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openldap/servers/slapd/config.c

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/* config.c - configuration file handling routines */
#include "portable.h"
#include <stdio.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#include <ac/string.h>
#include <ac/ctype.h>
#include <ac/socket.h>
#include "ldapconfig.h"
#include "slap.h"
#define MAXARGS 100
/*
* defaults for various global variables
*/
int defsize = SLAPD_DEFAULT_SIZELIMIT;
int deftime = SLAPD_DEFAULT_TIMELIMIT;
struct acl *global_acl = NULL;
int global_default_access = ACL_READ;
char *replogfile;
int global_lastmod;
char *ldap_srvtab = "";
char *slapd_pid_file = NULL;
char *slapd_args_file = NULL;
static char *fp_getline(FILE *fp, int *lineno);
static void fp_getline_init(int *lineno);
static int fp_parse_line(char *line, int *argcp, char **argv);
static char *strtok_quote(char *line, char *sep);
int
read_config( char *fname )
{
FILE *fp;
char *line, *savefname;
int cargc, savelineno;
char *cargv[MAXARGS];
int lineno, i;
static BackendInfo *bi = NULL;
static BackendDB *be = NULL;
if ( (fp = fopen( fname, "r" )) == NULL ) {
ldap_syslog = 1;
Debug( LDAP_DEBUG_ANY,
"could not open config file \"%s\" - absolute path?\n",
fname, 0, 0 );
perror( fname );
return 1;
}
Debug( LDAP_DEBUG_CONFIG, "reading config file %s\n", fname, 0, 0 );
fp_getline_init( &lineno );
while ( (line = fp_getline( fp, &lineno )) != NULL ) {
/* skip comments and blank lines */
if ( line[0] == '#' || line[0] == '\0' ) {
continue;
}
Debug( LDAP_DEBUG_CONFIG, "line %d (%s)\n", lineno, line, 0 );
if ( fp_parse_line( line, &cargc, cargv ) != 0 ) {
return( 1 );
}
if ( cargc < 1 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: bad config line (ignored)\n",
fname, lineno, 0 );
continue;
}
if ( strcasecmp( cargv[0], "backend" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing type in \"backend <type>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if( be != NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: backend line must appear before any database definition\n",
fname, lineno, 0 );
return( 1 );
}
bi = backend_info( cargv[1] );
/* start of a new database definition */
} else if ( strcasecmp( cargv[0], "database" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing type in \"database <type>\" line\n",
fname, lineno, 0 );
return( 1 );
}
bi = NULL;
be = backend_db_init( cargv[1] );
/* assign a default depth limit for alias deref */
be->be_maxDerefDepth = SLAPD_DEFAULT_MAXDEREFDEPTH;
/* get pid file name */
} else if ( strcasecmp( cargv[0], "pidfile" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing file name in \"pidfile <file>\" line\n",
fname, lineno, 0 );
return( 1 );
}
slapd_pid_file = ch_strdup( cargv[1] );
/* get args file name */
} else if ( strcasecmp( cargv[0], "argsfile" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing file name in \"argsfile <file>\" line\n",
fname, lineno, 0 );
return( 1 );
}
slapd_args_file = ch_strdup( cargv[1] );
/* set size limit */
} else if ( strcasecmp( cargv[0], "sizelimit" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing limit in \"sizelimit <limit>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
defsize = atoi( cargv[1] );
} else {
be->be_sizelimit = atoi( cargv[1] );
}
/* set time limit */
} else if ( strcasecmp( cargv[0], "timelimit" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing limit in \"timelimit <limit>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
deftime = atoi( cargv[1] );
} else {
be->be_timelimit = atoi( cargv[1] );
}
/* set database suffix */
} else if ( strcasecmp( cargv[0], "suffix" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing dn in \"suffix <dn>\" line\n",
fname, lineno, 0 );
return( 1 );
} else if ( cargc > 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: extra cruft after <dn> in \"suffix %s\" line (ignored)\n",
fname, lineno, cargv[1] );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: suffix line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
char *dn = ch_strdup( cargv[1] );
(void) dn_normalize( dn );
charray_add( &be->be_suffix, dn );
(void) dn_upcase( dn );
charray_add( &be->be_nsuffix, dn );
free( dn );
}
/* set database suffixAlias */
} else if ( strcasecmp( cargv[0], "suffixAlias" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing alias and aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
fname, lineno, 0 );
return( 1 );
} else if ( cargc < 3 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
fname, lineno, 0 );
return( 1 );
} else if ( cargc > 3 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: extra cruft in suffixAlias line (ignored)\n",
fname, lineno, 0 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: suffixAlias line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
char *alias, *aliased_dn;
alias = ch_strdup( cargv[1] );
(void) dn_normalize( alias );
aliased_dn = ch_strdup( cargv[2] );
(void) dn_normalize( aliased_dn );
if ( strcasecmp( alias, aliased_dn) == 0 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: suffixAlias %s is not different from aliased dn (ignored)\n",
fname, lineno, alias );
} else {
(void) dn_normalize_case( alias );
(void) dn_normalize_case( aliased_dn );
charray_add( &be->be_suffixAlias, alias );
charray_add( &be->be_suffixAlias, aliased_dn );
}
free(alias);
free(aliased_dn);
}
/* set max deref depth */
} else if ( strcasecmp( cargv[0], "maxDerefDepth" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing depth in \"maxDerefDepth <depth>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: depth line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
be->be_maxDerefDepth = atoi (cargv[1]);
}
/* set magic "root" dn for this database */
} else if ( strcasecmp( cargv[0], "rootdn" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing dn in \"rootdn <dn>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: rootdn line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
be->be_root_dn = ch_strdup( cargv[1] );
be->be_root_ndn = dn_normalize_case( ch_strdup( cargv[1] ) );
}
/* set super-secret magic database password */
} else if ( strcasecmp( cargv[0], "rootpw" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing passwd in \"rootpw <passwd>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: rootpw line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
be->be_root_pw = ch_strdup( cargv[1] );
}
/* make this database read-only */
} else if ( strcasecmp( cargv[0], "readonly" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing on|off in \"readonly <on|off>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: readonly line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
if ( strcasecmp( cargv[1], "on" ) == 0 ) {
be->be_readonly = 1;
} else {
be->be_readonly = 0;
}
}
/* where to send clients when we don't hold it */
} else if ( strcasecmp( cargv[0], "referral" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing URL in \"referral <URL>\" line\n",
fname, lineno, 0 );
return( 1 );
}
default_referral = (char *) ch_malloc( strlen( cargv[1] )
+ sizeof("Referral:\n") + 1 );
strcpy( default_referral, "Referral:\n" );
strcat( default_referral, cargv[1] );
/* specify locale */
} else if ( strcasecmp( cargv[0], "locale" ) == 0 ) {
#ifdef HAVE_LOCALE_H
char *locale;
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing locale in \"locale <name | on | off>\" line\n",
fname, lineno, 0 );
return( 1 );
}
locale = (strcasecmp( cargv[1], "on" ) == 0 ? ""
: strcasecmp( cargv[1], "off" ) == 0 ? "C"
: ch_strdup( cargv[1] ) );
if ( setlocale( LC_CTYPE, locale ) == 0 ) {
Debug( LDAP_DEBUG_ANY,
(*locale
? "%s: line %d: bad locale \"%s\"\n"
: "%s: line %d: bad locale\n"),
fname, lineno, locale );
return( 1 );
}
#else
Debug( LDAP_DEBUG_ANY,
"%s: line %d: \"locale\" unsupported\n",
fname, lineno, 0 );
return( 1 );
#endif
/* specify an objectclass */
} else if ( strcasecmp( cargv[0], "objectclass" ) == 0 ) {
parse_oc( be, fname, lineno, cargc, cargv );
/* specify an attribute */
} else if ( strcasecmp( cargv[0], "attribute" ) == 0 ) {
attr_syntax_config( fname, lineno, cargc - 1,
&cargv[1] );
/* turn on/off schema checking */
} else if ( strcasecmp( cargv[0], "schemacheck" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing on|off in \"schemacheck <on|off>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( strcasecmp( cargv[1], "off" ) == 0 ) {
global_schemacheck = 0;
} else {
global_schemacheck = 1;
}
/* specify access control info */
} else if ( strcasecmp( cargv[0], "access" ) == 0 ) {
parse_acl( be, fname, lineno, cargc, cargv );
/* specify default access control info */
} else if ( strcasecmp( cargv[0], "defaultaccess" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing limit in \"defaultaccess <access>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
if ( (global_default_access =
str2access( cargv[1] )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
fname, lineno, cargv[1] );
return( 1 );
}
} else {
if ( (be->be_dfltaccess =
str2access( cargv[1] )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
fname, lineno, cargv[1] );
return( 1 );
}
}
/* debug level to log things to syslog */
} else if ( strcasecmp( cargv[0], "loglevel" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing level in \"loglevel <level>\" line\n",
fname, lineno, 0 );
return( 1 );
}
ldap_syslog = atoi( cargv[1] );
/* list of replicas of the data in this backend (master only) */
} else if ( strcasecmp( cargv[0], "replica" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing host in \"replica <host[:port]>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: replica line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
for ( i = 1; i < cargc; i++ ) {
if ( strncasecmp( cargv[i], "host=", 5 )
== 0 ) {
charray_add( &be->be_replica,
cargv[i] + 5 );
break;
}
}
if ( i == cargc ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing host in \"replica\" line (ignored)\n",
fname, lineno, 0 );
}
}
/* dn of master entity allowed to write to replica */
} else if ( strcasecmp( cargv[0], "updatedn" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing dn in \"updatedn <dn>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: updatedn line must appear inside a database definition (ignored)\n",
fname, lineno, 0 );
} else {
be->be_update_ndn = ch_strdup( cargv[1] );
(void) dn_normalize_case( be->be_update_ndn );
}
/* replication log file to which changes are appended */
} else if ( strcasecmp( cargv[0], "replogfile" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing dn in \"replogfile <filename>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( be ) {
be->be_replogfile = ch_strdup( cargv[1] );
} else {
replogfile = ch_strdup( cargv[1] );
}
/* maintain lastmodified{by,time} attributes */
} else if ( strcasecmp( cargv[0], "lastmod" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing on|off in \"lastmod <on|off>\" line\n",
fname, lineno, 0 );
return( 1 );
}
if ( strcasecmp( cargv[1], "on" ) == 0 ) {
if ( be )
be->be_lastmod = ON;
else
global_lastmod = ON;
} else {
if ( be )
be->be_lastmod = OFF;
else
global_lastmod = OFF;
}
/* include another config file */
} else if ( strcasecmp( cargv[0], "include" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing filename in \"include <filename>\" line\n",
fname, lineno, 0 );
return( 1 );
}
savefname = ch_strdup( cargv[1] );
savelineno = lineno;
if ( read_config( savefname ) != 0 ) {
return( 1 );
}
free( savefname );
lineno = savelineno - 1;
/* location of kerberos srvtab file */
} else if ( strcasecmp( cargv[0], "srvtab" ) == 0 ) {
if ( cargc < 2 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing filename in \"srvtab <filename>\" line\n",
fname, lineno, 0 );
return( 1 );
}
ldap_srvtab = ch_strdup( cargv[1] );
/* pass anything else to the current backend info/db config routine */
} else {
if ( bi != NULL ) {
if ( bi->bi_config == 0 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: unknown directive \"%s\" inside backend info definition (ignored)\n",
fname, lineno, cargv[0] );
} else {
if ( (*bi->bi_config)( bi, fname, lineno, cargc, cargv )
!= 0 )
{
return( 1 );
}
}
} else if ( be != NULL ) {
if ( be->be_config == 0 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: unknown directive \"%s\" inside backend database definition (ignored)\n",
fname, lineno, cargv[0] );
} else {
if ( (*be->be_config)( be, fname, lineno, cargc, cargv )
!= 0 )
{
return( 1 );
}
}
} else {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: unknown directive \"%s\" outside backend info and database definitions (ignored)\n",
fname, lineno, cargv[0] );
}
}
}
fclose( fp );
return( 0 );
}
static int
fp_parse_line(
char *line,
int *argcp,
char **argv
)
{
char * token;
*argcp = 0;
for ( token = strtok_quote( line, " \t" ); token != NULL;
token = strtok_quote( NULL, " \t" ) ) {
if ( *argcp == MAXARGS ) {
Debug( LDAP_DEBUG_ANY, "Too many tokens (max %d)\n",
MAXARGS, 0, 0 );
return( 1 );
}
argv[(*argcp)++] = token;
}
argv[*argcp] = NULL;
return 0;
}
static char *
strtok_quote( char *line, char *sep )
{
int inquote;
char *tmp;
static char *next;
if ( line != NULL ) {
next = line;
}
while ( *next && strchr( sep, *next ) ) {
next++;
}
if ( *next == '\0' ) {
next = NULL;
return( NULL );
}
tmp = next;
for ( inquote = 0; *next; ) {
switch ( *next ) {
case '"':
if ( inquote ) {
inquote = 0;
} else {
inquote = 1;
}
SAFEMEMCPY( next, next + 1, strlen( next + 1 ) + 1 );
break;
case '\\':
if ( next[1] )
SAFEMEMCPY( next,
next + 1, strlen( next + 1 ) + 1 );
next++; /* dont parse the escaped character */
break;
default:
if ( ! inquote ) {
if ( strchr( sep, *next ) != NULL ) {
*next++ = '\0';
return( tmp );
}
}
next++;
break;
}
}
return( tmp );
}
static char buf[BUFSIZ];
static char *line;
static int lmax, lcur;
#define CATLINE( buf ) { \
int len; \
len = strlen( buf ); \
while ( lcur + len + 1 > lmax ) { \
lmax += BUFSIZ; \
line = (char *) ch_realloc( line, lmax ); \
} \
strcpy( line + lcur, buf ); \
lcur += len; \
}
static char *
fp_getline( FILE *fp, int *lineno )
{
char *p;
lcur = 0;
CATLINE( buf );
(*lineno)++;
/* hack attack - keeps us from having to keep a stack of bufs... */
if ( strncasecmp( line, "include", 7 ) == 0 ) {
buf[0] = '\0';
return( line );
}
while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
if ( (p = strchr( buf, '\n' )) != NULL ) {
*p = '\0';
}
if ( ! isspace( (unsigned char) buf[0] ) ) {
return( line );
}
CATLINE( buf );
(*lineno)++;
}
buf[0] = '\0';
return( line[0] ? line : NULL );
}
static void
fp_getline_init( int *lineno )
{
*lineno = -1;
buf[0] = '\0';
}
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