1*0Sstevel@tonic-gate #include <stdio.h> 2*0Sstevel@tonic-gate #include <stdlib.h> 3*0Sstevel@tonic-gate #include <string.h> 4*0Sstevel@tonic-gate #include <openssl/objects.h> 5*0Sstevel@tonic-gate #include <openssl/comp.h> 6*0Sstevel@tonic-gate 7*0Sstevel@tonic-gate COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) 8*0Sstevel@tonic-gate { 9*0Sstevel@tonic-gate COMP_CTX *ret; 10*0Sstevel@tonic-gate 11*0Sstevel@tonic-gate if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL) 12*0Sstevel@tonic-gate { 13*0Sstevel@tonic-gate /* ZZZZZZZZZZZZZZZZ */ 14*0Sstevel@tonic-gate return(NULL); 15*0Sstevel@tonic-gate } 16*0Sstevel@tonic-gate memset(ret,0,sizeof(COMP_CTX)); 17*0Sstevel@tonic-gate ret->meth=meth; 18*0Sstevel@tonic-gate if ((ret->meth->init != NULL) && !ret->meth->init(ret)) 19*0Sstevel@tonic-gate { 20*0Sstevel@tonic-gate OPENSSL_free(ret); 21*0Sstevel@tonic-gate ret=NULL; 22*0Sstevel@tonic-gate } 23*0Sstevel@tonic-gate #if 0 24*0Sstevel@tonic-gate else 25*0Sstevel@tonic-gate CRYPTO_new_ex_data(rsa_meth,(char *)ret,&ret->ex_data); 26*0Sstevel@tonic-gate #endif 27*0Sstevel@tonic-gate return(ret); 28*0Sstevel@tonic-gate } 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate void COMP_CTX_free(COMP_CTX *ctx) 31*0Sstevel@tonic-gate { 32*0Sstevel@tonic-gate /* CRYPTO_free_ex_data(rsa_meth,(char *)ctx,&ctx->ex_data); */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate if(ctx == NULL) 35*0Sstevel@tonic-gate return; 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate if (ctx->meth->finish != NULL) 38*0Sstevel@tonic-gate ctx->meth->finish(ctx); 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate OPENSSL_free(ctx); 41*0Sstevel@tonic-gate } 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, 44*0Sstevel@tonic-gate unsigned char *in, int ilen) 45*0Sstevel@tonic-gate { 46*0Sstevel@tonic-gate int ret; 47*0Sstevel@tonic-gate if (ctx->meth->compress == NULL) 48*0Sstevel@tonic-gate { 49*0Sstevel@tonic-gate /* ZZZZZZZZZZZZZZZZZ */ 50*0Sstevel@tonic-gate return(-1); 51*0Sstevel@tonic-gate } 52*0Sstevel@tonic-gate ret=ctx->meth->compress(ctx,out,olen,in,ilen); 53*0Sstevel@tonic-gate if (ret > 0) 54*0Sstevel@tonic-gate { 55*0Sstevel@tonic-gate ctx->compress_in+=ilen; 56*0Sstevel@tonic-gate ctx->compress_out+=ret; 57*0Sstevel@tonic-gate } 58*0Sstevel@tonic-gate return(ret); 59*0Sstevel@tonic-gate } 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, 62*0Sstevel@tonic-gate unsigned char *in, int ilen) 63*0Sstevel@tonic-gate { 64*0Sstevel@tonic-gate int ret; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate if (ctx->meth->expand == NULL) 67*0Sstevel@tonic-gate { 68*0Sstevel@tonic-gate /* ZZZZZZZZZZZZZZZZZ */ 69*0Sstevel@tonic-gate return(-1); 70*0Sstevel@tonic-gate } 71*0Sstevel@tonic-gate ret=ctx->meth->expand(ctx,out,olen,in,ilen); 72*0Sstevel@tonic-gate if (ret > 0) 73*0Sstevel@tonic-gate { 74*0Sstevel@tonic-gate ctx->expand_in+=ilen; 75*0Sstevel@tonic-gate ctx->expand_out+=ret; 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate return(ret); 78*0Sstevel@tonic-gate } 79