diplodocus.org Git - nmh/blob - uip/rcvstore.c

   1 /* rcvstore.c -- asynchronously add mail to a folder
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include "h/mh.h"
   9 #include "sbr/folder_read.h"
  10 #include "sbr/folder_free.h"
  11 #include "sbr/folder_addmsg.h"
  12 #include "sbr/context_save.h"
  13 #include "sbr/context_find.h"
  14 #include "sbr/ambigsw.h"
  15 #include "sbr/path.h"
  16 #include "sbr/print_version.h"
  17 #include "sbr/print_help.h"
  18 #include "sbr/seq_add.h"
  19 #include "sbr/error.h"
  20 #include <fcntl.h>
  21 #include "h/signals.h"
  22 #include "h/mts.h"
  23 #include "h/done.h"
  24 #include "h/utils.h"
  25 #include "sbr/m_maildir.h"
  26 #include "sbr/m_mktemp.h"
  27 #include "sbr/makedir.h"
  28
  29 #define RCVSTORE_SWITCHES \
  30     X("create", 0, CRETSW) \
  31     X("nocreate", 0, NCRETSW) \
  32     X("unseen", 0, UNSEENSW) \
  33     X("nounseen", 0, NUNSEENSW) \
  34     X("public", 0, PUBSW) \
  35     X("nopublic", 0, NPUBSW) \
  36     X("zero", 0, ZEROSW) \
  37     X("nozero", 0, NZEROSW) \
  38     X("sequence name", 0, SEQSW) \
  39     X("version", 0, VERSIONSW) \
  40     X("help", 0, HELPSW) \
  41
  42 #define X(sw, minchars, id) id,
  43 DEFINE_SWITCH_ENUM(RCVSTORE);
  44 #undef X
  45
  46 #define X(sw, minchars, id) { sw, minchars, id },
  47 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  48 #undef X
  49
  50
  51 /*
  52  * name of temporary file to store incoming message
  53  */
  54 static char *tmpfilenam = NULL;
  55
  56 static void unlink_done(int) NORETURN;
  57
  58 int
  59 main (int argc, char **argv)
  60 {
  61     int publicsw = -1;
  62     bool zerosw = false;
  63     bool create = true;
  64     bool unseensw = true;
  65     int fd, msgnum;
  66     size_t seqp = 0;
  67     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  68     char **argp, **arguments;
  69     svector_t seqs = svector_create (0);
  70     struct msgs *mp;
  71     struct stat st;
  72
  73     if (nmh_init(argv[0], true, false)) { return 1; }
  74
  75     set_done(unlink_done);
  76
  77     mts_init ();
  78     arguments = getarguments (invo_name, argc, argv, 1);
  79     argp = arguments;
  80
  81     /* parse arguments */
  82     while ((cp = *argp++)) {
  83         if (*cp == '-') {
  84             switch (smatch (++cp, switches)) {
  85             case AMBIGSW:
  86                 ambigsw (cp, switches);
  87                 done (1);
  88             case UNKWNSW:
  89                 die("-%s unknown", cp);
  90
  91             case HELPSW:
  92                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  93                           invo_name);
  94                 print_help (buf, switches, 1);
  95                 done (0);
  96             case VERSIONSW:
  97                 print_version(invo_name);
  98                 done (0);
  99
 100             case SEQSW:
 101                 if (!(cp = *argp++) || *cp == '-')
 102                     die("missing argument name to %s", argp[-2]);
 103
 104                 svector_push_back (seqs, cp);
 105                 seqp++;
 106                 continue;
 107
 108             case UNSEENSW:
 109                 unseensw = true;
 110                 continue;
 111             case NUNSEENSW:
 112                 unseensw = false;
 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 = true;
 124                 continue;
 125             case NZEROSW:
 126                 zerosw = false;
 127                 continue;
 128
 129             case CRETSW:
 130                 create = true;
 131                 continue;
 132             case NCRETSW:
 133                 create = false;
 134                 continue;
 135             }
 136         }
 137         if (*cp == '+' || *cp == '@') {
 138             if (folder)
 139                 die("only one folder at a time!");
 140             folder = pluspath (cp);
 141         } else {
 142             die("usage: %s [+folder] [switches]", invo_name);
 143         }
 144     }
 145
 146     if (!context_find ("path"))
 147         free (path ("./", TFOLDER));
 148
 149     /* if no folder is given, use default folder */
 150     if (!folder)
 151         folder = getfolder (0);
 152     maildir = m_maildir (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             die("folder %s doesn't exist", maildir);
 160         if (!makedir (maildir))
 161             die("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         die("unable to create temporary file in %s", get_temp_dir());
 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         (void) m_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         (void) m_unlink (tmpfilenam);
 193         inform("empty file");
 194         done (0);
 195     }
 196
 197     /*
 198      * read folder and create message structure
 199      */
 200     if (!(mp = folder_read (folder, 1)))
 201         die("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)) == -1)
 208         done (1);
 209
 210     /*
 211      * Add the message to any extra sequences
 212      * that have been specified.
 213      */
 214     if (seqp) {
 215         /* The only reason that seqp was checked to be non-zero is in
 216            case a -nosequence switch is added. */
 217         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 218             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 219                              zerosw))
 220                 done (1);
 221         }
 222     }
 223
 224     svector_free (seqs);
 225     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 226     seq_save (mp);              /* synchronize and save message sequences */
 227     folder_free (mp);           /* free folder/message structure          */
 228
 229     context_save ();            /* save the global context file           */
 230     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 231     tmpfilenam = NULL;
 232
 233     done (0);
 234     return 1;
 235 }
 236
 237 /*
 238  * Clean up and exit
 239  */
 240 static void NORETURN
 241 unlink_done(int status)
 242 {
 243     if (tmpfilenam && *tmpfilenam)
 244         (void) m_unlink (tmpfilenam);
 245     exit (status);
 246 }