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-rw-r--r--src/bin/psql/command.c109
1 files changed, 108 insertions, 1 deletions
diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index e6167d7ee00..ec62e33f419 100644
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2008, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.191 2008/06/26 01:35:45 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.192 2008/07/01 00:08:18 momjian Exp $
*/
#include "postgres_fe.h"
#include "command.h"
@@ -29,6 +29,9 @@
#include <sys/types.h> /* for umask() */
#include <sys/stat.h> /* for stat() */
#endif
+#ifdef USE_SSL
+#include <openssl/ssl.h>
+#endif
#include "portability/instr_time.h"
@@ -57,6 +60,15 @@ static bool do_edit(const char *filename_arg, PQExpBuffer query_buf);
static bool do_connect(char *dbname, char *user, char *host, char *port);
static bool do_shell(const char *command);
+#ifdef USE_SSL
+static void printSSLInfo(void);
+#endif
+
+#ifdef WIN32
+static void checkWin32Codepage(void);
+#endif
+
+
/*----------
* HandleSlashCmds:
@@ -1185,6 +1197,7 @@ do_connect(char *dbname, char *user, char *host, char *port)
* Replace the old connection with the new one, and update
* connection-dependent variables.
*/
+ connection_warnings();
PQsetNoticeProcessor(n_conn, NoticeProcessor, NULL);
pset.db = n_conn;
SyncVariables();
@@ -1212,6 +1225,100 @@ do_connect(char *dbname, char *user, char *host, char *port)
}
+void
+connection_warnings(void)
+{
+ if (!pset.quiet && !pset.notty)
+ {
+ int client_ver = parse_version(PG_VERSION);
+
+ if (pset.sversion != client_ver)
+ {
+ const char *server_version;
+ char server_ver_str[16];
+
+ /* Try to get full text form, might include "devel" etc */
+ server_version = PQparameterStatus(pset.db, "server_version");
+ if (!server_version)
+ {
+ snprintf(server_ver_str, sizeof(server_ver_str),
+ "%d.%d.%d",
+ pset.sversion / 10000,
+ (pset.sversion / 100) % 100,
+ pset.sversion % 100);
+ server_version = server_ver_str;
+ }
+
+ printf(_("%s (%s, server %s)\n"),
+ pset.progname, PG_VERSION, server_version);
+ }
+ else
+ printf("%s (%s)\n", pset.progname, PG_VERSION);
+
+ if (pset.sversion / 100 != client_ver / 100)
+ printf(_("WARNING: %s version %d.%d, server version %d.%d.\n"
+ " Some psql features might not work.\n"),
+ pset.progname, client_ver / 10000, (client_ver / 100) % 100,
+ pset.sversion / 10000, (pset.sversion / 100) % 100);
+
+#ifdef WIN32
+ checkWin32Codepage();
+#endif
+#ifdef USE_SSL
+ printSSLInfo();
+#endif
+ }
+}
+
+
+/*
+ * printSSLInfo
+ *
+ * Prints information about the current SSL connection, if SSL is in use
+ */
+#ifdef USE_SSL
+static void
+printSSLInfo(void)
+{
+ int sslbits = -1;
+ SSL *ssl;
+
+ ssl = PQgetssl(pset.db);
+ if (!ssl)
+ return; /* no SSL */
+
+ SSL_get_cipher_bits(ssl, &sslbits);
+ printf(_("SSL connection (cipher: %s, bits: %i)\n"),
+ SSL_get_cipher(ssl), sslbits);
+}
+#endif
+
+
+/*
+ * checkWin32Codepage
+ *
+ * Prints a warning when win32 console codepage differs from Windows codepage
+ */
+#ifdef WIN32
+static void
+checkWin32Codepage(void)
+{
+ unsigned int wincp,
+ concp;
+
+ wincp = GetACP();
+ concp = GetConsoleCP();
+ if (wincp != concp)
+ {
+ printf(_("WARNING: Console code page (%u) differs from Windows code page (%u)\n"
+ " 8-bit characters might not work correctly. See psql reference\n"
+ " page \"Notes for Windows users\" for details.\n"),
+ concp, wincp);
+ }
+}
+#endif
+
+
/*
* SyncVariables
*