X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbio%2Fbss_fd.c;h=12306c2dc041c139d369d0a0343d9d2adc4fdf11;hp=5786ed495b6b8948c1c694da05fc63bf57ca284d;hb=349807608f31b20af01a342d0072bb92e0b036e2;hpb=eff7cb41d1bbcef65b34d3f75307a1b4ad11c563 diff --git a/crypto/bio/bss_fd.c b/crypto/bio/bss_fd.c index 5786ed495b..12306c2dc0 100644 --- a/crypto/bio/bss_fd.c +++ b/crypto/bio/bss_fd.c @@ -1,25 +1,24 @@ -/* crypto/bio/bss_fd.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: @@ -34,10 +33,10 @@ * 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 @@ -49,19 +48,42 @@ * 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.] */ -#if !defined(_WIN32_WCE) - #include #include #define USE_SOCKETS -#include "cryptlib.h" +#include "internal/cryptlib.h" + +#if defined(OPENSSL_NO_POSIX_IO) +/* + * Dummy placeholder for BIO_s_fd... + */ +BIO *BIO_new_fd(int fd, int close_flag) +{ + return NULL; +} + +int BIO_fd_non_fatal_error(int err) +{ + return 0; +} + +int BIO_fd_should_retry(int i) +{ + return 0; +} + +BIO_METHOD *BIO_s_fd(void) +{ + return NULL; +} +#else /* * As for unconditional usage of "UPLINK" interface in this module. * Trouble is that unlike Unix file descriptors [which are indexes @@ -74,224 +96,234 @@ * file descriptors can only be provided by application. Therefore * "UPLINK" calls are due... */ -#include "bio_lcl.h" +# include "bio_lcl.h" static int fd_write(BIO *h, const char *buf, int num); static int fd_read(BIO *h, char *buf, int size); static int fd_puts(BIO *h, const char *str); +static int fd_gets(BIO *h, char *buf, int size); static long fd_ctrl(BIO *h, int cmd, long arg1, void *arg2); static int fd_new(BIO *h); static int fd_free(BIO *data); int BIO_fd_should_retry(int s); -static BIO_METHOD methods_fdp= - { - BIO_TYPE_FD,"file descriptor", - fd_write, - fd_read, - fd_puts, - NULL, /* fd_gets, */ - fd_ctrl, - fd_new, - fd_free, - NULL, - }; +static BIO_METHOD methods_fdp = { + BIO_TYPE_FD, "file descriptor", + fd_write, + fd_read, + fd_puts, + fd_gets, + fd_ctrl, + fd_new, + fd_free, + NULL, +}; BIO_METHOD *BIO_s_fd(void) - { - return(&methods_fdp); - } - -BIO *BIO_new_fd(int fd,int close_flag) - { - BIO *ret; - ret=BIO_new(BIO_s_fd()); - if (ret == NULL) return(NULL); - BIO_set_fd(ret,fd,close_flag); - return(ret); - } +{ + return (&methods_fdp); +} + +BIO *BIO_new_fd(int fd, int close_flag) +{ + BIO *ret; + ret = BIO_new(BIO_s_fd()); + if (ret == NULL) + return (NULL); + BIO_set_fd(ret, fd, close_flag); + return (ret); +} static int fd_new(BIO *bi) - { - bi->init=0; - bi->num=-1; - bi->ptr=NULL; - bi->flags=BIO_FLAGS_UPLINK; /* essentially redundant */ - return(1); - } +{ + bi->init = 0; + bi->num = -1; + bi->ptr = NULL; + bi->flags = BIO_FLAGS_UPLINK; /* essentially redundant */ + return (1); +} static int fd_free(BIO *a) - { - if (a == NULL) return(0); - if (a->shutdown) - { - if (a->init) - { - UP_close(a->num); - } - a->init=0; - a->flags=BIO_FLAGS_UPLINK; - } - return(1); - } - -static int fd_read(BIO *b, char *out,int outl) - { - int ret=0; - - if (out != NULL) - { - clear_sys_error(); - ret=UP_read(b->num,out,outl); - BIO_clear_retry_flags(b); - if (ret <= 0) - { - if (BIO_fd_should_retry(ret)) - BIO_set_retry_read(b); - } - } - return(ret); - } +{ + if (a == NULL) + return (0); + if (a->shutdown) { + if (a->init) { + UP_close(a->num); + } + a->init = 0; + a->flags = BIO_FLAGS_UPLINK; + } + return (1); +} + +static int fd_read(BIO *b, char *out, int outl) +{ + int ret = 0; + + if (out != NULL) { + clear_sys_error(); + ret = UP_read(b->num, out, outl); + BIO_clear_retry_flags(b); + if (ret <= 0) { + if (BIO_fd_should_retry(ret)) + BIO_set_retry_read(b); + } + } + return (ret); +} static int fd_write(BIO *b, const char *in, int inl) - { - int ret; - clear_sys_error(); - ret=UP_write(b->num,in,inl); - BIO_clear_retry_flags(b); - if (ret <= 0) - { - if (BIO_fd_should_retry(ret)) - BIO_set_retry_write(b); - } - return(ret); - } +{ + int ret; + clear_sys_error(); + ret = UP_write(b->num, in, inl); + BIO_clear_retry_flags(b); + if (ret <= 0) { + if (BIO_fd_should_retry(ret)) + BIO_set_retry_write(b); + } + return (ret); +} static long fd_ctrl(BIO *b, int cmd, long num, void *ptr) - { - long ret=1; - int *ip; - - switch (cmd) - { - case BIO_CTRL_RESET: - num=0; - case BIO_C_FILE_SEEK: - ret=(long)UP_lseek(b->num,num,0); - break; - case BIO_C_FILE_TELL: - case BIO_CTRL_INFO: - ret=(long)UP_lseek(b->num,0,1); - break; - case BIO_C_SET_FD: - fd_free(b); - b->num= *((int *)ptr); - b->shutdown=(int)num; - b->init=1; - break; - case BIO_C_GET_FD: - if (b->init) - { - ip=(int *)ptr; - if (ip != NULL) *ip=b->num; - ret=b->num; - } - else - ret= -1; - break; - case BIO_CTRL_GET_CLOSE: - ret=b->shutdown; - break; - case BIO_CTRL_SET_CLOSE: - b->shutdown=(int)num; - break; - case BIO_CTRL_PENDING: - case BIO_CTRL_WPENDING: - ret=0; - break; - case BIO_CTRL_DUP: - case BIO_CTRL_FLUSH: - ret=1; - break; - default: - ret=0; - break; - } - return(ret); - } +{ + long ret = 1; + int *ip; + + switch (cmd) { + case BIO_CTRL_RESET: + num = 0; + case BIO_C_FILE_SEEK: + ret = (long)UP_lseek(b->num, num, 0); + break; + case BIO_C_FILE_TELL: + case BIO_CTRL_INFO: + ret = (long)UP_lseek(b->num, 0, 1); + break; + case BIO_C_SET_FD: + fd_free(b); + b->num = *((int *)ptr); + b->shutdown = (int)num; + b->init = 1; + break; + case BIO_C_GET_FD: + if (b->init) { + ip = (int *)ptr; + if (ip != NULL) + *ip = b->num; + ret = b->num; + } else + ret = -1; + break; + case BIO_CTRL_GET_CLOSE: + ret = b->shutdown; + break; + case BIO_CTRL_SET_CLOSE: + b->shutdown = (int)num; + break; + case BIO_CTRL_PENDING: + case BIO_CTRL_WPENDING: + ret = 0; + break; + case BIO_CTRL_DUP: + case BIO_CTRL_FLUSH: + ret = 1; + break; + default: + ret = 0; + break; + } + return (ret); +} static int fd_puts(BIO *bp, const char *str) - { - int n,ret; +{ + int n, ret; + + n = strlen(str); + ret = fd_write(bp, str, n); + return (ret); +} - n=strlen(str); - ret=fd_write(bp,str,n); - return(ret); - } +static int fd_gets(BIO *bp, char *buf, int size) +{ + int ret = 0; + char *ptr = buf; + char *end = buf + size - 1; + + while ((ptr < end) && (fd_read(bp, ptr, 1) > 0) && (ptr[0] != '\n')) + ptr++; + + ptr[0] = '\0'; + + if (buf[0] != '\0') + ret = strlen(buf); + return (ret); +} int BIO_fd_should_retry(int i) - { - int err; +{ + int err; - if ((i == 0) || (i == -1)) - { - err=get_last_sys_error(); + if ((i == 0) || (i == -1)) { + err = get_last_sys_error(); -#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */ - if ((i == -1) && (err == 0)) - return(1); -#endif +# if defined(OPENSSL_SYS_WINDOWS) && 0/* more microsoft stupidity? perhaps + * not? Ben 4/1/99 */ + if ((i == -1) && (err == 0)) + return (1); +# endif - return(BIO_fd_non_fatal_error(err)); - } - return(0); - } + return (BIO_fd_non_fatal_error(err)); + } + return (0); +} int BIO_fd_non_fatal_error(int err) - { - switch (err) - { - -#ifdef EWOULDBLOCK -# ifdef WSAEWOULDBLOCK -# if WSAEWOULDBLOCK != EWOULDBLOCK - case EWOULDBLOCK: +{ + switch (err) { + +# ifdef EWOULDBLOCK +# ifdef WSAEWOULDBLOCK +# if WSAEWOULDBLOCK != EWOULDBLOCK + case EWOULDBLOCK: +# endif +# else + case EWOULDBLOCK: # endif -# else - case EWOULDBLOCK: # endif -#endif -#if defined(ENOTCONN) - case ENOTCONN: -#endif +# if defined(ENOTCONN) + case ENOTCONN: +# endif -#ifdef EINTR - case EINTR: -#endif +# ifdef EINTR + case EINTR: +# endif -#ifdef EAGAIN -#if EWOULDBLOCK != EAGAIN - case EAGAIN: +# ifdef EAGAIN +# if EWOULDBLOCK != EAGAIN + case EAGAIN: +# endif # endif -#endif -#ifdef EPROTO - case EPROTO: -#endif +# ifdef EPROTO + case EPROTO: +# endif -#ifdef EINPROGRESS - case EINPROGRESS: -#endif +# ifdef EINPROGRESS + case EINPROGRESS: +# endif -#ifdef EALREADY - case EALREADY: -#endif - return(1); - /* break; */ - default: - break; - } - return(0); - } +# ifdef EALREADY + case EALREADY: +# endif + return (1); + /* break; */ + default: + break; + } + return (0); +} #endif