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Dynamic config
This commit is contained in:
Howard Chu
parent
423a93019f
commit
87d9353b12
1 changed files with 167 additions and 139 deletions
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@ -31,16 +31,93 @@
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#include "slap.h"
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#include "lutil.h"
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#include "config.h"
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/* config block */
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typedef struct translucent_info {
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BackendInfo *info; /* captive backend */
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void *private; /* local backend_private */
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BackendDB db; /* captive backend */
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int strict;
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int glue;
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int no_glue;
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} translucent_info;
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static ConfigLDAPadd translucent_ldadd;
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static ConfigCfAdd translucent_cfadd;
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static ConfigTable translucentcfg[] = {
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{ "translucent_strict", "on|off", 1, 2, 0,
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ARG_ON_OFF|ARG_OFFSET,
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(void *)offsetof(translucent_info, strict),
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"( OLcfgOvAt:14.1 NAME 'olcTranslucentStrict' "
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"DESC 'Reveal attribute deletion constraint violations' "
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"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
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{ "translucent_no_glue", "on|off", 1, 2, 0,
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ARG_ON_OFF|ARG_OFFSET,
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(void *)offsetof(translucent_info, no_glue),
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"( OLcfgOvAt:14.2 NAME 'olcTranslucentNoGlue' "
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"DESC 'Disable automatic glue records for ADD and MODRDN' "
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"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
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{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
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};
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static ConfigOCs translucentocs[] = {
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{ "( OLcfgOvOc:14.1 "
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"NAME 'olcTranslucentConfig' "
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"DESC 'Translucent configuration' "
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"SUP olcOverlayConfig "
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"MAY ( olcTranslucentStrict $ olcTranslucentNoGlue ) )",
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Cft_Overlay, translucentcfg, NULL, translucent_cfadd },
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{ "( OLcfgOvOc:14.2 "
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"NAME 'olcTranslucentDatabase' "
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"DESC 'Translucent target database configuration' "
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"AUXILIARY )", Cft_Misc, translucentcfg, translucent_ldadd },
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{ NULL, 0, NULL }
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};
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/* for translucent_init() */
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static int
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translucent_ldadd( CfEntryInfo *cei, Entry *e, ConfigArgs *ca )
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{
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slap_overinst *on;
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translucent_info *ov;
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Debug(LDAP_DEBUG_TRACE, "==> translucent_ldadd\n", 0, 0, 0);
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if ( cei->ce_type != Cft_Overlay || !cei->ce_bi ||
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cei->ce_bi->bi_cf_ocs != translucentocs )
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return LDAP_CONSTRAINT_VIOLATION;
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on = (slap_overinst *)cei->ce_bi;
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ov = on->on_bi.bi_private;
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ca->be = &ov->db;
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return LDAP_SUCCESS;
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}
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static int
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translucent_cfadd( Operation *op, SlapReply *rs, Entry *e, ConfigArgs *ca )
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{
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CfEntryInfo *cei = e->e_private;
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slap_overinst *on = (slap_overinst *)cei->ce_bi;
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translucent_info *ov = on->on_bi.bi_private;
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struct berval bv;
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Debug(LDAP_DEBUG_TRACE, "==> translucent_cfadd\n", 0, 0, 0);
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/* FIXME: should not hardcode "olcDatabase" here */
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bv.bv_len = sprintf( ca->msg, "olcDatabase=%s",
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ov->db.bd_info->bi_type );
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bv.bv_val = ca->msg;
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ca->be = &ov->db;
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/* We can only create this entry if the database is table-driven
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*/
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if ( ov->db.bd_info->bi_cf_ocs )
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config_build_entry( op, rs, cei, ca, &bv,
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ov->db.bd_info->bi_cf_ocs,
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&translucentocs[1] );
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return 0;
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}
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static slap_overinst translucent;
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/*
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@ -91,9 +168,10 @@ void glue_parent(Operation *op) {
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nop.o_req_dn = ndn;
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nop.o_req_ndn = ndn;
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nop.ora_e = e;
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nop.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
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nop.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
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syncrepl_add_glue(&nop, e);
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nop.o_bd->bd_info = (BackendInfo *) on;
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op->o_tmpfree( ndn.bv_val, op->o_tmpmemctx );
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@ -147,9 +225,10 @@ static int translucent_add(Operation *op, SlapReply *rs) {
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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send_ldap_error(op, rs, LDAP_INSUFFICIENT_ACCESS,
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"user modification of overlay database not permitted");
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op->o_bd->bd_info = (BackendInfo *) on;
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return(rs->sr_err);
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}
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if(!ov->glue) glue_parent(op);
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if(!ov->no_glue) glue_parent(op);
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return(SLAP_CB_CONTINUE);
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}
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@ -170,9 +249,10 @@ static int translucent_modrdn(Operation *op, SlapReply *rs) {
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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send_ldap_error(op, rs, LDAP_INSUFFICIENT_ACCESS,
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"user modification of overlay database not permitted");
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op->o_bd->bd_info = (BackendInfo *) on;
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return(rs->sr_err);
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}
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if(!ov->glue) glue_parent(op);
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if(!ov->no_glue) glue_parent(op);
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return(SLAP_CB_CONTINUE);
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}
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@ -191,6 +271,7 @@ static int translucent_delete(Operation *op, SlapReply *rs) {
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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send_ldap_error(op, rs, LDAP_INSUFFICIENT_ACCESS,
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"user modification of overlay database not permitted");
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op->o_bd->bd_info = (BackendInfo *) on;
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return(rs->sr_err);
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}
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return(SLAP_CB_CONTINUE);
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@ -220,7 +301,6 @@ static int translucent_modify(Operation *op, SlapReply *rs) {
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slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
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translucent_info *ov = on->on_bi.bi_private;
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void *private = op->o_bd->be_private;
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Entry ne, *e = NULL, *re = NULL;
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Attribute *a, *ax;
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Modifications *m, *mm;
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@ -237,17 +317,14 @@ static int translucent_modify(Operation *op, SlapReply *rs) {
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**
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*/
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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op->o_bd->be_private = ov->private;
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rc = ov->info->bi_entry_get_rw(op, &op->o_req_ndn, NULL, NULL, 0, &re);
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op->o_bd->be_private = private;
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nop.o_bd = &ov->db;
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rc = ov->db.bd_info->bi_entry_get_rw(&nop, &nop.o_req_ndn, NULL, NULL, 0, &re);
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if(rc != LDAP_SUCCESS || re == NULL ) {
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send_ldap_error(op, rs, LDAP_NO_SUCH_OBJECT,
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send_ldap_error((&nop), rs, LDAP_NO_SUCH_OBJECT,
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"attempt to modify nonexistent local record");
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return(rs->sr_err);
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}
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nop = *op;
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/*
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** fetch entry from local backend;
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** if it exists:
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@ -261,7 +338,9 @@ static int translucent_modify(Operation *op, SlapReply *rs) {
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**
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*/
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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rc = be_entry_get_rw(op, &op->o_req_ndn, NULL, NULL, 0, &e);
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op->o_bd->bd_info = (BackendInfo *) on;
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if(e && rc == LDAP_SUCCESS) {
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Debug(LDAP_DEBUG_TRACE, "=> translucent_modify: found local entry\n", 0, 0, 0);
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@ -297,16 +376,15 @@ static int translucent_modify(Operation *op, SlapReply *rs) {
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erc = SLAP_CB_CONTINUE;
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release:
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if(re) {
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op->o_bd->be_private = ov->private;
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if(ov->info->bi_entry_release_rw)
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ov->info->bi_entry_release_rw(op, re, 0);
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if(ov->db.bd_info->bi_entry_release_rw)
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ov->db.bd_info->bi_entry_release_rw(&nop, re, 0);
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else
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entry_free(re);
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op->o_bd->be_private = private;
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}
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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be_entry_release_r(op, e);
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op->o_bd->bd_info = (BackendInfo *) on;
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if(erc == SLAP_CB_CONTINUE) {
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op->o_bd->bd_info = (BackendInfo *) on;
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return(erc);
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} else if(erc) {
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send_ldap_error(op, rs, erc,
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@ -317,12 +395,10 @@ release:
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/* don't leak remote entry copy */
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if(re) {
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op->o_bd->be_private = ov->private;
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if(ov->info->bi_entry_release_rw)
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ov->info->bi_entry_release_rw(op, re, 0);
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if(ov->db.bd_info->bi_entry_release_rw)
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ov->db.bd_info->bi_entry_release_rw(&nop, re, 0);
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else
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entry_free(re);
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op->o_bd->be_private = private;
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}
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/*
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** foreach Modification:
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@ -368,7 +444,6 @@ release:
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"modification contained other than ADD or REPLACE");
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return(rs->sr_err);
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}
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op->o_bd->bd_info = (BackendInfo *) on;
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/* rs->sr_text = "no valid modification found"; */
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rs->sr_err = LDAP_SUCCESS;
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send_ldap_result(op, rs);
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@ -387,7 +462,6 @@ release:
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nop.o_tag = LDAP_REQ_ADD;
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nop.oq_add.rs_e = ≠
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op->o_bd->bd_info = (BackendInfo *) on;
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glue_parent(&nop);
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cb.sc_response = translucent_tag_cb;
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@ -401,10 +475,9 @@ release:
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}
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static int translucent_compare(Operation *op, SlapReply *rs) {
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Operation nop = *op;
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slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
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translucent_info *ov = on->on_bi.bi_private;
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void *private = op->o_bd->be_private;
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AttributeAssertion *ava = op->orc_ava;
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Entry *e;
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int rc;
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@ -417,7 +490,6 @@ static int translucent_compare(Operation *op, SlapReply *rs) {
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** CONTINUE and let it do the compare;
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**
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*/
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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rc = be_entry_get_rw(op, &op->o_req_ndn, NULL, ava->aa_desc, 0, &e);
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if(e && rc == LDAP_SUCCESS) {
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@ -425,17 +497,17 @@ static int translucent_compare(Operation *op, SlapReply *rs) {
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op->o_bd->bd_info = (BackendInfo *) on;
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return(SLAP_CB_CONTINUE);
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}
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op->o_bd->bd_info = (BackendInfo *) on;
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/*
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** call compare() in the captive backend;
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** return the result;
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**
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*/
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nop.o_bd = &ov->db;
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nop.o_callback = NULL;
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rc = ov->db.bd_info->bi_op_compare(&nop, rs);
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op->o_bd->be_private = ov->private;
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rc = ov->info->bi_op_compare(op, rs);
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op->o_bd->be_private = private;
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op->o_bd->bd_info = (BackendInfo *) on;
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return(rc);
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}
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@ -449,22 +521,22 @@ static int translucent_search_cb(Operation *op, SlapReply *rs) {
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slap_overinst *on;
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Entry *e, *re = NULL;
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Attribute *a, *ax, *an, *as = NULL;
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void *private;
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Operation * original_op, local_op;
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int rc;
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if(!op || !rs || rs->sr_type != REP_SEARCH || !rs->sr_entry)
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return(SLAP_CB_CONTINUE);
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Debug(LDAP_DEBUG_TRACE, "==> tranclucent_search_cb: %s\n",
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Debug(LDAP_DEBUG_TRACE, "==> translucent_search_cb: %s\n",
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rs->sr_entry->e_name.bv_val, 0, 0);
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on = (slap_overinst *) op->o_bd->bd_info;
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op->o_bd->bd_info = (BackendInfo *) on->on_info;
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original_op = op->o_callback->sc_private;
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on = (slap_overinst *) original_op->o_bd->bd_info;
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local_op = *original_op;
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private = op->o_bd->be_private;
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op->o_bd->be_private = op->o_callback->sc_private;
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rc = be_entry_get_rw(op, &rs->sr_entry->e_nname, NULL, NULL, 0, &e);
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local_op.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
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rc = be_entry_get_rw(&local_op, &rs->sr_entry->e_nname, NULL, NULL, 0, &e);
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local_op.o_bd->bd_info = (BackendInfo *) on;
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/*
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** if we got an entry from local backend:
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@ -499,7 +571,9 @@ static int translucent_search_cb(Operation *op, SlapReply *rs) {
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an->a_next = as;
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as = an;
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}
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be_entry_release_r(op, e);
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local_op.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
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be_entry_release_r(&local_op, e);
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local_op.o_bd->bd_info = (BackendInfo *) on;
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/* literally append, so locals are always last */
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if(as) {
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@ -514,9 +588,6 @@ static int translucent_search_cb(Operation *op, SlapReply *rs) {
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rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
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}
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op->o_bd->be_private = private;
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op->o_bd->bd_info = (BackendInfo *) on;
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return(SLAP_CB_CONTINUE);
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}
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@ -528,27 +599,21 @@ static int translucent_search_cb(Operation *op, SlapReply *rs) {
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*/
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static int translucent_search(Operation *op, SlapReply *rs) {
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Operation nop = *op;
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slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
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slap_callback cb = { NULL, NULL, NULL, NULL };
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Operation nop = *op;
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translucent_info *ov = on->on_bi.bi_private;
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void *private = op->o_bd->be_private;
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int rc;
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slap_callback cb = { NULL, NULL, NULL, NULL };
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Debug(LDAP_DEBUG_TRACE, "==> translucent_search: <%s> %s\n",
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op->o_req_dn.bv_val, op->ors_filterstr.bv_val, 0);
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cb.sc_response = (slap_response *) translucent_search_cb;
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cb.sc_private = private;
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cb.sc_private = op;
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cb.sc_next = nop.o_callback;
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nop.o_callback = &cb;
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op->o_bd->be_private = ov->private;
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rc = ov->info->bi_op_search(&nop, rs);
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op->o_bd->be_private = private;
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return(rs->sr_err);
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nop.o_bd = &ov->db;
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return (ov->db.bd_info->bi_op_search(&nop, rs));
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}
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@ -560,18 +625,14 @@ static int translucent_search(Operation *op, SlapReply *rs) {
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static int translucent_bind(Operation *op, SlapReply *rs) {
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slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
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Operation nop = *op;
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translucent_info *ov = on->on_bi.bi_private;
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void *private = op->o_bd->be_private;
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int rc = 0;
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Debug(LDAP_DEBUG_TRACE, "translucent_bind: <%s> method %d\n",
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op->o_req_dn.bv_val, op->orb_method, 0);
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op->o_bd->be_private = ov->private;
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rc = ov->info->bi_op_bind(op, rs);
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op->o_bd->be_private = private;
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return(rc);
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nop.o_bd = &ov->db;
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return (ov->db.bd_info->bi_op_bind(&nop, rs));
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}
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/*
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@ -583,14 +644,11 @@ static int translucent_bind(Operation *op, SlapReply *rs) {
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static int translucent_connection_destroy(BackendDB *be, Connection *conn) {
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slap_overinst *on = (slap_overinst *) be->bd_info;
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translucent_info *ov = on->on_bi.bi_private;
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void *private = be->be_private;
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int rc = 0;
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Debug(LDAP_DEBUG_TRACE, "translucent_connection_destroy\n", 0, 0, 0);
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be->be_private = ov->private;
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rc = ov->info->bi_connection_destroy(be, conn);
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be->be_private = private;
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rc = ov->db.bd_info->bi_connection_destroy(&ov->db, conn);
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return(rc);
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}
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@ -612,36 +670,15 @@ static int translucent_db_config(
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{
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slap_overinst *on = (slap_overinst *) be->bd_info;
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||||
translucent_info *ov = on->on_bi.bi_private;
|
||||
void *private = be->be_private;
|
||||
void *be_cf_ocs = be->be_cf_ocs;
|
||||
int rc;
|
||||
|
||||
/* "this should never happen" */
|
||||
if(!ov->info) {
|
||||
fprintf(stderr, "fatal: captive backend not initialized");
|
||||
return(1);
|
||||
}
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_config: %s\n",
|
||||
argc ? argv[0] : "", 0, 0);
|
||||
|
||||
be->be_private = ov->private;
|
||||
be->be_cf_ocs = ov->info->bi_cf_ocs;
|
||||
rc = ov->info->bi_db_config ? ov->info->bi_db_config(be, fname, lineno, argc, argv) : 0;
|
||||
be->be_private = private;
|
||||
be->be_cf_ocs = be_cf_ocs;
|
||||
|
||||
/* pass okay or error up, SLAP_CONF_UNKNOWN might be ours */
|
||||
if(rc == 0 || rc == 1) return(rc);
|
||||
|
||||
rc = 0;
|
||||
if(!strcasecmp(*argv, "translucent_strict")) {
|
||||
ov->strict++;
|
||||
} else if(!strcasecmp(*argv, "translucent_no_glue")) {
|
||||
ov->glue++;
|
||||
} else {
|
||||
fprintf(stderr, "%s: line %d: unknown keyword %s\n",
|
||||
fname, lineno, *argv);
|
||||
rc = SLAP_CONF_UNKNOWN;
|
||||
}
|
||||
return(rc);
|
||||
/* Something for the captive database? */
|
||||
if ( ov->db.bd_info && ov->db.bd_info->bi_db_config )
|
||||
return ov->db.bd_info->bi_db_config( &ov->db, fname, lineno,
|
||||
argc, argv );
|
||||
return SLAP_CONF_UNKNOWN;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -652,34 +689,25 @@ static int translucent_db_config(
|
|||
|
||||
static int translucent_db_init(BackendDB *be) {
|
||||
slap_overinst *on = (slap_overinst *) be->bd_info;
|
||||
void *private = be->be_private;
|
||||
translucent_info *ov;
|
||||
int rc;
|
||||
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_init\n", 0, 0, 0);
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_init\n", 0, 0, 0);
|
||||
|
||||
ov = ch_calloc(1, sizeof(translucent_info));
|
||||
ov->info = backend_info("ldap");
|
||||
|
||||
if(!ov->info) {
|
||||
ch_free( ov );
|
||||
Debug(LDAP_DEBUG_ANY, "translucent: backend_info failed!\n", 0, 0, 0);
|
||||
return(1);
|
||||
}
|
||||
|
||||
/* forcibly disable schema checking on the local backend */
|
||||
SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
|
||||
|
||||
be->be_private = NULL;
|
||||
rc = ov->info->bi_db_init ? ov->info->bi_db_init(be) : 0;
|
||||
|
||||
if(rc) Debug(LDAP_DEBUG_TRACE,
|
||||
"translucent: bi_db_init() returned error %d\n", rc, 0, 0);
|
||||
|
||||
ov->private = be->be_private;
|
||||
be->be_private = private;
|
||||
on->on_bi.bi_private = ov;
|
||||
return(rc);
|
||||
ov->db = *be;
|
||||
ov->db.be_private = NULL;
|
||||
ov->db.be_pcl_mutexp = &ov->db.be_pcl_mutex;
|
||||
|
||||
if ( !backend_db_init( "ldap", &ov->db )) {
|
||||
Debug( LDAP_DEBUG_CONFIG, "translucent: unable to open captive back-ldap\n", 0, 0, 0);
|
||||
return 1;
|
||||
}
|
||||
SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
|
||||
SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NOLASTMOD;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -691,20 +719,17 @@ static int translucent_db_init(BackendDB *be) {
|
|||
static int translucent_db_open(BackendDB *be) {
|
||||
slap_overinst *on = (slap_overinst *) be->bd_info;
|
||||
translucent_info *ov = on->on_bi.bi_private;
|
||||
void *private = be->be_private;
|
||||
int rc;
|
||||
|
||||
/* "should never happen" */
|
||||
if(!ov->info) {
|
||||
Debug(LDAP_DEBUG_ANY, "translucent_open() called with bad ov->info\n", 0, 0, 0);
|
||||
return(LDAP_OTHER);
|
||||
}
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_open\n", 0, 0, 0);
|
||||
|
||||
Debug(LDAP_DEBUG_TRACE, "translucent_open\n", 0, 0, 0);
|
||||
/* need to inherit something from the original database... */
|
||||
ov->db.be_def_limit = be->be_def_limit;
|
||||
ov->db.be_limits = be->be_limits;
|
||||
ov->db.be_acl = be->be_acl;
|
||||
ov->db.be_dfltaccess = be->be_dfltaccess;
|
||||
|
||||
be->be_private = ov->private;
|
||||
rc = ov->info->bi_db_open ? ov->info->bi_db_open(be) : 0;
|
||||
be->be_private = private;
|
||||
rc = backend_startup_one( &ov->db );
|
||||
|
||||
if(rc) Debug(LDAP_DEBUG_TRACE,
|
||||
"translucent: bi_db_open() returned error %d\n", rc, 0, 0);
|
||||
|
|
@ -724,12 +749,10 @@ static int translucent_db_close(BackendDB *be) {
|
|||
translucent_info *ov = on->on_bi.bi_private;
|
||||
int rc = 0;
|
||||
|
||||
if ( ov ) {
|
||||
void *private = be->be_private;
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_close\n", 0, 0, 0);
|
||||
|
||||
be->be_private = ov->private;
|
||||
rc = (ov->info && ov->info->bi_db_close) ? ov->info->bi_db_close(be) : 0;
|
||||
be->be_private = private;
|
||||
if ( ov ) {
|
||||
rc = (ov->db.bd_info && ov->db.bd_info->bi_db_close) ? ov->db.bd_info->bi_db_close(&ov->db) : 0;
|
||||
}
|
||||
|
||||
return(rc);
|
||||
|
|
@ -746,12 +769,10 @@ static int translucent_db_destroy(BackendDB *be) {
|
|||
translucent_info *ov = on->on_bi.bi_private;
|
||||
int rc = 0;
|
||||
|
||||
if ( ov ) {
|
||||
void *private = be->be_private;
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_close\n", 0, 0, 0);
|
||||
|
||||
be->be_private = ov->private;
|
||||
rc = (ov->info && ov->info->bi_db_destroy) ? ov->info->bi_db_destroy(be) : 0;
|
||||
be->be_private = private;
|
||||
if ( ov ) {
|
||||
rc = (ov->db.bd_info && ov->db.bd_info->bi_db_destroy) ? ov->db.bd_info->bi_db_destroy(&ov->db) : 0;
|
||||
ch_free(ov);
|
||||
on->on_bi.bi_private = NULL;
|
||||
}
|
||||
|
|
@ -767,6 +788,10 @@ static int translucent_db_destroy(BackendDB *be) {
|
|||
|
||||
int translucent_initialize() {
|
||||
|
||||
int rc;
|
||||
|
||||
Debug(LDAP_DEBUG_TRACE, "==> translucent_initialize\n", 0, 0, 0);
|
||||
|
||||
translucent.on_bi.bi_type = "translucent";
|
||||
translucent.on_bi.bi_db_init = translucent_db_init;
|
||||
translucent.on_bi.bi_db_config = translucent_db_config;
|
||||
|
|
@ -782,6 +807,10 @@ int translucent_initialize() {
|
|||
translucent.on_bi.bi_op_compare = translucent_compare;
|
||||
translucent.on_bi.bi_connection_destroy = translucent_connection_destroy;
|
||||
|
||||
translucent.on_bi.bi_cf_ocs = translucentocs;
|
||||
rc = config_register_schema ( translucentcfg, translucentocs );
|
||||
if ( rc ) return rc;
|
||||
|
||||
return(overlay_register(&translucent));
|
||||
}
|
||||
|
||||
|
|
@ -792,4 +821,3 @@ int init_module(int argc, char *argv[]) {
|
|||
#endif
|
||||
|
||||
#endif /* SLAPD_OVER_TRANSLUCENT */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue