diff options
Diffstat (limited to 'app/openssl/crypto/bio/bss_mem.c')
| -rw-r--r-- | app/openssl/crypto/bio/bss_mem.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/app/openssl/crypto/bio/bss_mem.c b/app/openssl/crypto/bio/bss_mem.c deleted file mode 100644 index 37d4194e..00000000 --- a/app/openssl/crypto/bio/bss_mem.c +++ /dev/null @@ -1,319 +0,0 @@ -/* crypto/bio/bss_mem.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 <stdio.h> -#include <errno.h> -#include "cryptlib.h" -#include <openssl/bio.h> - -static int mem_write(BIO *h, const char *buf, int num); -static int mem_read(BIO *h, char *buf, int size); -static int mem_puts(BIO *h, const char *str); -static int mem_gets(BIO *h, char *str, int size); -static long mem_ctrl(BIO *h, int cmd, long arg1, void *arg2); -static int mem_new(BIO *h); -static int mem_free(BIO *data); -static BIO_METHOD mem_method= - { - BIO_TYPE_MEM, - "memory buffer", - mem_write, - mem_read, - mem_puts, - mem_gets, - mem_ctrl, - mem_new, - mem_free, - NULL, - }; - -/* bio->num is used to hold the value to return on 'empty', if it is - * 0, should_retry is not set */ - -BIO_METHOD *BIO_s_mem(void) - { - return(&mem_method); - } - -BIO *BIO_new_mem_buf(void *buf, int len) -{ - BIO *ret; - BUF_MEM *b; - size_t sz; - - if (!buf) { - BIOerr(BIO_F_BIO_NEW_MEM_BUF,BIO_R_NULL_PARAMETER); - return NULL; - } - sz = (len<0) ? strlen(buf) : (size_t)len; - if(!(ret = BIO_new(BIO_s_mem())) ) return NULL; - b = (BUF_MEM *)ret->ptr; - b->data = buf; - b->length = sz; - b->max = sz; - ret->flags |= BIO_FLAGS_MEM_RDONLY; - /* Since this is static data retrying wont help */ - ret->num = 0; - return ret; -} - -static int mem_new(BIO *bi) - { - BUF_MEM *b; - - if ((b=BUF_MEM_new()) == NULL) - return(0); - bi->shutdown=1; - bi->init=1; - bi->num= -1; - bi->ptr=(char *)b; - return(1); - } - -static int mem_free(BIO *a) - { - if (a == NULL) return(0); - if (a->shutdown) - { - if ((a->init) && (a->ptr != NULL)) - { - BUF_MEM *b; - b = (BUF_MEM *)a->ptr; - if(a->flags & BIO_FLAGS_MEM_RDONLY) b->data = NULL; - BUF_MEM_free(b); - a->ptr=NULL; - } - } - return(1); - } - -static int mem_read(BIO *b, char *out, int outl) - { - int ret= -1; - BUF_MEM *bm; - - bm=(BUF_MEM *)b->ptr; - BIO_clear_retry_flags(b); - ret=(outl >=0 && (size_t)outl > bm->length)?(int)bm->length:outl; - if ((out != NULL) && (ret > 0)) { - memcpy(out,bm->data,ret); - bm->length-=ret; - if(b->flags & BIO_FLAGS_MEM_RDONLY) bm->data += ret; - else { - memmove(&(bm->data[0]),&(bm->data[ret]),bm->length); - } - } else if (bm->length == 0) - { - ret = b->num; - if (ret != 0) - BIO_set_retry_read(b); - } - return(ret); - } - -static int mem_write(BIO *b, const char *in, int inl) - { - int ret= -1; - int blen; - BUF_MEM *bm; - - bm=(BUF_MEM *)b->ptr; - if (in == NULL) - { - BIOerr(BIO_F_MEM_WRITE,BIO_R_NULL_PARAMETER); - goto end; - } - - if(b->flags & BIO_FLAGS_MEM_RDONLY) { - BIOerr(BIO_F_MEM_WRITE,BIO_R_WRITE_TO_READ_ONLY_BIO); - goto end; - } - - BIO_clear_retry_flags(b); - blen=bm->length; - if (BUF_MEM_grow_clean(bm,blen+inl) != (blen+inl)) - goto end; - memcpy(&(bm->data[blen]),in,inl); - ret=inl; -end: - return(ret); - } - -static long mem_ctrl(BIO *b, int cmd, long num, void *ptr) - { - long ret=1; - char **pptr; - - BUF_MEM *bm=(BUF_MEM *)b->ptr; - - switch (cmd) - { - case BIO_CTRL_RESET: - if (bm->data != NULL) - { - /* For read only case reset to the start again */ - if(b->flags & BIO_FLAGS_MEM_RDONLY) - { - bm->data -= bm->max - bm->length; - bm->length = bm->max; - } - else - { - memset(bm->data,0,bm->max); - bm->length=0; - } - } - break; - case BIO_CTRL_EOF: - ret=(long)(bm->length == 0); - break; - case BIO_C_SET_BUF_MEM_EOF_RETURN: - b->num=(int)num; - break; - case BIO_CTRL_INFO: - ret=(long)bm->length; - if (ptr != NULL) - { - pptr=(char **)ptr; - *pptr=(char *)&(bm->data[0]); - } - break; - case BIO_C_SET_BUF_MEM: - mem_free(b); - b->shutdown=(int)num; - b->ptr=ptr; - break; - case BIO_C_GET_BUF_MEM_PTR: - if (ptr != NULL) - { - pptr=(char **)ptr; - *pptr=(char *)bm; - } - break; - case BIO_CTRL_GET_CLOSE: - ret=(long)b->shutdown; - break; - case BIO_CTRL_SET_CLOSE: - b->shutdown=(int)num; - break; - - case BIO_CTRL_WPENDING: - ret=0L; - break; - case BIO_CTRL_PENDING: - ret=(long)bm->length; - break; - case BIO_CTRL_DUP: - case BIO_CTRL_FLUSH: - ret=1; - break; - case BIO_CTRL_PUSH: - case BIO_CTRL_POP: - default: - ret=0; - break; - } - return(ret); - } - -static int mem_gets(BIO *bp, char *buf, int size) - { - int i,j; - int ret= -1; - char *p; - BUF_MEM *bm=(BUF_MEM *)bp->ptr; - - BIO_clear_retry_flags(bp); - j=bm->length; - if ((size-1) < j) j=size-1; - if (j <= 0) - { - *buf='\0'; - return 0; - } - p=bm->data; - for (i=0; i<j; i++) - { - if (p[i] == '\n') - { - i++; - break; - } - } - - /* - * i is now the max num of bytes to copy, either j or up to - * and including the first newline - */ - - i=mem_read(bp,buf,i); - if (i > 0) buf[i]='\0'; - ret=i; - return(ret); - } - -static int mem_puts(BIO *bp, const char *str) - { - int n,ret; - - n=strlen(str); - ret=mem_write(bp,str,n); - /* memory semantics is that it will always work */ - return(ret); - } - |