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/print_help.h"
  10 #include "sbr/seq_add.h"
  11 #include "sbr/error.h"
  12 #include <fcntl.h>
  13 #include "h/signals.h"
  14 #include "h/mts.h"
  15 #include "h/done.h"
  16 #include "h/utils.h"
  17 #include "sbr/m_maildir.h"
  18 #include "sbr/m_mktemp.h"
  19 #include "sbr/makedir.h"
  20
  21 #define RCVSTORE_SWITCHES \
  22     X("create", 0, CRETSW) \
  23     X("nocreate", 0, NCRETSW) \
  24     X("unseen", 0, UNSEENSW) \
  25     X("nounseen", 0, NUNSEENSW) \
  26     X("public", 0, PUBSW) \
  27     X("nopublic", 0, NPUBSW) \
  28     X("zero", 0, ZEROSW) \
  29     X("nozero", 0, NZEROSW) \
  30     X("sequence name", 0, SEQSW) \
  31     X("version", 0, VERSIONSW) \
  32     X("help", 0, HELPSW) \
  33
  34 #define X(sw, minchars, id) id,
  35 DEFINE_SWITCH_ENUM(RCVSTORE);
  36 #undef X
  37
  38 #define X(sw, minchars, id) { sw, minchars, id },
  39 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  40 #undef X
  41
  42
  43 /*
  44  * name of temporary file to store incoming message
  45  */
  46 static char *tmpfilenam = NULL;
  47
  48 static void unlink_done(int) NORETURN;
  49
  50 int
  51 main (int argc, char **argv)
  52 {
  53     int publicsw = -1;
  54     bool zerosw = false;
  55     bool create = true;
  56     bool unseensw = true;
  57     int fd, msgnum;
  58     size_t seqp = 0;
  59     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  60     char **argp, **arguments;
  61     svector_t seqs = svector_create (0);
  62     struct msgs *mp;
  63     struct stat st;
  64
  65     if (nmh_init(argv[0], true, false)) { return 1; }
  66
  67     set_done(unlink_done);
  68
  69     mts_init ();
  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                 die("-%s unknown", cp);
  82
  83             case HELPSW:
  84                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  85                           invo_name);
  86                 print_help (buf, switches, 1);
  87                 done (0);
  88             case VERSIONSW:
  89                 print_version(invo_name);
  90                 done (0);
  91
  92             case SEQSW:
  93                 if (!(cp = *argp++) || *cp == '-')
  94                     die("missing argument name to %s", argp[-2]);
  95
  96                 svector_push_back (seqs, cp);
  97                 seqp++;
  98                 continue;
  99
 100             case UNSEENSW:
 101                 unseensw = true;
 102                 continue;
 103             case NUNSEENSW:
 104                 unseensw = false;
 105                 continue;
 106
 107             case PUBSW:
 108                 publicsw = 1;
 109                 continue;
 110             case NPUBSW:
 111                 publicsw = 0;
 112                 continue;
 113
 114             case ZEROSW:
 115                 zerosw = true;
 116                 continue;
 117             case NZEROSW:
 118                 zerosw = false;
 119                 continue;
 120
 121             case CRETSW:
 122                 create = true;
 123                 continue;
 124             case NCRETSW:
 125                 create = false;
 126                 continue;
 127             }
 128         }
 129         if (*cp == '+' || *cp == '@') {
 130             if (folder)
 131                 die("only one folder at a time!");
 132             folder = pluspath (cp);
 133         } else {
 134             die("usage: %s [+folder] [switches]", invo_name);
 135         }
 136     }
 137
 138     if (!context_find ("path"))
 139         free (path ("./", TFOLDER));
 140
 141     /* if no folder is given, use default folder */
 142     if (!folder)
 143         folder = getfolder (0);
 144     maildir = m_maildir (folder);
 145
 146     /* check if folder exists */
 147     if (stat (maildir, &st) == NOTOK) {
 148         if (errno != ENOENT)
 149             adios (maildir, "error on folder");
 150         if (!create)
 151             die("folder %s doesn't exist", maildir);
 152         if (!makedir (maildir))
 153             die("unable to create folder %s", maildir);
 154     }
 155
 156     if (chdir (maildir) == NOTOK)
 157         adios (maildir, "unable to change directory to");
 158
 159     /* ignore a few signals */
 160     SIGNAL (SIGHUP, SIG_IGN);
 161     SIGNAL (SIGINT, SIG_IGN);
 162     SIGNAL (SIGQUIT, SIG_IGN);
 163     SIGNAL (SIGTERM, SIG_IGN);
 164
 165     /* create a temporary file */
 166     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 167     if (tmpfilenam == NULL) {
 168         die("unable to create temporary file in %s", get_temp_dir());
 169     }
 170     chmod (tmpfilenam, m_gmprot());
 171
 172     /* copy the message from stdin into temp file */
 173     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 174
 175     if (fstat (fd, &st) == NOTOK) {
 176         (void) m_unlink (tmpfilenam);
 177         adios (tmpfilenam, "unable to fstat");
 178     }
 179     if (close (fd) == NOTOK)
 180         adios (tmpfilenam, "error closing");
 181
 182     /* don't add file if it is empty */
 183     if (st.st_size == 0) {
 184         (void) m_unlink (tmpfilenam);
 185         inform("empty file");
 186         done (0);
 187     }
 188
 189     /*
 190      * read folder and create message structure
 191      */
 192     if (!(mp = folder_read (folder, 1)))
 193         die("unable to read folder %s", folder);
 194
 195     /*
 196      * Link message into folder, and possibly add
 197      * to the Unseen-Sequence's.
 198      */
 199     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 200         done (1);
 201
 202     /*
 203      * Add the message to any extra sequences
 204      * that have been specified.
 205      */
 206     if (seqp) {
 207         /* The only reason that seqp was checked to be non-zero is in
 208            case a -nosequence switch is added. */
 209         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 210             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 211                              zerosw))
 212                 done (1);
 213         }
 214     }
 215
 216     svector_free (seqs);
 217     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 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     (void) m_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 NORETURN
 233 unlink_done(int status)
 234 {
 235     if (tmpfilenam && *tmpfilenam)
 236         (void) m_unlink (tmpfilenam);
 237     exit (status);
 238 }