diff options
Diffstat (limited to 'app/openssl/crypto/bio/bf_lbuf.c')
-rw-r--r-- | app/openssl/crypto/bio/bf_lbuf.c | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/app/openssl/crypto/bio/bf_lbuf.c b/app/openssl/crypto/bio/bf_lbuf.c deleted file mode 100644 index ec0f7eb0..00000000 --- a/app/openssl/crypto/bio/bf_lbuf.c +++ /dev/null @@ -1,397 +0,0 @@ -/* crypto/bio/bf_buff.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> -#include <openssl/evp.h> - -static int linebuffer_write(BIO *h, const char *buf,int num); -static int linebuffer_read(BIO *h, char *buf, int size); -static int linebuffer_puts(BIO *h, const char *str); -static int linebuffer_gets(BIO *h, char *str, int size); -static long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2); -static int linebuffer_new(BIO *h); -static int linebuffer_free(BIO *data); -static long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); - -/* A 10k maximum should be enough for most purposes */ -#define DEFAULT_LINEBUFFER_SIZE 1024*10 - -/* #define DEBUG */ - -static BIO_METHOD methods_linebuffer= - { - BIO_TYPE_LINEBUFFER, - "linebuffer", - linebuffer_write, - linebuffer_read, - linebuffer_puts, - linebuffer_gets, - linebuffer_ctrl, - linebuffer_new, - linebuffer_free, - linebuffer_callback_ctrl, - }; - -BIO_METHOD *BIO_f_linebuffer(void) - { - return(&methods_linebuffer); - } - -typedef struct bio_linebuffer_ctx_struct - { - char *obuf; /* the output char array */ - int obuf_size; /* how big is the output buffer */ - int obuf_len; /* how many bytes are in it */ - } BIO_LINEBUFFER_CTX; - -static int linebuffer_new(BIO *bi) - { - BIO_LINEBUFFER_CTX *ctx; - - ctx=(BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX)); - if (ctx == NULL) return(0); - ctx->obuf=(char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE); - if (ctx->obuf == NULL) { OPENSSL_free(ctx); return(0); } - ctx->obuf_size=DEFAULT_LINEBUFFER_SIZE; - ctx->obuf_len=0; - - bi->init=1; - bi->ptr=(char *)ctx; - bi->flags=0; - return(1); - } - -static int linebuffer_free(BIO *a) - { - BIO_LINEBUFFER_CTX *b; - - if (a == NULL) return(0); - b=(BIO_LINEBUFFER_CTX *)a->ptr; - if (b->obuf != NULL) OPENSSL_free(b->obuf); - OPENSSL_free(a->ptr); - a->ptr=NULL; - a->init=0; - a->flags=0; - return(1); - } - -static int linebuffer_read(BIO *b, char *out, int outl) - { - int ret=0; - - if (out == NULL) return(0); - if (b->next_bio == NULL) return(0); - ret=BIO_read(b->next_bio,out,outl); - BIO_clear_retry_flags(b); - BIO_copy_next_retry(b); - return(ret); - } - -static int linebuffer_write(BIO *b, const char *in, int inl) - { - int i,num=0,foundnl; - BIO_LINEBUFFER_CTX *ctx; - - if ((in == NULL) || (inl <= 0)) return(0); - ctx=(BIO_LINEBUFFER_CTX *)b->ptr; - if ((ctx == NULL) || (b->next_bio == NULL)) return(0); - - BIO_clear_retry_flags(b); - - do - { - const char *p; - - for(p = in; p < in + inl && *p != '\n'; p++) - ; - if (*p == '\n') - { - p++; - foundnl = 1; - } - else - foundnl = 0; - - /* If a NL was found and we already have text in the save - buffer, concatenate them and write */ - while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len) - && ctx->obuf_len > 0) - { - int orig_olen = ctx->obuf_len; - - i = ctx->obuf_size - ctx->obuf_len; - if (p - in > 0) - { - if (i >= p - in) - { - memcpy(&(ctx->obuf[ctx->obuf_len]), - in,p - in); - ctx->obuf_len += p - in; - inl -= p - in; - num += p - in; - in = p; - } - else - { - memcpy(&(ctx->obuf[ctx->obuf_len]), - in,i); - ctx->obuf_len += i; - inl -= i; - in += i; - num += i; - } - } - -#if 0 -BIO_write(b->next_bio, "<*<", 3); -#endif - i=BIO_write(b->next_bio, - ctx->obuf, ctx->obuf_len); - if (i <= 0) - { - ctx->obuf_len = orig_olen; - BIO_copy_next_retry(b); - -#if 0 -BIO_write(b->next_bio, ">*>", 3); -#endif - if (i < 0) return((num > 0)?num:i); - if (i == 0) return(num); - } -#if 0 -BIO_write(b->next_bio, ">*>", 3); -#endif - if (i < ctx->obuf_len) - memmove(ctx->obuf, ctx->obuf + i, - ctx->obuf_len - i); - ctx->obuf_len-=i; - } - - /* Now that the save buffer is emptied, let's write the input - buffer if a NL was found and there is anything to write. */ - if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) - { -#if 0 -BIO_write(b->next_bio, "<*<", 3); -#endif - i=BIO_write(b->next_bio,in,p - in); - if (i <= 0) - { - BIO_copy_next_retry(b); -#if 0 -BIO_write(b->next_bio, ">*>", 3); -#endif - if (i < 0) return((num > 0)?num:i); - if (i == 0) return(num); - } -#if 0 -BIO_write(b->next_bio, ">*>", 3); -#endif - num+=i; - in+=i; - inl-=i; - } - } - while(foundnl && inl > 0); - /* We've written as much as we can. The rest of the input buffer, if - any, is text that doesn't and with a NL and therefore needs to be - saved for the next trip. */ - if (inl > 0) - { - memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl); - ctx->obuf_len += inl; - num += inl; - } - return num; - } - -static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr) - { - BIO *dbio; - BIO_LINEBUFFER_CTX *ctx; - long ret=1; - char *p; - int r; - int obs; - - ctx=(BIO_LINEBUFFER_CTX *)b->ptr; - - switch (cmd) - { - case BIO_CTRL_RESET: - ctx->obuf_len=0; - if (b->next_bio == NULL) return(0); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - break; - case BIO_CTRL_INFO: - ret=(long)ctx->obuf_len; - break; - case BIO_CTRL_WPENDING: - ret=(long)ctx->obuf_len; - if (ret == 0) - { - if (b->next_bio == NULL) return(0); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - } - break; - case BIO_C_SET_BUFF_SIZE: - obs=(int)num; - p=ctx->obuf; - if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) - { - p=(char *)OPENSSL_malloc((int)num); - if (p == NULL) - goto malloc_error; - } - if (ctx->obuf != p) - { - if (ctx->obuf_len > obs) - { - ctx->obuf_len = obs; - } - memcpy(p, ctx->obuf, ctx->obuf_len); - OPENSSL_free(ctx->obuf); - ctx->obuf=p; - ctx->obuf_size=obs; - } - break; - case BIO_C_DO_STATE_MACHINE: - if (b->next_bio == NULL) return(0); - BIO_clear_retry_flags(b); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - BIO_copy_next_retry(b); - break; - - case BIO_CTRL_FLUSH: - if (b->next_bio == NULL) return(0); - if (ctx->obuf_len <= 0) - { - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - break; - } - - for (;;) - { - BIO_clear_retry_flags(b); - if (ctx->obuf_len > 0) - { - r=BIO_write(b->next_bio, - ctx->obuf, ctx->obuf_len); -#if 0 -fprintf(stderr,"FLUSH %3d -> %3d\n",ctx->obuf_len,r); -#endif - BIO_copy_next_retry(b); - if (r <= 0) return((long)r); - if (r < ctx->obuf_len) - memmove(ctx->obuf, ctx->obuf + r, - ctx->obuf_len - r); - ctx->obuf_len-=r; - } - else - { - ctx->obuf_len=0; - ret=1; - break; - } - } - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - break; - case BIO_CTRL_DUP: - dbio=(BIO *)ptr; - if ( !BIO_set_write_buffer_size(dbio,ctx->obuf_size)) - ret=0; - break; - default: - if (b->next_bio == NULL) return(0); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - break; - } - return(ret); -malloc_error: - BIOerr(BIO_F_LINEBUFFER_CTRL,ERR_R_MALLOC_FAILURE); - return(0); - } - -static long linebuffer_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) - { - long ret=1; - - if (b->next_bio == NULL) return(0); - switch (cmd) - { - default: - ret=BIO_callback_ctrl(b->next_bio,cmd,fp); - break; - } - return(ret); - } - -static int linebuffer_gets(BIO *b, char *buf, int size) - { - if (b->next_bio == NULL) return(0); - return(BIO_gets(b->next_bio,buf,size)); - } - -static int linebuffer_puts(BIO *b, const char *str) - { - return(linebuffer_write(b,str,strlen(str))); - } - |