diff options
Diffstat (limited to 'crypto/bio/bf_nbio.c')
| -rw-r--r-- | crypto/bio/bf_nbio.c | 322 |
1 files changed, 160 insertions, 162 deletions
diff --git a/crypto/bio/bf_nbio.c b/crypto/bio/bf_nbio.c index 028616c064..da88a8a1bf 100644 --- a/crypto/bio/bf_nbio.c +++ b/crypto/bio/bf_nbio.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 @@ -62,192 +62,190 @@ #include <openssl/rand.h> #include <openssl/bio.h> -/* BIO_put and BIO_get both add to the digest, - * BIO_gets returns the digest */ +/* + * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest + */ -static int nbiof_write(BIO *h,const char *buf,int num); -static int nbiof_read(BIO *h,char *buf,int size); -static int nbiof_puts(BIO *h,const char *str); -static int nbiof_gets(BIO *h,char *str,int size); -static long nbiof_ctrl(BIO *h,int cmd,long arg1,void *arg2); +static int nbiof_write(BIO *h, const char *buf, int num); +static int nbiof_read(BIO *h, char *buf, int size); +static int nbiof_puts(BIO *h, const char *str); +static int nbiof_gets(BIO *h, char *str, int size); +static long nbiof_ctrl(BIO *h, int cmd, long arg1, void *arg2); static int nbiof_new(BIO *h); static int nbiof_free(BIO *data); -static long nbiof_callback_ctrl(BIO *h,int cmd,bio_info_cb *fp); -typedef struct nbio_test_st - { - /* only set if we sent a 'should retry' error */ - int lrn; - int lwn; - } NBIO_TEST; - -static BIO_METHOD methods_nbiof= - { - BIO_TYPE_NBIO_TEST, - "non-blocking IO test filter", - nbiof_write, - nbiof_read, - nbiof_puts, - nbiof_gets, - nbiof_ctrl, - nbiof_new, - nbiof_free, - nbiof_callback_ctrl, - }; +static long nbiof_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); +typedef struct nbio_test_st { + /* only set if we sent a 'should retry' error */ + int lrn; + int lwn; +} NBIO_TEST; + +static BIO_METHOD methods_nbiof = { + BIO_TYPE_NBIO_TEST, + "non-blocking IO test filter", + nbiof_write, + nbiof_read, + nbiof_puts, + nbiof_gets, + nbiof_ctrl, + nbiof_new, + nbiof_free, + nbiof_callback_ctrl, +}; BIO_METHOD *BIO_f_nbio_test(void) - { - return(&methods_nbiof); - } +{ + return (&methods_nbiof); +} static int nbiof_new(BIO *bi) - { - NBIO_TEST *nt; - - if (!(nt=(NBIO_TEST *)OPENSSL_malloc(sizeof(NBIO_TEST)))) return(0); - nt->lrn= -1; - nt->lwn= -1; - bi->ptr=(char *)nt; - bi->init=1; - bi->flags=0; - return(1); - } +{ + NBIO_TEST *nt; + + if (!(nt = (NBIO_TEST *)OPENSSL_malloc(sizeof(NBIO_TEST)))) + return (0); + nt->lrn = -1; + nt->lwn = -1; + bi->ptr = (char *)nt; + bi->init = 1; + bi->flags = 0; + return (1); +} static int nbiof_free(BIO *a) - { - if (a == NULL) return(0); - if (a->ptr != NULL) - OPENSSL_free(a->ptr); - a->ptr=NULL; - a->init=0; - a->flags=0; - return(1); - } - +{ + if (a == NULL) + return (0); + if (a->ptr != NULL) + OPENSSL_free(a->ptr); + a->ptr = NULL; + a->init = 0; + a->flags = 0; + return (1); +} + static int nbiof_read(BIO *b, char *out, int outl) - { - int ret=0; +{ + int ret = 0; #if 1 - int num; - unsigned char n; + int num; + unsigned char n; #endif - if (out == NULL) return(0); - if (b->next_bio == NULL) return(0); + if (out == NULL) + return (0); + if (b->next_bio == NULL) + return (0); - BIO_clear_retry_flags(b); + BIO_clear_retry_flags(b); #if 1 - RAND_pseudo_bytes(&n,1); - num=(n&0x07); + RAND_pseudo_bytes(&n, 1); + num = (n & 0x07); - if (outl > num) outl=num; + if (outl > num) + outl = num; - if (num == 0) - { - ret= -1; - BIO_set_retry_read(b); - } - else + if (num == 0) { + ret = -1; + BIO_set_retry_read(b); + } else #endif - { - ret=BIO_read(b->next_bio,out,outl); - if (ret < 0) - BIO_copy_next_retry(b); - } - return(ret); - } + { + ret = BIO_read(b->next_bio, out, outl); + if (ret < 0) + BIO_copy_next_retry(b); + } + return (ret); +} static int nbiof_write(BIO *b, const char *in, int inl) - { - NBIO_TEST *nt; - int ret=0; - int num; - unsigned char n; +{ + NBIO_TEST *nt; + int ret = 0; + int num; + unsigned char n; - if ((in == NULL) || (inl <= 0)) return(0); - if (b->next_bio == NULL) return(0); - nt=(NBIO_TEST *)b->ptr; + if ((in == NULL) || (inl <= 0)) + return (0); + if (b->next_bio == NULL) + return (0); + nt = (NBIO_TEST *)b->ptr; - BIO_clear_retry_flags(b); + BIO_clear_retry_flags(b); #if 1 - if (nt->lwn > 0) - { - num=nt->lwn; - nt->lwn=0; - } - else - { - RAND_pseudo_bytes(&n,1); - num=(n&7); - } - - if (inl > num) inl=num; - - if (num == 0) - { - ret= -1; - BIO_set_retry_write(b); - } - else + if (nt->lwn > 0) { + num = nt->lwn; + nt->lwn = 0; + } else { + RAND_pseudo_bytes(&n, 1); + num = (n & 7); + } + + if (inl > num) + inl = num; + + if (num == 0) { + ret = -1; + BIO_set_retry_write(b); + } else #endif - { - ret=BIO_write(b->next_bio,in,inl); - if (ret < 0) - { - BIO_copy_next_retry(b); - nt->lwn=inl; - } - } - return(ret); - } + { + ret = BIO_write(b->next_bio, in, inl); + if (ret < 0) { + BIO_copy_next_retry(b); + nt->lwn = inl; + } + } + return (ret); +} static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr) - { - long ret; - - if (b->next_bio == NULL) return(0); - switch (cmd) - { - case BIO_C_DO_STATE_MACHINE: - BIO_clear_retry_flags(b); - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - BIO_copy_next_retry(b); - break; - case BIO_CTRL_DUP: - ret=0L; - break; - default: - ret=BIO_ctrl(b->next_bio,cmd,num,ptr); - break; - } - return(ret); - } +{ + long ret; + + if (b->next_bio == NULL) + return (0); + switch (cmd) { + case BIO_C_DO_STATE_MACHINE: + BIO_clear_retry_flags(b); + ret = BIO_ctrl(b->next_bio, cmd, num, ptr); + BIO_copy_next_retry(b); + break; + case BIO_CTRL_DUP: + ret = 0L; + break; + default: + ret = BIO_ctrl(b->next_bio, cmd, num, ptr); + break; + } + return (ret); +} static long nbiof_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); - } +{ + 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 nbiof_gets(BIO *bp, char *buf, int size) - { - if (bp->next_bio == NULL) return(0); - return(BIO_gets(bp->next_bio,buf,size)); - } - +{ + if (bp->next_bio == NULL) + return (0); + return (BIO_gets(bp->next_bio, buf, size)); +} static int nbiof_puts(BIO *bp, const char *str) - { - if (bp->next_bio == NULL) return(0); - return(BIO_puts(bp->next_bio,str)); - } - - +{ + if (bp->next_bio == NULL) + return (0); + return (BIO_puts(bp->next_bio, str)); +} |