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packages/net/btpd/patches/000-sha1.diff
swalker 0638217836 [packages] btpd: update to 0.16 
* drop the openssl changes that were re-added in r16657
 * update to current gnulib sha1 code
 * re-add gnulib config header guard
 * mark conffile
 * use PKG_INSTALL


git-svn-id: svn://svn.openwrt.org/openwrt/packages@24776 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-12-22 03:33:49 +00:00

732 lines
22 KiB
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--- a/btpd/btpd.c
+++ b/btpd/btpd.c
@@ -1,6 +1,6 @@
#include "btpd.h"
-#include <openssl/sha.h>
+#include "sha1.h"
#include <signal.h>
static uint8_t m_peer_id[20];
@@ -114,7 +114,7 @@ btpd_init(void)
idcon[sizeof(idcon) - 1] = '\0';
n = strlen(idcon);
- SHA1(idcon, n, m_peer_id);
+ sha1_buffer(idcon, n, m_peer_id);
bcopy(m_peer_id, &seed, sizeof(seed));
bcopy(BTPD_VERSION, m_peer_id, sizeof(BTPD_VERSION) - 1);
m_peer_id[sizeof(BTPD_VERSION) - 1] = '|';
--- a/btpd/content.c
+++ b/btpd/content.c
@@ -1,6 +1,6 @@
#include "btpd.h"
-#include <openssl/sha.h>
+#include "sha1.h"
#include <stream.h>
struct content {
@@ -60,16 +60,16 @@ static struct timeout m_workev;
static int
test_hash(struct torrent *tp, uint8_t *hash, uint32_t piece)
{
- char piece_hash[SHA_DIGEST_LENGTH];
+ char piece_hash[SHA1_DIGEST_SIZE];
tlib_read_hash(tp->tl, tp->pieces_off, piece, piece_hash);
- return bcmp(hash, piece_hash, SHA_DIGEST_LENGTH);
+ return bcmp(hash, piece_hash, SHA1_DIGEST_SIZE);
}
static int
test_piece(struct torrent *tp, uint32_t piece, int *ok)
{
int err;
- uint8_t hash[SHA_DIGEST_LENGTH];
+ uint8_t hash[SHA1_DIGEST_SIZE];
if ((err = bts_sha(tp->cm->rds, piece * tp->piece_length,
torrent_piece_size(tp, piece), hash)) != 0) {
btpd_log(BTPD_L_ERROR, "io error on '%s' (%s).\n",
--- a/btpd/download_subr.c
+++ b/btpd/download_subr.c
@@ -21,7 +21,7 @@
#include "btpd.h"
-#include <openssl/sha.h>
+#include "sha1.h"
#include <stream.h>
static void
@@ -42,7 +42,7 @@ piece_log_hashes(struct piece *pc)
for (unsigned i = 0; i < pc->nblocks; i++) {
uint32_t bsize = torrent_block_size(tp, pc->index, pc->nblocks, i);
cm_get_bytes(tp, pc->index, i * PIECE_BLOCKLEN, bsize, &buf);
- SHA1(buf, bsize, &log->hashes[i * 20]);
+ sha1_buffer(buf, bsize, &log->hashes[i * 20]);
free(buf);
}
}
--- a/btpd/torrent.c
+++ b/btpd/torrent.c
@@ -1,7 +1,5 @@
#include "btpd.h"
-#include <openssl/sha.h>
-
#define SAVE_INTERVAL 300
static unsigned m_nghosts;
--- a/configure.ac
+++ b/configure.ac
@@ -29,13 +29,6 @@ rm -f conftest.c conftest.$OBJEXT
rm -f conftest.c conftest.$OBJEXT
[$3]))
-AC_ARG_WITH(openssl,
-[ --with-openssl=dir use openssl installed in dir],
-[
- AC_SUBST(openssl_LDFLAGS,["-L${withval}/lib -Wl,-R,${withval}/lib"])
- AC_SUBST(openssl_CPPFLAGS,"-I${withval}/include")
-])
-
AC_ARG_WITH(evloop-method,
[ --with-evloop-method select evloop method (epoll,poll,kqueue)],
evloop_methods=$withval,
@@ -76,11 +69,6 @@ CC_ARGS_OK_IFELSE(-Wno-pointer-sign,
,
AC_MSG_RESULT(no))
-old_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS $openssl_LDFLAGS"
-AC_CHECK_LIB(crypto, SHA1_Final,:,AC_MSG_FAILURE(btpd needs openssl's libraries and headers))
-LDFLAGS=$old_LDFLAGS
-
for m in $evloop_methods; do
case $m in
epoll)
--- a/misc/metainfo.c
+++ b/misc/metainfo.c
@@ -6,8 +6,7 @@
#include <string.h>
#include <strings.h>
-#include <openssl/sha.h>
-
+#include "sha1.h"
#include "benc.h"
#include "metainfo.h"
#include "subr.h"
@@ -159,7 +158,7 @@ mi_info_hash(const char *p, uint8_t *has
if (hash == NULL)
if ((hash = malloc(20)) == NULL)
return NULL;
- return SHA1(info, benc_length(info), hash);
+ return (uint8_t *)sha1_buffer(info, benc_length(info), hash);
}
char *
--- /dev/null
+++ b/misc/sha1.c
@@ -0,0 +1,428 @@
+/* sha1.c - Functions to compute SHA1 message digest of files or
+ memory blocks according to the NIST specification FIPS-180-1.
+
+ Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2008, 2009, 2010 Free
+ Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Scott G. Miller
+ Credits:
+ Robert Klep <robert@ilse.nl> -- Expansion function fix
+*/
+
+#include <config.h>
+
+#include "sha1.h"
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+#endif
+
+#ifdef WORDS_BIGENDIAN
+# define SWAP(n) (n)
+#else
+# define SWAP(n) \
+ (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
+#endif
+
+#define BLOCKSIZE 32768
+#if BLOCKSIZE % 64 != 0
+# error "invalid BLOCKSIZE"
+#endif
+
+/* This array contains the bytes used to pad the buffer to the next
+ 64-byte boundary. (RFC 1321, 3.1: Step 1) */
+static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ };
+
+
+/* Take a pointer to a 160 bit block of data (five 32 bit ints) and
+ initialize it to the start constants of the SHA1 algorithm. This
+ must be called before using hash in the call to sha1_hash. */
+void
+sha1_init_ctx (struct sha1_ctx *ctx)
+{
+ ctx->A = 0x67452301;
+ ctx->B = 0xefcdab89;
+ ctx->C = 0x98badcfe;
+ ctx->D = 0x10325476;
+ ctx->E = 0xc3d2e1f0;
+
+ ctx->total[0] = ctx->total[1] = 0;
+ ctx->buflen = 0;
+}
+
+/* Copy the 4 byte value from v into the memory location pointed to by *cp,
+ If your architecture allows unaligned access this is equivalent to
+ * (uint32_t *) cp = v */
+static inline void
+set_uint32 (char *cp, uint32_t v)
+{
+ memcpy (cp, &v, sizeof v);
+}
+
+/* Put result from CTX in first 20 bytes following RESBUF. The result
+ must be in little endian byte order. */
+void *
+sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf)
+{
+ char *r = resbuf;
+ set_uint32 (r + 0 * sizeof ctx->A, SWAP (ctx->A));
+ set_uint32 (r + 1 * sizeof ctx->B, SWAP (ctx->B));
+ set_uint32 (r + 2 * sizeof ctx->C, SWAP (ctx->C));
+ set_uint32 (r + 3 * sizeof ctx->D, SWAP (ctx->D));
+ set_uint32 (r + 4 * sizeof ctx->E, SWAP (ctx->E));
+
+ return resbuf;
+}
+
+/* Process the remaining bytes in the internal buffer and the usual
+ prolog according to the standard and write the result to RESBUF. */
+void *
+sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf)
+{
+ /* Take yet unprocessed bytes into account. */
+ uint32_t bytes = ctx->buflen;
+ size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4;
+
+ /* Now count remaining bytes. */
+ ctx->total[0] += bytes;
+ if (ctx->total[0] < bytes)
+ ++ctx->total[1];
+
+ /* Put the 64-bit file length in *bits* at the end of the buffer. */
+ ctx->buffer[size - 2] = SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29));
+ ctx->buffer[size - 1] = SWAP (ctx->total[0] << 3);
+
+ memcpy (&((char *) ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes);
+
+ /* Process last bytes. */
+ sha1_process_block (ctx->buffer, size * 4, ctx);
+
+ return sha1_read_ctx (ctx, resbuf);
+}
+
+/* Compute SHA1 message digest for bytes read from STREAM. The
+ resulting message digest number will be written into the 16 bytes
+ beginning at RESBLOCK. */
+int
+sha1_stream (FILE *stream, void *resblock)
+{
+ struct sha1_ctx ctx;
+ size_t sum;
+
+ char *buffer = malloc (BLOCKSIZE + 72);
+ if (!buffer)
+ return 1;
+
+ /* Initialize the computation context. */
+ sha1_init_ctx (&ctx);
+
+ /* Iterate over full file contents. */
+ while (1)
+ {
+ /* We read the file in blocks of BLOCKSIZE bytes. One call of the
+ computation function processes the whole buffer so that with the
+ next round of the loop another block can be read. */
+ size_t n;
+ sum = 0;
+
+ /* Read block. Take care for partial reads. */
+ while (1)
+ {
+ n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream);
+
+ sum += n;
+
+ if (sum == BLOCKSIZE)
+ break;
+
+ if (n == 0)
+ {
+ /* Check for the error flag IFF N == 0, so that we don't
+ exit the loop after a partial read due to e.g., EAGAIN
+ or EWOULDBLOCK. */
+ if (ferror (stream))
+ {
+ free (buffer);
+ return 1;
+ }
+ goto process_partial_block;
+ }
+
+ /* We've read at least one byte, so ignore errors. But always
+ check for EOF, since feof may be true even though N > 0.
+ Otherwise, we could end up calling fread after EOF. */
+ if (feof (stream))
+ goto process_partial_block;
+ }
+
+ /* Process buffer with BLOCKSIZE bytes. Note that
+ BLOCKSIZE % 64 == 0
+ */
+ sha1_process_block (buffer, BLOCKSIZE, &ctx);
+ }
+
+ process_partial_block:;
+
+ /* Process any remaining bytes. */
+ if (sum > 0)
+ sha1_process_bytes (buffer, sum, &ctx);
+
+ /* Construct result in desired memory. */
+ sha1_finish_ctx (&ctx, resblock);
+ free (buffer);
+ return 0;
+}
+
+/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The
+ result is always in little endian byte order, so that a byte-wise
+ output yields to the wanted ASCII representation of the message
+ digest. */
+void *
+sha1_buffer (const char *buffer, size_t len, void *resblock)
+{
+ struct sha1_ctx ctx;
+
+ /* Initialize the computation context. */
+ sha1_init_ctx (&ctx);
+
+ /* Process whole buffer but last len % 64 bytes. */
+ sha1_process_bytes (buffer, len, &ctx);
+
+ /* Put result in desired memory area. */
+ return sha1_finish_ctx (&ctx, resblock);
+}
+
+void
+sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx)
+{
+ /* When we already have some bits in our internal buffer concatenate
+ both inputs first. */
+ if (ctx->buflen != 0)
+ {
+ size_t left_over = ctx->buflen;
+ size_t add = 128 - left_over > len ? len : 128 - left_over;
+
+ memcpy (&((char *) ctx->buffer)[left_over], buffer, add);
+ ctx->buflen += add;
+
+ if (ctx->buflen > 64)
+ {
+ sha1_process_block (ctx->buffer, ctx->buflen & ~63, ctx);
+
+ ctx->buflen &= 63;
+ /* The regions in the following copy operation cannot overlap. */
+ memcpy (ctx->buffer,
+ &((char *) ctx->buffer)[(left_over + add) & ~63],
+ ctx->buflen);
+ }
+
+ buffer = (const char *) buffer + add;
+ len -= add;
+ }
+
+ /* Process available complete blocks. */
+ if (len >= 64)
+ {
+#if !_STRING_ARCH_unaligned
+# define alignof(type) offsetof (struct { char c; type x; }, x)
+# define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0)
+ if (UNALIGNED_P (buffer))
+ while (len > 64)
+ {
+ sha1_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
+ buffer = (const char *) buffer + 64;
+ len -= 64;
+ }
+ else
+#endif
+ {
+ sha1_process_block (buffer, len & ~63, ctx);
+ buffer = (const char *) buffer + (len & ~63);
+ len &= 63;
+ }
+ }
+
+ /* Move remaining bytes in internal buffer. */
+ if (len > 0)
+ {
+ size_t left_over = ctx->buflen;
+
+ memcpy (&((char *) ctx->buffer)[left_over], buffer, len);
+ left_over += len;
+ if (left_over >= 64)
+ {
+ sha1_process_block (ctx->buffer, 64, ctx);
+ left_over -= 64;
+ memcpy (ctx->buffer, &ctx->buffer[16], left_over);
+ }
+ ctx->buflen = left_over;
+ }
+}
+
+/* --- Code below is the primary difference between md5.c and sha1.c --- */
+
+/* SHA1 round constants */
+#define K1 0x5a827999
+#define K2 0x6ed9eba1
+#define K3 0x8f1bbcdc
+#define K4 0xca62c1d6
+
+/* Round functions. Note that F2 is the same as F4. */
+#define F1(B,C,D) ( D ^ ( B & ( C ^ D ) ) )
+#define F2(B,C,D) (B ^ C ^ D)
+#define F3(B,C,D) ( ( B & C ) | ( D & ( B | C ) ) )
+#define F4(B,C,D) (B ^ C ^ D)
+
+/* Process LEN bytes of BUFFER, accumulating context into CTX.
+ It is assumed that LEN % 64 == 0.
+ Most of this code comes from GnuPG's cipher/sha1.c. */
+
+void
+sha1_process_block (const void *buffer, size_t len, struct sha1_ctx *ctx)
+{
+ const uint32_t *words = buffer;
+ size_t nwords = len / sizeof (uint32_t);
+ const uint32_t *endp = words + nwords;
+ uint32_t x[16];
+ uint32_t a = ctx->A;
+ uint32_t b = ctx->B;
+ uint32_t c = ctx->C;
+ uint32_t d = ctx->D;
+ uint32_t e = ctx->E;
+
+ /* First increment the byte count. RFC 1321 specifies the possible
+ length of the file up to 2^64 bits. Here we only compute the
+ number of bytes. Do a double word increment. */
+ ctx->total[0] += len;
+ if (ctx->total[0] < len)
+ ++ctx->total[1];
+
+#define rol(x, n) (((x) << (n)) | ((uint32_t) (x) >> (32 - (n))))
+
+#define M(I) ( tm = x[I&0x0f] ^ x[(I-14)&0x0f] \
+ ^ x[(I-8)&0x0f] ^ x[(I-3)&0x0f] \
+ , (x[I&0x0f] = rol(tm, 1)) )
+
+#define R(A,B,C,D,E,F,K,M) do { E += rol( A, 5 ) \
+ + F( B, C, D ) \
+ + K \
+ + M; \
+ B = rol( B, 30 ); \
+ } while(0)
+
+ while (words < endp)
+ {
+ uint32_t tm;
+ int t;
+ for (t = 0; t < 16; t++)
+ {
+ x[t] = SWAP (*words);
+ words++;
+ }
+
+ R( a, b, c, d, e, F1, K1, x[ 0] );
+ R( e, a, b, c, d, F1, K1, x[ 1] );
+ R( d, e, a, b, c, F1, K1, x[ 2] );
+ R( c, d, e, a, b, F1, K1, x[ 3] );
+ R( b, c, d, e, a, F1, K1, x[ 4] );
+ R( a, b, c, d, e, F1, K1, x[ 5] );
+ R( e, a, b, c, d, F1, K1, x[ 6] );
+ R( d, e, a, b, c, F1, K1, x[ 7] );
+ R( c, d, e, a, b, F1, K1, x[ 8] );
+ R( b, c, d, e, a, F1, K1, x[ 9] );
+ R( a, b, c, d, e, F1, K1, x[10] );
+ R( e, a, b, c, d, F1, K1, x[11] );
+ R( d, e, a, b, c, F1, K1, x[12] );
+ R( c, d, e, a, b, F1, K1, x[13] );
+ R( b, c, d, e, a, F1, K1, x[14] );
+ R( a, b, c, d, e, F1, K1, x[15] );
+ R( e, a, b, c, d, F1, K1, M(16) );
+ R( d, e, a, b, c, F1, K1, M(17) );
+ R( c, d, e, a, b, F1, K1, M(18) );
+ R( b, c, d, e, a, F1, K1, M(19) );
+ R( a, b, c, d, e, F2, K2, M(20) );
+ R( e, a, b, c, d, F2, K2, M(21) );
+ R( d, e, a, b, c, F2, K2, M(22) );
+ R( c, d, e, a, b, F2, K2, M(23) );
+ R( b, c, d, e, a, F2, K2, M(24) );
+ R( a, b, c, d, e, F2, K2, M(25) );
+ R( e, a, b, c, d, F2, K2, M(26) );
+ R( d, e, a, b, c, F2, K2, M(27) );
+ R( c, d, e, a, b, F2, K2, M(28) );
+ R( b, c, d, e, a, F2, K2, M(29) );
+ R( a, b, c, d, e, F2, K2, M(30) );
+ R( e, a, b, c, d, F2, K2, M(31) );
+ R( d, e, a, b, c, F2, K2, M(32) );
+ R( c, d, e, a, b, F2, K2, M(33) );
+ R( b, c, d, e, a, F2, K2, M(34) );
+ R( a, b, c, d, e, F2, K2, M(35) );
+ R( e, a, b, c, d, F2, K2, M(36) );
+ R( d, e, a, b, c, F2, K2, M(37) );
+ R( c, d, e, a, b, F2, K2, M(38) );
+ R( b, c, d, e, a, F2, K2, M(39) );
+ R( a, b, c, d, e, F3, K3, M(40) );
+ R( e, a, b, c, d, F3, K3, M(41) );
+ R( d, e, a, b, c, F3, K3, M(42) );
+ R( c, d, e, a, b, F3, K3, M(43) );
+ R( b, c, d, e, a, F3, K3, M(44) );
+ R( a, b, c, d, e, F3, K3, M(45) );
+ R( e, a, b, c, d, F3, K3, M(46) );
+ R( d, e, a, b, c, F3, K3, M(47) );
+ R( c, d, e, a, b, F3, K3, M(48) );
+ R( b, c, d, e, a, F3, K3, M(49) );
+ R( a, b, c, d, e, F3, K3, M(50) );
+ R( e, a, b, c, d, F3, K3, M(51) );
+ R( d, e, a, b, c, F3, K3, M(52) );
+ R( c, d, e, a, b, F3, K3, M(53) );
+ R( b, c, d, e, a, F3, K3, M(54) );
+ R( a, b, c, d, e, F3, K3, M(55) );
+ R( e, a, b, c, d, F3, K3, M(56) );
+ R( d, e, a, b, c, F3, K3, M(57) );
+ R( c, d, e, a, b, F3, K3, M(58) );
+ R( b, c, d, e, a, F3, K3, M(59) );
+ R( a, b, c, d, e, F4, K4, M(60) );
+ R( e, a, b, c, d, F4, K4, M(61) );
+ R( d, e, a, b, c, F4, K4, M(62) );
+ R( c, d, e, a, b, F4, K4, M(63) );
+ R( b, c, d, e, a, F4, K4, M(64) );
+ R( a, b, c, d, e, F4, K4, M(65) );
+ R( e, a, b, c, d, F4, K4, M(66) );
+ R( d, e, a, b, c, F4, K4, M(67) );
+ R( c, d, e, a, b, F4, K4, M(68) );
+ R( b, c, d, e, a, F4, K4, M(69) );
+ R( a, b, c, d, e, F4, K4, M(70) );
+ R( e, a, b, c, d, F4, K4, M(71) );
+ R( d, e, a, b, c, F4, K4, M(72) );
+ R( c, d, e, a, b, F4, K4, M(73) );
+ R( b, c, d, e, a, F4, K4, M(74) );
+ R( a, b, c, d, e, F4, K4, M(75) );
+ R( e, a, b, c, d, F4, K4, M(76) );
+ R( d, e, a, b, c, F4, K4, M(77) );
+ R( c, d, e, a, b, F4, K4, M(78) );
+ R( b, c, d, e, a, F4, K4, M(79) );
+
+ a = ctx->A += a;
+ b = ctx->B += b;
+ c = ctx->C += c;
+ d = ctx->D += d;
+ e = ctx->E += e;
+ }
+}
--- /dev/null
+++ b/misc/sha1.h
@@ -0,0 +1,92 @@
+/* Declarations of functions and data types used for SHA1 sum
+ library functions.
+ Copyright (C) 2000, 2001, 2003, 2005, 2006, 2008, 2009, 2010 Free Software
+ Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef SHA1_H
+# define SHA1_H 1
+
+# include <stdio.h>
+# include <stdint.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+#define SHA1_DIGEST_SIZE 20
+
+/* Structure to save state of computation between the single steps. */
+struct sha1_ctx
+{
+ uint32_t A;
+ uint32_t B;
+ uint32_t C;
+ uint32_t D;
+ uint32_t E;
+
+ uint32_t total[2];
+ uint32_t buflen;
+ uint32_t buffer[32];
+};
+
+
+/* Initialize structure containing state of computation. */
+extern void sha1_init_ctx (struct sha1_ctx *ctx);
+
+/* Starting with the result of former calls of this function (or the
+ initialization function update the context for the next LEN bytes
+ starting at BUFFER.
+ It is necessary that LEN is a multiple of 64!!! */
+extern void sha1_process_block (const void *buffer, size_t len,
+ struct sha1_ctx *ctx);
+
+/* Starting with the result of former calls of this function (or the
+ initialization function update the context for the next LEN bytes
+ starting at BUFFER.
+ It is NOT required that LEN is a multiple of 64. */
+extern void sha1_process_bytes (const void *buffer, size_t len,
+ struct sha1_ctx *ctx);
+
+/* Process the remaining bytes in the buffer and put result from CTX
+ in first 20 bytes following RESBUF. The result is always in little
+ endian byte order, so that a byte-wise output yields to the wanted
+ ASCII representation of the message digest. */
+extern void *sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf);
+
+
+/* Put result from CTX in first 20 bytes following RESBUF. The result is
+ always in little endian byte order, so that a byte-wise output yields
+ to the wanted ASCII representation of the message digest. */
+extern void *sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf);
+
+
+/* Compute SHA1 message digest for bytes read from STREAM. The
+ resulting message digest number will be written into the 20 bytes
+ beginning at RESBLOCK. */
+extern int sha1_stream (FILE *stream, void *resblock);
+
+/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The
+ result is always in little endian byte order, so that a byte-wise
+ output yields to the wanted ASCII representation of the message
+ digest. */
+extern void *sha1_buffer (const char *buffer, size_t len, void *resblock);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif
--- a/misc/stream.c
+++ b/misc/stream.c
@@ -5,7 +5,7 @@
#include <stdlib.h>
#include <unistd.h>
-#include <openssl/sha.h>
+#include "sha1.h"
#include "metainfo.h"
#include "subr.h"
@@ -161,21 +161,21 @@ bts_put(struct bt_stream *bts, off_t off
int
bts_sha(struct bt_stream *bts, off_t start, off_t length, uint8_t *hash)
{
- SHA_CTX ctx;
+ struct sha1_ctx ctx;
char buf[SHAFILEBUF];
size_t wantread;
int err = 0;
- SHA1_Init(&ctx);
+ sha1_init_ctx(&ctx);
while (length > 0) {
wantread = min(length, SHAFILEBUF);
if ((err = bts_get(bts, start, buf, wantread)) != 0)
break;
length -= wantread;
start += wantread;
- SHA1_Update(&ctx, buf, wantread);
+ sha1_process_bytes(buf, wantread, &ctx);
}
- SHA1_Final(hash, &ctx);
+ sha1_finish_ctx(&ctx, hash);
return err;
}
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
AM_CFLAGS=-std=c99 -Wall @WARNNPS@
-AM_CPPFLAGS=-D_FILE_OFFSET_BITS=64 -D@EVLOOP_METHOD@ -I$(top_srcdir)/misc -I$(top_srcdir)/evloop @openssl_CPPFLAGS@
-AM_LDFLAGS=@openssl_LDFLAGS@
+AM_CPPFLAGS=-D_FILE_OFFSET_BITS=64 -D@EVLOOP_METHOD@ -I$(top_srcdir)/misc -I$(top_srcdir)/evloop
+AM_LDFLAGS=
bin_PROGRAMS=btpd/btpd cli/btcli cli/btinfo
noinst_LIBRARIES=misc/libmisc.a evloop/libevloop.a
@@ -25,15 +25,15 @@ btpd_btpd_SOURCES=\
btpd/upload.c btpd/upload.h\
btpd/util.c
btpd_btpd_CFLAGS=@TD_CFLAGS@ $(AM_CFLAGS)
-btpd_btpd_LDADD=@TD_LIBS@ misc/libmisc.a evloop/libevloop.a -lcrypto -lm @CLOCKLIB@ @INETLIBS@
+btpd_btpd_LDADD=@TD_LIBS@ misc/libmisc.a evloop/libevloop.a -lm @CLOCKLIB@ @INETLIBS@
# btinfo
cli_btinfo_SOURCES=cli/btinfo.c
-cli_btinfo_LDADD=misc/libmisc.a -lcrypto -lm
+cli_btinfo_LDADD=misc/libmisc.a -lm
# btcli
cli_btcli_SOURCES=cli/btcli.c cli/btcli.h cli/add.c cli/del.c cli/list.c cli/kill.c cli/start.c cli/stop.c cli/stat.c
-cli_btcli_LDADD=misc/libmisc.a -lcrypto -lm @INETLIBS@
+cli_btcli_LDADD=misc/libmisc.a -lm @INETLIBS@
# libmisc
misc_libmisc_a_SOURCES=\
@@ -45,7 +45,8 @@ misc_libmisc_a_SOURCES=\
misc/iobuf.c misc/iobuf.h\
misc/queue.h\
misc/stream.c misc/stream.h\
- misc/subr.c misc/subr.h
+ misc/subr.c misc/subr.h\
+ misc/sha1.c misc/sha1.h
# evloop
EXTRA_evloop_libevloop_a_SOURCES=evloop/epoll.c evloop/kqueue.c evloop/poll.c
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