external
/
uhub
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'master' of github.com:janvidar/uhub

This commit is contained in:
Jan Vidar Krey 2011-09-05 23:34:05 +02:00
parent 9327615448 ebe54bcf27
commit 70f13158d3
15 changed files with 260 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
GNUmakefile
View File

@ -10,9 +10,8 @@ LD := $(CC)
MV := mv
RANLIB := ranlib
CFLAGS += -pipe -Wall
USE_SSL ?= NO
USE_SSL ?= YES
USE_BIGENDIAN ?= AUTO
USE_PLUGINS ?= YES
BITS ?= AUTO
SILENT ?= YES
TERSE ?= NO
@ -43,7 +42,6 @@ UHUB_PREFIX ?= c:/uhub/
CFLAGS += -mno-cygwin
LDFLAGS += -mno-cygwin
BIN_EXT ?= .exe
USE_PLUGINS := NO
else
DESTDIR ?= /
UHUB_CONF_DIR ?= $(DESTDIR)/etc/uhub
@ -121,11 +119,7 @@ CFLAGS += -DSSL_SUPPORT
LDLIBS += -lssl
endif
ifeq ($(USE_PLUGINS),YES)
CFLAGS += -DPLUGIN_SUPPORT
LDLIBS += -ldl
endif
GIT_VERSION=$(shell git describe --tags 2>/dev/null || echo "")
GIT_REVISION=$(shell git show --abbrev-commit 2>/dev/null | head -n 1 | cut -f 2 -d " " || echo "")
@ -243,7 +237,7 @@ endif
%.o: %.c version.h revision.h
$(MSG_CC) $(CC) -fPIC -c $(CFLAGS) -o $@ $<
all: $(uhub_BINARY)
all: $(uhub_BINARY) plugins
plugins: $(uhub_BINARY) $(all_plugins)

4
src/adc/sid.c
View File

@ -120,7 +120,6 @@ void sid_pool_destroy(struct sid_pool* pool)
sid_t sid_alloc(struct sid_pool* pool, struct hub_user* user)
{
sid_t n;
if (pool->count >= (pool->max - pool->min))
{
#ifdef DEBUG_SID
@ -129,8 +128,7 @@ sid_t sid_alloc(struct sid_pool* pool, struct hub_user* user)
return 0;
}
n = ++pool->count;
n = (++pool->count);
for (; (pool->map[n % pool->max]); n++) ;
#ifdef DEBUG_SID

1
src/adc/sid.h
View File

@ -25,7 +25,6 @@
struct sid_pool;
struct hub_user;
extern const char* BASE32_ALPHABET;
extern char* sid_to_string(sid_t sid_);
extern sid_t string_to_sid(const char* sid);

19
src/core/commands.c
View File

@ -1,6 +1,6 @@
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2010, Jan Vidar Krey
* Copyright (C) 2007-2011, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -732,15 +732,22 @@ static int command_register(struct hub_info* hub, struct hub_user* user, struct
data.password[MAX_PASS_LEN] = '\0';
data.credentials = auth_cred_user;
if (acl_register_user(hub, &data))
if (hub->config->register_self)
{
sprintf(tmp, "User \"%s\" registered.", user->id.nick);
return command_status(hub, user, cmd, tmp);
if (acl_register_user(hub, &data))
{
sprintf(tmp, "User \"%s\" registered.", user->id.nick);
return command_status(hub, user, cmd, tmp);
}
else
{
sprintf(tmp, "Unable to register user \"%s\".", user->id.nick);
return command_status(hub, user, cmd, tmp);
}
}
else
{
sprintf(tmp, "Unable to register user \"%s\".", user->id.nick);
return command_status(hub, user, cmd, tmp);
return command_status(hub, user, cmd, "You are not allowed to register.");
}
}

20
src/core/config.xml
View File

@ -108,6 +108,15 @@
<since>0.1.1</since>
</option>
<option name="register_self" type="boolean" default="0">
<short>Allow users to register themselves on the hub.</short>
<description><![CDATA[
If this is enabled guests can register their nickname on the hub.
Otherwise only operators can register users.
]]></description>
<since>0.4.0</since>
</option>
<option name="obsolete_clients" type="boolean" default="0">
<short>Support obsolete clients using a ADC protocol prior to 1.0</short>
<description><![CDATA[
@ -417,6 +426,17 @@
<since>0.3.0</since>
</option>
<option name="tls_require_redirect_addr" type="string" default="">
<check regexp="(adc|adcs|dchub)://.*" />
<short>A redirect address in case a client connects using "adc://" when "adcs://" is required.</short>
<description><![CDATA[
This is the redirect address used when the hub wants to redirect a client for not using ADCS.
For instance a hub at adc://adc.example.com might redirect to adcs://adc.example.com
]]></description>
<since>0.3.3</since>
</option>
<option name="tls_certificate" type="file" default="">
<short>Certificate file</short>
<description><![CDATA[

30
src/core/gen_config.c
View File

@ -11,6 +11,7 @@ void config_defaults(struct hub_config* config)
config->show_banner_sys_info = 1;
config->max_users = 500;
config->registered_users_only = 0;
config->register_self = 0;
config->obsolete_clients = 0;
config->chat_only = 0;
config->chat_is_privileged = 0;
@ -42,6 +43,7 @@ void config_defaults(struct hub_config* config)
config->flood_ctl_extras = 0;
config->tls_enable = 0;
config->tls_require = 0;
config->tls_require_redirect_addr = hub_strdup("");
config->tls_certificate = hub_strdup("");
config->tls_private_key = hub_strdup("");
config->file_motd = hub_strdup("");
@ -183,6 +185,16 @@ static int apply_config(struct hub_config* config, char* key, char* data, int li
return 0;
}
if (!strcmp(key, "register_self"))
{
if (!apply_boolean(key, data, &config->register_self))
{
LOG_ERROR("Configuration parse error on line %d", line_count);
return -1;
}
return 0;
}
if (!strcmp(key, "obsolete_clients"))
{
if (!apply_boolean(key, data, &config->obsolete_clients))
@ -496,6 +508,16 @@ static int apply_config(struct hub_config* config, char* key, char* data, int li
return 0;
}
if (!strcmp(key, "tls_require_redirect_addr"))
{
if (!apply_string(key, data, &config->tls_require_redirect_addr, (char*) ""))
{
LOG_ERROR("Configuration parse error on line %d", line_count);
return -1;
}
return 0;
}
if (!strcmp(key, "tls_certificate"))
{
if (!apply_string(key, data, &config->tls_certificate, (char*) ""))
@ -933,6 +955,8 @@ void free_config(struct hub_config* config)
hub_free(config->redirect_addr);
hub_free(config->tls_require_redirect_addr);
hub_free(config->tls_certificate);
hub_free(config->tls_private_key);
@ -1048,6 +1072,9 @@ void dump_config(struct hub_config* config, int ignore_defaults)
if (!ignore_defaults || config->registered_users_only != 0)
fprintf(stdout, "registered_users_only = %s\n", config->registered_users_only ? "yes" : "no");
if (!ignore_defaults || config->register_self != 0)
fprintf(stdout, "register_self = %s\n", config->register_self ? "yes" : "no");
if (!ignore_defaults || config->obsolete_clients != 0)
fprintf(stdout, "obsolete_clients = %s\n", config->obsolete_clients ? "yes" : "no");
@ -1141,6 +1168,9 @@ void dump_config(struct hub_config* config, int ignore_defaults)
if (!ignore_defaults || config->tls_require != 0)
fprintf(stdout, "tls_require = %s\n", config->tls_require ? "yes" : "no");
if (!ignore_defaults || strcmp(config->tls_require_redirect_addr, "") != 0)
fprintf(stdout, "tls_require_redirect_addr = \"%s\"\n", config->tls_require_redirect_addr);
if (!ignore_defaults || strcmp(config->tls_certificate, "") != 0)
fprintf(stdout, "tls_certificate = \"%s\"\n", config->tls_certificate);

2
src/core/gen_config.h
View File

@ -11,6 +11,7 @@ struct hub_config
int show_banner_sys_info; /*<<< Show banner on connect (default: 1) */
int max_users; /*<<< Maximum number of users allowed on the hub (default: 500) */
int registered_users_only; /*<<< Allow registered users only (default: 0) */
int register_self; /*<<< Allow users to register themselves on the hub. (default: 0) */
int obsolete_clients; /*<<< Support obsolete clients using a ADC protocol prior to 1.0 (default: 0) */
int chat_only; /*<<< Allow chat only operation on hub (default: 0) */
int chat_is_privileged; /*<<< Allow chat for operators and above only (default: 0) */
@ -42,6 +43,7 @@ struct hub_config
int flood_ctl_extras; /*<<< Max extra messages allowed in time interval (default: 0) */
int tls_enable; /*<<< Enable SSL/TLS support (default: 0) */
int tls_require; /*<<< If SSL/TLS enabled, should it be required (default: 0) (default: 0) */
char* tls_require_redirect_addr; /*<<< A redirect address in case a client connects using "adc://" when "adcs://" is required. (default: ) */
char* tls_certificate; /*<<< Certificate file (default: ) */
char* tls_private_key; /*<<< Private key file (default: ) */
char* file_motd; /*<<< File containing the 'message of the day (default: ) */

17
src/core/hub.c
View File

@ -695,6 +695,7 @@ static int load_ssl_certificates(struct hub_info* hub, struct hub_config* config
/* Disable SSLv2 */
SSL_CTX_set_options(hub->ssl_ctx, SSL_OP_NO_SSLv2);
SSL_CTX_set_quiet_shutdown(hub->ssl_ctx, 1);
if (SSL_CTX_use_certificate_file(hub->ssl_ctx, config->tls_certificate, SSL_FILETYPE_PEM) < 0)
{
@ -824,7 +825,6 @@ void hub_shutdown_service(struct hub_info* hub)
event_queue_shutdown(hub->queue);
net_con_close(hub->server);
hub_free(hub->server);
server_alt_port_stop(hub);
uman_shutdown(hub);
hub->status = hub_status_stopped;
@ -840,21 +840,22 @@ void hub_shutdown_service(struct hub_info* hub)
}
#ifdef PLUGIN_SUPPORT
void hub_plugins_load(struct hub_info* hub)
int hub_plugins_load(struct hub_info* hub)
{
if (!hub->config->file_plugins || !*hub->config->file_plugins)
return;
return 0;
hub->plugins = hub_malloc_zero(sizeof(struct uhub_plugins));
if (!hub->plugins)
return;
return -1;
if (plugin_initialize(hub->config, hub->plugins) < 0)
{
hub_free(hub->plugins);
hub->plugins = 0;
return;
return -1;
}
return 0;
}
void hub_plugins_unload(struct hub_info* hub)
@ -943,7 +944,11 @@ void hub_set_variables(struct hub_info* hub, struct acl_handle* acl)
}
#ifdef PLUGIN_SUPPORT
hub_plugins_load(hub);
if (hub_plugins_load(hub) < 0)
{
hub->status = hub_status_shutdown;
}
else
#endif
hub->status = (hub->config->hub_enabled ? hub_status_running : hub_status_disabled);

17
src/core/probe.c
View File

@ -50,6 +50,17 @@ static void probe_net_event(struct net_connection* con, int events, void *arg)
if (probe->hub->config->tls_enable && probe->hub->config->tls_require)
{
LOG_TRACE("Not TLS connection - closing connection.");
if (*probe->hub->config->tls_require_redirect_addr)
{
char buf[512];
ssize_t len = snprintf(buf, sizeof(buf), "ISUP " ADC_PROTO_SUPPORT "\nISID AAAB\nIINF NIRedirecting...\nIQUI AAAB RD%s\n", probe->hub->config->tls_require_redirect_addr);
net_con_send(con, buf, (size_t) len);
LOG_TRACE("Not TLS connection - Redirecting to %s.", probe->hub->config->tls_require_redirect_addr);
}
else
{
LOG_TRACE("Not TLS connection - closing connection.");
}
}
else
#endif
@ -60,9 +71,8 @@ static void probe_net_event(struct net_connection* con, int events, void *arg)
probe_destroy(probe);
return;
}
#ifdef SSL_SUPPORT
if (bytes >= 11 &&
else if (bytes >= 11 &&
probe_recvbuf[0] == 22 &&
probe_recvbuf[1] == 3 && /* protocol major version */
probe_recvbuf[5] == 1 && /* message type */
@ -107,6 +117,8 @@ struct hub_probe* probe_create(struct hub_info* hub, int sd, struct ip_addr_enca
if (probe == NULL)
return NULL; /* OOM */
LOG_TRACE("probe_create(): %p", probe);
probe->hub = hub;
probe->connection = net_con_create();
net_con_initialize(probe->connection, sd, probe_net_event, probe, NET_EVENT_READ);
@ -118,6 +130,7 @@ struct hub_probe* probe_create(struct hub_info* hub, int sd, struct ip_addr_enca
void probe_destroy(struct hub_probe* probe)
{
LOG_TRACE("probe_destroy(): %p (connection=%p)", probe, probe->connection);
if (probe->connection)
{
net_con_close(probe->connection);

6
src/core/user.c
View File

@ -71,6 +71,12 @@ void user_destroy(struct hub_user* user)
hub_recvq_destroy(user->recv_queue);
hub_sendq_destroy(user->send_queue);
if (user->connection)
{
LOG_TRACE("user_destory() -> net_con_close(%p)", user->connection);
net_con_close(user->connection);
}
adc_msg_free(user->info);
user_clear_feature_cast_support(user);
hub_free(user);

9
src/network/backend.c
View File

@ -179,6 +179,14 @@ void net_con_close(struct net_connection* con)
g_backend->handler.con_del(g_backend->data, con);
#ifdef SSL_SUPPORT
if (con->ssl)
{
SSL_shutdown(con->ssl);
SSL_clear(con->ssl);
}
#endif
net_close(con->sd);
con->sd = -1;
@ -196,6 +204,7 @@ struct net_cleanup_handler* net_cleanup_initialize(size_t max)
void net_cleanup_shutdown(struct net_cleanup_handler* handler)
{
net_cleanup_process(handler);
hub_free(handler->queue);
hub_free(handler);
}

7
src/network/connection.c
View File

@ -161,7 +161,7 @@ ssize_t net_con_send(struct net_connection* con, const void* buf, size_t len)
LOG_PROTO("SSL_write(con=%p, buf=%p, len=" PRINTF_SIZE_T ") => %d", con, buf, len, ret);
if (ret <= 0)
{
return -handle_openssl_error(con, ret);
return handle_openssl_error(con, ret);
}
}
#endif
@ -201,7 +201,7 @@ ssize_t net_con_recv(struct net_connection* con, void* buf, size_t len)
}
else
{
return -handle_openssl_error(con, ret);
return handle_openssl_error(con, ret);
}
}
#endif
@ -251,6 +251,9 @@ void* net_con_get_ptr(struct net_connection* con)
void net_con_destroy(struct net_connection* con)
{
#ifdef SSL_SUPPORT
SSL_free(con->ssl);
#endif
hub_free(con);
}

5
src/network/network.c
View File

@ -62,7 +62,6 @@ int net_initialize()
LOG_TRACE("Initializing OpenSSL...");
SSL_library_init();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();
#endif /* SSL_SUPPORT */
net_initialized = 1;
@ -101,7 +100,9 @@ int net_destroy()
net_backend_shutdown();
#ifdef SSL_SUPPORT
/* FIXME: Shutdown OpenSSL here. */
ERR_free_strings();
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
#endif
#ifdef WINSOCK

15
src/plugin_api/handle.h
View File

@ -51,6 +51,10 @@ struct plugin_user
enum auth_credentials credentials;
};
struct plugin_hub_info
{
};
enum plugin_status
{
st_default = 0, /* Use default */
@ -100,6 +104,11 @@ typedef void (*on_user_nick_change_t)(struct plugin_handle*, struct plugin_user*
typedef void (*on_user_update_error_t)(struct plugin_handle*, struct plugin_user*, const char* reason);
typedef void (*on_user_chat_msg_t)(struct plugin_handle*, struct plugin_user*, const char* message, int flags);
typedef void (*on_hub_started_t)(struct plugin_handle*, struct plugin_hub_info*);
typedef void (*on_hub_reloaded_t)(struct plugin_handle*, struct plugin_hub_info*);
typedef void (*on_hub_shutdown_t)(struct plugin_handle*, struct plugin_hub_info*);
typedef void (*on_hub_error_t)(struct plugin_handle*, struct plugin_hub_info*, const char* message);
typedef plugin_st (*on_change_nick_t)(struct plugin_handle*, struct plugin_user*, const char* new_nick);
typedef plugin_st (*on_check_ip_early_t)(struct plugin_handle*, struct ip_addr_encap*);
@ -126,6 +135,12 @@ struct plugin_funcs
on_user_update_error_t on_user_update_error;/* A user has failed to update - nickname, etc. */
on_user_chat_msg_t on_user_chat_message;/* A user has sent a public chat message */
// Log hub events
on_hub_started_t on_hub_started; /* Triggered just after plugins are loaded and the hub is started. */
on_hub_reloaded_t on_hub_reloaded; /* Triggered immediately after hub configuration is reloaded. */
on_hub_shutdown_t on_hub_shutdown; /* Triggered just before the hub is being shut down and before plugins are unloaded. */
on_hub_error_t on_hub_error; /* Triggered for log-worthy error messages */
// Activity events (can be intercepted and refused/accepted by a plugin)
on_chat_msg_t on_chat_msg; /* A public chat message is about to be sent (can be intercepted) */
on_private_msg_t on_private_msg; /* A public chat message is about to be sent (can be intercepted) */

149
src/plugins/mod_logging.c
View File

@ -1,7 +1,7 @@
/**
* This is a minimal example plugin for uhub.
* A logging plugin for uhub.
* Logs to either file or syslog.
*/
#include "system.h"
#include "adc/adcconst.h"
#include "adc/sid.h"
@ -9,40 +9,138 @@
#include "util/ipcalc.h"
#include "plugin_api/handle.h"
#include "util/misc.h"
#include "util/config_token.h"
#include <syslog.h>
struct ip_addr_encap;
struct log_data
{
enum {
mode_file,
mode_syslog
} logmode;
char* logfile;
int fd;
};
static void reset(struct log_data* data)
{
/* set defaults */
data->logmode = mode_file;
data->logfile = NULL;
data->fd = -1;
}
static void set_error_message(struct plugin_handle* plugin, const char* msg)
{
plugin->error_msg = msg;
}
static int log_open_file(struct plugin_handle* plugin, struct log_data* data)
{
data->fd = open(data->logfile, O_CREAT | O_APPEND | O_NOATIME | O_LARGEFILE | O_WRONLY, 0664);
return (data->fd != -1);
}
static struct log_data* log_open(struct plugin_handle* plugin, const char* config)
static int log_open_syslog(struct plugin_handle* plugin)
{
openlog("uhub", 0, LOG_USER);
return 1;
}
static struct log_data* parse_config(const char* line, struct plugin_handle* plugin)
{
struct log_data* data = (struct log_data*) hub_malloc(sizeof(struct log_data));
data->logfile = strdup(config);
data->fd = open(data->logfile, O_CREAT | O_APPEND | O_NOATIME | O_LARGEFILE | O_WRONLY, 0664);
if (data->fd == -1)
struct cfg_tokens* tokens = cfg_tokenize(line);
char* token = cfg_token_get_first(tokens);
if (!data)
return 0;
reset(data);
while (token)
{
set_error_message(plugin, "Unable to open log file!");
hub_free(data->logfile);
hub_free(data);
return NULL;
struct cfg_settings* setting = cfg_settings_split(token);
if (!setting)
{
set_error_message(plugin, "Unable to parse startup parameters");
cfg_tokens_free(tokens);
hub_free(data);
return 0;
}
if (strcmp(cfg_settings_get_key(setting), "file") == 0)
{
data->logfile = strdup(cfg_settings_get_value(setting));
data->logmode = mode_file;
}
else if (strcmp(cfg_settings_get_key(setting), "syslog") == 0)
{
int use_syslog = 0;
if (!string_to_boolean(cfg_settings_get_value(setting), &use_syslog))
{
data->logmode = (use_syslog) ? mode_syslog : mode_file;
}
}
else
{
set_error_message(plugin, "Unknown startup parameters given");
cfg_tokens_free(tokens);
cfg_settings_free(setting);
hub_free(data);
return 0;
}
cfg_settings_free(setting);
token = cfg_token_get_next(tokens);
}
if (data->logmode == mode_file)
{
if ((data->logmode == mode_file && !data->logfile))
{
set_error_message(plugin, "No log file is given, use file=<path>");
hub_free(data);
return 0;
}
if (!log_open_file(plugin, data))
{
hub_free(data->logfile);
hub_free(data);
set_error_message(plugin, "Unable to open log file");
return 0;
}
}
else
{
if (!log_open_syslog(plugin))
{
hub_free(data->logfile);
hub_free(data);
set_error_message(plugin, "Unable to open syslog");
return 0;
}
}
return data;
}
static void log_close(struct log_data* data)
{
hub_free(data->logfile);
close(data->fd);
if (data->logmode == mode_file)
{
hub_free(data->logfile);
close(data->fd);
}
else
{
closelog();
}
hub_free(data);
}
@ -54,16 +152,25 @@ static void log_message(struct log_data* data, const char *format, ...)
va_list args;
ssize_t size = 0;
t = time(NULL);
tmp = localtime(&t);
strftime(logmsg, 32, "%Y-%m-%d %H:%M:%S ", tmp);
if (data->logmode == mode_file)
{
t = time(NULL);
tmp = localtime(&t);
strftime(logmsg, 32, "%Y-%m-%d %H:%M:%S ", tmp);
va_start(args, format);
size = vsnprintf(logmsg + 20, 1004, format, args);
va_end(args);
va_start(args, format);
size = vsnprintf(logmsg + 20, 1004, format, args);
va_end(args);
write(data->fd, logmsg, size + 20);
fdatasync(data->fd);
write(data->fd, logmsg, size + 20);
fdatasync(data->fd);
}
else
{
va_start(args, format);
vsyslog(LOG_INFO, format, args);
va_end(args);
}
}
static void log_user_login(struct plugin_handle* plugin, struct plugin_user* user)
@ -101,7 +208,7 @@ int plugin_register(struct plugin_handle* plugin, const char* config)
plugin->funcs.on_user_logout = log_user_logout;
plugin->funcs.on_user_nick_change = log_change_nick;
plugin->ptr = log_open(plugin, config);
plugin->ptr = parse_config(config, plugin);
if (!plugin->ptr)
return -1;
return 0;