Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 257 insertions, 0 deletions

diff --git a/contrib/slapd-modules/nssov/shadow.c b/contrib/slapd-modules/nssov/shadow.c
new file mode 100644
index 0000000..477ce50
--- /dev/null
+++ b/contrib/slapd-modules/nssov/shadow.c
@@ -0,0 +1,257 @@
+/* shadow.c - shadow account 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"
+
+/* ( nisSchema.2.1 NAME 'shadowAccount' SUP top AUXILIARY
+ *	 DESC 'Additional attributes for shadow passwords'
+ *	 MUST uid
+ *	 MAY ( userPassword $ shadowLastChange $ shadowMin
+ *				 shadowMax $ shadowWarning $ shadowInactive $
+ *				 shadowExpire $ shadowFlag $ description ) )
+ */
+
+/* the basic search filter for searches */
+static struct berval shadow_filter = BER_BVC("(objectClass=shadowAccount)");
+
+/* the attributes to request with searches */
+static struct berval shadow_keys[] = {
+	BER_BVC("uid"),
+	BER_BVC("userPassword"),
+	BER_BVC("shadowLastChange"),
+	BER_BVC("shadowMin"),
+	BER_BVC("shadowMax"),
+	BER_BVC("shadowWarning"),
+	BER_BVC("shadowInactive"),
+	BER_BVC("shadowExpire"),
+	BER_BVC("shadowFlag"),
+	BER_BVNULL
+};
+
+#define UID_KEY	0
+#define PWD_KEY	1
+#define CHG_KEY	2
+#define MIN_KEY	3
+#define MAX_KEY 4
+#define WRN_KEY 5
+#define INA_KEY 6
+#define EXP_KEY 7
+#define FLG_KEY 8
+
+/* default values for attributes */
+static struct berval default_shadow_userPassword		 = BER_BVC("*"); /* unmatchable */
+static int default_nums[] = { 0,0,
+	-1, /* LastChange */
+	-1, /* Min */
+	-1, /* Max */
+	-1, /* Warning */
+	-1, /* Inactive */
+	-1, /* Expire */
+	0 /* Flag */
+};
+
+NSSOV_INIT(shadow)
+
+static long to_date(struct berval *date,AttributeDescription *attr)
+{
+	long value;
+	char *tmp;
+	/* do some special handling for date values on AD */
+	if (strcasecmp(attr->ad_cname.bv_val,"pwdLastSet")==0)
+	{
+		char buffer[8];
+		size_t l;
+		/* we expect an AD 64-bit datetime value;
+			 we should do date=date/864000000000-134774
+			 but that causes problems on 32-bit platforms,
+			 first we divide by 1000000000 by stripping the
+			 last 9 digits from the string and going from there */
+		l=date->bv_len-9;
+		if (l<1 || l>(sizeof(buffer)-1))
+			return 0; /* error */
+		strncpy(buffer,date->bv_val,l);
+		buffer[l]='\0';
+		value=strtol(buffer,&tmp,0);
+		if ((buffer[0]=='\0')||(*tmp!='\0'))
+		{
+			Debug(LDAP_DEBUG_ANY,"shadow entry contains non-numeric %s value\n",
+				attr->ad_cname.bv_val );
+			return 0;
+		}
+		return value/864-134774;
+		/* note that AD does not have expiry dates but a lastchangeddate
+			 and some value that needs to be added */
+	}
+	value=strtol(date->bv_val,&tmp,0);
+	if ((date->bv_val[0]=='\0')||(*tmp!='\0'))
+	{
+		Debug(LDAP_DEBUG_ANY,"shadow entry contains non-numeric %s value\n",
+			attr->ad_cname.bv_val );
+		return 0;
+	}
+	return value;
+}
+
+#ifndef UF_DONT_EXPIRE_PASSWD
+#define UF_DONT_EXPIRE_PASSWD 0x10000
+#endif
+
+#define GET_OPTIONAL_LONG(var,key) \
+	a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[key].an_desc); \
+	if ( !a || BER_BVISNULL(&a->a_vals[0])) \
+		var = default_nums[key]; \
+	else \
+	{ \
+		if (a->a_numvals > 1) \
+		{ \
+			Debug(LDAP_DEBUG_ANY,"shadow entry %s contains multiple %s values\n", \
+				entry->e_name.bv_val, cbp->mi->mi_attrs[key].an_desc->ad_cname.bv_val); \
+		} \
+		var=strtol(a->a_vals[0].bv_val,&tmp,0); \
+		if ((a->a_vals[0].bv_val[0]=='\0')||(*tmp!='\0')) \
+		{ \
+			Debug(LDAP_DEBUG_ANY,"shadow entry %s contains non-numeric %s value\n", \
+				entry->e_name.bv_val, cbp->mi->mi_attrs[key].an_desc->ad_cname.bv_val); \
+			return 0; \
+		} \
+	}
+
+#define GET_OPTIONAL_DATE(var,key) \
+	a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[key].an_desc); \
+	if ( !a || BER_BVISNULL(&a->a_vals[0])) \
+		var = default_nums[key]; \
+	else \
+	{ \
+		if (a->a_numvals > 1) \
+		{ \
+			Debug(LDAP_DEBUG_ANY,"shadow entry %s contains multiple %s values\n", \
+				entry->e_name.bv_val, cbp->mi->mi_attrs[key].an_desc->ad_cname.bv_val); \
+		} \
+		var=to_date(&a->a_vals[0],cbp->mi->mi_attrs[key].an_desc); \
+	}
+
+NSSOV_CBPRIV(shadow,
+	char buf[256];
+	struct berval name;);
+
+static int write_shadow(nssov_shadow_cbp *cbp,Entry *entry)
+{
+	struct berval tmparr[2];
+	struct berval *names;
+	Attribute *a;
+	char *tmp;
+	struct berval passwd = {0};
+	long lastchangedate;
+	long mindays;
+	long maxdays;
+	long warndays;
+	long inactdays;
+	long expiredate;
+	unsigned long flag;
+	int i;
+	int32_t tmpint32;
+	/* get username */
+	if (BER_BVISNULL(&cbp->name))
+	{
+		a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[UID_KEY].an_desc);
+		if (!a)
+		{
+			Debug(LDAP_DEBUG_ANY,"shadow entry %s does not contain %s value\n",
+				entry->e_name.bv_val, cbp->mi->mi_attrs[UID_KEY].an_desc->ad_cname.bv_val );
+			return 0;
+		}
+		names = a->a_vals;
+	}
+	else
+	{
+		names=tmparr;
+		names[0]=cbp->name;
+		BER_BVZERO(&names[1]);
+	}
+	/* get password */
+	a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[PWD_KEY].an_desc);
+	if ( a )
+		get_userpassword(&a->a_vals[0], &passwd);
+	if (BER_BVISNULL(&passwd))
+		passwd=default_shadow_userPassword;
+	/* get lastchange date */
+	GET_OPTIONAL_DATE(lastchangedate,CHG_KEY);
+	/* get mindays */
+	GET_OPTIONAL_LONG(mindays,MIN_KEY);
+	/* get maxdays */
+	GET_OPTIONAL_LONG(maxdays,MAX_KEY);
+	/* get warndays */
+	GET_OPTIONAL_LONG(warndays,WRN_KEY);
+	/* get inactdays */
+	GET_OPTIONAL_LONG(inactdays,INA_KEY);
+	/* get expire date */
+	GET_OPTIONAL_LONG(expiredate,EXP_KEY);
+	/* get flag */
+	GET_OPTIONAL_LONG(flag,FLG_KEY);
+	/* if we're using AD handle the flag specially */
+	if (strcasecmp(cbp->mi->mi_attrs[CHG_KEY].an_desc->ad_cname.bv_val,"pwdLastSet")==0)
+	{
+		if (flag&UF_DONT_EXPIRE_PASSWD)
+			maxdays=99999;
+		flag=0;
+	}
+	/* write the entries */
+	for (i=0;!BER_BVISNULL(&names[i]);i++)
+	{
+		WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
+		WRITE_BERVAL(cbp->fp,&names[i]);
+		WRITE_BERVAL(cbp->fp,&passwd);
+		WRITE_INT32(cbp->fp,lastchangedate);
+		WRITE_INT32(cbp->fp,mindays);
+		WRITE_INT32(cbp->fp,maxdays);
+		WRITE_INT32(cbp->fp,warndays);
+		WRITE_INT32(cbp->fp,inactdays);
+		WRITE_INT32(cbp->fp,expiredate);
+		WRITE_INT32(cbp->fp,flag);
+	}
+	return 0;
+}
+
+NSSOV_CB(shadow)
+
+NSSOV_HANDLE(
+	shadow,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_ANY,"nssov_shadow_byname(%s)\n",cbp.name.bv_val);,
+	NSLCD_ACTION_SHADOW_BYNAME,
+	nssov_filter_byname(cbp.mi,UID_KEY,&cbp.name,&filter)
+)
+
+NSSOV_HANDLE(
+	shadow,all,
+	struct berval filter;
+	/* no parameters to read */
+	BER_BVZERO(&cbp.name);,
+	Debug(LDAP_DEBUG_ANY,"nssov_shadow_all()\n");,
+	NSLCD_ACTION_SHADOW_ALL,
+	(filter=cbp.mi->mi_filter,0)
+)