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

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