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-rw-r--r--g10/status.c226
1 files changed, 2 insertions, 224 deletions
diff --git a/g10/status.c b/g10/status.c
index 432ec575c..4414b33e9 100644
--- a/g10/status.c
+++ b/g10/status.c
@@ -1,5 +1,6 @@
/* status.c
- * Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002,
+ * 2003 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@@ -25,21 +26,6 @@
#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 "gpg.h"
#include "util.h"
@@ -56,13 +42,6 @@
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, const char *what, int printchar, int current, int total)
@@ -291,179 +270,6 @@ write_status_buffer ( int no, const char *buffer, size_t len, int 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? xmalloc_secure ( n+1 ) : xmalloc ( 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)
{
@@ -541,10 +347,6 @@ cpr_enabled()
{
if( opt.command_fd != -1 )
return 1;
-#ifdef USE_SHM_COPROCESSING
- if( opt.shm_coprocess )
- return 1;
-#endif
return 0;
}
@@ -555,10 +357,6 @@ cpr_get_no_help( const char *keyword, const char *prompt )
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;
@@ -572,10 +370,6 @@ cpr_get( const char *keyword, const char *prompt )
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)) {
@@ -608,10 +402,6 @@ cpr_get_hidden( const char *keyword, const char *prompt )
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] ) {
@@ -628,10 +418,6 @@ cpr_kill_prompt(void)
{
if( opt.command_fd != -1 )
return;
-#ifdef USE_SHM_COPROCESSING
- if( opt.shm_coprocess )
- return;
-#endif
tty_kill_prompt();
return;
}
@@ -644,10 +430,6 @@ cpr_get_answer_is_yes( const char *keyword, const char *prompt )
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 */
@@ -672,10 +454,6 @@ cpr_get_answer_yes_no_quit( const char *keyword, const char *prompt )
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 */
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 21:19:20 +0000