#include "gnunet_getopt_lib.h"
#include "gnunet_os_lib.h"
#include "gnunet_protocols.h"
+#include "gnunet_resolver_service.h"
#include "gnunet_server_lib.h"
#include "gnunet_service_lib.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+
+#define LOG_STRERROR(kind,syscall) GNUNET_log_from_strerror (kind, "util", syscall)
+
+#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
+
+#define DEBUG_SERVICE GNUNET_EXTRA_LOGGING
+
/* ******************* access control ******************** */
/**
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)
{
- 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)
{
- 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;
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid format for IP: `%s'\n"),
+ &routeList[pos]);
+ GNUNET_free (result);
+ return NULL;
}
- /* try second notation */
- cnt = sscanf (&routeList[pos],
- "%u.%u.%u.%u/%u;",
- &temps[0], &temps[1], &temps[2], &temps[3], &slash);
- if (cnt == 5)
+ 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)
{
- 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 */
- }
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid format for IP: `%s'\n"),
+ &routeList[pos]);
+ GNUNET_free (result);
+ return NULL;
}
- /* try third notation */
- slash = 32;
- cnt = sscanf (&routeList[pos],
- "%u.%u.%u.%u;",
- &temps[0], &temps[1], &temps[2], &temps[3]);
- if (cnt == 4)
+ 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)
{
- 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;
+ result[i].netmask.s_addr =
+ (result[i].netmask.s_addr >> 1) + 0x80000000;
+ slash--;
}
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"), &routeList[pos]);
- GNUNET_free (result);
- return NULL; /* error */
+ result[i].netmask.s_addr = htonl (result[i].netmask.s_addr);
+ while (routeList[pos] != ';')
+ pos++;
+ pos++;
+ i++;
+ continue;
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Invalid network notation ('/%d' is not legal in IPv4 CIDR)."),
+ slash);
+ GNUNET_free (result);
+ return NULL; /* error */
+ }
}
- if (pos < strlen (routeList))
+ /* try third notation */
+ slash = 32;
+ cnt =
+ SSCANF (&routeList[pos], "%u.%u.%u.%u;", &temps[0], &temps[1],
+ &temps[2], &temps[3]);
+ if (cnt == 4)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid format for IP: `%s'\n"), &routeList[pos]);
- GNUNET_free (result);
- return NULL; /* oops */
+ for (j = 0; j < 4; j++)
+ if (temps[j] > 0xFF)
+ {
+ 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;
}
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid format for IP: `%s'\n"),
+ &routeList[pos]);
+ GNUNET_free (result);
+ return NULL; /* error */
+ }
+ if (pos < strlen (routeList))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid format for IP: `%s'\n"),
+ &routeList[pos]);
+ GNUNET_free (result);
+ return NULL; /* oops */
+ }
return result; /* ok */
}
* notation. The netmask must be given in CIDR notation (/16) or
* can be omitted to specify a single host.
* <p>
- * @param routeList a string specifying the forbidden networks
+ * @param routeListX a string specifying the forbidden networks
* @return the converted list, NULL if the synatx is flawed
*/
static struct IPv6NetworkSet *
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;
- }
+ {
+ 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)
{
- start = pos;
- while (routeList[pos] != ';')
- pos++;
+ memset (&result[i].netmask, 0xFF, sizeof (struct in6_addr));
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);
+ }
+ 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 network\n"),
- &routeList[slash + 1]);
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Wrong format `%s' for netmask\n"),
+ &routeList[slash + 1]);
else
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "inet_pton");
+ {
+ errno = save;
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "inet_pton");
+ }
GNUNET_free (result);
GNUNET_free (routeList);
return NULL;
}
- pos++;
- i++;
+ 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)
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Wrong format `%s' for network\n"),
+ &routeList[slash + 1]);
+ else
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "inet_pton");
+ GNUNET_free (result);
+ GNUNET_free (routeList);
+ return NULL;
+ }
+ pos++;
+ i++;
+ }
GNUNET_free (routeList);
return result;
}
* 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)
+ * @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
*/
static int
-check_ipv4_listed (const struct IPv4NetworkSet *list,
- const struct in_addr *add)
+check_ipv4_listed (const struct IPv4NetworkSet *list, const struct in_addr *add)
{
int i;
return GNUNET_NO;
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;
}
* @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,
- const struct in6_addr *ip)
+check_ipv6_listed (const struct IPv6NetworkSet *list, const struct in6_addr *ip)
{
unsigned int i;
unsigned int j;
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;
- }
+ {
+ 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;
}
/**
* Our configuration.
*/
- struct GNUNET_CONFIGURATION_Handle *cfg;
+ const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Handle for the server.
struct GNUNET_SERVER_Handle *server;
/**
- * Scheduler for the server.
- */
- struct GNUNET_SCHEDULER_Handle *sched;
-
- /**
- * Address to bind to.
+ * NULL-terminated array of addresses to bind to, NULL if we got pre-bound
+ * listen sockets.
*/
- struct sockaddr *addr;
+ struct sockaddr **addrs;
/**
* Name of our service.
struct GNUNET_SERVER_MessageHandler *my_handlers;
/**
- * Idle timeout for server.
+ * Array of the lengths of the entries in addrs.
*/
- struct GNUNET_TIME_Relative timeout;
+ socklen_t *addrlens;
+
+ /**
+ * NULL-terminated array of listen sockets we should take over.
+ */
+ struct GNUNET_NETWORK_Handle **lsocks;
/**
- * Maximum buffer size for the server.
+ * Idle timeout for server.
*/
- size_t maxbuf;
+ struct GNUNET_TIME_Relative timeout;
/**
* Overall success/failure of the service start.
int require_found;
/**
- * Can clients ask us to initiate a shutdown?
+ * 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).
*/
- int allow_shutdown;
+ int match_uid;
/**
- * Length of addr.
+ * Do we require a matching GID for UNIX domain socket connections?
+ * Ignored if "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.
*/
- socklen_t addrlen;
+ int match_gid;
+
+ /**
+ * Our options.
+ */
+ enum GNUNET_SERVICE_Options options;
};
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));
* @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);
}
-/**
- * Handler for SHUTDOWN message.
- *
- * @param cls closure (refers to service)
- * @param client identification of the client
- * @param message the actual message
- */
-static void
-handle_shutdown (void *cls,
- struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct GNUNET_SERVICE_Context *service = cls;
- if (!service->allow_shutdown)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _
- ("Received shutdown request, but configured to ignore!\n"));
- GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Initiating shutdown as requested by client.\n"));
- GNUNET_assert (service->sched != NULL);
- GNUNET_SCHEDULER_shutdown (service->sched);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-
-
/**
* Default handlers for all services. Will be copied and the
* "callback_cls" fields will be replaced with the specific service
static const struct GNUNET_SERVER_MessageHandler defhandlers[] = {
{&handle_test, NULL, GNUNET_MESSAGE_TYPE_TEST,
sizeof (struct GNUNET_MessageHeader)},
- {&handle_shutdown, NULL, GNUNET_MESSAGE_TYPE_SHUTDOWN,
- sizeof (struct GNUNET_MessageHeader)},
{NULL, NULL, 0, 0}
};
/**
* 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;
+#ifndef WINDOWS
+ case AF_UNIX:
+ ret = GNUNET_OK; /* always OK for now */
+ if (sctx->match_uid == GNUNET_YES)
{
- 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;
- default:
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Unknown address family %d\n"), addr->sa_family);
- return GNUNET_SYSERR;
+ /* UID match required */
+ ret = (uc != NULL) && (uc->uid == geteuid ());
}
- if (ret != GNUNET_OK)
+ else if (sctx->match_gid == GNUNET_YES)
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Access from `%s' denied to service `%s'\n"),
- GNUNET_a2s(addr, addrlen), sctx->serviceName);
+ /* group match required */
+ if (uc == NULL)
+ {
+ /* 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"),
+ (uc == NULL) ? -1 : uc->uid, (uc == NULL) ? -1 : uc->gid);
+ break;
+#endif
+ default:
+ LOG (GNUNET_ERROR_TYPE_WARNING, _("Unknown address family %d\n"),
+ addr->sa_family);
+ return GNUNET_SYSERR;
+ }
+ if (ret != GNUNET_OK)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Access from `%s' denied to service `%s'\n"), GNUNET_a2s (addr,
+ addrlen),
+ sctx->serviceName);
+ }
return ret;
}
char *pif;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (sctx->cfg,
- sctx->serviceName,
+ GNUNET_CONFIGURATION_get_value_filename (sctx->cfg, sctx->serviceName,
"PIDFILE", &pif))
return NULL;
return pif;
* Parse an IPv4 access control list.
*/
static int
-process_acl4 (struct IPv4NetworkSet **ret,
- struct GNUNET_SERVICE_Context *sctx, const char *option)
+process_acl4 (struct IPv4NetworkSet **ret, struct GNUNET_SERVICE_Context *sctx,
+ const char *option)
{
char *opt;
sctx->serviceName,
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;
- }
+ {
+ 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;
+ }
GNUNET_free (opt);
return GNUNET_OK;
}
* Parse an IPv4 access control list.
*/
static int
-process_acl6 (struct IPv6NetworkSet **ret,
- struct GNUNET_SERVICE_Context *sctx, const char *option)
+process_acl6 (struct IPv6NetworkSet **ret, struct GNUNET_SERVICE_Context *sctx,
+ const char *option)
{
char *opt;
+
if (!GNUNET_CONFIGURATION_have_value (sctx->cfg, sctx->serviceName, option))
return GNUNET_OK;
GNUNET_break (GNUNET_OK ==
sctx->serviceName,
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;
- }
+ {
+ 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;
+ }
GNUNET_free (opt);
return GNUNET_OK;
}
-
/**
- * Setup addr, addrlen, maxbuf, idle_timeout
- * based on configuration!
+ * Add the given UNIX domain path as an address to the
+ * list (as the first entry).
*
- * Configuration must specify a "PORT". It may
- * specify:
- * - TIMEOUT (after how many ms does an inactive service timeout);
- * - MAXBUF (maximum incoming message size supported)
- * - DISABLEV6 (disable support for IPv6, otherwise we use dual-stack)
- * - ALLOW_SHUTDOWN (allow clients to shutdown this service)
- * - BINDTO (hostname or IP address to bind to, otherwise we take everything)
- * - ACCEPT_FROM (only allow connections from specified IPv4 subnets)
- * - ACCEPT_FROM6 (only allow connections from specified IPv6 subnets)
- * - REJECT_FROM (disallow allow connections from specified IPv4 subnets)
- * - REJECT_FROM6 (disallow allow connections from specified IPv6 subnets)
+ * @param saddrs array to update
+ * @param saddrlens where to store the address length
+ * @param unixpath path to add
+ */
+static void
+add_unixpath (struct sockaddr **saddrs, socklen_t * saddrlens,
+ const char *unixpath)
+{
+#ifdef AF_UNIX
+ struct sockaddr_un *un;
+ size_t slen;
+
+ un = GNUNET_malloc (sizeof (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
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ un->sun_len = (u_char) slen;
+#endif
+ *saddrs = (struct sockaddr *) un;
+ *saddrlens = slen;
+#else
+ /* 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.
*
- * @return GNUNET_OK if configuration succeeded
+ * @param serviceName 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'
+ * array (on success)
+ * @return number of addresses found on success,
+ * 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
+ * set to NULL).
*/
-static int
-setup_service (struct GNUNET_SERVICE_Context *sctx)
+int
+GNUNET_SERVICE_get_server_addresses (const char *serviceName,
+ const struct GNUNET_CONFIGURATION_Handle
+ *cfg, struct sockaddr ***addrs,
+ socklen_t ** addr_lens)
{
- unsigned long long maxbuf;
- unsigned long long idleout;
- char *hostname;
- unsigned long long port;
int disablev6;
+ struct GNUNET_NETWORK_Handle *desc;
+ unsigned long long port;
+ char *unixpath;
struct addrinfo hints;
struct addrinfo *res;
struct addrinfo *pos;
+ struct addrinfo *next;
+ unsigned int i;
+ int resi;
int ret;
- int tolerant;
-
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "TIMEOUT"))
- {
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (sctx->cfg,
- sctx->serviceName,
- "TIMEOUT", &idleout))
- return GNUNET_SYSERR;
+ struct sockaddr **saddrs;
+ socklen_t *saddrlens;
+ char *hostname;
- sctx->timeout.value = idleout;
- }
+ *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;
+ }
else
- sctx->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "MAXBUF"))
+ disablev6 = GNUNET_NO;
+
+ if (!disablev6)
+ {
+ /* probe IPv6 support */
+ desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_STREAM, 0);
+ if (NULL == desc)
{
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (sctx->cfg,
- sctx->serviceName,
- "MAXBUF", &maxbuf))
+ if ((errno == ENOBUFS) || (errno == ENOMEM) || (errno == ENFILE) ||
+ (errno == EACCES))
+ {
+ 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"),
+ serviceName, STRERROR (errno));
+ disablev6 = GNUNET_YES;
}
- else
- maxbuf = GNUNET_SERVER_MAX_MESSAGE_SIZE;
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "DISABLEV6"))
+ else
{
- if (GNUNET_SYSERR ==
- (disablev6 = GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg,
- sctx->serviceName,
- "DISABLEV6")))
- return GNUNET_SYSERR;
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc));
+ desc = NULL;
}
- else
- disablev6 = GNUNET_NO;
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "ALLOW_SHUTDOWN"))
+ }
+
+ port = 0;
+ if (GNUNET_CONFIGURATION_have_value (cfg, serviceName, "PORT"))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg, serviceName,
+ "PORT", &port));
+ if (port > 65535)
{
- if (GNUNET_SYSERR ==
- (sctx->allow_shutdown =
- GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->serviceName,
- "ALLOW_SHUTDOWN")))
- return GNUNET_SYSERR;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Require valid port number for service `%s' in configuration!\n"),
+ serviceName);
+ return GNUNET_SYSERR;
}
+ }
+
+ if (GNUNET_CONFIGURATION_have_value (cfg, serviceName, "BINDTO"))
+ {
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, serviceName,
+ "BINDTO", &hostname));
+ }
else
- sctx->allow_shutdown = GNUNET_NO;
+ hostname = NULL;
- if (!disablev6)
+ unixpath = NULL;
+#ifdef AF_UNIX
+ if ((GNUNET_YES ==
+ GNUNET_CONFIGURATION_have_value (cfg, serviceName, "UNIXPATH")) &&
+ (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, serviceName, "UNIXPATH",
+ &unixpath)) &&
+ (0 < strlen (unixpath)))
+ {
+ /* probe UNIX support */
+ struct sockaddr_un s_un;
+
+ if (strlen (unixpath) >= sizeof (s_un.sun_path))
{
- /* probe IPv6 support */
- ret = SOCKET (PF_INET6, SOCK_STREAM, 0);
- if (ret == -1)
- {
- if ((errno == ENOBUFS) ||
- (errno == ENOMEM) || (errno == ENFILE) || (errno == EACCES))
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "socket");
- return GNUNET_SYSERR;
- }
- ret = SOCKET (PF_INET, SOCK_STREAM, 0);
- if (ret != -1)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Disabling IPv6 support for service `%s', failed to create IPv6 socket: %s\n"),
- sctx->serviceName, strerror (errno));
- disablev6 = GNUNET_YES;
- }
- }
- if (ret != -1)
- GNUNET_break (0 == CLOSE (ret));
+ 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;
}
-
-
- if (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "TOLERANT"))
+ desc = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0);
+ if (NULL == desc)
{
- if (GNUNET_SYSERR ==
- (tolerant = GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg,
- sctx->serviceName,
- "TOLERANT")))
+ if ((errno == ENOBUFS) || (errno == ENOMEM) || (errno == ENFILE) ||
+ (errno == EACCES))
+ {
+ LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "socket");
+ GNUNET_free_non_null (hostname);
+ GNUNET_free (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"),
+ serviceName, STRERROR (errno));
+ GNUNET_free (unixpath);
+ unixpath = NULL;
}
- else
- tolerant = GNUNET_NO;
- sctx->require_found = tolerant ? GNUNET_NO : GNUNET_YES;
+ else
+ {
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc));
+ desc = NULL;
+ }
+ }
+#endif
+ if ((port == 0) && (unixpath == NULL))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("Have neither PORT nor UNIXPATH for service `%s', but one is required\n"),
+ serviceName);
+ GNUNET_free_non_null (hostname);
+ return GNUNET_SYSERR;
+ }
+ if (port == 0)
+ {
+ saddrs = GNUNET_malloc (2 * sizeof (struct sockaddr *));
+ saddrlens = GNUNET_malloc (2 * sizeof (socklen_t));
+ add_unixpath (saddrs, saddrlens, unixpath);
+ GNUNET_free_non_null (unixpath);
+ GNUNET_free_non_null (hostname);
+ *addrs = saddrs;
+ *addr_lens = saddrlens;
+ return 1;
+ }
- if ((GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (sctx->cfg,
- sctx->serviceName,
- "PORT",
- &port)) || (port > 65535))
+ if (hostname != NULL)
+ {
+#if DEBUG_SERVICE
+ 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,
- _
- ("Require valid port number for service `%s' in configuration!\n"),
- sctx->serviceName);
+ 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 (GNUNET_CONFIGURATION_have_value (sctx->cfg,
- sctx->serviceName, "BINDTO"))
+ next = res;
+ i = 0;
+ while (NULL != (pos = next))
{
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (sctx->cfg,
- sctx->serviceName,
- "BINDTO",
- &hostname));
+ next = pos->ai_next;
+ if ((disablev6) && (pos->ai_family == AF_INET6))
+ continue;
+ i++;
}
- else
- hostname = NULL;
-
- if (hostname != NULL)
+ if (0 == i)
{
- 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);
- return GNUNET_SYSERR;
- }
- pos = res;
- while ((NULL != pos) &&
- (((disablev6) &&
- (pos->ai_family != AF_INET)) ||
- ((pos->ai_family != AF_INET) && (pos->ai_family != AF_INET6))))
- pos = pos->ai_next;
- if (pos == NULL)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to find IPv4 address for `%s'.\n"), hostname);
- freeaddrinfo (res);
- GNUNET_free (hostname);
- return GNUNET_SYSERR;
- }
+ 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);
+ return GNUNET_SYSERR;
+ }
+ 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)
+ {
+ 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 ((pos->ai_protocol != IPPROTO_TCP) && (pos->ai_protocol != 0))
+ continue; /* not TCP */
+ if ((pos->ai_socktype != SOCK_STREAM) && (pos->ai_socktype != 0))
+ continue; /* huh? */
+#if DEBUG_SERVICE
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Service `%s' will bind to `%s'\n",
+ serviceName, GNUNET_a2s (pos->ai_addr, pos->ai_addrlen));
+#endif
if (pos->ai_family == AF_INET)
- {
- GNUNET_assert (pos->ai_addrlen == sizeof (struct sockaddr_in));
- sctx->addrlen = pos->ai_addrlen;
- sctx->addr = GNUNET_malloc (sctx->addrlen);
- memcpy (sctx->addr, res->ai_addr, sctx->addrlen);
- ((struct sockaddr_in *) sctx->addr)->sin_port = htons (port);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Configured to bind to %s address; %s connections to this service will fail!\n"),
- "IPv4", "IPv6");
- }
+ {
+ 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));
- sctx->addrlen = pos->ai_addrlen;
- sctx->addr = GNUNET_malloc (sctx->addrlen);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Configured to bind to %s address; %s connections to this service will fail!\n"),
- "IPv6", "IPv4");
- ((struct sockaddr_in6 *) sctx->addr)->sin6_port = htons (port);
- }
- freeaddrinfo (res);
+ {
+ 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);
+ resi = i;
+ }
else
+ {
+ /* will bind against everything, just set port */
+ if (disablev6)
{
- /* will bind against everything, just set port */
- if (disablev6)
- {
- /* V4-only */
- sctx->addrlen = sizeof (struct sockaddr_in6);
- sctx->addr = GNUNET_malloc (sctx->addrlen);
- ((struct sockaddr_in *) sctx->addr)->sin_family = AF_INET;
- ((struct sockaddr_in *) sctx->addr)->sin_port = htons (port);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _
- ("Configured to bind to %s address; %s connections to this service will fail!\n"),
- "IPv4", "IPv6");
- }
- else
- {
- /* dual stack */
- sctx->addrlen = sizeof (struct sockaddr_in6);
- sctx->addr = GNUNET_malloc (sctx->addrlen);
- ((struct sockaddr_in6 *) sctx->addr)->sin6_family = AF_INET6;
- ((struct sockaddr_in6 *) sctx->addr)->sin6_port = htons (port);
- }
+ /* 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]);
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ ((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]);
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ ((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);
+ }
+ }
+ GNUNET_free_non_null (unixpath);
+ *addrs = saddrs;
+ *addr_lens = saddrlens;
+ return resi;
+}
+
+
+#ifdef MINGW
+/**
+ * @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, i;
+ HANDLE lsocks_pipe;
+
+ env_buf = getenv ("GNUNET_OS_READ_LSOCKS");
+ if ((env_buf == NULL) || (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 (lsocks_pipe == 0 || lsocks_pipe == INVALID_HANDLE_VALUE)
+ return GNUNET_NO;
+
+ fail = 1;
+ do
+ {
+ int ret;
+ int fail2;
+ DWORD rd;
+
+ ret = ReadFile (lsocks_pipe, &count, sizeof (count), &rd, NULL);
+ if (ret == 0 || rd != sizeof (count) || count == 0)
+ 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 (ret == 0 || rd != sizeof (size) || size != sizeof (pi))
+ break;
+ ret = ReadFile (lsocks_pipe, &pi, sizeof (pi), &rd, NULL);
+ if (ret == 0 || rd != sizeof (pi))
+ break;
+ s = WSASocketA (pi.iAddressFamily, pi.iSocketType, pi.iProtocol, &pi, 0, WSA_FLAG_OVERLAPPED);
+ sctx->lsocks[i] = GNUNET_NETWORK_socket_box_native (s);
+ if (sctx->lsocks[i] == NULL)
+ break;
+ else if (i == count - 1)
+ fail2 = 0;
}
- sctx->maxbuf = (size_t) maxbuf;
- if (sctx->maxbuf != maxbuf)
+ 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 && sctx->lsocks[i] != NULL; 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!
+ *
+ * Configuration may specify:
+ * - PORT (where to bind to for TCP)
+ * - UNIXPATH (where to bind to for UNIX domain sockets)
+ * - TIMEOUT (after how many ms does an inactive service timeout);
+ * - DISABLEV6 (disable support for IPv6, otherwise we use dual-stack)
+ * - BINDTO (hostname or IP address to bind to, otherwise we take everything)
+ * - ACCEPT_FROM (only allow connections from specified IPv4 subnets)
+ * - ACCEPT_FROM6 (only allow connections from specified IPv6 subnets)
+ * - REJECT_FROM (disallow allow connections from specified IPv4 subnets)
+ * - REJECT_FROM6 (disallow allow connections from specified IPv6 subnets)
+ *
+ * @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_OK !=
+ GNUNET_CONFIGURATION_get_value_time (sctx->cfg, sctx->serviceName,
+ "TIMEOUT", &idleout))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Value in configuration for `%s' and service `%s' too large!\n"),
- "MAXBUF", sctx->serviceName);
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Specified value for `%s' of service `%s' is invalid\n"),
+ "TIMEOUT", sctx->serviceName);
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_SYSERR ==
+ (tolerant =
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->serviceName,
+ "TOLERANT")))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Specified value for `%s' of service `%s' is invalid\n"),
+ "TOLERANT", sctx->serviceName);
+ return GNUNET_SYSERR;
+ }
+ }
+ else
+ tolerant = GNUNET_NO;
- if ((GNUNET_OK !=
- process_acl4 (&sctx->v4_denied,
- sctx,
- "REJECT_FROM")) ||
- (GNUNET_OK !=
- process_acl4 (&sctx->v4_allowed,
- sctx,
- "ACCEPT_FROM")) ||
- (GNUNET_OK !=
- process_acl6 (&sctx->v6_denied,
- sctx,
- "REJECT_FROM6")) ||
- (GNUNET_OK != process_acl6 (&sctx->v6_allowed, sctx, "ACCEPT_FROM6")))
+#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))
+ {
+ 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))))
+ {
+ 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");
+ }
+#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)))
return GNUNET_SYSERR;
+ sctx->require_found = tolerant ? GNUNET_NO : GNUNET_YES;
+ sctx->match_uid =
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->serviceName,
+ "UNIX_MATCH_UID");
+ sctx->match_gid =
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->serviceName,
+ "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");
+ process_acl6 (&sctx->v6_allowed, sctx, "ACCEPT_FROM6");
+
return GNUNET_OK;
}
char *un;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (sctx->cfg,
- sctx->serviceName,
+ GNUNET_CONFIGURATION_get_value_filename (sctx->cfg, sctx->serviceName,
"USERNAME", &un))
return NULL;
return un;
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! */
+ GNUNET_DISK_directory_create (rdir);
+ if ((user != NULL) && (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;
- }
+ {
+ 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));
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fprintf", pif);
+ GNUNET_break (0 == FCLOSE (pidfd));
if ((user != NULL) && (0 < strlen (user)))
GNUNET_DISK_file_change_owner (pif, user);
GNUNET_free_non_null (user);
}
+/**
+ * Task run during shutdown.
+ *
+ * @param cls unused
+ * @param tc unused
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_SERVER_Handle *server = cls;
+
+ GNUNET_SERVER_destroy (server);
+}
+
+
/**
* Initial task for the service.
*/
struct GNUNET_SERVICE_Context *sctx = cls;
unsigned int i;
- sctx->sched = tc->sched;
- sctx->server = GNUNET_SERVER_create (tc->sched,
- &check_access,
- sctx,
- sctx->addr,
- sctx->addrlen,
- sctx->maxbuf,
- sctx->timeout, sctx->require_found);
+ GNUNET_RESOLVER_connect (sctx->cfg);
+ if (sctx->lsocks != NULL)
+ 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)
{
- sctx->ret = GNUNET_SYSERR;
- return;
+ i = 0;
+ while (sctx->addrs[i] != NULL)
+ {
+ 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;
+ }
+ 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);
+ }
sctx->my_handlers = GNUNET_malloc (sizeof (defhandlers));
memcpy (sctx->my_handlers, defhandlers, sizeof (defhandlers));
i = 0;
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)
+ {
+ i = 0;
+ while (sctx->addrs[i] != NULL)
{
- 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 ());
+ LOG (GNUNET_ERROR_TYPE_INFO, _("Service `%s' runs at %s\n"),
+ sctx->serviceName, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
+ i++;
}
-
- sctx->task (sctx->task_cls, tc->sched, sctx->server, sctx->cfg);
+ }
+ sctx->task (sctx->task_cls, sctx->server, sctx->cfg);
}
static int
detach_terminal (struct GNUNET_SERVICE_Context *sctx)
{
+#ifndef MINGW
pid_t pid;
int nullfd;
int filedes[2];
-#ifndef MINGW
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)
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "fork");
- return GNUNET_SYSERR;
- }
+ {
+ 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)))
+ LOG_STRERROR (GNUNET_ERROR_TYPE_WARNING, "read");
+ fflush (stdout);
+ switch (c)
{
- /* 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]));
- nullfd = GNUNET_DISK_file_open ("/dev/null", O_RDWR | O_APPEND);
+ nullfd = OPEN ("/dev/null", O_RDWR | O_APPEND);
if (nullfd < 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");
- 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");
+ 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;
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;
- }
+ {
+ 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;
pid_file_delete (struct GNUNET_SERVICE_Context *sctx)
{
char *pif = get_pid_file_name (sctx);
+
if (pif == NULL)
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);
}
+
/**
* Run a standard GNUnet service startup sequence (initialize loggers
* and configuration, parse options).
* @param argc number of command line arguments
* @param argv command line arguments
* @param serviceName our service name
+ * @param opt service options
* @param task main task of the service
* @param task_cls closure for task
- * @param term termination task of the service
- * @param term_cls closure for term
* @return GNUNET_SYSERR on error, GNUNET_OK
* if we shutdown nicely
*/
int
-GNUNET_SERVICE_run (int argc,
- char *const *argv,
- const char *serviceName,
- GNUNET_SERVICE_Main task,
- void *task_cls, GNUNET_SERVICE_Term term, void *term_cls)
+GNUNET_SERVICE_run (int argc, char *const *argv, const char *serviceName,
+ enum GNUNET_SERVICE_Options opt, GNUNET_SERVICE_Main task,
+ void *task_cls)
{
+#define HANDLE_ERROR do { GNUNET_break (0); goto shutdown; } while (0)
+
+ int err;
char *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;
+
struct GNUNET_GETOPT_CommandLineOption service_options[] = {
GNUNET_GETOPT_OPTION_CFG_FILE (&cfg_fn),
{'d', "daemonize", NULL,
GNUNET_GETOPT_OPTION_VERSION (PACKAGE_VERSION),
GNUNET_GETOPT_OPTION_END
};
+ err = 1;
do_daemonize = 0;
logfile = NULL;
- loglev = GNUNET_strdup ("WARNING");
- cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_DAEMON_CONFIG_FILE);
+ loglev = NULL;
+ cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_USER_CONFIG_FILE);
memset (&sctx, 0, sizeof (sctx));
+ sctx.options = opt;
sctx.ready_confirm_fd = -1;
sctx.ret = GNUNET_OK;
sctx.timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- sctx.maxbuf = GNUNET_SERVER_MAX_MESSAGE_SIZE;
sctx.task = task;
+ sctx.task_cls = task_cls;
sctx.serviceName = serviceName;
- sctx.cfg = GNUNET_CONFIGURATION_create ();
+ sctx.cfg = cfg = GNUNET_CONFIGURATION_create ();
/* setup subsystems */
- if ((GNUNET_SYSERR ==
- GNUNET_GETOPT_run (serviceName,
- sctx.cfg,
- service_options,
- argc,
- argv)) ||
- (GNUNET_OK !=
- GNUNET_log_setup (serviceName, loglev, logfile)) ||
- (GNUNET_OK !=
- GNUNET_CONFIGURATION_load (sctx.cfg, cfg_fn)) ||
- (GNUNET_OK !=
- setup_service (&sctx)) ||
- ((do_daemonize == 1) &&
- (GNUNET_OK != detach_terminal (&sctx))) ||
- (GNUNET_OK != set_user_id (&sctx)))
- {
- if (sctx.ready_confirm_fd != -1)
- {
- if (1 != WRITE (sctx.ready_confirm_fd, "I", 1))
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "write");
- GNUNET_break (0 == CLOSE (sctx.ready_confirm_fd));
- }
- GNUNET_CONFIGURATION_destroy (sctx.cfg);
- GNUNET_free_non_null (sctx.addr);
- GNUNET_free_non_null (logfile);
- GNUNET_free (loglev);
- GNUNET_free (cfg_fn);
- GNUNET_free_non_null (sctx.v4_denied);
- GNUNET_free_non_null (sctx.v6_denied);
- GNUNET_free_non_null (sctx.v4_allowed);
- GNUNET_free_non_null (sctx.v6_allowed);
- return GNUNET_SYSERR;
- }
-
+ if (GNUNET_SYSERR ==
+ GNUNET_GETOPT_run (serviceName, service_options, argc, argv))
+ goto shutdown;
+ if (GNUNET_OK != GNUNET_log_setup (serviceName, loglev, logfile))
+ HANDLE_ERROR;
+ if (GNUNET_OK != GNUNET_CONFIGURATION_load (cfg, cfg_fn))
+ goto shutdown;
+ if (GNUNET_OK != setup_service (&sctx))
+ goto shutdown;
+ if ((do_daemonize == 1) && (GNUNET_OK != detach_terminal (&sctx)))
+ HANDLE_ERROR;
+ if (GNUNET_OK != set_user_id (&sctx))
+ goto shutdown;
+#if DEBUG_SERVICE
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Service `%s' runs with configuration from `%s'\n", serviceName, cfg_fn);
+#endif
+ 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);
+#if DEBUG_SERVICE
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Skewing clock by %dll ms\n", clock_offset);
+#endif
+ }
/* actually run service */
+ err = 0;
GNUNET_SCHEDULER_run (&service_task, &sctx);
- if (sctx.ready_confirm_fd != -1)
- {
- if (1 != WRITE (sctx.ready_confirm_fd, "S", 1))
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "write");
- GNUNET_break (0 == CLOSE (sctx.ready_confirm_fd));
- }
/* shutdown */
- if (term != NULL)
- term (term_cls, sctx.cfg);
if ((do_daemonize == 1) && (sctx.server != NULL))
pid_file_delete (&sctx);
- if (sctx.server != NULL)
- GNUNET_SERVER_destroy (sctx.server);
GNUNET_free_non_null (sctx.my_handlers);
- GNUNET_CONFIGURATION_destroy (sctx.cfg);
- GNUNET_free_non_null (sctx.addr);
+
+shutdown:
+ if (sctx.ready_confirm_fd != -1)
+ {
+ 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));
+ }
+
+ GNUNET_CONFIGURATION_destroy (cfg);
+ i = 0;
+ if (sctx.addrs != NULL)
+ while (sctx.addrs[i] != NULL)
+ 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 (sctx.v4_denied);
GNUNET_free_non_null (sctx.v6_denied);
GNUNET_free_non_null (sctx.v4_allowed);
GNUNET_free_non_null (sctx.v6_allowed);
- return sctx.ret;
+
+ return err ? GNUNET_SYSERR : sctx.ret;
}
* initialized system.
*
* @param serviceName our service name
- * @param sched scheduler to use
* @param cfg configuration to use
* @return NULL on error, service handle
*/
struct GNUNET_SERVICE_Context *
GNUNET_SERVICE_start (const char *serviceName,
- struct GNUNET_SCHEDULER_Handle *sched,
- struct GNUNET_CONFIGURATION_Handle *cfg)
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
{
int i;
struct GNUNET_SERVICE_Context *sctx;
sctx->ready_confirm_fd = -1; /* no daemonizing */
sctx->ret = GNUNET_OK;
sctx->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- sctx->maxbuf = GNUNET_SERVER_MAX_MESSAGE_SIZE;
sctx->serviceName = serviceName;
sctx->cfg = cfg;
- sctx->sched = sched;
/* setup subsystems */
- if ((GNUNET_OK != setup_service (sctx)) ||
- (NULL == (sctx->server = GNUNET_SERVER_create (sched,
- &check_access,
- sctx,
- sctx->addr,
- sctx->addrlen,
- sctx->maxbuf,
- sctx->timeout,
- sctx->require_found))))
- {
- GNUNET_SERVICE_stop (sctx);
- return NULL;
- }
+ 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);
+ else
+ 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;
+ }
sctx->my_handlers = GNUNET_malloc (sizeof (defhandlers));
memcpy (sctx->my_handlers, defhandlers, sizeof (defhandlers));
i = 0;
while ((sctx->my_handlers[i].callback != NULL))
sctx->my_handlers[i++].callback_cls = sctx;
GNUNET_SERVER_add_handlers (sctx->server, sctx->my_handlers);
-
-
return sctx;
}
/**
* Stop a service that was started with "GNUNET_SERVICE_start".
*
- * @param ctx the service context returned from the start function
+ * @param sctx the service context returned from the start function
*/
void
GNUNET_SERVICE_stop (struct GNUNET_SERVICE_Context *sctx)
{
+ unsigned int i;
+
if (NULL != sctx->server)
GNUNET_SERVER_destroy (sctx->server);
GNUNET_free_non_null (sctx->my_handlers);
- GNUNET_free_non_null (sctx->addr);
+ if (sctx->addrs != NULL)
+ {
+ i = 0;
+ while (sctx->addrs[i] != NULL)
+ 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);
GNUNET_free_non_null (sctx->v4_allowed);
projects / oweals / gnunet.git / blobdiff