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gnupg/keyserver/gpgkeys_ldap.c
David Shaw 23e102f2e7 * gpgkeys_ldap.c (main): Avoid possible pre-string write. 
* gpgkeys_hkp.c (parse_hkp_index, dehtmlize): Fix memory corruption bug on
some platforms.  From devel. (search_key): Catch a mangled input file
(useful if something other than GnuPG is calling the program). (main):
Avoid possible pre-string write.  Noted by Christian Biere.
2003-12-06 01:41:00 +00:00

1011 lines
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/* gpgkeys_ldap.c - talk to a LDAP keyserver
* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <stdlib.h>
#include <errno.h>
#ifdef NEED_LBER_H
#include <lber.h>
#endif
#include <ldap.h>
#include "keyserver.h"
#ifdef __riscos__
#include "util.h"
#endif
extern char *optarg;
extern int optind;
#define GET 0
#define SEND 1
#define SEARCH 2
#define MAX_LINE 80
int verbose=0,include_disabled=0,include_revoked=0,include_subkeys=0;
char *basekeyspacedn=NULL;
char host[80]={'\0'};
char portstr[10]={'\0'};
char *pgpkeystr="pgpKey";
FILE *input=NULL,*output=NULL,*console=NULL;
LDAP *ldap=NULL;
struct keylist
{
char str[MAX_LINE];
struct keylist *next;
};
#ifdef __riscos__
RISCOS_GLOBAL_STATICS("LDAP Keyfetcher Heap")
#endif /* __riscos__ */
/* Returns 0 on success, -1 on failure, and 1 on eof */
int send_key(void)
{
int err,begin=0,end=0,keysize=1,ret=-1;
char *dn=NULL;
char line[MAX_LINE];
char *key[2]={0,0};
char keyid[17];
LDAPMod mod, *attrs[2];
memset (&mod, 0, sizeof mod);
mod.mod_op = LDAP_MOD_ADD;
mod.mod_type = pgpkeystr;
mod.mod_values = key;
attrs[0] = &mod;
attrs[1] = NULL;
dn=malloc(strlen("pgpCertid=virtual,")+strlen(basekeyspacedn)+1);
if(dn==NULL)
{
fprintf(console,"gpgkeys: can't allocate memory for keyserver record\n");
goto fail;
}
strcpy(dn,"pgpCertid=virtual,");
strcat(dn,basekeyspacedn);
key[0]=malloc(1);
if(key[0]==NULL)
{
fprintf(console,"gpgkeys: unable to allocate memory for key\n");
goto fail;
}
key[0][0]='\0';
/* Read and throw away stdin until we see the BEGIN */
while(fgets(line,MAX_LINE,input)!=NULL)
if(sscanf(line,"KEY %16s BEGIN\n",keyid)==1)
{
begin=1;
break;
}
if(!begin)
{
/* i.e. eof before the KEY BEGIN was found */
ret=1;
goto fail;
}
/* Now slurp up everything until we see the END */
while(fgets(line,MAX_LINE,input)!=NULL)
if(sscanf(line,"KEY %16s END\n",keyid)==1)
{
end=1;
break;
}
else
{
keysize+=strlen(line);
key[0]=realloc(key[0],keysize);
if(key[0]==NULL)
{
fprintf(console,"gpgkeys: unable to reallocate for key\n");
goto fail;
}
strcat(key[0],line);
}
if(!end)
{
fprintf(console,"gpgkeys: no KEY %s END found\n",keyid);
goto fail;
}
err=ldap_add_s(ldap,dn,attrs);
if(err!=LDAP_SUCCESS)
{
fprintf(console,"gpgkeys: error adding key %s to keyserver: %s\n",
keyid,ldap_err2string(err));
goto fail;
}
ret=0;
fail:
free(key[0]);
free(dn);
if(ret!=0 && begin)
fprintf(output,"KEY %s FAILED\n",keyid);
return ret;
}
/* Returns 0 on success and -1 on failure. Note that key-not-found is
not an error! */
int get_key(char *getkey)
{
char **vals;
LDAPMessage *res,*each;
int ret=-1,err,count;
struct keylist *dupelist=NULL;
char search[62];
char *attrs[]={"replaceme","pgpuserid","pgpkeyid","pgpcertid","pgprevoked",
"pgpdisabled","pgpkeycreatetime","modifytimestamp",
"pgpkeysize","pgpkeytype",NULL};
attrs[0]=pgpkeystr; /* Some compilers don't like using variables as
array initializers. */
/* Build the search string */
/* GPG can send us a v4 fingerprint, a v3 or v4 long key id, or a v3
or v4 short key id */
if(strncmp(getkey,"0x",2)==0)
getkey+=2;
if(strlen(getkey)==32)
{
fprintf(console,
"gpgkeys: LDAP keyservers do not support v3 fingerprints\n");
fprintf(output,"KEY 0x%s BEGIN\n",getkey);
fprintf(output,"KEY 0x%s FAILED\n",getkey);
return -1;
}
if(strlen(getkey)>16)
{
char *offset=&getkey[strlen(getkey)-16];
/* fingerprint. Take the last 16 characters and treat it like a
long key id */
if(include_subkeys)
sprintf(search,"(|(pgpcertid=%.16s)(pgpsubkeyid=%.16s))",
offset,offset);
else
sprintf(search,"(pgpcertid=%.16s)",offset);
}
else if(strlen(getkey)>8)
{
/* long key id */
if(include_subkeys)
sprintf(search,"(|(pgpcertid=%.16s)(pgpsubkeyid=%.16s))",
getkey,getkey);
else
sprintf(search,"(pgpcertid=%.16s)",getkey);
}
else
{
/* short key id */
sprintf(search,"(pgpkeyid=%.8s)",getkey);
}
fprintf(output,"KEY 0x%s BEGIN\n",getkey);
if(verbose>2)
fprintf(console,"gpgkeys: LDAP fetch for: %s\n",search);
if(!verbose)
attrs[1]=NULL;
if(verbose)
fprintf(console,"gpgkeys: requesting key 0x%s from ldap://%s%s%s\n",
getkey,host,portstr[0]?":":"",portstr[0]?portstr:"");
err=ldap_search_s(ldap,basekeyspacedn,
LDAP_SCOPE_SUBTREE,search,attrs,0,&res);
if(err!=0)
{
fprintf(console,"gpgkeys: LDAP search error: %s\n",ldap_err2string(err));
fprintf(output,"KEY 0x%s FAILED\n",getkey);
return -1;
}
count=ldap_count_entries(ldap,res);
if(count<1)
{
fprintf(console,"gpgkeys: key %s not found on keyserver\n",getkey);
fprintf(output,"KEY 0x%s FAILED\n",getkey);
}
else
{
/* There may be more than one unique result for a given keyID,
so we should fetch them all (test this by fetching short key
id 0xDEADBEEF). */
each=ldap_first_entry(ldap,res);
while(each!=NULL)
{
struct keylist *keyptr=dupelist;
/* Use the long keyid to remove duplicates. The LDAP server
returns the same keyid more than once if there are
multiple user IDs on the key. Note that this does NOT
mean that a keyid that exists multiple times on the
keyserver will not be fetched. It means that each KEY,
no matter how many user IDs share it's keyid, will be
fetched only once. If a keyid that belongs to more than
one key is fetched, the server quite properly responds
with all matching keys. -ds */
vals=ldap_get_values(ldap,each,"pgpcertid");
if(vals!=NULL)
{
while(keyptr!=NULL)
{
if(strcasecmp(keyptr->str,vals[0])==0)
break;
keyptr=keyptr->next;
}
if(!keyptr)
{
/* it's not a duplicate, so add it */
keyptr=malloc(sizeof(struct keylist));
if(keyptr==NULL)
{
fprintf(console,"gpgkeys: out of memory when deduping "
"key list\n");
goto fail;
}
strncpy(keyptr->str,vals[0],MAX_LINE);
keyptr->str[MAX_LINE-1]='\0';
keyptr->next=dupelist;
dupelist=keyptr;
keyptr=NULL;
}
ldap_value_free(vals);
}
if(!keyptr) /* it's not a duplicate */
{
if(verbose)
{
vals=ldap_get_values(ldap,each,"pgpuserid");
if(vals!=NULL)
{
/* This is wrong, as the user ID is UTF8. A
better way to handle this would be to send it
over to gpg and display it on that side of
the pipe. */
fprintf(console,"\nUser ID:\t%s\n",vals[0]);
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgprevoked");
if(vals!=NULL)
{
if(atoi(vals[0])==1)
fprintf(console,"\t\t** KEY REVOKED **\n");
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgpdisabled");
if(vals!=NULL)
{
if(atoi(vals[0])==1)
fprintf(console,"\t\t** KEY DISABLED **\n");
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgpkeyid");
if(vals!=NULL)
{
fprintf(console,"Short key ID:\t%s\n",vals[0]);
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgpcertid");
if(vals!=NULL)
{
fprintf(console,"Long key ID:\t%s\n",vals[0]);
ldap_value_free(vals);
}
/* YYYYMMDDHHmmssZ */
vals=ldap_get_values(ldap,each,"pgpkeycreatetime");
if(vals!=NULL)
{
if(strlen(vals[0])==15)
fprintf(console,"Key created:\t%.2s/%.2s/%.4s\n",
&vals[0][4],&vals[0][6],vals[0]);
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"modifytimestamp");
if(vals!=NULL)
{
if(strlen(vals[0])==15)
fprintf(console,"Key modified:\t%.2s/%.2s/%.4s\n",
&vals[0][4],&vals[0][6],vals[0]);
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgpkeysize");
if(vals!=NULL)
{
fprintf(console,"Key size:\t%d\n",atoi(vals[0]));
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgpkeytype");
if(vals!=NULL)
{
fprintf(console,"Key type:\t%s\n",vals[0]);
ldap_value_free(vals);
}
}
vals=ldap_get_values(ldap,each,pgpkeystr);
if(vals==NULL)
{
fprintf(console,"gpgkeys: unable to retrieve key %s "
"from keyserver\n",getkey);
fprintf(output,"KEY 0x%s FAILED\n",getkey);
}
else
{
fprintf(output,"%sKEY 0x%s END\n",vals[0],getkey);
ldap_value_free(vals);
}
}
each=ldap_next_entry(ldap,each);
}
}
ret=0;
fail:
ldap_msgfree(res);
/* free up the dupe checker */
while(dupelist!=NULL)
{
struct keylist *keyptr=dupelist;
dupelist=keyptr->next;
free(keyptr);
}
return ret;
}
time_t ldap2epochtime(const char *timestr)
{
struct tm pgptime;
memset(&pgptime,0,sizeof(pgptime));
/* YYYYMMDDHHmmssZ */
sscanf(timestr,"%4d%2d%2d%2d%2d%2d",
&pgptime.tm_year,
&pgptime.tm_mon,
&pgptime.tm_mday,
&pgptime.tm_hour,
&pgptime.tm_min,
&pgptime.tm_sec);
pgptime.tm_year-=1900;
pgptime.tm_isdst=-1;
pgptime.tm_mon--;
return mktime(&pgptime);
}
void printquoted(FILE *stream,char *string,char delim)
{
while(*string)
{
if(*string==delim || *string=='\\')
fprintf(stream,"\\x%02x",*string);
else
fputc(*string,stream);
string++;
}
}
/* Returns 0 on success and -1 on error. Note that key-not-found is
not an error! */
int search_key(char *searchkey)
{
char **vals;
LDAPMessage *res,*each;
int err,count;
/* The maximum size of the search, including the optional stuff and
the trailing \0 */
char search[2+12+MAX_LINE+2+15+14+1+1];
char *attrs[]={"pgpcertid","pgpuserid","pgprevoked","pgpdisabled",
"pgpkeycreatetime","pgpkeyexpiretime","modifytimestamp",
"pgpkeysize","pgpkeytype",NULL};
fprintf(output,"SEARCH %s BEGIN\n",searchkey);
/* Build the search string */
sprintf(search,"%s(pgpuserid=*%s*)%s%s%s",
(!(include_disabled&&include_revoked))?"(&":"",
searchkey,
include_disabled?"":"(pgpdisabled=0)",
include_revoked?"":"(pgprevoked=0)",
!(include_disabled&&include_revoked)?")":"");
if(verbose>2)
fprintf(console,"gpgkeys: LDAP search for: %s\n",search);
fprintf(console,("gpgkeys: searching for \"%s\" from LDAP server %s\n"),
searchkey,host);
err=ldap_search_s(ldap,basekeyspacedn,
LDAP_SCOPE_SUBTREE,search,attrs,0,&res);
if(err!=0)
{
fprintf(console,"gpgkeys: LDAP search error: %s\n",ldap_err2string(err));
return -1;
}
count=ldap_count_entries(ldap,res);
if(count<1)
fprintf(output,"COUNT 0\n");
else
{
fprintf(output,"COUNT %d\n",count);
each=ldap_first_entry(ldap,res);
while(each!=NULL)
{
int flags=0;
vals=ldap_get_values(ldap,each,"pgpcertid");
if(vals!=NULL)
{
fprintf(output,"%s:",vals[0]);
ldap_value_free(vals);
}
else
fputc(':',output);
vals=ldap_get_values(ldap,each,"pgpuserid");
if(vals!=NULL)
{
/* Need to escape any colons */
printquoted(output,vals[0],':');
fputc(':',output);
ldap_value_free(vals);
}
else
fputc(':',output);
vals=ldap_get_values(ldap,each,"pgprevoked");
if(vals!=NULL)
{
if(atoi(vals[0])==1)
flags|=1;
ldap_value_free(vals);
}
vals=ldap_get_values(ldap,each,"pgpdisabled");
if(vals!=NULL)
{
if(atoi(vals[0])==1)
flags|=2;
ldap_value_free(vals);
}
fprintf(output,"%d:",flags);
/* YYYYMMDDHHmmssZ */
vals=ldap_get_values(ldap,each,"pgpkeycreatetime");
if(vals!=NULL && strlen(vals[0])==15)
{
fprintf(output,"%u:",(unsigned int)ldap2epochtime(vals[0]));
ldap_value_free(vals);
}
else
fputc(':',output);
vals=ldap_get_values(ldap,each,"pgpkeyexpiretime");
if(vals!=NULL && strlen(vals[0])==15)
{
fprintf(output,"%u:",(unsigned int)ldap2epochtime(vals[0]));
ldap_value_free(vals);
}
else
fputc(':',output);
vals=ldap_get_values(ldap,each,"modifytimestamp");
if(vals!=NULL && strlen(vals[0])==15)
{
fprintf(output,"%u:",(unsigned int)ldap2epochtime(vals[0]));
ldap_value_free(vals);
}
else
fputc(':',output);
vals=ldap_get_values(ldap,each,"pgpkeytype");
if(vals!=NULL)
{
fprintf(output,"%s:",vals[0]);
ldap_value_free(vals);
}
else
fputc(':',output);
vals=ldap_get_values(ldap,each,"pgpkeysize");
if(vals!=NULL)
{
/* Not sure why, but some keys are listed with a key size of
0. Treat that like an unknown. */
if(atoi(vals[0])>0)
fprintf(output,"%d",atoi(vals[0]));
ldap_value_free(vals);
}
fputc('\n',output);
each=ldap_next_entry(ldap,each);
}
}
ldap_msgfree(res);
fprintf(output,"SEARCH %s END\n",searchkey);
return 0;
}
int main(int argc,char *argv[])
{
int port=0,arg,err,action=-1,ret=KEYSERVER_INTERNAL_ERROR;
char line[MAX_LINE],**vals;
int version,failed=0;
char *attrs[]={"basekeyspacedn","version","software",NULL};
LDAPMessage *res;
struct keylist *keylist=NULL,*keyptr=NULL;
#ifdef __riscos__
riscos_global_defaults();
#endif
console=stderr;
while((arg=getopt(argc,argv,"hVo:"))!=-1)
switch(arg)
{
default:
case 'h':
fprintf(console,"-h\thelp\n");
fprintf(console,"-V\tversion\n");
fprintf(console,"-o\toutput to this file\n");
return KEYSERVER_OK;
case 'V':
fprintf(stdout,"0\n%s\n",VERSION);
return KEYSERVER_OK;
case 'o':
output=fopen(optarg,"w");
if(output==NULL)
{
fprintf(console,"gpgkeys: Cannot open output file \"%s\": %s\n",
optarg,strerror(errno));
return KEYSERVER_INTERNAL_ERROR;
}
break;
}
if(argc>optind)
{
input=fopen(argv[optind],"r");
if(input==NULL)
{
fprintf(console,"gpgkeys: Cannot open input file \"%s\": %s\n",
argv[optind],strerror(errno));
return KEYSERVER_INTERNAL_ERROR;
}
}
if(input==NULL)
input=stdin;
if(output==NULL)
output=stdout;
/* Get the command and info block */
while(fgets(line,MAX_LINE,input)!=NULL)
{
char commandstr[7];
char optionstr[30];
char hash;
if(line[0]=='\n')
break;
if(sscanf(line,"%c",&hash)==1 && hash=='#')
continue;
if(sscanf(line,"COMMAND %6s\n",commandstr)==1)
{
commandstr[6]='\0';
if(strcasecmp(commandstr,"get")==0)
action=GET;
else if(strcasecmp(commandstr,"send")==0)
action=SEND;
else if(strcasecmp(commandstr,"search")==0)
action=SEARCH;
continue;
}
if(sscanf(line,"HOST %79s\n",host)==1)
{
host[79]='\0';
continue;
}
if(sscanf(line,"PORT %9s\n",portstr)==1)
{
portstr[9]='\0';
port=atoi(portstr);
continue;
}
if(sscanf(line,"VERSION %d\n",&version)==1)
{
if(version!=0)
{
ret=KEYSERVER_VERSION_ERROR;
goto fail;
}
continue;
}
if(sscanf(line,"OPTION %29s\n",optionstr)==1)
{
int no=0;
char *start=&optionstr[0];
optionstr[29]='\0';
if(strncasecmp(optionstr,"no-",3)==0)
{
no=1;
start=&optionstr[3];
}
if(strcasecmp(start,"verbose")==0)
{
if(no)
verbose--;
else
verbose++;
}
else if(strcasecmp(start,"include-disabled")==0)
{
if(no)
include_disabled=0;
else
include_disabled=1;
}
else if(strcasecmp(start,"include-revoked")==0)
{
if(no)
include_revoked=0;
else
include_revoked=1;
}
else if(strcasecmp(start,"include-subkeys")==0)
{
if(no)
include_subkeys=0;
else
include_subkeys=1;
}
continue;
}
}
/* If it's a GET or a SEARCH, the next thing to come in is the
keyids. If it's a SEND, then there are no keyids. */
if(action==SEND)
while(fgets(line,MAX_LINE,input)!=NULL && line[0]!='\n');
else if(action==GET || action==SEARCH)
{
for(;;)
{
struct keylist *work;
if(fgets(line,MAX_LINE,input)==NULL)
break;
else
{
if(line[0]=='\n' || line[0]=='\0')
break;
work=malloc(sizeof(struct keylist));
if(work==NULL)
{
fprintf(console,"gpgkeys: out of memory while "
"building key list\n");
goto fail;
}
strcpy(work->str,line);
/* Trim the trailing \n */
work->str[strlen(line)-1]='\0';
work->next=NULL;
/* Always attach at the end to keep the list in proper
order for searching */
if(keylist==NULL)
keylist=work;
else
keyptr->next=work;
keyptr=work;
}
}
}
else
{
fprintf(console,"gpgkeys: no keyserver command specified\n");
goto fail;
}
/* Send the response */
fprintf(output,"VERSION 0\n");
fprintf(output,"PROGRAM %s\n\n",VERSION);
if(verbose>1)
{
fprintf(console,"Host:\t\t%s\n",host);
if(port)
fprintf(console,"Port:\t\t%d\n",port);
fprintf(console,"Command:\t%s\n",action==GET?"GET":
action==SEND?"SEND":"SEARCH");
}
ldap=ldap_init(host,port);
if(ldap==NULL)
{
fprintf(console,"gpgkeys: internal LDAP init error: %s\n",strerror(errno));
goto fail;
}
err=ldap_simple_bind_s(ldap,NULL,NULL);
if(err!=0)
{
fprintf(console,"gpgkeys: internal LDAP bind error: %s\n",
ldap_err2string(err));
goto fail;
}
/* Get the magic info record */
err=ldap_search_s(ldap,"cn=PGPServerInfo",LDAP_SCOPE_BASE,
"(objectclass=*)",attrs,0,&res);
if(err!=0)
{
fprintf(console,"gpgkeys: error retrieving LDAP server info: %s\n",
ldap_err2string(err));
goto fail;
}
if(ldap_count_entries(ldap,res)!=1)
{
fprintf(console,"gpgkeys: more than one serverinfo record\n");
goto fail;
}
if(verbose>1)
{
vals=ldap_get_values(ldap,res,"software");
if(vals!=NULL)
{
fprintf(console,"Server: \t%s\n",vals[0]);
ldap_value_free(vals);
}
}
vals=ldap_get_values(ldap,res,"version");
if(vals!=NULL)
{
if(verbose>1)
fprintf(console,"Version:\t%s\n",vals[0]);
/* If the version is high enough, use the new pgpKeyV2
attribute. This design if iffy at best, but it matches how
PGP does it. I figure the NAI folks assumed that there would
never be a LDAP keyserver vendor with a different numbering
scheme. */
if(atoi(vals[0])>1)
pgpkeystr="pgpKeyV2";
ldap_value_free(vals);
}
/* This is always "OU=ACTIVE,O=PGP KEYSPACE,C=US", but it might not
be in the future. */
vals=ldap_get_values(ldap,res,"basekeyspacedn");
if(vals!=NULL)
{
basekeyspacedn=strdup(vals[0]);
ldap_value_free(vals);
if(basekeyspacedn==NULL)
{
fprintf(console,"gpgkeys: can't allocate string space "
"for LDAP base\n");
goto fail;
}
}
ldap_msgfree(res);
switch(action)
{
case GET:
keyptr=keylist;
while(keyptr!=NULL)
{
if(get_key(keyptr->str)==-1)
failed++;
keyptr=keyptr->next;
}
break;
case SEND:
{
int ret2;
do
{
ret2=send_key();
if(ret2==-1)
failed++;
}
while(ret2!=1);
}
break;
case SEARCH:
{
char *searchkey=NULL;
int len=0;
/* To search, we stick a * in between each key to search for.
This means that if the user enters words, they'll get
"enters*words". If the user "enters words", they'll get
"enters words" */
keyptr=keylist;
while(keyptr!=NULL)
{
len+=strlen(keyptr->str)+1;
keyptr=keyptr->next;
}
searchkey=malloc(len+1);
if(searchkey==NULL)
goto fail;
searchkey[0]='\0';
keyptr=keylist;
while(keyptr!=NULL)
{
strcat(searchkey,keyptr->str);
strcat(searchkey,"*");
keyptr=keyptr->next;
}
/* Nail that last "*" */
if(*searchkey)
searchkey[strlen(searchkey)-1]='\0';
if(search_key(searchkey)==-1)
{
fprintf(output,"SEARCH %s FAILED\n",searchkey);
failed++;
}
free(searchkey);
}
break;
}
if(!failed)
ret=KEYSERVER_OK;
fail:
while(keylist!=NULL)
{
struct keylist *current=keylist;
keylist=keylist->next;
free(current);
}
if(input!=stdin)
fclose(input);
if(output!=stdout)
fclose(output);
if(ldap!=NULL)
ldap_unbind_s(ldap);
free(basekeyspacedn);
return ret;
}
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