119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/* $Id$
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*****************************************************************************
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*
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* File: utils.c
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*
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* Author: Damien S. Stuart
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*
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* Purpose: General/Generic functions for the fwknop server.
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*
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* Copyright (C) 2009 Damien Stuart (dstuart@dstuart.org)
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*
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* License (GNU Public License):
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*****************************************************************************
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*/
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#include "fwknopd_common.h"
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#include "utils.h"
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/* Generic hex dump function.
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*/
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void
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hex_dump(unsigned char *data, int size)
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{
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int ln, i, j = 0;
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char ascii_str[17] = {0};
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for(i=0; i<size; i++)
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{
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if((i % 16) == 0)
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{
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printf(" %s\n 0x%.4x: ", ascii_str, i);
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memset(ascii_str, 0x0, 17);
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j = 0;
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}
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printf("%.2x ", data[i]);
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ascii_str[j++] = (data[i] < 0x20 || data[i] > 0x7e) ? '.' : data[i];
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if(j == 8)
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printf(" ");
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}
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/* Remainder...
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*/
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ln = strlen(ascii_str);
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if(ln > 0)
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{
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for(i=0; i < 16-ln; i++)
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printf(" ");
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printf(" %s\n\n", ascii_str);
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}
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}
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/* Show the fields of the FKO context.
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*/
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void
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display_ctx(fko_ctx_t ctx)
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{
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char *rand_val = NULL;
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char *username = NULL;
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char *version = NULL;
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char *spa_message = NULL;
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char *nat_access = NULL;
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char *server_auth = NULL;
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char *enc_data = NULL;
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char *spa_digest = NULL;
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char *spa_data = NULL;
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time_t timestamp = 0;
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short msg_type = -1;
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short digest_type = -1;
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int client_timeout = -1;
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/* Should be checking return values, but this is temp code. --DSS
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*/
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fko_get_rand_value(ctx, &rand_val);
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fko_get_username(ctx, &username);
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fko_get_timestamp(ctx, ×tamp);
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fko_get_version(ctx, &version);
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fko_get_spa_message_type(ctx, &msg_type);
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fko_get_spa_message(ctx, &spa_message);
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fko_get_spa_nat_access(ctx, &nat_access);
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fko_get_spa_server_auth(ctx, &server_auth);
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fko_get_spa_client_timeout(ctx, &client_timeout);
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fko_get_spa_digest_type(ctx, &digest_type);
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fko_get_encoded_data(ctx, &enc_data);
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fko_get_spa_digest(ctx, &spa_digest);
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fko_get_spa_data(ctx, &spa_data);
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printf("\nFKO Field Values:\n=================\n\n");
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printf(" Random Value: %s\n", rand_val == NULL ? "<NULL>" : rand_val);
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printf(" Username: %s\n", username == NULL ? "<NULL>" : username);
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printf(" Timestamp: %u\n", (unsigned int) timestamp);
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printf(" FKO Version: %s\n", version == NULL ? "<NULL>" : version);
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printf(" Message Type: %i\n", msg_type);
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printf(" Message String: %s\n", spa_message == NULL ? "<NULL>" : spa_message);
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printf(" Nat Access: %s\n", nat_access == NULL ? "<NULL>" : nat_access);
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printf(" Server Auth: %s\n", server_auth == NULL ? "<NULL>" : server_auth);
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printf(" Client Timeout: %u\n", client_timeout);
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printf(" Digest Type: %u\n", digest_type);
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printf("\n Encoded Data: %s\n", enc_data == NULL ? "<NULL>" : enc_data);
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printf("\nSPA Data Digest: %s\n", spa_digest == NULL ? "<NULL>" : spa_digest);
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printf("\nFinal Packed/Encrypted/Encoded Data:\n\n%s\n\n", spa_data);
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}
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/***EOF***/
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