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
  14 static struct swit switches[] = {
  15 #define CRETSW         0
  16     { "create", 0 },
  17 #define NCRETSW        1
  18     { "nocreate", 0 },
  19 #define UNSEENSW       2
  20     { "unseen", 0 },
  21 #define NUNSEENSW      3
  22     { "nounseen", 0 },
  23 #define PUBSW          4
  24     { "public", 0 },
  25 #define NPUBSW         5
  26     { "nopublic",  0 },
  27 #define ZEROSW         6
  28     { "zero",   0 },
  29 #define NZEROSW        7
  30     { "nozero", 0 },
  31 #define SEQSW          8
  32     { "sequence name", 0 },
  33 #define VERSIONSW      9
  34     { "version", 0 },
  35 #define HELPSW        10
  36     { "help", 4 },
  37     { NULL, 0 }
  38 };
  39
  40 extern int errno;
  41
  42 /*
  43  * name of temporary file to store incoming message
  44  */
  45 static char *tmpfilenam = NULL;
  46
  47
  48 int
  49 main (int argc, char **argv)
  50 {
  51     int publicsw = -1, zerosw = 0;
  52     int create = 1, unseensw = 1;
  53     int fd, msgnum, seqp = 0;
  54     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  55     char **argp, **arguments, *seqs[NUMATTRS+1];
  56     struct msgs *mp;
  57     struct stat st;
  58
  59 #ifdef LOCALE
  60     setlocale(LC_ALL, "");
  61 #endif
  62     invo_name = r1bindex (argv[0], '/');
  63
  64     /* read user profile/context */
  65     context_read();
  66
  67     mts_init (invo_name);
  68     arguments = getarguments (invo_name, argc, argv, 1);
  69     argp = arguments;
  70
  71     /* parse arguments */
  72     while ((cp = *argp++)) {
  73         if (*cp == '-') {
  74             switch (smatch (++cp, switches)) {
  75             case AMBIGSW:
  76                 ambigsw (cp, switches);
  77                 done (1);
  78             case UNKWNSW:
  79                 adios (NULL, "-%s unknown", cp);
  80
  81             case HELPSW:
  82                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  83                           invo_name);
  84                 print_help (buf, switches, 1);
  85                 done (1);
  86             case VERSIONSW:
  87                 print_version(invo_name);
  88                 done (1);
  89
  90             case SEQSW:
  91                 if (!(cp = *argp++) || *cp == '-')
  92                     adios (NULL, "missing argument name to %s", argp[-2]);
  93
  94                 /* check if too many sequences specified */
  95                 if (seqp >= NUMATTRS)
  96                     adios (NULL, "too many sequences (more than %d) specified", NUMATTRS);
  97                 seqs[seqp++] = cp;
  98                 continue;
  99
 100             case UNSEENSW:
 101                 unseensw = 1;
 102                 continue;
 103             case NUNSEENSW:
 104                 unseensw = 0;
 105                 continue;
 106
 107             case PUBSW:
 108                 publicsw = 1;
 109                 continue;
 110             case NPUBSW:
 111                 publicsw = 0;
 112                 continue;
 113
 114             case ZEROSW:
 115                 zerosw++;
 116                 continue;
 117             case NZEROSW:
 118                 zerosw = 0;
 119                 continue;
 120
 121             case CRETSW:
 122                 create++;
 123                 continue;
 124             case NCRETSW:
 125                 create = 0;
 126                 continue;
 127             }
 128         }
 129         if (*cp == '+' || *cp == '@') {
 130             if (folder)
 131                 adios (NULL, "only one folder at a time!");
 132             else
 133                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
 134         } else {
 135             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
 136         }
 137     }
 138
 139     seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 140
 141     if (!context_find ("path"))
 142         free (path ("./", TFOLDER));
 143
 144     /* if no folder is given, use default folder */
 145     if (!folder)
 146         folder = getfolder (0);
 147     maildir = m_maildir (folder);
 148
 149     /* check if folder exists */
 150     if (stat (maildir, &st) == NOTOK) {
 151         if (errno != ENOENT)
 152             adios (maildir, "error on folder");
 153         if (!create)
 154             adios (NULL, "folder %s doesn't exist", maildir);
 155         if (!makedir (maildir))
 156             adios (NULL, "unable to create folder %s", maildir);
 157     }
 158
 159     if (chdir (maildir) == NOTOK)
 160         adios (maildir, "unable to change directory to");
 161
 162     /* ignore a few signals */
 163     SIGNAL (SIGHUP, SIG_IGN);
 164     SIGNAL (SIGINT, SIG_IGN);
 165     SIGNAL (SIGQUIT, SIG_IGN);
 166     SIGNAL (SIGTERM, SIG_IGN);
 167
 168     /* create a temporary file */
 169     tmpfilenam = m_scratch ("", invo_name);
 170     if ((fd = creat (tmpfilenam, m_gmprot ())) == NOTOK)
 171         adios (tmpfilenam, "unable to create");
 172     chmod (tmpfilenam, m_gmprot());
 173
 174     /* copy the message from stdin into temp file */
 175     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 176
 177     if (fstat (fd, &st) == NOTOK) {
 178         unlink (tmpfilenam);
 179         adios (tmpfilenam, "unable to fstat");
 180     }
 181     if (close (fd) == NOTOK)
 182         adios (tmpfilenam, "error closing");
 183
 184     /* don't add file if it is empty */
 185     if (st.st_size == 0) {
 186         unlink (tmpfilenam);
 187         advise (NULL, "empty file");
 188         done (0);
 189     }
 190
 191     /*
 192      * read folder and create message structure
 193      */
 194     if (!(mp = folder_read (folder)))
 195         adios (NULL, "unable to read folder %s", folder);
 196
 197     /*
 198      * Link message into folder, and possibly add
 199      * to the Unseen-Sequence's.
 200      */
 201     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0)) == -1)
 202         done (1);
 203
 204     /*
 205      * Add the message to any extra sequences
 206      * that have been specified.
 207      */
 208     for (seqp = 0; seqs[seqp]; seqp++) {
 209         if (!seq_addmsg (mp, seqs[seqp], msgnum, publicsw, zerosw))
 210             done (1);
 211     }
 212
 213     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 214     seq_save (mp);              /* synchronize and save message sequences */
 215     folder_free (mp);           /* free folder/message structure          */
 216
 217     context_save ();            /* save the global context file           */
 218     unlink (tmpfilenam);        /* remove temporary file                  */
 219     tmpfilenam = NULL;
 220
 221     return done (0);
 222 }
 223
 224 /*
 225  * Clean up and exit
 226  */
 227 int
 228 done(int status)
 229 {
 230     if (tmpfilenam && *tmpfilenam)
 231         unlink (tmpfilenam);
 232     exit (status);
 233     return 1;  /* dead code to satisfy the compiler */
 234 }