mirror of
git://git.gnupg.org/gnupg.git
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473 lines
12 KiB
C
473 lines
12 KiB
C
/* status.c
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* Copyright (C) 1998, 1999, 2000, 2001, 2002,
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* 2003 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <signal.h>
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#include "gpg.h"
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#include "util.h"
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#include "status.h"
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#include "ttyio.h"
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#include "options.h"
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#include "main.h"
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#include "i18n.h"
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#include "cipher.h" /* for progress functions */
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#define CONTROL_D ('D' - 'A' + 1)
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static FILE *statusfp;
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static void
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progress_cb (void *ctx, const char *what, int printchar, int current, int total)
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{
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char buf[150];
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if (printchar == '\n')
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printchar = 'X';
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sprintf (buf, "%.20s %c %d %d", what, printchar, current, total);
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write_status_text (STATUS_PROGRESS, buf);
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}
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static const char *
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get_status_string ( int no )
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{
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const char *s;
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switch( no ) {
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case STATUS_ENTER : s = "ENTER"; break;
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case STATUS_LEAVE : s = "LEAVE"; break;
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case STATUS_ABORT : s = "ABORT"; break;
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case STATUS_GOODSIG: s = "GOODSIG"; break;
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case STATUS_KEYEXPIRED: s = "KEYEXPIRED"; break;
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case STATUS_KEYREVOKED: s = "KEYREVOKED"; break;
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case STATUS_BADSIG : s = "BADSIG"; break;
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case STATUS_ERRSIG : s = "ERRSIG"; break;
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case STATUS_BADARMOR : s = "BADARMOR"; break;
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case STATUS_RSA_OR_IDEA : s= "RSA_OR_IDEA"; break;
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case STATUS_TRUST_UNDEFINED: s = "TRUST_UNDEFINED"; break;
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case STATUS_TRUST_NEVER : s = "TRUST_NEVER"; break;
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case STATUS_TRUST_MARGINAL : s = "TRUST_MARGINAL"; break;
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case STATUS_TRUST_FULLY : s = "TRUST_FULLY"; break;
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case STATUS_TRUST_ULTIMATE : s = "TRUST_ULTIMATE"; break;
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case STATUS_GET_BOOL : s = "GET_BOOL"; break;
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case STATUS_GET_LINE : s = "GET_LINE"; break;
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case STATUS_GET_HIDDEN : s = "GET_HIDDEN"; break;
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case STATUS_GOT_IT : s = "GOT_IT"; break;
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case STATUS_SHM_INFO : s = "SHM_INFO"; break;
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case STATUS_SHM_GET : s = "SHM_GET"; break;
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case STATUS_SHM_GET_BOOL : s = "SHM_GET_BOOL"; break;
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case STATUS_SHM_GET_HIDDEN : s = "SHM_GET_HIDDEN"; break;
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case STATUS_NEED_PASSPHRASE: s = "NEED_PASSPHRASE"; break;
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case STATUS_VALIDSIG : s = "VALIDSIG"; break;
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case STATUS_SIG_ID : s = "SIG_ID"; break;
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case STATUS_ENC_TO : s = "ENC_TO"; break;
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case STATUS_NODATA : s = "NODATA"; break;
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case STATUS_BAD_PASSPHRASE : s = "BAD_PASSPHRASE"; break;
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case STATUS_NO_PUBKEY : s = "NO_PUBKEY"; break;
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case STATUS_NO_SECKEY : s = "NO_SECKEY"; break;
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case STATUS_NEED_PASSPHRASE_SYM: s = "NEED_PASSPHRASE_SYM"; break;
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case STATUS_DECRYPTION_FAILED: s = "DECRYPTION_FAILED"; break;
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case STATUS_DECRYPTION_OKAY: s = "DECRYPTION_OKAY"; break;
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case STATUS_MISSING_PASSPHRASE: s = "MISSING_PASSPHRASE"; break;
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case STATUS_GOOD_PASSPHRASE : s = "GOOD_PASSPHRASE"; break;
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case STATUS_GOODMDC : s = "GOODMDC"; break;
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case STATUS_BADMDC : s = "BADMDC"; break;
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case STATUS_ERRMDC : s = "ERRMDC"; break;
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case STATUS_IMPORTED : s = "IMPORTED"; break;
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case STATUS_IMPORT_OK : s = "IMPORT_OK"; break;
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case STATUS_IMPORT_CHECK : s = "IMPORT_CHECK"; break;
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case STATUS_IMPORT_RES : s = "IMPORT_RES"; break;
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case STATUS_FILE_START : s = "FILE_START"; break;
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case STATUS_FILE_DONE : s = "FILE_DONE"; break;
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case STATUS_FILE_ERROR : s = "FILE_ERROR"; break;
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case STATUS_BEGIN_DECRYPTION:s = "BEGIN_DECRYPTION"; break;
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case STATUS_END_DECRYPTION : s = "END_DECRYPTION"; break;
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case STATUS_BEGIN_ENCRYPTION:s = "BEGIN_ENCRYPTION"; break;
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case STATUS_END_ENCRYPTION : s = "END_ENCRYPTION"; break;
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case STATUS_DELETE_PROBLEM : s = "DELETE_PROBLEM"; break;
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case STATUS_PROGRESS : s = "PROGRESS"; break;
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case STATUS_SIG_CREATED : s = "SIG_CREATED"; break;
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case STATUS_SESSION_KEY : s = "SESSION_KEY"; break;
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case STATUS_NOTATION_NAME : s = "NOTATION_NAME" ; break;
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case STATUS_NOTATION_DATA : s = "NOTATION_DATA" ; break;
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case STATUS_POLICY_URL : s = "POLICY_URL" ; break;
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case STATUS_BEGIN_STREAM : s = "BEGIN_STREAM"; break;
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case STATUS_END_STREAM : s = "END_STREAM"; break;
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case STATUS_KEY_CREATED : s = "KEY_CREATED"; break;
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case STATUS_USERID_HINT : s = "USERID_HINT"; break;
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case STATUS_UNEXPECTED : s = "UNEXPECTED"; break;
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case STATUS_INV_RECP : s = "INV_RECP"; break;
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case STATUS_NO_RECP : s = "NO_RECP"; break;
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case STATUS_ALREADY_SIGNED : s = "ALREADY_SIGNED"; break;
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case STATUS_SIGEXPIRED : s = "SIGEXPIRED deprecated-use-keyexpired-instead"; break;
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case STATUS_EXPSIG : s = "EXPSIG"; break;
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case STATUS_EXPKEYSIG : s = "EXPKEYSIG"; break;
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case STATUS_REVKEYSIG : s = "REVKEYSIG"; break;
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case STATUS_ATTRIBUTE : s = "ATTRIBUTE"; break;
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default: s = "?"; break;
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}
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return s;
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}
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void
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set_status_fd ( int fd )
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{
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static int last_fd = -1;
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if ( fd != -1 && last_fd == fd )
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return;
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if ( statusfp && statusfp != stdout && statusfp != stderr )
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fclose (statusfp);
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statusfp = NULL;
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if ( fd == -1 )
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return;
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if( fd == 1 )
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statusfp = stdout;
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else if( fd == 2 )
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statusfp = stderr;
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else
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statusfp = fdopen( fd, "w" );
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if( !statusfp ) {
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log_fatal("can't open fd %d for status output: %s\n",
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fd, strerror(errno));
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}
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last_fd = fd;
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gcry_set_progress_handler (progress_cb, NULL);
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}
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int
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is_status_enabled()
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{
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return !!statusfp;
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}
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void
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write_status ( int no )
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{
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write_status_text( no, NULL );
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}
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void
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write_status_text ( int no, const char *text)
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{
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if( !statusfp )
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return; /* not enabled */
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fputs ( "[GNUPG:] ", statusfp );
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fputs ( get_status_string (no), statusfp );
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if( text ) {
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putc ( ' ', statusfp );
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for (; *text; text++) {
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if (*text == '\n')
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fputs ( "\\n", statusfp );
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else if (*text == '\r')
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fputs ( "\\r", statusfp );
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else
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putc ( *(const byte *)text, statusfp );
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}
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}
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putc ('\n',statusfp);
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fflush (statusfp);
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}
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/*
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* Write a status line with a buffer using %XX escapes. If WRAP is >
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* 0 wrap the line after this length. If STRING is not NULL it will
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* be prepended to the buffer, no escaping is done for string.
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* A wrap of -1 forces spaces not to be encoded as %20.
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*/
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void
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write_status_text_and_buffer ( int no, const char *string,
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const char *buffer, size_t len, int wrap )
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{
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const char *s, *text;
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int esc, first;
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int lower_limit = ' ';
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size_t n, count, dowrap;
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if( !statusfp )
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return; /* not enabled */
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if (wrap == -1) {
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lower_limit--;
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wrap = 0;
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}
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text = get_status_string (no);
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count = dowrap = first = 1;
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do {
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if (dowrap) {
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fprintf (statusfp, "[GNUPG:] %s ", text );
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count = dowrap = 0;
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if (first && string) {
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fputs (string, statusfp);
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count += strlen (string);
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}
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first = 0;
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}
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for (esc=0, s=buffer, n=len; n && !esc; s++, n-- ) {
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if ( *s == '%' || *(const byte*)s <= lower_limit
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|| *(const byte*)s == 127 )
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esc = 1;
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if ( wrap && ++count > wrap ) {
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dowrap=1;
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break;
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}
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}
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if (esc) {
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s--; n++;
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}
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if (s != buffer)
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fwrite (buffer, s-buffer, 1, statusfp );
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if ( esc ) {
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fprintf (statusfp, "%%%02X", *(const byte*)s );
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s++; n--;
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}
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buffer = s;
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len = n;
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if ( dowrap && len )
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putc ( '\n', statusfp );
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} while ( len );
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putc ('\n',statusfp);
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fflush (statusfp);
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}
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void
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write_status_buffer ( int no, const char *buffer, size_t len, int wrap )
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{
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write_status_text_and_buffer (no, NULL, buffer, len, wrap);
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}
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static int
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myread(int fd, void *buf, size_t count)
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{
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int rc;
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do {
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rc = read( fd, buf, count );
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} while ( rc == -1 && errno == EINTR );
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if ( !rc && count ) {
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static int eof_emmited=0;
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if ( eof_emmited < 3 ) {
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*(char*)buf = CONTROL_D;
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rc = 1;
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eof_emmited++;
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}
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else { /* Ctrl-D not caught - do something reasonable */
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#ifdef HAVE_DOSISH_SYSTEM
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raise (SIGINT); /* nothing to hangup under DOS */
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#else
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raise (SIGHUP); /* no more input data */
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#endif
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}
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}
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return rc;
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}
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/****************
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* Request a string from the client over the command-fd
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* If bool, returns static string on true (do not free) or NULL for false
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*/
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static char *
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do_get_from_fd( const char *keyword, int hidden, int bool )
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{
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int i, len;
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char *string;
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write_status_text( bool? STATUS_GET_BOOL :
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hidden? STATUS_GET_HIDDEN : STATUS_GET_LINE, keyword );
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for( string = NULL, i = len = 200; ; i++ ) {
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if( i >= len-1 ) {
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char *save = string;
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len += 100;
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string = hidden? xmalloc_secure ( len ) : xmalloc ( len );
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if( save )
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memcpy(string, save, i );
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else
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i=0;
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}
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/* Hmmm: why not use our read_line function here */
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if( myread( opt.command_fd, string+i, 1) != 1 || string[i] == '\n' )
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break;
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else if ( string[i] == CONTROL_D ) {
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/* found ETX - cancel the line and return a sole ETX */
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string[0] = CONTROL_D;
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i=1;
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break;
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}
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}
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string[i] = 0;
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write_status( STATUS_GOT_IT );
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if( bool ) /* Fixme: is this correct??? */
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return (string[0] == 'Y' || string[0] == 'y') ? "" : NULL;
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return string;
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}
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int
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cpr_enabled()
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{
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if( opt.command_fd != -1 )
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return 1;
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return 0;
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}
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char *
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cpr_get_no_help( const char *keyword, const char *prompt )
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{
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char *p;
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if( opt.command_fd != -1 )
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return do_get_from_fd ( keyword, 0, 0 );
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for(;;) {
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p = tty_get( prompt );
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return p;
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}
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}
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char *
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cpr_get( const char *keyword, const char *prompt )
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{
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char *p;
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if( opt.command_fd != -1 )
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return do_get_from_fd ( keyword, 0, 0 );
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for(;;) {
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p = tty_get( prompt );
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if( *p=='?' && !p[1] && !(keyword && !*keyword)) {
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xfree (p);
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display_online_help( keyword );
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}
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else
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return p;
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}
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}
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char *
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cpr_get_utf8( const char *keyword, const char *prompt )
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{
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char *p;
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p = cpr_get( keyword, prompt );
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if( p ) {
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char *utf8 = native_to_utf8( p );
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xfree ( p );
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p = utf8;
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}
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return p;
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}
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char *
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cpr_get_hidden( const char *keyword, const char *prompt )
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{
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char *p;
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if( opt.command_fd != -1 )
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return do_get_from_fd ( keyword, 1, 0 );
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for(;;) {
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p = tty_get_hidden( prompt );
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if( *p == '?' && !p[1] ) {
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xfree (p);
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display_online_help( keyword );
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}
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else
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return p;
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}
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}
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void
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cpr_kill_prompt(void)
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{
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if( opt.command_fd != -1 )
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return;
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tty_kill_prompt();
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return;
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}
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int
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cpr_get_answer_is_yes( const char *keyword, const char *prompt )
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{
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int yes;
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char *p;
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if( opt.command_fd != -1 )
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return !!do_get_from_fd ( keyword, 0, 1 );
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for(;;) {
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p = tty_get( prompt );
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trim_spaces(p); /* it is okay to do this here */
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if( *p == '?' && !p[1] ) {
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xfree (p);
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display_online_help( keyword );
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}
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else {
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tty_kill_prompt();
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yes = answer_is_yes(p);
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xfree (p);
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return yes;
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}
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}
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}
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int
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cpr_get_answer_yes_no_quit( const char *keyword, const char *prompt )
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{
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int yes;
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char *p;
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if( opt.command_fd != -1 )
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return !!do_get_from_fd ( keyword, 0, 1 );
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for(;;) {
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p = tty_get( prompt );
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trim_spaces(p); /* it is okay to do this here */
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if( *p == '?' && !p[1] ) {
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xfree (p);
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display_online_help( keyword );
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}
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else {
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tty_kill_prompt();
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yes = answer_is_yes_no_quit(p);
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xfree (p);
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return yes;
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}
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}
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}
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