diff options
Diffstat (limited to 'g10/status.c')
| -rw-r--r-- | g10/status.c | 693 |
1 files changed, 0 insertions, 693 deletions
diff --git a/g10/status.c b/g10/status.c deleted file mode 100644 index 799b42edc..000000000 --- a/g10/status.c +++ /dev/null @@ -1,693 +0,0 @@ -/* status.c - * Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include <config.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <signal.h> -#ifdef USE_SHM_COPROCESSING - #ifdef USE_CAPABILITIES - #include <sys/capability.h> - #endif - #ifdef HAVE_SYS_IPC_H - #include <sys/types.h> - #include <sys/ipc.h> - #endif - #ifdef HAVE_SYS_SHM_H - #include <sys/shm.h> - #endif - #if defined(HAVE_MLOCK) - #include <sys/mman.h> - #endif -#endif -#include "util.h" -#include "status.h" -#include "ttyio.h" -#include "options.h" -#include "main.h" -#include "i18n.h" -#include "cipher.h" /* for progress functions */ - -#define CONTROL_D ('D' - 'A' + 1) - - - -static FILE *statusfp; - -#ifdef USE_SHM_COPROCESSING - static int shm_id = -1; - static volatile char *shm_area; - static size_t shm_size; - static int shm_is_locked; -#endif /*USE_SHM_COPROCESSING*/ - - -static void -progress_cb ( void *ctx, int c ) -{ - char buf[50]; - - if ( c == '\n' ) - sprintf ( buf, "%.20s X 100 100", (char*)ctx ); - else - sprintf ( buf, "%.20s %c 0 0", (char*)ctx, c ); - write_status_text ( STATUS_PROGRESS, buf ); -} - -static const char * -get_status_string ( int no ) -{ - const char *s; - - switch( no ) { - case STATUS_ENTER : s = "ENTER"; break; - case STATUS_LEAVE : s = "LEAVE"; break; - case STATUS_ABORT : s = "ABORT"; break; - case STATUS_GOODSIG: s = "GOODSIG"; break; - case STATUS_KEYEXPIRED: s = "KEYEXPIRED"; break; - case STATUS_KEYREVOKED: s = "KEYREVOKED"; break; - case STATUS_BADSIG : s = "BADSIG"; break; - case STATUS_ERRSIG : s = "ERRSIG"; break; - case STATUS_BADARMOR : s = "BADARMOR"; break; - case STATUS_RSA_OR_IDEA : s= "RSA_OR_IDEA"; break; - case STATUS_TRUST_UNDEFINED: s = "TRUST_UNDEFINED"; break; - case STATUS_TRUST_NEVER : s = "TRUST_NEVER"; break; - case STATUS_TRUST_MARGINAL : s = "TRUST_MARGINAL"; break; - case STATUS_TRUST_FULLY : s = "TRUST_FULLY"; break; - case STATUS_TRUST_ULTIMATE : s = "TRUST_ULTIMATE"; break; - case STATUS_GET_BOOL : s = "GET_BOOL"; break; - case STATUS_GET_LINE : s = "GET_LINE"; break; - case STATUS_GET_HIDDEN : s = "GET_HIDDEN"; break; - case STATUS_GOT_IT : s = "GOT_IT"; break; - case STATUS_SHM_INFO : s = "SHM_INFO"; break; - case STATUS_SHM_GET : s = "SHM_GET"; break; - case STATUS_SHM_GET_BOOL : s = "SHM_GET_BOOL"; break; - case STATUS_SHM_GET_HIDDEN : s = "SHM_GET_HIDDEN"; break; - case STATUS_NEED_PASSPHRASE: s = "NEED_PASSPHRASE"; break; - case STATUS_VALIDSIG : s = "VALIDSIG"; break; - case STATUS_SIG_ID : s = "SIG_ID"; break; - case STATUS_ENC_TO : s = "ENC_TO"; break; - case STATUS_NODATA : s = "NODATA"; break; - case STATUS_BAD_PASSPHRASE : s = "BAD_PASSPHRASE"; break; - case STATUS_NO_PUBKEY : s = "NO_PUBKEY"; break; - case STATUS_NO_SECKEY : s = "NO_SECKEY"; break; - case STATUS_NEED_PASSPHRASE_SYM: s = "NEED_PASSPHRASE_SYM"; break; - case STATUS_DECRYPTION_FAILED: s = "DECRYPTION_FAILED"; break; - case STATUS_DECRYPTION_OKAY: s = "DECRYPTION_OKAY"; break; - case STATUS_MISSING_PASSPHRASE: s = "MISSING_PASSPHRASE"; break; - case STATUS_GOOD_PASSPHRASE : s = "GOOD_PASSPHRASE"; break; - case STATUS_GOODMDC : s = "GOODMDC"; break; - case STATUS_BADMDC : s = "BADMDC"; break; - case STATUS_ERRMDC : s = "ERRMDC"; break; - case STATUS_IMPORTED : s = "IMPORTED"; break; - case STATUS_IMPORT_OK : s = "IMPORT_OK"; break; - case STATUS_IMPORT_RES : s = "IMPORT_RES"; break; - case STATUS_FILE_START : s = "FILE_START"; break; - case STATUS_FILE_DONE : s = "FILE_DONE"; break; - case STATUS_FILE_ERROR : s = "FILE_ERROR"; break; - case STATUS_BEGIN_DECRYPTION:s = "BEGIN_DECRYPTION"; break; - case STATUS_END_DECRYPTION : s = "END_DECRYPTION"; break; - case STATUS_BEGIN_ENCRYPTION:s = "BEGIN_ENCRYPTION"; break; - case STATUS_END_ENCRYPTION : s = "END_ENCRYPTION"; break; - case STATUS_DELETE_PROBLEM : s = "DELETE_PROBLEM"; break; - case STATUS_PROGRESS : s = "PROGRESS"; break; - case STATUS_SIG_CREATED : s = "SIG_CREATED"; break; - case STATUS_SESSION_KEY : s = "SESSION_KEY"; break; - case STATUS_NOTATION_NAME : s = "NOTATION_NAME" ; break; - case STATUS_NOTATION_DATA : s = "NOTATION_DATA" ; break; - case STATUS_POLICY_URL : s = "POLICY_URL" ; break; - case STATUS_BEGIN_STREAM : s = "BEGIN_STREAM"; break; - case STATUS_END_STREAM : s = "END_STREAM"; break; - case STATUS_KEY_CREATED : s = "KEY_CREATED"; break; - case STATUS_USERID_HINT : s = "USERID_HINT"; break; - case STATUS_UNEXPECTED : s = "UNEXPECTED"; break; - case STATUS_INV_RECP : s = "INV_RECP"; break; - case STATUS_NO_RECP : s = "NO_RECP"; break; - case STATUS_ALREADY_SIGNED : s = "ALREADY_SIGNED"; break; - case STATUS_SIGEXPIRED : s = "SIGEXPIRED deprecated-use-keyexpired-instead"; break; - case STATUS_EXPSIG : s = "EXPSIG"; break; - case STATUS_EXPKEYSIG : s = "EXPKEYSIG"; break; - case STATUS_ATTRIBUTE : s = "ATTRIBUTE"; break; - default: s = "?"; break; - } - return s; -} - -void -set_status_fd ( int fd ) -{ - static int last_fd = -1; - - if ( fd != -1 && last_fd == fd ) - return; - - if ( statusfp && statusfp != stdout && statusfp != stderr ) - fclose (statusfp); - statusfp = NULL; - if ( fd == -1 ) - return; - - if( fd == 1 ) - statusfp = stdout; - else if( fd == 2 ) - statusfp = stderr; - else - statusfp = fdopen( fd, "w" ); - if( !statusfp ) { - log_fatal("can't open fd %d for status output: %s\n", - fd, strerror(errno)); - } - last_fd = fd; - register_primegen_progress ( progress_cb, "primegen" ); - register_pk_dsa_progress ( progress_cb, "pk_dsa" ); - register_pk_elg_progress ( progress_cb, "pk_elg" ); -} - -int -is_status_enabled() -{ - return !!statusfp; -} - -void -write_status ( int no ) -{ - write_status_text( no, NULL ); -} - -void -write_status_text ( int no, const char *text) -{ - if( !statusfp ) - return; /* not enabled */ - - fputs ( "[GNUPG:] ", statusfp ); - fputs ( get_status_string (no), statusfp ); - if( text ) { - putc ( ' ', statusfp ); - for (; *text; text++) { - if (*text == '\n') - fputs ( "\\n", statusfp ); - else if (*text == '\r') - fputs ( "\\r", statusfp ); - else - putc ( *(const byte *)text, statusfp ); - } - } - putc ('\n',statusfp); - fflush (statusfp); -} - - -/* - * Write a status line with a buffer using %XX escapes. If WRAP is > - * 0 wrap the line after this length. If STRING is not NULL it will - * be prepended to the buffer, no escaping is done for string. - * A wrap of -1 forces spaces not to be encoded as %20. - */ -void -write_status_text_and_buffer ( int no, const char *string, - const char *buffer, size_t len, int wrap ) -{ - const char *s, *text; - int esc, first; - int lower_limit = ' '; - size_t n, count, dowrap; - - if( !statusfp ) - return; /* not enabled */ - - if (wrap == -1) { - lower_limit--; - wrap = 0; - } - - text = get_status_string (no); - count = dowrap = first = 1; - do { - if (dowrap) { - fprintf (statusfp, "[GNUPG:] %s ", text ); - count = dowrap = 0; - if (first && string) { - fputs (string, statusfp); - count += strlen (string); - } - first = 0; - } - for (esc=0, s=buffer, n=len; n && !esc; s++, n-- ) { - if ( *s == '%' || *(const byte*)s <= lower_limit - || *(const byte*)s == 127 ) - esc = 1; - if ( wrap && ++count > wrap ) { - dowrap=1; - break; - } - } - if (esc) { - s--; n++; - } - if (s != buffer) - fwrite (buffer, s-buffer, 1, statusfp ); - if ( esc ) { - fprintf (statusfp, "%%%02X", *(const byte*)s ); - s++; n--; - } - buffer = s; - len = n; - if ( dowrap && len ) - putc ( '\n', statusfp ); - } while ( len ); - - putc ('\n',statusfp); - fflush (statusfp); -} - -void -write_status_buffer ( int no, const char *buffer, size_t len, int wrap ) -{ - write_status_text_and_buffer (no, NULL, buffer, len, wrap); -} - - - -#ifdef USE_SHM_COPROCESSING - -#ifndef IPC_RMID_DEFERRED_RELEASE -static void -remove_shmid( void ) -{ - if( shm_id != -1 ) { - shmctl ( shm_id, IPC_RMID, 0); - shm_id = -1; - } -} -#endif - -void -init_shm_coprocessing ( ulong requested_shm_size, int lock_mem ) -{ - char buf[100]; - struct shmid_ds shmds; - - #ifndef IPC_RMID_DEFERRED_RELEASE - atexit( remove_shmid ); - #endif - requested_shm_size = (requested_shm_size + 4095) & ~4095; - if ( requested_shm_size > 2 * 4096 ) - log_fatal("too much shared memory requested; only 8k are allowed\n"); - shm_size = 4096 /* one page for us */ + requested_shm_size; - - shm_id = shmget( IPC_PRIVATE, shm_size, IPC_CREAT | 0700 ); - if ( shm_id == -1 ) - log_fatal("can't get %uk of shared memory: %s\n", - (unsigned)shm_size/1024, strerror(errno)); - - #if !defined(IPC_HAVE_SHM_LOCK) \ - && defined(HAVE_MLOCK) && !defined(HAVE_BROKEN_MLOCK) - /* part of the old code which uses mlock */ - shm_area = shmat( shm_id, 0, 0 ); - if ( shm_area == (char*)-1 ) - log_fatal("can't attach %uk shared memory: %s\n", - (unsigned)shm_size/1024, strerror(errno)); - log_debug("mapped %uk shared memory at %p, id=%d\n", - (unsigned)shm_size/1024, shm_area, shm_id ); - if( lock_mem ) { - #ifdef USE_CAPABILITIES - cap_set_proc( cap_from_text("cap_ipc_lock+ep") ); - #endif - /* (need the cast for Solaris with Sun's workshop compilers) */ - if ( mlock ( (char*)shm_area, shm_size) ) - log_info("locking shared memory %d failed: %s\n", - shm_id, strerror(errno)); - else - shm_is_locked = 1; - #ifdef USE_CAPABILITIES - cap_set_proc( cap_from_text("cap_ipc_lock+p") ); - #endif - } - - #ifdef IPC_RMID_DEFERRED_RELEASE - if( shmctl( shm_id, IPC_RMID, 0) ) - log_fatal("shmctl IPC_RMDID of %d failed: %s\n", - shm_id, strerror(errno)); - #endif - - if( shmctl( shm_id, IPC_STAT, &shmds ) ) - log_fatal("shmctl IPC_STAT of %d failed: %s\n", - shm_id, strerror(errno)); - if( shmds.shm_perm.uid != getuid() ) { - shmds.shm_perm.uid = getuid(); - if( shmctl( shm_id, IPC_SET, &shmds ) ) - log_fatal("shmctl IPC_SET of %d failed: %s\n", - shm_id, strerror(errno)); - } - - #else /* this is the new code which handles the changes in the SHM semantics - * introduced with Linux 2.4. The changes is that we now change the - * permissions and then attach to the memory. - */ - - if( lock_mem ) { - #ifdef USE_CAPABILITIES - cap_set_proc( cap_from_text("cap_ipc_lock+ep") ); - #endif - #ifdef IPC_HAVE_SHM_LOCK - if ( shmctl (shm_id, SHM_LOCK, 0) ) - log_info("locking shared memory %d failed: %s\n", - shm_id, strerror(errno)); - else - shm_is_locked = 1; - #else - log_info("Locking shared memory %d failed: No way to do it\n", shm_id ); - #endif - #ifdef USE_CAPABILITIES - cap_set_proc( cap_from_text("cap_ipc_lock+p") ); - #endif - } - - if( shmctl( shm_id, IPC_STAT, &shmds ) ) - log_fatal("shmctl IPC_STAT of %d failed: %s\n", - shm_id, strerror(errno)); - if( shmds.shm_perm.uid != getuid() ) { - shmds.shm_perm.uid = getuid(); - if( shmctl( shm_id, IPC_SET, &shmds ) ) - log_fatal("shmctl IPC_SET of %d failed: %s\n", - shm_id, strerror(errno)); - } - - shm_area = shmat( shm_id, 0, 0 ); - if ( shm_area == (char*)-1 ) - log_fatal("can't attach %uk shared memory: %s\n", - (unsigned)shm_size/1024, strerror(errno)); - log_debug("mapped %uk shared memory at %p, id=%d\n", - (unsigned)shm_size/1024, shm_area, shm_id ); - - #ifdef IPC_RMID_DEFERRED_RELEASE - if( shmctl( shm_id, IPC_RMID, 0) ) - log_fatal("shmctl IPC_RMDID of %d failed: %s\n", - shm_id, strerror(errno)); - #endif - - #endif - /* write info; Protocol version, id, size, locked size */ - sprintf( buf, "pv=1 pid=%d shmid=%d sz=%u lz=%u", (int)getpid(), - shm_id, (unsigned)shm_size, shm_is_locked? (unsigned)shm_size:0 ); - write_status_text( STATUS_SHM_INFO, buf ); -} - -/**************** - * Request a string from client - * If bool, returns static string on true (do not free) or NULL for false - */ -static char * -do_shm_get( const char *keyword, int hidden, int bool ) -{ - size_t n; - byte *p; - char *string; - - if( !shm_area ) - BUG(); - - shm_area[0] = 0; /* msb of length of control block */ - shm_area[1] = 32; /* and lsb */ - shm_area[2] = 1; /* indicate that we are waiting on a reply */ - shm_area[3] = 0; /* clear data available flag */ - - write_status_text( bool? STATUS_SHM_GET_BOOL : - hidden? STATUS_SHM_GET_HIDDEN : STATUS_SHM_GET, keyword ); - - do { - pause_on_sigusr(1); - if( shm_area[0] || shm_area[1] != 32 || shm_area[2] != 1 ) - log_fatal("client modified shm control block - abort\n"); - } while( !shm_area[3] ); - shm_area[2] = 0; /* reset request flag */ - p = (byte*)shm_area+32; - n = p[0] << 8 | p[1]; - p += 2; - if( n+32+2+1 > 4095 ) - log_fatal("client returns too large data (%u bytes)\n", (unsigned)n ); - - if( bool ) - return p[0]? "" : NULL; - - string = hidden? m_alloc_secure( n+1 ) : m_alloc( n+1 ); - memcpy(string, p, n ); - string[n] = 0; /* make sure it is a string */ - if( hidden ) /* invalidate the memory */ - memset( p, 0, n ); - - return string; -} - -#endif /* USE_SHM_COPROCESSING */ - -static int -myread(int fd, void *buf, size_t count) -{ - int rc; - do { - rc = read( fd, buf, count ); - } while ( rc == -1 && errno == EINTR ); - if ( !rc && count ) { - static int eof_emmited=0; - if ( eof_emmited < 3 ) { - *(char*)buf = CONTROL_D; - rc = 1; - eof_emmited++; - } - else { /* Ctrl-D not caught - do something reasonable */ - #ifdef HAVE_DOSISH_SYSTEM - raise (SIGINT); /* nothing to hangup under DOS */ - #else - raise (SIGHUP); /* no more input data */ - #endif - } - } - return rc; -} - - - -/**************** - * Request a string from the client over the command-fd - * If bool, returns static string on true (do not free) or NULL for false - */ -static char * -do_get_from_fd( const char *keyword, int hidden, int bool ) -{ - int i, len; - char *string; - - write_status_text( bool? STATUS_GET_BOOL : - hidden? STATUS_GET_HIDDEN : STATUS_GET_LINE, keyword ); - - for( string = NULL, i = len = 200; ; i++ ) { - if( i >= len-1 ) { - char *save = string; - len += 100; - string = hidden? m_alloc_secure ( len ) : m_alloc ( len ); - if( save ) - memcpy(string, save, i ); - else - i=0; - } - /* Hmmm: why not use our read_line function here */ - if( myread( opt.command_fd, string+i, 1) != 1 || string[i] == '\n' ) - break; - else if ( string[i] == CONTROL_D ) { - /* found ETX - cancel the line and return a sole ETX */ - string[0] = CONTROL_D; - i=1; - break; - } - } - string[i] = 0; - - write_status( STATUS_GOT_IT ); - - if( bool ) /* Fixme: is this correct??? */ - return string[0] == 'Y' ? "" : NULL; - - return string; -} - - - -int -cpr_enabled() -{ - if( opt.command_fd != -1 ) - return 1; - #ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return 1; - #endif - return 0; -} - -char * -cpr_get_no_help( const char *keyword, const char *prompt ) -{ - char *p; - - if( opt.command_fd != -1 ) - return do_get_from_fd ( keyword, 0, 0 ); - #ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return do_shm_get( keyword, 0, 0 ); - #endif - for(;;) { - p = tty_get( prompt ); - return p; - } -} - -char * -cpr_get( const char *keyword, const char *prompt ) -{ - char *p; - - if( opt.command_fd != -1 ) - return do_get_from_fd ( keyword, 0, 0 ); - #ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return do_shm_get( keyword, 0, 0 ); - #endif - for(;;) { - p = tty_get( prompt ); - if( *p=='?' && !p[1] && !(keyword && !*keyword)) { - m_free(p); - display_online_help( keyword ); - } - else - return p; - } -} - - -char * -cpr_get_utf8( const char *keyword, const char *prompt ) -{ - char *p; - p = cpr_get( keyword, prompt ); - if( p ) { - char *utf8 = native_to_utf8( p ); - m_free( p ); - p = utf8; - } - return p; -} - -char * -cpr_get_hidden( const char *keyword, const char *prompt ) -{ - char *p; - - if( opt.command_fd != -1 ) - return do_get_from_fd ( keyword, 1, 0 ); - #ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return do_shm_get( keyword, 1, 0 ); - #endif - for(;;) { - p = tty_get_hidden( prompt ); - if( *p == '?' && !p[1] ) { - m_free(p); - display_online_help( keyword ); - } - else - return p; - } -} - -void -cpr_kill_prompt(void) -{ - if( opt.command_fd != -1 ) - return; - #ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return; - #endif - tty_kill_prompt(); - return; -} - -int -cpr_get_answer_is_yes( const char *keyword, const char *prompt ) -{ - int yes; - char *p; - - if( opt.command_fd != -1 ) - return !!do_get_from_fd ( keyword, 0, 1 ); -#ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return !!do_shm_get( keyword, 0, 1 ); -#endif - for(;;) { - p = tty_get( prompt ); - trim_spaces(p); /* it is okay to do this here */ - if( *p == '?' && !p[1] ) { - m_free(p); - display_online_help( keyword ); - } - else { - tty_kill_prompt(); - yes = answer_is_yes(p); - m_free(p); - return yes; - } - } -} - -int -cpr_get_answer_yes_no_quit( const char *keyword, const char *prompt ) -{ - int yes; - char *p; - - if( opt.command_fd != -1 ) - return !!do_get_from_fd ( keyword, 0, 1 ); -#ifdef USE_SHM_COPROCESSING - if( opt.shm_coprocess ) - return !!do_shm_get( keyword, 0, 1 ); -#endif - for(;;) { - p = tty_get( prompt ); - trim_spaces(p); /* it is okay to do this here */ - if( *p == '?' && !p[1] ) { - m_free(p); - display_online_help( keyword ); - } - else { - tty_kill_prompt(); - yes = answer_is_yes_no_quit(p); - m_free(p); - return yes; - } - } -} - |