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-rw-r--r--contrib/slapd-modules/nssov/netgroup.c199
1 files changed, 199 insertions, 0 deletions
diff --git a/contrib/slapd-modules/nssov/netgroup.c b/contrib/slapd-modules/nssov/netgroup.c
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+++ b/contrib/slapd-modules/nssov/netgroup.c
@@ -0,0 +1,199 @@
+/* netgroup.c - netgroup lookup routines */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2008-2022 The OpenLDAP Foundation.
+ * Portions Copyright 2008 by Howard Chu, Symas Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This code references portions of the nss-ldapd package
+ * written by Arthur de Jong. The nss-ldapd code was forked
+ * from the nss-ldap library written by Luke Howard.
+ */
+
+#include "nssov.h"
+#include <ac/ctype.h>
+
+/* ( nisSchema.2.8 NAME 'nisNetgroup' SUP top STRUCTURAL
+ * DESC 'Abstraction of a netgroup. May refer to other netgroups'
+ * MUST cn
+ * MAY ( nisNetgroupTriple $ memberNisNetgroup $ description ) )
+ */
+
+/* the basic search filter for searches */
+static struct berval netgroup_filter = BER_BVC("(objectClass=nisNetgroup)");
+
+/* the attributes to request with searches */
+static struct berval netgroup_keys[] = {
+ BER_BVC("cn"),
+ BER_BVC("nisNetgroupTriple"),
+ BER_BVC("memberNisNetgroup"),
+ BER_BVNULL
+};
+
+NSSOV_INIT(netgroup)
+
+NSSOV_CBPRIV(netgroup,
+ char buf[256];
+ struct berval name;);
+
+static int write_string_stripspace_len(TFILE *fp,const char *str,int len)
+{
+ int32_t tmpint32;
+ int i,j;
+ DEBUG_PRINT("WRITE_STRING: var="__STRING(str)" string=\"%s\"",str);
+ if (str==NULL)
+ {
+ WRITE_INT32(fp,0);
+ }
+ else
+ {
+ /* skip leading spaces */
+ for (i=0;(str[i]!='\0')&&(isspace(str[i]));i++)
+ /* nothing else to do */ ;
+ /* skip trailing spaces */
+ for (j=len;(j>i)&&(isspace(str[j-1]));j--)
+ /* nothing else to do */ ;
+ /* write length of string */
+ WRITE_INT32(fp,j-i);
+ /* write string itself */
+ if (j>i)
+ {
+ WRITE(fp,str+i,j-i);
+ }
+ }
+ /* we're done */
+ return 0;
+}
+
+#define WRITE_STRING_STRIPSPACE_LEN(fp,str,len) \
+ if (write_string_stripspace_len(fp,str,len)) \
+ return -1;
+
+#define WRITE_STRING_STRIPSPACE(fp,str) \
+ WRITE_STRING_STRIPSPACE_LEN(fp,str,strlen(str))
+
+static int write_netgroup_triple(TFILE *fp,const char *triple)
+{
+ int32_t tmpint32;
+ int i;
+ int hostb,hoste,userb,usere,domainb,domaine;
+ /* skip leading spaces */
+ for (i=0;(triple[i]!='\0')&&(isspace(triple[i]));i++)
+ /* nothing else to do */ ;
+ /* we should have a bracket now */
+ if (triple[i]!='(')
+ {
+ Debug(LDAP_DEBUG_ANY,"write_netgroup_triple(): entry does not begin with '(' (entry skipped)\n" );
+ return 0;
+ }
+ i++;
+ hostb=i;
+ /* find comma (end of host string) */
+ for (;(triple[i]!='\0')&&(triple[i]!=',');i++)
+ /* nothing else to do */ ;
+ if (triple[i]!=',')
+ {
+ Debug(LDAP_DEBUG_ANY,"write_netgroup_triple(): missing ',' (entry skipped)\n" );
+ return 0;
+ }
+ hoste=i;
+ i++;
+ userb=i;
+ /* find comma (end of user string) */
+ for (;(triple[i]!='\0')&&(triple[i]!=',');i++)
+ /* nothing else to do */ ;
+ if (triple[i]!=',')
+ {
+ Debug(LDAP_DEBUG_ANY,"write_netgroup_triple(): missing ',' (entry skipped)\n" );
+ return 0;
+ }
+ usere=i;
+ i++;
+ domainb=i;
+ /* find closing bracket (end of domain string) */
+ for (;(triple[i]!='\0')&&(triple[i]!=')');i++)
+ /* nothing else to do */ ;
+ if (triple[i]!=')')
+ {
+ Debug(LDAP_DEBUG_ANY,"write_netgroup_triple(): missing ')' (entry skipped)\n" );
+ return 0;
+ }
+ domaine=i;
+ i++;
+ /* skip trailing spaces */
+ for (;(triple[i]!='\0')&&(isspace(triple[i]));i++)
+ /* nothing else to do */ ;
+ /* if anything is left in the string we have a problem */
+ if (triple[i]!='\0')
+ {
+ Debug(LDAP_DEBUG_ANY,"write_netgroup_triple(): string contains trailing data (entry skipped)\n" );
+ return 0;
+ }
+ /* write strings */
+ WRITE_INT32(fp,NSLCD_RESULT_BEGIN);
+ WRITE_INT32(fp,NSLCD_NETGROUP_TYPE_TRIPLE);
+ WRITE_STRING_STRIPSPACE_LEN(fp,triple+hostb,hoste-hostb)
+ WRITE_STRING_STRIPSPACE_LEN(fp,triple+userb,usere-userb)
+ WRITE_STRING_STRIPSPACE_LEN(fp,triple+domainb,domaine-domainb)
+ /* we're done */
+ return 0;
+}
+
+static int write_netgroup(nssov_netgroup_cbp *cbp,Entry *entry)
+{
+ int32_t tmpint32;
+ int i;
+ Attribute *a;
+
+ /* get the netgroup triples and member */
+ a = attr_find(entry->e_attrs,cbp->mi->mi_attrs[1].an_desc);
+ if ( a ) {
+ /* write the netgroup triples */
+ for (i=0;i<a->a_numvals;i++)
+ {
+ if (write_netgroup_triple(cbp->fp, a->a_vals[i].bv_val))
+ return -1;
+ }
+ }
+ a = attr_find(entry->e_attrs,cbp->mi->mi_attrs[2].an_desc);
+ if ( a ) {
+ /* write netgroup members */
+ for (i=0;i<a->a_numvals;i++)
+ {
+ /* write the result code */
+ WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
+ /* write triple indicator */
+ WRITE_INT32(cbp->fp,NSLCD_NETGROUP_TYPE_NETGROUP);
+ /* write netgroup name */
+ if (write_string_stripspace_len(cbp->fp,a->a_vals[i].bv_val,a->a_vals[i].bv_len))
+ return -1;
+ }
+ }
+ /* we're done */
+ return 0;
+}
+
+NSSOV_CB(netgroup)
+
+NSSOV_HANDLE(
+ netgroup,byname,
+ char fbuf[1024];
+ struct berval filter = {sizeof(fbuf)};
+ filter.bv_val = fbuf;
+ READ_STRING(fp,cbp.buf);,
+ cbp.name.bv_len = tmpint32;
+ cbp.name.bv_val = cbp.buf;
+ Debug(LDAP_DEBUG_TRACE,"nssov_netgroup_byname(%s)\n",cbp.name.bv_val);,
+ NSLCD_ACTION_NETGROUP_BYNAME,
+ nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
+)