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/context_save.h"
  10 #include "sbr/context_find.h"
  11 #include "sbr/ambigsw.h"
  12 #include "sbr/path.h"
  13 #include "sbr/print_version.h"
  14 #include "sbr/print_help.h"
  15 #include "sbr/seq_add.h"
  16 #include "sbr/error.h"
  17 #include <fcntl.h>
  18 #include "h/signals.h"
  19 #include "h/mts.h"
  20 #include "h/done.h"
  21 #include "h/utils.h"
  22 #include "sbr/m_maildir.h"
  23 #include "sbr/m_mktemp.h"
  24 #include "sbr/makedir.h"
  25
  26 #define RCVSTORE_SWITCHES \
  27     X("create", 0, CRETSW) \
  28     X("nocreate", 0, NCRETSW) \
  29     X("unseen", 0, UNSEENSW) \
  30     X("nounseen", 0, NUNSEENSW) \
  31     X("public", 0, PUBSW) \
  32     X("nopublic", 0, NPUBSW) \
  33     X("zero", 0, ZEROSW) \
  34     X("nozero", 0, NZEROSW) \
  35     X("sequence name", 0, SEQSW) \
  36     X("version", 0, VERSIONSW) \
  37     X("help", 0, HELPSW) \
  38
  39 #define X(sw, minchars, id) id,
  40 DEFINE_SWITCH_ENUM(RCVSTORE);
  41 #undef X
  42
  43 #define X(sw, minchars, id) { sw, minchars, id },
  44 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  45 #undef X
  46
  47
  48 /*
  49  * name of temporary file to store incoming message
  50  */
  51 static char *tmpfilenam = NULL;
  52
  53 static void unlink_done(int) NORETURN;
  54
  55 int
  56 main (int argc, char **argv)
  57 {
  58     int publicsw = -1;
  59     bool zerosw = false;
  60     bool create = true;
  61     bool unseensw = true;
  62     int fd, msgnum;
  63     size_t seqp = 0;
  64     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  65     char **argp, **arguments;
  66     svector_t seqs = svector_create (0);
  67     struct msgs *mp;
  68     struct stat st;
  69
  70     if (nmh_init(argv[0], true, false)) { return 1; }
  71
  72     set_done(unlink_done);
  73
  74     mts_init ();
  75     arguments = getarguments (invo_name, argc, argv, 1);
  76     argp = arguments;
  77
  78     /* parse arguments */
  79     while ((cp = *argp++)) {
  80         if (*cp == '-') {
  81             switch (smatch (++cp, switches)) {
  82             case AMBIGSW:
  83                 ambigsw (cp, switches);
  84                 done (1);
  85             case UNKWNSW:
  86                 die("-%s unknown", cp);
  87
  88             case HELPSW:
  89                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  90                           invo_name);
  91                 print_help (buf, switches, 1);
  92                 done (0);
  93             case VERSIONSW:
  94                 print_version(invo_name);
  95                 done (0);
  96
  97             case SEQSW:
  98                 if (!(cp = *argp++) || *cp == '-')
  99                     die("missing argument name to %s", argp[-2]);
 100
 101                 svector_push_back (seqs, cp);
 102                 seqp++;
 103                 continue;
 104
 105             case UNSEENSW:
 106                 unseensw = true;
 107                 continue;
 108             case NUNSEENSW:
 109                 unseensw = false;
 110                 continue;
 111
 112             case PUBSW:
 113                 publicsw = 1;
 114                 continue;
 115             case NPUBSW:
 116                 publicsw = 0;
 117                 continue;
 118
 119             case ZEROSW:
 120                 zerosw = true;
 121                 continue;
 122             case NZEROSW:
 123                 zerosw = false;
 124                 continue;
 125
 126             case CRETSW:
 127                 create = true;
 128                 continue;
 129             case NCRETSW:
 130                 create = false;
 131                 continue;
 132             }
 133         }
 134         if (*cp == '+' || *cp == '@') {
 135             if (folder)
 136                 die("only one folder at a time!");
 137             folder = pluspath (cp);
 138         } else {
 139             die("usage: %s [+folder] [switches]", invo_name);
 140         }
 141     }
 142
 143     if (!context_find ("path"))
 144         free (path ("./", TFOLDER));
 145
 146     /* if no folder is given, use default folder */
 147     if (!folder)
 148         folder = getfolder (0);
 149     maildir = m_maildir (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             die("folder %s doesn't exist", maildir);
 157         if (!makedir (maildir))
 158             die("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         die("unable to create temporary file in %s", get_temp_dir());
 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         (void) m_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         (void) m_unlink (tmpfilenam);
 190         inform("empty file");
 191         done (0);
 192     }
 193
 194     /*
 195      * read folder and create message structure
 196      */
 197     if (!(mp = folder_read (folder, 1)))
 198         die("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)) == -1)
 205         done (1);
 206
 207     /*
 208      * Add the message to any extra sequences
 209      * that have been specified.
 210      */
 211     if (seqp) {
 212         /* The only reason that seqp was checked to be non-zero is in
 213            case a -nosequence switch is added. */
 214         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 215             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 216                              zerosw))
 217                 done (1);
 218         }
 219     }
 220
 221     svector_free (seqs);
 222     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 223     seq_save (mp);              /* synchronize and save message sequences */
 224     folder_free (mp);           /* free folder/message structure          */
 225
 226     context_save ();            /* save the global context file           */
 227     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 228     tmpfilenam = NULL;
 229
 230     done (0);
 231     return 1;
 232 }
 233
 234 /*
 235  * Clean up and exit
 236  */
 237 static void NORETURN
 238 unlink_done(int status)
 239 {
 240     if (tmpfilenam && *tmpfilenam)
 241         (void) m_unlink (tmpfilenam);
 242     exit (status);
 243 }