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 <unistd.h>
  15 #include <sys/stat.h>
  16 #include <locale.h>
  17 #include <sysexits.h>
  18
  19 static struct swit switches[] = {
  20 #define CRETSW  0
  21         { "create",   0 },
  22 #define NCRETSW  1
  23         { "nocreate", 2 },
  24 #define UNSEENSW  2
  25         { "unseen",   0 },
  26 #define NUNSEENSW  3
  27         { "nounseen", 2 },
  28 #define PUBSW  4
  29         { "public",   0 },
  30 #define NPUBSW  5
  31         { "nopublic", 2 },
  32 #define ZEROSW  6
  33         { "zero",     0 },
  34 #define NZEROSW  7
  35         { "nozero",   2 },
  36 #define SEQSW  8
  37         { "sequence name", 0 },
  38 #define VERSIONSW  9
  39         { "Version", 0 },
  40 #define HELPSW  10
  41         { "help", 0 },
  42         { NULL, 0 }
  43 };
  44
  45
  46 /*
  47 ** name of temporary file to store incoming message
  48 */
  49 static char *tmpfilenam = NULL;
  50
  51 void unlink_done();
  52
  53 int
  54 main(int argc, char **argv)
  55 {
  56         int publicsw = -1, zerosw = 0;
  57         int create = 1, unseensw = 1;
  58         int fd, msgnum;
  59         size_t seqp = 0;
  60         char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  61         char **argp, **arguments, *seqs[NUMATTRS+1];
  62         struct msgs *mp;
  63         struct stat st;
  64
  65         if (atexit(unlink_done) != 0) {
  66                 adios(EX_OSERR, NULL, "atexit failed");
  67         }
  68
  69         setlocale(LC_ALL, "");
  70         invo_name = mhbasename(argv[0]);
  71
  72         /* read user profile/context */
  73         context_read();
  74
  75         arguments = getarguments(invo_name, argc, argv, 1);
  76         argp = arguments;
  77
  78         /* parse arguments */
  79         while ((cp = *argp++)) {
  80                 if (*cp == '-') {
  81                         switch (smatch(++cp, switches)) {
  82                         case AMBIGSW:
  83                                 ambigsw(cp, switches);
  84                                 exit(EX_USAGE);
  85                         case UNKWNSW:
  86                                 adios(EX_USAGE, NULL, "-%s unknown", cp);
  87
  88                         case HELPSW:
  89                                 snprintf(buf, sizeof(buf),
  90                                                 "%s [+folder] [switches]",
  91                                                 invo_name);
  92                                 print_help(buf, switches, 1);
  93                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  94                         case VERSIONSW:
  95                                 print_version(invo_name);
  96                                 exit(argc == 2 ? EX_OK : EX_USAGE);
  97
  98                         case SEQSW:
  99                                 if (!(cp = *argp++) || *cp == '-')
 100                                         adios(EX_USAGE, NULL, "missing argument name to %s", argp[-2]);
 101
 102                                 /* check if too many sequences specified */
 103                                 if (seqp >= NUMATTRS)
 104                                         adios(EX_USAGE, NULL, "too many sequences (more than %d) specified", NUMATTRS);
 105                                 seqs[seqp++] = cp;
 106                                 continue;
 107
 108                         case UNSEENSW:
 109                                 unseensw = 1;
 110                                 continue;
 111                         case NUNSEENSW:
 112                                 unseensw = 0;
 113                                 continue;
 114
 115                         case PUBSW:
 116                                 publicsw = 1;
 117                                 continue;
 118                         case NPUBSW:
 119                                 publicsw = 0;
 120                                 continue;
 121
 122                         case ZEROSW:
 123                                 zerosw++;
 124                                 continue;
 125                         case NZEROSW:
 126                                 zerosw = 0;
 127                                 continue;
 128
 129                         case CRETSW:
 130                                 create++;
 131                                 continue;
 132                         case NCRETSW:
 133                                 create = 0;
 134                                 continue;
 135                         }
 136                 }
 137                 if (*cp == '+' || *cp == '@') {
 138                         if (folder)
 139                                 adios(EX_USAGE, NULL, "only one folder at a time!");
 140                         else
 141                                 folder = getcpy(expandfol(cp));
 142                 } else {
 143                         adios(EX_USAGE, NULL, "usage: %s [+folder] [switches]",
 144                                         invo_name);
 145                 }
 146         }
 147
 148         seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 149
 150         /* if no folder is given, use default folder */
 151         if (!folder)
 152                 folder = getdeffol();
 153         maildir = toabsdir(folder);
 154
 155         /* check if folder exists */
 156         if (stat(maildir, &st) == NOTOK) {
 157                 if (errno != ENOENT)
 158                         adios(EX_IOERR, maildir, "error on folder");
 159                 if (!create)
 160                         adios(EX_USAGE, NULL, "folder %s doesn't exist", maildir);
 161                 if (!makedir(maildir))
 162                         adios(EX_CANTCREAT, NULL, "unable to create folder %s", maildir);
 163         }
 164
 165         if (chdir(maildir) == NOTOK)
 166                 adios(EX_OSERR, maildir, "unable to change directory to");
 167
 168         /* ignore a few signals */
 169         SIGNAL(SIGHUP, SIG_IGN);
 170         SIGNAL(SIGINT, SIG_IGN);
 171         SIGNAL(SIGQUIT, SIG_IGN);
 172         SIGNAL(SIGTERM, SIG_IGN);
 173
 174         /* create a temporary file */
 175         tmpfilenam = m_mktemp(invo_name, &fd, NULL);
 176         if (tmpfilenam == NULL) {
 177                 adios(EX_CANTCREAT, "rcvstore", "unable to create temporary file");
 178         }
 179         chmod(tmpfilenam, m_gmprot());
 180
 181         /* copy the message from stdin into temp file */
 182         cpydata(fileno(stdin), fd, "standard input", tmpfilenam);
 183
 184         if (fstat(fd, &st) == NOTOK) {
 185                 unlink(tmpfilenam);
 186                 adios(EX_IOERR, tmpfilenam, "unable to fstat");
 187         }
 188         if (close(fd) == NOTOK)
 189                 adios(EX_IOERR, tmpfilenam, "error closing");
 190
 191         /* don't add file if it is empty */
 192         if (st.st_size == 0) {
 193                 unlink(tmpfilenam);
 194                 advise(NULL, "empty file");
 195                 exit(EX_OK);
 196         }
 197
 198         /*
 199         ** read folder and create message structure
 200         */
 201         if (!(mp = folder_read(folder)))
 202                 adios(EX_IOERR, NULL, "unable to read folder %s", folder);
 203
 204         /*
 205         ** Link message into folder, and possibly add
 206         ** to the Unseen-Sequence's.
 207         */
 208         if ((msgnum = folder_addmsg(&mp, tmpfilenam, 0, unseensw, 0, 0, NULL))
 209                         == -1)
 210                 exit(EX_SOFTWARE);
 211
 212         /*
 213         ** Add the message to any extra sequences
 214         ** that have been specified.
 215         */
 216         for (seqp = 0; seqs[seqp]; seqp++) {
 217                 if (!seq_addmsg(mp, seqs[seqp], msgnum, publicsw, zerosw))
 218                         exit(EX_SOFTWARE);
 219         }
 220
 221         seq_setunseen(mp, 1);  /* add new msgs to unseen sequences */
 222         seq_save(mp);  /* synchronize and save message sequences */
 223         folder_free(mp);  /* free folder/message structure */
 224
 225         context_save();  /* save the global context file */
 226         unlink(tmpfilenam);  /* remove temporary file */
 227         tmpfilenam = NULL;
 228
 229         return EX_OK;
 230 }
 231
 232 /*
 233 ** Clean up and exit
 234 */
 235 void
 236 unlink_done()
 237 {
 238         if (tmpfilenam && *tmpfilenam) {
 239                 unlink(tmpfilenam);
 240         }
 241 }