diff options
author | Andy Polyakov <appro@openssl.org> | 2005-05-17 00:08:28 +0000 |
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committer | Andy Polyakov <appro@openssl.org> | 2005-05-17 00:08:28 +0000 |
commit | ea1b02db6ab4864befde88ed03099f075cf7db76 (patch) | |
tree | 6aa77dcf5934d6197d9fafa59d3ce55f4eb019f4 /crypto/bio | |
parent | 2c4b354d32b1f34314f1a3ebeee0d0fcfb7505a0 (diff) | |
download | openssl-ea1b02db6ab4864befde88ed03099f075cf7db76.tar.gz |
OPENSSL_Applink update.
Diffstat (limited to 'crypto/bio')
-rw-r--r-- | crypto/bio/b_dump.c | 4 | ||||
-rw-r--r-- | crypto/bio/bio.h | 5 | ||||
-rw-r--r-- | crypto/bio/bio_lcl.h | 28 | ||||
-rw-r--r-- | crypto/bio/bss_fd.c | 30 | ||||
-rw-r--r-- | crypto/bio/bss_file.c | 62 |
5 files changed, 106 insertions, 23 deletions
diff --git a/crypto/bio/b_dump.c b/crypto/bio/b_dump.c index a07b79437f..c80ecc4295 100644 --- a/crypto/bio/b_dump.c +++ b/crypto/bio/b_dump.c @@ -62,7 +62,7 @@ #include <stdio.h> #include "cryptlib.h" -#include <openssl/bio.h> +#include "bio_lcl.h" #define TRUNCATE #define DUMP_WIDTH 16 @@ -160,7 +160,7 @@ int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u), #ifndef OPENSSL_NO_FP_API static int write_fp(const void *data, size_t len, void *fp) { - return fwrite(data, len, 1, (FILE *)fp); + return UP_fwrite(data, len, 1, fp); } int BIO_dump_fp(FILE *fp, const char *s, int len) { diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h index 13817925aa..7f49ccbe9d 100644 --- a/crypto/bio/bio.h +++ b/crypto/bio/bio.h @@ -169,6 +169,11 @@ extern "C" { #define BIO_FLAGS_IO_SPECIAL 0x04 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) #define BIO_FLAGS_SHOULD_RETRY 0x08 +#ifndef BIO_FLAGS_UPLINK +/* "UPLINK" flag denotes file descriptors provided by application. + It defaults to 0, as most platforms don't require UPLINK interface. */ +#define BIO_FLAGS_UPLINK 0 +#endif /* Used in BIO_gethostbyname() */ #define BIO_GHBN_CTRL_HITS 1 diff --git a/crypto/bio/bio_lcl.h b/crypto/bio/bio_lcl.h new file mode 100644 index 0000000000..dba2919d43 --- /dev/null +++ b/crypto/bio/bio_lcl.h @@ -0,0 +1,28 @@ +#include <openssl/bio.h> + +#if BIO_FLAGS_UPLINK==0 +/* Shortcut UPLINK calls on most platforms... */ +#define UP_stdin stdin +#define UP_stdout stdout +#define UP_stderr stderr +#define UP_fprintf fprintf +#define UP_fgets fgets +#define UP_fread fread +#define UP_fwrite fwrite +#undef UP_fsetmod +#define UP_feof feof +#define UP_fclose fclose + +#define UP_fopen fopen +#define UP_fseek fseek +#define UP_ftell ftell +#define UP_fflush fflush +#define UP_ferror ferror +#define UP_fileno fileno + +#define UP_open open +#define UP_read read +#define UP_write write +#define UP_lseek lseek +#define UP_close close +#endif diff --git a/crypto/bio/bss_fd.c b/crypto/bio/bss_fd.c index 5e3e187de6..4c229bf641 100644 --- a/crypto/bio/bss_fd.c +++ b/crypto/bio/bss_fd.c @@ -60,7 +60,19 @@ #include <errno.h> #define USE_SOCKETS #include "cryptlib.h" -#include <openssl/bio.h> +/* + * As for unconditional usage of "UPLINK" interface in this module. + * Trouble is that unlike Unix file descriptors [which are indexes + * in kernel-side per-process table], corresponding descriptors on + * platforms which require "UPLINK" interface seem to be indexes + * in a user-land, non-global table. Well, in fact they are indexes + * in stdio _iob[], and recall that _iob[] was the very reason why + * "UPLINK" interface was introduced in first place. But one way on + * another. Neither libcrypto or libssl use this BIO meaning that + * file descriptors can only be provided by application. Therefore + * "UPLINK" calls are due... + */ +#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); @@ -100,9 +112,9 @@ BIO *BIO_new_fd(int fd,int close_flag) static int fd_new(BIO *bi) { bi->init=0; - bi->num=0; + bi->num=-1; bi->ptr=NULL; - bi->flags=0; + bi->flags=BIO_FLAGS_UPLINK; /* essentially redundant */ return(1); } @@ -113,10 +125,10 @@ static int fd_free(BIO *a) { if (a->init) { - close(a->num); + UP_close(a->num); } a->init=0; - a->flags=0; + a->flags=BIO_FLAGS_UPLINK; } return(1); } @@ -128,7 +140,7 @@ static int fd_read(BIO *b, char *out,int outl) if (out != NULL) { clear_sys_error(); - ret=read(b->num,out,outl); + ret=UP_read(b->num,out,outl); BIO_clear_retry_flags(b); if (ret <= 0) { @@ -143,7 +155,7 @@ static int fd_write(BIO *b, const char *in, int inl) { int ret; clear_sys_error(); - ret=write(b->num,in,inl); + ret=UP_write(b->num,in,inl); BIO_clear_retry_flags(b); if (ret <= 0) { @@ -163,11 +175,11 @@ static long fd_ctrl(BIO *b, int cmd, long num, void *ptr) case BIO_CTRL_RESET: num=0; case BIO_C_FILE_SEEK: - ret=(long)lseek(b->num,num,0); + ret=(long)UP_lseek(b->num,num,0); break; case BIO_C_FILE_TELL: case BIO_CTRL_INFO: - ret=(long)lseek(b->num,0,1); + ret=(long)UP_lseek(b->num,0,1); break; case BIO_C_SET_FD: fd_free(b); diff --git a/crypto/bio/bss_file.c b/crypto/bio/bss_file.c index 764b7f8372..c97ac14651 100644 --- a/crypto/bio/bss_file.c +++ b/crypto/bio/bss_file.c @@ -68,7 +68,7 @@ #include <stdio.h> #include <errno.h> #include "cryptlib.h" -#include <openssl/bio.h> +#include "bio_lcl.h" #include <openssl/err.h> #if !defined(OPENSSL_NO_STDIO) @@ -112,6 +112,7 @@ BIO *BIO_new_file(const char *filename, const char *mode) if ((ret=BIO_new(BIO_s_file_internal())) == NULL) return(NULL); + BIO_clear_flags(ret,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */ BIO_set_fp(ret,file,BIO_CLOSE); return(ret); } @@ -123,6 +124,7 @@ BIO *BIO_new_fp(FILE *stream, int close_flag) if ((ret=BIO_new(BIO_s_file())) == NULL) return(NULL); + BIO_set_flags(ret,BIO_FLAGS_UPLINK); /* redundant, left for documentation puposes */ BIO_set_fp(ret,stream,close_flag); return(ret); } @@ -137,6 +139,7 @@ static int MS_CALLBACK file_new(BIO *bi) bi->init=0; bi->num=0; bi->ptr=NULL; + bi->flags=BIO_FLAGS_UPLINK; /* default to UPLINK */ return(1); } @@ -147,8 +150,12 @@ static int MS_CALLBACK file_free(BIO *a) { if ((a->init) && (a->ptr != NULL)) { - fclose((FILE *)a->ptr); + if (a->flags&BIO_FLAGS_UPLINK) + UP_fclose (a->ptr); + else + fclose (a->ptr); a->ptr=NULL; + a->flags=BIO_FLAGS_UPLINK; } a->init=0; } @@ -161,8 +168,11 @@ static int MS_CALLBACK file_read(BIO *b, char *out, int outl) if (b->init && (out != NULL)) { - ret=fread(out,1,(int)outl,(FILE *)b->ptr); - if(ret == 0 && ferror((FILE *)b->ptr)) + if (b->flags&BIO_FLAGS_UPLINK) + ret=UP_fread(out,1,(int)outl,b->ptr); + else + ret=fread(out,1,(int)outl,(FILE *)b->ptr); + if(ret == 0 && (b->flags&BIO_FLAGS_UPLINK)?UP_ferror((FILE *)b->ptr):ferror((FILE *)b->ptr)) { SYSerr(SYS_F_FREAD,get_last_sys_error()); BIOerr(BIO_F_FILE_READ,ERR_R_SYS_LIB); @@ -178,7 +188,11 @@ static int MS_CALLBACK file_write(BIO *b, const char *in, int inl) if (b->init && (in != NULL)) { - if (fwrite(in,(int)inl,1,(FILE *)b->ptr)) + if (b->flags&BIO_FLAGS_UPLINK) + ret=UP_fwrite(in,(int)inl,1,b->ptr); + else + ret=fwrite(in,(int)inl,1,(FILE *)b->ptr); + if (ret) ret=inl; /* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */ /* according to Tim Hudson <tjh@cryptsoft.com>, the commented @@ -199,20 +213,40 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr) { case BIO_C_FILE_SEEK: case BIO_CTRL_RESET: - ret=(long)fseek(fp,num,0); + if (b->flags&BIO_FLAGS_UPLINK) + ret=(long)UP_fseek(b->ptr,num,0); + else + ret=(long)fseek(fp,num,0); break; case BIO_CTRL_EOF: - ret=(long)feof(fp); + if (b->flags&BIO_FLAGS_UPLINK) + ret=(long)UP_feof(fp); + else + ret=(long)feof(fp); break; case BIO_C_FILE_TELL: case BIO_CTRL_INFO: - ret=ftell(fp); + if (b->flags&BIO_FLAGS_UPLINK) + ret=UP_ftell(b->ptr); + else + ret=ftell(fp); break; case BIO_C_SET_FILE_PTR: file_free(b); b->shutdown=(int)num&BIO_CLOSE; - b->ptr=(char *)ptr; + b->ptr=ptr; b->init=1; +#if BIO_FLAGS_UPLINK!=0 && defined(_IOB_ENTRIES) + /* Safety net to catch purely internal BIO_set_fp calls */ + if ((size_t)ptr >= (size_t)stdin && + (size_t)ptr < (size_t)(stdin+_IOB_ENTRIES)) + BIO_clear_flags(b,BIO_FLAGS_UPLINK); +#endif +#ifdef UP_fsetmode + if (b->flags&BIO_FLAGS_UPLINK) + UP_fsetmode(b->ptr,num&BIO_FP_TEXT?'t':'b'); + else +#endif { #if defined(OPENSSL_SYS_WINDOWS) int fd = fileno((FILE*)ptr); @@ -286,7 +320,7 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr) else strcat(p,"t"); #endif -fp=fopen(ptr,p); + fp=fopen(ptr,p); if (fp == NULL) { SYSerr(SYS_F_FOPEN,get_last_sys_error()); @@ -295,8 +329,9 @@ fp=fopen(ptr,p); ret=0; break; } - b->ptr=(char *)fp; + b->ptr=fp; b->init=1; + BIO_clear_flags(b,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */ break; case BIO_C_GET_FILE_PTR: /* the ptr parameter is actually a FILE ** in this case. */ @@ -313,7 +348,10 @@ fp=fopen(ptr,p); b->shutdown=(int)num; break; case BIO_CTRL_FLUSH: - fflush((FILE *)b->ptr); + if (b->flags&BIO_FLAGS_UPLINK) + UP_fflush(b->ptr); + else + fflush((FILE *)b->ptr); break; case BIO_CTRL_DUP: ret=1; |