git.marmaro.de Git - mmh/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 <errno.h>
  13 #include <signal.h>
  14 #include <h/mts.h>
  15
  16 static struct swit switches[] = {
  17 #define CRETSW  0
  18         { "create",   0 },
  19 #define NCRETSW  1
  20         { "nocreate", 0 },
  21 #define UNSEENSW  2
  22         { "unseen",   0 },
  23 #define NUNSEENSW  3
  24         { "nounseen", 0 },
  25 #define PUBSW  4
  26         { "public",   0 },
  27 #define NPUBSW  5
  28         { "nopublic", 0 },
  29 #define ZEROSW  6
  30         { "zero",     0 },
  31 #define NZEROSW  7
  32         { "nozero",   0 },
  33 #define SEQSW  8
  34         { "sequence name", 0 },
  35 #define VERSIONSW  9
  36         { "version", 0 },
  37 #define HELPSW  10
  38         { "help", 0 },
  39         { NULL, 0 }
  40 };
  41
  42
  43 /*
  44 ** name of temporary file to store incoming message
  45 */
  46 static char *tmpfilenam = NULL;
  47
  48 static void unlink_done(int) NORETURN;
  49
  50 int
  51 main(int argc, char **argv)
  52 {
  53         int publicsw = -1, zerosw = 0;
  54         int create = 1, unseensw = 1;
  55         int fd, msgnum, seqp = 0;
  56         char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  57         char **argp, **arguments, *seqs[NUMATTRS+1];
  58         struct msgs *mp;
  59         struct stat st;
  60
  61         done=unlink_done;
  62
  63 #ifdef LOCALE
  64         setlocale(LC_ALL, "");
  65 #endif
  66         invo_name = mhbasename(argv[0]);
  67
  68         /* read user profile/context */
  69         context_read();
  70
  71         mts_init(invo_name);
  72         arguments = getarguments(invo_name, argc, argv, 1);
  73         argp = arguments;
  74
  75         /* parse arguments */
  76         while ((cp = *argp++)) {
  77                 if (*cp == '-') {
  78                         switch (smatch(++cp, switches)) {
  79                         case AMBIGSW:
  80                                 ambigsw(cp, switches);
  81                                 done(1);
  82                         case UNKWNSW:
  83                                 adios(NULL, "-%s unknown", cp);
  84
  85                         case HELPSW:
  86                                 snprintf(buf, sizeof(buf),
  87                                                 "%s [+folder] [switches]",
  88                                                 invo_name);
  89                                 print_help(buf, switches, 1);
  90                                 done(1);
  91                         case VERSIONSW:
  92                                 print_version(invo_name);
  93                                 done(1);
  94
  95                         case SEQSW:
  96                                 if (!(cp = *argp++) || *cp == '-')
  97                                         adios(NULL, "missing argument name to %s", argp[-2]);
  98
  99                                 /* check if too many sequences specified */
 100                                 if (seqp >= NUMATTRS)
 101                                         adios(NULL, "too many sequences (more than %d) specified", NUMATTRS);
 102                                 seqs[seqp++] = cp;
 103                                 continue;
 104
 105                         case UNSEENSW:
 106                                 unseensw = 1;
 107                                 continue;
 108                         case NUNSEENSW:
 109                                 unseensw = 0;
 110                                 continue;
 111
 112                         case PUBSW:
 113                                 publicsw = 1;
 114                                 continue;
 115                         case NPUBSW:
 116                                 publicsw = 0;
 117                                 continue;
 118
 119                         case ZEROSW:
 120                                 zerosw++;
 121                                 continue;
 122                         case NZEROSW:
 123                                 zerosw = 0;
 124                                 continue;
 125
 126                         case CRETSW:
 127                                 create++;
 128                                 continue;
 129                         case NCRETSW:
 130                                 create = 0;
 131                                 continue;
 132                         }
 133                 }
 134                 if (*cp == '+' || *cp == '@') {
 135                         if (folder)
 136                                 adios(NULL, "only one folder at a time!");
 137                         else
 138                                 folder = getcpy(expandfol(cp));
 139                 } else {
 140                         adios(NULL, "usage: %s [+folder] [switches]",
 141                                         invo_name);
 142                 }
 143         }
 144
 145         seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 146
 147         /* if no folder is given, use default folder */
 148         if (!folder)
 149                 folder = getdeffol();
 150         maildir = toabsdir(folder);
 151
 152         /* check if folder exists */
 153         if (stat(maildir, &st) == NOTOK) {
 154                 if (errno != ENOENT)
 155                         adios(maildir, "error on folder");
 156                 if (!create)
 157                         adios(NULL, "folder %s doesn't exist", maildir);
 158                 if (!makedir(maildir))
 159                         adios(NULL, "unable to create folder %s", maildir);
 160         }
 161
 162         if (chdir(maildir) == NOTOK)
 163                 adios(maildir, "unable to change directory to");
 164
 165         /* ignore a few signals */
 166         SIGNAL(SIGHUP, SIG_IGN);
 167         SIGNAL(SIGINT, SIG_IGN);
 168         SIGNAL(SIGQUIT, SIG_IGN);
 169         SIGNAL(SIGTERM, SIG_IGN);
 170
 171         /* create a temporary file */
 172         tmpfilenam = m_mktemp(invo_name, &fd, NULL);
 173         if (tmpfilenam == NULL) {
 174                 adios("rcvstore", "unable to create temporary file");
 175         }
 176         chmod(tmpfilenam, m_gmprot());
 177
 178         /* copy the message from stdin into temp file */
 179         cpydata(fileno(stdin), fd, "standard input", tmpfilenam);
 180
 181         if (fstat(fd, &st) == NOTOK) {
 182                 unlink(tmpfilenam);
 183                 adios(tmpfilenam, "unable to fstat");
 184         }
 185         if (close(fd) == NOTOK)
 186                 adios(tmpfilenam, "error closing");
 187
 188         /* don't add file if it is empty */
 189         if (st.st_size == 0) {
 190                 unlink(tmpfilenam);
 191                 advise(NULL, "empty file");
 192                 done(0);
 193         }
 194
 195         /*
 196         ** read folder and create message structure
 197         */
 198         if (!(mp = folder_read(folder)))
 199                 adios(NULL, "unable to read folder %s", folder);
 200
 201         /*
 202         ** Link message into folder, and possibly add
 203         ** to the Unseen-Sequence's.
 204         */
 205         if ((msgnum = folder_addmsg(&mp, tmpfilenam, 0, unseensw, 0, 0,
 206                         (char *)0)) == -1)
 207                 done(1);
 208
 209         /*
 210         ** Add the message to any extra sequences
 211         ** that have been specified.
 212         */
 213         for (seqp = 0; seqs[seqp]; seqp++) {
 214                 if (!seq_addmsg(mp, seqs[seqp], msgnum, publicsw, zerosw))
 215                         done(1);
 216         }
 217
 218         seq_setunseen(mp, 0);  /* synchronize any Unseen-Sequence's */
 219         seq_save(mp);  /* synchronize and save message sequences */
 220         folder_free(mp);  /* free folder/message structure */
 221
 222         context_save();  /* save the global context file */
 223         unlink(tmpfilenam);  /* remove temporary file */
 224         tmpfilenam = NULL;
 225
 226         done(0);
 227         return 1;
 228 }
 229
 230 /*
 231 ** Clean up and exit
 232 */
 233 static void
 234 unlink_done(int status)
 235 {
 236         if (tmpfilenam && *tmpfilenam)
 237                 unlink(tmpfilenam);
 238         exit(status);
 239 }