/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ (C) 2009, 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
#include "gnunet_server_lib.h"
#include "gnunet_service_lib.h"
+#if HAVE_MALLINFO
+#include <malloc.h>
+#include "gauger.h"
+#endif
+
+
#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 ******************** */
*/
struct IPv4NetworkSet
{
+ /**
+ * IPv4 address.
+ */
struct in_addr network;
+
+ /**
+ * IPv4 netmask.
+ */
struct in_addr netmask;
};
/**
+
* @brief network in CIDR notation for IPV6.
*/
struct IPv6NetworkSet
{
+ /**
+ * IPv6 address.
+ */
struct in6_addr network;
+
+ /**
+ * IPv6 netmask.
+ */
struct in6_addr netmask;
};
+int
+GNUNET_SPEEDUP_start_ (const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+int
+GNUNET_SPEEDUP_stop_ (void);
+
+
/**
* Parse a network specification. The argument specifies
* a list of networks. The format is
* 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
*/
int slash;
struct IPv4NetworkSet *result;
- if (routeList == NULL)
+ if (NULL == routeList)
return NULL;
len = strlen (routeList);
- if (len == 0)
+ if (0 == len)
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],
+ 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)
+ if (8 == cnt)
{
for (j = 0; j < 8; j++)
if (temps[j] > 0xFF)
}
/* try second notation */
cnt =
- sscanf (&routeList[pos], "%u.%u.%u.%u/%u;", &temps[0], &temps[1],
+ SSCANF (&routeList[pos], "%u.%u.%u.%u/%u;", &temps[0], &temps[1],
&temps[2], &temps[3], &slash);
- if (cnt == 5)
+ if (5 == cnt)
{
for (j = 0; j < 4; j++)
if (temps[j] > 0xFF)
slash--;
}
result[i].netmask.s_addr = htonl (result[i].netmask.s_addr);
- while (routeList[pos] != ';')
+ while (';' != routeList[pos])
pos++;
pos++;
i++;
/* try third notation */
slash = 32;
cnt =
- sscanf (&routeList[pos], "%u.%u.%u.%u;", &temps[0], &temps[1],
+ SSCANF (&routeList[pos], "%u.%u.%u.%u;", &temps[0], &temps[1],
&temps[2], &temps[3]);
- if (cnt == 4)
+ if (4 == cnt)
{
for (j = 0; j < 4; j++)
if (temps[j] > 0xFF)
* 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
*/
unsigned int off;
int save;
- if (routeListX == NULL)
+ if (NULL == routeListX)
return NULL;
len = strlen (routeListX);
- if (len == 0)
+ if (0 == len)
return NULL;
routeList = GNUNET_strdup (routeListX);
count = 0;
for (i = 0; i < len; i++)
- if (routeList[i] == ';')
+ if (';' == routeList[i])
count++;
- if (routeList[len - 1] != ';')
+ if (';' != routeList[len - 1])
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Invalid network notation (does not end with ';': `%s')\n"),
}
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] != ';')
+ while (';' != routeList[pos])
pos++;
slash = pos;
while ((slash >= start) && (routeList[slash] != '/'))
save = errno;
if ((1 != SSCANF (&routeList[slash + 1], "%u", &bits)) || (bits >= 128))
{
- if (ret == 0)
+ if (0 == ret)
LOG (GNUNET_ERROR_TYPE_ERROR, _("Wrong format `%s' for netmask\n"),
&routeList[slash + 1]);
else
ret = inet_pton (AF_INET6, &routeList[start], &result[i].network);
if (ret <= 0)
{
- if (ret == 0)
+ if (0 == ret)
LOG (GNUNET_ERROR_TYPE_ERROR, _("Wrong format `%s' for network\n"),
&routeList[slash + 1]);
else
static int
check_ipv4_listed (const struct IPv4NetworkSet *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) ==
return GNUNET_NO;
}
+
/**
* Check if the given IP address is in the list of IP addresses.
*
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)
+ 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])) !=
/**
* Name of our service.
*/
- const char *serviceName;
+ const char *service_name;
/**
* Main service-specific task to run.
*/
struct GNUNET_NETWORK_Handle **lsocks;
+ /**
+ * Task ID of the shutdown task.
+ */
+ GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+
/**
* Idle timeout for server.
*/
int require_found;
/**
- * Do we require a matching UID for UNIX domain socket
- * connections?
+ * 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 match_uid;
/**
- * Do we require a matching GID for UNIX domain socket
- * connections?
+ * 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.
*/
int match_gid;
/* ****************** 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)
{
return sizeof (struct GNUNET_MessageHeader);
}
+
/**
* Handler for TEST message.
*
};
-
/* ****************** service core routines ************** */
case AF_INET:
GNUNET_assert (addrlen == sizeof (struct sockaddr_in));
i4 = (const struct sockaddr_in *) addr;
- ret = ((sctx->v4_allowed == NULL) ||
+ ret = ((NULL == sctx->v4_allowed) ||
(check_ipv4_listed (sctx->v4_allowed, &i4->sin_addr))) &&
- ((sctx->v4_denied == NULL) ||
+ ((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 = ((sctx->v6_allowed == NULL) ||
+ ret = ((NULL == sctx->v6_allowed) ||
(check_ipv6_listed (sctx->v6_allowed, &i6->sin6_addr))) &&
- ((sctx->v6_denied == NULL) ||
+ ((NULL == sctx->v6_denied) ||
(!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) || (sctx->match_gid == GNUNET_YES))
- ret = GNUNET_NO;
- if ((uc != NULL) &&
- ((sctx->match_uid != GNUNET_YES) || (uc->uid == geteuid ()) ||
- (uc->uid == getuid ())) && ((sctx->match_gid != GNUNET_YES) ||
- (uc->gid == getegid ()) ||
- (uc->gid == getgid ())))
- ret = GNUNET_YES;
- else
+ if (GNUNET_YES == sctx->match_uid)
+ {
+ /* UID match required */
+ ret = (NULL != uc) && ( (0 == uc->uid) || (uc->uid == geteuid ()) );
+ }
+ else if ( (GNUNET_YES == sctx->match_gid) &&
+ ( (NULL == uc) ||
+ ( (0 != uc->uid) &&
+ (uc->uid != geteuid ()) ) ) )
+ {
+ /* group match required and UID does not match */
+ if (NULL == uc)
+ {
+ /* no credentials, group match not possible */
+ ret = GNUNET_NO;
+ }
+ else
+ {
+ struct group *grp;
+ unsigned int i;
+
+ if (uc->gid != getegid())
+ {
+ /* default group did not match, but maybe the user is in our group, let's check */
+ grp = getgrgid (getegid ());
+ if (NULL == grp)
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "getgrgid");
+ return GNUNET_NO;
+ }
+ ret = GNUNET_NO;
+ for (i=0; NULL != grp->gr_mem[i]; i++)
+ {
+ struct passwd *nam = getpwnam (grp->gr_mem[i]);
+ if (NULL == nam)
+ continue; /* name in group that is not in user DB !? */
+ if (nam->pw_uid == uc->uid)
+ {
+ /* yes, uid is in our group, allow! */
+ ret = GNUNET_YES;
+ break;
+ }
+ }
+ }
+ }
+ }
+ if (GNUNET_NO == ret)
LOG (GNUNET_ERROR_TYPE_WARNING, _("Access denied to UID %d / GID %d\n"),
- (uc == NULL) ? -1 : uc->uid, (uc == NULL) ? -1 : uc->gid);
+ (NULL == uc) ? -1 : uc->uid, (NULL == uc) ? -1 : uc->gid);
break;
#endif
default:
addr->sa_family);
return GNUNET_SYSERR;
}
- if (ret != GNUNET_OK)
+ if (GNUNET_OK != ret)
{
LOG (GNUNET_ERROR_TYPE_WARNING,
- _("Access from `%s' denied to service `%s'\n"), GNUNET_a2s (addr,
- addrlen),
- sctx->serviceName);
+ _("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,
{
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)))
{
LOG (GNUNET_ERROR_TYPE_WARNING,
_("Could not parse IPv4 network specification `%s' for `%s:%s'\n"),
- opt, sctx->serviceName, option);
+ opt, sctx->service_name, option);
GNUNET_free (opt);
return GNUNET_SYSERR;
}
/**
- * 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,
{
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)))
{
LOG (GNUNET_ERROR_TYPE_WARNING,
_("Could not parse IPv6 network specification `%s' for `%s:%s'\n"),
- opt, sctx->serviceName, option);
+ opt, sctx->service_name, option);
GNUNET_free (opt);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
+
/**
* Add the given UNIX domain path as an address to the
* list (as the first entry).
* 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
* set to NULL).
*/
int
-GNUNET_SERVICE_get_server_addresses (const char *serviceName,
+GNUNET_SERVICE_get_server_addresses (const char *service_name,
const struct GNUNET_CONFIGURATION_Handle
*cfg, struct sockaddr ***addrs,
socklen_t ** addr_lens)
*addrs = NULL;
*addr_lens = NULL;
desc = NULL;
- if (GNUNET_CONFIGURATION_have_value (cfg, serviceName, "DISABLEV6"))
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "DISABLEV6"))
{
if (GNUNET_SYSERR ==
(disablev6 =
- GNUNET_CONFIGURATION_get_value_yesno (cfg, serviceName, "DISABLEV6")))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, service_name, "DISABLEV6")))
return GNUNET_SYSERR;
}
else
desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_STREAM, 0);
if (NULL == desc)
{
- if ((errno == ENOBUFS) || (errno == ENOMEM) || (errno == ENFILE) ||
- (errno == EACCES))
+ 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"),
- serviceName, STRERROR (errno));
+ service_name, STRERROR (errno));
disablev6 = GNUNET_YES;
}
else
}
port = 0;
- if (GNUNET_CONFIGURATION_have_value (cfg, serviceName, "PORT"))
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "PORT"))
{
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_number (cfg, serviceName,
- "PORT", &port));
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, service_name,
+ "PORT", &port))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Require valid port number for service `%s' in configuration!\n"),
+ service_name);
+ }
if (port > 65535)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Require valid port number for service `%s' in configuration!\n"),
- serviceName);
+ service_name);
return GNUNET_SYSERR;
}
}
- if (GNUNET_CONFIGURATION_have_value (cfg, serviceName, "BINDTO"))
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "BINDTO"))
{
GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg, serviceName,
+ GNUNET_CONFIGURATION_get_value_string (cfg, service_name,
"BINDTO", &hostname));
}
else
unixpath = NULL;
#ifdef AF_UNIX
if ((GNUNET_YES ==
- GNUNET_CONFIGURATION_have_value (cfg, serviceName, "UNIXPATH")) &&
+ GNUNET_CONFIGURATION_have_value (cfg, service_name, "UNIXPATH")) &&
(GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg, serviceName, "UNIXPATH",
+ GNUNET_CONFIGURATION_get_value_string (cfg, service_name, "UNIXPATH",
&unixpath)) &&
(0 < strlen (unixpath)))
{
{
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;
- }
+ (unsigned long long) sizeof (s_un.sun_path));
+ unixpath = GNUNET_NETWORK_shorten_unixpath (unixpath);
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Using `%s' instead\n"), unixpath);
+ }
+ }
+ if (NULL != unixpath)
+ {
desc = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0);
if (NULL == desc)
{
- if ((errno == ENOBUFS) || (errno == ENOMEM) || (errno == ENFILE) ||
- (errno == EACCES))
+ if ((ENOBUFS == errno) || (ENOMEM == errno) || (ENFILE == errno) ||
+ (EACCES == errno))
{
LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "socket");
GNUNET_free_non_null (hostname);
LOG (GNUNET_ERROR_TYPE_INFO,
_
("Disabling UNIX domain socket support for service `%s', failed to create UNIX domain socket: %s\n"),
- serviceName, STRERROR (errno));
+ service_name, STRERROR (errno));
GNUNET_free (unixpath);
unixpath = 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"),
- serviceName);
+ service_name);
GNUNET_free_non_null (hostname);
return GNUNET_SYSERR;
}
- if (port == 0)
+ if (0 == port)
{
saddrs = GNUNET_malloc (2 * sizeof (struct sockaddr *));
saddrlens = GNUNET_malloc (2 * sizeof (socklen_t));
return 1;
}
- if (hostname != NULL)
+ if (NULL != hostname)
{
-#if DEBUG_SERVICE
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Resolving `%s' since that is where `%s' will bind to.\n", hostname,
- serviceName);
-#endif
+ 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))) ||
(res == NULL))
{
while (NULL != (pos = next))
{
next = pos->ai_next;
- if ((disablev6) && (pos->ai_family == AF_INET6))
+ if ((disablev6) && (AF_INET6 == pos->ai_family))
continue;
- if ((pos->ai_protocol != IPPROTO_TCP) && (pos->ai_protocol != 0))
+ if ((IPPROTO_TCP != pos->ai_protocol) && (0 != pos->ai_protocol))
continue; /* not TCP */
- if ((pos->ai_socktype != SOCK_STREAM) && (pos->ai_socktype != 0))
+ if ((SOCK_STREAM != pos->ai_socktype) && (0 != pos->ai_socktype))
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)
+ service_name, GNUNET_a2s (pos->ai_addr, pos->ai_addrlen));
+ if (AF_INET == pos->ai_family)
{
- GNUNET_assert (pos->ai_addrlen == sizeof (struct sockaddr_in));
+ GNUNET_assert (sizeof (struct sockaddr_in) == pos->ai_addrlen);
saddrlens[i] = pos->ai_addrlen;
saddrs[i] = GNUNET_malloc (saddrlens[i]);
memcpy (saddrs[i], pos->ai_addr, saddrlens[i]);
}
else
{
- GNUNET_assert (pos->ai_family == AF_INET6);
- GNUNET_assert (pos->ai_addrlen == sizeof (struct sockaddr_in6));
+ 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]);
memcpy (saddrs[i], pos->ai_addr, saddrlens[i]);
#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.
*/
{
const char *env_buf;
int fail;
- uint64_t count, i;
+ uint64_t count;
+ uint64_t i;
HANDLE lsocks_pipe;
env_buf = getenv ("GNUNET_OS_READ_LSOCKS");
- if ((env_buf == NULL) || (strlen (env_buf) <= 0))
- {
+ 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 (lsocks_pipe == 0 || lsocks_pipe == INVALID_HANDLE_VALUE)
+ if ( (0 == lsocks_pipe) || (INVALID_HANDLE_VALUE == lsocks_pipe))
return GNUNET_NO;
-
fail = 1;
do
{
DWORD rd;
ret = ReadFile (lsocks_pipe, &count, sizeof (count), &rd, NULL);
- if (ret == 0 || rd != sizeof (count) || count == 0)
+ if ((0 == ret) || (sizeof (count) != rd) || (0 == count))
break;
sctx->lsocks =
GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle *) * (count + 1));
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))
+ if ( (0 == ret) || (sizeof (size) != rd) || (sizeof (pi) != size) )
break;
ret = ReadFile (lsocks_pipe, &pi, sizeof (pi), &rd, NULL);
- if (ret == 0 || rd != sizeof (pi))
+ 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 (sctx->lsocks[i] == NULL)
+ if (NULL == sctx->lsocks[i])
break;
else if (i == count - 1)
fail2 = 0;
{
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++)
+ for (i = 0; (i < count) && (NULL != sctx->lsocks[i]); i++)
GNUNET_break (0 == GNUNET_NETWORK_socket_close (sctx->lsocks[i]));
- GNUNET_free (sctx->lsocks);
+ GNUNET_free_non_null (sctx->lsocks);
sctx->lsocks = NULL;
return GNUNET_NO;
}
-
return GNUNET_YES;
}
#endif
* - REJECT_FROM (disallow allow connections from specified IPv4 subnets)
* - REJECT_FROM6 (disallow allow connections from specified IPv6 subnets)
*
+ * @param sctx service context to initialize
* @return GNUNET_OK if configuration succeeded
*/
static int
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->serviceName,
+ GNUNET_CONFIGURATION_get_value_time (sctx->cfg, sctx->service_name,
"TIMEOUT", &idleout))
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Specified value for `%s' of service `%s' is invalid\n"),
- "TIMEOUT", sctx->serviceName);
+ "TIMEOUT", sctx->service_name);
return GNUNET_SYSERR;
}
sctx->timeout = idleout;
sctx->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
if (GNUNET_CONFIGURATION_have_value
- (sctx->cfg, sctx->serviceName, "TOLERANT"))
+ (sctx->cfg, sctx->service_name, "TOLERANT"))
{
if (GNUNET_SYSERR ==
(tolerant =
- GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->serviceName,
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->service_name,
"TOLERANT")))
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Specified value for `%s' of service `%s' is invalid\n"),
- "TOLERANT", sctx->serviceName);
+ "TOLERANT", sctx->service_name);
return GNUNET_SYSERR;
}
}
#ifndef MINGW
errno = 0;
if ((NULL != (lpid = getenv ("LISTEN_PID"))) &&
- (1 == sscanf (lpid, "%u", &pid)) && (getpid () == (pid_t) 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) &&
+ (1 == SSCANF (nfds, "%u", &cnt)) && (cnt > 0) && (cnt < FD_SETSIZE) &&
(cnt + 4 < FD_SETSIZE))
{
sctx->lsocks =
}
#endif
- if ((sctx->lsocks == NULL) &&
+ if ((NULL == sctx->lsocks) &&
(GNUNET_SYSERR ==
- GNUNET_SERVICE_get_server_addresses (sctx->serviceName, sctx->cfg,
+ 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->serviceName,
+ GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->service_name,
"UNIX_MATCH_UID");
sctx->match_gid =
- GNUNET_CONFIGURATION_get_value_yesno (sctx->cfg, sctx->serviceName,
+ 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");
/**
* 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)
/* we get to create a directory -- and claim it
* as ours! */
GNUNET_DISK_directory_create (rdir);
- if ((user != NULL) && (0 < strlen (user)))
+ if ((NULL != user) && (0 < strlen (user)))
GNUNET_DISK_file_change_owner (rdir, user);
}
if (0 != ACCESS (rdir, W_OK | X_OK))
}
GNUNET_free (rdir);
pidfd = FOPEN (pif, "w");
- if (pidfd == NULL)
+ if (NULL == pidfd)
{
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "fopen", pif);
GNUNET_free (pif);
}
if (0 > FPRINTF (pidfd, "%u", pid))
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fprintf", pif);
- GNUNET_break (0 == fclose (pidfd));
- if ((user != NULL) && (0 < strlen (user)))
+ 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 cls the 'struct GNUNET_SERVICE_Context'
* @param tc unused
*/
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- 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 = GNUNET_SCHEDULER_NO_TASK;
+ 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
+ * @param tc unused
*/
static void
service_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
unsigned int i;
GNUNET_RESOLVER_connect (sctx->cfg);
- if (sctx->lsocks != NULL)
+ if (NULL != sctx->lsocks)
sctx->server =
GNUNET_SERVER_create_with_sockets (&check_access, sctx, sctx->lsocks,
sctx->timeout, sctx->require_found);
sctx->server =
GNUNET_SERVER_create (&check_access, sctx, sctx->addrs, sctx->addrlens,
sctx->timeout, sctx->require_found);
- if (sctx->server == NULL)
+ if (NULL == sctx->server)
{
- if (sctx->addrs != NULL)
+ if (NULL != sctx->addrs)
{
i = 0;
- while (sctx->addrs[i] != NULL)
+ while (NULL != sctx->addrs[i])
{
LOG (GNUNET_ERROR_TYPE_INFO, _("Failed to start `%s' at `%s'\n"),
- sctx->serviceName, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
+ sctx->service_name, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
i++;
}
}
{
/* 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->shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+ sctx);
}
sctx->my_handlers = GNUNET_malloc (sizeof (defhandlers));
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)
+ 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 (sctx->addrs != NULL)
+ if (NULL != sctx->addrs)
{
i = 0;
- while (sctx->addrs[i] != NULL)
+ while (NULL != sctx->addrs[i])
{
LOG (GNUNET_ERROR_TYPE_INFO, _("Service `%s' runs at %s\n"),
- sctx->serviceName, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
+ sctx->service_name, GNUNET_a2s (sctx->addrs[i], sctx->addrlens[i]));
i++;
}
}
/**
* 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)
LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "fork");
return GNUNET_SYSERR;
}
- if (pid != 0)
+ if (0 != pid)
{
/* Parent */
char c;
(void) CLOSE (nullfd);
/* Detach from controlling terminal */
pid = setsid ();
- if (pid == -1)
+ if (-1 == pid)
LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "setsid");
sctx->ready_confirm_fd = filedes[1];
#else
/**
* 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)
+ if (NULL == pws)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Cannot obtain information about user `%s': %s\n"), user,
/**
* 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))
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "unlink", 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
* 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,
+GNUNET_SERVICE_run (int argc, char *const *argv, const char *service_name,
+ enum GNUNET_SERVICE_Options options, GNUNET_SERVICE_Main task,
void *task_cls)
{
#define HANDLE_ERROR do { GNUNET_break (0); goto shutdown; } while (0)
int err;
+ int ret;
char *cfg_fn;
char *loglev;
char *logfile;
{'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),
loglev = NULL;
cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_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_NO == ret)
+ {
+ err = 0;
goto shutdown;
- if (GNUNET_OK != GNUNET_log_setup (serviceName, loglev, logfile))
+ }
+ if (GNUNET_OK != GNUNET_log_setup (service_name, 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)))
+ if ((1 == do_daemonize) && (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
+ "Service `%s' runs with configuration from `%s'\n", service_name, cfg_fn);
if ((GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_number (sctx.cfg, "TESTING",
"SKEW_OFFSET", &skew_offset)) &&
{
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);
-
+ GNUNET_SPEEDUP_start_ (cfg);
/* 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)) )
+ {
+ 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)
+ 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);
* 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->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)
+ if (NULL != sctx->lsocks)
sctx->server =
GNUNET_SERVER_create_with_sockets (&check_access, sctx, sctx->lsocks,
sctx->timeout, sctx->require_found);
return sctx;
}
+
/**
* Obtain the server used by a service. Note that the server must NOT
* be destroyed by the caller.
{
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 (GNUNET_SCHEDULER_NO_TASK != sctx->shutdown_task)
+ {
+ GNUNET_SCHEDULER_cancel (sctx->shutdown_task);
+ sctx->shutdown_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (NULL != sctx->server)
GNUNET_SERVER_destroy (sctx->server);
GNUNET_free_non_null (sctx->my_handlers);
- if (sctx->addrs != NULL)
+ if (NULL != sctx->addrs)
{
i = 0;
- while (sctx->addrs[i] != NULL)
+ while (NULL != sctx->addrs[i])
GNUNET_free (sctx->addrs[i++]);
GNUNET_free (sctx->addrs);
}