=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/bufaux.c,v retrieving revision 1.19 retrieving revision 1.25 diff -u -r1.19 -r1.25 --- src/usr.bin/ssh/Attic/bufaux.c 2001/12/19 07:18:56 1.19 +++ src/usr.bin/ssh/Attic/bufaux.c 2002/04/20 09:14:58 1.25 @@ -37,7 +37,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: bufaux.c,v 1.19 2001/12/19 07:18:56 deraadt Exp $"); +RCSID("$OpenBSD: bufaux.c,v 1.25 2002/04/20 09:14:58 markus Exp $"); #include #include "bufaux.h" @@ -77,7 +77,7 @@ /* * Retrieves an BIGNUM from the buffer. */ -int +void buffer_get_bignum(Buffer *buffer, BIGNUM *value) { int bits, bytes; @@ -90,11 +90,9 @@ bytes = (bits + 7) / 8; if (buffer_len(buffer) < bytes) fatal("buffer_get_bignum: input buffer too small"); - bin = (u_char *) buffer_ptr(buffer); + bin = buffer_ptr(buffer); BN_bin2bn(bin, bytes, value); buffer_consume(buffer, bytes); - - return 2 + bytes; } /* @@ -130,20 +128,27 @@ xfree(buf); } -int +void buffer_get_bignum2(Buffer *buffer, BIGNUM *value) { /**XXX should be two's-complement */ int len; - u_char *bin = (u_char *)buffer_get_string(buffer, (u_int *)&len); + u_char *bin = buffer_get_string(buffer, (u_int *)&len); BN_bin2bn(bin, len, value); xfree(bin); - return len; } - /* - * Returns an integer from the buffer (4 bytes, msb first). + * Returns integers from the buffer (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) { @@ -161,9 +166,17 @@ } /* - * Stores an integer in the buffer in 4 bytes, msb first. + * Stores integers in the buffer, 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]; @@ -187,15 +200,15 @@ * will be stored there. A null character will be automatically appended * to the returned string, and is not counted in length. */ -char * +void * buffer_get_string(Buffer *buffer, u_int *length_ptr) { u_int len; - char *value; + u_char *value; /* Get the length. */ len = buffer_get_int(buffer); if (len > 256 * 1024) - fatal("Received packet with bad string length %d", len); + fatal("buffer_get_string: bad string length %d", len); /* Allocate space for the string. Add one byte for a null character. */ value = xmalloc(len + 1); /* Get the string. */ @@ -220,6 +233,8 @@ 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)); }