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- /*
- This file is part of GNUnet.
- (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
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
- GNUnet 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 GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
- */
- /**
- * @file src/util/os_installation.c
- * @brief get paths used by the program
- * @author Milan
- */
- #include <sys/stat.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <unistr.h> /* for u16_to_u8 */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #if DARWIN
- #include <mach-o/ldsyms.h>
- #include <mach-o/dyld.h>
- #elif WINDOWS
- #include <windows.h>
- #endif
- #define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
- #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
- *
- * @return NULL on error
- */
- static char *
- get_path_from_proc_maps ()
- {
- char fn[64];
- char line[1024];
- char dir[1024];
- FILE *f;
- char *lgu;
- GNUNET_snprintf (fn, sizeof (fn), "/proc/%u/maps", getpid ());
- if (NULL == (f = FOPEN (fn, "r")))
- return NULL;
- while (NULL != fgets (line, sizeof (line), f))
- {
- if ((1 ==
- SSCANF (line, "%*x-%*x %*c%*c%*c%*c %*x %*2x:%*2x %*u%*[ ]%1023s", dir)) &&
- (NULL != (lgu = strstr (dir, "libgnunetutil"))))
- {
- lgu[0] = '\0';
- FCLOSE (f);
- return GNUNET_strdup (dir);
- }
- }
- FCLOSE (f);
- return NULL;
- }
- /**
- * Try to determine path by reading /proc/PID/exe
- *
- * @return NULL on error
- */
- static char *
- get_path_from_proc_exe ()
- {
- char fn[64];
- char lnk[1024];
- ssize_t size;
- GNUNET_snprintf (fn, sizeof (fn), "/proc/%u/exe", getpid ());
- size = readlink (fn, lnk, sizeof (lnk) - 1);
- if (size <= 0)
- {
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "readlink", fn);
- return NULL;
- }
- GNUNET_assert (size < sizeof (lnk));
- lnk[size] = '\0';
- while ((lnk[size] != '/') && (size > 0))
- size--;
- /* 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/")])) )
- size -= strlen ("gnunet/libexec/");
- if ((size < 4) || (lnk[size - 4] != '/'))
- {
- /* not installed in "/bin/" -- binary path probably useless */
- return NULL;
- }
- lnk[size] = '\0';
- return GNUNET_strdup (lnk);
- }
- #endif
- #if WINDOWS
- static HINSTANCE dll_instance;
- /**
- * 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.
- */
- BOOL WINAPI
- DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
- {
- switch (fdwReason)
- {
- case DLL_PROCESS_ATTACH:
- dll_instance = hinstDLL;
- break;
- case DLL_THREAD_ATTACH:
- break;
- case DLL_THREAD_DETACH:
- break;
- case DLL_PROCESS_DETACH:
- break;
- }
- return TRUE;
- }
- /**
- * Try to determine path with win32-specific function
- *
- * @return NULL on error
- */
- static char *
- get_path_from_module_filename ()
- {
- size_t pathlen = 512;
- DWORD real_pathlen;
- wchar_t *idx;
- wchar_t *modulepath = NULL;
- char *upath;
- uint8_t *u8_string;
- size_t u8_string_length;
- /* This braindead function won't tell us how much space it needs, so
- * we start at 1024 and double the space up if it doesn't fit, until
- * it fits, or we exceed the threshold.
- */
- do
- {
- pathlen = pathlen * 2;
- modulepath = GNUNET_realloc (modulepath, pathlen * sizeof (wchar_t));
- SetLastError (0);
- real_pathlen = GetModuleFileNameW (dll_instance, modulepath, pathlen * sizeof (wchar_t));
- } while (real_pathlen >= pathlen && pathlen < 16*1024);
- if (real_pathlen >= pathlen)
- GNUNET_abort ();
- /* To be safe */
- modulepath[real_pathlen] = '\0';
- idx = modulepath + real_pathlen;
- while ((idx > modulepath) && (*idx != L'\\') && (*idx != L'/'))
- idx--;
- *idx = L'\0';
- /* Now modulepath holds full path to the directory where libgnunetutil is.
- * This directory should look like <GNUNET_PREFIX>/bin or <GNUNET_PREFIX>.
- */
- if (wcschr (modulepath, L'/') || wcschr (modulepath, L'\\'))
- {
- /* At least one directory component (i.e. we're not in a root directory) */
- wchar_t *dirname = idx;
- while ((dirname > modulepath) && (*dirname != L'\\') && (*dirname != L'/'))
- dirname--;
- *dirname = L'\0';
- if (dirname > modulepath)
- {
- dirname++;
- /* Now modulepath holds full path to the parent directory of the directory
- * where libgnunetutil is.
- * dirname holds the name of the directory where libgnunetutil is.
- */
- if (wcsicmp (dirname, L"bin") == 0)
- {
- /* pass */
- }
- else
- {
- /* Roll back our changes to modulepath */
- dirname--;
- *dirname = L'/';
- }
- }
- }
- /* modulepath is GNUNET_PREFIX */
- u8_string = u16_to_u8 (modulepath, wcslen (modulepath), NULL, &u8_string_length);
- if (NULL == u8_string)
- GNUNET_abort ();
- upath = GNUNET_malloc (u8_string_length + 1);
- memcpy (upath, u8_string, u8_string_length);
- upath[u8_string_length] = '\0';
- free (u8_string);
- GNUNET_free (modulepath);
- return upath;
- }
- #endif
- #if DARWIN
- /**
- * Signature of the '_NSGetExecutablePath" function.
- *
- * @param buf where to write the path
- * @param number of bytes available in 'buf'
- * @return 0 on success, otherwise desired number of bytes is stored in 'bufsize'
- */
- typedef int (*MyNSGetExecutablePathProto) (char *buf, size_t * bufsize);
- /**
- * Try to obtain the path of our executable using '_NSGetExecutablePath'.
- *
- * @return NULL on error
- */
- static char *
- get_path_from_NSGetExecutablePath ()
- {
- static char zero = '\0';
- char *path;
- size_t len;
- MyNSGetExecutablePathProto func;
- path = NULL;
- if (NULL == (func =
- (MyNSGetExecutablePathProto) dlsym (RTLD_DEFAULT, "_NSGetExecutablePath")))
- return NULL;
- path = &zero;
- len = 0;
- /* get the path len, including the trailing \0 */
- (void) func (path, &len);
- if (0 == len)
- return NULL;
- path = GNUNET_malloc (len);
- if (0 != func (path, &len))
- {
- GNUNET_free (path);
- return NULL;
- }
- len = strlen (path);
- while ((path[len] != '/') && (len > 0))
- len--;
- path[len] = '\0';
- return path;
- }
- /**
- * Try to obtain the path of our executable using '_dyld_image' API.
- *
- * @return NULL on error
- */
- static char *
- get_path_from_dyld_image ()
- {
- const char *path;
- char *p;
- char *s;
- unsigned int i;
- int c;
- c = _dyld_image_count ();
- for (i = 0; i < c; i++)
- {
- 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)) )
- continue;
- p = GNUNET_strdup (path);
- s = p + strlen (p);
- while ((s > p) && ('/' != *s))
- s--;
- s++;
- *s = '\0';
- return p;
- }
- return NULL;
- }
- #endif
- /**
- * Return the actual path to a file found in the current
- * PATH environment variable.
- *
- * @param binary the name of the file to find
- * @return path to binary, NULL if not found
- */
- static char *
- get_path_from_PATH (const char *binary)
- {
- char *path;
- char *pos;
- char *end;
- char *buf;
- const char *p;
- if (NULL == (p = getenv ("PATH")))
- return NULL;
- #if WINDOWS
- /* On W32 look in CWD first. */
- GNUNET_asprintf (&path, ".%c%s", PATH_SEPARATOR, p);
- #else
- path = GNUNET_strdup (p); /* because we write on it */
- #endif
- buf = GNUNET_malloc (strlen (path) + strlen (binary) + 1 + 1);
- pos = path;
- while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
- {
- *end = '\0';
- sprintf (buf, "%s/%s", pos, binary);
- if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
- {
- pos = GNUNET_strdup (pos);
- GNUNET_free (buf);
- GNUNET_free (path);
- return pos;
- }
- pos = end + 1;
- }
- sprintf (buf, "%s/%s", pos, binary);
- if (GNUNET_YES == GNUNET_DISK_file_test (buf))
- {
- pos = GNUNET_strdup (pos);
- GNUNET_free (buf);
- GNUNET_free (path);
- return pos;
- }
- GNUNET_free (buf);
- GNUNET_free (path);
- return NULL;
- }
- /**
- * Try to obtain the installation path using the "GNUNET_PREFIX" environment
- * variable.
- *
- * @return NULL on error (environment variable not set)
- */
- static char *
- get_path_from_GNUNET_PREFIX ()
- {
- const char *p;
- if (NULL != (p = getenv ("GNUNET_PREFIX")))
- return GNUNET_strdup (p);
- return NULL;
- }
- /**
- * @brief get the path to GNUnet bin/ or lib/, prefering the lib/ path
- * @author Milan
- *
- * @return a pointer to the executable path, or NULL on error
- */
- static char *
- os_get_gnunet_path ()
- {
- char *ret;
- if (NULL != (ret = get_path_from_GNUNET_PREFIX ()))
- return ret;
- #if LINUX
- if (NULL != (ret = get_path_from_proc_maps ()))
- return ret;
- /* try path *first*, before /proc/exe, as /proc/exe can be wrong */
- if (NULL != (ret = get_path_from_PATH ("gnunet-arm")))
- return ret;
- if (NULL != (ret = get_path_from_proc_exe ()))
- return ret;
- #endif
- #if WINDOWS
- if (NULL != (ret = get_path_from_module_filename ()))
- return ret;
- #endif
- #if DARWIN
- if (NULL != (ret = get_path_from_dyld_image ()))
- return ret;
- if (NULL != (ret = get_path_from_NSGetExecutablePath ()))
- return ret;
- #endif
- if (NULL != (ret = get_path_from_PATH ("gnunet-arm")))
- return ret;
- /* other attempts here */
- LOG (GNUNET_ERROR_TYPE_ERROR,
- _("Could not determine installation path for %s. Set `%s' environment variable.\n"),
- "GNUnet", "GNUNET_PREFIX");
- return NULL;
- }
- /**
- * @brief get the path to current app's bin/
- * @author Milan
- *
- * @return a pointer to the executable path, or NULL on error
- */
- static char *
- os_get_exec_path ()
- {
- char *ret = NULL;
- #if LINUX
- if (NULL != (ret = get_path_from_proc_exe ()))
- return ret;
- #endif
- #if WINDOWS
- if (NULL != (ret = get_path_from_module_filename ()))
- return ret;
- #endif
- #if DARWIN
- if (NULL != (ret = get_path_from_NSGetExecutablePath ()))
- return ret;
- #endif
- /* other attempts here */
- return ret;
- }
- /**
- * @brief get the path to a specific GNUnet installation directory or,
- * 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)
- */
- char *
- GNUNET_OS_installation_get_path (enum GNUNET_OS_InstallationPathKind dirkind)
- {
- size_t n;
- const char *dirname;
- char *execpath = NULL;
- char *tmp;
- char *multiarch;
- char *libdir;
- int isbasedir;
- /* if wanted, try to get the current app's bin/ */
- if (dirkind == GNUNET_OS_IPK_SELF_PREFIX)
- execpath = os_get_exec_path ();
- /* try to get GNUnet's bin/ or lib/, or if previous was unsuccessful some
- * guess for the current app */
- if (NULL == execpath)
- execpath = os_get_gnunet_path ();
- if (NULL == execpath)
- return NULL;
- n = strlen (execpath);
- if (0 == n)
- {
- /* should never happen, but better safe than sorry */
- GNUNET_free (execpath);
- return NULL;
- }
- /* remove filename itself */
- while ((n > 1) && (DIR_SEPARATOR == execpath[n - 1]))
- execpath[--n] = '\0';
- isbasedir = 1;
- if ((n > 6) &&
- ((0 == strcasecmp (&execpath[n - 6], "/lib32")) ||
- (0 == strcasecmp (&execpath[n - 6], "/lib64"))))
- {
- if ( (GNUNET_OS_IPK_LIBDIR != dirkind) &&
- (GNUNET_OS_IPK_LIBEXECDIR != dirkind) )
- {
- /* strip '/lib32' or '/lib64' */
- execpath[n - 6] = '\0';
- n -= 6;
- }
- else
- isbasedir = 0;
- }
- else if ((n > 4) &&
- ((0 == strcasecmp (&execpath[n - 4], "/bin")) ||
- (0 == strcasecmp (&execpath[n - 4], "/lib"))))
- {
- /* strip '/bin' or '/lib' */
- 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';
- switch (dirkind)
- {
- case GNUNET_OS_IPK_PREFIX:
- case GNUNET_OS_IPK_SELF_PREFIX:
- dirname = DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_BINDIR:
- dirname = DIR_SEPARATOR_STR "bin" DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_LIBDIR:
- if (isbasedir)
- {
- 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 *))
- {
- dirname =
- DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
- GNUNET_asprintf (&tmp,
- "%s%s",
- execpath,
- dirname);
- }
- 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);
- }
- dirname = DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_DATADIR:
- dirname =
- DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_LOCALEDIR:
- dirname =
- DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "locale" DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_ICONDIR:
- dirname =
- DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "icons" DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_DOCDIR:
- dirname =
- DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "doc" DIR_SEPARATOR_STR \
- "gnunet" DIR_SEPARATOR_STR;
- break;
- case GNUNET_OS_IPK_LIBEXECDIR:
- if (isbasedir)
- {
- dirname =
- 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 *))
- {
- dirname =
- DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
- GNUNET_asprintf (&tmp,
- "%s%s",
- execpath,
- dirname);
- }
- 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);
- }
- dirname =
- DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
- break;
- default:
- GNUNET_free (execpath);
- return NULL;
- }
- GNUNET_asprintf (&tmp,
- "%s%s",
- execpath,
- dirname);
- GNUNET_free (execpath);
- return tmp;
- }
- /**
- * Given the name of a gnunet-helper, gnunet-service or gnunet-daemon
- * binary, try to prefix it with the libexec/-directory to get the
- * full path.
- *
- * @param progname name of the binary
- * @return full path to the binary, if possible, otherwise copy of 'progname'
- */
- char *
- GNUNET_OS_get_libexec_binary_path (const char *progname)
- {
- static char *cache;
- char *libexecdir;
- char *binary;
- if ( (DIR_SEPARATOR == progname[0]) ||
- (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (progname, GNUNET_NO, NULL, NULL)) )
- return GNUNET_strdup (progname);
- 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);
- cache = libexecdir;
- return binary;
- }
- /**
- * Check whether an executable exists and possibly
- * if the suid bit is set on the file.
- * Attempts to find the file using the current
- * PATH environment variable as a search path.
- *
- * @param binary the name of the file to check.
- * W32: must not have an .exe suffix.
- * @param check_suid input true if the binary should be checked for SUID (*nix)
- * W32: checks if the program has sufficient privileges by executing this
- * 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)
- */
- int
- GNUNET_OS_check_helper_binary (const char *binary, int check_suid, const char *params)
- {
- struct stat statbuf;
- char *p;
- char *pf;
- #ifdef MINGW
- char *binaryexe;
- GNUNET_asprintf (&binaryexe, "%s.exe", binary);
- if ( (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (binaryexe, GNUNET_NO,
- NULL, NULL)) ||
- (0 == strncmp (binary, "./", 2)) )
- p = GNUNET_strdup (binaryexe);
- else
- {
- p = get_path_from_PATH (binaryexe);
- if (NULL != p)
- {
- GNUNET_asprintf (&pf, "%s/%s", p, binaryexe);
- GNUNET_free (p);
- p = pf;
- }
- }
- GNUNET_free (binaryexe);
- #else
- if ( (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (binary, GNUNET_NO,
- NULL, NULL)) ||
- (0 == strncmp (binary, "./", 2)) )
- p = GNUNET_strdup (binary);
- else
- {
- p = get_path_from_PATH (binary);
- if (NULL != p)
- {
- GNUNET_asprintf (&pf, "%s/%s", p, binary);
- GNUNET_free (p);
- p = pf;
- }
- }
- #endif
- if (NULL == p)
- {
- LOG (GNUNET_ERROR_TYPE_INFO,
- _("Could not find binary `%s' in PATH!\n"),
- binary);
- return GNUNET_SYSERR;
- }
- if (0 != ACCESS (p, X_OK))
- {
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "access", p);
- GNUNET_free (p);
- return GNUNET_SYSERR;
- }
- #ifndef MINGW
- if (0 == getuid ())
- {
- /* as we run as root, we don't insist on SUID */
- GNUNET_free (p);
- return GNUNET_OK;
- }
- #endif
- if (0 != STAT (p, &statbuf))
- {
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "stat", p);
- GNUNET_free (p);
- return GNUNET_SYSERR;
- }
- if (check_suid){
- #ifndef MINGW
- if ((0 != (statbuf.st_mode & S_ISUID)) && (0 == statbuf.st_uid))
- {
- GNUNET_free (p);
- return GNUNET_YES;
- }
- /* binary exists, but not SUID */
- #else
- STARTUPINFO start;
- char parameters[512];
- PROCESS_INFORMATION proc;
- DWORD exit_value;
- 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.
- 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
- NULL, // Thread 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
- &start, // Pointer to STARTUPINFO structure
- &proc ) // Pointer to PROCESS_INFORMATION structure
- ))
- {
- 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"),
- p, GetLastError() );
- return GNUNET_SYSERR;
- }
- // Close process and thread handles.
- CloseHandle( proc.hProcess );
- CloseHandle( proc.hThread );
- if (!exit_value)
- return GNUNET_YES;
- #endif
- }
- GNUNET_free (p);
- return GNUNET_NO;
- }
- /* end of os_installation.c */
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