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