* @author Christian Grothoff
*/
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_configuration_lib.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_directories.h"
-#include "gnunet_disk_lib.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_os_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_protocols.h"
+#include "gnunet_directories.h"
#include "gnunet_resolver_service.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_service_lib.h"
#if HAVE_MALLINFO
#include <malloc.h>
* with a semicolon). The network must be given in dotted-decimal
* notation. The netmask can be given in CIDR notation (/16) or
* in dotted-decimal (/255.255.0.0).
- *
+ *
* @param routeList a string specifying the forbidden networks
* @return the converted list, NULL if the synatx is flawed
*/
* with a semicolon). The network must be given in colon-hex
* notation. The netmask must be given in CIDR notation (/16) or
* can be omitted to specify a single host.
- *
+ *
* @param routeListX a string specifying the forbidden networks
* @return the converted list, NULL if the synatx is flawed
*/
/**
* Do we require a matching UID for UNIX domain socket connections?
- * GNUNET_NO means that the UID does not have to match (however,
- * "match_gid" may still impose other access control checks).
+ * #GNUNET_NO means that the UID does not have to match (however,
+ * @e match_gid may still impose other access control checks).
*/
int match_uid;
/**
* Do we require a matching GID for UNIX domain socket connections?
- * Ignored if "match_uid" is GNUNET_YES. Note that this is about
+ * Ignored if @e match_uid is #GNUNET_YES. Note that this is about
* checking that the client's UID is in our group OR that the
- * client's GID is our GID. If both "match_gid" and "match_uid" are
- * "GNUNET_NO", all users on the local system have access.
+ * client's GID is our GID. If both "match_gid" and @e match_uid are
+ * #GNUNET_NO, all users on the local system have access.
*/
int match_gid;
* @param uc credentials, if available, otherwise NULL
* @param addr address
* @param addrlen length of address
- * @return GNUNET_YES to allow, GNUNET_NO to deny, GNUNET_SYSERR
+ * @return #GNUNET_YES to allow, #GNUNET_NO to deny, #GNUNET_SYSERR
* for unknown address family (will be denied).
*/
static int
break;
#ifndef WINDOWS
case AF_UNIX:
- ret = GNUNET_OK; /* always OK for now */
- if (GNUNET_YES == sctx->match_uid)
- {
- /* UID match required */
- ret = (NULL != uc) && ( (0 == uc->uid) || (uc->uid == geteuid ()) );
- }
- else if ( (GNUNET_YES == sctx->match_gid) &&
- ( (NULL == uc) ||
- ( (0 != uc->uid) &&
- (uc->uid != geteuid ()) ) ) )
- {
- /* group match required and UID does not match */
- if (NULL == uc)
- {
- /* no credentials, group match not possible */
- ret = GNUNET_NO;
- }
- else
- {
- struct group *grp;
- unsigned int i;
-
- if (uc->gid != getegid())
- {
- /* default group did not match, but maybe the user is in our group, let's check */
- grp = getgrgid (getegid ());
- if (NULL == grp)
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "getgrgid");
- return GNUNET_NO;
- }
- ret = GNUNET_NO;
- for (i=0; NULL != grp->gr_mem[i]; i++)
- {
- struct passwd *nam = getpwnam (grp->gr_mem[i]);
- if (NULL == nam)
- continue; /* name in group that is not in user DB !? */
- if (nam->pw_uid == uc->uid)
- {
- /* yes, uid is in our group, allow! */
- ret = GNUNET_YES;
- break;
- }
- }
- }
- }
- }
- if (GNUNET_NO == ret)
- LOG (GNUNET_ERROR_TYPE_WARNING, _("Access denied to UID %d / GID %d\n"),
- (NULL == uc) ? -1 : uc->uid, (NULL == uc) ? -1 : uc->gid);
+ ret = GNUNET_OK; /* controlled using file-system ACL now */
break;
#endif
default:
if (GNUNET_OK != ret)
{
LOG (GNUNET_ERROR_TYPE_WARNING,
- _("Access from `%s' denied to service `%s'\n"),
+ _("Access from `%s' denied to service `%s'\n"),
GNUNET_a2s (addr, addrlen),
sctx->service_name);
}
* Parse an IPv4 access control list.
*
* @param ret location where to write the ACL (set)
- * @param sctx service context to use to get the configuration
+ * @param sctx service context to use to get the configuration
* @param option name of the ACL option to parse
- * @return GNUNET_SYSERR on parse error, GNUNET_OK on success (including
+ * @return #GNUNET_SYSERR on parse error, #GNUNET_OK on success (including
* no ACL configured)
*/
static int
if (!GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->service_name, option))
{
- *ret = NULL;
+ *ret = NULL;
return GNUNET_OK;
}
GNUNET_break (GNUNET_OK ==
* Parse an IPv6 access control list.
*
* @param ret location where to write the ACL (set)
- * @param sctx service context to use to get the configuration
+ * @param sctx service context to use to get the configuration
* @param option name of the ACL option to parse
- * @return GNUNET_SYSERR on parse error, GNUNET_OK on success (including
+ * @return #GNUNET_SYSERR on parse error, #GNUNET_OK on success (including
* no ACL configured)
*/
static int
{
#ifdef AF_UNIX
struct sockaddr_un *un;
- size_t slen;
- un = GNUNET_malloc (sizeof (struct sockaddr_un));
+ un = GNUNET_new (struct sockaddr_un);
un->sun_family = AF_UNIX;
- slen = strlen (unixpath) + 1;
- if (slen >= sizeof (un->sun_path))
- slen = sizeof (un->sun_path) - 1;
- memcpy (un->sun_path, unixpath, slen);
- un->sun_path[slen] = '\0';
- slen = sizeof (struct sockaddr_un);
-#if LINUX
- un->sun_path[0] = '\0';
-#endif
+ strncpy (un->sun_path, unixpath, sizeof (un->sun_path) - 1);
#if HAVE_SOCKADDR_IN_SIN_LEN
- un->sun_len = (u_char) slen;
+ un->sun_len = (u_char) sizeof (struct sockaddr_un);
#endif
*saddrs = (struct sockaddr *) un;
- *saddrlens = slen;
+ *saddrlens = sizeof (struct sockaddr_un);
#else
/* this function should never be called
* unless AF_UNIX is defined! */
* of the respective 'struct sockaddr' struct in the 'addrs'
* array (on success)
* @return number of addresses found on success,
- * GNUNET_SYSERR if the configuration
+ * #GNUNET_SYSERR if the configuration
* did not specify reasonable finding information or
* if it specified a hostname that could not be resolved;
- * GNUNET_NO if the number of addresses configured is
- * zero (in this case, '*addrs' and '*addr_lens' will be
+ * #GNUNET_NO if the number of addresses configured is
+ * zero (in this case, `*addrs` and `*addr_lens` will be
* set to NULL).
*/
int
if ((GNUNET_YES ==
GNUNET_CONFIGURATION_have_value (cfg, service_name, "UNIXPATH")) &&
(GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg, service_name, "UNIXPATH",
+ GNUNET_CONFIGURATION_get_value_filename (cfg, service_name, "UNIXPATH",
&unixpath)) &&
(0 < strlen (unixpath)))
{
LOG (GNUNET_ERROR_TYPE_INFO,
_("Using `%s' instead\n"), unixpath);
}
+ if (GNUNET_OK !=
+ GNUNET_DISK_directory_create_for_file (unixpath))
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
+ "mkdir",
+ unixpath);
}
if (NULL != unixpath)
{
return GNUNET_SYSERR;
}
LOG (GNUNET_ERROR_TYPE_INFO,
- _
- ("Disabling UNIX domain socket support for service `%s', failed to create UNIX domain socket: %s\n"),
+ _("Disabling UNIX domain socket support for service `%s', failed to create UNIX domain socket: %s\n"),
service_name, STRERROR (errno));
GNUNET_free (unixpath);
unixpath = NULL;
if ((0 == port) && (NULL == unixpath))
{
LOG (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Have neither PORT nor UNIXPATH for service `%s', but one is required\n"),
+ _("Have neither PORT nor UNIXPATH for service `%s', but one is required\n"),
service_name);
GNUNET_free_non_null (hostname);
return GNUNET_SYSERR;
* Read listen sockets from the parent process (ARM).
*
* @param sctx service context to initialize
- * @return GNUNET_YES if ok, GNUNET_NO if not ok (must bind yourself),
- * and GNUNET_SYSERR on error.
+ * @return #GNUNET_YES if ok, #GNUNET_NO if not ok (must bind yourself),
+ * and #GNUNET_SYSERR on error.
*/
static int
receive_sockets_from_parent (struct GNUNET_SERVICE_Context *sctx)
* - REJECT_FROM6 (disallow allow connections from specified IPv6 subnets)
*
* @param sctx service context to initialize
- * @return GNUNET_OK if configuration succeeded
+ * @return #GNUNET_OK if configuration succeeded
*/
static int
setup_service (struct GNUNET_SERVICE_Context *sctx)
return un;
}
+
/**
* Write PID file.
*
* @param sctx service context
* @param pid PID to write (should be equal to 'getpid()'
- * @return GNUNET_OK on success (including no work to be done)
+ * @return #GNUNET_OK on success (including no work to be done)
*/
static int
write_pid_file (struct GNUNET_SERVICE_Context *sctx, pid_t pid)
/**
* Task run during shutdown. Stops the server/service.
*
- * @param cls the 'struct GNUNET_SERVICE_Context'
+ * @param cls the `struct GNUNET_SERVICE_Context`
* @param tc unused
*/
static void
(void) GNUNET_SPEEDUP_start_ (sctx->cfg);
GNUNET_RESOLVER_connect (sctx->cfg);
if (NULL != sctx->lsocks)
- sctx->server =
- GNUNET_SERVER_create_with_sockets (&check_access, sctx, sctx->lsocks,
+ sctx->server
+ = GNUNET_SERVER_create_with_sockets (&check_access, sctx, sctx->lsocks,
sctx->timeout, sctx->require_found);
else
- sctx->server =
- GNUNET_SERVER_create (&check_access, sctx, sctx->addrs, sctx->addrlens,
+ sctx->server
+ = GNUNET_SERVER_create (&check_access, sctx, sctx->addrs, sctx->addrlens,
sctx->timeout, sctx->require_found);
if (NULL == sctx->server)
{
if (NULL != sctx->addrs)
- {
- i = 0;
- while (NULL != sctx->addrs[i])
- {
- LOG (GNUNET_ERROR_TYPE_INFO, _("Failed to start `%s' at `%s'\n"),
+ for (i = 0; NULL != sctx->addrs[i]; i++)
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Failed to start `%s' at `%s'\n"),
sctx->service_name, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
- i++;
- }
- }
sctx->ret = GNUNET_SYSERR;
return;
}
+#ifndef WINDOWS
+ if (NULL != sctx->addrs)
+ for (i = 0; NULL != sctx->addrs[i]; i++)
+ if (AF_UNIX == sctx->addrs[i]->sa_family)
+ GNUNET_DISK_fix_permissions (((const struct sockaddr_un *)sctx->addrs[i])->sun_path,
+ sctx->match_uid,
+ sctx->match_gid);
+#endif
+
+
if (0 == (sctx->options & GNUNET_SERVICE_OPTION_MANUAL_SHUTDOWN))
{
/* install a task that will kill the server
* process if the scheduler ever gets a shutdown signal */
- sctx->shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+ sctx->shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &shutdown_task,
sctx);
}
sctx->my_handlers = GNUNET_malloc (sizeof (defhandlers));
* Set user ID.
*
* @param sctx service context
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
static int
set_user_id (struct GNUNET_SERVICE_Context *sctx)
* @param service_name our service name
* @param options service options
* @param task main task of the service
- * @param task_cls closure for task
- * @return GNUNET_SYSERR on error, GNUNET_OK
+ * @param task_cls closure for @a task
+ * @return #GNUNET_SYSERR on error, #GNUNET_OK
* if we shutdown nicely
*/
int
-GNUNET_SERVICE_run (int argc, char *const *argv, const char *service_name,
- enum GNUNET_SERVICE_Options options, GNUNET_SERVICE_Main task,
+GNUNET_SERVICE_run (int argc, char *const *argv,
+ const char *service_name,
+ enum GNUNET_SERVICE_Options options,
+ GNUNET_SERVICE_Main task,
void *task_cls)
{
#define HANDLE_ERROR do { GNUNET_break (0); goto shutdown; } while (0)
int err;
int ret;
char *cfg_fn;
+ char *opt_cfg_fn;
char *loglev;
char *logfile;
int do_daemonize;
long long clock_offset;
struct GNUNET_SERVICE_Context sctx;
struct GNUNET_CONFIGURATION_Handle *cfg;
+ const char *xdg;
struct GNUNET_GETOPT_CommandLineOption service_options[] = {
- GNUNET_GETOPT_OPTION_CFG_FILE (&cfg_fn),
+ GNUNET_GETOPT_OPTION_CFG_FILE (&opt_cfg_fn),
{'d', "daemonize", NULL,
gettext_noop ("do daemonize (detach from terminal)"), 0,
GNUNET_GETOPT_set_one, &do_daemonize},
do_daemonize = 0;
logfile = NULL;
loglev = NULL;
- cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_USER_CONFIG_FILE);
+ opt_cfg_fn = NULL;
+ xdg = getenv ("XDG_CONFIG_HOME");
+ if (NULL != xdg)
+ GNUNET_asprintf (&cfg_fn,
+ "%s%s%s",
+ xdg,
+ DIR_SEPARATOR_STR,
+ "gnunet.conf");
+ else
+ cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_USER_CONFIG_FILE);
memset (&sctx, 0, sizeof (sctx));
sctx.options = options;
sctx.ready_confirm_fd = -1;
}
if (GNUNET_OK != GNUNET_log_setup (service_name, loglev, logfile))
HANDLE_ERROR;
+ if (NULL == opt_cfg_fn)
+ opt_cfg_fn = GNUNET_strdup (cfg_fn);
if (GNUNET_YES ==
- GNUNET_DISK_file_test (cfg_fn))
- (void) GNUNET_CONFIGURATION_load (cfg, cfg_fn);
+ GNUNET_DISK_file_test (opt_cfg_fn))
+ (void) GNUNET_CONFIGURATION_load (cfg, opt_cfg_fn);
else
{
(void) GNUNET_CONFIGURATION_load (cfg, NULL);
- if (0 != strcmp (cfg_fn, GNUNET_DEFAULT_USER_CONFIG_FILE))
+ if (0 != strcmp (opt_cfg_fn, cfg_fn))
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Could not access configuration file `%s'\n"),
- cfg_fn);
+ opt_cfg_fn);
}
if (GNUNET_OK != setup_service (&sctx))
goto shutdown;
if (GNUNET_OK != set_user_id (&sctx))
goto shutdown;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Service `%s' runs with configuration from `%s'\n", service_name, cfg_fn);
+ "Service `%s' runs with configuration from `%s'\n",
+ service_name,
+ opt_cfg_fn);
if ((GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_number (sctx.cfg, "TESTING",
"SKEW_OFFSET", &skew_offset)) &&
#if HAVE_MALLINFO
{
char *counter;
-
+
if ( (GNUNET_YES ==
GNUNET_CONFIGURATION_have_value (sctx.cfg, service_name,
"GAUGER_HEAP")) &&
&counter)) )
{
struct mallinfo mi;
-
+
mi = mallinfo ();
GAUGER (service_name, counter, mi.usmblks, "blocks");
GNUNET_free (counter);
- }
+ }
}
#endif
GNUNET_SPEEDUP_stop_ ();
GNUNET_free_non_null (logfile);
GNUNET_free_non_null (loglev);
GNUNET_free (cfg_fn);
+ GNUNET_free (opt_cfg_fn);
GNUNET_free_non_null (sctx.v4_denied);
GNUNET_free_non_null (sctx.v6_denied);
GNUNET_free_non_null (sctx.v4_allowed);
int i;
struct GNUNET_SERVICE_Context *sctx;
- sctx = GNUNET_malloc (sizeof (struct GNUNET_SERVICE_Context));
+ sctx = GNUNET_new (struct GNUNET_SERVICE_Context);
sctx->ready_confirm_fd = -1; /* no daemonizing */
sctx->ret = GNUNET_OK;
sctx->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
GNUNET_SERVICE_stop (sctx);
return NULL;
}
+#ifndef WINDOWS
+ if (NULL != sctx->addrs)
+ for (i = 0; NULL != sctx->addrs[i]; i++)
+ if (AF_UNIX == sctx->addrs[i]->sa_family)
+ GNUNET_DISK_fix_permissions (((const struct sockaddr_un *)sctx->addrs[i])->sun_path,
+ sctx->match_uid,
+ sctx->match_gid);
+#endif
sctx->my_handlers = GNUNET_malloc (sizeof (defhandlers));
memcpy (sctx->my_handlers, defhandlers, sizeof (defhandlers));
i = 0;
#if HAVE_MALLINFO
{
char *counter;
-
+
if ( (GNUNET_YES ==
GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->service_name,
"GAUGER_HEAP")) &&
&counter)) )
{
struct mallinfo mi;
-
+
mi = mallinfo ();
GAUGER (sctx->service_name, counter, mi.usmblks, "blocks");
GNUNET_free (counter);
- }
+ }
}
#endif
if (GNUNET_SCHEDULER_NO_TASK != sctx->shutdown_task)
projects / oweals / gnunet.git / blobdiff