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", 2 },
  20 #define UNSEENSW  2
  21         { "unseen",   0 },
  22 #define NUNSEENSW  3
  23         { "nounseen", 2 },
  24 #define PUBSW  4
  25         { "public",   0 },
  26 #define NPUBSW  5
  27         { "nopublic", 2 },
  28 #define ZEROSW  6
  29         { "zero",     0 },
  30 #define NZEROSW  7
  31         { "nozero",   2 },
  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;
  55         size_t 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         setlocale(LC_ALL, "");
  64         invo_name = mhbasename(argv[0]);
  65
  66         /* read user profile/context */
  67         context_read();
  68
  69         arguments = getarguments(invo_name, argc, argv, 1);
  70         argp = arguments;
  71
  72         /* parse arguments */
  73         while ((cp = *argp++)) {
  74                 if (*cp == '-') {
  75                         switch (smatch(++cp, switches)) {
  76                         case AMBIGSW:
  77                                 ambigsw(cp, switches);
  78                                 done(1);
  79                         case UNKWNSW:
  80                                 adios(NULL, "-%s unknown", cp);
  81
  82                         case HELPSW:
  83                                 snprintf(buf, sizeof(buf),
  84                                                 "%s [+folder] [switches]",
  85                                                 invo_name);
  86                                 print_help(buf, switches, 1);
  87                                 done(1);
  88                         case VERSIONSW:
  89                                 print_version(invo_name);
  90                                 done(1);
  91
  92                         case SEQSW:
  93                                 if (!(cp = *argp++) || *cp == '-')
  94                                         adios(NULL, "missing argument name to %s", argp[-2]);
  95
  96                                 /* check if too many sequences specified */
  97                                 if (seqp >= NUMATTRS)
  98                                         adios(NULL, "too many sequences (more than %d) specified", NUMATTRS);
  99                                 seqs[seqp++] = cp;
 100                                 continue;
 101
 102                         case UNSEENSW:
 103                                 unseensw = 1;
 104                                 continue;
 105                         case NUNSEENSW:
 106                                 unseensw = 0;
 107                                 continue;
 108
 109                         case PUBSW:
 110                                 publicsw = 1;
 111                                 continue;
 112                         case NPUBSW:
 113                                 publicsw = 0;
 114                                 continue;
 115
 116                         case ZEROSW:
 117                                 zerosw++;
 118                                 continue;
 119                         case NZEROSW:
 120                                 zerosw = 0;
 121                                 continue;
 122
 123                         case CRETSW:
 124                                 create++;
 125                                 continue;
 126                         case NCRETSW:
 127                                 create = 0;
 128                                 continue;
 129                         }
 130                 }
 131                 if (*cp == '+' || *cp == '@') {
 132                         if (folder)
 133                                 adios(NULL, "only one folder at a time!");
 134                         else
 135                                 folder = getcpy(expandfol(cp));
 136                 } else {
 137                         adios(NULL, "usage: %s [+folder] [switches]",
 138                                         invo_name);
 139                 }
 140         }
 141
 142         seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 143
 144         /* if no folder is given, use default folder */
 145         if (!folder)
 146                 folder = getdeffol();
 147         maildir = toabsdir(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_mktemp(invo_name, &fd, NULL);
 170         if (tmpfilenam == NULL) {
 171                 adios("rcvstore", "unable to create temporary file");
 172         }
 173         chmod(tmpfilenam, m_gmprot());
 174
 175         /* copy the message from stdin into temp file */
 176         cpydata(fileno(stdin), fd, "standard input", tmpfilenam);
 177
 178         if (fstat(fd, &st) == NOTOK) {
 179                 unlink(tmpfilenam);
 180                 adios(tmpfilenam, "unable to fstat");
 181         }
 182         if (close(fd) == NOTOK)
 183                 adios(tmpfilenam, "error closing");
 184
 185         /* don't add file if it is empty */
 186         if (st.st_size == 0) {
 187                 unlink(tmpfilenam);
 188                 advise(NULL, "empty file");
 189                 done(0);
 190         }
 191
 192         /*
 193         ** read folder and create message structure
 194         */
 195         if (!(mp = folder_read(folder)))
 196                 adios(NULL, "unable to read folder %s", folder);
 197
 198         /*
 199         ** Link message into folder, and possibly add
 200         ** to the Unseen-Sequence's.
 201         */
 202         if ((msgnum = folder_addmsg(&mp, tmpfilenam, 0, unseensw, 0, 0, NULL))
 203                         == -1)
 204                 done(1);
 205
 206         /*
 207         ** Add the message to any extra sequences
 208         ** that have been specified.
 209         */
 210         for (seqp = 0; seqs[seqp]; seqp++) {
 211                 if (!seq_addmsg(mp, seqs[seqp], msgnum, publicsw, zerosw))
 212                         done(1);
 213         }
 214
 215         seq_setunseen(mp, 1);  /* add new msgs to unseen sequences */
 216         seq_save(mp);  /* synchronize and save message sequences */
 217         folder_free(mp);  /* free folder/message structure */
 218
 219         context_save();  /* save the global context file */
 220         unlink(tmpfilenam);  /* remove temporary file */
 221         tmpfilenam = NULL;
 222
 223         done(0);
 224         return 1;
 225 }
 226
 227 /*
 228 ** Clean up and exit
 229 */
 230 static void
 231 unlink_done(int status)
 232 {
 233         if (tmpfilenam && *tmpfilenam)
 234                 unlink(tmpfilenam);
 235         exit(status);
 236 }