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00fe6bca27
git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@61 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
/*
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* Copyright(C) 2007 Cameron Rich
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "ssl.h"
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int tfd;
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void base64_encode(const uint8_t *in, size_t inlen, char *out, size_t outlen)
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{
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static const char b64str[64] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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while (inlen && outlen)
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{
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*out++ = b64str[(in[0] >> 2) & 0x3f];
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if (!--outlen)
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break;
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*out++ = b64str[((in[0] << 4)
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+ (--inlen ? in[1] >> 4 : 0)) & 0x3f];
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if (!--outlen)
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break;
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*out++ = (inlen
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? b64str[((in[1] << 2)
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+ (--inlen ? in[2] >> 6 : 0))
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& 0x3f]
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: '=');
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if (!--outlen)
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break;
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*out++ = inlen ? b64str[in[2] & 0x3f] : '=';
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if (!--outlen)
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break;
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if (inlen)
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inlen--;
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if (inlen)
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in += 3;
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}
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if (outlen)
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*out = '\0';
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}
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static void usage(void)
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{
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fprintf(stderr,"Usage: htpasswd username\n");
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exit(1);
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}
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#ifdef WIN32
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static char * getpass(const char *prompt)
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{
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static char buf[127];
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FILE *fp = stdin;
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printf(prompt); TTY_FLUSH();
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#if 0
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fp = fopen("/dev/tty", "w");
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if (fp == NULL)
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{
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printf("null\n"); TTY_FLUSH();
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fp = stdin;
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}
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#endif
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fgets(buf, sizeof(buf), fp);
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while (buf[strlen(buf)-1] < ' ')
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buf[strlen(buf)-1] = '\0';
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//if (fp != stdin)
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// fclose(fp);
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return buf;
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}
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#endif
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int main(int argc, char *argv[])
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{
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char* pw;
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uint8_t md5_salt[MD5_SIZE], md5_pass[MD5_SIZE];
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char b64_salt[MD5_SIZE+10], b64_pass[MD5_SIZE+10];
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MD5_CTX ctx;
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if (argc != 2)
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usage();
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pw = strdup(getpass("New password:"));
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if (strcmp(pw, getpass("Re-type new password:")) != 0)
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{
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fprintf(stderr, "They don't match, sorry.\n" );
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exit(1);
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}
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RNG_initialize(pw, sizeof(pw));
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get_random(MD5_SIZE, md5_salt);
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RNG_terminate();
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base64_encode(md5_salt, MD5_SIZE, b64_salt, sizeof(b64_salt));
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MD5Init(&ctx);
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MD5Update(&ctx, md5_salt, MD5_SIZE);
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MD5Update(&ctx, pw, strlen(pw));
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MD5Final(&ctx, md5_pass);
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base64_encode(md5_pass, MD5_SIZE, b64_pass, sizeof(b64_pass));
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printf("Add the following to your '.htpasswd' file\n");
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printf("%s:%s$%s\n", argv[1], b64_salt, b64_pass);
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return 0;
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}
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