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-rw-r--r--crypto/bio/bf_lbuf.c580
1 files changed, 287 insertions, 293 deletions
diff --git a/crypto/bio/bf_lbuf.c b/crypto/bio/bf_lbuf.c
index ec0f7eb0b7ee..46d0d5a1e6eb 100644
--- a/crypto/bio/bf_lbuf.c
+++ b/crypto/bio/bf_lbuf.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
@@ -62,7 +62,7 @@
#include <openssl/bio.h>
#include <openssl/evp.h>
-static int linebuffer_write(BIO *h, const char *buf,int num);
+static int linebuffer_write(BIO *h, const char *buf, int num);
static int linebuffer_read(BIO *h, char *buf, int size);
static int linebuffer_puts(BIO *h, const char *str);
static int linebuffer_gets(BIO *h, char *str, int size);
@@ -72,326 +72,320 @@ static int linebuffer_free(BIO *data);
static long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
/* A 10k maximum should be enough for most purposes */
-#define DEFAULT_LINEBUFFER_SIZE 1024*10
+#define DEFAULT_LINEBUFFER_SIZE 1024*10
/* #define DEBUG */
-static BIO_METHOD methods_linebuffer=
- {
- BIO_TYPE_LINEBUFFER,
- "linebuffer",
- linebuffer_write,
- linebuffer_read,
- linebuffer_puts,
- linebuffer_gets,
- linebuffer_ctrl,
- linebuffer_new,
- linebuffer_free,
- linebuffer_callback_ctrl,
- };
+static BIO_METHOD methods_linebuffer = {
+ BIO_TYPE_LINEBUFFER,
+ "linebuffer",
+ linebuffer_write,
+ linebuffer_read,
+ linebuffer_puts,
+ linebuffer_gets,
+ linebuffer_ctrl,
+ linebuffer_new,
+ linebuffer_free,
+ linebuffer_callback_ctrl,
+};
BIO_METHOD *BIO_f_linebuffer(void)
- {
- return(&methods_linebuffer);
- }
+{
+ return (&methods_linebuffer);
+}
-typedef struct bio_linebuffer_ctx_struct
- {
- char *obuf; /* the output char array */
- int obuf_size; /* how big is the output buffer */
- int obuf_len; /* how many bytes are in it */
- } BIO_LINEBUFFER_CTX;
+typedef struct bio_linebuffer_ctx_struct {
+ char *obuf; /* the output char array */
+ int obuf_size; /* how big is the output buffer */
+ int obuf_len; /* how many bytes are in it */
+} BIO_LINEBUFFER_CTX;
static int linebuffer_new(BIO *bi)
- {
- BIO_LINEBUFFER_CTX *ctx;
-
- ctx=(BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX));
- if (ctx == NULL) return(0);
- ctx->obuf=(char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
- if (ctx->obuf == NULL) { OPENSSL_free(ctx); return(0); }
- ctx->obuf_size=DEFAULT_LINEBUFFER_SIZE;
- ctx->obuf_len=0;
-
- bi->init=1;
- bi->ptr=(char *)ctx;
- bi->flags=0;
- return(1);
- }
+{
+ BIO_LINEBUFFER_CTX *ctx;
+
+ ctx = (BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX));
+ if (ctx == NULL)
+ return (0);
+ ctx->obuf = (char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
+ if (ctx->obuf == NULL) {
+ OPENSSL_free(ctx);
+ return (0);
+ }
+ ctx->obuf_size = DEFAULT_LINEBUFFER_SIZE;
+ ctx->obuf_len = 0;
+
+ bi->init = 1;
+ bi->ptr = (char *)ctx;
+ bi->flags = 0;
+ return (1);
+}
static int linebuffer_free(BIO *a)
- {
- BIO_LINEBUFFER_CTX *b;
-
- if (a == NULL) return(0);
- b=(BIO_LINEBUFFER_CTX *)a->ptr;
- if (b->obuf != NULL) OPENSSL_free(b->obuf);
- OPENSSL_free(a->ptr);
- a->ptr=NULL;
- a->init=0;
- a->flags=0;
- return(1);
- }
-
+{
+ BIO_LINEBUFFER_CTX *b;
+
+ if (a == NULL)
+ return (0);
+ b = (BIO_LINEBUFFER_CTX *)a->ptr;
+ if (b->obuf != NULL)
+ OPENSSL_free(b->obuf);
+ OPENSSL_free(a->ptr);
+ a->ptr = NULL;
+ a->init = 0;
+ a->flags = 0;
+ return (1);
+}
+
static int linebuffer_read(BIO *b, char *out, int outl)
- {
- int ret=0;
-
- if (out == NULL) return(0);
- if (b->next_bio == NULL) return(0);
- ret=BIO_read(b->next_bio,out,outl);
- BIO_clear_retry_flags(b);
- BIO_copy_next_retry(b);
- return(ret);
- }
+{
+ int ret = 0;
+
+ if (out == NULL)
+ return (0);
+ if (b->next_bio == NULL)
+ return (0);
+ ret = BIO_read(b->next_bio, out, outl);
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return (ret);
+}
static int linebuffer_write(BIO *b, const char *in, int inl)
- {
- int i,num=0,foundnl;
- BIO_LINEBUFFER_CTX *ctx;
-
- if ((in == NULL) || (inl <= 0)) return(0);
- ctx=(BIO_LINEBUFFER_CTX *)b->ptr;
- if ((ctx == NULL) || (b->next_bio == NULL)) return(0);
-
- BIO_clear_retry_flags(b);
-
- do
- {
- const char *p;
-
- for(p = in; p < in + inl && *p != '\n'; p++)
- ;
- if (*p == '\n')
- {
- p++;
- foundnl = 1;
- }
- else
- foundnl = 0;
-
- /* If a NL was found and we already have text in the save
- buffer, concatenate them and write */
- while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
- && ctx->obuf_len > 0)
- {
- int orig_olen = ctx->obuf_len;
-
- i = ctx->obuf_size - ctx->obuf_len;
- if (p - in > 0)
- {
- if (i >= p - in)
- {
- memcpy(&(ctx->obuf[ctx->obuf_len]),
- in,p - in);
- ctx->obuf_len += p - in;
- inl -= p - in;
- num += p - in;
- in = p;
- }
- else
- {
- memcpy(&(ctx->obuf[ctx->obuf_len]),
- in,i);
- ctx->obuf_len += i;
- inl -= i;
- in += i;
- num += i;
- }
- }
+{
+ int i, num = 0, foundnl;
+ BIO_LINEBUFFER_CTX *ctx;
+
+ if ((in == NULL) || (inl <= 0))
+ return (0);
+ ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
+ if ((ctx == NULL) || (b->next_bio == NULL))
+ return (0);
+ BIO_clear_retry_flags(b);
+
+ do {
+ const char *p;
+
+ for (p = in; p < in + inl && *p != '\n'; p++) ;
+ if (*p == '\n') {
+ p++;
+ foundnl = 1;
+ } else
+ foundnl = 0;
+
+ /*
+ * If a NL was found and we already have text in the save buffer,
+ * concatenate them and write
+ */
+ while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
+ && ctx->obuf_len > 0) {
+ int orig_olen = ctx->obuf_len;
+
+ i = ctx->obuf_size - ctx->obuf_len;
+ if (p - in > 0) {
+ if (i >= p - in) {
+ memcpy(&(ctx->obuf[ctx->obuf_len]), in, p - in);
+ ctx->obuf_len += p - in;
+ inl -= p - in;
+ num += p - in;
+ in = p;
+ } else {
+ memcpy(&(ctx->obuf[ctx->obuf_len]), in, i);
+ ctx->obuf_len += i;
+ inl -= i;
+ in += i;
+ num += i;
+ }
+ }
#if 0
-BIO_write(b->next_bio, "<*<", 3);
+ BIO_write(b->next_bio, "<*<", 3);
#endif
- i=BIO_write(b->next_bio,
- ctx->obuf, ctx->obuf_len);
- if (i <= 0)
- {
- ctx->obuf_len = orig_olen;
- BIO_copy_next_retry(b);
+ i = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
+ if (i <= 0) {
+ ctx->obuf_len = orig_olen;
+ BIO_copy_next_retry(b);
#if 0
-BIO_write(b->next_bio, ">*>", 3);
+ BIO_write(b->next_bio, ">*>", 3);
#endif
- if (i < 0) return((num > 0)?num:i);
- if (i == 0) return(num);
- }
+ if (i < 0)
+ return ((num > 0) ? num : i);
+ if (i == 0)
+ return (num);
+ }
#if 0
-BIO_write(b->next_bio, ">*>", 3);
+ BIO_write(b->next_bio, ">*>", 3);
#endif
- if (i < ctx->obuf_len)
- memmove(ctx->obuf, ctx->obuf + i,
- ctx->obuf_len - i);
- ctx->obuf_len-=i;
- }
-
- /* Now that the save buffer is emptied, let's write the input
- buffer if a NL was found and there is anything to write. */
- if ((foundnl || p - in > ctx->obuf_size) && p - in > 0)
- {
+ if (i < ctx->obuf_len)
+ memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
+ ctx->obuf_len -= i;
+ }
+
+ /*
+ * Now that the save buffer is emptied, let's write the input buffer
+ * if a NL was found and there is anything to write.
+ */
+ if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) {
#if 0
-BIO_write(b->next_bio, "<*<", 3);
+ BIO_write(b->next_bio, "<*<", 3);
#endif
- i=BIO_write(b->next_bio,in,p - in);
- if (i <= 0)
- {
- BIO_copy_next_retry(b);
+ i = BIO_write(b->next_bio, in, p - in);
+ if (i <= 0) {
+ BIO_copy_next_retry(b);
#if 0
-BIO_write(b->next_bio, ">*>", 3);
+ BIO_write(b->next_bio, ">*>", 3);
#endif
- if (i < 0) return((num > 0)?num:i);
- if (i == 0) return(num);
- }
+ if (i < 0)
+ return ((num > 0) ? num : i);
+ if (i == 0)
+ return (num);
+ }
#if 0
-BIO_write(b->next_bio, ">*>", 3);
+ BIO_write(b->next_bio, ">*>", 3);
#endif
- num+=i;
- in+=i;
- inl-=i;
- }
- }
- while(foundnl && inl > 0);
- /* We've written as much as we can. The rest of the input buffer, if
- any, is text that doesn't and with a NL and therefore needs to be
- saved for the next trip. */
- if (inl > 0)
- {
- memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
- ctx->obuf_len += inl;
- num += inl;
- }
- return num;
- }
+ num += i;
+ in += i;
+ inl -= i;
+ }
+ }
+ while (foundnl && inl > 0);
+ /*
+ * We've written as much as we can. The rest of the input buffer, if
+ * any, is text that doesn't and with a NL and therefore needs to be
+ * saved for the next trip.
+ */
+ if (inl > 0) {
+ memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
+ ctx->obuf_len += inl;
+ num += inl;
+ }
+ return num;
+}
static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- BIO *dbio;
- BIO_LINEBUFFER_CTX *ctx;
- long ret=1;
- char *p;
- int r;
- int obs;
-
- ctx=(BIO_LINEBUFFER_CTX *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- ctx->obuf_len=0;
- if (b->next_bio == NULL) return(0);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_CTRL_INFO:
- ret=(long)ctx->obuf_len;
- break;
- case BIO_CTRL_WPENDING:
- ret=(long)ctx->obuf_len;
- if (ret == 0)
- {
- if (b->next_bio == NULL) return(0);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- }
- break;
- case BIO_C_SET_BUFF_SIZE:
- obs=(int)num;
- p=ctx->obuf;
- if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size))
- {
- p=(char *)OPENSSL_malloc((int)num);
- if (p == NULL)
- goto malloc_error;
- }
- if (ctx->obuf != p)
- {
- if (ctx->obuf_len > obs)
- {
- ctx->obuf_len = obs;
- }
- memcpy(p, ctx->obuf, ctx->obuf_len);
- OPENSSL_free(ctx->obuf);
- ctx->obuf=p;
- ctx->obuf_size=obs;
- }
- break;
- case BIO_C_DO_STATE_MACHINE:
- if (b->next_bio == NULL) return(0);
- BIO_clear_retry_flags(b);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- BIO_copy_next_retry(b);
- break;
-
- case BIO_CTRL_FLUSH:
- if (b->next_bio == NULL) return(0);
- if (ctx->obuf_len <= 0)
- {
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- }
-
- for (;;)
- {
- BIO_clear_retry_flags(b);
- if (ctx->obuf_len > 0)
- {
- r=BIO_write(b->next_bio,
- ctx->obuf, ctx->obuf_len);
+{
+ BIO *dbio;
+ BIO_LINEBUFFER_CTX *ctx;
+ long ret = 1;
+ char *p;
+ int r;
+ int obs;
+
+ ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
+
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ ctx->obuf_len = 0;
+ if (b->next_bio == NULL)
+ return (0);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ case BIO_CTRL_INFO:
+ ret = (long)ctx->obuf_len;
+ break;
+ case BIO_CTRL_WPENDING:
+ ret = (long)ctx->obuf_len;
+ if (ret == 0) {
+ if (b->next_bio == NULL)
+ return (0);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ }
+ break;
+ case BIO_C_SET_BUFF_SIZE:
+ obs = (int)num;
+ p = ctx->obuf;
+ if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
+ p = (char *)OPENSSL_malloc((int)num);
+ if (p == NULL)
+ goto malloc_error;
+ }
+ if (ctx->obuf != p) {
+ if (ctx->obuf_len > obs) {
+ ctx->obuf_len = obs;
+ }
+ memcpy(p, ctx->obuf, ctx->obuf_len);
+ OPENSSL_free(ctx->obuf);
+ ctx->obuf = p;
+ ctx->obuf_size = obs;
+ }
+ break;
+ case BIO_C_DO_STATE_MACHINE:
+ if (b->next_bio == NULL)
+ return (0);
+ BIO_clear_retry_flags(b);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
+ break;
+
+ case BIO_CTRL_FLUSH:
+ if (b->next_bio == NULL)
+ return (0);
+ if (ctx->obuf_len <= 0) {
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+
+ for (;;) {
+ BIO_clear_retry_flags(b);
+ if (ctx->obuf_len > 0) {
+ r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
#if 0
-fprintf(stderr,"FLUSH %3d -> %3d\n",ctx->obuf_len,r);
+ fprintf(stderr, "FLUSH %3d -> %3d\n", ctx->obuf_len, r);
#endif
- BIO_copy_next_retry(b);
- if (r <= 0) return((long)r);
- if (r < ctx->obuf_len)
- memmove(ctx->obuf, ctx->obuf + r,
- ctx->obuf_len - r);
- ctx->obuf_len-=r;
- }
- else
- {
- ctx->obuf_len=0;
- ret=1;
- break;
- }
- }
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_CTRL_DUP:
- dbio=(BIO *)ptr;
- if ( !BIO_set_write_buffer_size(dbio,ctx->obuf_size))
- ret=0;
- break;
- default:
- if (b->next_bio == NULL) return(0);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- }
- return(ret);
-malloc_error:
- BIOerr(BIO_F_LINEBUFFER_CTRL,ERR_R_MALLOC_FAILURE);
- return(0);
- }
+ BIO_copy_next_retry(b);
+ if (r <= 0)
+ return ((long)r);
+ if (r < ctx->obuf_len)
+ memmove(ctx->obuf, ctx->obuf + r, ctx->obuf_len - r);
+ ctx->obuf_len -= r;
+ } else {
+ ctx->obuf_len = 0;
+ ret = 1;
+ break;
+ }
+ }
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ case BIO_CTRL_DUP:
+ dbio = (BIO *)ptr;
+ if (!BIO_set_write_buffer_size(dbio, ctx->obuf_size))
+ ret = 0;
+ break;
+ default:
+ if (b->next_bio == NULL)
+ return (0);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+ return (ret);
+ malloc_error:
+ BIOerr(BIO_F_LINEBUFFER_CTRL, ERR_R_MALLOC_FAILURE);
+ return (0);
+}
static long linebuffer_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 linebuffer_gets(BIO *b, char *buf, int size)
- {
- if (b->next_bio == NULL) return(0);
- return(BIO_gets(b->next_bio,buf,size));
- }
+{
+ if (b->next_bio == NULL)
+ return (0);
+ return (BIO_gets(b->next_bio, buf, size));
+}
static int linebuffer_puts(BIO *b, const char *str)
- {
- return(linebuffer_write(b,str,strlen(str)));
- }
-
+{
+ return (linebuffer_write(b, str, strlen(str)));
+}