diff options
Diffstat (limited to 'crypto/bio/bss_fd.c')
| -rw-r--r-- | crypto/bio/bss_fd.c | 57 |
1 files changed, 47 insertions, 10 deletions
diff --git a/crypto/bio/bss_fd.c b/crypto/bio/bss_fd.c index 5e3e187de6..d1bf85aae1 100644 --- a/crypto/bio/bss_fd.c +++ b/crypto/bio/bss_fd.c @@ -60,11 +60,31 @@ #include <errno.h> #define USE_SOCKETS #include "cryptlib.h" -#include <openssl/bio.h> + +#if defined(OPENSSL_NO_POSIX_IO) +/* + * One can argue that one should implement dummy placeholder for + * BIO_s_fd here... + */ +#else +/* + * 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); 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); @@ -76,7 +96,7 @@ static BIO_METHOD methods_fdp= fd_write, fd_read, fd_puts, - NULL, /* fd_gets, */ + fd_gets, fd_ctrl, fd_new, fd_free, @@ -100,9 +120,9 @@ 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 +133,10 @@ 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 +148,7 @@ 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 +163,7 @@ 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 +183,11 @@ 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); @@ -215,6 +235,22 @@ static int fd_puts(BIO *bp, const char *str) 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; @@ -280,3 +316,4 @@ int BIO_fd_non_fatal_error(int err) } return(0); } +#endif |