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/seq_save.h"
  10 #include "sbr/smatch.h"
  11 #include "sbr/cpydata.h"
  12 #include "sbr/getfolder.h"
  13 #include "sbr/folder_read.h"
  14 #include "sbr/folder_free.h"
  15 #include "sbr/folder_addmsg.h"
  16 #include "sbr/context_save.h"
  17 #include "sbr/context_find.h"
  18 #include "sbr/ambigsw.h"
  19 #include "sbr/path.h"
  20 #include "sbr/print_version.h"
  21 #include "sbr/print_help.h"
  22 #include "sbr/seq_add.h"
  23 #include "sbr/error.h"
  24 #include <fcntl.h>
  25 #include "h/signals.h"
  26 #include "h/mts.h"
  27 #include "h/done.h"
  28 #include "h/utils.h"
  29 #include "sbr/m_maildir.h"
  30 #include "sbr/m_mktemp.h"
  31 #include "sbr/makedir.h"
  32
  33 #define RCVSTORE_SWITCHES \
  34     X("create", 0, CRETSW) \
  35     X("nocreate", 0, NCRETSW) \
  36     X("unseen", 0, UNSEENSW) \
  37     X("nounseen", 0, NUNSEENSW) \
  38     X("public", 0, PUBSW) \
  39     X("nopublic", 0, NPUBSW) \
  40     X("zero", 0, ZEROSW) \
  41     X("nozero", 0, NZEROSW) \
  42     X("sequence name", 0, SEQSW) \
  43     X("version", 0, VERSIONSW) \
  44     X("help", 0, HELPSW) \
  45
  46 #define X(sw, minchars, id) id,
  47 DEFINE_SWITCH_ENUM(RCVSTORE);
  48 #undef X
  49
  50 #define X(sw, minchars, id) { sw, minchars, id },
  51 DEFINE_SWITCH_ARRAY(RCVSTORE, switches);
  52 #undef X
  53
  54
  55 /*
  56  * name of temporary file to store incoming message
  57  */
  58 static char *tmpfilenam = NULL;
  59
  60 static void unlink_done(int) NORETURN;
  61
  62 int
  63 main (int argc, char **argv)
  64 {
  65     int publicsw = -1;
  66     bool zerosw = false;
  67     bool create = true;
  68     bool unseensw = true;
  69     int fd, msgnum;
  70     size_t seqp = 0;
  71     char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
  72     char **argp, **arguments;
  73     svector_t seqs = svector_create (0);
  74     struct msgs *mp;
  75     struct stat st;
  76
  77     if (nmh_init(argv[0], true, false)) { return 1; }
  78
  79     set_done(unlink_done);
  80
  81     mts_init ();
  82     arguments = getarguments (invo_name, argc, argv, 1);
  83     argp = arguments;
  84
  85     /* parse arguments */
  86     while ((cp = *argp++)) {
  87         if (*cp == '-') {
  88             switch (smatch (++cp, switches)) {
  89             case AMBIGSW:
  90                 ambigsw (cp, switches);
  91                 done (1);
  92             case UNKWNSW:
  93                 die("-%s unknown", cp);
  94
  95             case HELPSW:
  96                 snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  97                           invo_name);
  98                 print_help (buf, switches, 1);
  99                 done (0);
 100             case VERSIONSW:
 101                 print_version(invo_name);
 102                 done (0);
 103
 104             case SEQSW:
 105                 if (!(cp = *argp++) || *cp == '-')
 106                     die("missing argument name to %s", argp[-2]);
 107
 108                 svector_push_back (seqs, cp);
 109                 seqp++;
 110                 continue;
 111
 112             case UNSEENSW:
 113                 unseensw = true;
 114                 continue;
 115             case NUNSEENSW:
 116                 unseensw = false;
 117                 continue;
 118
 119             case PUBSW:
 120                 publicsw = 1;
 121                 continue;
 122             case NPUBSW:
 123                 publicsw = 0;
 124                 continue;
 125
 126             case ZEROSW:
 127                 zerosw = true;
 128                 continue;
 129             case NZEROSW:
 130                 zerosw = false;
 131                 continue;
 132
 133             case CRETSW:
 134                 create = true;
 135                 continue;
 136             case NCRETSW:
 137                 create = false;
 138                 continue;
 139             }
 140         }
 141         if (*cp == '+' || *cp == '@') {
 142             if (folder)
 143                 die("only one folder at a time!");
 144             folder = pluspath (cp);
 145         } else {
 146             die("usage: %s [+folder] [switches]", invo_name);
 147         }
 148     }
 149
 150     if (!context_find ("path"))
 151         free (path ("./", TFOLDER));
 152
 153     /* if no folder is given, use default folder */
 154     if (!folder)
 155         folder = getfolder (0);
 156     maildir = m_maildir (folder);
 157
 158     /* check if folder exists */
 159     if (stat (maildir, &st) == NOTOK) {
 160         if (errno != ENOENT)
 161             adios (maildir, "error on folder");
 162         if (!create)
 163             die("folder %s doesn't exist", maildir);
 164         if (!makedir (maildir))
 165             die("unable to create folder %s", maildir);
 166     }
 167
 168     if (chdir (maildir) == NOTOK)
 169         adios (maildir, "unable to change directory to");
 170
 171     /* ignore a few signals */
 172     SIGNAL (SIGHUP, SIG_IGN);
 173     SIGNAL (SIGINT, SIG_IGN);
 174     SIGNAL (SIGQUIT, SIG_IGN);
 175     SIGNAL (SIGTERM, SIG_IGN);
 176
 177     /* create a temporary file */
 178     tmpfilenam = m_mktemp (invo_name, &fd, NULL);
 179     if (tmpfilenam == NULL) {
 180         die("unable to create temporary file in %s", get_temp_dir());
 181     }
 182     chmod (tmpfilenam, m_gmprot());
 183
 184     /* copy the message from stdin into temp file */
 185     cpydata (fileno (stdin), fd, "standard input", tmpfilenam);
 186
 187     if (fstat (fd, &st) == NOTOK) {
 188         (void) m_unlink (tmpfilenam);
 189         adios (tmpfilenam, "unable to fstat");
 190     }
 191     if (close (fd) == NOTOK)
 192         adios (tmpfilenam, "error closing");
 193
 194     /* don't add file if it is empty */
 195     if (st.st_size == 0) {
 196         (void) m_unlink (tmpfilenam);
 197         inform("empty file");
 198         done (0);
 199     }
 200
 201     /*
 202      * read folder and create message structure
 203      */
 204     if (!(mp = folder_read (folder, 1)))
 205         die("unable to read folder %s", folder);
 206
 207     /*
 208      * Link message into folder, and possibly add
 209      * to the Unseen-Sequence's.
 210      */
 211     if ((msgnum = folder_addmsg (&mp, tmpfilenam, 0, unseensw, 0, 0, NULL)) == -1)
 212         done (1);
 213
 214     /*
 215      * Add the message to any extra sequences
 216      * that have been specified.
 217      */
 218     if (seqp) {
 219         /* The only reason that seqp was checked to be non-zero is in
 220            case a -nosequence switch is added. */
 221         for (seqp = 0; seqp < svector_size (seqs); seqp++) {
 222             if (!seq_addmsg (mp, svector_at (seqs, seqp), msgnum, publicsw,
 223                              zerosw))
 224                 done (1);
 225         }
 226     }
 227
 228     svector_free (seqs);
 229     seq_setunseen (mp, 0);      /* synchronize any Unseen-Sequence's      */
 230     seq_save (mp);              /* synchronize and save message sequences */
 231     folder_free (mp);           /* free folder/message structure          */
 232
 233     context_save ();            /* save the global context file           */
 234     (void) m_unlink (tmpfilenam); /* remove temporary file                  */
 235     tmpfilenam = NULL;
 236
 237     done (0);
 238     return 1;
 239 }
 240
 241 /*
 242  * Clean up and exit
 243  */
 244 static void NORETURN
 245 unlink_done(int status)
 246 {
 247     if (tmpfilenam && *tmpfilenam)
 248         (void) m_unlink (tmpfilenam);
 249     exit (status);
 250 }