From 678948068bbde7f12a9c5f28a467b6cf4d127851 Mon Sep 17 00:00:00 2001 From: Juan Linietsky Date: Fri, 1 Aug 2014 22:10:38 -0300 Subject: Small Issues & Maintenance -=-=-=-=-=-=-=-=-=-=-=-=-= -Begin work on Navigation Meshes (simple pathfinding for now, will improve soon) -More doc on theme overriding -Upgraded OpenSSL to version without bugs -Misc bugfixes --- drivers/builtin_openssl2/crypto/bio/bio_lib.c | 602 ++++++++++++++++++++++++++ 1 file changed, 602 insertions(+) create mode 100644 drivers/builtin_openssl2/crypto/bio/bio_lib.c (limited to 'drivers/builtin_openssl2/crypto/bio/bio_lib.c') diff --git a/drivers/builtin_openssl2/crypto/bio/bio_lib.c b/drivers/builtin_openssl2/crypto/bio/bio_lib.c new file mode 100644 index 0000000000..9c9646afa8 --- /dev/null +++ b/drivers/builtin_openssl2/crypto/bio/bio_lib.c @@ -0,0 +1,602 @@ +/* crypto/bio/bio_lib.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include +#include +#include +#include "cryptlib.h" +#include +#include + +BIO *BIO_new(BIO_METHOD *method) + { + BIO *ret=NULL; + + ret=(BIO *)OPENSSL_malloc(sizeof(BIO)); + if (ret == NULL) + { + BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE); + return(NULL); + } + if (!BIO_set(ret,method)) + { + OPENSSL_free(ret); + ret=NULL; + } + return(ret); + } + +int BIO_set(BIO *bio, BIO_METHOD *method) + { + bio->method=method; + bio->callback=NULL; + bio->cb_arg=NULL; + bio->init=0; + bio->shutdown=1; + bio->flags=0; + bio->retry_reason=0; + bio->num=0; + bio->ptr=NULL; + bio->prev_bio=NULL; + bio->next_bio=NULL; + bio->references=1; + bio->num_read=0L; + bio->num_write=0L; + CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); + if (method->create != NULL) + if (!method->create(bio)) + { + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, + &bio->ex_data); + return(0); + } + return(1); + } + +int BIO_free(BIO *a) + { + int i; + + if (a == NULL) return(0); + + i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_BIO); +#ifdef REF_PRINT + REF_PRINT("BIO",a); +#endif + if (i > 0) return(1); +#ifdef REF_CHECK + if (i < 0) + { + fprintf(stderr,"BIO_free, bad reference count\n"); + abort(); + } +#endif + if ((a->callback != NULL) && + ((i=(int)a->callback(a,BIO_CB_FREE,NULL,0,0L,1L)) <= 0)) + return(i); + + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data); + + if ((a->method == NULL) || (a->method->destroy == NULL)) return(1); + a->method->destroy(a); + OPENSSL_free(a); + return(1); + } + +void BIO_vfree(BIO *a) + { BIO_free(a); } + +void BIO_clear_flags(BIO *b, int flags) + { + b->flags &= ~flags; + } + +int BIO_test_flags(const BIO *b, int flags) + { + return (b->flags & flags); + } + +void BIO_set_flags(BIO *b, int flags) + { + b->flags |= flags; + } + +long (*BIO_get_callback(const BIO *b))(struct bio_st *,int,const char *,int, long,long) + { + return b->callback; + } + +void BIO_set_callback(BIO *b, long (*cb)(struct bio_st *,int,const char *,int, long,long)) + { + b->callback = cb; + } + +void BIO_set_callback_arg(BIO *b, char *arg) + { + b->cb_arg = arg; + } + +char * BIO_get_callback_arg(const BIO *b) + { + return b->cb_arg; + } + +const char * BIO_method_name(const BIO *b) + { + return b->method->name; + } + +int BIO_method_type(const BIO *b) + { + return b->method->type; + } + + +int BIO_read(BIO *b, void *out, int outl) + { + int i; + long (*cb)(BIO *,int,const char *,int,long,long); + + if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) + { + BIOerr(BIO_F_BIO_READ,BIO_R_UNSUPPORTED_METHOD); + return(-2); + } + + cb=b->callback; + if ((cb != NULL) && + ((i=(int)cb(b,BIO_CB_READ,out,outl,0L,1L)) <= 0)) + return(i); + + if (!b->init) + { + BIOerr(BIO_F_BIO_READ,BIO_R_UNINITIALIZED); + return(-2); + } + + i=b->method->bread(b,out,outl); + + if (i > 0) b->num_read+=(unsigned long)i; + + if (cb != NULL) + i=(int)cb(b,BIO_CB_READ|BIO_CB_RETURN,out,outl, + 0L,(long)i); + return(i); + } + +int BIO_write(BIO *b, const void *in, int inl) + { + int i; + long (*cb)(BIO *,int,const char *,int,long,long); + + if (b == NULL) + return(0); + + cb=b->callback; + if ((b->method == NULL) || (b->method->bwrite == NULL)) + { + BIOerr(BIO_F_BIO_WRITE,BIO_R_UNSUPPORTED_METHOD); + return(-2); + } + + if ((cb != NULL) && + ((i=(int)cb(b,BIO_CB_WRITE,in,inl,0L,1L)) <= 0)) + return(i); + + if (!b->init) + { + BIOerr(BIO_F_BIO_WRITE,BIO_R_UNINITIALIZED); + return(-2); + } + + i=b->method->bwrite(b,in,inl); + + if (i > 0) b->num_write+=(unsigned long)i; + + if (cb != NULL) + i=(int)cb(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl, + 0L,(long)i); + return(i); + } + +int BIO_puts(BIO *b, const char *in) + { + int i; + long (*cb)(BIO *,int,const char *,int,long,long); + + if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) + { + BIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD); + return(-2); + } + + cb=b->callback; + + if ((cb != NULL) && + ((i=(int)cb(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0)) + return(i); + + if (!b->init) + { + BIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITIALIZED); + return(-2); + } + + i=b->method->bputs(b,in); + + if (i > 0) b->num_write+=(unsigned long)i; + + if (cb != NULL) + i=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0, + 0L,(long)i); + return(i); + } + +int BIO_gets(BIO *b, char *in, int inl) + { + int i; + long (*cb)(BIO *,int,const char *,int,long,long); + + if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) + { + BIOerr(BIO_F_BIO_GETS,BIO_R_UNSUPPORTED_METHOD); + return(-2); + } + + cb=b->callback; + + if ((cb != NULL) && + ((i=(int)cb(b,BIO_CB_GETS,in,inl,0L,1L)) <= 0)) + return(i); + + if (!b->init) + { + BIOerr(BIO_F_BIO_GETS,BIO_R_UNINITIALIZED); + return(-2); + } + + i=b->method->bgets(b,in,inl); + + if (cb != NULL) + i=(int)cb(b,BIO_CB_GETS|BIO_CB_RETURN,in,inl, + 0L,(long)i); + return(i); + } + +int BIO_indent(BIO *b,int indent,int max) + { + if(indent < 0) + indent=0; + if(indent > max) + indent=max; + while(indent--) + if(BIO_puts(b," ") != 1) + return 0; + return 1; + } + +long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg) + { + int i; + + i=iarg; + return(BIO_ctrl(b,cmd,larg,(char *)&i)); + } + +char *BIO_ptr_ctrl(BIO *b, int cmd, long larg) + { + char *p=NULL; + + if (BIO_ctrl(b,cmd,larg,(char *)&p) <= 0) + return(NULL); + else + return(p); + } + +long BIO_ctrl(BIO *b, int cmd, long larg, void *parg) + { + long ret; + long (*cb)(BIO *,int,const char *,int,long,long); + + if (b == NULL) return(0); + + if ((b->method == NULL) || (b->method->ctrl == NULL)) + { + BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD); + return(-2); + } + + cb=b->callback; + + if ((cb != NULL) && + ((ret=cb(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 0)) + return(ret); + + ret=b->method->ctrl(b,cmd,larg,parg); + + if (cb != NULL) + ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,parg,cmd, + larg,ret); + return(ret); + } + +long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long)) + { + long ret; + long (*cb)(BIO *,int,const char *,int,long,long); + + if (b == NULL) return(0); + + if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) + { + BIOerr(BIO_F_BIO_CALLBACK_CTRL,BIO_R_UNSUPPORTED_METHOD); + return(-2); + } + + cb=b->callback; + + if ((cb != NULL) && + ((ret=cb(b,BIO_CB_CTRL,(void *)&fp,cmd,0,1L)) <= 0)) + return(ret); + + ret=b->method->callback_ctrl(b,cmd,fp); + + if (cb != NULL) + ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,(void *)&fp,cmd, + 0,ret); + return(ret); + } + +/* It is unfortunate to duplicate in functions what the BIO_(w)pending macros + * do; but those macros have inappropriate return type, and for interfacing + * from other programming languages, C macros aren't much of a help anyway. */ +size_t BIO_ctrl_pending(BIO *bio) + { + return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL); + } + +size_t BIO_ctrl_wpending(BIO *bio) + { + return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL); + } + + +/* put the 'bio' on the end of b's list of operators */ +BIO *BIO_push(BIO *b, BIO *bio) + { + BIO *lb; + + if (b == NULL) return(bio); + lb=b; + while (lb->next_bio != NULL) + lb=lb->next_bio; + lb->next_bio=bio; + if (bio != NULL) + bio->prev_bio=lb; + /* called to do internal processing */ + BIO_ctrl(b,BIO_CTRL_PUSH,0,lb); + return(b); + } + +/* Remove the first and return the rest */ +BIO *BIO_pop(BIO *b) + { + BIO *ret; + + if (b == NULL) return(NULL); + ret=b->next_bio; + + BIO_ctrl(b,BIO_CTRL_POP,0,b); + + if (b->prev_bio != NULL) + b->prev_bio->next_bio=b->next_bio; + if (b->next_bio != NULL) + b->next_bio->prev_bio=b->prev_bio; + + b->next_bio=NULL; + b->prev_bio=NULL; + return(ret); + } + +BIO *BIO_get_retry_BIO(BIO *bio, int *reason) + { + BIO *b,*last; + + b=last=bio; + for (;;) + { + if (!BIO_should_retry(b)) break; + last=b; + b=b->next_bio; + if (b == NULL) break; + } + if (reason != NULL) *reason=last->retry_reason; + return(last); + } + +int BIO_get_retry_reason(BIO *bio) + { + return(bio->retry_reason); + } + +BIO *BIO_find_type(BIO *bio, int type) + { + int mt,mask; + + if(!bio) return NULL; + mask=type&0xff; + do { + if (bio->method != NULL) + { + mt=bio->method->type; + + if (!mask) + { + if (mt & type) return(bio); + } + else if (mt == type) + return(bio); + } + bio=bio->next_bio; + } while (bio != NULL); + return(NULL); + } + +BIO *BIO_next(BIO *b) + { + if(!b) return NULL; + return b->next_bio; + } + +void BIO_free_all(BIO *bio) + { + BIO *b; + int ref; + + while (bio != NULL) + { + b=bio; + ref=b->references; + bio=bio->next_bio; + BIO_free(b); + /* Since ref count > 1, don't free anyone else. */ + if (ref > 1) break; + } + } + +BIO *BIO_dup_chain(BIO *in) + { + BIO *ret=NULL,*eoc=NULL,*bio,*new_bio; + + for (bio=in; bio != NULL; bio=bio->next_bio) + { + if ((new_bio=BIO_new(bio->method)) == NULL) goto err; + new_bio->callback=bio->callback; + new_bio->cb_arg=bio->cb_arg; + new_bio->init=bio->init; + new_bio->shutdown=bio->shutdown; + new_bio->flags=bio->flags; + + /* This will let SSL_s_sock() work with stdin/stdout */ + new_bio->num=bio->num; + + if (!BIO_dup_state(bio,(char *)new_bio)) + { + BIO_free(new_bio); + goto err; + } + + /* copy app data */ + if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data, + &bio->ex_data)) + goto err; + + if (ret == NULL) + { + eoc=new_bio; + ret=eoc; + } + else + { + BIO_push(eoc,new_bio); + eoc=new_bio; + } + } + return(ret); +err: + if (ret != NULL) + BIO_free(ret); + return(NULL); + } + +void BIO_copy_next_retry(BIO *b) + { + BIO_set_flags(b,BIO_get_retry_flags(b->next_bio)); + b->retry_reason=b->next_bio->retry_reason; + } + +int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) + { + return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, argl, argp, + new_func, dup_func, free_func); + } + +int BIO_set_ex_data(BIO *bio, int idx, void *data) + { + return(CRYPTO_set_ex_data(&(bio->ex_data),idx,data)); + } + +void *BIO_get_ex_data(BIO *bio, int idx) + { + return(CRYPTO_get_ex_data(&(bio->ex_data),idx)); + } + +unsigned long BIO_number_read(BIO *bio) +{ + if(bio) return bio->num_read; + return 0; +} + +unsigned long BIO_number_written(BIO *bio) +{ + if(bio) return bio->num_write; + return 0; +} + +IMPLEMENT_STACK_OF(BIO) -- cgit v1.2.3