diff options
Diffstat (limited to 'net/sunrpc/auth_gss/gss_spkm3_token.c')
| -rw-r--r-- | net/sunrpc/auth_gss/gss_spkm3_token.c | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/net/sunrpc/auth_gss/gss_spkm3_token.c b/net/sunrpc/auth_gss/gss_spkm3_token.c index 35188b6ea8f7..6cdd241ad267 100644 --- a/net/sunrpc/auth_gss/gss_spkm3_token.c +++ b/net/sunrpc/auth_gss/gss_spkm3_token.c @@ -59,7 +59,7 @@ asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits) /* count trailing 0's */ for(i = in->len; i > 0; i--) { - if (*ptr == 0) { + if (*ptr == 0) { ptr--; elen--; } else @@ -82,7 +82,7 @@ asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits) /* * decode_asn1_bitstring() - * + * * decode a bitstring into a buffer of the expected length. * enclen = bit string length * explen = expected length (define in rfc) @@ -97,9 +97,9 @@ decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, int explen) return 1; } -/* +/* * SPKMInnerContextToken choice SPKM_MIC asn1 token layout - * + * * contextid is always 16 bytes plain data. max asn1 bitstring len = 17. * * tokenlen = pos[0] to end of token (max pos[45] with MD5 cksum) @@ -107,21 +107,21 @@ decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, int explen) * pos value * ---------- * [0] a4 SPKM-MIC tag - * [1] ?? innertoken length (max 44) - * - * - * tok_hdr piece of checksum data starts here + * [1] ?? innertoken length (max 44) + * + * + * tok_hdr piece of checksum data starts here * - * the maximum mic-header len = 9 + 17 = 26 + * the maximum mic-header len = 9 + 17 = 26 * mic-header * ---------- - * [2] 30 SEQUENCE tag - * [3] ?? mic-header length: (max 23) = TokenID + ContextID + * [2] 30 SEQUENCE tag + * [3] ?? mic-header length: (max 23) = TokenID + ContextID * * TokenID - all fields constant and can be hardcoded * ------- * [4] 02 Type 2 - * [5] 02 Length 2 + * [5] 02 Length 2 * [6][7] 01 01 TokenID (SPKM_MIC_TOK) * * ContextID - encoded length not constant, calculated @@ -131,17 +131,17 @@ decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, int explen) * [10] ?? ctxzbit * [11] contextid * - * mic_header piece of checksum data ends here. + * mic_header piece of checksum data ends here. * * int-cksum - encoded length not constant, calculated * --------- * [??] 03 Type 3 - * [??] ?? encoded length - * [??] ?? md5zbit + * [??] ?? encoded length + * [??] ?? md5zbit * [??] int-cksum (NID_md5 = 16) * - * maximum SPKM-MIC innercontext token length = - * 10 + encoded contextid_size(17 max) + 2 + encoded + * maximum SPKM-MIC innercontext token length = + * 10 + encoded contextid_size(17 max) + 2 + encoded * cksum_size (17 maxfor NID_md5) = 46 */ @@ -178,8 +178,8 @@ spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen, unsigned char *ct /* * spkm3_mic_innercontext_token() * - * *tokp points to the beginning of the SPKM_MIC token described - * in rfc 2025, section 3.2.1: + * *tokp points to the beginning of the SPKM_MIC token described + * in rfc 2025, section 3.2.1: * * toklen is the inner token length */ @@ -209,7 +209,7 @@ spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, unsigned char **ck /* spkm3 innercontext token preamble */ if ((ptr[0] != 0xa4) || (ptr[2] != 0x30)) { - dprintk("RPC: BAD SPKM ictoken preamble\n"); + dprintk("RPC: BAD SPKM ictoken preamble\n"); goto out; } @@ -217,25 +217,25 @@ spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, unsigned char **ck /* token type */ if ((ptr[4] != 0x02) || (ptr[5] != 0x02)) { - dprintk("RPC: BAD asn1 SPKM3 token type\n"); + dprintk("RPC: BAD asn1 SPKM3 token type\n"); goto out; } /* only support SPKM_MIC_TOK */ if((ptr[6] != 0x01) || (ptr[7] != 0x01)) { - dprintk("RPC: ERROR unsupported SPKM3 token \n"); + dprintk("RPC: ERROR unsupported SPKM3 token \n"); goto out; } /* contextid */ if (ptr[8] != 0x03) { - dprintk("RPC: BAD SPKM3 asn1 context-id type\n"); + dprintk("RPC: BAD SPKM3 asn1 context-id type\n"); goto out; } ctxelen = ptr[9]; if (ctxelen > 17) { /* length includes asn1 zbit octet */ - dprintk("RPC: BAD SPKM3 contextid len %d\n", ctxelen); + dprintk("RPC: BAD SPKM3 contextid len %d\n", ctxelen); goto out; } @@ -245,17 +245,19 @@ spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, unsigned char **ck goto out; /* - * in the current implementation: the optional int-alg is not present - * so the default int-alg (md5) is used the optional snd-seq field is - * also not present + * in the current implementation: the optional int-alg is not present + * so the default int-alg (md5) is used the optional snd-seq field is + * also not present */ if (*mic_hdrlen != 6 + ctxelen) { - dprintk("RPC: BAD SPKM_ MIC_TOK header len %d: we only support default int-alg (should be absent) and do not support snd-seq\n", *mic_hdrlen); + dprintk("RPC: BAD SPKM_ MIC_TOK header len %d: we only " + "support default int-alg (should be absent) " + "and do not support snd-seq\n", *mic_hdrlen); goto out; } /* checksum */ - *cksum = (&ptr[10] + ctxelen); /* ctxelen includes ptr[10] */ + *cksum = (&ptr[10] + ctxelen); /* ctxelen includes ptr[10] */ ret = GSS_S_COMPLETE; out: |
