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