diff options
| -rw-r--r-- | getpass.c | 223 | ||||
| -rw-r--r-- | md5.h | 67 | ||||
| -rw-r--r-- | md5c.c | 359 | ||||
| -rw-r--r-- | md5global.h | 56 | ||||
| -rw-r--r-- | md5ify.c | 67 |
5 files changed, 772 insertions, 0 deletions
diff --git a/getpass.c b/getpass.c new file mode 100644 index 00000000..c5fe4829 --- /dev/null +++ b/getpass.c @@ -0,0 +1,223 @@ +/* Copyright 1993-95 by Carl Harris, Jr. + * All rights reserved + * + * Distribute freely, except: don't remove my name from the source or + * documentation (don't take credit for my work), mark your changes (don't + * get me blamed for your possible bugs), don't alter or remove this + * notice. May be sold if buildable source is provided to buyer. No + * warrantee of any kind, express or implied, is included with this + * software; use at your own risk, responsibility for damages (if any) to + * anyone resulting from the use of this software rests entirely with the + * user. + * + * Send bug reports, bug fixes, enhancements, requests, flames, etc., and + * I'll try to keep a version up to date. I can be reached as follows: + * Carl Harris <ceharris@mal.com> + */ + + +/*********************************************************************** + module: getpass.c + project: popclient + programmer: Carl Harris, ceharris@mal.com + description: getpass() replacement which allows for long passwords. + + $Log: getpass.c,v $ + Revision 1.1 1996/06/28 14:33:54 esr + Initial revision + + Revision 1.4 1995/08/10 00:32:27 ceharris + Preparation for 3.0b3 beta release: + - added code for --kill/--keep, --limit, --protocol, --flush + options; --pop2 and --pop3 options now obsoleted by --protocol. + - added support for APOP authentication, including --with-APOP + argument for configure. + - provisional and broken support for RPOP + - added buffering to SockGets and SockRead functions. + - fixed problem of command-line options not being correctly + carried into the merged options record. + + Revision 1.3 1995/08/08 01:01:19 ceharris + Added GNU-style long options processing. + Fixed password in 'ps' output problem. + Fixed various RCS tag blunders. + Integrated .poprc parser, lexer, etc into Makefile processing. + + ***********************************************************************/ + +#include <config.h> + +#if defined(STDC_HEADERS) +#include <stdio.h> +#endif + +#include <signal.h> + +#define INPUT_BUF_SIZE MAX_PASSWORD_LENGTH + +#if defined(HAVE_TERMIOS_H) && defined(HAVE_TCSETATTR) +# include <termios.h> +#else +#if defined(HAVE_TERMIO_H) +# include <sys/ioctl.h> +# include <termio.h> +#else +#if defined(HAVE_SGTTY_H) +# include <sgtty.h> +#endif +#endif +#endif + +static int ttyfd; + +#if defined(HAVE_TCSETATTR) + static struct termios termb; + static tcflag_t flags; +#else +#if defined(HAVE_TERMIO_H) + static struct termio termb; + static unsigned short flags; +#else +#if defined(HAVE_STTY) + static struct sgttyb ttyb; + static int flags; +#endif +#endif +#endif + +void save_tty_state(); +void disable_tty_echo(); +void restore_tty_state(); + +char * +getpassword(prompt) +char *prompt; +{ + +#if !(defined(HAVE_TCSETATTR) || defined(HAVE_TERMIO_H) || defined(HAVE_STTY)) + +#if defined(HAVE_GETPASS) + char *getpass(); + return getpass(prompt); +#else + fputs("ERROR: no support for getpassword() routine\n",stderr); + exit(1); +#endif + +#endif /* !(defined(HAVE_TCSETATTR) || ... */ + + register char *p; + register c; + FILE *fi; + static char pbuf[INPUT_BUF_SIZE]; + RETSIGTYPE (*sig)(); + RETSIGTYPE sigint_handler(); + + + /* get the file descriptor for the input device */ + if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL) + fi = stdin; + else + setbuf(fi, (char *)NULL); + + /* store descriptor for the tty */ + ttyfd = fileno(fi); + + /* preserve tty state before turning off echo */ + save_tty_state(); + + /* now that we have the current tty state, we can catch SIGINT and + exit gracefully */ + sig = signal(SIGINT, sigint_handler); + + /* turn off echo on the tty */ + disable_tty_echo(); + + /* display the prompt and get the input string */ + fprintf(stderr, "%s", prompt); fflush(stderr); + for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) { + if (p < &pbuf[INPUT_BUF_SIZE - 1]) + *p++ = c; + } + *p = '\0'; + + /* write a newline so cursor won't appear to hang */ + fprintf(stderr, "\n"); fflush(stderr); + + /* restore previous state of the tty */ + restore_tty_state(); + + /* restore previous state of SIGINT */ + signal(SIGINT, sig); + + if (fi != stdin) + fclose(fi); + + return(pbuf); + +} + + +void +save_tty_state () +{ +#if defined(HAVE_TCSETATTR) + tcgetattr(ttyfd, &termb); + flags = termb.c_lflag; +#else +#if defined(HAVE_TERMIO_H) + ioctl(ttyfd, TCGETA, (char *) &termb); + flags = termb.c_lflag; +#else /* we HAVE_STTY */ + gtty(ttyfd, &ttyb); + flags = ttyb.sg_flags; +#endif +#endif +} + + +void +disable_tty_echo() +{ + /* turn off echo on the tty */ +#if defined(HAVE_TCSETATTR) + termb.c_lflag &= ~ECHO; + tcsetattr(ttyfd, TCSAFLUSH, &termb); +#else +#if defined(HAVE_TERMIO_H) + termb.c_lflag &= ~ECHO; + ioctl(ttyfd, TCSETA, (char *) &termb); +#else /* we HAVE_STTY */ + ttyb.sg_flags &= ~ECHO; + stty(ttyfd, &ttyb); +#endif +#endif +} + + + +void +restore_tty_state() +{ + /* restore previous tty echo state */ +#if defined(HAVE_TCSETATTR) + termb.c_lflag = flags; + tcsetattr(ttyfd, TCSAFLUSH, &termb); +#else +#if defined(HAVE_TERMIO_H) + termb.c_lflag = flags; + ioctl(ttyfd, TCSETA, (char *) &termb); +#else /* we HAVE_STTY */ + ttyb.sg_flags = flags; + stty(ttyfd, &ttyb); +#endif +#endif +} + + +RETSIGTYPE sigint_handler () +{ + restore_tty_state(); + fputs("\nCaught signal... bailing out.\n", stderr); + exit(1); +} @@ -0,0 +1,67 @@ +/* + * md5.h header file for MD5 module used by popclient + * + * $Log: md5.h,v $ + * Revision 1.1 1996/06/28 14:34:58 esr + * Initial revision + * + * Revision 1.2 1995/08/10 00:32:28 ceharris + * Preparation for 3.0b3 beta release: + * - added code for --kill/--keep, --limit, --protocol, --flush + * options; --pop2 and --pop3 options now obsoleted by --protocol. + * - added support for APOP authentication, including --with-APOP + * argument for configure. + * - provisional and broken support for RPOP + * - added buffering to SockGets and SockRead functions. + * - fixed problem of command-line options not being correctly + * carried into the merged options record. + * + * Revision 1.1 1995/08/09 14:27:22 ceharris + * First revision popclient MD5 support for APOP. The MD5 code is + * provided by RSA Data Security. See notice below. + * + * + */ + +/* MD5.H - header file for MD5C.C + */ + +/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All +rights reserved. + +License to copy and use this software is granted provided that it +is identified as the "RSA Data Security, Inc. MD5 Message-Digest +Algorithm" in all material mentioning or referencing this software +or this function. + +License is also granted to make and use derivative works provided +that such works are identified as "derived from the RSA Data +Security, Inc. MD5 Message-Digest Algorithm" in all material +mentioning or referencing the derived work. + +RSA Data Security, Inc. makes no representations concerning either +the merchantability of this software or the suitability of this +software for any particular purpose. It is provided "as is" +without express or implied warranty of any kind. + +These notices must be retained in any copies of any part of this +documentation and/or software. + */ + +#ifndef MD5_H__ +#define MD5_H__ + +#include "md5global.h" + +/* MD5 context. */ +typedef struct { + UINT4 state[4]; /* state (ABCD) */ + UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ + unsigned char buffer[64]; /* input buffer */ +} MD5_CTX; + +void MD5Init PROTO_LIST ((MD5_CTX *)); +void MD5Update PROTO_LIST + ((MD5_CTX *, unsigned char *, unsigned int)); +void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *)); +#endif /* MD5_H__ */ @@ -0,0 +1,359 @@ +/* + * md5c.c MD5 support used by popclient. + * + * $Log: md5c.c,v $ + * Revision 1.1 1996/06/28 14:35:47 esr + * Initial revision + * + * Revision 1.2 1995/08/10 00:32:30 ceharris + * Preparation for 3.0b3 beta release: + * - added code for --kill/--keep, --limit, --protocol, --flush + * options; --pop2 and --pop3 options now obsoleted by --protocol. + * - added support for APOP authentication, including --with-APOP + * argument for configure. + * - provisional and broken support for RPOP + * - added buffering to SockGets and SockRead functions. + * - fixed problem of command-line options not being correctly + * carried into the merged options record. + * + * Revision 1.1 1995/08/09 14:27:23 ceharris + * First revision popclient MD5 support for APOP. The MD5 code is + * provided by RSA Data Security. See notice below. + * + * + */ + +/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm + */ + +/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All +rights reserved. + +License to copy and use this software is granted provided that it +is identified as the "RSA Data Security, Inc. MD5 Message-Digest +Algorithm" in all material mentioning or referencing this software +or this function. + +License is also granted to make and use derivative works provided +that such works are identified as "derived from the RSA Data +Security, Inc. MD5 Message-Digest Algorithm" in all material +mentioning or referencing the derived work. + +RSA Data Security, Inc. makes no representations concerning either +the merchantability of this software or the suitability of this +software for any particular purpose. It is provided "as is" +without express or implied warranty of any kind. + +These notices must be retained in any copies of any part of this +documentation and/or software. + */ + +#include <config.h> +#include "md5global.h" +#include "md5.h" + +/* Constants for MD5Transform routine. + */ +#define S11 7 +#define S12 12 +#define S13 17 +#define S14 22 +#define S21 5 +#define S22 9 +#define S23 14 +#define S24 20 +#define S31 4 +#define S32 11 +#define S33 16 +#define S34 23 +#define S41 6 +#define S42 10 +#define S43 15 +#define S44 21 + +static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64])); +static void Encode PROTO_LIST + ((unsigned char *, UINT4 *, unsigned int)); +static void Decode PROTO_LIST + ((UINT4 *, unsigned char *, unsigned int)); +static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int)); +static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int)); + +static unsigned char PADDING[64] = { + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +/* F, G, H and I are basic MD5 functions. + */ +#define F(x, y, z) (((x) & (y)) | ((~x) & (z))) +#define G(x, y, z) (((x) & (z)) | ((y) & (~z))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) +#define I(x, y, z) ((y) ^ ((x) | (~z))) + +/* ROTATE_LEFT rotates x left n bits. + */ +#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) + +/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. +Rotation is separate from addition to prevent recomputation. + */ +#define FF(a, b, c, d, x, s, ac) { \ + (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define GG(a, b, c, d, x, s, ac) { \ + (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define HH(a, b, c, d, x, s, ac) { \ + (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define II(a, b, c, d, x, s, ac) { \ + (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } + +/* MD5 initialization. Begins an MD5 operation, writing a new context. + */ +void MD5Init (context) +MD5_CTX *context; /* context */ +{ + context->count[0] = context->count[1] = 0; + /* Load magic initialization constants. +*/ + context->state[0] = 0x67452301; + context->state[1] = 0xefcdab89; + context->state[2] = 0x98badcfe; + context->state[3] = 0x10325476; +} + +/* MD5 block update operation. Continues an MD5 message-digest + operation, processing another message block, and updating the + context. + */ +void MD5Update (context, input, inputLen) +MD5_CTX *context; /* context */ +unsigned char *input; /* input block */ +unsigned int inputLen; /* length of input block */ +{ + unsigned int i, index, partLen; + + /* Compute number of bytes mod 64 */ + index = (unsigned int)((context->count[0] >> 3) & 0x3F); + + /* Update number of bits */ + if ((context->count[0] += ((UINT4)inputLen << 3)) + < ((UINT4)inputLen << 3)) + context->count[1]++; + context->count[1] += ((UINT4)inputLen >> 29); + + partLen = 64 - index; + + /* Transform as many times as possible. +*/ + if (inputLen >= partLen) { + MD5_memcpy + ((POINTER)&context->buffer[index], (POINTER)input, partLen); + MD5Transform (context->state, context->buffer); + + for (i = partLen; i + 63 < inputLen; i += 64) + MD5Transform (context->state, &input[i]); + + index = 0; + } + else + i = 0; + + /* Buffer remaining input */ + MD5_memcpy + ((POINTER)&context->buffer[index], (POINTER)&input[i], + inputLen-i); +} + +/* MD5 finalization. Ends an MD5 message-digest operation, writing the + the message digest and zeroizing the context. + */ +void MD5Final (digest, context) +unsigned char digest[16]; /* message digest */ +MD5_CTX *context; /* context */ +{ + unsigned char bits[8]; + unsigned int index, padLen; + + /* Save number of bits */ + Encode (bits, context->count, 8); + + /* Pad out to 56 mod 64. +*/ + index = (unsigned int)((context->count[0] >> 3) & 0x3f); + padLen = (index < 56) ? (56 - index) : (120 - index); + MD5Update (context, PADDING, padLen); + + /* Append length (before padding) */ + MD5Update (context, bits, 8); + /* Store state in digest */ + Encode (digest, context->state, 16); + + /* Zeroize sensitive information. +*/ + MD5_memset ((POINTER)context, 0, sizeof (*context)); +} + +/* MD5 basic transformation. Transforms state based on block. + */ +static void MD5Transform (state, block) +UINT4 state[4]; +unsigned char block[64]; +{ + UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + + Decode (x, block, 64); + + /* Round 1 */ + FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ + FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ + FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ + FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ + FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ + FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ + FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ + FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ + FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ + FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ + FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ + FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ + FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ + FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ + FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ + FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ + + /* Round 2 */ + GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ + GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ + GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ + GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ + GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ + GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ + GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ + GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ + GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ + GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ + GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ + GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ + GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ + GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ + GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ + GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ + + /* Round 3 */ + HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ + HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ + HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ + HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ + HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ + HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ + HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ + HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ + HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ + HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ + HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ + HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ + HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ + HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ + HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ + HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ + + /* Round 4 */ + II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ + II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ + II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ + II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ + II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ + II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ + II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ + II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ + II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ + II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ + II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ + II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ + II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ + II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ + II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ + II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ + + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + + /* Zeroize sensitive information. +*/ + MD5_memset ((POINTER)x, 0, sizeof (x)); +} + +/* Encodes input (UINT4) into output (unsigned char). Assumes len is + a multiple of 4. + */ +static void Encode (output, input, len) +unsigned char *output; +UINT4 *input; +unsigned int len; +{ + unsigned int i, j; + + for (i = 0, j = 0; j < len; i++, j += 4) { + output[j] = (unsigned char)(input[i] & 0xff); + output[j+1] = (unsigned char)((input[i] >> 8) & 0xff); + output[j+2] = (unsigned char)((input[i] >> 16) & 0xff); + output[j+3] = (unsigned char)((input[i] >> 24) & 0xff); + } +} + +/* Decodes input (unsigned char) into output (UINT4). Assumes len is + a multiple of 4. + */ +static void Decode (output, input, len) +UINT4 *output; +unsigned char *input; +unsigned int len; +{ + unsigned int i, j; + + for (i = 0, j = 0; j < len; i++, j += 4) + output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) | + (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24); +} + +/* Note: Replace "for loop" with standard memcpy if possible. + */ + +static void MD5_memcpy (output, input, len) +POINTER output; +POINTER input; +unsigned int len; +{ + unsigned int i; + + for (i = 0; i < len; i++) + output[i] = input[i]; +} + +/* Note: Replace "for loop" with standard memset if possible. + */ +static void MD5_memset (output, value, len) +POINTER output; +int value; +unsigned int len; +{ + unsigned int i; + + for (i = 0; i < len; i++) + ((char *)output)[i] = (char)value; +} diff --git a/md5global.h b/md5global.h new file mode 100644 index 00000000..ba261587 --- /dev/null +++ b/md5global.h @@ -0,0 +1,56 @@ +/* + * md5global.h Global declarations for MD5 module used by popclient + * + * $Log: md5global.h,v $ + * Revision 1.1 1996/06/28 14:36:11 esr + * Initial revision + * + * Revision 1.2 1995/08/10 00:32:31 ceharris + * Preparation for 3.0b3 beta release: + * - added code for --kill/--keep, --limit, --protocol, --flush + * options; --pop2 and --pop3 options now obsoleted by --protocol. + * - added support for APOP authentication, including --with-APOP + * argument for configure. + * - provisional and broken support for RPOP + * - added buffering to SockGets and SockRead functions. + * - fixed problem of command-line options not being correctly + * carried into the merged options record. + * + * + */ + +#ifndef MD5GLOBAL_H__ +#define MD5GLOBAL_H__ +/* GLOBAL.H - RSAREF types and constants + */ + +/* PROTOTYPES should be set to one if and only if the compiler supports + function argument prototyping. +The following makes PROTOTYPES default to 0 if it has not already + been defined with C compiler flags. + */ + +#ifndef PROTOTYPES +#define PROTOTYPES HAVE_PROTOTYPES +#endif + +/* POINTER defines a generic pointer type */ +typedef unsigned char *POINTER; + +/* UINT2 defines a two byte word */ +typedef unsigned short int UINT2; + +/* UINT4 defines a four byte word */ +typedef unsigned long int UINT4; + +/* PROTO_LIST is defined depending on how PROTOTYPES is defined above. +If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it + returns an empty list. + */ +#if PROTOTYPES +#define PROTO_LIST(list) list +#else +#define PROTO_LIST(list) () +#endif + +#endif /* MD5GLOBAL_H__ */ diff --git a/md5ify.c b/md5ify.c new file mode 100644 index 00000000..b090687f --- /dev/null +++ b/md5ify.c @@ -0,0 +1,67 @@ +/* Copyright 1993-95 by Carl Harris, Jr. + * All rights reserved + * + * Distribute freely, except: don't remove my name from the source or + * documentation (don't take credit for my work), mark your changes (don't + * get me blamed for your possible bugs), don't alter or remove this + * notice. May be sold if buildable source is provided to buyer. No + * warrantee of any kind, express or implied, is included with this + * software; use at your own risk, responsibility for damages (if any) to + * anyone resulting from the use of this software rests entirely with the + * user. + * + * Send bug reports, bug fixes, enhancements, requests, flames, etc., and + * I'll try to keep a version up to date. I can be reached as follows: + * Carl Harris <ceharris@mal.com> + */ + + +/*********************************************************************** + module: md5ify.c + project: popclient + programmer: Carl Harris, ceharris@mal.com + description: Simple interface to MD5 module. + + $Log: md5ify.c,v $ + Revision 1.1 1996/06/28 14:36:57 esr + Initial revision + + Revision 1.1 1995/08/10 00:32:33 ceharris + Preparation for 3.0b3 beta release: + - added code for --kill/--keep, --limit, --protocol, --flush + options; --pop2 and --pop3 options now obsoleted by --protocol. + - added support for APOP authentication, including --with-APOP + argument for configure. + - provisional and broken support for RPOP + - added buffering to SockGets and SockRead functions. + - fixed problem of command-line options not being correctly + carried into the merged options record. + + ***********************************************************************/ + +#include <stdio.h> + +#if defined(STDC_HEADERS) +#include <string.h> +#endif + +#include "md5.h" + +char * +MD5Digest (s) +char *s; +{ + int i; + MD5_CTX context; + unsigned char digest[16]; + static char ascii_digest [33]; + + MD5Init(&context); + MD5Update(&context, s, strlen(s)); + MD5Final(digest, &context); + + for (i = 0; i < 16; i++) + sprintf(ascii_digest+2*i, "%02x", digest[i]); + + return(ascii_digest); +} |