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

   1
   2 /*
   3  * rcvstore.c -- asynchronously add mail to a folder
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9 #include <fcntl.h>
  10 #include <h/signals.h>
  11 #include <errno.h>
  12 #include <signal.h>
  13 #include <zotnet/mts/mts.h>
  14
  15 static struct swit switches[] = {
  16 #define CRETSW         0
  17     { "create", 0 },
  18 #define NCRETSW        1
  19     { "nocreate", 0 },
  20 #define UNSEENSW       2
  21     { "unseen", 0 },
  22 #define NUNSEENSW      3
  23     { "nounseen", 0 },
  24 #define PUBSW          4
  25     { "public", 0 },
  26 #define NPUBSW         5
  27     { "nopublic",  0 },
  28 #define ZEROSW         6
  29     { "zero",   0 },
  30 #define NZEROSW        7
  31     { "nozero", 0 },
  32 #define SEQSW          8
  33     { "sequence name", 0 },
  34 #define VERSIONSW      9
  35     { "version", 0 },
  36 #define HELPSW        10
  37     { "help", 0 },
  38     { NULL, 0 }
  39 };
  40
  41 extern int errno;
  42
  43 /*
  44  * name of temporary file to store incoming message
  45  */
  46 static char *tmpfilenam = NULL;
  47
  48
  49 int
  50 main (int argc, char **argv)
  51 {
  52     int publicsw = -1, zerosw = 0;
  53     int create = 1, unseensw = 1;
  54     int fd, msgnum, seqp = 0;
  55     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  56     char **argp, **arguments, *seqs[NUMATTRS+1];
  57     struct msgs *mp;
  58     struct stat st;
  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 (1);
  87             case VERSIONSW:
  88                 print_version(invo_name);
  89                 done (1);
  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 = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
 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_scratch ("", invo_name);
 171     if ((fd = creat (tmpfilenam, m_gmprot ())) == NOTOK)
 172         adios (tmpfilenam, "unable to create");
 173     chmod (tmpfilenam, m_gmprot());
 174
 175     /* copy the message from stdin into temp file */
 176     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 177
 178     if (fstat (fd, &st) == NOTOK) {
 179         unlink (tmpfilenam);
 180         adios (tmpfilenam, "unable to fstat");
 181     }
 182     if (close (fd) == NOTOK)
 183         adios (tmpfilenam, "error closing");
 184
 185     /* don't add file if it is empty */
 186     if (st.st_size == 0) {
 187         unlink (tmpfilenam);
 188         advise (NULL, "empty file");
 189         done (0);
 190     }
 191
 192     /*
 193      * read folder and create message structure
 194      */
 195     if (!(mp = folder_read (folder)))
 196         adios (NULL, "unable to read folder %s", folder);
 197
 198     /*
 199      * Link message into folder, and possibly add
 200      * to the Unseen-Sequence's.
 201      */
 202     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0)) == -1)
 203         done (1);
 204
 205     /*
 206      * Add the message to any extra sequences
 207      * that have been specified.
 208      */
 209     for (seqp = 0; seqs[seqp]; seqp++) {
 210         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 211             done (1);
 212     }
 213
 214     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 215     seq_save (mp);              /* synchronize and save message sequences */
 216     folder_free (mp);           /* free folder/message structure          */
 217
 218     context_save ();            /* save the global context file           */
 219     unlink (tmpfilenam);        /* remove temporary file                  */
 220     tmpfilenam = NULL;
 221
 222     return done (0);
 223 }
 224
 225 /*
 226  * Clean up and exit
 227  */
 228 int
 229 done(int status)
 230 {
 231     if (tmpfilenam && *tmpfilenam)
 232         unlink (tmpfilenam);
 233     exit (status);
 234     return 1;  /* dead code to satisfy the compiler */
 235 }