mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 12:10:37 +00:00
rtsp: Use GLib's GChecksum instead of our own MD5 implementation
This commit is contained in:
Sebastian Dröge
parent
689a4d4c10
commit
79ade6ad68
4 changed files with 34 additions and 343 deletions
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@ -24,13 +24,12 @@ libgstrtsp_@GST_MAJORMINOR@_la_SOURCES = gstrtspbase64.c \
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gstrtspmessage.c \
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gstrtspmessage.c \
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gstrtsprange.c \
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gstrtsprange.c \
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gstrtsptransport.c \
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gstrtsptransport.c \
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gstrtspurl.c \
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gstrtspurl.c
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md5.c
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nodist_libgstrtsp_@GST_MAJORMINOR@_la_SOURCES = $(built_sources)
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nodist_libgstrtsp_@GST_MAJORMINOR@_la_SOURCES = $(built_sources)
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nodist_libgstrtspinclude_HEADERS = gstrtsp-enumtypes.h
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nodist_libgstrtspinclude_HEADERS = gstrtsp-enumtypes.h
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noinst_HEADERS = gstrtsp.h md5.h
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noinst_HEADERS = gstrtsp.h
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#gstrtspextwms.c
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#gstrtspextwms.c
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#rtspextreal.c
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#rtspextreal.c
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@ -96,7 +96,6 @@
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#include "gstrtspconnection.h"
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#include "gstrtspconnection.h"
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#include "gstrtspbase64.h"
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#include "gstrtspbase64.h"
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#include "md5.h"
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union gst_sockaddr
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union gst_sockaddr
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{
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{
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@ -884,34 +883,24 @@ tunneling_failed:
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}
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}
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}
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}
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static void
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md5_digest_to_hex_string (unsigned char digest[16], char string[33])
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{
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static const char hexdigits[] = "0123456789abcdef";
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int i;
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for (i = 0; i < 16; i++) {
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string[i * 2] = hexdigits[(digest[i] >> 4) & 0x0f];
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string[i * 2 + 1] = hexdigits[digest[i] & 0x0f];
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}
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string[32] = 0;
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}
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static void
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static void
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auth_digest_compute_hex_urp (const gchar * username,
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auth_digest_compute_hex_urp (const gchar * username,
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const gchar * realm, const gchar * password, gchar hex_urp[33])
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const gchar * realm, const gchar * password, gchar hex_urp[33])
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{
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{
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struct MD5Context md5_context;
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GChecksum *md5_context = g_checksum_new (G_CHECKSUM_MD5);
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unsigned char digest[16];
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const gchar *digest_string;
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MD5Init (&md5_context);
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g_checksum_update (md5_context, (const guchar *) username, strlen (username));
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MD5Update (&md5_context, username, strlen (username));
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g_checksum_update (md5_context, (const guchar *) ":", 1);
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MD5Update (&md5_context, ":", 1);
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g_checksum_update (md5_context, (const guchar *) realm, strlen (realm));
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MD5Update (&md5_context, realm, strlen (realm));
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g_checksum_update (md5_context, (const guchar *) ":", 1);
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MD5Update (&md5_context, ":", 1);
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g_checksum_update (md5_context, (const guchar *) password, strlen (password));
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MD5Update (&md5_context, password, strlen (password));
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digest_string = g_checksum_get_string (md5_context);
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MD5Final (digest, &md5_context);
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md5_digest_to_hex_string (digest, hex_urp);
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memset (hex_urp, 0, 33);
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memcpy (hex_urp, digest_string, strlen (digest_string));
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g_checksum_free (md5_context);
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}
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}
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static void
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static void
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@ -919,28 +908,30 @@ auth_digest_compute_response (const gchar * method,
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const gchar * uri, const gchar * hex_a1, const gchar * nonce,
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const gchar * uri, const gchar * hex_a1, const gchar * nonce,
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gchar response[33])
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gchar response[33])
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{
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{
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char hex_a2[33];
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char hex_a2[33] = { 0, };
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struct MD5Context md5_context;
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GChecksum *md5_context = g_checksum_new (G_CHECKSUM_MD5);
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unsigned char digest[16];
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const gchar *digest_string;
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/* compute A2 */
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/* compute A2 */
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MD5Init (&md5_context);
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g_checksum_update (md5_context, (const guchar *) method, strlen (method));
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MD5Update (&md5_context, method, strlen (method));
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g_checksum_update (md5_context, (const guchar *) ":", 1);
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MD5Update (&md5_context, ":", 1);
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g_checksum_update (md5_context, (const guchar *) uri, strlen (uri));
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MD5Update (&md5_context, uri, strlen (uri));
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digest_string = g_checksum_get_string (md5_context);
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MD5Final (digest, &md5_context);
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memcpy (hex_a2, digest_string, strlen (digest_string));
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md5_digest_to_hex_string (digest, hex_a2);
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/* compute KD */
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/* compute KD */
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MD5Init (&md5_context);
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g_checksum_reset (md5_context);
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MD5Update (&md5_context, hex_a1, strlen (hex_a1));
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g_checksum_update (md5_context, (const guchar *) hex_a1, strlen (hex_a1));
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MD5Update (&md5_context, ":", 1);
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g_checksum_update (md5_context, (const guchar *) ":", 1);
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MD5Update (&md5_context, nonce, strlen (nonce));
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g_checksum_update (md5_context, (const guchar *) nonce, strlen (nonce));
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MD5Update (&md5_context, ":", 1);
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g_checksum_update (md5_context, (const guchar *) ":", 1);
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MD5Update (&md5_context, hex_a2, 32);
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g_checksum_update (md5_context, (const guchar *) hex_a2, 32);
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MD5Final (digest, &md5_context);
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digest_string = g_checksum_get_string (md5_context);
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md5_digest_to_hex_string (digest, response);
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memset (response, 0, sizeof (response));
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memcpy (response, digest_string, strlen (digest_string));
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g_checksum_free (md5_context);
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}
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}
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static void
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static void
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@ -1,271 +0,0 @@
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/*
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* This code implements the MD5 message-digest algorithm.
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* The algorithm is due to Ron Rivest. This code was
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* written by Colin Plumb in 1993, no copyright is claimed.
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* This code is in the public domain; do with it what you wish.
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*
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* Equivalent code is available from RSA Data Security, Inc.
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* This code has been tested against that, and is equivalent,
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* except that you don't need to include two pages of legalese
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* with every copy.
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*
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* To compute the message digest of a chunk of bytes, declare an
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* MD5Context structure, pass it to MD5Init, call MD5Update as
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* needed on buffers full of bytes, and then call MD5Final, which
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* will fill a supplied 16-byte array with the digest.
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*/
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/* Brutally hacked by John Walker back from ANSI C to K&R (no
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prototypes) to maintain the tradition that Netfone will compile
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with Sun's original "cc". */
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#include <string.h> /* for memcpy() */
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#include <glib.h>
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#include "md5.h"
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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#define HIGHFIRST
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#endif
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#ifndef HIGHFIRST
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#define byteReverse(buf, len) /* Nothing */
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#else
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/*
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* Note: this code is harmless on little-endian machines.
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*/
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void
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byteReverse (buf, longs)
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unsigned char *buf;
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unsigned longs;
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{
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uint32 t;
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do {
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t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
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((unsigned) buf[1] << 8 | buf[0]);
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*(uint32 *) buf = t;
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buf += 4;
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} while (--longs);
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}
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#endif
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/*
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* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
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* initialization constants.
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*/
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void
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MD5Init (ctx)
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struct MD5Context *ctx;
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{
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ctx->buf[0] = 0x67452301;
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ctx->buf[1] = 0xefcdab89;
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ctx->buf[2] = 0x98badcfe;
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ctx->buf[3] = 0x10325476;
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ctx->bits[0] = 0;
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ctx->bits[1] = 0;
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}
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/*
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* Update context to reflect the concatenation of another buffer full
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* of bytes.
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*/
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void
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MD5Update (ctx, buf, len)
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struct MD5Context *ctx;
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const char *buf;
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unsigned len;
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{
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uint32 t;
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/* Update bitcount */
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t = ctx->bits[0];
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if ((ctx->bits[0] = t + ((uint32) len << 3)) < t)
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ctx->bits[1]++; /* Carry from low to high */
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ctx->bits[1] += len >> 29;
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t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
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/* Handle any leading odd-sized chunks */
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if (t) {
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unsigned char *p = (unsigned char *) ctx->in + t;
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t = 64 - t;
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if (len < t) {
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memcpy (p, buf, len);
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return;
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}
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memcpy (p, buf, t);
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byteReverse (ctx->in, 16);
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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buf += t;
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len -= t;
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}
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/* Process data in 64-byte chunks */
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while (len >= 64) {
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memcpy (ctx->in, buf, 64);
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byteReverse (ctx->in, 16);
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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buf += 64;
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len -= 64;
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}
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/* Handle any remaining bytes of data. */
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memcpy (ctx->in, buf, len);
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}
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/*
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* Final wrapup - pad to 64-byte boundary with the bit pattern
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* 1 0* (64-bit count of bits processed, MSB-first)
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*/
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void
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MD5Final (digest, ctx)
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unsigned char digest[16];
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struct MD5Context *ctx;
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{
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unsigned count;
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unsigned char *p;
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/* Compute number of bytes mod 64 */
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count = (ctx->bits[0] >> 3) & 0x3F;
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/* Set the first char of padding to 0x80. This is safe since there is
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always at least one byte free */
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p = ctx->in + count;
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*p++ = 0x80;
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/* Bytes of padding needed to make 64 bytes */
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count = 64 - 1 - count;
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/* Pad out to 56 mod 64 */
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if (count < 8) {
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/* Two lots of padding: Pad the first block to 64 bytes */
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memset (p, 0, count);
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byteReverse (ctx->in, 16);
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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/* Now fill the next block with 56 bytes */
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memset (ctx->in, 0, 56);
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} else {
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/* Pad block to 56 bytes */
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memset (p, 0, count - 8);
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}
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byteReverse (ctx->in, 14);
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/* Append length in bits and transform */
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((uint32 *) ctx->in)[14] = ctx->bits[0];
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((uint32 *) ctx->in)[15] = ctx->bits[1];
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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byteReverse ((unsigned char *) ctx->buf, 4);
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memcpy (digest, ctx->buf, 16);
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memset (ctx, 0, sizeof (ctx)); /* In case it's sensitive */
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}
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/* The four core functions - F1 is optimized somewhat */
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/* #define F1(x, y, z) (x & y | ~x & z) */
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#define F1(x, y, z) (z ^ (x & (y ^ z)))
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#define F2(x, y, z) F1(z, x, y)
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#define F3(x, y, z) (x ^ y ^ z)
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#define F4(x, y, z) (y ^ (x | ~z))
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/* This is the central step in the MD5 algorithm. */
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#define MD5STEP(f, w, x, y, z, data, s) \
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( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
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/*
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* The core of the MD5 algorithm, this alters an existing MD5 hash to
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* reflect the addition of 16 longwords of new data. MD5Update blocks
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* the data and converts bytes into longwords for this routine.
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*/
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void
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MD5Transform (buf, in)
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uint32 buf[4];
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uint32 in[16];
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{
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register uint32 a, b, c, d;
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a = buf[0];
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b = buf[1];
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c = buf[2];
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d = buf[3];
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MD5STEP (F1, a, b, c, d, in[0] + 0xd76aa478, 7);
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MD5STEP (F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
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MD5STEP (F1, c, d, a, b, in[2] + 0x242070db, 17);
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MD5STEP (F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
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MD5STEP (F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
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MD5STEP (F1, d, a, b, c, in[5] + 0x4787c62a, 12);
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MD5STEP (F1, c, d, a, b, in[6] + 0xa8304613, 17);
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MD5STEP (F1, b, c, d, a, in[7] + 0xfd469501, 22);
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MD5STEP (F1, a, b, c, d, in[8] + 0x698098d8, 7);
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MD5STEP (F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
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MD5STEP (F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
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MD5STEP (F1, b, c, d, a, in[11] + 0x895cd7be, 22);
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MD5STEP (F1, a, b, c, d, in[12] + 0x6b901122, 7);
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MD5STEP (F1, d, a, b, c, in[13] + 0xfd987193, 12);
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MD5STEP (F1, c, d, a, b, in[14] + 0xa679438e, 17);
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MD5STEP (F1, b, c, d, a, in[15] + 0x49b40821, 22);
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MD5STEP (F2, a, b, c, d, in[1] + 0xf61e2562, 5);
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MD5STEP (F2, d, a, b, c, in[6] + 0xc040b340, 9);
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MD5STEP (F2, c, d, a, b, in[11] + 0x265e5a51, 14);
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MD5STEP (F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
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MD5STEP (F2, a, b, c, d, in[5] + 0xd62f105d, 5);
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MD5STEP (F2, d, a, b, c, in[10] + 0x02441453, 9);
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MD5STEP (F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
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MD5STEP (F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
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MD5STEP (F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
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MD5STEP (F2, d, a, b, c, in[14] + 0xc33707d6, 9);
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MD5STEP (F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
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MD5STEP (F2, b, c, d, a, in[8] + 0x455a14ed, 20);
|
|
||||||
MD5STEP (F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
|
|
||||||
MD5STEP (F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
|
|
||||||
MD5STEP (F2, c, d, a, b, in[7] + 0x676f02d9, 14);
|
|
||||||
MD5STEP (F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
|
|
||||||
|
|
||||||
MD5STEP (F3, a, b, c, d, in[5] + 0xfffa3942, 4);
|
|
||||||
MD5STEP (F3, d, a, b, c, in[8] + 0x8771f681, 11);
|
|
||||||
MD5STEP (F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
|
|
||||||
MD5STEP (F3, b, c, d, a, in[14] + 0xfde5380c, 23);
|
|
||||||
MD5STEP (F3, a, b, c, d, in[1] + 0xa4beea44, 4);
|
|
||||||
MD5STEP (F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
|
|
||||||
MD5STEP (F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
|
|
||||||
MD5STEP (F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
|
|
||||||
MD5STEP (F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
|
|
||||||
MD5STEP (F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
|
|
||||||
MD5STEP (F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
|
|
||||||
MD5STEP (F3, b, c, d, a, in[6] + 0x04881d05, 23);
|
|
||||||
MD5STEP (F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
|
|
||||||
MD5STEP (F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
|
|
||||||
MD5STEP (F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
|
|
||||||
MD5STEP (F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
|
|
||||||
|
|
||||||
MD5STEP (F4, a, b, c, d, in[0] + 0xf4292244, 6);
|
|
||||||
MD5STEP (F4, d, a, b, c, in[7] + 0x432aff97, 10);
|
|
||||||
MD5STEP (F4, c, d, a, b, in[14] + 0xab9423a7, 15);
|
|
||||||
MD5STEP (F4, b, c, d, a, in[5] + 0xfc93a039, 21);
|
|
||||||
MD5STEP (F4, a, b, c, d, in[12] + 0x655b59c3, 6);
|
|
||||||
MD5STEP (F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
|
|
||||||
MD5STEP (F4, c, d, a, b, in[10] + 0xffeff47d, 15);
|
|
||||||
MD5STEP (F4, b, c, d, a, in[1] + 0x85845dd1, 21);
|
|
||||||
MD5STEP (F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
|
|
||||||
MD5STEP (F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
|
|
||||||
MD5STEP (F4, c, d, a, b, in[6] + 0xa3014314, 15);
|
|
||||||
MD5STEP (F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
|
|
||||||
MD5STEP (F4, a, b, c, d, in[4] + 0xf7537e82, 6);
|
|
||||||
MD5STEP (F4, d, a, b, c, in[11] + 0xbd3af235, 10);
|
|
||||||
MD5STEP (F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
|
|
||||||
MD5STEP (F4, b, c, d, a, in[9] + 0xeb86d391, 21);
|
|
||||||
|
|
||||||
buf[0] += a;
|
|
||||||
buf[1] += b;
|
|
||||||
buf[2] += c;
|
|
||||||
buf[3] += d;
|
|
||||||
}
|
|
||||||
|
|
@ -1,28 +0,0 @@
|
||||||
#ifndef MD5_H
|
|
||||||
#define MD5_H
|
|
||||||
|
|
||||||
#include "_stdint.h"
|
|
||||||
|
|
||||||
#ifndef uint32
|
|
||||||
typedef uint32_t uint32;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct MD5Context
|
|
||||||
{
|
|
||||||
uint32 buf[4];
|
|
||||||
uint32 bits[2];
|
|
||||||
unsigned char in[64];
|
|
||||||
};
|
|
||||||
|
|
||||||
extern void MD5Init (struct MD5Context *ctx);
|
|
||||||
extern void MD5Update (struct MD5Context *ctx, const char *buf,
|
|
||||||
unsigned len);
|
|
||||||
extern void MD5Final (unsigned char digest[16], struct MD5Context *ctx);
|
|
||||||
extern void MD5Transform (uint32 buf[4], uint32 in[16]);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* This is needed to make RSAREF happy on some MS-DOS compilers.
|
|
||||||
*/
|
|
||||||
typedef struct MD5Context MD5_CTX;
|
|
||||||
|
|
||||||
#endif /* !MD5_H */
|
|
||||||
Loading…
Reference in a new issue