/*
This file is part of GNUnet.
- (C) 2006 Christian Grothoff (and other contributing authors)
+ (C) 2006-2014 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
#include <unistr.h> /* for u16_to_u8 */
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_configuration_lib.h"
-#include "gnunet_disk_lib.h"
-#include "gnunet_os_lib.h"
-#include "gnunet_strings_lib.h"
+#include "gnunet_util_lib.h"
#if DARWIN
#include <mach-o/ldsyms.h>
#include <mach-o/dyld.h>
#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
+
#if LINUX
/**
* Try to determine path by reading /proc/PID/exe
while (NULL != fgets (line, sizeof (line), f))
{
if ((1 ==
- SSCANF (line, "%*x-%*x %*c%*c%*c%*c %*x %*2u:%*2u %*u%*[ ]%1023s", dir)) &&
+ SSCANF (line, "%*x-%*x %*c%*c%*c%*c %*x %*2x:%*2x %*u%*[ ]%1023s", dir)) &&
(NULL != (lgu = strstr (dir, "libgnunetutil"))))
{
lgu[0] = '\0';
lnk[size] = '\0';
while ((lnk[size] != '/') && (size > 0))
size--;
- /* test for being in lib/gnunet/libexec/ */
+ /* test for being in lib/gnunet/libexec/ or lib/MULTIARCH/gnunet/libexec */
if ( (size > strlen ("/gnunet/libexec/")) &&
(0 == strcmp ("/gnunet/libexec/",
&lnk[size - strlen ("/gnunet/libexec/")])) )
}
#endif
-#if WINDOWS
+#if WINDOWS
static HINSTANCE dll_instance;
-/* GNUNET_util_cl_init() in common_logging.c is preferred.
+/**
+ * GNUNET_util_cl_init() in common_logging.c is preferred.
* This function is only for thread-local storage (not used in GNUnet)
* and hInstance saving.
*/
}
#endif
+
#if DARWIN
/**
* Signature of the '_NSGetExecutablePath" function.
c = _dyld_image_count ();
for (i = 0; i < c; i++)
{
- if (_dyld_get_image_header (i) != &_mh_dylib_header)
+ if (((const void *) _dyld_get_image_header (i)) != (const void *)&_mh_dylib_header)
continue;
path = _dyld_get_image_name (i);
if ( (NULL == path) || (0 == strlen (path)) )
return ret;
/* other attempts here */
LOG (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Could not determine installation path for %s. Set `%s' environment variable.\n"),
+ _("Could not determine installation path for %s. Set `%s' environment variable.\n"),
"GNUnet", "GNUNET_PREFIX");
return NULL;
}
/**
* @brief get the path to a specific GNUnet installation directory or,
- * with GNUNET_IPK_SELF_PREFIX, the current running apps installation directory
+ * with #GNUNET_OS_IPK_SELF_PREFIX, the current running apps installation directory
* @author Milan
* @return a pointer to the dir path (to be freed by the caller)
*/
const char *dirname;
char *execpath = NULL;
char *tmp;
+ char *multiarch;
+ char *libdir;
int isbasedir;
/* if wanted, try to get the current app's bin/ */
execpath[n - 4] = '\0';
n -= 4;
}
+ multiarch = NULL;
+ if (NULL != (libdir = strstr (execpath, "/lib/")))
+ {
+ /* test for multi-arch path of the form "PREFIX/lib/MULTIARCH/";
+ here we need to re-add 'multiarch' to lib and libexec paths later! */
+ multiarch = &libdir[5];
+ if (NULL == strchr (multiarch, '/'))
+ libdir[0] = '\0'; /* Debian multiarch format, cut of from 'execpath' but preserve in multicarch */
+ else
+ multiarch = NULL; /* maybe not, multiarch still has a '/', which is not OK */
+ }
/* in case this was a directory named foo-bin, remove "foo-" */
while ((n > 1) && (execpath[n - 1] == DIR_SEPARATOR))
execpath[--n] = '\0';
case GNUNET_OS_IPK_LIBDIR:
if (isbasedir)
{
- dirname =
- DIR_SEPARATOR_STR "lib" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
- tmp = GNUNET_malloc (strlen (execpath) + strlen (dirname) + 1);
- sprintf (tmp, "%s%s", execpath, dirname);
- if ( (GNUNET_YES !=
- GNUNET_DISK_directory_test (tmp, GNUNET_YES)) &&
- (4 == sizeof (void *)) )
+ GNUNET_asprintf (&tmp,
+ "%s%s%s%s%s",
+ execpath,
+ DIR_SEPARATOR_STR "lib",
+ (NULL != multiarch) ? DIR_SEPARATOR_STR : "",
+ (NULL != multiarch) ? multiarch : "",
+ DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR);
+ if (GNUNET_YES ==
+ GNUNET_DISK_directory_test (tmp, GNUNET_YES))
+ {
+ GNUNET_free (execpath);
+ return tmp;
+ }
+ GNUNET_free (tmp);
+ tmp = NULL;
+ if (4 == sizeof (void *))
{
- GNUNET_free (tmp);
dirname =
DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
- tmp = GNUNET_malloc (strlen (execpath) + strlen (dirname) + 1);
- sprintf (tmp, "%s%s", execpath, dirname);
+ GNUNET_asprintf (&tmp,
+ "%s%s",
+ execpath,
+ dirname);
}
- if ( (GNUNET_YES !=
- GNUNET_DISK_directory_test (tmp, GNUNET_YES)) &&
- (8 == sizeof (void *)) )
+ if (8 == sizeof (void *))
{
dirname =
DIR_SEPARATOR_STR "lib64" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&tmp,
+ "%s%s",
+ execpath,
+ dirname);
+ }
+
+ if ( (NULL != tmp) &&
+ (GNUNET_YES ==
+ GNUNET_DISK_directory_test (tmp, GNUNET_YES)) )
+ {
+ GNUNET_free (execpath);
+ return tmp;
}
GNUNET_free (tmp);
}
- else
- dirname = DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
+ dirname = DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
break;
case GNUNET_OS_IPK_DATADIR:
dirname =
if (isbasedir)
{
dirname =
- DIR_SEPARATOR_STR "lib" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
- tmp = GNUNET_malloc (strlen (execpath) + strlen (dirname) + 1);
- sprintf (tmp, "%s%s", execpath, dirname);
- if ( (GNUNET_YES !=
- GNUNET_DISK_directory_test (tmp, GNUNET_YES)) &&
- (4 == sizeof (void *)) )
+ DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR "libexec" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&tmp,
+ "%s%s%s%s",
+ execpath,
+ DIR_SEPARATOR_STR "lib" DIR_SEPARATOR_STR,
+ (NULL != multiarch) ? multiarch : "",
+ dirname);
+ if (GNUNET_YES ==
+ GNUNET_DISK_directory_test (tmp, GNUNET_YES))
+ {
+ GNUNET_free (execpath);
+ return tmp;
+ }
+ GNUNET_free (tmp);
+ tmp = NULL;
+ if (4 == sizeof (void *))
{
- GNUNET_free (tmp);
dirname =
DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
"libexec" DIR_SEPARATOR_STR;
- tmp = GNUNET_malloc (strlen (execpath) + strlen (dirname) + 1);
- sprintf (tmp, "%s%s", execpath, dirname);
+ GNUNET_asprintf (&tmp,
+ "%s%s",
+ execpath,
+ dirname);
}
- if ( (GNUNET_YES !=
- GNUNET_DISK_directory_test (tmp, GNUNET_YES)) &&
- (8 == sizeof (void *)) )
+ if (8 == sizeof (void *))
{
dirname =
DIR_SEPARATOR_STR "lib64" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
"libexec" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&tmp,
+ "%s%s",
+ execpath,
+ dirname);
}
+ if ( (NULL != tmp) &&
+ (GNUNET_YES ==
+ GNUNET_DISK_directory_test (tmp, GNUNET_YES)) )
+ {
+ GNUNET_free (execpath);
+ return tmp;
+ }
+
GNUNET_free (tmp);
}
- else
- dirname =
- DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
+ dirname =
+ DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
+ "libexec" DIR_SEPARATOR_STR;
break;
default:
GNUNET_free (execpath);
return NULL;
}
- tmp = GNUNET_malloc (strlen (execpath) + strlen (dirname) + 1);
- sprintf (tmp, "%s%s", execpath, dirname);
+ GNUNET_asprintf (&tmp,
+ "%s%s",
+ execpath,
+ dirname);
GNUNET_free (execpath);
return tmp;
}
char *
GNUNET_OS_get_libexec_binary_path (const char *progname)
{
+ static char *cache;
char *libexecdir;
char *binary;
- if (DIR_SEPARATOR == progname[0])
+ if ( (DIR_SEPARATOR == progname[0]) ||
+ (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (progname, GNUNET_NO, NULL, NULL)) )
return GNUNET_strdup (progname);
- libexecdir = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_LIBEXECDIR);
+ if (NULL != cache)
+ libexecdir = cache;
+ else
+ libexecdir = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_LIBEXECDIR);
if (NULL == libexecdir)
return GNUNET_strdup (progname);
GNUNET_asprintf (&binary,
"%s%s",
libexecdir,
progname);
- GNUNET_free (libexecdir);
+ cache = libexecdir;
return binary;
}
* binary with the -d flag. -d omits a programs main loop and only
* executes all privileged operations in an binary.
* @param params parameters used for w32 privilege checking (can be NULL for != w32 )
- * @return GNUNET_YES if the file is SUID (*nix) or can be executed with current privileges (W32),
- * GNUNET_NO if not SUID (but binary exists),
- * GNUNET_SYSERR on error (no such binary or not executable)
+ * @return #GNUNET_YES if the file is SUID (*nix) or can be executed with current privileges (W32),
+ * #GNUNET_NO if not SUID (but binary exists),
+ * #GNUNET_SYSERR on error (no such binary or not executable)
*/
int
GNUNET_OS_check_helper_binary (const char *binary, int check_suid, const char *params)
#endif
if (NULL == p)
{
- LOG (GNUNET_ERROR_TYPE_INFO, _("Could not find binary `%s' in PATH!\n"),
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Could not find binary `%s' in PATH!\n"),
binary);
return GNUNET_SYSERR;
}
char parameters[512];
PROCESS_INFORMATION proc;
DWORD exit_value;
-
- GNUNET_snprintf (parameters,
- sizeof (parameters),
+
+ GNUNET_snprintf (parameters,
+ sizeof (parameters),
"-d %s", params);
memset (&start, 0, sizeof (start));
start.cb = sizeof (start);
memset (&proc, 0, sizeof (proc));
-
- // Start the child process.
+
+ // Start the child process.
if ( ! (CreateProcess( p, // current windows (2k3 and up can handle / instead of \ in paths))
parameters, // execute dryrun/priviliege checking mode
NULL, // Process handle not inheritable
FALSE, // Set handle inheritance to FALSE
CREATE_DEFAULT_ERROR_MODE, // No creation flags
NULL, // Use parent's environment block
- NULL, // Use parent's starting directory
+ NULL, // Use parent's starting directory
&start, // Pointer to STARTUPINFO structure
&proc ) // Pointer to PROCESS_INFORMATION structure
- ))
+ ))
{
- LOG (GNUNET_ERROR_TYPE_ERROR,
+ LOG (GNUNET_ERROR_TYPE_ERROR,
_("CreateProcess failed for binary %s (%d).\n"),
p, GetLastError());
return GNUNET_SYSERR;
// Wait until child process exits.
WaitForSingleObject( proc.hProcess, INFINITE );
-
+
if ( ! GetExitCodeProcess (proc.hProcess, &exit_value)){
- LOG (GNUNET_ERROR_TYPE_ERROR,
- _("GetExitCodeProcess failed for binary %s (%d).\n"),
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("GetExitCodeProcess failed for binary %s (%d).\n"),
p, GetLastError() );
return GNUNET_SYSERR;
}
- // Close process and thread handles.
+ // Close process and thread handles.
CloseHandle( proc.hProcess );
CloseHandle( proc.hThread );
-
+
if (!exit_value)
return GNUNET_YES;
#endif