!(cp = *argp++) || *cp == '-')
  85                     adios (NULL, "missing argument name to %s", argp[-2]);
  86
  87                 svector_push_back (seqs, cp);
  88                 seqp++;
  89                 continue;
  90
  91             case UNSEENSW:
  92                 unseensw = 1;
  93                 continue;
  94             case NUNSEENSW:
  95                 unseensw = 0;
  96                 continue;
  97
  98             case PUBSW:
  99                 publicsw = 1;
 100                 continue;
 101             case NPUBSW:
 102                 publicsw = 0;
 103                 continue;
 104
 105             case ZEROSW:
 106                 zerosw++;
 107                 continue;
 108             case NZEROSW:
 109                 zerosw = 0;
 110                 continue;
 111
 112             case CRETSW:
 113                 create++;
 114                 continue;
 115             case NCRETSW:
 116                 create = 0;
 117                 continue;
 118             }
 119         }
 120         if (*cp == '+' || *cp == '@') {
 121             if (folder)
 122                 adios (NULL, "only one folder at a time!");
 123             else
 124                 folder = pluspath (cp);
 125         } else {
 126             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 127         }
 128     }
 129
 130     if (!context_find ("path"))
 131         free (path ("./", TFOLDER));
 132
 133     /* if no folder is given, use default folder */
 134     if (!folder)
 135         folder = getfolder (0);
 136     maildir = m_maildir (folder);
 137
 138     /* check if folder exists */
 139     if (stat (maildir, &st) == NOTOK) {
 140         if (errno != ENOENT)
 141             adios (maildir, "error on folder");
 142         if (!create)
 143             adios (NULL, "folder %s doesn't exist", maildir);
 144         if (!makedir (maildir))
 145             adios (NULL, "unable to create folder %s", maildir);
 146     }
 147
 148     if (chdir (maildir) == NOTOK)
 149         adios (maildir, "unable to change directory to");
 150
 151     /* ignore a few signals */
 152     SIGNAL (SIGHUP, SIG_IGN);
 153     SIGNAL (SIGINT, SIG_IGN);
 154     SIGNAL (SIGQUIT, SIG_IGN);
 155     SIGNAL (SIGTERM, SIG_IGN);
 156
 157     /* create a temporary file */
 158     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 159     if (tmpfilenam == NULL) {
 160         adios(NULL, "unable to create temporary file in %s", get_temp_dir());
 161     }
 162     chmod (tmpfilenam, m_gmprot());
 163
 164     /* copy the message from stdin into temp file */
 165     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 166
 167     if (fstat (fd, &st) == NOTOK) {
 168         (void) m_unlink (tmpfilenam);
 169         adios (tmpfilenam, "unable to fstat");
 170     }
 171     if (close (fd) == NOTOK)
 172         adios (tmpfilenam, "error closing");
 173
 174     /* don't add file if it is empty */
 175     if (st.st_size == 0) {
 176         (void) m_unlink (tmpfilenam);
 177         inform("empty file");
 178         done (0);
 179     }
 180
 181     /*
 182      * read folder and create message structure
 183      */
 184     if (!(mp = folder_read (folder, 1)))
 185         adios (NULL, "unable to read folder %s", folder);
 186
 187     /*
 188      * Link message into folder, and possibly add
 189      * to the Unseen-Sequence's.
 190      */
 191     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 192         done (1);
 193
 194     /*
 195      * Add the message to any extra sequences
 196      * that have been specified.
 197      */
 198     if (seqp) {
 199         /* The only reason that seqp was checked to be non-zero is in
 200            case a -nosequence switch is added. */
 201         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 202             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 203                              zerosw))
 204                 done (1);
 205         }
 206     }
 207
 208     svector_free (seqs);
 209     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 210     seq_save (mp);              /* synchronize and save message sequences */
 211     folder_free (mp);           /* free folder/message structure          */
 212
 213     context_save ();            /* save the global context file           */
 214     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 215     tmpfilenam = NULL;
 216
 217     done (0);
 218     return 1;
 219 }
 220
 221 /*
 222  * Clean up and exit
 223  */
 224 static void
 225 unlink_done(int status)
 226 {
 227     if (tmpfilenam && *tmpfilenam)
 228         (void) m_unlink (tmpfilenam);
 229     exit (status);
 230 }