diff options
Diffstat (limited to 'thirdparty/openssl/crypto/bio/bss_mem.c')
| -rw-r--r-- | thirdparty/openssl/crypto/bio/bss_mem.c | 313 | 
1 files changed, 0 insertions, 313 deletions
diff --git a/thirdparty/openssl/crypto/bio/bss_mem.c b/thirdparty/openssl/crypto/bio/bss_mem.c deleted file mode 100644 index b0394a960d..0000000000 --- a/thirdparty/openssl/crypto/bio/bss_mem.c +++ /dev/null @@ -1,313 +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(const 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; -    /* Cast away const and trust in the MEM_RDONLY flag. */ -    b->data = (void *)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); -}  |