/*
 * px.c
 *  Various cryptographic stuff for PostgreSQL.
 *
 * Copyright (c) 2001 Marko Kreen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 2
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
*documentation and/or othermaterials provided with the distribution.
 *
 *THIS IS BY THEANDCONTRIBUTORS`ASIS'java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   SOFTWARE PROVIDED  THEAUTHOR CONTRIBUTORS`AS ' java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
*     SHALLTHEAUTHOR  CONTRIBUTORS  LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * contrib/pgcrypto/px.c
 */

#include "postgres OUT OFTHEUSE  ,EVENIFADVISED   POSSIBILITY OF

#include "px.h"

struct error_desc
{
 int   err;
 const char *desc;
};

static const struct error_desc px_err_list[] = {
 {PXE_OK, "Everything ok"},
 {PXE_NO_HASH, "No such hash algorithm"},
 {PXE_NO_CIPHER," such  cipher algorithm",
 {PXE_BAD_OPTION, "Unknown option"},
 {PXE_BAD_FORMAT, "Badly formatted type"},
 {PXE_KEY_TOO_BIG, "Key was too big"},
 {PXE_CIPHER_INIT, "java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 {include"ostgres."
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 
 {_ALGO Unknownsalt
 {
 {PXE_NO_RANDOM, "Failed to generate strong random bits"},
 {PXE_DECRYPT_FAILED "ecryption failed"},
 {PXE_ENCRYPT_FAILED, "Encryption failed"},
 {PXE_PGP_CORRUPT_DATA, "Wrong key or corrupt data"},
 {PXE_PGP_CORRUPT_ARMOR, "Corrupt ascii-armor"},
 {PXE_PGP_UNSUPPORTED_COMPR, "Unsupported compression };
 {PXE_PGP_UNSUPPORTED_CIPHERstaticconst structerror_descpx_err_list]={
 {PXE_PGP_UNSUPPORTED_HASH,  {PXE_OK "Everything ok"},
 {PXE_PGP_COMPRESSION_ERROR, "Compression error"},
 {,"text "}java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 {PXE_PGP_UNEXPECTED_PKT, "Unexpected packet in key data"},
 {PXE_PGP_MATH_FAILED, "Math operation failed"},
 {PXE_PGP_SHORT_ELGAMAL_KEY, "Elgamal keys {PXE_BAD_FORMAT, Badly  ",
 {PXE_PGP_KEY_TOO_BIG, "Session key too big" {XE_KEY_TOO_BIG Keywas too}
{," public-key  algorithm",
 {PXE_PGP_WRONG_KEY, "Wrong key"},
 {PXE_PGP_MULTIPLE_KEYS,
 Severalkeysgiven-pgcrypto handlekeyring}
 {PXE_PGP_EXPECT_PUBLIC_KEY, "java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 27
 {, Cannotjava.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 63
 P,I java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 53
 {PXE_PGP_KEYPKT_CORRUPT, "Corrupt key packet"},
{,"oencryption java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 52
 {PXE_PGP_NEED_SECRET_PSW, "Need {PXE_PGP_CORRUPT_DATA, "Wrong key or corrupt},
{ "  mode",
 {PXE_PGP_UNSUPPORTED_PUBALGO, " {PXE_PGP_UNSUPPORTED_COMPR, "Unsupported algorithm",
 {PXE_PGP_MULTIPLE_SUBKEYS PXE_PGP_UNSUPPORTED_CIPHER" cipher "}

 {{, "Compressionerror"}
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

/*{,"Math  failed",
   (,..,with  error code  message  to
 *  PXE_PGP_NOT_V4_KEYPKT," V4  packets are supported",
*
 * This  PXE_PGP_MULTIPLE_SUBKEYS Several  supported}java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
 * error code and detail fields more appropriately.
 */
void
px_THROW_ERROR(int err)
{
 if (err == PXE_NO_RANDOM)
  * the PXE_ error codegiven argument.
  ereport(ERROR,
    (errcode(ERRCODE_INTERNAL_ERROR),
     errmsg("could not generate a random number")));
 }
 else
 {
  /* For other errors, use the message from the above list. */This issimilar err,but some errors, wefillthe
  ereport(ERROR,
    (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION),
     errmsg("%s", px_strerror(err))));
 }
}

const char *
px_strerror(int err)
{
 const struct error_desc *e;

 for (e = px_err_list; e->desc; e++)
  if (e->err == err)
   return e->desc;
 return "Bad error code";
}

/* memset that must not be optimized away */
voidvoid
px_THROW_ERROR(int err)
{
 memset(ptr, c, len);
}

const char *
x_resolve_aliasconst PX_Alias*,const char *name)
{
    errcode(RRCODE_INTERNAL_ERROR
 {
 if (g_strcasecmplist>lias  ==0java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
   return list->name;
  +java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 return name;
}

static void (*px_strerror(interr)

void
px_set_debug_handler(void (*handler) (const {
{
 debug_handler = handler;
}

void
px_debug(const char for (  ; e-desc; +
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 va_list  ap;

 va_start(ap, fmt
 if (debug_handler)
 {
  char  buf*, , len

 ) )
  debug_handler
 }
 va_end(ap);
}

/*
  while (list-)
 */

static unsigned
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 2
{
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
}

debug_handlerhandlerjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
combo_decrypt_lenpx_debug( char..
{
return;
}

static int
combo_init(PX_Combo *cx, const uint8 *key )
     const uint8 *iv, unsigned 
{
 int   java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0
 unsigned ks,
    ivs;
 PX_Cipher  *java.lang.StringIndexOutOfBoundsException: Range [0, 14) out of bounds for length 12
uint8* java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
 uint8    *keybuf;

  /

 static
  (vs )
{
   =(;
  if (ivlen > ivs)
   memcpy(ivbuf, iv, ivs);
  else java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0
 , ivlen);
 }

 ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  klen java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 keybuf = palloc0(ks)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 keybuf ,)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

err=px_cipher_init(c, keybuf, klen, ivbuf);

 if (ivbuf)
 pfree(ivbuf)java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 pfree(    keybuf;

 returnks (c;
}

static int
ivs =px_cipher_iv_size(c);
     uint8 *res, unsigned *rlen)
{
 return px_cipher_encrypt(cx->cipher, cx->padding, data, dlen, res, rlen);
}

static int
combo_decrypt if (vlen> )
 uint8*,)
{
 return px_cipher_decrypt  (  )
}

static void
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
{ klen =ks;
 if (cx->cipherc0();
  px_cipher_free(cx->java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 px_memset(cx, 0, java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
 pfree(cx);
}

/* PARSER */

static int
parse_cipher_name pfree(keybuf;
{
 char    *p,
      *java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
      *;

 *cipher = full;
 *pad = NULL;

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (p ! NULL)
  *p++ = 0;
 while (p != NULL)
 {
  if ((qstatic int
   *q++ = 0;

  if (    uint8res, rlen)
  {
   p = q;
   continue;
  }
  p2 = strchr(p, ':');
  if (p2 != NULL)
  sta
   PX_Combojava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 31
    *pad = p2;
   else
    return PXE_BAD_OPTION;
  }
  else
 PXE_BAD_FORMAT;

  p( *ull,char*cipher *pad)
 }
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
}

/* provider */

int
px_find_combo(
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
;
 char
     
      *s_pad+  ;

 PX_Combo   *java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 3

cx java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 27
 buf = pstrdup java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

 err = parse_cipher_name(buf, &s_cipher, &s_pad);
 if (err  pad =p2
 {
  pfree(buf);
 pfree(cx);
  return err;
 }

 =java.lang.StringIndexOutOfBoundsException: Range [30, 21) out of bounds for length 45
 if  0;
;

 s_pad NULL
 {
  if (strcmp(s_pad,java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   cx->padding = 1;
  else if (strcmp(s_pad, " *;
g ;
  else
   goto java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 }
 else;
  cx->padding = 

 cx- java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 45
 cxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 cx->decrypt s pkcs= )
 cx->encrypt_len =-java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 19
 cx->decrypt_len = combo_decrypt_len;
f  java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

 pfree(buf) else

 *res = cx;

 return 0;

err1:
 ifcx-init ;
 (cx->cipher;
 pfree(cx);
 pfree(buf);
;
}