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, *seqs[NUMATTRS+1];
  55     struct msgs *mp;
  56     struct stat st;
  57
  58     done=unlink_done;
  59
  60 #ifdef LOCALE
  61     setlocale(LC_ALL, "");
  62 #endif
  63     invo_name = r1bindex (argv[0], '/');
  64
  65     /* read user profile/context */
  66     context_read();
  67
  68     mts_init (invo_name);
  69     arguments = getarguments (invo_name, argc, argv, 1);
  70     argp = arguments;
  71
  72     /* parse arguments */
  73     while ((cp = *argp++)) {
  74         if (*cp == '-') {
  75             switch (smatch (++cp, switches)) {
  76             case AMBIGSW:
  77                 ambigsw (cp, switches);
  78                 done (1);
  79             case UNKWNSW:
  80                 adios (NULL, "-%s unknown", cp);
  81
  82             case HELPSW:
  83                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  84                           invo_name);
  85                 print_help (buf, switches, 1);
  86                 done (0);
  87             case VERSIONSW:
  88                 print_version(invo_name);
  89                 done (0);
  90
  91             case SEQSW:
  92                 if (!(cp = *argp++) || *cp == '-')
  93                     adios (NULL, "missing argument name to %s", argp[-2]);
  94
  95                 /* check if too many sequences specified */
  96                 if (seqp >= NUMATTRS)
  97                     adios (NULL, "too many sequences (more than %d) specified", NUMATTRS);
  98                 seqs[seqp++] = cp;
  99                 continue;
 100
 101             case UNSEENSW:
 102                 unseensw = 1;
 103                 continue;
 104             case NUNSEENSW:
 105                 unseensw = 0;
 106                 continue;
 107
 108             case PUBSW:
 109                 publicsw = 1;
 110                 continue;
 111             case NPUBSW:
 112                 publicsw = 0;
 113                 continue;
 114
 115             case ZEROSW:
 116                 zerosw++;
 117                 continue;
 118             case NZEROSW:
 119                 zerosw = 0;
 120                 continue;
 121
 122             case CRETSW:
 123                 create++;
 124                 continue;
 125             case NCRETSW:
 126                 create = 0;
 127                 continue;
 128             }
 129         }
 130         if (*cp == '+' || *cp == '@') {
 131             if (folder)
 132                 adios (NULL, "only one folder at a time!");
 133             else
 134                 folder = pluspath (cp);
 135         } else {
 136             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 137         }
 138     }
 139
 140     seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 141
 142     if (!context_find ("path"))
 143         free (path ("./", TFOLDER));
 144
 145     /* if no folder is given, use default folder */
 146     if (!folder)
 147         folder = getfolder (0);
 148     maildir = m_maildir (folder);
 149
 150     /* check if folder exists */
 151     if (stat (maildir, &st) == NOTOK) {
 152         if (errno != ENOENT)
 153             adios (maildir, "error on folder");
 154         if (!create)
 155             adios (NULL, "folder %s doesn't exist", maildir);
 156         if (!makedir (maildir))
 157             adios (NULL, "unable to create folder %s", maildir);
 158     }
 159
 160     if (chdir (maildir) == NOTOK)
 161         adios (maildir, "unable to change directory to");
 162
 163     /* ignore a few signals */
 164     SIGNAL (SIGHUP, SIG_IGN);
 165     SIGNAL (SIGINT, SIG_IGN);
 166     SIGNAL (SIGQUIT, SIG_IGN);
 167     SIGNAL (SIGTERM, SIG_IGN);
 168
 169     /* create a temporary file */
 170     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 171     if (tmpfilenam == NULL) {
 172         adios ("rcvstore", "unable to create temporary file");
 173     }
 174     chmod (tmpfilenam, m_gmprot());
 175
 176     /* copy the message from stdin into temp file */
 177     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 178
 179     if (fstat (fd, &st) == NOTOK) {
 180         unlink (tmpfilenam);
 181         adios (tmpfilenam, "unable to fstat");
 182     }
 183     if (close (fd) == NOTOK)
 184         adios (tmpfilenam, "error closing");
 185
 186     /* don't add file if it is empty */
 187     if (st.st_size == 0) {
 188         unlink (tmpfilenam);
 189         advise (NULL, "empty file");
 190         done (0);
 191     }
 192
 193     /*
 194      * read folder and create message structure
 195      */
 196     if (!(mp = folder_read (folder)))
 197         adios (NULL, "unable to read folder %s", folder);
 198
 199     /*
 200      * Link message into folder, and possibly add
 201      * to the Unseen-Sequence's.
 202      */
 203     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, (char *)0)) == -1)
 204         done (1);
 205
 206     /*
 207      * Add the message to any extra sequences
 208      * that have been specified.
 209      */
 210     for (seqp = 0; seqs[seqp]; seqp++) {
 211         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 212             done (1);
 213     }
 214
 215     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 216     seq_save (mp);              /* synchronize and save message sequences */
 217     folder_free (mp);           /* free folder/message structure          */
 218
 219     context_save ();            /* save the global context file           */
 220     unlink (tmpfilenam);        /* remove temporary file                  */
 221     tmpfilenam = NULL;
 222
 223     done (0);
 224     return 1;
 225 }
 226
 227 /*
 228  * Clean up and exit
 229  */
 230 static void
 231 unlink_done(int status)
 232 {
 233     if (tmpfilenam && *tmpfilenam)
 234         unlink (tmpfilenam);
 235     exit (status);
 236 }