mirror of
https://git.openldap.org/openldap/openldap.git
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e2ee741ea8
if strdup fails. This is better than not checking, but we should add orderly shutdown.
561 lines
15 KiB
C
561 lines
15 KiB
C
/* config.c - configuration file handling routines */
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/ctype.h>
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#include <ac/socket.h>
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#include "ldapconfig.h"
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#include "slap.h"
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#define MAXARGS 100
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/*
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* defaults for various global variables
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*/
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int defsize = SLAPD_DEFAULT_SIZELIMIT;
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int deftime = SLAPD_DEFAULT_TIMELIMIT;
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struct acl *global_acl = NULL;
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int global_default_access = ACL_READ;
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char *replogfile;
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int global_lastmod;
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char *ldap_srvtab = "";
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static char *fp_getline(FILE *fp, int *lineno);
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static void fp_getline_init(int *lineno);
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static void fp_parse_line(char *line, int *argcp, char **argv);
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static char *strtok_quote(char *line, char *sep);
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void
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read_config( char *fname, Backend **bep, FILE *pfp )
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{
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FILE *fp;
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char *line, *savefname, *dn;
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int cargc, savelineno;
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char *cargv[MAXARGS];
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int lineno, i;
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Backend *be;
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if ( (fp = pfp) == NULL && (fp = fopen( fname, "r" )) == NULL ) {
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ldap_syslog = 1;
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Debug( LDAP_DEBUG_ANY,
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"could not open config file \"%s\" - absolute path?\n",
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fname, 0, 0 );
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perror( fname );
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exit( 1 );
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}
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Debug( LDAP_DEBUG_CONFIG, "reading config file %s\n", fname, 0, 0 );
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be = *bep;
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fp_getline_init( &lineno );
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while ( (line = fp_getline( fp, &lineno )) != NULL ) {
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/* skip comments and blank lines */
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if ( line[0] == '#' || line[0] == '\0' ) {
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continue;
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}
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Debug( LDAP_DEBUG_CONFIG, "line %d (%s)\n", lineno, line, 0 );
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fp_parse_line( line, &cargc, cargv );
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if ( cargc < 1 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: bad config line (ignored)\n",
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fname, lineno, 0 );
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continue;
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}
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/* start of a new database definition */
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if ( strcasecmp( cargv[0], "database" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing type in \"database <type>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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*bep = new_backend( cargv[1] );
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be = *bep;
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/* assign a default depth limit for alias deref */
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be->be_maxDerefDepth = SLAPD_DEFAULT_MAXDEREFDEPTH;
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/* set size limit */
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} else if ( strcasecmp( cargv[0], "sizelimit" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing limit in \"sizelimit <limit>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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defsize = atoi( cargv[1] );
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} else {
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be->be_sizelimit = atoi( cargv[1] );
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}
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/* set time limit */
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} else if ( strcasecmp( cargv[0], "timelimit" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing limit in \"timelimit <limit>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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deftime = atoi( cargv[1] );
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} else {
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be->be_timelimit = atoi( cargv[1] );
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}
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/* set database suffix */
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} else if ( strcasecmp( cargv[0], "suffix" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing dn in \"suffix <dn>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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} else if ( cargc > 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: extra cruft after <dn> in \"suffix %s\" line (ignored)\n",
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fname, lineno, cargv[1] );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: suffix line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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dn = ch_strdup( cargv[1] );
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(void) dn_normalize( dn );
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charray_add( &be->be_suffix, dn );
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}
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/* set database suffixAlias */
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} else if ( strcasecmp( cargv[0], "suffixAlias" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing alias and aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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} else if ( cargc < 3 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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} else if ( cargc > 3 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: extra cruft in suffixAlias line (ignored)\n",
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fname, lineno, 0 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: suffixAlias line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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dn = ch_strdup( cargv[1] );
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(void) dn_normalize( dn );
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charray_add( &be->be_suffixAlias, dn );
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dn = ch_strdup( cargv[2] );
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(void) dn_normalize( dn );
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charray_add( &be->be_suffixAlias, dn );
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}
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/* set max deref depth */
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} else if ( strcasecmp( cargv[0], "maxDerefDepth" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing depth in \"maxDerefDepth <depth>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: depth line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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be->be_maxDerefDepth = atoi (cargv[1]);
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}
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/* set magic "root" dn for this database */
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} else if ( strcasecmp( cargv[0], "rootdn" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing dn in \"rootdn <dn>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: rootdn line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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dn = ch_strdup( cargv[1] );
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(void) dn_normalize( dn );
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be->be_rootdn = dn;
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}
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/* set super-secret magic database password */
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} else if ( strcasecmp( cargv[0], "rootpw" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing passwd in \"rootpw <passwd>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: rootpw line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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be->be_rootpw = ch_strdup( cargv[1] );
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}
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/* make this database read-only */
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} else if ( strcasecmp( cargv[0], "readonly" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing on|off in \"readonly <on|off>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: readonly line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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if ( strcasecmp( cargv[1], "on" ) == 0 ) {
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be->be_readonly = 1;
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} else {
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be->be_readonly = 0;
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}
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}
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/* where to send clients when we don't hold it */
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} else if ( strcasecmp( cargv[0], "referral" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing URL in \"referral <URL>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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default_referral = (char *) malloc( strlen( cargv[1] )
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+ sizeof("Referral:\n") + 1 );
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strcpy( default_referral, "Referral:\n" );
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strcat( default_referral, cargv[1] );
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/* specify an objectclass */
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} else if ( strcasecmp( cargv[0], "objectclass" ) == 0 ) {
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parse_oc( be, fname, lineno, cargc, cargv );
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/* specify an attribute */
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} else if ( strcasecmp( cargv[0], "attribute" ) == 0 ) {
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attr_syntax_config( fname, lineno, cargc - 1,
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&cargv[1] );
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/* turn on/off schema checking */
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} else if ( strcasecmp( cargv[0], "schemacheck" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing on|off in \"schemacheck <on|off>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( strcasecmp( cargv[1], "on" ) == 0 ) {
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global_schemacheck = 1;
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} else {
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global_schemacheck = 0;
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}
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/* specify access control info */
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} else if ( strcasecmp( cargv[0], "access" ) == 0 ) {
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parse_acl( be, fname, lineno, cargc, cargv );
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/* specify default access control info */
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} else if ( strcasecmp( cargv[0], "defaultaccess" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing limit in \"defaultaccess <access>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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if ( (global_default_access =
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str2access( cargv[1] )) == -1 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
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fname, lineno, cargv[1] );
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exit( 1 );
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}
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} else {
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if ( (be->be_dfltaccess =
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str2access( cargv[1] )) == -1 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
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fname, lineno, cargv[1] );
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exit( 1 );
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}
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}
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/* debug level to log things to syslog */
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} else if ( strcasecmp( cargv[0], "loglevel" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing level in \"loglevel <level>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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ldap_syslog = atoi( cargv[1] );
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/* list of replicas of the data in this backend (master only) */
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} else if ( strcasecmp( cargv[0], "replica" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing host in \"replica <host[:port]>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: replica line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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for ( i = 1; i < cargc; i++ ) {
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if ( strncasecmp( cargv[i], "host=", 5 )
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== 0 ) {
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charray_add( &be->be_replica,
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ch_strdup( cargv[i] + 5 ) );
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break;
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}
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}
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if ( i == cargc ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing host in \"replica\" line (ignored)\n",
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fname, lineno, 0 );
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}
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}
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/* dn of master entity allowed to write to replica */
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} else if ( strcasecmp( cargv[0], "updatedn" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing dn in \"updatedn <dn>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: updatedn line must appear inside a database definition (ignored)\n",
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fname, lineno, 0 );
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} else {
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be->be_updatedn = ch_strdup( cargv[1] );
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(void) dn_normalize( be->be_updatedn );
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}
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/* replication log file to which changes are appended */
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} else if ( strcasecmp( cargv[0], "replogfile" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing dn in \"replogfile <filename>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( be ) {
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be->be_replogfile = ch_strdup( cargv[1] );
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} else {
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replogfile = ch_strdup( cargv[1] );
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}
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/* maintain lastmodified{by,time} attributes */
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} else if ( strcasecmp( cargv[0], "lastmod" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing on|off in \"lastmod <on|off>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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if ( strcasecmp( cargv[1], "on" ) == 0 ) {
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if ( be )
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be->be_lastmod = ON;
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else
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global_lastmod = ON;
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} else {
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if ( be )
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be->be_lastmod = OFF;
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else
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global_lastmod = OFF;
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}
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/* include another config file */
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} else if ( strcasecmp( cargv[0], "include" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing filename in \"include <filename>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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savefname = ch_strdup( cargv[1] );
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savelineno = lineno;
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read_config( savefname, bep, NULL );
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be = *bep;
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free( savefname );
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lineno = savelineno - 1;
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/* location of kerberos srvtab file */
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} else if ( strcasecmp( cargv[0], "srvtab" ) == 0 ) {
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if ( cargc < 2 ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: missing filename in \"srvtab <filename>\" line\n",
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fname, lineno, 0 );
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exit( 1 );
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}
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ldap_srvtab = ch_strdup( cargv[1] );
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/* pass anything else to the current backend config routine */
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} else {
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if ( be == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: unknown directive \"%s\" outside database definition (ignored)\n",
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fname, lineno, cargv[0] );
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} else if ( be->be_config == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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"%s: line %d: unknown directive \"%s\" inside database definition (ignored)\n",
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fname, lineno, cargv[0] );
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} else {
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(*be->be_config)( be, fname, lineno, cargc,
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cargv );
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}
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}
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}
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fclose( fp );
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}
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static void
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fp_parse_line(
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char *line,
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int *argcp,
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char **argv
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)
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{
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char * token;
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*argcp = 0;
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for ( token = strtok_quote( line, " \t" ); token != NULL;
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token = strtok_quote( NULL, " \t" ) ) {
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if ( *argcp == MAXARGS ) {
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Debug( LDAP_DEBUG_ANY, "Too many tokens (max %d)\n",
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MAXARGS, 0, 0 );
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exit( 1 );
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}
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argv[(*argcp)++] = token;
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}
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argv[*argcp] = NULL;
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}
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static char *
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strtok_quote( char *line, char *sep )
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{
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int inquote;
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char *tmp;
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static char *next;
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if ( line != NULL ) {
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next = line;
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}
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while ( *next && strchr( sep, *next ) ) {
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next++;
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}
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if ( *next == '\0' ) {
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next = NULL;
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return( NULL );
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}
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tmp = next;
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for ( inquote = 0; *next; ) {
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switch ( *next ) {
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case '"':
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if ( inquote ) {
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inquote = 0;
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} else {
|
|
inquote = 1;
|
|
}
|
|
strcpy( next, next + 1 );
|
|
break;
|
|
|
|
case '\\':
|
|
strcpy( next, next + 1 );
|
|
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( 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';
|
|
}
|