Fix bug #106: Show OS/CPU info in !version.

This can be controlled by the configuration variable "show_banner_sys_info" which is enabled by default.

doc/uhub.conf

@@ -19,9 +19,12 @@ server_bind_addr=any
 # The maximum amount of users allowed on the hub.
 max_users=500
 
-# If 1, will show a "This hub is running uhub/version".
+# If 1, will show a "Powered by uHub/{VERSION}".
 show_banner=1
 
+# If enabled then operating system and cpu architecture is part of the banner.
+show_banner_sys_info=1
+
 # Allow only registered users on the hub if set to 1.
 registered_users_only=0
 

src/core/config.c

@@ -125,6 +125,7 @@
 #define DEF_MAX_SEND_BUFFER                 131072
 #define DEF_MAX_SEND_BUFFER_SOFT            98304
 #define DEF_SHOW_BANNER                     1
+#define DEF_SHOW_BANNER_SYS_INFO            1
 #define DEF_REGISTERED_USERS_ONLY           0
 #define DEF_CHAT_ONLY                       0
 #define DEF_CHAT_IS_PRIVILEGED              0
@@ -193,6 +194,7 @@ void config_defaults(struct hub_config* config)
 	DEFAULT_INTEGER(max_send_buffer,       DEF_MAX_SEND_BUFFER);
 	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(chat_only,             DEF_CHAT_ONLY);
 	DEFAULT_BOOLEAN(chat_is_privileged,    DEF_CHAT_IS_PRIVILEGED);
 	DEFAULT_BOOLEAN(low_bandwidth_mode,    DEF_LOW_BANDWIDTH_MODE);
@@ -268,6 +270,7 @@ static int apply_config(struct hub_config* config, char* key, char* data, int li
 	GET_INT (max_send_buffer);
 	GET_INT (max_send_buffer_soft);
 	GET_BOOL(show_banner);
+	GET_BOOL(show_banner_sys_info);
 	GET_BOOL(chat_only);
 	GET_BOOL(chat_is_privileged);
 	GET_BOOL(low_bandwidth_mode);
@@ -421,6 +424,7 @@ void dump_config(struct hub_config* config, int ignore_defaults)
 	DUMP_INT (max_send_buffer, DEF_MAX_SEND_BUFFER);
 	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(chat_only, DEF_CHAT_ONLY);
 	DUMP_BOOL(chat_is_privileged, DEF_CHAT_IS_PRIVILEGED);
 	DUMP_BOOL(low_bandwidth_mode, DEF_LOW_BANDWIDTH_MODE);

src/core/config.h

@@ -28,6 +28,7 @@ struct hub_config
 	char* server_alt_ports;      /**<<< "Comma separated list of alternative ports to listen to (default: '')" */
 	int hub_enabled;             /**<<< "Is server enabled (default: 1)" */
 	int show_banner;             /**<<< "Show banner on connect (default: 1)" */
+	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 chat_only;               /**<<< "Allow chat only operation on hub (default: 0)" */

src/core/hub.c

@@ -684,17 +684,15 @@ void hub_shutdown_service(struct hub_info* hub)
 	g_hub = 0;
 }
 
-#define SERVER "" PRODUCT "/" VERSION ""
-
 void hub_set_variables(struct hub_info* hub, struct acl_handle* acl)
 {
 	int fd, ret;
 	char buf[MAX_RECV_BUF];
 	char* tmp;
-	char* server = adc_msg_escape(SERVER); /* FIXME: OOM */
+	char* server = adc_msg_escape(PRODUCT_STRING); /* FIXME: OOM */
 	
 	hub->acl = acl;
-	hub->command_info = adc_msg_construct(ADC_CMD_IINF, 15 + strlen(server));
+	hub->command_info = adc_msg_construct(ADC_CMD_IINF, 15);
 	if (hub->command_info)
 	{
 		adc_msg_add_named_argument(hub->command_info, ADC_INF_FLAG_CLIENT_TYPE, ADC_CLIENT_TYPE_HUB);
@@ -748,10 +746,13 @@ void hub_set_variables(struct hub_info* hub, struct acl_handle* acl)
 		adc_msg_add_argument(hub->command_support, ADC_PROTO_SUPPORT);
 	}
 
-	hub->command_banner = adc_msg_construct(ADC_CMD_ISTA, 25 + strlen(server));
+	hub->command_banner = adc_msg_construct(ADC_CMD_ISTA, 100 + strlen(server));
 	if (hub->command_banner)
 	{
-		tmp = adc_msg_escape("Powered by " SERVER);
+		if (hub->config->show_banner_sys_info)
+			tmp = adc_msg_escape("Powered by " PRODUCT_STRING " on " OPSYS "/" CPUINFO);
+		else
+			tmp = adc_msg_escape("Powered by " PRODUCT_STRING);
 		adc_msg_add_argument(hub->command_banner, "000");
 		adc_msg_add_argument(hub->command_banner, tmp);
 		hub_free(tmp);

src/core/main.c

@@ -190,8 +190,8 @@ int check_configuration(int dump)
 
 void print_version()
 {
-	fprintf(stdout, "" PRODUCT " " VERSION "\n");
+	fprintf(stdout, PRODUCT_STRING "\n");
-	fprintf(stdout, "Copyright (C) 2007-2009, Jan Vidar Krey <janvidar@extatic.org>\n"
+	fprintf(stdout, COPYRIGHT "\n"
 			"This is free software with ABSOLUTELY NO WARRANTY.\n\n");
 	exit(0);
 }

src/system.h

@@ -44,6 +44,10 @@
 #define _GNU_SOURCE
 #endif
 
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__DragonFly__) || (defined(__APPLE__) && defined(__MACH__))
+#define BSD_LIKE
+#endif
+
 #if defined(__CYGWIN__) || defined(__MINGW32__)
 #ifndef WINSOCK
 #define WINSOCK
@@ -113,7 +117,7 @@
 #include <sys/epoll.h>
 #endif
 
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#ifdef BSD_LIKE
 #define USE_KQUEUE
 #include <sys/event.h>
 #endif
@@ -123,11 +127,98 @@
 #include <sys/select.h>
 #endif
 
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__sun__)
+#if defined(BSD_LIKE) || defined(__sun__)
 #undef HAVE_STRNDUP
 #undef HAVE_MEMMEM
 #endif
 
+
+/*
+ * Detect operating system info.
+ * See: http://predef.sourceforge.net/
+ */
+#if defined(__linux__)
+#define OPSYS "Linux"
+#endif
+
+#if defined(_WIN32) || defined(__MINGW32__) || defined(_WIN64) || defined(__WIN32__) || defined(__WINDOWS__)
+#define OPSYS "Windows"
+#endif
+
+#if defined(__APPLE__) && defined(__MACH__)
+#define OPSYS "MacOSX"
+#endif
+
+#if defined(__FreeBSD__)
+#define OPSYS "FreeBSD"
+#endif
+
+#if defined(__OpenBSD__)
+#define OPSYS "OpenBSD"
+#endif
+
+#if defined(__NetBSD__)
+#define OPSYS "NetBSD"
+#endif
+
+#if defined(__sun__)
+#if defined(__SVR4) || defined(__svr4__)
+#define OPSYS "Solaris"
+#else
+#define OPSYS "SunOS"
+#endif
+#endif
+
+#if defined(__HAIKU__)
+#define OPSYS "Haiku"
+#endif
+
+/* Detect CPUs */
+#if defined(__alpha__) || defined(__alpha)
+#define CPUINFO "Alpha"
+#endif
+
+#if defined(__x86_64__) || defined(__x86_64) || defined(__amd64__) || defined(__amd64) || defined(_M_X64)
+#define CPUINFO "AMD64"
+#endif
+
+#if defined(__arm__) || defined(__thumb__) || defined(_ARM) || defined(__TARGET_ARCH_ARM)
+#define CPUINFO "ARM"
+#endif
+
+#if defined(__i386__) || defined(__i386) || defined(i386) || defined(_M_IX86) || defined(__X86__) || defined(_X86_) || defined(__I86__) || defined(__INTEL__) || defined(__THW_INTEL__)
+#define CPUINFO "i386"
+#endif
+
+#if defined(__ia64__) || defined(_IA64) || defined(__IA64__) || defined(__ia64) || defined(_M_IA64)
+#define CPUINFO "IA64"
+#endif
+
+#if defined(__hppa__) || defined(__hppa)
+#define CPUINFO "PARISC"
+#endif
+
+#if defined(__m68k__) || defined(M68000)
+#define CPUINFO "M68K"
+#endif
+
+#if defined(__mips__) || defined(mips) || defined(__mips) || defined(__MIPS__)
+#define CPUINFO "MIPS"
+#endif
+
+#if defined(__POWERPC__) || defined(__ppc__) || defined(_ARCH_PPC) || defined(__powerpc) || defined(__powerpc__)
+#define CPUINFO "PowerPC"
+#endif
+
+#if defined(__sparc__) || defined(__sparc)
+#define CPUINFO "SPARC"
+#endif
+
+#if defined(__sh__)
+#define CPUINFO "SuperH"
+#endif
+
+/* Misc */
 #ifdef MSG_NOSIGNAL
 #define UHUB_SEND_SIGNAL MSG_NOSIGNAL
 #else

version.h

@@ -2,16 +2,18 @@
 #define PRODUCT "uHub"
 #endif
 
-#ifndef GIT_REVISION
+#ifndef VERSION
-#define REVISION ""
+#define VERSION "0.3.0"
-#else
-#define REVISION " (git: " GIT_REVISION ")"
 #endif
 
-#ifndef VERSION
+#ifndef GIT_REVISION
-#define VERSION "0.3.0" REVISION
+#define REVISION ""
+#define PRODUCT_STRING PRODUCT "/" VERSION
+#else
+#define REVISION "(git: " GIT_REVISION ")"
+#define PRODUCT_STRING PRODUCT "/" VERSION " " REVISION
 #endif
 
 #ifndef COPYRIGHT
-#define COPYRIGHT "Copyright (c) 2007-2009, Jan Vidar Krey <janvidar@extatic.org>"
+#define COPYRIGHT "Copyright (c) 2007-2010, Jan Vidar Krey <janvidar@extatic.org>"
 #endif