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