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Added configuration option to enable support for obsolete pre-ADC/1.0 clients.

This commit is contained in:
Jan Vidar Krey 2010-04-05 12:45:35 +02:00
parent 8bed952022
commit e220357176
6 changed files with 74 additions and 17 deletions
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17
src/core/config.c
View File

@ -127,6 +127,7 @@
#define DEF_SHOW_BANNER 1
#define DEF_SHOW_BANNER_SYS_INFO 1
#define DEF_REGISTERED_USERS_ONLY 0
#define DEF_OBSOLETE_CLIENTS 0
#define DEF_CHAT_ONLY 0
#define DEF_CHAT_IS_PRIVILEGED 0
#define DEF_LOW_BANDWIDTH_MODE 0
@ -174,6 +175,8 @@
#define DEF_MSG_USER_SLOTS_HIGH "User have too many upload slots."
#define DEF_MSG_USER_HUB_LIMIT_LOW "User is on too few hubs."
#define DEF_MSG_USER_HUB_LIMIT_HIGH "User is on too many hubs."
#define DEF_MSG_PROTO_NO_COMMON_HASH "No common hash algorithm."
#define DEF_MSG_PROTO_OBSOLETE_ADC0 "Your client does not support ADC/1.0."
void config_defaults(struct hub_config* config)
{
@ -195,6 +198,7 @@ void config_defaults(struct hub_config* config)
DEFAULT_INTEGER(max_send_buffer_soft, DEF_MAX_SEND_BUFFER_SOFT);
DEFAULT_BOOLEAN(show_banner, DEF_SHOW_BANNER);
DEFAULT_BOOLEAN(show_banner_sys_info, DEF_SHOW_BANNER_SYS_INFO);
DEFAULT_BOOLEAN(obsolete_clients, DEF_OBSOLETE_CLIENTS);
DEFAULT_BOOLEAN(chat_only, DEF_CHAT_ONLY);
DEFAULT_BOOLEAN(chat_is_privileged, DEF_CHAT_IS_PRIVILEGED);
DEFAULT_BOOLEAN(low_bandwidth_mode, DEF_LOW_BANDWIDTH_MODE);
@ -243,6 +247,8 @@ void config_defaults(struct hub_config* config)
DEFAULT_STRING (msg_user_slots_high, DEF_MSG_USER_SLOTS_HIGH);
DEFAULT_STRING (msg_user_hub_limit_low, DEF_MSG_USER_HUB_LIMIT_LOW);
DEFAULT_STRING (msg_user_hub_limit_high, DEF_MSG_USER_HUB_LIMIT_HIGH);
DEFAULT_STRING (msg_proto_no_common_hash, DEF_MSG_PROTO_NO_COMMON_HASH);
DEFAULT_STRING (msg_proto_obsolete_adc0, DEF_MSG_PROTO_OBSOLETE_ADC0);
DEFAULT_INTEGER(tls_enable, DEF_TLS_ENABLE);
DEFAULT_INTEGER(tls_require, DEF_TLS_REQUIRE);
@ -271,6 +277,7 @@ static int apply_config(struct hub_config* config, char* key, char* data, int li
GET_INT (max_send_buffer_soft);
GET_BOOL(show_banner);
GET_BOOL(show_banner_sys_info);
GET_BOOL(obsolete_clients);
GET_BOOL(chat_only);
GET_BOOL(chat_is_privileged);
GET_BOOL(low_bandwidth_mode);
@ -319,13 +326,16 @@ static int apply_config(struct hub_config* config, char* key, char* data, int li
GET_STR (msg_user_slots_high);
GET_STR (msg_user_hub_limit_low);
GET_STR (msg_user_hub_limit_high);
GET_STR (msg_proto_no_common_hash);
GET_STR (msg_proto_obsolete_adc0);
/* TLS/SSL related */
GET_BOOL(tls_enable);
GET_BOOL(tls_require);
GET_STR (tls_certificate);
GET_STR (tls_private_key);
/* Still here -- unknown directive */
/* Still here -- unknown directive */
LOG_ERROR("Unknown configuration directive: '%s'", key);
return -1;
}
@ -370,6 +380,8 @@ void free_config(struct hub_config* config)
hub_free(config->msg_user_slots_high);
hub_free(config->msg_user_hub_limit_low);
hub_free(config->msg_user_hub_limit_high);
hub_free(config->msg_proto_no_common_hash);
hub_free(config->msg_proto_obsolete_adc0);
hub_free(config->tls_certificate);
hub_free(config->tls_private_key);
@ -425,6 +437,7 @@ void dump_config(struct hub_config* config, int ignore_defaults)
DUMP_INT (max_send_buffer_soft, DEF_MAX_SEND_BUFFER_SOFT);
DUMP_BOOL(show_banner, DEF_SHOW_BANNER);
DUMP_BOOL(show_banner_sys_info, DEF_SHOW_BANNER_SYS_INFO);
DUMP_BOOL(obsolete_clients, DEF_OBSOLETE_CLIENTS);
DUMP_BOOL(chat_only, DEF_CHAT_ONLY);
DUMP_BOOL(chat_is_privileged, DEF_CHAT_IS_PRIVILEGED);
DUMP_BOOL(low_bandwidth_mode, DEF_LOW_BANDWIDTH_MODE);
@ -480,6 +493,8 @@ void dump_config(struct hub_config* config, int ignore_defaults)
DUMP_STR (msg_user_slots_high, DEF_MSG_USER_SLOTS_HIGH);
DUMP_STR (msg_user_hub_limit_low, DEF_MSG_USER_HUB_LIMIT_LOW);
DUMP_STR (msg_user_hub_limit_high, DEF_MSG_USER_HUB_LIMIT_HIGH);
DUMP_STR (msg_proto_no_common_hash, DEF_MSG_PROTO_NO_COMMON_HASH);
DUMP_STR (msg_proto_obsolete_adc0, DEF_MSG_PROTO_OBSOLETE_ADC0);
}

3
src/core/config.h
View File

@ -31,6 +31,7 @@ struct hub_config
int show_banner_sys_info; /**<<< "Show banner system information (default: 1). Has no effect unless show_banner is enabled." */
int max_users; /**<<< "Maximum number of users allowed on the hub (default: 500)" */
int registered_users_only; /**<<< "Allow registered users only (default: 0)" */
int obsolete_clients; /**<<< "Support obsolete clients using a ADC protocol prior to 1.0 (default: off)" */
int chat_only; /**<<< "Allow chat only operation on hub (default: 0)" */
int chat_is_privileged; /**<<< "Allow chat for operators and above only (default: 0) */
char* file_motd; /**<<< "File containing the 'message of the day' (default: '' - no motd)" */
@ -89,6 +90,8 @@ struct hub_config
char* msg_user_slots_high; /**<<< "User have too many upload slots." */
char* msg_user_hub_limit_low; /**<<< "User is on too few hubs." */
char* msg_user_hub_limit_high; /**<<< "User is on too many hubs." */
char* msg_proto_no_common_hash; /**<<< "No common hash algorithm." */
char* msg_proto_obsolete_adc0; /**<<< "Client is using an obsolete ADC protocol version." */
int tls_enable; /**<<< "Enable SSL/TLS support (default: 0)" */
int tls_require; /**<<< "If SSL/TLS enabled, should it be required (default: 0) */

51
src/core/hub.c
View File

@ -137,17 +137,46 @@ int hub_handle_support(struct hub_info* hub, struct hub_user* u, struct adc_mess
if (u->state == state_protocol)
{
if (index == 0) ok = 0; /* Need to support *SOMETHING*, at least BASE */
if (ok)
{
hub_send_handshake(hub, u);
net_con_set_timeout(u->connection, TIMEOUT_HANDSHAKE);
}
else
if (!ok)
{
/* disconnect user. Do not send crap during initial handshake! */
hub_disconnect_user(hub, u, quit_logon_error);
ret = -1;
return -1;
}
if (user_flag_get(u, feature_base))
{
/* User supports ADC/1.0 and a hash we know */
if (user_flag_get(u, feature_tiger))
{
hub_send_handshake(hub, u);
net_con_set_timeout(u->connection, TIMEOUT_HANDSHAKE);
}
else
{
// no common hash algorithm.
hub_send_status(hub, u, status_msg_proto_no_common_hash, status_level_fatal);
hub_disconnect_user(hub, u, quit_protocol_error);
}
}
else if (user_flag_get(u, feature_bas0))
{
if (hub->config->obsolete_clients)
{
hub_send_handshake(hub, u);
net_con_set_timeout(u->connection, TIMEOUT_HANDSHAKE);
}
else
{
/* disconnect user for using an obsolete client. */
hub_send_status(hub, u, status_msg_proto_obsolete_adc0, status_level_fatal);
hub_disconnect_user(hub, u, quit_protocol_error);
}
}
else
{
/* Not speaking a compatible protocol - just disconnect. */
hub_disconnect_user(hub, u, quit_logon_error);
}
}
@ -890,6 +919,8 @@ void hub_send_status(struct hub_info* hub, struct hub_user* user, enum status_me
STATUS(43, msg_user_slots_high, "FB" ADC_INF_FLAG_UPLOAD_SLOTS, 0);
STATUS(43, msg_user_hub_limit_low, 0, 0);
STATUS(43, msg_user_hub_limit_high, 0, 0);
STATUS(47, msg_proto_no_common_hash, 0, -1);
STATUS(40, msg_proto_obsolete_adc0, 0, -1);
}
#undef STATUS
@ -958,6 +989,8 @@ const char* hub_get_status_message(struct hub_info* hub, enum status_message msg
STATUS(msg_user_slots_high);
STATUS(msg_user_hub_limit_low);
STATUS(msg_user_hub_limit_high);
STATUS(msg_proto_no_common_hash);
STATUS(msg_proto_obsolete_adc0);
}
#undef STATUS
return "Unknown";
@ -997,6 +1030,8 @@ const char* hub_get_status_message_log(struct hub_info* hub, enum status_message
STATUS(msg_user_slots_high);
STATUS(msg_user_hub_limit_low);
STATUS(msg_user_hub_limit_high);
STATUS(msg_proto_no_common_hash);
STATUS(msg_proto_obsolete_adc0);
}
#undef STATUS
return "unknown";

4
src/core/hub.h
View File

@ -53,6 +53,10 @@ enum status_message
status_msg_user_hub_limit_low = -44, /* Use is on too few hubs. */
status_msg_user_hub_limit_high = -45, /* Use is on too many hubs. */
status_msg_proto_no_common_hash = -50, /* No common hash algorithms */
status_msg_proto_obsolete_adc0 = -51, /* Client is using an obsolete protocol version */
};

7
src/core/user.c
View File

@ -134,10 +134,9 @@ static int convert_support_fourcc(int fourcc)
{
switch (fourcc)
{
case FOURCC('B','A','S','0'): /* Obsolete */
#ifndef OLD_ADC_SUPPORT
return 0;
#endif
case FOURCC('B','A','S','0'):
return feature_bas0;
case FOURCC('B','A','S','E'):
return feature_base;

1
src/core/user.h
View File

@ -45,6 +45,7 @@ enum user_flags
feature_ping = 0x00000080, /** PING: Hub pinger information extension */
feature_link = 0x00000100, /** LINK: Hub link (not supported) */
feature_adcs = 0x00000200, /** ADCS: ADC over TLS/SSL */
feature_bas0 = 0x00000400, /** BAS0: Obsolete pre-ADC/1.0 protocol version */
flag_muted = 0x00800000, /** User is muted (cannot chat) */
flag_ignore = 0x01000000, /** Ignore further reads */
flag_maxbuf = 0x02000000, /** Hit max buf read, ignore msg */