=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/bufaux.c,v retrieving revision 1.17.2.3 retrieving revision 1.18 diff -u -r1.17.2.3 -r1.18 --- src/usr.bin/ssh/Attic/bufaux.c 2002/06/02 22:56:09 1.17.2.3 +++ src/usr.bin/ssh/Attic/bufaux.c 2001/12/05 10:06:12 1.18 @@ -37,7 +37,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: bufaux.c,v 1.17.2.3 2002/06/02 22:56:09 miod Exp $"); +RCSID("$OpenBSD: bufaux.c,v 1.18 2001/12/05 10:06:12 deraadt Exp $"); #include #include "bufaux.h" @@ -62,7 +62,7 @@ oi = BN_bn2bin(value, buf); if (oi != bin_size) fatal("buffer_put_bignum: BN_bn2bin() failed: oi %d != bin_size %d", - oi, bin_size); + oi, bin_size); /* Store the number of bits in the buffer in two bytes, msb first. */ PUT_16BIT(msg, bits); @@ -77,7 +77,7 @@ /* * Retrieves an BIGNUM from the buffer. */ -void +int buffer_get_bignum(Buffer *buffer, BIGNUM *value) { int bits, bytes; @@ -90,9 +90,11 @@ bytes = (bits + 7) / 8; if (buffer_len(buffer) < bytes) fatal("buffer_get_bignum: input buffer too small"); - bin = buffer_ptr(buffer); + bin = (u_char *) buffer_ptr(buffer); BN_bin2bn(bin, bytes, value); buffer_consume(buffer, bytes); + + return 2 + bytes; } /* @@ -110,14 +112,14 @@ oi = BN_bn2bin(value, buf+1); if (oi != bytes-1) fatal("buffer_put_bignum: BN_bn2bin() failed: oi %d != bin_size %d", - oi, bytes); + oi, bytes); hasnohigh = (buf[1] & 0x80) ? 0 : 1; if (value->neg) { /**XXX should be two's-complement */ int i, carry; u_char *uc = buf; log("negativ!"); - for (i = bytes-1, carry = 1; i>=0; i--) { + for(i = bytes-1, carry = 1; i>=0; i--) { uc[i] ^= 0xff; if (carry) carry = !++uc[i]; @@ -128,27 +130,20 @@ xfree(buf); } -void +int buffer_get_bignum2(Buffer *buffer, BIGNUM *value) { /**XXX should be two's-complement */ int len; - u_char *bin = buffer_get_string(buffer, (u_int *)&len); + u_char *bin = (u_char *)buffer_get_string(buffer, (u_int *)&len); BN_bin2bn(bin, len, value); xfree(bin); + return len; } + /* - * Returns integers from the buffer (msb first). + * Returns an integer from the buffer (4 bytes, msb first). */ - -u_short -buffer_get_short(Buffer *buffer) -{ - u_char buf[2]; - buffer_get(buffer, (char *) buf, 2); - return GET_16BIT(buf); -} - u_int buffer_get_int(Buffer *buffer) { @@ -166,17 +161,9 @@ } /* - * Stores integers in the buffer, msb first. + * Stores an integer in the buffer in 4 bytes, msb first. */ void -buffer_put_short(Buffer *buffer, u_short value) -{ - char buf[2]; - PUT_16BIT(buf, value); - buffer_append(buffer, buf, 2); -} - -void buffer_put_int(Buffer *buffer, u_int value) { char buf[4]; @@ -200,15 +187,15 @@ * will be stored there. A null character will be automatically appended * to the returned string, and is not counted in length. */ -void * +char * buffer_get_string(Buffer *buffer, u_int *length_ptr) { u_int len; - u_char *value; + char *value; /* Get the length. */ len = buffer_get_int(buffer); if (len > 256 * 1024) - fatal("buffer_get_string: bad string length %d", len); + fatal("Received packet with bad string length %d", len); /* Allocate space for the string. Add one byte for a null character. */ value = xmalloc(len + 1); /* Get the string. */ @@ -233,8 +220,6 @@ void buffer_put_cstring(Buffer *buffer, const char *s) { - if (s == NULL) - fatal("buffer_put_cstring: s == NULL"); buffer_put_string(buffer, s, strlen(s)); }