Problems compiling a little and simple probe
hello, I'm intested to learn to use openSSL library can make my applications.
I start with a little and simple probe, but I couldn't compile it.
My probe has three four files:
- Common_sslLib.h:
#ifndef __COMMON_SSLLIB__
#define __COMMON_SSLLIB__
#include
#include
#include
#include
#include
#include
#define SERVHOST "localhost"
#define SERVPORT "26711"
void openSSLInit();
void handleError( void *, char *);
#endif
- common_sslLib.c
#include "common_sslLib.h"
//initialize openssl library
void openSSLInit()
{
SSL_library_init();
SSL_load_error_strings(); //load human-readable iformation about error codes.
//action_to_seed_PRNG();
}
//manager erros function
void handleError( void *obj, char *msg )
{
if( obj == NULL )
{
printf( "¡ ERROR: %s !\n", msg );
exit(-1);
}
}
- client.c
//proper libraries declaration
#include "common_sslLib.h"
int main( int argc, char **argv )
{
//variables declaration
BIO *bioSocket;
//end declaration variables
openSSLInit();
//establish connection
bioSocket = BIO_new_connect( SERVHOST ":" SERVPORT );
handleError( bioSocket, "BIO_new_connect failed" );
if( BIO_do_connect( bioSocket ) <= 0 )
{
printf(" ¡ERROR: BIO_do_connect failed, unreachable host ! " );
exit(-1);
}
while( 1 );
return 0;
}
- server.c
//proper libraries declaration
#include "common_sslLib.h"
int main( int argc, char **argv )
{
//variables declaration
BIO *sockAccept;
//end variables
openSSLInit();
//create server socket (BIO is a class that contain a socket)
sockAccept = SSL_new_accept( SERVPORT );
handleError( sockAccept, "SSL_new_accept failed, server socket was not created" );
//bind the server socket
if( SSL_do_accept( sockAccept ) <= 0 )
handleError( NULL, "SSL_do_accept failed, the address could not bind to
socket" );
//put the socket to accept the petitions
if( SSL_do_accept( sockAccept ) <= 0 )
handleError( NULL, "SSL_do_accept failed. Error accepting connection" );
}
My problem is, when I compile the common_sslLib and client, I don't have any problem
but when I compile the server I have some problems of the openssl server that it uses.
I compile then through of this way:
$export OPENSSL_LIB_DIR=/usr/include/openssl/
$gcc -I$OPENSSL_LIB_DIR -c common_sslLib.c
$gcc -I$OPENSSL_LIB_DIR -lssl -o client client.c common_sslLib.o
$ gcc -I$OPENSSL_LIB_DIR -lssl -o server server.c common_sslLib.o
/tmp/cc7Ff8Ri.o(.text+0x1e): En la función `main':
: referencia a `SSL_new_accept' sin definir
/tmp/cc7Ff8Ri.o(.text+0x42): En la función `main':
: referencia a `SSL_do_accept' sin definir
/tmp/cc7Ff8Ri.o(.text+0x66): En la función `main':
: referencia a `SSL_do_accept' sin definir
collect2: ld devolvió el estado de salida 1
$
In the folder /usr/include/openssl there are these files:
aes.h conf.h err.h obj_mac.h rc4.htls1.h
asn1.h crypto.h evp.h ocsp.h ripemd.h tmdiff.h
asn1_mac.h des.h hmac.h opensslconf.h rsa.htxt_db.h
asn1t.h des_old.h krb5_asn.h opensslv.h safestack.h ui_compat.h
bio.h dh.h kssl.h ossl_typ.h sha.hui.h
blowfish.h dsa.h lhash.h pem2.h ssl23.h x509.h
bn.hdso.h md2.h pem.h ssl2.h x509v3.h
buffer.hebcdic.h md4.h pkcs12.h ssl3.h x509_vfy.h
cast.h ec.h md5.h pkcs7.hssl.h
comp.h engine.h mdc2.h rand.h stack.h
conf_api.h e_os2.hobjects.h rc2.h symhacks.h
Thanks.
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