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;
  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 #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         arguments = getarguments(invo_name, argc, argv, 1);
  72         argp = arguments;
  73
  74         /* parse arguments */
  75         while ((cp = *argp++)) {
  76                 if (*cp == '-') {
  77                         switch (smatch(++cp, switches)) {
  78                         case AMBIGSW:
  79                                 ambigsw(cp, switches);
  80                                 done(1);
  81                         case UNKWNSW:
  82                                 adios(NULL, "-%s unknown", cp);
  83
  84                         case HELPSW:
  85                                 snprintf(buf, sizeof(buf),
  86                                                 "%s [+folder] [switches]",
  87                                                 invo_name);
  88                                 print_help(buf, switches, 1);
  89                                 done(1);
  90                         case VERSIONSW:
  91                                 print_version(invo_name);
  92                                 done(1);
  93
  94                         case SEQSW:
  95                                 if (!(cp = *argp++) || *cp == '-')
  96                                         adios(NULL, "missing argument name to %s", argp[-2]);
  97
  98                                 /* check if too many sequences specified */
  99                                 if (seqp >= NUMATTRS)
 100                                         adios(NULL, "too many sequences (more than %d) specified", NUMATTRS);
 101                                 seqs[seqp++] = cp;
 102                                 continue;
 103
 104                         case UNSEENSW:
 105                                 unseensw = 1;
 106                                 continue;
 107                         case NUNSEENSW:
 108                                 unseensw = 0;
 109                                 continue;
 110
 111                         case PUBSW:
 112                                 publicsw = 1;
 113                                 continue;
 114                         case NPUBSW:
 115                                 publicsw = 0;
 116                                 continue;
 117
 118                         case ZEROSW:
 119                                 zerosw++;
 120                                 continue;
 121                         case NZEROSW:
 122                                 zerosw = 0;
 123                                 continue;
 124
 125                         case CRETSW:
 126                                 create++;
 127                                 continue;
 128                         case NCRETSW:
 129                                 create = 0;
 130                                 continue;
 131                         }
 132                 }
 133                 if (*cp == '+' || *cp == '@') {
 134                         if (folder)
 135                                 adios(NULL, "only one folder at a time!");
 136                         else
 137                                 folder = getcpy(expandfol(cp));
 138                 } else {
 139                         adios(NULL, "usage: %s [+folder] [switches]",
 140                                         invo_name);
 141                 }
 142         }
 143
 144         seqs[seqp] = NULL;  /* NULL terminate list of sequences */
 145
 146         /* if no folder is given, use default folder */
 147         if (!folder)
 148                 folder = getdeffol();
 149         maildir = toabsdir(folder);
 150
 151         /* check if folder exists */
 152         if (stat(maildir, &st) == NOTOK) {
 153                 if (errno != ENOENT)
 154                         adios(maildir, "error on folder");
 155                 if (!create)
 156                         adios(NULL, "folder %s doesn't exist", maildir);
 157                 if (!makedir(maildir))
 158                         adios(NULL, "unable to create folder %s", maildir);
 159         }
 160
 161         if (chdir(maildir) == NOTOK)
 162                 adios(maildir, "unable to change directory to");
 163
 164         /* ignore a few signals */
 165         SIGNAL(SIGHUP, SIG_IGN);
 166         SIGNAL(SIGINT, SIG_IGN);
 167         SIGNAL(SIGQUIT, SIG_IGN);
 168         SIGNAL(SIGTERM, SIG_IGN);
 169
 170         /* create a temporary file */
 171         tmpfilenam = m_mktemp(invo_name, &fd, NULL);
 172         if (tmpfilenam == NULL) {
 173                 adios("rcvstore", "unable to create temporary file");
 174         }
 175         chmod(tmpfilenam, m_gmprot());
 176
 177         /* copy the message from stdin into temp file */
 178         cpydata(fileno(stdin), fd, "standard input", tmpfilenam);
 179
 180         if (fstat(fd, &st) == NOTOK) {
 181                 unlink(tmpfilenam);
 182                 adios(tmpfilenam, "unable to fstat");
 183         }
 184         if (close(fd) == NOTOK)
 185                 adios(tmpfilenam, "error closing");
 186
 187         /* don't add file if it is empty */
 188         if (st.st_size == 0) {
 189                 unlink(tmpfilenam);
 190                 advise(NULL, "empty file");
 191                 done(0);
 192         }
 193
 194         /*
 195         ** read folder and create message structure
 196         */
 197         if (!(mp = folder_read(folder)))
 198                 adios(NULL, "unable to read folder %s", folder);
 199
 200         /*
 201         ** Link message into folder, and possibly add
 202         ** to the Unseen-Sequence's.
 203         */
 204         if ((msgnum = folder_addmsg(&mp, tmpfilenam, 0, unseensw, 0, 0, NULL))
 205                         == -1)
 206                 done(1);
 207
 208         /*
 209         ** Add the message to any extra sequences
 210         ** that have been specified.
 211         */
 212         for (seqp = 0; seqs[seqp]; seqp++) {
 213                 if (!seq_addmsg(mp, seqs[seqp], msgnum, publicsw, zerosw))
 214                         done(1);
 215         }
 216
 217         seq_setunseen(mp, 1);  /* add new msgs to unseen sequences */
 218         seq_save(mp);  /* synchronize and save message sequences */
 219         folder_free(mp);  /* free folder/message structure */
 220
 221         context_save();  /* save the global context file */
 222         unlink(tmpfilenam);  /* remove temporary file */
 223         tmpfilenam = NULL;
 224
 225         done(0);
 226         return 1;
 227 }
 228
 229 /*
 230 ** Clean up and exit
 231 */
 232 static void
 233 unlink_done(int status)
 234 {
 235         if (tmpfilenam && *tmpfilenam)
 236                 unlink(tmpfilenam);
 237         exit(status);
 238 }