From 9eed129bbde80cbd7ffeacaa1555ba1e0c9a0997 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Tue, 3 Jan 2006 09:56:00 +0100 Subject: [PATCH] SUNRPC: Update the spkm3 code to use the make_checksum interface Also update the tokenlen calculations to accomodate g_token_size(). Signed-off-by: Andy Adamson Signed-off-by: J. Bruce Fields Signed-off-by: Trond Myklebust --- include/linux/sunrpc/gss_spkm3.h | 2 +- net/sunrpc/auth_gss/gss_spkm3_seal.c | 11 +++++------ net/sunrpc/auth_gss/gss_spkm3_token.c | 3 ++- net/sunrpc/auth_gss/gss_spkm3_unseal.c | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/include/linux/sunrpc/gss_spkm3.h b/include/linux/sunrpc/gss_spkm3.h index 0beb2cf..336e218 100644 --- a/include/linux/sunrpc/gss_spkm3.h +++ b/include/linux/sunrpc/gss_spkm3.h @@ -48,7 +48,7 @@ u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struc #define CKSUMTYPE_RSA_MD5 0x0007 s32 make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body, - struct xdr_netobj *cksum); + int body_offset, struct xdr_netobj *cksum); void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits); int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, int explen); diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c index d1e12b2..86fbf7c 100644 --- a/net/sunrpc/auth_gss/gss_spkm3_seal.c +++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c @@ -59,7 +59,7 @@ spkm3_make_token(struct spkm3_ctx *ctx, char tokhdrbuf[25]; struct xdr_netobj md5cksum = {.len = 0, .data = NULL}; struct xdr_netobj mic_hdr = {.len = 0, .data = tokhdrbuf}; - int tmsglen, tokenlen = 0; + int tokenlen = 0; unsigned char *ptr; s32 now; int ctxelen = 0, ctxzbit = 0; @@ -92,24 +92,23 @@ spkm3_make_token(struct spkm3_ctx *ctx, } if (toktype == SPKM_MIC_TOK) { - tmsglen = 0; /* Calculate checksum over the mic-header */ asn1_bitstring_len(&ctx->ctx_id, &ctxelen, &ctxzbit); spkm3_mic_header(&mic_hdr.data, &mic_hdr.len, ctx->ctx_id.data, ctxelen, ctxzbit); if (make_checksum(checksum_type, mic_hdr.data, mic_hdr.len, - text, &md5cksum)) + text, 0, &md5cksum)) goto out_err; asn1_bitstring_len(&md5cksum, &md5elen, &md5zbit); - tokenlen = 10 + ctxelen + 1 + 2 + md5elen + 1; + tokenlen = 10 + ctxelen + 1 + md5elen + 1; /* Create token header using generic routines */ - token->len = g_token_size(&ctx->mech_used, tokenlen + tmsglen); + token->len = g_token_size(&ctx->mech_used, tokenlen); ptr = token->data; - g_make_token_header(&ctx->mech_used, tokenlen + tmsglen, &ptr); + g_make_token_header(&ctx->mech_used, tokenlen, &ptr); spkm3_make_mic_token(&ptr, tokenlen, &mic_hdr, &md5cksum, md5elen, md5zbit); } else if (toktype == SPKM_WRAP_TOK) { /* Not Supported */ diff --git a/net/sunrpc/auth_gss/gss_spkm3_token.c b/net/sunrpc/auth_gss/gss_spkm3_token.c index 1f82457..af0d7ce 100644 --- a/net/sunrpc/auth_gss/gss_spkm3_token.c +++ b/net/sunrpc/auth_gss/gss_spkm3_token.c @@ -182,6 +182,7 @@ spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen, unsigned char *ct * *tokp points to the beginning of the SPKM_MIC token described * in rfc 2025, section 3.2.1: * + * toklen is the inner token length */ void spkm3_make_mic_token(unsigned char **tokp, int toklen, struct xdr_netobj *mic_hdr, struct xdr_netobj *md5cksum, int md5elen, int md5zbit) @@ -189,7 +190,7 @@ spkm3_make_mic_token(unsigned char **tokp, int toklen, struct xdr_netobj *mic_hd unsigned char *ict = *tokp; *(u8 *)ict++ = 0xa4; - *(u8 *)ict++ = toklen - 2; + *(u8 *)ict++ = toklen; memcpy(ict, mic_hdr->data, mic_hdr->len); ict += mic_hdr->len; diff --git a/net/sunrpc/auth_gss/gss_spkm3_unseal.c b/net/sunrpc/auth_gss/gss_spkm3_unseal.c index 241d5b3..96851b0 100644 --- a/net/sunrpc/auth_gss/gss_spkm3_unseal.c +++ b/net/sunrpc/auth_gss/gss_spkm3_unseal.c @@ -95,7 +95,7 @@ spkm3_read_token(struct spkm3_ctx *ctx, ret = GSS_S_DEFECTIVE_TOKEN; code = make_checksum(CKSUMTYPE_RSA_MD5, ptr + 2, mic_hdrlen + 2, - message_buffer, &md5cksum); + message_buffer, 0, &md5cksum); if (code) goto out; -- 2.7.4