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/path.h"
  10 #include "sbr/print_version.h"
  11 #include "sbr/print_help.h"
  12 #include "sbr/seq_add.h"
  13 #include "sbr/error.h"
  14 #include <fcntl.h>
  15 #include "h/signals.h"
  16 #include "h/mts.h"
  17 #include "h/done.h"
  18 #include "h/utils.h"
  19 #include "sbr/m_maildir.h"
  20 #include "sbr/m_mktemp.h"
  21 #include "sbr/makedir.h"
  22
  23 #define RCVSTORE_SWITCHES \
  24     X("create", 0, CRETSW) \
  25     X("nocreate", 0, NCRETSW) \
  26     X("unseen", 0, UNSEENSW) \
  27     X("nounseen", 0, NUNSEENSW) \
  28     X("public", 0, PUBSW) \
  29     X("nopublic", 0, NPUBSW) \
  30     X("zero", 0, ZEROSW) \
  31     X("nozero", 0, NZEROSW) \
  32     X("sequence name", 0, SEQSW) \
  33     X("version", 0, VERSIONSW) \
  34     X("help", 0, HELPSW) \
  35
  36 #define X(sw, minchars, id) id,
  37 DEFINE_SWITCH_ENUM(RCVSTORE);
  38 #undef X
  39
  40 #define X(sw, minchars, id) { sw, minchars, id },
  41 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  42 #undef X
  43
  44
  45 /*
  46  * name of temporary file to store incoming message
  47  */
  48 static char *tmpfilenam = NULL;
  49
  50 static void unlink_done(int) NORETURN;
  51
  52 int
  53 main (int argc, char **argv)
  54 {
  55     int publicsw = -1;
  56     bool zerosw = false;
  57     bool create = true;
  58     bool unseensw = true;
  59     int fd, msgnum;
  60     size_t seqp = 0;
  61     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  62     char **argp, **arguments;
  63     svector_t seqs = svector_create (0);
  64     struct msgs *mp;
  65     struct stat st;
  66
  67     if (nmh_init(argv[0], true, false)) { return 1; }
  68
  69     set_done(unlink_done);
  70
  71     mts_init ();
  72     arguments = getarguments (invo_name, argc, argv, 1);
  73     argp = arguments;
  74
  75     /* parse arguments */
  76     while ((cp = *argp++)) {
  77         if (*cp == '-') {
  78             switch (smatch (++cp, switches)) {
  79             case AMBIGSW:
  80                 ambigsw (cp, switches);
  81                 done (1);
  82             case UNKWNSW:
  83                 die("-%s unknown", cp);
  84
  85             case HELPSW:
  86                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  87                           invo_name);
  88                 print_help (buf, switches, 1);
  89                 done (0);
  90             case VERSIONSW:
  91                 print_version(invo_name);
  92                 done (0);
  93
  94             case SEQSW:
  95                 if (!(cp = *argp++) || *cp == '-')
  96                     die("missing argument name to %s", argp[-2]);
  97
  98                 svector_push_back (seqs, cp);
  99                 seqp++;
 100                 continue;
 101
 102             case UNSEENSW:
 103                 unseensw = true;
 104                 continue;
 105             case NUNSEENSW:
 106                 unseensw = false;
 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 = true;
 118                 continue;
 119             case NZEROSW:
 120                 zerosw = false;
 121                 continue;
 122
 123             case CRETSW:
 124                 create = true;
 125                 continue;
 126             case NCRETSW:
 127                 create = false;
 128                 continue;
 129             }
 130         }
 131         if (*cp == '+' || *cp == '@') {
 132             if (folder)
 133                 die("only one folder at a time!");
 134             folder = pluspath (cp);
 135         } else {
 136             die("usage: %s [+folder] [switches]", invo_name);
 137         }
 138     }
 139
 140     if (!context_find ("path"))
 141         free (path ("./", TFOLDER));
 142
 143     /* if no folder is given, use default folder */
 144     if (!folder)
 145         folder = getfolder (0);
 146     maildir = m_maildir (folder);
 147
 148     /* check if folder exists */
 149     if (stat (maildir, &st) == NOTOK) {
 150         if (errno != ENOENT)
 151             adios (maildir, "error on folder");
 152         if (!create)
 153             die("folder %s doesn't exist", maildir);
 154         if (!makedir (maildir))
 155             die("unable to create folder %s", maildir);
 156     }
 157
 158     if (chdir (maildir) == NOTOK)
 159         adios (maildir, "unable to change directory to");
 160
 161     /* ignore a few signals */
 162     SIGNAL (SIGHUP, SIG_IGN);
 163     SIGNAL (SIGINT, SIG_IGN);
 164     SIGNAL (SIGQUIT, SIG_IGN);
 165     SIGNAL (SIGTERM, SIG_IGN);
 166
 167     /* create a temporary file */
 168     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 169     if (tmpfilenam == NULL) {
 170         die("unable to create temporary file in %s", get_temp_dir());
 171     }
 172     chmod (tmpfilenam, m_gmprot());
 173
 174     /* copy the message from stdin into temp file */
 175     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 176
 177     if (fstat (fd, &st) == NOTOK) {
 178         (void) m_unlink (tmpfilenam);
 179         adios (tmpfilenam, "unable to fstat");
 180     }
 181     if (close (fd) == NOTOK)
 182         adios (tmpfilenam, "error closing");
 183
 184     /* don't add file if it is empty */
 185     if (st.st_size == 0) {
 186         (void) m_unlink (tmpfilenam);
 187         inform("empty file");
 188         done (0);
 189     }
 190
 191     /*
 192      * read folder and create message structure
 193      */
 194     if (!(mp = folder_read (folder, 1)))
 195         die("unable to read folder %s", folder);
 196
 197     /*
 198      * Link message into folder, and possibly add
 199      * to the Unseen-Sequence's.
 200      */
 201     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 202         done (1);
 203
 204     /*
 205      * Add the message to any extra sequences
 206      * that have been specified.
 207      */
 208     if (seqp) {
 209         /* The only reason that seqp was checked to be non-zero is in
 210            case a -nosequence switch is added. */
 211         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 212             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 213                              zerosw))
 214                 done (1);
 215         }
 216     }
 217
 218     svector_free (seqs);
 219     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 220     seq_save (mp);              /* synchronize and save message sequences */
 221     folder_free (mp);           /* free folder/message structure          */
 222
 223     context_save ();            /* save the global context file           */
 224     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 225     tmpfilenam = NULL;
 226
 227     done (0);
 228     return 1;
 229 }
 230
 231 /*
 232  * Clean up and exit
 233  */
 234 static void NORETURN
 235 unlink_done(int status)
 236 {
 237     if (tmpfilenam && *tmpfilenam)
 238         (void) m_unlink (tmpfilenam);
 239     exit (status);
 240 }