/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2012 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
- by the Free Software Foundation; either version 2, or (at your
+ 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
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.
*/
/**
* @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_server_lib.h"
-#include "gnunet_service_lib.h"
+#include "gnunet_constants.h"
+#include "gnunet_resolver_service.h"
+#include "speedup.h"
-#define DEBUG_SERVICE GNUNET_NO
-
-/* ******************* access control ******************** */
-
-/**
- * @brief IPV4 network in CIDR notation.
- */
-struct IPv4NetworkSet
-{
- struct in_addr network;
- struct in_addr netmask;
-};
-
-/**
- * @brief network in CIDR notation for IPV6.
- */
-struct IPv6NetworkSet
-{
- struct in6_addr network;
- struct in6_addr netmask;
-};
+#if HAVE_MALLINFO
+#include <malloc.h>
+#include "gauger.h"
+#endif
-/**
- * Parse a network specification. The argument specifies
- * a list of networks. The format is
- * <tt>[network/netmask;]*</tt> (no whitespace, must be terminated
- * 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).
- * <p>
- * @param routeList a string specifying the forbidden networks
- * @return the converted list, NULL if the synatx is flawed
- */
-static struct IPv4NetworkSet *
-parse_ipv4_specification (const char *routeList)
-{
- unsigned int count;
- unsigned int i;
- unsigned int j;
- unsigned int len;
- int cnt;
- unsigned int pos;
- unsigned int temps[8];
- int slash;
- struct IPv4NetworkSet *result;
-
- if (routeList == NULL)
- return NULL;
- len = strlen (routeList);
- if (len == 0)
- return NULL;
- count = 0;
- for (i = 0; i < len; i++)
- if (routeList[i] == ';')
- count++;
- result = GNUNET_malloc (sizeof (struct IPv4NetworkSet) * (count + 1));
- /* add termination */
- memset (result, 0, sizeof (struct IPv4NetworkSet) * (count + 1));
- i = 0;
- pos = 0;
- while (i < count)
- {
- cnt = sscanf (&routeList[pos],
- "%u.%u.%u.%u/%u.%u.%u.%u;",
- &temps[0],
- &temps[1],
- &temps[2],
- &temps[3], &temps[4], &temps[5], &temps[6], &temps[7]);
- if (cnt == 8)
- {
- for (j = 0; j < 8; j++)
- if (temps[j] > 0xFF)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"),
- &routeList[pos]);
- GNUNET_free (result);
- return NULL;
- }
- result[i].network.s_addr
- =
- htonl ((temps[0] << 24) + (temps[1] << 16) + (temps[2] << 8) +
- temps[3]);
- result[i].netmask.s_addr =
- htonl ((temps[4] << 24) + (temps[5] << 16) + (temps[6] << 8) +
- temps[7]);
- while (routeList[pos] != ';')
- pos++;
- pos++;
- i++;
- continue;
- }
- /* try second notation */
- cnt = sscanf (&routeList[pos],
- "%u.%u.%u.%u/%u;",
- &temps[0], &temps[1], &temps[2], &temps[3], &slash);
- if (cnt == 5)
- {
- for (j = 0; j < 4; j++)
- if (temps[j] > 0xFF)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"),
- &routeList[pos]);
- GNUNET_free (result);
- return NULL;
- }
- result[i].network.s_addr
- =
- htonl ((temps[0] << 24) + (temps[1] << 16) + (temps[2] << 8) +
- temps[3]);
- if ((slash <= 32) && (slash >= 0))
- {
- result[i].netmask.s_addr = 0;
- while (slash > 0)
- {
- result[i].netmask.s_addr
- = (result[i].netmask.s_addr >> 1) + 0x80000000;
- slash--;
- }
- result[i].netmask.s_addr = htonl (result[i].netmask.s_addr);
- while (routeList[pos] != ';')
- pos++;
- pos++;
- i++;
- continue;
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Invalid network notation ('/%d' is not legal in IPv4 CIDR)."),
- slash);
- GNUNET_free (result);
- return NULL; /* error */
- }
- }
- /* try third notation */
- slash = 32;
- cnt = sscanf (&routeList[pos],
- "%u.%u.%u.%u;",
- &temps[0], &temps[1], &temps[2], &temps[3]);
- if (cnt == 4)
- {
- for (j = 0; j < 4; j++)
- if (temps[j] > 0xFF)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"),
- &routeList[pos]);
- GNUNET_free (result);
- return NULL;
- }
- result[i].network.s_addr
- =
- htonl ((temps[0] << 24) + (temps[1] << 16) + (temps[2] << 8) +
- temps[3]);
- result[i].netmask.s_addr = 0;
- while (slash > 0)
- {
- result[i].netmask.s_addr
- = (result[i].netmask.s_addr >> 1) + 0x80000000;
- slash--;
- }
- result[i].netmask.s_addr = htonl (result[i].netmask.s_addr);
- while (routeList[pos] != ';')
- pos++;
- pos++;
- i++;
- continue;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"), &routeList[pos]);
- GNUNET_free (result);
- return NULL; /* error */
- }
- if (pos < strlen (routeList))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"), &routeList[pos]);
- GNUNET_free (result);
- return NULL; /* oops */
- }
- return result; /* ok */
-}
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+#define LOG_STRERROR(kind,syscall) GNUNET_log_from_strerror (kind, "util", syscall)
-/**
- * Parse a network specification. The argument specifies
- * a list of networks. The format is
- * <tt>[network/netmask;]*</tt> (no whitespace, must be terminated
- * 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.
- * <p>
- * @param routeListX a string specifying the forbidden networks
- * @return the converted list, NULL if the synatx is flawed
- */
-static struct IPv6NetworkSet *
-parse_ipv6_specification (const char *routeListX)
-{
- unsigned int count;
- unsigned int i;
- unsigned int len;
- unsigned int pos;
- int start;
- int slash;
- int ret;
- char *routeList;
- struct IPv6NetworkSet *result;
- unsigned int bits;
- unsigned int off;
- int save;
+#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
- if (routeListX == NULL)
- return NULL;
- len = strlen (routeListX);
- if (len == 0)
- return NULL;
- routeList = GNUNET_strdup (routeListX);
- count = 0;
- for (i = 0; i < len; i++)
- if (routeList[i] == ';')
- count++;
- if (routeList[len - 1] != ';')
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Invalid network notation (does not end with ';': `%s')\n"),
- routeList);
- GNUNET_free (routeList);
- return NULL;
- }
-
- result = GNUNET_malloc (sizeof (struct IPv6NetworkSet) * (count + 1));
- memset (result, 0, sizeof (struct IPv6NetworkSet) * (count + 1));
- i = 0;
- pos = 0;
- while (i < count)
- {
- start = pos;
- while (routeList[pos] != ';')
- pos++;
- slash = pos;
- while ((slash >= start) && (routeList[slash] != '/'))
- slash--;
- if (slash < start)
- {
- memset (&result[i].netmask, 0xFF, sizeof (struct in6_addr));
- slash = pos;
- }
- else
- {
- routeList[pos] = '\0';
- ret = inet_pton (AF_INET6,
- &routeList[slash + 1], &result[i].netmask);
- if (ret <= 0)
- {
- save = errno;
- if ((1 != SSCANF (&routeList[slash + 1],
- "%u", &bits)) || (bits >= 128))
- {
- if (ret == 0)
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Wrong format `%s' for netmask\n"),
- &routeList[slash + 1]);
- else
- {
- errno = save;
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
- "inet_pton");
- }
- GNUNET_free (result);
- GNUNET_free (routeList);
- return NULL;
- }
- off = 0;
- while (bits > 8)
- {
- result[i].netmask.s6_addr[off++] = 0xFF;
- bits -= 8;
- }
- while (bits > 0)
- {
- result[i].netmask.s6_addr[off]
- = (result[i].netmask.s6_addr[off] >> 1) + 0x80;
- bits--;
- }
- }
- }
- routeList[slash] = '\0';
- ret = inet_pton (AF_INET6, &routeList[start], &result[i].network);
- if (ret <= 0)
- {
- if (ret == 0)
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Wrong format `%s' for network\n"),
- &routeList[slash + 1]);
- else
- GNUNET_log_strerror(GNUNET_ERROR_TYPE_ERROR, "inet_pton");
- GNUNET_free (result);
- GNUNET_free (routeList);
- return NULL;
- }
- pos++;
- i++;
- }
- GNUNET_free (routeList);
- return result;
-}
+/* ******************* access control ******************** */
/**
* Check if the given IP address is in the list of IP addresses.
*
* @param list a list of networks
* @param add the IP to check (in network byte order)
- * @return GNUNET_NO if the IP is not in the list, GNUNET_YES if it it is
+ * @return #GNUNET_NO if the IP is not in the list, #GNUNET_YES if it it is
*/
static int
-check_ipv4_listed (const struct IPv4NetworkSet *list,
+check_ipv4_listed (const struct GNUNET_STRINGS_IPv4NetworkPolicy *list,
const struct in_addr *add)
{
- int i;
+ unsigned int i;
- i = 0;
- if (list == NULL)
+ if (NULL == list)
return GNUNET_NO;
-
+ i = 0;
while ((list[i].network.s_addr != 0) || (list[i].netmask.s_addr != 0))
- {
- if ((add->s_addr & list[i].netmask.s_addr) ==
- (list[i].network.s_addr & list[i].netmask.s_addr))
- return GNUNET_YES;
- i++;
- }
+ {
+ if ((add->s_addr & list[i].netmask.s_addr) ==
+ (list[i].network.s_addr & list[i].netmask.s_addr))
+ return GNUNET_YES;
+ i++;
+ }
return GNUNET_NO;
}
+
/**
* Check if the given IP address is in the list of IP addresses.
*
* @param list a list of networks
* @param ip the IP to check (in network byte order)
- * @return GNUNET_NO if the IP is not in the list, GNUNET_YES if it it is
+ * @return #GNUNET_NO if the IP is not in the list, #GNUNET_YES if it it is
*/
static int
-check_ipv6_listed (const struct IPv6NetworkSet *list,
+check_ipv6_listed (const struct GNUNET_STRINGS_IPv6NetworkPolicy *list,
const struct in6_addr *ip)
{
unsigned int i;
unsigned int j;
struct in6_addr zero;
- if (list == NULL)
+ if (NULL == list)
return GNUNET_NO;
-
memset (&zero, 0, sizeof (struct in6_addr));
i = 0;
NEXT:
- while (memcmp (&zero, &list[i].network, sizeof (struct in6_addr)) != 0)
- {
- for (j = 0; j < sizeof (struct in6_addr) / sizeof (int); j++)
- if (((((int *) ip)[j] & ((int *) &list[i].netmask)[j])) !=
- (((int *) &list[i].network)[j] & ((int *) &list[i].netmask)[j]))
- {
- i++;
- goto NEXT;
- }
- return GNUNET_YES;
- }
+ while (0 != memcmp (&zero, &list[i].network, sizeof (struct in6_addr)))
+ {
+ for (j = 0; j < sizeof (struct in6_addr) / sizeof (int); j++)
+ if (((((int *) ip)[j] & ((int *) &list[i].netmask)[j])) !=
+ (((int *) &list[i].network)[j] & ((int *) &list[i].netmask)[j]))
+ {
+ i++;
+ goto NEXT;
+ }
+ return GNUNET_YES;
+ }
return GNUNET_NO;
}
/**
* Name of our service.
*/
- const char *serviceName;
+ const char *service_name;
/**
* Main service-specific task to run.
GNUNET_SERVICE_Main task;
/**
- * Closure for task.
+ * Closure for @e task.
*/
void *task_cls;
/**
* IPv4 addresses that are not allowed to connect.
*/
- struct IPv4NetworkSet *v4_denied;
+ struct GNUNET_STRINGS_IPv4NetworkPolicy *v4_denied;
/**
* IPv6 addresses that are not allowed to connect.
*/
- struct IPv6NetworkSet *v6_denied;
+ struct GNUNET_STRINGS_IPv6NetworkPolicy *v6_denied;
/**
* IPv4 addresses that are allowed to connect (if not
* set, all are allowed).
*/
- struct IPv4NetworkSet *v4_allowed;
+ struct GNUNET_STRINGS_IPv4NetworkPolicy *v4_allowed;
/**
* IPv6 addresses that are allowed to connect (if not
* set, all are allowed).
*/
- struct IPv6NetworkSet *v6_allowed;
+ struct GNUNET_STRINGS_IPv6NetworkPolicy *v6_allowed;
/**
* My (default) message handlers. Adjusted copy
/**
* Array of the lengths of the entries in addrs.
*/
- socklen_t * addrlens;
+ socklen_t *addrlens;
/**
* NULL-terminated array of listen sockets we should take over.
*/
struct GNUNET_NETWORK_Handle **lsocks;
+ /**
+ * Task ID of the shutdown task.
+ */
+ struct GNUNET_SCHEDULER_Task *shutdown_task;
+
/**
* Idle timeout for server.
*/
*/
int require_found;
+ /**
+ * Do we require a matching UID for UNIX domain socket connections?
+ * #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 @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 @e match_uid are
+ * #GNUNET_NO, all users on the local system have access.
+ */
+ int match_gid;
+
/**
* Our options.
*/
/* ****************** message handlers ****************** */
+/**
+ * Send a 'TEST' message back to the client.
+ *
+ * @param cls the 'struct GNUNET_SERVER_Client' to send TEST to
+ * @param size number of bytes available in 'buf'
+ * @param buf where to copy the message
+ * @return number of bytes written to 'buf'
+ */
static size_t
write_test (void *cls, size_t size, void *buf)
{
struct GNUNET_MessageHeader *msg;
if (size < sizeof (struct GNUNET_MessageHeader))
- {
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return 0; /* client disconnected */
- }
+ {
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return 0; /* client disconnected */
+ }
msg = (struct GNUNET_MessageHeader *) buf;
msg->type = htons (GNUNET_MESSAGE_TYPE_TEST);
msg->size = htons (sizeof (struct GNUNET_MessageHeader));
return sizeof (struct GNUNET_MessageHeader);
}
+
/**
* Handler for TEST message.
*
* @param message the actual message
*/
static void
-handle_test (void *cls,
- struct GNUNET_SERVER_Client *client,
+handle_test (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
/* simply bounce message back to acknowledge */
- if (NULL == GNUNET_SERVER_notify_transmit_ready (client,
- sizeof (struct
- GNUNET_MessageHeader),
- GNUNET_TIME_UNIT_FOREVER_REL,
- &write_test, client))
+ if (NULL ==
+ GNUNET_SERVER_notify_transmit_ready (client,
+ sizeof (struct GNUNET_MessageHeader),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &write_test, client))
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
}
};
-
/* ****************** service core routines ************** */
/**
* Check if access to the service is allowed from the given address.
+ *
+ * @param cls closure
+ * @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
+ * for unknown address family (will be denied).
*/
static int
-check_access (void *cls, const struct sockaddr *addr, socklen_t addrlen)
+check_access (void *cls, const struct GNUNET_CONNECTION_Credentials *uc,
+ const struct sockaddr *addr, socklen_t addrlen)
{
struct GNUNET_SERVICE_Context *sctx = cls;
const struct sockaddr_in *i4;
int ret;
switch (addr->sa_family)
- {
- case AF_INET:
- GNUNET_assert (addrlen == sizeof (struct sockaddr_in));
- i4 = (const struct sockaddr_in *) addr;
- ret = ((sctx->v4_allowed == NULL) ||
- (check_ipv4_listed (sctx->v4_allowed,
- &i4->sin_addr)))
- && ((sctx->v4_denied == NULL) ||
- (!check_ipv4_listed (sctx->v4_denied, &i4->sin_addr)));
- break;
- case AF_INET6:
- GNUNET_assert (addrlen == sizeof (struct sockaddr_in6));
- i6 = (const struct sockaddr_in6 *) addr;
- ret = ((sctx->v6_allowed == NULL) ||
- (check_ipv6_listed (sctx->v6_allowed,
- &i6->sin6_addr)))
- && ((sctx->v6_denied == NULL) ||
- (!check_ipv6_listed (sctx->v6_denied, &i6->sin6_addr)));
- break;
- case AF_UNIX:
- /* FIXME: support checking UID/GID in the future... */
- ret = GNUNET_OK; /* always OK for now */
- break;
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Unknown address family %d\n"), addr->sa_family);
- return GNUNET_SYSERR;
- }
- if (ret != GNUNET_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Access from `%s' denied to service `%s'\n"),
- GNUNET_a2s (addr, addrlen), sctx->serviceName);
- }
+ {
+ case AF_INET:
+ GNUNET_assert (addrlen == sizeof (struct sockaddr_in));
+ i4 = (const struct sockaddr_in *) addr;
+ ret = ((NULL == sctx->v4_allowed) ||
+ (check_ipv4_listed (sctx->v4_allowed, &i4->sin_addr))) &&
+ ((NULL == sctx->v4_denied) ||
+ (!check_ipv4_listed (sctx->v4_denied, &i4->sin_addr)));
+ break;
+ case AF_INET6:
+ GNUNET_assert (addrlen == sizeof (struct sockaddr_in6));
+ i6 = (const struct sockaddr_in6 *) addr;
+ ret = ((NULL == sctx->v6_allowed) ||
+ (check_ipv6_listed (sctx->v6_allowed, &i6->sin6_addr))) &&
+ ((NULL == sctx->v6_denied) ||
+ (!check_ipv6_listed (sctx->v6_denied, &i6->sin6_addr)));
+ break;
+#ifndef WINDOWS
+ case AF_UNIX:
+ ret = GNUNET_OK; /* controlled using file-system ACL now */
+ break;
+#endif
+ default:
+ LOG (GNUNET_ERROR_TYPE_WARNING, _("Unknown address family %d\n"),
+ addr->sa_family);
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_OK != ret)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Access from `%s' denied to service `%s'\n"),
+ GNUNET_a2s (addr, addrlen),
+ sctx->service_name);
+ }
return ret;
}
/**
* Get the name of the file where we will
* write the PID of the service.
+ *
+ * @param sctx service context
+ * @return name of the file for the process ID
*/
static char *
get_pid_file_name (struct GNUNET_SERVICE_Context *sctx)
{
-
char *pif;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (sctx->cfg,
- sctx->serviceName,
+ GNUNET_CONFIGURATION_get_value_filename (sctx->cfg, sctx->service_name,
"PIDFILE", &pif))
return NULL;
return pif;
/**
* 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 option name of the ACL option to parse
+ * @return #GNUNET_SYSERR on parse error, #GNUNET_OK on success (including
+ * no ACL configured)
*/
static int
-process_acl4 (struct IPv4NetworkSet **ret,
- struct GNUNET_SERVICE_Context *sctx, const char *option)
+process_acl4 (struct GNUNET_STRINGS_IPv4NetworkPolicy **ret,
+ struct GNUNET_SERVICE_Context *sctx,
+ const char *option)
{
char *opt;
- if (!GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->serviceName, option))
+ if (!GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->service_name, option))
+ {
+ *ret = NULL;
return GNUNET_OK;
+ }
GNUNET_break (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_string (sctx->cfg,
- sctx->serviceName,
+ sctx->service_name,
option, &opt));
- if (NULL == (*ret = parse_ipv4_specification (opt)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _
- ("Could not parse IPv4 network specification `%s' for `%s:%s'\n"),
- opt, sctx->serviceName, option);
- GNUNET_free (opt);
- return GNUNET_SYSERR;
- }
+ if (NULL == (*ret = GNUNET_STRINGS_parse_ipv4_policy (opt)))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Could not parse IPv4 network specification `%s' for `%s:%s'\n"),
+ opt, sctx->service_name, option);
+ GNUNET_free (opt);
+ return GNUNET_SYSERR;
+ }
GNUNET_free (opt);
return GNUNET_OK;
}
/**
- * Parse an IPv4 access control list.
+ * 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 option name of the ACL option to parse
+ * @return #GNUNET_SYSERR on parse error, #GNUNET_OK on success (including
+ * no ACL configured)
*/
static int
-process_acl6 (struct IPv6NetworkSet **ret,
- struct GNUNET_SERVICE_Context *sctx, const char *option)
+process_acl6 (struct GNUNET_STRINGS_IPv6NetworkPolicy **ret,
+ struct GNUNET_SERVICE_Context *sctx,
+ const char *option)
{
char *opt;
- if (!GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->serviceName, option))
+
+ if (!GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->service_name, option))
+ {
+ *ret = NULL;
return GNUNET_OK;
+ }
GNUNET_break (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_string (sctx->cfg,
- sctx->serviceName,
+ sctx->service_name,
option, &opt));
- if (NULL == (*ret = parse_ipv6_specification (opt)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _
- ("Could not parse IPv6 network specification `%s' for `%s:%s'\n"),
- opt, sctx->serviceName, option);
- GNUNET_free (opt);
- return GNUNET_SYSERR;
- }
+ if (NULL == (*ret = GNUNET_STRINGS_parse_ipv6_policy (opt)))
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Could not parse IPv6 network specification `%s' for `%s:%s'\n"),
+ opt, sctx->service_name, option);
+ GNUNET_free (opt);
+ return GNUNET_SYSERR;
+ }
GNUNET_free (opt);
return GNUNET_OK;
}
+
/**
* Add the given UNIX domain path as an address to the
* list (as the first entry).
* @param saddrs array to update
* @param saddrlens where to store the address length
* @param unixpath path to add
+ * @param abstract #GNUNET_YES to add an abstract UNIX domain socket. This
+ * parameter is ignore on systems other than LINUX
*/
static void
add_unixpath (struct sockaddr **saddrs,
- socklen_t *saddrlens,
- const char *unixpath)
+ socklen_t *saddrlens,
+ const char *unixpath,
+ int abstract)
{
-#ifdef AF_UNIX
+#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';
-#if LINUX
- un->sun_path[0] = '\0';
- slen = sizeof (struct sockaddr_un);
-#else
- slen += sizeof (sa_family_t);
+ strncpy (un->sun_path, unixpath, sizeof (un->sun_path) - 1);
+#ifdef LINUX
+ if (GNUNET_YES == abstract)
+ un->sun_path[0] = '\0';
#endif
- *saddrs = (struct sockaddr*) un;
- *saddrlens = slen;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ un->sun_len = (u_char) sizeof (struct sockaddr_un);
+#endif
+ *saddrs = (struct sockaddr *) un;
+ *saddrlens = sizeof (struct sockaddr_un);
#else
- /* this function should never be called
- unless AF_UNIX is defined! */
+ /* this function should never be called
+ * unless AF_UNIX is defined! */
GNUNET_assert (0);
#endif
}
* Get the list of addresses that a server for the given service
* should bind to.
*
- * @param serviceName name of the service
+ * @param service_name name of the service
* @param cfg configuration (which specifies the addresses)
* @param addrs set (call by reference) to an array of pointers to the
* addresses the server should bind to and listen on; the
* array will be NULL-terminated (on success)
* @param addr_lens set (call by reference) to an array of the lengths
- * of the respective 'struct sockaddr' struct in the 'addrs'
+ * of the respective `struct sockaddr` struct in the @a 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
-GNUNET_SERVICE_get_server_addresses (const char *serviceName,
- const struct GNUNET_CONFIGURATION_Handle *cfg,
- struct sockaddr ***addrs,
- socklen_t **addr_lens)
+GNUNET_SERVICE_get_server_addresses (const char *service_name,
+ const struct GNUNET_CONFIGURATION_Handle *cfg,
+ struct sockaddr ***addrs,
+ socklen_t ** addr_lens)
{
int disablev6;
struct GNUNET_NETWORK_Handle *desc;
unsigned int i;
int resi;
int ret;
+ int abstract;
struct sockaddr **saddrs;
socklen_t *saddrlens;
char *hostname;
*addrs = NULL;
*addr_lens = NULL;
desc = NULL;
- if (GNUNET_CONFIGURATION_have_value (cfg,
- serviceName, "DISABLEV6"))
- {
- if (GNUNET_SYSERR ==
- (disablev6 = GNUNET_CONFIGURATION_get_value_yesno (cfg,
- serviceName,
- "DISABLEV6")))
- return GNUNET_SYSERR;
- }
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "DISABLEV6"))
+ {
+ if (GNUNET_SYSERR ==
+ (disablev6 =
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, service_name, "DISABLEV6")))
+ return GNUNET_SYSERR;
+ }
else
disablev6 = GNUNET_NO;
- if (!disablev6)
+ if (! disablev6)
+ {
+ /* probe IPv6 support */
+ desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_STREAM, 0);
+ if (NULL == desc)
{
- /* probe IPv6 support */
- desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_STREAM, 0);
- if (NULL == desc)
- {
- if ((errno == ENOBUFS) ||
- (errno == ENOMEM) || (errno == ENFILE) || (errno == EACCES))
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "socket");
- return GNUNET_SYSERR;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Disabling IPv6 support for service `%s', failed to create IPv6 socket: %s\n"),
- serviceName, STRERROR (errno));
- disablev6 = GNUNET_YES;
- }
- else
- {
- GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc));
- desc = NULL;
- }
+ if ((ENOBUFS == errno) || (ENOMEM == errno) || (ENFILE == errno) ||
+ (EACCES == errno))
+ {
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "socket");
+ return GNUNET_SYSERR;
+ }
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Disabling IPv6 support for service `%s', failed to create IPv6 socket: %s\n"),
+ service_name, STRERROR (errno));
+ disablev6 = GNUNET_YES;
}
+ else
+ {
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc));
+ desc = NULL;
+ }
+ }
port = 0;
- if (GNUNET_CONFIGURATION_have_value (cfg,
- serviceName, "PORT"))
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "PORT"))
+ {
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, service_name,
+ "PORT", &port))
{
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_number (cfg,
- serviceName,
- "PORT",
- &port));
- if (port > 65535)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Require valid port number for service `%s' in configuration!\n"),
- serviceName);
- return GNUNET_SYSERR;
- }
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Require valid port number for service `%s' in configuration!\n"),
+ service_name);
}
-
- if (GNUNET_CONFIGURATION_have_value (cfg,
- serviceName, "BINDTO"))
+ if (port > 65535)
{
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg,
- serviceName,
- "BINDTO",
- &hostname));
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Require valid port number for service `%s' in configuration!\n"),
+ service_name);
+ return GNUNET_SYSERR;
}
+ }
+
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "BINDTO"))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, service_name,
+ "BINDTO", &hostname));
+ }
else
hostname = NULL;
+ unixpath = NULL;
+ abstract = GNUNET_NO;
#ifdef AF_UNIX
- if (GNUNET_CONFIGURATION_have_value (cfg,
- serviceName, "UNIXPATH"))
+ if ((GNUNET_YES ==
+ GNUNET_CONFIGURATION_have_value (cfg, service_name, "UNIXPATH")) &&
+ (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_filename (cfg, service_name, "UNIXPATH",
+ &unixpath)) &&
+ (0 < strlen (unixpath)))
+ {
+ /* probe UNIX support */
+ struct sockaddr_un s_un;
+
+ if (strlen (unixpath) >= sizeof (s_un.sun_path))
{
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg,
- serviceName,
- "UNIXPATH",
- &unixpath));
-
- /* probe UNIX support */
- struct sockaddr_un s_un;
- if (strlen(unixpath) >= sizeof(s_un.sun_path))
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("UNIXPATH `%s' too long, maximum length is %llu\n"), unixpath,
+ (unsigned long long) sizeof (s_un.sun_path));
+ unixpath = GNUNET_NETWORK_shorten_unixpath (unixpath);
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Using `%s' instead\n"),
+ unixpath);
+ }
+#ifdef LINUX
+ abstract = GNUNET_CONFIGURATION_get_value_yesno (cfg,
+ "TESTING",
+ "USE_ABSTRACT_SOCKETS");
+ if (GNUNET_SYSERR == abstract)
+ abstract = GNUNET_NO;
+#endif
+ if ((GNUNET_YES != abstract)
+ && (GNUNET_OK !=
+ GNUNET_DISK_directory_create_for_file (unixpath)))
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
+ "mkdir",
+ unixpath);
+ }
+ if (NULL != unixpath)
+ {
+ desc = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0);
+ if (NULL == desc)
+ {
+ if ((ENOBUFS == errno) || (ENOMEM == errno) || (ENFILE == errno) ||
+ (EACCES == errno))
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("UNIXPATH `%s' too long, maximum length is %llu\n"),unixpath, sizeof(s_un.sun_path));
- GNUNET_free_non_null (hostname);
- GNUNET_free (unixpath);
- return GNUNET_SYSERR;
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "socket");
+ GNUNET_free_non_null (hostname);
+ GNUNET_free (unixpath);
+ return GNUNET_SYSERR;
}
-
- desc = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0);
- if (NULL == desc)
- {
- if ((errno == ENOBUFS) ||
- (errno == ENOMEM) || (errno == ENFILE) || (errno == EACCES))
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "socket");
- GNUNET_free_non_null (hostname);
- GNUNET_free (unixpath);
- return GNUNET_SYSERR;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Disabling UNIX domain socket support for service `%s', failed to create UNIX domain socket: %s\n"),
- serviceName, STRERROR (errno));
- GNUNET_free (unixpath);
- unixpath = NULL;
- }
- else
- {
- GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc));
- desc = NULL;
- }
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("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;
}
- else
- unixpath = NULL;
-#else
- unixpath = NULL;
+ else
+ {
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc));
+ desc = NULL;
+ }
+ }
#endif
- if ( (port == 0) &&
- (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"),
+ service_name);
+ GNUNET_free_non_null (hostname);
+ return GNUNET_SYSERR;
+ }
+ if (0 == port)
+ {
+ saddrs = GNUNET_malloc (2 * sizeof (struct sockaddr *));
+ saddrlens = GNUNET_malloc (2 * sizeof (socklen_t));
+ add_unixpath (saddrs, saddrlens, unixpath, abstract);
+ GNUNET_free_non_null (unixpath);
+ GNUNET_free_non_null (hostname);
+ *addrs = saddrs;
+ *addr_lens = saddrlens;
+ return 1;
+ }
+
+ if (NULL != hostname)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Resolving `%s' since that is where `%s' will bind to.\n",
+ hostname,
+ service_name);
+ memset (&hints, 0, sizeof (struct addrinfo));
+ if (disablev6)
+ hints.ai_family = AF_INET;
+ hints.ai_protocol = IPPROTO_TCP;
+ if ((0 != (ret = getaddrinfo (hostname, NULL, &hints, &res))) ||
+ (NULL == res))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Have neither PORT nor UNIXPATH for service `%s', but one is required\n"),
- serviceName);
- GNUNET_free_non_null(hostname);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to resolve `%s': %s\n"),
+ hostname,
+ gai_strerror (ret));
+ GNUNET_free (hostname);
+ GNUNET_free_non_null (unixpath);
return GNUNET_SYSERR;
}
- if (port == 0)
+ next = res;
+ i = 0;
+ while (NULL != (pos = next))
+ {
+ next = pos->ai_next;
+ if ((disablev6) && (pos->ai_family == AF_INET6))
+ continue;
+ i++;
+ }
+ if (0 == i)
{
- saddrs = GNUNET_malloc (2 * sizeof(struct sockaddr*));
- saddrlens = GNUNET_malloc (2 * sizeof (socklen_t));
- add_unixpath (saddrs, saddrlens, unixpath);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to find %saddress for `%s'.\n"),
+ disablev6 ? "IPv4 " : "",
+ hostname);
+ freeaddrinfo (res);
+ GNUNET_free (hostname);
GNUNET_free_non_null (unixpath);
- GNUNET_free_non_null(hostname);
- *addrs = saddrs;
- *addr_lens = saddrlens;
- return 1;
+ return GNUNET_SYSERR;
}
-
- if (hostname != NULL)
+ resi = i;
+ if (NULL != unixpath)
+ resi++;
+ saddrs = GNUNET_malloc ((resi + 1) * sizeof (struct sockaddr *));
+ saddrlens = GNUNET_malloc ((resi + 1) * sizeof (socklen_t));
+ i = 0;
+ if (NULL != unixpath)
{
-#if DEBUG_SERVICE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Resolving `%s' since that is where `%s' will bind to.\n",
- hostname,
- serviceName);
-#endif
- memset (&hints, 0, sizeof (struct addrinfo));
- if (disablev6)
- hints.ai_family = AF_INET;
- if ((0 != (ret = getaddrinfo (hostname,
- NULL, &hints, &res))) || (res == NULL))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to resolve `%s': %s\n"),
- hostname, gai_strerror (ret));
- GNUNET_free (hostname);
- GNUNET_free (unixpath);
- return GNUNET_SYSERR;
- }
- next = res;
- i = 0;
- while (NULL != (pos = next))
- {
- next = pos->ai_next;
- if ( (disablev6) && (pos->ai_family == AF_INET6))
- continue;
- i++;
- }
- if (0 == i)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to find %saddress for `%s'.\n"),
- disablev6 ? "IPv4 " : "", hostname);
- freeaddrinfo (res);
- GNUNET_free (hostname);
- GNUNET_free (unixpath);
- return GNUNET_SYSERR;
- }
- resi = i;
+ add_unixpath (saddrs, saddrlens, unixpath, abstract);
+ i++;
+ }
+ next = res;
+ while (NULL != (pos = next))
+ {
+ next = pos->ai_next;
+ if ((disablev6) && (AF_INET6 == pos->ai_family))
+ continue;
+ if ((IPPROTO_TCP != pos->ai_protocol) && (0 != pos->ai_protocol))
+ continue; /* not TCP */
+ if ((SOCK_STREAM != pos->ai_socktype) && (0 != pos->ai_socktype))
+ continue; /* huh? */
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Service `%s' will bind to `%s'\n",
+ service_name, GNUNET_a2s (pos->ai_addr, pos->ai_addrlen));
+ if (AF_INET == pos->ai_family)
+ {
+ GNUNET_assert (sizeof (struct sockaddr_in) == pos->ai_addrlen);
+ saddrlens[i] = pos->ai_addrlen;
+ saddrs[i] = GNUNET_malloc (saddrlens[i]);
+ GNUNET_memcpy (saddrs[i], pos->ai_addr, saddrlens[i]);
+ ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port);
+ }
+ else
+ {
+ GNUNET_assert (AF_INET6 == pos->ai_family);
+ GNUNET_assert (sizeof (struct sockaddr_in6) == pos->ai_addrlen);
+ saddrlens[i] = pos->ai_addrlen;
+ saddrs[i] = GNUNET_malloc (saddrlens[i]);
+ GNUNET_memcpy (saddrs[i], pos->ai_addr, saddrlens[i]);
+ ((struct sockaddr_in6 *) saddrs[i])->sin6_port = htons (port);
+ }
+ i++;
+ }
+ GNUNET_free (hostname);
+ freeaddrinfo (res);
+ resi = i;
+ }
+ else
+ {
+ /* will bind against everything, just set port */
+ if (disablev6)
+ {
+ /* V4-only */
+ resi = 1;
if (NULL != unixpath)
- resi++;
- saddrs = GNUNET_malloc ((resi+1) * sizeof(struct sockaddr*));
- saddrlens = GNUNET_malloc ((resi+1) * sizeof (socklen_t));
+ resi++;
i = 0;
+ saddrs = GNUNET_malloc ((resi + 1) * sizeof (struct sockaddr *));
+ saddrlens = GNUNET_malloc ((resi + 1) * sizeof (socklen_t));
if (NULL != unixpath)
- {
- add_unixpath (saddrs, saddrlens, unixpath);
- i++;
- }
- next = res;
- while (NULL != (pos = next))
- {
- next = pos->ai_next;
- if ( (disablev6) && (pos->ai_family == AF_INET6))
- continue;
-#if DEBUG_SERVICE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Service `%s' will bind to `%s'\n",
- serviceName,
- GNUNET_a2s (pos->ai_addr,
- pos->ai_addrlen));
+ {
+ add_unixpath (saddrs, saddrlens, unixpath, abstract);
+ i++;
+ }
+ saddrlens[i] = sizeof (struct sockaddr_in);
+ saddrs[i] = GNUNET_malloc (saddrlens[i]);
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ ((struct sockaddr_in *) saddrs[i])->sin_len = saddrlens[i];
#endif
- if (pos->ai_family == AF_INET)
- {
- GNUNET_assert (pos->ai_addrlen == sizeof (struct sockaddr_in));
- saddrlens[i] = pos->ai_addrlen;
- saddrs[i] = GNUNET_malloc (saddrlens[i]);
- memcpy (saddrs[i], pos->ai_addr, saddrlens[i]);
- ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port);
- }
- else
- {
- GNUNET_assert (pos->ai_family == AF_INET6);
- GNUNET_assert (pos->ai_addrlen == sizeof (struct sockaddr_in6));
- saddrlens[i] = pos->ai_addrlen;
- saddrs[i] = GNUNET_malloc (saddrlens[i]);
- memcpy (saddrs[i], pos->ai_addr, saddrlens[i]);
- ((struct sockaddr_in6 *) saddrs[i])->sin6_port = htons (port);
- }
- i++;
- }
- GNUNET_free (hostname);
- freeaddrinfo (res);
+ ((struct sockaddr_in *) saddrs[i])->sin_family = AF_INET;
+ ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port);
}
- else
+ else
{
- /* will bind against everything, just set port */
- if (disablev6)
- {
- /* V4-only */
- resi = 1;
- if (NULL != unixpath)
- resi++;
- i = 0;
- saddrs = GNUNET_malloc ((resi+1) * sizeof(struct sockaddr*));
- saddrlens = GNUNET_malloc ((resi+1) * sizeof (socklen_t));
- if (NULL != unixpath)
- {
- add_unixpath (saddrs, saddrlens, unixpath);
- i++;
- }
- saddrlens[i] = sizeof (struct sockaddr_in);
- saddrs[i] = GNUNET_malloc (saddrlens[i]);
-#if HAVE_SOCKADDR_IN_SIN_LEN
- ((struct sockaddr_in *) saddrs[i])->sin_len = saddrlens[i];
-#endif
- ((struct sockaddr_in *) saddrs[i])->sin_family = AF_INET;
- ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port);
- }
- else
- {
- /* dual stack */
- resi = 2;
- if (NULL != unixpath)
- resi++;
- saddrs = GNUNET_malloc ((resi+1) * sizeof(struct sockaddr*));
- saddrlens = GNUNET_malloc ((resi+1) * sizeof (socklen_t));
- i = 0;
- if (NULL != unixpath)
- {
- add_unixpath (saddrs, saddrlens, unixpath);
- i++;
- }
- saddrlens[i] = sizeof (struct sockaddr_in6);
- saddrs[i] = GNUNET_malloc (saddrlens[i]);
+ /* dual stack */
+ resi = 2;
+ if (NULL != unixpath)
+ resi++;
+ saddrs = GNUNET_malloc ((resi + 1) * sizeof (struct sockaddr *));
+ saddrlens = GNUNET_malloc ((resi + 1) * sizeof (socklen_t));
+ i = 0;
+ if (NULL != unixpath)
+ {
+ add_unixpath (saddrs, saddrlens, unixpath, abstract);
+ i++;
+ }
+ saddrlens[i] = sizeof (struct sockaddr_in6);
+ saddrs[i] = GNUNET_malloc (saddrlens[i]);
#if HAVE_SOCKADDR_IN_SIN_LEN
- ((struct sockaddr_in6 *) saddrs[i])->sin6_len = saddrlens[0];
+ ((struct sockaddr_in6 *) saddrs[i])->sin6_len = saddrlens[0];
#endif
- ((struct sockaddr_in6 *) saddrs[i])->sin6_family = AF_INET6;
- ((struct sockaddr_in6 *) saddrs[i])->sin6_port = htons (port);
- i++;
- saddrlens[i] = sizeof (struct sockaddr_in);
- saddrs[i] = GNUNET_malloc (saddrlens[i]);
+ ((struct sockaddr_in6 *) saddrs[i])->sin6_family = AF_INET6;
+ ((struct sockaddr_in6 *) saddrs[i])->sin6_port = htons (port);
+ i++;
+ saddrlens[i] = sizeof (struct sockaddr_in);
+ saddrs[i] = GNUNET_malloc (saddrlens[i]);
#if HAVE_SOCKADDR_IN_SIN_LEN
- ((struct sockaddr_in *) saddrs[i])->sin_len = saddrlens[1];
+ ((struct sockaddr_in *) saddrs[i])->sin_len = saddrlens[1];
#endif
- ((struct sockaddr_in *) saddrs[i])->sin_family = AF_INET;
- ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port);
- }
+ ((struct sockaddr_in *) saddrs[i])->sin_family = AF_INET;
+ ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port);
}
+ }
GNUNET_free_non_null (unixpath);
*addrs = saddrs;
*addr_lens = saddrlens;
}
+#ifdef MINGW
+/**
+ * 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.
+ */
+static int
+receive_sockets_from_parent (struct GNUNET_SERVICE_Context *sctx)
+{
+ const char *env_buf;
+ int fail;
+ uint64_t count;
+ uint64_t i;
+ HANDLE lsocks_pipe;
+
+ env_buf = getenv ("GNUNET_OS_READ_LSOCKS");
+ if ((NULL == env_buf) || (strlen (env_buf) <= 0))
+ return GNUNET_NO;
+ /* Using W32 API directly here, because this pipe will
+ * never be used outside of this function, and it's just too much of a bother
+ * to create a GNUnet API that boxes a HANDLE (the way it is done with socks)
+ */
+ lsocks_pipe = (HANDLE) strtoul (env_buf, NULL, 10);
+ if ( (0 == lsocks_pipe) || (INVALID_HANDLE_VALUE == lsocks_pipe))
+ return GNUNET_NO;
+ fail = 1;
+ do
+ {
+ int ret;
+ int fail2;
+ DWORD rd;
+
+ ret = ReadFile (lsocks_pipe, &count, sizeof (count), &rd, NULL);
+ if ((0 == ret) || (sizeof (count) != rd) || (0 == count))
+ break;
+ sctx->lsocks =
+ GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle *) * (count + 1));
+
+ fail2 = 1;
+ for (i = 0; i < count; i++)
+ {
+ WSAPROTOCOL_INFOA pi;
+ uint64_t size;
+ SOCKET s;
+
+ ret = ReadFile (lsocks_pipe, &size, sizeof (size), &rd, NULL);
+ if ( (0 == ret) || (sizeof (size) != rd) || (sizeof (pi) != size) )
+ break;
+ ret = ReadFile (lsocks_pipe, &pi, sizeof (pi), &rd, NULL);
+ if ( (0 == ret) || (sizeof (pi) != rd))
+ break;
+ s = WSASocketA (pi.iAddressFamily, pi.iSocketType, pi.iProtocol, &pi, 0, WSA_FLAG_OVERLAPPED);
+ sctx->lsocks[i] = GNUNET_NETWORK_socket_box_native (s);
+ if (NULL == sctx->lsocks[i])
+ break;
+ else if (i == count - 1)
+ fail2 = 0;
+ }
+ if (fail2)
+ break;
+ sctx->lsocks[count] = NULL;
+ fail = 0;
+ }
+ while (fail);
+
+ CloseHandle (lsocks_pipe);
+
+ if (fail)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Could not access a pre-bound socket, will try to bind myself\n"));
+ for (i = 0; (i < count) && (NULL != sctx->lsocks[i]); i++)
+ GNUNET_break (0 == GNUNET_NETWORK_socket_close (sctx->lsocks[i]));
+ GNUNET_free_non_null (sctx->lsocks);
+ sctx->lsocks = NULL;
+ return GNUNET_NO;
+ }
+ return GNUNET_YES;
+}
+#endif
+
+
/**
* Setup addr, addrlen, idle_timeout
* based on configuration!
* - REJECT_FROM (disallow allow connections from specified IPv4 subnets)
* - REJECT_FROM6 (disallow allow connections from specified IPv6 subnets)
*
- * @return GNUNET_OK if configuration succeeded
+ * @param sctx service context to initialize
+ * @return #GNUNET_OK if configuration succeeded
*/
static int
setup_service (struct GNUNET_SERVICE_Context *sctx)
{
struct GNUNET_TIME_Relative idleout;
int tolerant;
+
#ifndef MINGW
- const char *lpid;
- unsigned int pid;
const char *nfds;
unsigned int cnt;
int flags;
#endif
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "TIMEOUT"))
+ if (GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->service_name, "TIMEOUT"))
+ {
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (sctx->cfg, sctx->service_name,
+ "TIMEOUT", &idleout))
{
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_time (sctx->cfg,
- sctx->serviceName,
- "TIMEOUT", &idleout))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Specified value for `%s' of service `%s' is invalid\n"),
- "TIMEOUT",
- sctx->serviceName);
- return GNUNET_SYSERR;
- }
- sctx->timeout = idleout;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Specified value for `%s' of service `%s' is invalid\n"),
+ "TIMEOUT", sctx->service_name);
+ return GNUNET_SYSERR;
}
+ sctx->timeout = idleout;
+ }
else
sctx->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "TOLERANT"))
+ if (GNUNET_CONFIGURATION_have_value
+ (sctx->cfg, sctx->service_name, "TOLERANT"))
+ {
+ if (GNUNET_SYSERR ==
+ (tolerant =
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->service_name,
+ "TOLERANT")))
{
- if (GNUNET_SYSERR ==
- (tolerant = GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg,
- sctx->serviceName,
- "TOLERANT")))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Specified value for `%s' of service `%s' is invalid\n"),
- "TOLERANT",
- sctx->serviceName);
- return GNUNET_SYSERR;
- }
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Specified value for `%s' of service `%s' is invalid\n"),
+ "TOLERANT", sctx->service_name);
+ return GNUNET_SYSERR;
}
+ }
else
tolerant = GNUNET_NO;
#ifndef MINGW
errno = 0;
- if ( (NULL != (lpid = getenv ("LISTEN_PID"))) &&
- (1 == sscanf (lpid, "%u", &pid)) &&
- (getpid () == (pid_t) pid) &&
- (NULL != (nfds = getenv ("LISTEN_FDS"))) &&
- (1 == sscanf (nfds, "%u", &cnt)) &&
- (cnt > 0) &&
- (cnt < FD_SETSIZE) &&
- (cnt + 4 < FD_SETSIZE) )
+ if ((NULL != (nfds = getenv ("LISTEN_FDS"))) &&
+ (1 == SSCANF (nfds, "%u", &cnt)) && (cnt > 0) && (cnt < FD_SETSIZE) &&
+ (cnt + 4 < FD_SETSIZE))
+ {
+ sctx->lsocks =
+ GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle *) * (cnt + 1));
+ while (0 < cnt--)
{
- sctx->lsocks = GNUNET_malloc (sizeof(struct GNUNET_NETWORK_Handle*) * (cnt+1));
- while (0 < cnt--)
- {
- flags = fcntl (3 + cnt, F_GETFD);
- if ( (flags < 0) ||
- (0 != (flags & FD_CLOEXEC)) ||
- (NULL == (sctx->lsocks[cnt] = GNUNET_NETWORK_socket_box_native (3 + cnt))) )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Could not access pre-bound socket %u, will try to bind myself\n"),
- (unsigned int) 3 +cnt);
- cnt++;
- while (sctx->lsocks[cnt] != NULL)
- GNUNET_break (0 == GNUNET_NETWORK_socket_close (sctx->lsocks[cnt++]));
- GNUNET_free (sctx->lsocks);
- sctx->lsocks = NULL;
- break;
- }
- }
- unsetenv ("LISTEN_PID");
- unsetenv ("LISTEN_FDS");
+ flags = fcntl (3 + cnt, F_GETFD);
+ if ((flags < 0) || (0 != (flags & FD_CLOEXEC)) ||
+ (NULL ==
+ (sctx->lsocks[cnt] = GNUNET_NETWORK_socket_box_native (3 + cnt))))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("Could not access pre-bound socket %u, will try to bind myself\n"),
+ (unsigned int) 3 + cnt);
+ cnt++;
+ while (sctx->lsocks[cnt] != NULL)
+ GNUNET_break (0 == GNUNET_NETWORK_socket_close (sctx->lsocks[cnt++]));
+ GNUNET_free (sctx->lsocks);
+ sctx->lsocks = NULL;
+ break;
+ }
}
+ unsetenv ("LISTEN_FDS");
+ }
+#else
+ if (getenv ("GNUNET_OS_READ_LSOCKS") != NULL)
+ {
+ receive_sockets_from_parent (sctx);
+ putenv ("GNUNET_OS_READ_LSOCKS=");
+ }
#endif
- if ( (sctx->lsocks == NULL) &&
- (GNUNET_SYSERR ==
- GNUNET_SERVICE_get_server_addresses (sctx->serviceName,
- sctx->cfg,
- &sctx->addrs,
- &sctx->addrlens)) )
+ if ((NULL == sctx->lsocks) &&
+ (GNUNET_SYSERR ==
+ GNUNET_SERVICE_get_server_addresses (sctx->service_name, sctx->cfg,
+ &sctx->addrs, &sctx->addrlens)))
return GNUNET_SYSERR;
sctx->require_found = tolerant ? GNUNET_NO : GNUNET_YES;
-
+ sctx->match_uid =
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->service_name,
+ "UNIX_MATCH_UID");
+ sctx->match_gid =
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->service_name,
+ "UNIX_MATCH_GID");
process_acl4 (&sctx->v4_denied, sctx, "REJECT_FROM");
process_acl4 (&sctx->v4_allowed, sctx, "ACCEPT_FROM");
process_acl6 (&sctx->v6_denied, sctx, "REJECT_FROM6");
/**
* Get the name of the user that'll be used
* to provide the service.
+ *
+ * @param sctx service context
+ * @return value of the 'USERNAME' option
*/
static char *
get_user_name (struct GNUNET_SERVICE_Context *sctx)
{
-
char *un;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (sctx->cfg,
- sctx->serviceName,
+ GNUNET_CONFIGURATION_get_value_filename (sctx->cfg, sctx->service_name,
"USERNAME", &un))
return NULL;
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)
*/
static int
write_pid_file (struct GNUNET_SERVICE_Context *sctx, pid_t pid)
len--;
rdir[len] = '\0';
if (0 != ACCESS (rdir, F_OK))
- {
- /* we get to create a directory -- and claim it
- as ours! */
- GNUNET_DISK_directory_create (rdir);
- if ((user != NULL) && (0 < strlen (user)))
- GNUNET_DISK_file_change_owner (rdir, user);
- }
+ {
+ /* we get to create a directory -- and claim it
+ * as ours! */
+ (void) GNUNET_DISK_directory_create (rdir);
+ if ((NULL != user) && (0 < strlen (user)))
+ GNUNET_DISK_file_change_owner (rdir, user);
+ }
if (0 != ACCESS (rdir, W_OK | X_OK))
- {
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "access", rdir);
- GNUNET_free (rdir);
- GNUNET_free_non_null (user);
- GNUNET_free (pif);
- return GNUNET_SYSERR;
- }
+ {
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "access", rdir);
+ GNUNET_free (rdir);
+ GNUNET_free_non_null (user);
+ GNUNET_free (pif);
+ return GNUNET_SYSERR;
+ }
GNUNET_free (rdir);
pidfd = FOPEN (pif, "w");
- if (pidfd == NULL)
- {
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "fopen", pif);
- GNUNET_free (pif);
- GNUNET_free_non_null (user);
- return GNUNET_SYSERR;
- }
+ if (NULL == pidfd)
+ {
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "fopen", pif);
+ GNUNET_free (pif);
+ GNUNET_free_non_null (user);
+ return GNUNET_SYSERR;
+ }
if (0 > FPRINTF (pidfd, "%u", pid))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "fprintf", pif);
- GNUNET_break (0 == fclose (pidfd));
- if ((user != NULL) && (0 < strlen (user)))
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fprintf", pif);
+ GNUNET_break (0 == FCLOSE (pidfd));
+ if ((NULL != user) && (0 < strlen (user)))
GNUNET_DISK_file_change_owner (pif, user);
GNUNET_free_non_null (user);
GNUNET_free (pif);
/**
- * Task run during shutdown.
+ * Task run during shutdown. Stops the server/service.
*
- * @param cls unused
- * @param tc unused
+ * @param cls the `struct GNUNET_SERVICE_Context`
*/
static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls)
{
- struct GNUNET_SERVER_Handle *server = cls;
+ struct GNUNET_SERVICE_Context *service = cls;
+ struct GNUNET_SERVER_Handle *server = service->server;
- GNUNET_SERVER_destroy (server);
+ service->shutdown_task = NULL;
+ if (0 != (service->options & GNUNET_SERVICE_OPTION_SOFT_SHUTDOWN))
+ GNUNET_SERVER_stop_listening (server);
+ else
+ GNUNET_SERVER_destroy (server);
}
/**
* Initial task for the service.
+ *
+ * @param cls service context
*/
static void
-service_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+service_task (void *cls)
{
struct GNUNET_SERVICE_Context *sctx = cls;
unsigned int i;
- if (sctx->lsocks != NULL)
- sctx->server = GNUNET_SERVER_create_with_sockets (&check_access,
- sctx,
- sctx->lsocks,
- sctx->timeout, sctx->require_found);
+ (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->timeout, sctx->require_found);
else
- sctx->server = GNUNET_SERVER_create (&check_access,
- sctx,
- sctx->addrs,
- sctx->addrlens,
- sctx->timeout, sctx->require_found);
- if (sctx->server == NULL)
- {
- if (sctx->addrs != NULL)
- {
- i = 0;
- while (sctx->addrs[i] != NULL)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Failed to start `%s' at `%s'\n"),
- sctx->serviceName,
- GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
- i++;
- }
- }
- sctx->ret = GNUNET_SYSERR;
- return;
- }
+ 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)
+ 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]));
+ 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)
+ && ('\0' != ((const struct sockaddr_un *)sctx->addrs[i])->sun_path[0]))
+ 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 */
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- &shutdown_task, sctx->server);
- }
+ {
+ /* install a task that will kill the server
+ * process if the scheduler ever gets a shutdown signal */
+ sctx->shutdown_task = GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
+ sctx);
+ }
sctx->my_handlers = GNUNET_malloc (sizeof (defhandlers));
- memcpy (sctx->my_handlers, defhandlers, sizeof (defhandlers));
+ GNUNET_memcpy (sctx->my_handlers, defhandlers, sizeof (defhandlers));
i = 0;
- while ((sctx->my_handlers[i].callback != NULL))
+ while (NULL != sctx->my_handlers[i].callback)
sctx->my_handlers[i++].callback_cls = sctx;
GNUNET_SERVER_add_handlers (sctx->server, sctx->my_handlers);
- if (sctx->ready_confirm_fd != -1)
- {
- GNUNET_break (1 == WRITE (sctx->ready_confirm_fd, ".", 1));
- GNUNET_break (0 == CLOSE (sctx->ready_confirm_fd));
- sctx->ready_confirm_fd = -1;
- write_pid_file (sctx, getpid ());
- }
- if (sctx->addrs != NULL)
+ if (-1 != sctx->ready_confirm_fd)
+ {
+ GNUNET_break (1 == WRITE (sctx->ready_confirm_fd, ".", 1));
+ GNUNET_break (0 == CLOSE (sctx->ready_confirm_fd));
+ sctx->ready_confirm_fd = -1;
+ write_pid_file (sctx, getpid ());
+ }
+ if (NULL != sctx->addrs)
+ {
+ i = 0;
+ while (NULL != sctx->addrs[i])
{
- i = 0;
- while (sctx->addrs[i] != NULL)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Service `%s' runs at %s\n"),
- sctx->serviceName,
- GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
- i++;
- }
+ LOG (GNUNET_ERROR_TYPE_INFO, _("Service `%s' runs at %s\n"),
+ sctx->service_name, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
+ i++;
}
+ }
sctx->task (sctx->task_cls, sctx->server, sctx->cfg);
}
/**
* Detach from terminal.
+ *
+ * @param sctx service context
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
static int
detach_terminal (struct GNUNET_SERVICE_Context *sctx)
int filedes[2];
if (0 != PIPE (filedes))
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "pipe");
- return GNUNET_SYSERR;
- }
+ {
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "pipe");
+ return GNUNET_SYSERR;
+ }
pid = fork ();
if (pid < 0)
+ {
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "fork");
+ return GNUNET_SYSERR;
+ }
+ if (0 != pid)
+ {
+ /* Parent */
+ char c;
+
+ GNUNET_break (0 == CLOSE (filedes[1]));
+ c = 'X';
+ if (1 != READ (filedes[0], &c, sizeof (char)))
+ LOG_STRERROR (GNUNET_ERROR_TYPE_WARNING, "read");
+ fflush (stdout);
+ switch (c)
{
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "fork");
- return GNUNET_SYSERR;
- }
- if (pid != 0)
- {
- /* Parent */
- char c;
-
- GNUNET_break (0 == CLOSE (filedes[1]));
- c = 'X';
- if (1 != READ (filedes[0], &c, sizeof (char)))
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "read");
- fflush (stdout);
- switch (c)
- {
- case '.':
- exit (0);
- case 'I':
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Service process failed to initialize\n"));
- break;
- case 'S':
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Service process could not initialize server function\n"));
- break;
- case 'X':
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Service process failed to report status\n"));
- break;
- }
- exit (1); /* child reported error */
+ case '.':
+ exit (0);
+ case 'I':
+ LOG (GNUNET_ERROR_TYPE_INFO, _("Service process failed to initialize\n"));
+ break;
+ case 'S':
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Service process could not initialize server function\n"));
+ break;
+ case 'X':
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Service process failed to report status\n"));
+ break;
}
+ exit (1); /* child reported error */
+ }
GNUNET_break (0 == CLOSE (0));
GNUNET_break (0 == CLOSE (1));
GNUNET_break (0 == CLOSE (filedes[0]));
return GNUNET_SYSERR;
/* set stdin/stdout to /dev/null */
if ((dup2 (nullfd, 0) < 0) || (dup2 (nullfd, 1) < 0))
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "dup2");
- (void) CLOSE (nullfd);
- return GNUNET_SYSERR;
- }
+ {
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "dup2");
+ (void) CLOSE (nullfd);
+ return GNUNET_SYSERR;
+ }
(void) CLOSE (nullfd);
/* Detach from controlling terminal */
pid = setsid ();
- if (pid == -1)
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "setsid");
+ if (-1 == pid)
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "setsid");
sctx->ready_confirm_fd = filedes[1];
#else
/* FIXME: we probably need to do something else
- elsewhere in order to fork the process itself... */
+ * elsewhere in order to fork the process itself... */
FreeConsole ();
#endif
return GNUNET_OK;
/**
* Set user ID.
+ *
+ * @param sctx service context
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
static int
set_user_id (struct GNUNET_SERVICE_Context *sctx)
errno = 0;
pws = getpwnam (user);
- if (pws == NULL)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Cannot obtain information about user `%s': %s\n"),
- user, errno == 0 ? _("No such user") : STRERROR (errno));
- GNUNET_free (user);
- return GNUNET_SYSERR;
- }
+ if (NULL == pws)
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Cannot obtain information about user `%s': %s\n"), user,
+ errno == 0 ? _("No such user") : STRERROR (errno));
+ GNUNET_free (user);
+ return GNUNET_SYSERR;
+ }
if ((0 != setgid (pws->pw_gid)) || (0 != setegid (pws->pw_gid)) ||
#if HAVE_INITGROUPS
(0 != initgroups (user, pws->pw_gid)) ||
#endif
(0 != setuid (pws->pw_uid)) || (0 != seteuid (pws->pw_uid)))
+ {
+ if ((0 != setregid (pws->pw_gid, pws->pw_gid)) ||
+ (0 != setreuid (pws->pw_uid, pws->pw_uid)))
{
- if ((0 != setregid (pws->pw_gid, pws->pw_gid)) ||
- (0 != setreuid (pws->pw_uid, pws->pw_uid)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Cannot change user/group to `%s': %s\n"), user,
- STRERROR (errno));
- GNUNET_free (user);
- return GNUNET_SYSERR;
- }
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Cannot change user/group to `%s': %s\n"),
+ user, STRERROR (errno));
+ GNUNET_free (user);
+ return GNUNET_SYSERR;
}
+ }
#endif
GNUNET_free (user);
return GNUNET_OK;
/**
* Delete the PID file that was created by our parent.
+ *
+ * @param sctx service context
*/
static void
pid_file_delete (struct GNUNET_SERVICE_Context *sctx)
{
char *pif = get_pid_file_name (sctx);
- if (pif == NULL)
+
+ if (NULL == pif)
return; /* no PID file */
if (0 != UNLINK (pif))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", pif);
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "unlink", pif);
GNUNET_free (pif);
}
*
* @param argc number of command line arguments
* @param argv command line arguments
- * @param serviceName our service name
- * @param opt service options
+ * @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 *serviceName,
- enum GNUNET_SERVICE_Options opt,
- GNUNET_SERVICE_Main task, void *task_cls)
+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 { err = 1; GNUNET_break (0); goto shutdown; } while (0)
+#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;
unsigned int i;
+ unsigned long long skew_offset;
+ unsigned long long skew_variance;
+ 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},
- GNUNET_GETOPT_OPTION_HELP (serviceName),
+ GNUNET_GETOPT_OPTION_HELP (NULL),
GNUNET_GETOPT_OPTION_LOGLEVEL (&loglev),
GNUNET_GETOPT_OPTION_LOGFILE (&logfile),
- GNUNET_GETOPT_OPTION_VERSION (PACKAGE_VERSION),
+ GNUNET_GETOPT_OPTION_VERSION (PACKAGE_VERSION " " VCS_VERSION),
GNUNET_GETOPT_OPTION_END
};
- err = 0;
+ err = 1;
do_daemonize = 0;
logfile = NULL;
- loglev = GNUNET_strdup ("WARNING");
- cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_USER_CONFIG_FILE);
+ loglev = NULL;
+ opt_cfg_fn = NULL;
+ xdg = getenv ("XDG_CONFIG_HOME");
+ if (NULL != xdg)
+ GNUNET_asprintf (&cfg_fn,
+ "%s%s%s",
+ xdg,
+ DIR_SEPARATOR_STR,
+ GNUNET_OS_project_data_get ()->config_file);
+ else
+ cfg_fn = GNUNET_strdup (GNUNET_OS_project_data_get ()->user_config_file);
memset (&sctx, 0, sizeof (sctx));
- sctx.options = opt;
+ sctx.options = options;
sctx.ready_confirm_fd = -1;
sctx.ret = GNUNET_OK;
sctx.timeout = GNUNET_TIME_UNIT_FOREVER_REL;
sctx.task = task;
sctx.task_cls = task_cls;
- sctx.serviceName = serviceName;
+ sctx.service_name = service_name;
sctx.cfg = cfg = GNUNET_CONFIGURATION_create ();
+
/* setup subsystems */
- if (GNUNET_SYSERR == GNUNET_GETOPT_run (serviceName, service_options, argc,
- argv))
+ ret = GNUNET_GETOPT_run (service_name, service_options, argc, argv);
+ if (GNUNET_SYSERR == ret)
goto shutdown;
- if (GNUNET_OK != GNUNET_log_setup (serviceName, loglev, logfile))
- HANDLE_ERROR;
- if (GNUNET_OK != GNUNET_CONFIGURATION_load (cfg, cfg_fn))
+ if (GNUNET_NO == ret)
+ {
+ err = 0;
goto shutdown;
+ }
+ 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 (opt_cfg_fn))
+ {
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_load (cfg, opt_cfg_fn))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Malformed configuration file `%s', exit ...\n"),
+ opt_cfg_fn);
+ goto shutdown;
+ }
+ }
+ else
+ {
+ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_load (cfg, NULL))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Malformed configuration, exit ...\n"));
+ goto shutdown;
+ }
+ if (0 != strcmp (opt_cfg_fn, cfg_fn))
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Could not access configuration file `%s'\n"),
+ opt_cfg_fn);
+ }
if (GNUNET_OK != setup_service (&sctx))
goto shutdown;
- if ( (do_daemonize == 1) && (GNUNET_OK != detach_terminal (&sctx)))
+ if ((1 == do_daemonize) && (GNUNET_OK != detach_terminal (&sctx)))
HANDLE_ERROR;
if (GNUNET_OK != set_user_id (&sctx))
goto shutdown;
-#if DEBUG_SERVICE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Service `%s' runs with configuration from `%s'\n",
- serviceName, cfg_fn);
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "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)) &&
+ (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (sctx.cfg, "TESTING",
+ "SKEW_VARIANCE", &skew_variance)))
+ {
+ clock_offset = skew_offset - skew_variance;
+ GNUNET_TIME_set_offset (clock_offset);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Skewing clock by %dll ms\n", clock_offset);
+ }
/* actually run service */
+ err = 0;
GNUNET_SCHEDULER_run (&service_task, &sctx);
-
/* shutdown */
- if ((do_daemonize == 1) && (sctx.server != NULL))
+ if ((1 == do_daemonize) && (NULL != sctx.server))
pid_file_delete (&sctx);
GNUNET_free_non_null (sctx.my_handlers);
shutdown:
- if (sctx.ready_confirm_fd != -1)
+ if (-1 != sctx.ready_confirm_fd)
+ {
+ if (1 != WRITE (sctx.ready_confirm_fd, err ? "I" : "S", 1))
+ LOG_STRERROR (GNUNET_ERROR_TYPE_WARNING, "write");
+ GNUNET_break (0 == CLOSE (sctx.ready_confirm_fd));
+ }
+#if HAVE_MALLINFO
+ {
+ char *counter;
+
+ if ( (GNUNET_YES ==
+ GNUNET_CONFIGURATION_have_value (sctx.cfg, service_name,
+ "GAUGER_HEAP")) &&
+ (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (sctx.cfg, service_name,
+ "GAUGER_HEAP",
+ &counter)) )
{
- if (1 != WRITE (sctx.ready_confirm_fd, err ? "I" : "S", 1))
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "write");
- GNUNET_break (0 == CLOSE (sctx.ready_confirm_fd));
- }
+ struct mallinfo mi;
+ mi = mallinfo ();
+ GAUGER (service_name, counter, mi.usmblks, "blocks");
+ GNUNET_free (counter);
+ }
+ }
+#endif
+ GNUNET_SPEEDUP_stop_ ();
GNUNET_CONFIGURATION_destroy (cfg);
i = 0;
- if (sctx.addrs != NULL)
- while (sctx.addrs[i] != NULL)
- GNUNET_free (sctx.addrs[i++]);
+ if (NULL != sctx.addrs)
+ while (NULL != sctx.addrs[i])
+ GNUNET_free (sctx.addrs[i++]);
GNUNET_free_non_null (sctx.addrs);
GNUNET_free_non_null (sctx.addrlens);
GNUNET_free_non_null (logfile);
- GNUNET_free (loglev);
+ GNUNET_free_non_null (loglev);
GNUNET_free (cfg_fn);
+ GNUNET_free_non_null (opt_cfg_fn);
GNUNET_free_non_null (sctx.v4_denied);
GNUNET_free_non_null (sctx.v6_denied);
GNUNET_free_non_null (sctx.v4_allowed);
* Run a service startup sequence within an existing
* initialized system.
*
- * @param serviceName our service name
+ * @param service_name our service name
* @param cfg configuration to use
+ * @param options service options
* @return NULL on error, service handle
*/
struct GNUNET_SERVICE_Context *
-GNUNET_SERVICE_start (const char *serviceName,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
+GNUNET_SERVICE_start (const char *service_name,
+ const struct GNUNET_CONFIGURATION_Handle *cfg,
+ enum GNUNET_SERVICE_Options options)
{
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;
- sctx->serviceName = serviceName;
+ sctx->service_name = service_name;
sctx->cfg = cfg;
+ sctx->options = options;
/* setup subsystems */
if (GNUNET_OK != setup_service (sctx))
- {
- GNUNET_SERVICE_stop (sctx);
- return NULL;
- }
- if (sctx->lsocks != NULL)
- sctx->server = GNUNET_SERVER_create_with_sockets (&check_access,
- sctx,
- sctx->lsocks,
- sctx->timeout, sctx->require_found);
+ {
+ GNUNET_SERVICE_stop (sctx);
+ return NULL;
+ }
+ if (NULL != 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->timeout,
- sctx->require_found);
-
+ sctx->server =
+ GNUNET_SERVER_create (&check_access, sctx, sctx->addrs, sctx->addrlens,
+ sctx->timeout, sctx->require_found);
+
if (NULL == sctx->server)
- {
- GNUNET_SERVICE_stop (sctx);
- return NULL;
- }
+ {
+ 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)
+ && ('\0' != ((const struct sockaddr_un *)sctx->addrs[i])->sun_path[0]))
+ 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));
+ GNUNET_memcpy (sctx->my_handlers, defhandlers, sizeof (defhandlers));
i = 0;
while ((sctx->my_handlers[i].callback != NULL))
sctx->my_handlers[i++].callback_cls = sctx;
return sctx;
}
+
/**
* Obtain the server used by a service. Note that the server must NOT
* be destroyed by the caller.
}
+/**
+ * Get the NULL-terminated array of listen sockets for this service.
+ *
+ * @param ctx service context to query
+ * @return NULL if there are no listen sockets, otherwise NULL-terminated
+ * array of listen sockets.
+ */
+struct GNUNET_NETWORK_Handle *const*
+GNUNET_SERVICE_get_listen_sockets (struct GNUNET_SERVICE_Context *ctx)
+{
+ return ctx->lsocks;
+}
+
+
/**
* Stop a service that was started with "GNUNET_SERVICE_start".
*
GNUNET_SERVICE_stop (struct GNUNET_SERVICE_Context *sctx)
{
unsigned int i;
+
+#if HAVE_MALLINFO
+ {
+ char *counter;
+
+ if ( (GNUNET_YES ==
+ GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->service_name,
+ "GAUGER_HEAP")) &&
+ (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (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 (NULL != sctx->shutdown_task)
+ {
+ GNUNET_SCHEDULER_cancel (sctx->shutdown_task);
+ sctx->shutdown_task = NULL;
+ }
if (NULL != sctx->server)
GNUNET_SERVER_destroy (sctx->server);
GNUNET_free_non_null (sctx->my_handlers);
- if (sctx->addrs != NULL)
- {
- i = 0;
- while (sctx->addrs[i] != NULL)
- GNUNET_free (sctx->addrs[i++]);
- GNUNET_free (sctx->addrs);
- }
+ if (NULL != sctx->addrs)
+ {
+ i = 0;
+ while (NULL != sctx->addrs[i])
+ GNUNET_free (sctx->addrs[i++]);
+ GNUNET_free (sctx->addrs);
+ }
GNUNET_free_non_null (sctx->addrlens);
GNUNET_free_non_null (sctx->v4_denied);
GNUNET_free_non_null (sctx->v6_denied);
projects / oweals / gnunet.git / blobdiff