mirror of
https://github.com/postgres/postgres.git
synced 2025-04-22 23:02:54 +03:00
Issue psql connection warnings on connection start and via \c, per
observation by David Fetter.
This commit is contained in:
Bruce Momjian
parent
6b797c852b
commit
92d1cc8973
@ -3,7 +3,7 @@
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*
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* Copyright (c) 2000-2008, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.191 2008/06/26 01:35:45 momjian Exp $
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* $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.192 2008/07/01 00:08:18 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include "command.h"
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@ -29,6 +29,9 @@
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#include <sys/types.h> /* for umask() */
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#include <sys/stat.h> /* for stat() */
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#endif
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#ifdef USE_SSL
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#include <openssl/ssl.h>
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#endif
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#include "portability/instr_time.h"
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@ -57,6 +60,15 @@ static bool do_edit(const char *filename_arg, PQExpBuffer query_buf);
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static bool do_connect(char *dbname, char *user, char *host, char *port);
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static bool do_shell(const char *command);
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#ifdef USE_SSL
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static void printSSLInfo(void);
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#endif
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#ifdef WIN32
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static void checkWin32Codepage(void);
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#endif
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/*----------
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* HandleSlashCmds:
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@ -1185,6 +1197,7 @@ do_connect(char *dbname, char *user, char *host, char *port)
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* Replace the old connection with the new one, and update
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* connection-dependent variables.
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*/
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connection_warnings();
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PQsetNoticeProcessor(n_conn, NoticeProcessor, NULL);
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pset.db = n_conn;
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SyncVariables();
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@ -1212,6 +1225,100 @@ do_connect(char *dbname, char *user, char *host, char *port)
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}
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void
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connection_warnings(void)
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{
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if (!pset.quiet && !pset.notty)
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{
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int client_ver = parse_version(PG_VERSION);
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if (pset.sversion != client_ver)
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{
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const char *server_version;
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char server_ver_str[16];
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/* Try to get full text form, might include "devel" etc */
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server_version = PQparameterStatus(pset.db, "server_version");
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if (!server_version)
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{
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snprintf(server_ver_str, sizeof(server_ver_str),
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"%d.%d.%d",
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pset.sversion / 10000,
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(pset.sversion / 100) % 100,
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pset.sversion % 100);
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server_version = server_ver_str;
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}
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printf(_("%s (%s, server %s)\n"),
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pset.progname, PG_VERSION, server_version);
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}
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else
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printf("%s (%s)\n", pset.progname, PG_VERSION);
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if (pset.sversion / 100 != client_ver / 100)
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printf(_("WARNING: %s version %d.%d, server version %d.%d.\n"
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" Some psql features might not work.\n"),
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pset.progname, client_ver / 10000, (client_ver / 100) % 100,
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pset.sversion / 10000, (pset.sversion / 100) % 100);
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#ifdef WIN32
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checkWin32Codepage();
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#endif
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#ifdef USE_SSL
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printSSLInfo();
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#endif
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}
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}
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/*
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* printSSLInfo
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*
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* Prints information about the current SSL connection, if SSL is in use
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*/
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#ifdef USE_SSL
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static void
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printSSLInfo(void)
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{
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int sslbits = -1;
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SSL *ssl;
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ssl = PQgetssl(pset.db);
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if (!ssl)
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return; /* no SSL */
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SSL_get_cipher_bits(ssl, &sslbits);
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printf(_("SSL connection (cipher: %s, bits: %i)\n"),
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SSL_get_cipher(ssl), sslbits);
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}
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#endif
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/*
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* checkWin32Codepage
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*
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* Prints a warning when win32 console codepage differs from Windows codepage
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*/
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#ifdef WIN32
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static void
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checkWin32Codepage(void)
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{
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unsigned int wincp,
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concp;
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wincp = GetACP();
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concp = GetConsoleCP();
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if (wincp != concp)
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{
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printf(_("WARNING: Console code page (%u) differs from Windows code page (%u)\n"
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" 8-bit characters might not work correctly. See psql reference\n"
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" page \"Notes for Windows users\" for details.\n"),
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concp, wincp);
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}
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}
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#endif
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/*
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* SyncVariables
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*
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@ -3,7 +3,7 @@
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*
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* Copyright (c) 2000-2008, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/bin/psql/command.h,v 1.30 2008/01/01 19:45:55 momjian Exp $
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* $PostgreSQL: pgsql/src/bin/psql/command.h,v 1.31 2008/07/01 00:08:18 momjian Exp $
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*/
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#ifndef COMMAND_H
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#define COMMAND_H
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@ -34,6 +34,8 @@ extern bool do_pset(const char *param,
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printQueryOpt *popt,
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bool quiet);
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extern void connection_warnings(void);
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extern void SyncVariables(void);
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extern void UnsyncVariables(void);
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@ -3,14 +3,11 @@
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*
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* Copyright (c) 2000-2008, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/bin/psql/startup.c,v 1.148 2008/05/16 17:17:00 momjian Exp $
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* $PostgreSQL: pgsql/src/bin/psql/startup.c,v 1.149 2008/07/01 00:08:18 momjian Exp $
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*/
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#include "postgres_fe.h"
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#include <sys/types.h>
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#ifdef USE_SSL
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#include <openssl/ssl.h>
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#endif
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#ifndef WIN32
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#include <unistd.h>
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@ -78,7 +75,6 @@ struct adhoc_opts
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bool single_txn;
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};
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static int parse_version(const char *versionString);
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static void parse_psql_options(int argc, char *argv[],
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struct adhoc_opts * options);
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static void process_psqlrc(char *argv0);
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@ -86,14 +82,6 @@ static void process_psqlrc_file(char *filename);
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static void showVersion(void);
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static void EstablishVariableSpace(void);
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#ifdef USE_SSL
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static void printSSLInfo(void);
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#endif
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#ifdef WIN32
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static void checkWin32Codepage(void);
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#endif
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/*
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*
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* main
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@ -296,49 +284,9 @@ main(int argc, char *argv[])
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if (!options.no_psqlrc)
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process_psqlrc(argv[0]);
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connection_warnings();
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if (!pset.quiet && !pset.notty)
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{
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int client_ver = parse_version(PG_VERSION);
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if (pset.sversion != client_ver)
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{
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const char *server_version;
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char server_ver_str[16];
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/* Try to get full text form, might include "devel" etc */
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server_version = PQparameterStatus(pset.db, "server_version");
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if (!server_version)
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{
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snprintf(server_ver_str, sizeof(server_ver_str),
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"%d.%d.%d",
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pset.sversion / 10000,
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(pset.sversion / 100) % 100,
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pset.sversion % 100);
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server_version = server_ver_str;
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}
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printf(_("%s (%s, server %s)\n"),
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pset.progname, PG_VERSION, server_version);
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}
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else
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printf("%s (%s)\n", pset.progname, PG_VERSION);
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if (pset.sversion / 100 != client_ver / 100)
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printf(_("WARNING: %s version %d.%d, server version %d.%d.\n"
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" Some psql features might not work.\n"),
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pset.progname, client_ver / 10000, (client_ver / 100) % 100,
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pset.sversion / 10000, (pset.sversion / 100) % 100);
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#ifdef WIN32
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checkWin32Codepage();
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#endif
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#ifdef USE_SSL
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printSSLInfo();
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#endif
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printf(_("Type \"help\" for help.\n\n"));
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}
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if (!pset.notty)
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initializeInput(options.no_readline ? 0 : 1);
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if (options.action_string) /* -f - was used */
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@ -357,29 +305,6 @@ main(int argc, char *argv[])
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}
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/*
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* Convert a version string into a number.
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*/
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static int
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parse_version(const char *versionString)
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{
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int cnt;
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int vmaj,
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vmin,
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vrev;
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cnt = sscanf(versionString, "%d.%d.%d", &vmaj, &vmin, &vrev);
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if (cnt < 2)
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return -1;
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if (cnt == 2)
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vrev = 0;
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return (100 * vmaj + vmin) * 100 + vrev;
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}
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/*
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* Parse command line options
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*/
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@ -683,54 +608,6 @@ showVersion(void)
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/*
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* printSSLInfo
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*
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* Prints information about the current SSL connection, if SSL is in use
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*/
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#ifdef USE_SSL
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static void
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printSSLInfo(void)
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{
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int sslbits = -1;
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SSL *ssl;
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ssl = PQgetssl(pset.db);
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if (!ssl)
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return; /* no SSL */
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SSL_get_cipher_bits(ssl, &sslbits);
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printf(_("SSL connection (cipher: %s, bits: %i)\n"),
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SSL_get_cipher(ssl), sslbits);
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}
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#endif
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/*
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* checkWin32Codepage
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*
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* Prints a warning when win32 console codepage differs from Windows codepage
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*/
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#ifdef WIN32
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static void
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checkWin32Codepage(void)
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{
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unsigned int wincp,
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concp;
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wincp = GetACP();
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concp = GetConsoleCP();
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if (wincp != concp)
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{
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printf(_("WARNING: Console code page (%u) differs from Windows code page (%u)\n"
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" 8-bit characters might not work correctly. See psql reference\n"
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" page \"Notes for Windows users\" for details.\n"),
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concp, wincp);
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}
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}
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#endif
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/*
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* Assign hooks for psql variables.
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*
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