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https://github.com/servalproject/serval-dna.git
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21f51965c1
Make .o files in separate subdirectories for servald and library Factor struct __sourceloc and __WHENCE__ from "log.h" into "whence.h" Factor sid_t etc from "serval.h" into "serval_types.h" Factor rhizome_bid_t etc from "rhizome.h" into "rhizome_types.h" Do not include "serval.h" in library sources Add log_stderr.c and logMessage.c for stand-alone executables
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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Copyright (C) 2013 Paul Gardner-Stephen
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Copyright (C) 2013 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "constants.h"
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#include "os.h"
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#include "cli.h"
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int nonce_initialised=0;
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unsigned char nonce_buffer[128];
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int generate_nonce(unsigned char *nonce,int bytes)
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{
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if (bytes<1||bytes>128) return -1;
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start:
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if (!nonce_initialised) {
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if (urandombytes(nonce_buffer,128))
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return -1;
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nonce_initialised=1;
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}
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// Increment nonce
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int i;
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for(i=0;i<128;i++)
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{
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unsigned char b=nonce_buffer[i]+1;
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nonce_buffer[i]=b;
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if (b) break;
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}
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if (i>=128) {
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nonce_initialised=0;
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goto start;
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}
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bcopy(nonce_buffer,nonce,bytes);
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return 0;
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}
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int app_nonce_test(const struct cli_parsed *UNUSED(parsed), struct cli_context *context)
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{
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int i,j;
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unsigned char nonces[0x10001][32];
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for(i=0;i<0x10001;i++)
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{
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if (generate_nonce(&nonces[i][0],32))
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return WHYF("Failed to generate nonce #%d\n",i);
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for(j=0;j<i;j++) {
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if (!memcmp(&nonces[i][0],&nonces[j][0],32))
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return WHYF("Nonce #%d is the same as nonce #%d\n",i,j);
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}
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if (!(random()&0xff))
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cli_printf(context, "Nonce #%d = %02x%02x%02x%02x...\n",
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i,nonces[i][0],nonces[i][1],nonces[i][2],nonces[i][3]);
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}
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cli_printf(context, "Test passed\n");
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return 0;
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}
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