/*
This file is part of GNUnet.
- Copyright (C) 2006-2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2006-2016 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file src/util/os_installation.c
* @brief get paths used by the program
* @author Milan
+ * @author Christian Fuchs
+ * @author Christian Grothoff
+ * @author Matthias Wachs
+ * @author Heikki Lindholm
+ * @author LRN
*/
#include <sys/stat.h>
#include <stdlib.h>
#endif
-#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+#define LOG(kind,...) GNUNET_log_from (kind, "util-os-installation", __VA_ARGS__)
-#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
+#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util-os-installation", syscall, filename)
+
+
+/**
+ * Default project data used for installation path detection
+ * for GNUnet (core).
+ */
+static const struct GNUNET_OS_ProjectData default_pd = {
+ .libname = "libgnunetutil",
+ .project_dirname = "gnunet",
+ .binary_name = "gnunet-arm",
+ .env_varname = "GNUNET_PREFIX",
+ .base_config_varname = "GNUNET_BASE_CONFIG",
+ .bug_email = "gnunet-developers@gnu.org",
+ .homepage = "http://www.gnu.org/s/gnunet/",
+ .config_file = "gnunet.conf",
+ .user_config_file = "~/.config/gnunet.conf",
+};
+
+/**
+ * Which project data do we currently use for installation
+ * path detection? Never NULL.
+ */
+static const struct GNUNET_OS_ProjectData *current_pd = &default_pd;
+
+/**
+ * Return default project data used by 'libgnunetutil' for GNUnet.
+ */
+const struct GNUNET_OS_ProjectData *
+GNUNET_OS_project_data_default (void)
+{
+ return &default_pd;
+}
+
+
+/**
+ * @return current project data.
+ */
+const struct GNUNET_OS_ProjectData *
+GNUNET_OS_project_data_get ()
+{
+ return current_pd;
+}
+
+
+/**
+ * Setup OS subsystem with project data.
+ *
+ * @param pd project data used to determine paths
+ */
+void
+GNUNET_OS_init (const struct GNUNET_OS_ProjectData *pd)
+{
+ GNUNET_assert (NULL != pd);
+ current_pd = pd;
+}
#if LINUX
{
if ((1 ==
SSCANF (line, "%*x-%*x %*c%*c%*c%*c %*x %*2x:%*2x %*u%*[ ]%1023s", dir)) &&
- (NULL != (lgu = strstr (dir, "libgnunetutil"))))
+ (NULL != (lgu = strstr (dir,
+ current_pd->libname))))
{
lgu[0] = '\0';
FCLOSE (f);
char fn[64];
char lnk[1024];
ssize_t size;
+ char *lep;
GNUNET_snprintf (fn, sizeof (fn), "/proc/%u/exe", getpid ());
size = readlink (fn, lnk, sizeof (lnk) - 1);
lnk[size] = '\0';
while ((lnk[size] != '/') && (size > 0))
size--;
+ GNUNET_asprintf (&lep,
+ "/%s/libexec/",
+ current_pd->project_dirname);
/* 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 > strlen (lep)) &&
+ (0 == strcmp (lep,
+ &lnk[size - strlen (lep)])) )
+ size -= strlen (lep) - 1;
+ GNUNET_free (lep);
if ((size < 4) || (lnk[size - 4] != '/'))
{
/* not installed in "/bin/" -- binary path probably useless */
* and hInstance saving.
*/
BOOL WINAPI
-DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
+DllMain (HINSTANCE hinstDLL,
+ DWORD fdwReason,
+ LPVOID lpvReserved)
{
switch (fdwReason)
{
do
{
pathlen = pathlen * 2;
- modulepath = GNUNET_realloc (modulepath, pathlen * sizeof (wchar_t));
+ modulepath = GNUNET_realloc (modulepath,
+ pathlen * sizeof (wchar_t));
SetLastError (0);
- real_pathlen = GetModuleFileNameW (dll_instance, modulepath, pathlen * sizeof (wchar_t));
+ real_pathlen = GetModuleFileNameW (dll_instance,
+ modulepath,
+ pathlen * sizeof (wchar_t));
} while (real_pathlen >= pathlen && pathlen < 16*1024);
if (real_pathlen >= pathlen)
- GNUNET_abort ();
+ GNUNET_assert (0);
/* To be safe */
modulepath[real_pathlen] = '\0';
/* modulepath is GNUNET_PREFIX */
u8_string = u16_to_u8 (modulepath, wcslen (modulepath), NULL, &u8_string_length);
if (NULL == u8_string)
- GNUNET_abort ();
+ GNUNET_assert (0);
upath = GNUNET_malloc (u8_string_length + 1);
- memcpy (upath, u8_string, u8_string_length);
+ GNUNET_memcpy (upath, u8_string, u8_string_length);
upath[u8_string_length] = '\0';
free (u8_string);
* Signature of the '_NSGetExecutablePath" function.
*
* @param buf where to write the path
- * @param number of bytes available in 'buf'
+ * @param number of bytes available in @a buf
* @return 0 on success, otherwise desired number of bytes is stored in 'bufsize'
*/
-typedef int (*MyNSGetExecutablePathProto) (char *buf, size_t * bufsize);
+typedef int
+(*MyNSGetExecutablePathProto) (char *buf,
+ size_t *bufsize);
/**
c = _dyld_image_count ();
for (i = 0; i < c; i++)
{
- if (((const void *) _dyld_get_image_header (i)) != (const void *)&_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)) )
{
const char *p;
- if (NULL != (p = getenv ("GNUNET_PREFIX")))
+ if ( (NULL != current_pd->env_varname) &&
+ (NULL != (p = getenv (current_pd->env_varname))) )
+ return GNUNET_strdup (p);
+ if ( (NULL != current_pd->env_varname_alt) &&
+ (NULL != (p = getenv (current_pd->env_varname_alt))) )
return GNUNET_strdup (p);
return NULL;
}
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")))
+ if ( (NULL != current_pd->binary_name) &&
+ (NULL != (ret = get_path_from_PATH (current_pd->binary_name))) )
return ret;
if (NULL != (ret = get_path_from_proc_exe ()))
return ret;
if (NULL != (ret = get_path_from_NSGetExecutablePath ()))
return ret;
#endif
- if (NULL != (ret = get_path_from_PATH ("gnunet-arm")))
+ if ( (NULL != current_pd->binary_name) &&
+ (NULL != (ret = get_path_from_PATH (current_pd->binary_name))) )
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");
+ current_pd->project_dirname,
+ current_pd->env_varname);
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 *
/**
* @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 *dirname;
char *execpath = NULL;
char *tmp;
char *multiarch;
{
case GNUNET_OS_IPK_PREFIX:
case GNUNET_OS_IPK_SELF_PREFIX:
- dirname = DIR_SEPARATOR_STR;
+ dirname = GNUNET_strdup (DIR_SEPARATOR_STR);
break;
case GNUNET_OS_IPK_BINDIR:
- dirname = DIR_SEPARATOR_STR "bin" DIR_SEPARATOR_STR;
+ dirname = GNUNET_strdup (DIR_SEPARATOR_STR "bin" DIR_SEPARATOR_STR);
break;
case GNUNET_OS_IPK_LIBDIR:
if (isbasedir)
{
GNUNET_asprintf (&tmp,
- "%s%s%s%s%s",
+ "%s%s%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);
+ DIR_SEPARATOR_STR,
+ current_pd->project_dirname,
+ DIR_SEPARATOR_STR);
if (GNUNET_YES ==
GNUNET_DISK_directory_test (tmp, GNUNET_YES))
{
}
GNUNET_free (tmp);
tmp = NULL;
+ dirname = NULL;
if (4 == sizeof (void *))
{
- dirname =
- DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
GNUNET_asprintf (&tmp,
"%s%s",
execpath,
}
if (8 == sizeof (void *))
{
- dirname =
- DIR_SEPARATOR_STR "lib64" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "lib64" DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
GNUNET_asprintf (&tmp,
"%s%s",
execpath,
GNUNET_DISK_directory_test (tmp, GNUNET_YES)) )
{
GNUNET_free (execpath);
+ GNUNET_free_non_null (dirname);
return tmp;
}
GNUNET_free (tmp);
+ GNUNET_free_non_null (dirname);
}
- dirname = DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
break;
case GNUNET_OS_IPK_DATADIR:
- dirname =
- DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
break;
case GNUNET_OS_IPK_LOCALEDIR:
- dirname =
- DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "locale" DIR_SEPARATOR_STR;
+ dirname = GNUNET_strdup (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;
+ dirname = GNUNET_strdup (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;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "share" DIR_SEPARATOR_STR "doc" DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
break;
case GNUNET_OS_IPK_LIBEXECDIR:
if (isbasedir)
{
- dirname =
- DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR "libexec" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR "libexec" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
GNUNET_asprintf (&tmp,
"%s%s%s%s",
execpath,
GNUNET_DISK_directory_test (tmp, GNUNET_YES))
{
GNUNET_free (execpath);
+ GNUNET_free (dirname);
return tmp;
}
GNUNET_free (tmp);
tmp = NULL;
+ dirname = NULL;
if (4 == sizeof (void *))
{
- dirname =
- DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "lib32" DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR "libexec" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
GNUNET_asprintf (&tmp,
"%s%s",
execpath,
}
if (8 == sizeof (void *))
{
- dirname =
- DIR_SEPARATOR_STR "lib64" DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "lib64" DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR "libexec" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
GNUNET_asprintf (&tmp,
"%s%s",
execpath,
GNUNET_DISK_directory_test (tmp, GNUNET_YES)) )
{
GNUNET_free (execpath);
+ GNUNET_free_non_null (dirname);
return tmp;
}
-
GNUNET_free (tmp);
+ GNUNET_free_non_null (dirname);
}
- dirname =
- DIR_SEPARATOR_STR "gnunet" DIR_SEPARATOR_STR \
- "libexec" DIR_SEPARATOR_STR;
+ GNUNET_asprintf (&dirname,
+ DIR_SEPARATOR_STR "%s" DIR_SEPARATOR_STR "libexec" DIR_SEPARATOR_STR,
+ current_pd->project_dirname);
break;
default:
GNUNET_free (execpath);
"%s%s",
execpath,
dirname);
+ GNUNET_free (dirname);
GNUNET_free (execpath);
return tmp;
}
char *binary;
if ( (DIR_SEPARATOR == progname[0]) ||
- (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (progname, GNUNET_NO, NULL, NULL)) )
+ (GNUNET_YES ==
+ GNUNET_STRINGS_path_is_absolute (progname,
+ GNUNET_NO,
+ NULL, NULL)) )
return GNUNET_strdup (progname);
if (NULL != cache)
libexecdir = cache;
/**
- * 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.
+ * 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.
* #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)
+GNUNET_OS_check_helper_binary (const char *binary,
+ int check_suid,
+ const char *params)
{
struct stat statbuf;
char *p;
#ifdef MINGW
char *binaryexe;
- GNUNET_asprintf (&binaryexe, "%s.exe", binary);
- if ( (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (binaryexe, GNUNET_NO,
- NULL, NULL)) ||
+ 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
}
GNUNET_free (binaryexe);
#else
- if ( (GNUNET_YES == GNUNET_STRINGS_path_is_absolute (binary, GNUNET_NO,
- NULL, NULL)) ||
+ 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_asprintf (&pf,
+ "%s/%s",
+ p,
+ binary);
GNUNET_free (p);
p = pf;
}
binary);
return GNUNET_SYSERR;
}
- if (0 != ACCESS (p, X_OK))
+ if (0 != ACCESS (p,
+ X_OK))
{
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "access", p);
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING,
+ "access",
+ p);
GNUNET_free (p);
return GNUNET_SYSERR;
}
{
/* as we run as root, we don't insist on SUID */
GNUNET_free (p);
- return GNUNET_OK;
+ return GNUNET_YES;
}
#endif
- if (0 != STAT (p, &statbuf))
+ if (0 != STAT (p,
+ &statbuf))
{
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "stat", p);
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING,
+ "stat",
+ p);
GNUNET_free (p);
return GNUNET_SYSERR;
}
- if (check_suid){
+ if (check_suid)
+ {
#ifndef MINGW
- if ((0 != (statbuf.st_mode & S_ISUID)) && (0 == statbuf.st_uid))
+ if ( (0 != (statbuf.st_mode & S_ISUID)) &&
+ (0 == statbuf.st_uid) )
{
GNUNET_free (p);
return GNUNET_YES;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Binary `%s' exists, but is not SUID\n"),
+ p);
/* binary exists, but not SUID */
#else
STARTUPINFO start;
projects / oweals / gnunet.git / blobdiff