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
  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
  42 /*
  43 ** name of temporary file to store incoming message
  44 */
  45 static char *tmpfilenam = NULL;
  46
  47 static void unlink_done(int) NORETURN;
  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         done=unlink_done;
  61
  62 #ifdef LOCALE
  63         setlocale(LC_ALL, "");
  64 #endif
  65         invo_name = mhbasename(argv[0]);
  66
  67         /* read user profile/context */
  68         context_read();
  69
  70         arguments = getarguments(invo_name, argc, argv, 1);
  71         argp = arguments;
  72
  73         /* parse arguments */
  74         while ((cp = *argp++)) {
  75                 if (*cp == '-') {
  76                         switch (smatch(++cp, switches)) {
  77                         case AMBIGSW:
  78                                 ambigsw(cp, switches);
  79                                 done(1);
  80                         case UNKWNSW:
  81                                 adios(NULL, "-%s unknown", cp);
  82
  83                         case HELPSW:
  84                                 snprintf(buf, sizeof(buf),
  85                                                 "%s [+folder] [switches]",
  86                                                 invo_name);
  87                                 print_help(buf, switches, 1);
  88                                 done(1);
  89                         case VERSIONSW:
  90                                 print_version(invo_name);
  91                                 done(1);
  92
  93                         case SEQSW:
  94                                 if (!(cp = *argp++) || *cp == '-')
  95                                         adios(NULL, "missing argument name to %s", argp[-2]);
  96
  97                                 /* check if too many sequences specified */
  98                                 if (seqp >= NUMATTRS)
  99                                         adios(NULL, "too many sequences (more than %d) specified", NUMATTRS);
 100                                 seqs[seqp++] = cp;
 101                                 continue;
 102
 103                         case UNSEENSW:
 104                                 unseensw = 1;
 105                                 continue;
 106                         case NUNSEENSW:
 107                                 unseensw = 0;
 108                                 continue;
 109
 110                         case PUBSW:
 111                                 publicsw = 1;
 112                                 continue;
 113                         case NPUBSW:
 114                                 publicsw = 0;
 115                                 continue;
 116
 117                         case ZEROSW:
 118                                 zerosw++;
 119                                 continue;
 120                         case NZEROSW:
 121                                 zerosw = 0;
 122                                 continue;
 123
 124                         case CRETSW:
 125                                 create++;
 126                                 continue;
 127                         case NCRETSW:
 128                                 create = 0;
 129                                 continue;
 130                         }
 131                 }
 132                 if (*cp == '+' || *cp == '@') {
 133                         if (folder)
 134                                 adios(NULL, "only one folder at a time!");
 135                         else
 136                                 folder = getcpy(expandfol(cp));
 137                 } else {
 138                         adios(NULL, "usage: %s [+folder] [switches]",
 139                                         invo_name);
 140                 }
 141         }
 142
 143         seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 144
 145         /* if no folder is given, use default folder */
 146         if (!folder)
 147                 folder = getdeffol();
 148         maildir = toabsdir(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_mktemp(invo_name, &fd, NULL);
 171         if (tmpfilenam == NULL) {
 172                 adios("rcvstore", "unable to create temporary file");
 173         }
 174         chmod(tmpfilenam, m_gmprot());
 175
 176         /* copy the message from stdin into temp file */
 177         cpydata(fileno(stdin), fd, "standard input", tmpfilenam);
 178
 179         if (fstat(fd, &st) == NOTOK) {
 180                 unlink(tmpfilenam);
 181                 adios(tmpfilenam, "unable to fstat");
 182         }
 183         if (close(fd) == NOTOK)
 184                 adios(tmpfilenam, "error closing");
 185
 186         /* don't add file if it is empty */
 187         if (st.st_size == 0) {
 188                 unlink(tmpfilenam);
 189                 advise(NULL, "empty file");
 190                 done(0);
 191         }
 192
 193         /*
 194         ** read folder and create message structure
 195         */
 196         if (!(mp = folder_read(folder)))
 197                 adios(NULL, "unable to read folder %s", folder);
 198
 199         /*
 200         ** Link message into folder, and possibly add
 201         ** to the Unseen-Sequence's.
 202         */
 203         if ((msgnum = folder_addmsg(&mp, tmpfilenam, 0, unseensw, 0, 0, NULL))
 204                         == -1)
 205                 done(1);
 206
 207         /*
 208         ** Add the message to any extra sequences
 209         ** that have been specified.
 210         */
 211         for (seqp = 0; seqs[seqp]; seqp++) {
 212                 if (!seq_addmsg(mp, seqs[seqp], msgnum, publicsw, zerosw))
 213                         done(1);
 214         }
 215
 216         seq_setunseen(mp, 1);  /* add new msgs to unseen sequences */
 217         seq_save(mp);  /* synchronize and save message sequences */
 218         folder_free(mp);  /* free folder/message structure */
 219
 220         context_save();  /* save the global context file */
 221         unlink(tmpfilenam);  /* remove temporary file */
 222         tmpfilenam = NULL;
 223
 224         done(0);
 225         return 1;
 226 }
 227
 228 /*
 229 ** Clean up and exit
 230 */
 231 static void
 232 unlink_done(int status)
 233 {
 234         if (tmpfilenam && *tmpfilenam)
 235                 unlink(tmpfilenam);
 236         exit(status);
 237 }