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author | marha <marha@users.sourceforge.net> | 2015-02-22 14:43:31 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2015-02-22 14:43:31 +0100 |
commit | c9aad1ae6227c434d480d1d3aa8eae3c3c910c18 (patch) | |
tree | 94b917df998c3d547e191b3b9c58bbffc616470e /openssl/crypto/bio/bss_mem.c | |
parent | f1c2db43dcf35d2cf4715390bd2391c28e42a8c2 (diff) | |
download | vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.tar.gz vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.tar.bz2 vcxsrv-c9aad1ae6227c434d480d1d3aa8eae3c3c910c18.zip |
Upgraded to openssl-1.0.2
Diffstat (limited to 'openssl/crypto/bio/bss_mem.c')
-rw-r--r-- | openssl/crypto/bio/bss_mem.c | 436 |
1 files changed, 214 insertions, 222 deletions
diff --git a/openssl/crypto/bio/bss_mem.c b/openssl/crypto/bio/bss_mem.c index 37d4194e4..d190765dc 100644 --- a/openssl/crypto/bio/bss_mem.c +++ b/openssl/crypto/bio/bss_mem.c @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 + * 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 @@ -49,7 +49,7 @@ * 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 @@ -68,252 +68,244 @@ 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, - }; +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->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); - } +{ + return (&mem_method); +} BIO *BIO_new_mem_buf(void *buf, int len) { - BIO *ret; - BUF_MEM *b; - size_t sz; + 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; + 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; +{ + 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); - } + 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); - } - +{ + 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; +{ + 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); - } + 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; +{ + 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; - } + 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; - } + 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); - } + 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; +{ + long ret = 1; + char **pptr; - BUF_MEM *bm=(BUF_MEM *)b->ptr; + 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; + 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); - } + 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; +{ + 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; - } - } + 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 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); - } + 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); - } +{ + int n, ret; + n = strlen(str); + ret = mem_write(bp, str, n); + /* memory semantics is that it will always work */ + return (ret); +} |