Re: [sr-dev] git:master: pv: changes to SHA string transformations

Module: sip-router Branch: master Commit: ff91a65db150210a0c55ce57df9f476a9e0ee25e URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=ff91a65… Author: lucian balanceanu<lucian.balanceanu(a)1and1.ro> Committer: lucian balanceanu<lucian.balanceanu(a)1and1.ro> Date: Tue Mar 18 17:20:36 2014 +0200 pv: changes to SHA string transformations - addressed memset faulty usage, changed location of sha256 files, removed sha2utils.h as we can use defines in sha256.h, removed redundant code --- lib/kcore/strcommon.c | 12 +++--------- lib/kcore/strcommon.h | 2 +- sha256.c => lib/srutils/sha256.c | 14 +++++++------- sha256.h => lib/srutils/sha256.h | 0 modules/pv/pv_trans.c | 13 ++++++------- sha2utils.h | 17 ----------------- 6 files changed, 17 insertions(+), 41 deletions(-) diff --git a/lib/kcore/strcommon.c b/lib/kcore/strcommon.c index 9401457..8e57e93 100644 --- a/lib/kcore/strcommon.c +++ b/lib/kcore/strcommon.c @@ -125,33 +125,27 @@ void compute_md5(char *dst, char *src, int src_len) void compute_sha256(char *dst, u_int8_t *src, int src_len) { SHA256_CTX ctx256; - char buf[64]; SHA256_Init(&ctx256); SHA256_Update(&ctx256, src, src_len); - SHA256_End(&ctx256, buf); - strncpy(dst, buf, 64); + SHA256_End(&ctx256, dst); } /*! \brief Compute SHA384 checksum */ void compute_sha384(char *dst, u_int8_t *src, int src_len) { SHA384_CTX ctx384; - char buf[96]; SHA384_Init(&ctx384); SHA384_Update(&ctx384, src, src_len); - SHA384_End(&ctx384, buf); - strncpy(dst, buf, 96); + SHA384_End(&ctx384, dst); } /*! \brief Compute SHA512 checksum */ void compute_sha512(char *dst, u_int8_t *src, int src_len) { SHA512_CTX ctx512; - char buf[128]; SHA512_Init(&ctx512); SHA512_Update(&ctx512, src, src_len); - SHA512_End(&ctx512, buf); - strncpy(dst, buf, 128); + SHA512_End(&ctx512, dst); } /*! \brief Unscape all printable ASCII characters */ diff --git a/lib/kcore/strcommon.h b/lib/kcore/strcommon.h index 5864ef0..9e81455 100644 --- a/lib/kcore/strcommon.h +++ b/lib/kcore/strcommon.h @@ -30,7 +30,7 @@ #include "../../str.h" #include "../../md5.h" -#include "../../sha256.h" +#include "../srutils/sha256.h" /* * add backslashes to special characters diff --git a/sha256.c b/lib/srutils/sha256.c similarity index 98% rename from sha256.c rename to lib/srutils/sha256.c index 187d11d..087736d 100644 --- a/sha256.c +++ b/lib/srutils/sha256.c @@ -12,7 +12,7 @@ * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. + * documentation and/or other materials provided w627ith the distribution. * 3. Neither the name of the copyright holder nor the names of contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. @@ -624,7 +624,7 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) { } /* Clean up state data: */ - MEMSET_BZERO(context, sizeof(context)); + MEMSET_BZERO(context, sizeof(*context)); usedspace = 0; } @@ -645,7 +645,7 @@ char *SHA256_End(SHA256_CTX* context, char buffer[]) { } *buffer = (char)0; } else { - MEMSET_BZERO(context, sizeof(context)); + MEMSET_BZERO(context, sizeof(*context)); } MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH); return buffer; @@ -954,7 +954,7 @@ void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) { } /* Zero out state data */ - MEMSET_BZERO(context, sizeof(context)); + MEMSET_BZERO(context, sizeof(*context)); } char *SHA512_End(SHA512_CTX* context, char buffer[]) { @@ -974,7 +974,7 @@ char *SHA512_End(SHA512_CTX* context, char buffer[]) { } *buffer = (char)0; } else { - MEMSET_BZERO(context, sizeof(context)); + MEMSET_BZERO(context, sizeof(*context)); } MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH); return buffer; @@ -1029,7 +1029,7 @@ void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) { } /* Zero out state data */ - MEMSET_BZERO(context, sizeof(context)); + MEMSET_BZERO(context, sizeof(*context)); } char *SHA384_End(SHA384_CTX* context, char buffer[]) { @@ -1049,7 +1049,7 @@ char *SHA384_End(SHA384_CTX* context, char buffer[]) { } *buffer = (char)0; } else { - MEMSET_BZERO(context, sizeof(context)); + MEMSET_BZERO(context, sizeof(*context)); } MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH); return buffer; diff --git a/sha256.h b/lib/srutils/sha256.h similarity index 100% rename from sha256.h rename to lib/srutils/sha256.h diff --git a/modules/pv/pv_trans.c b/modules/pv/pv_trans.c index 5250920..868123e 100644 --- a/modules/pv/pv_trans.c +++ b/modules/pv/pv_trans.c @@ -47,7 +47,6 @@ #include "../../parser/parse_nameaddr.h" #include "../../lib/kcore/strcommon.h" -#include "../../sha2utils.h" #include "pv_trans.h" @@ -240,31 +239,31 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, if(!(val->flags&PV_VAL_STR)) val->rs.s = int2str(val->ri,&val->rs.len); compute_sha256(_tr_buffer, (u_int8_t*)val->rs.s, val->rs.len); - _tr_buffer[SHA256_LEN] = '\0'; + _tr_buffer[SHA256_DIGEST_STRING_LENGTH -1] = '\0'; val->flags = PV_VAL_STR; val->ri = 0; val->rs.s = _tr_buffer; - val->rs.len = SHA256_LEN; + val->rs.len = SHA256_DIGEST_STRING_LENGTH -1 ; break; case TR_S_SHA384: if(!(val->flags&PV_VAL_STR)) val->rs.s = int2str(val->ri,&val->rs.len); compute_sha384(_tr_buffer, (u_int8_t*)val->rs.s, val->rs.len); - _tr_buffer[SHA384_LEN] = '\0'; + _tr_buffer[SHA384_DIGEST_STRING_LENGTH -1] = '\0'; val->flags = PV_VAL_STR; val->ri = 0; val->rs.s = _tr_buffer; - val->rs.len = SHA384_LEN; + val->rs.len = SHA384_DIGEST_STRING_LENGTH -1; break; case TR_S_SHA512: if(!(val->flags&PV_VAL_STR)) val->rs.s = int2str(val->ri,&val->rs.len); compute_sha512(_tr_buffer, (u_int8_t*)val->rs.s, val->rs.len); - _tr_buffer[SHA512_LEN] = '\0'; + _tr_buffer[SHA512_DIGEST_STRING_LENGTH -1] = '\0'; val->flags = PV_VAL_STR; val->ri = 0; val->rs.s = _tr_buffer; - val->rs.len = SHA512_LEN; + val->rs.len = SHA512_DIGEST_STRING_LENGTH -1; break; case TR_S_ENCODEHEXA: if(!(val->flags&PV_VAL_STR)) diff --git a/sha2utils.h b/sha2utils.h deleted file mode 100644 index b3c5c96..0000000 --- a/sha2utils.h +++ /dev/null @@ -1,17 +0,0 @@ -/*! - * \file - * \brief SIP-router core :: sha2 hash support - * \ingroup core - * Module: \ref core - */ - -#ifndef _SHA2UTILS_H -#define _SHA2UTILS_H - -#include "str.h" - -#define SHA256_LEN 64 -#define SHA384_LEN 96 -#define SHA512_LEN 128 - -#endif /* _SHA2UTILS_H */ _______________________________________________ sr-dev mailing list sr-dev(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev