709 lines
15 KiB
C
709 lines
15 KiB
C
/*
|
|
* psql - the PostgreSQL interactive terminal
|
|
*
|
|
* Copyright (c) 2000-2005, PostgreSQL Global Development Group
|
|
*
|
|
* $PostgreSQL: pgsql/src/bin/psql/startup.c,v 1.120 2005/07/25 17:17:41 momjian Exp $
|
|
*/
|
|
#include "postgres_fe.h"
|
|
|
|
#include <sys/types.h>
|
|
|
|
#ifndef WIN32
|
|
#include <unistd.h>
|
|
#else /* WIN32 */
|
|
#include <io.h>
|
|
#include <win32.h>
|
|
#endif /* WIN32 */
|
|
|
|
#include "getopt_long.h"
|
|
|
|
#ifndef HAVE_INT_OPTRESET
|
|
int optreset;
|
|
#endif
|
|
|
|
#include <locale.h>
|
|
|
|
#include "libpq-fe.h"
|
|
|
|
#include "command.h"
|
|
#include "common.h"
|
|
#include "describe.h"
|
|
#include "help.h"
|
|
#include "input.h"
|
|
#include "mainloop.h"
|
|
#include "print.h"
|
|
#include "settings.h"
|
|
#include "variables.h"
|
|
|
|
#include "mb/pg_wchar.h"
|
|
|
|
|
|
/*
|
|
* Global psql options
|
|
*/
|
|
PsqlSettings pset;
|
|
|
|
#ifndef WIN32
|
|
#define SYSPSQLRC "psqlrc"
|
|
#define PSQLRC ".psqlrc"
|
|
#else
|
|
#define SYSPSQLRC "psqlrc"
|
|
#define PSQLRC "psqlrc.conf"
|
|
#endif
|
|
|
|
/*
|
|
* Structures to pass information between the option parsing routine
|
|
* and the main function
|
|
*/
|
|
enum _actions
|
|
{
|
|
ACT_NOTHING = 0,
|
|
ACT_SINGLE_SLASH,
|
|
ACT_LIST_DB,
|
|
ACT_SINGLE_QUERY,
|
|
ACT_FILE
|
|
};
|
|
|
|
struct adhoc_opts
|
|
{
|
|
char *dbname;
|
|
char *host;
|
|
char *port;
|
|
char *username;
|
|
char *logfilename;
|
|
enum _actions action;
|
|
char *action_string;
|
|
bool no_readline;
|
|
bool no_psqlrc;
|
|
};
|
|
|
|
static void parse_psql_options(int argc, char *argv[],
|
|
struct adhoc_opts * options);
|
|
static void process_psqlrc(char *argv0);
|
|
static void process_psqlrc_file(char *filename);
|
|
static void showVersion(void);
|
|
|
|
#ifdef USE_SSL
|
|
static void printSSLInfo(void);
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
static void
|
|
checkWin32Codepage(void);
|
|
#endif
|
|
|
|
/*
|
|
*
|
|
* main
|
|
*
|
|
*/
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct adhoc_opts options;
|
|
int successResult;
|
|
|
|
char *username = NULL;
|
|
char *password = NULL;
|
|
char *password_prompt = NULL;
|
|
bool need_pass;
|
|
|
|
set_pglocale_pgservice(argv[0], "psql");
|
|
|
|
if (argc > 1)
|
|
{
|
|
if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
|
|
{
|
|
usage();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
|
|
{
|
|
showVersion();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
}
|
|
|
|
pset.progname = get_progname(argv[0]);
|
|
|
|
#ifdef WIN32
|
|
setvbuf(stderr, NULL, _IONBF, 0);
|
|
setup_win32_locks();
|
|
#endif
|
|
setDecimalLocale();
|
|
pset.cur_cmd_source = stdin;
|
|
pset.cur_cmd_interactive = false;
|
|
pset.encoding = PQenv2encoding();
|
|
|
|
pset.vars = CreateVariableSpace();
|
|
if (!pset.vars)
|
|
{
|
|
fprintf(stderr, _("%s: out of memory\n"), pset.progname);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
pset.popt.topt.format = PRINT_ALIGNED;
|
|
pset.queryFout = stdout;
|
|
pset.popt.topt.border = 1;
|
|
pset.popt.topt.pager = 1;
|
|
pset.popt.topt.normal_query = false;
|
|
pset.popt.default_footer = true;
|
|
|
|
SetVariable(pset.vars, "VERSION", PG_VERSION_STR);
|
|
|
|
/* Default values for variables */
|
|
SetVariableBool(pset.vars, "AUTOCOMMIT");
|
|
SetVariable(pset.vars, "VERBOSITY", "default");
|
|
SetVariable(pset.vars, "PROMPT1", DEFAULT_PROMPT1);
|
|
SetVariable(pset.vars, "PROMPT2", DEFAULT_PROMPT2);
|
|
SetVariable(pset.vars, "PROMPT3", DEFAULT_PROMPT3);
|
|
|
|
pset.verbosity = PQERRORS_DEFAULT;
|
|
|
|
pset.notty = (!isatty(fileno(stdin)) || !isatty(fileno(stdout)));
|
|
|
|
/* This is obsolete and should be removed sometime. */
|
|
#ifdef PSQL_ALWAYS_GET_PASSWORDS
|
|
pset.getPassword = true;
|
|
#else
|
|
pset.getPassword = false;
|
|
#endif
|
|
|
|
parse_psql_options(argc, argv, &options);
|
|
|
|
if (!pset.popt.topt.fieldSep)
|
|
pset.popt.topt.fieldSep = pg_strdup(DEFAULT_FIELD_SEP);
|
|
if (!pset.popt.topt.recordSep)
|
|
pset.popt.topt.recordSep = pg_strdup(DEFAULT_RECORD_SEP);
|
|
|
|
if (options.username)
|
|
{
|
|
/*
|
|
* The \001 is a hack to support the deprecated -u option which
|
|
* issues a username prompt. The recommended option is -U followed
|
|
* by the name on the command line.
|
|
*/
|
|
if (strcmp(options.username, "\001") == 0)
|
|
username = simple_prompt("User name: ", 100, true);
|
|
else
|
|
username = pg_strdup(options.username);
|
|
}
|
|
|
|
if (options.username == NULL)
|
|
password_prompt = strdup("Password: ");
|
|
else
|
|
{
|
|
password_prompt = malloc(strlen("Password for user %s: ") - 2 +
|
|
strlen(options.username) + 1);
|
|
sprintf(password_prompt,"Password for user %s: ", options.username);
|
|
}
|
|
|
|
if (pset.getPassword)
|
|
password = simple_prompt(password_prompt, 100, false);
|
|
|
|
/* loop until we have a password if requested by backend */
|
|
do
|
|
{
|
|
need_pass = false;
|
|
pset.db = PQsetdbLogin(options.host, options.port, NULL, NULL,
|
|
options.action == ACT_LIST_DB ? "postgres" : options.dbname,
|
|
username, password);
|
|
|
|
if (PQstatus(pset.db) == CONNECTION_BAD &&
|
|
strcmp(PQerrorMessage(pset.db), PQnoPasswordSupplied) == 0 &&
|
|
!feof(stdin))
|
|
{
|
|
PQfinish(pset.db);
|
|
need_pass = true;
|
|
free(password);
|
|
password = NULL;
|
|
password = simple_prompt(password_prompt, 100, false);
|
|
}
|
|
} while (need_pass);
|
|
|
|
free(username);
|
|
free(password);
|
|
free(password_prompt);
|
|
|
|
if (PQstatus(pset.db) == CONNECTION_BAD)
|
|
{
|
|
fprintf(stderr, "%s: %s", pset.progname, PQerrorMessage(pset.db));
|
|
PQfinish(pset.db);
|
|
exit(EXIT_BADCONN);
|
|
}
|
|
|
|
PQsetNoticeProcessor(pset.db, NoticeProcessor, NULL);
|
|
|
|
SyncVariables();
|
|
|
|
/* Grab the backend server version */
|
|
pset.sversion = PQserverVersion(pset.db);
|
|
|
|
if (options.action == ACT_LIST_DB)
|
|
{
|
|
int success = listAllDbs(false);
|
|
|
|
PQfinish(pset.db);
|
|
exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
|
|
}
|
|
|
|
if (options.logfilename)
|
|
{
|
|
pset.logfile = fopen(options.logfilename, "a");
|
|
if (!pset.logfile)
|
|
fprintf(stderr, gettext("logfile open failed for %s\n\n"), options.logfilename);
|
|
}
|
|
|
|
/*
|
|
* Now find something to do
|
|
*/
|
|
|
|
/*
|
|
* process file given by -f
|
|
*/
|
|
if (options.action == ACT_FILE && strcmp(options.action_string, "-") != 0)
|
|
{
|
|
if (!options.no_psqlrc)
|
|
process_psqlrc(argv[0]);
|
|
|
|
successResult = process_file(options.action_string);
|
|
}
|
|
|
|
/*
|
|
* process slash command if one was given to -c
|
|
*/
|
|
else if (options.action == ACT_SINGLE_SLASH)
|
|
{
|
|
PsqlScanState scan_state;
|
|
|
|
if (VariableEquals(pset.vars, "ECHO", "all"))
|
|
puts(options.action_string);
|
|
|
|
scan_state = psql_scan_create();
|
|
psql_scan_setup(scan_state,
|
|
options.action_string,
|
|
strlen(options.action_string));
|
|
|
|
successResult = HandleSlashCmds(scan_state, NULL) != CMD_ERROR
|
|
? EXIT_SUCCESS : EXIT_FAILURE;
|
|
|
|
psql_scan_destroy(scan_state);
|
|
}
|
|
|
|
/*
|
|
* If the query given to -c was a normal one, send it
|
|
*/
|
|
else if (options.action == ACT_SINGLE_QUERY)
|
|
{
|
|
if (VariableEquals(pset.vars, "ECHO", "all"))
|
|
puts(options.action_string);
|
|
|
|
successResult = SendQuery(options.action_string)
|
|
? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
/*
|
|
* or otherwise enter interactive main loop
|
|
*/
|
|
else
|
|
{
|
|
if (!options.no_psqlrc)
|
|
process_psqlrc(argv[0]);
|
|
|
|
if (!QUIET() && !pset.notty)
|
|
{
|
|
printf(_("Welcome to %s %s, the PostgreSQL interactive terminal.\n\n"
|
|
"Type: \\copyright for distribution terms\n"
|
|
" \\h for help with SQL commands\n"
|
|
" \\? for help with psql commands\n"
|
|
" \\g or terminate with semicolon to execute query\n"
|
|
" \\q to quit\n\n"),
|
|
pset.progname, PG_VERSION);
|
|
#ifdef USE_SSL
|
|
printSSLInfo();
|
|
#endif
|
|
#ifdef WIN32
|
|
checkWin32Codepage();
|
|
#endif
|
|
}
|
|
|
|
if (!pset.notty)
|
|
initializeInput(options.no_readline ? 0 : 1);
|
|
if (options.action_string) /* -f - was used */
|
|
pset.inputfile = "<stdin>";
|
|
|
|
successResult = MainLoop(stdin);
|
|
}
|
|
|
|
/* clean up */
|
|
if (pset.logfile)
|
|
fclose(pset.logfile);
|
|
PQfinish(pset.db);
|
|
setQFout(NULL);
|
|
|
|
return successResult;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Parse command line options
|
|
*/
|
|
|
|
static void
|
|
parse_psql_options(int argc, char *argv[], struct adhoc_opts * options)
|
|
{
|
|
static struct option long_options[] =
|
|
{
|
|
{"echo-all", no_argument, NULL, 'a'},
|
|
{"no-align", no_argument, NULL, 'A'},
|
|
{"command", required_argument, NULL, 'c'},
|
|
{"dbname", required_argument, NULL, 'd'},
|
|
{"echo-queries", no_argument, NULL, 'e'},
|
|
{"echo-hidden", no_argument, NULL, 'E'},
|
|
{"file", required_argument, NULL, 'f'},
|
|
{"field-separator", required_argument, NULL, 'F'},
|
|
{"host", required_argument, NULL, 'h'},
|
|
{"html", no_argument, NULL, 'H'},
|
|
{"list", no_argument, NULL, 'l'},
|
|
{"log", required_argument, NULL, 'L'},
|
|
{"no-readline", no_argument, NULL, 'n'},
|
|
{"output", required_argument, NULL, 'o'},
|
|
{"port", required_argument, NULL, 'p'},
|
|
{"pset", required_argument, NULL, 'P'},
|
|
{"quiet", no_argument, NULL, 'q'},
|
|
{"record-separator", required_argument, NULL, 'R'},
|
|
{"single-step", no_argument, NULL, 's'},
|
|
{"single-line", no_argument, NULL, 'S'},
|
|
{"tuples-only", no_argument, NULL, 't'},
|
|
{"table-attr", required_argument, NULL, 'T'},
|
|
{"username", required_argument, NULL, 'U'},
|
|
{"set", required_argument, NULL, 'v'},
|
|
{"variable", required_argument, NULL, 'v'},
|
|
{"version", no_argument, NULL, 'V'},
|
|
{"password", no_argument, NULL, 'W'},
|
|
{"expanded", no_argument, NULL, 'x'},
|
|
{"no-psqlrc", no_argument, NULL, 'X'},
|
|
{"help", no_argument, NULL, '?'},
|
|
{NULL, 0, NULL, 0}
|
|
};
|
|
|
|
int optindex;
|
|
extern char *optarg;
|
|
extern int optind;
|
|
int c;
|
|
bool used_old_u_option = false;
|
|
|
|
memset(options, 0, sizeof *options);
|
|
|
|
while ((c = getopt_long(argc, argv, "aAc:d:eEf:F:h:HlL:no:p:P:qR:sStT:uU:v:VWxX?",
|
|
long_options, &optindex)) != -1)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 'a':
|
|
SetVariable(pset.vars, "ECHO", "all");
|
|
break;
|
|
case 'A':
|
|
pset.popt.topt.format = PRINT_UNALIGNED;
|
|
break;
|
|
case 'c':
|
|
options->action_string = optarg;
|
|
if (optarg[0] == '\\')
|
|
{
|
|
options->action = ACT_SINGLE_SLASH;
|
|
options->action_string++;
|
|
}
|
|
else
|
|
options->action = ACT_SINGLE_QUERY;
|
|
break;
|
|
case 'd':
|
|
options->dbname = optarg;
|
|
break;
|
|
case 'e':
|
|
SetVariable(pset.vars, "ECHO", "queries");
|
|
break;
|
|
case 'E':
|
|
SetVariableBool(pset.vars, "ECHO_HIDDEN");
|
|
break;
|
|
case 'f':
|
|
options->action = ACT_FILE;
|
|
options->action_string = optarg;
|
|
break;
|
|
case 'F':
|
|
pset.popt.topt.fieldSep = pg_strdup(optarg);
|
|
break;
|
|
case 'h':
|
|
options->host = optarg;
|
|
break;
|
|
case 'H':
|
|
pset.popt.topt.format = PRINT_HTML;
|
|
break;
|
|
case 'l':
|
|
options->action = ACT_LIST_DB;
|
|
break;
|
|
case 'L':
|
|
options->logfilename = optarg;
|
|
break;
|
|
case 'n':
|
|
options->no_readline = true;
|
|
break;
|
|
case 'o':
|
|
setQFout(optarg);
|
|
break;
|
|
case 'p':
|
|
options->port = optarg;
|
|
break;
|
|
case 'P':
|
|
{
|
|
char *value;
|
|
char *equal_loc;
|
|
bool result;
|
|
|
|
value = pg_strdup(optarg);
|
|
equal_loc = strchr(value, '=');
|
|
if (!equal_loc)
|
|
result = do_pset(value, NULL, &pset.popt, true);
|
|
else
|
|
{
|
|
*equal_loc = '\0';
|
|
result = do_pset(value, equal_loc + 1, &pset.popt, true);
|
|
}
|
|
|
|
if (!result)
|
|
{
|
|
fprintf(stderr, _("%s: couldn't set printing parameter \"%s\"\n"), pset.progname, value);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
free(value);
|
|
break;
|
|
}
|
|
case 'q':
|
|
SetVariableBool(pset.vars, "QUIET");
|
|
break;
|
|
case 'R':
|
|
pset.popt.topt.recordSep = pg_strdup(optarg);
|
|
break;
|
|
case 's':
|
|
SetVariableBool(pset.vars, "SINGLESTEP");
|
|
break;
|
|
case 'S':
|
|
SetVariableBool(pset.vars, "SINGLELINE");
|
|
break;
|
|
case 't':
|
|
pset.popt.topt.tuples_only = true;
|
|
break;
|
|
case 'T':
|
|
pset.popt.topt.tableAttr = pg_strdup(optarg);
|
|
break;
|
|
case 'u':
|
|
pset.getPassword = true;
|
|
options->username = "\001"; /* hopefully nobody has
|
|
* that username */
|
|
/* this option is out */
|
|
used_old_u_option = true;
|
|
break;
|
|
case 'U':
|
|
options->username = optarg;
|
|
break;
|
|
case 'v':
|
|
{
|
|
char *value;
|
|
char *equal_loc;
|
|
|
|
value = pg_strdup(optarg);
|
|
equal_loc = strchr(value, '=');
|
|
if (!equal_loc)
|
|
{
|
|
if (!DeleteVariable(pset.vars, value))
|
|
{
|
|
fprintf(stderr, _("%s: could not delete variable \"%s\"\n"),
|
|
pset.progname, value);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*equal_loc = '\0';
|
|
if (!SetVariable(pset.vars, value, equal_loc + 1))
|
|
{
|
|
fprintf(stderr, _("%s: could not set variable \"%s\"\n"),
|
|
pset.progname, value);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
free(value);
|
|
break;
|
|
}
|
|
case 'V':
|
|
showVersion();
|
|
exit(EXIT_SUCCESS);
|
|
case 'W':
|
|
pset.getPassword = true;
|
|
break;
|
|
case 'x':
|
|
pset.popt.topt.expanded = true;
|
|
break;
|
|
case 'X':
|
|
options->no_psqlrc = true;
|
|
break;
|
|
case '?':
|
|
/* Actual help option given */
|
|
if (strcmp(argv[optind - 1], "-?") == 0 || strcmp(argv[optind - 1], "--help") == 0)
|
|
{
|
|
usage();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
/* unknown option reported by getopt */
|
|
else
|
|
{
|
|
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
|
|
pset.progname);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
break;
|
|
default:
|
|
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
|
|
pset.progname);
|
|
exit(EXIT_FAILURE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* if we still have arguments, use it as the database name and
|
|
* username
|
|
*/
|
|
while (argc - optind >= 1)
|
|
{
|
|
if (!options->dbname)
|
|
options->dbname = argv[optind];
|
|
else if (!options->username)
|
|
options->username = argv[optind];
|
|
else if (!QUIET())
|
|
fprintf(stderr, _("%s: warning: extra command-line argument \"%s\" ignored\n"),
|
|
pset.progname, argv[optind]);
|
|
|
|
optind++;
|
|
}
|
|
|
|
if (used_old_u_option && !QUIET())
|
|
fprintf(stderr, _("%s: Warning: The -u option is deprecated. Use -U.\n"), pset.progname);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Load .psqlrc file, if found.
|
|
*/
|
|
static void
|
|
process_psqlrc(char *argv0)
|
|
{
|
|
char home[MAXPGPATH];
|
|
char rc_file[MAXPGPATH];
|
|
char my_exec_path[MAXPGPATH];
|
|
char etc_path[MAXPGPATH];
|
|
|
|
find_my_exec(argv0, my_exec_path);
|
|
get_etc_path(my_exec_path, etc_path);
|
|
|
|
snprintf(rc_file, MAXPGPATH, "%s/%s", etc_path, SYSPSQLRC);
|
|
process_psqlrc_file(rc_file);
|
|
|
|
if (get_home_path(home))
|
|
{
|
|
snprintf(rc_file, MAXPGPATH, "%s/%s", home, PSQLRC);
|
|
process_psqlrc_file(rc_file);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
process_psqlrc_file(char *filename)
|
|
{
|
|
char *psqlrc;
|
|
|
|
#if defined(WIN32) && (!defined(__MINGW32__))
|
|
#define R_OK 4
|
|
#endif
|
|
|
|
psqlrc = pg_malloc(strlen(filename) + 1 + strlen(PG_VERSION) + 1);
|
|
sprintf(psqlrc, "%s-%s", filename, PG_VERSION);
|
|
|
|
if (access(psqlrc, R_OK) == 0)
|
|
process_file(psqlrc);
|
|
else if (access(filename, R_OK) == 0)
|
|
process_file(filename);
|
|
free(psqlrc);
|
|
}
|
|
|
|
|
|
|
|
/* showVersion
|
|
*
|
|
* This output format is intended to match GNU standards.
|
|
*/
|
|
static void
|
|
showVersion(void)
|
|
{
|
|
puts("psql (PostgreSQL) " PG_VERSION);
|
|
|
|
#if defined(USE_READLINE)
|
|
puts(_("contains support for command-line editing"));
|
|
#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\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 may not work correctly. See psql reference\n"
|
|
" page \"Notes for Windows users\" for details.\n\n"),
|
|
concp, wincp);
|
|
}
|
|
}
|
|
|
|
#endif
|