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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/err/err.c
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Diffstat (limited to 'openssl/crypto/err/err.c')
-rw-r--r--openssl/crypto/err/err.c416
1 files changed, 416 insertions, 0 deletions
diff --git a/openssl/crypto/err/err.c b/openssl/crypto/err/err.c
new file mode 100644
index 000000000..292404a2f
--- /dev/null
+++ b/openssl/crypto/err/err.c
@@ -0,0 +1,416 @@
+/* crypto/err/err.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:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * 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
+ * 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
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "cryptlib.h"
+#include <openssl/lhash.h>
+#include <openssl/crypto.h>
+#include <openssl/buffer.h>
+#include <openssl/bio.h>
+#include <openssl/err.h>
+
+static unsigned long get_error_values(int inc,int top,
+ const char **file,int *line,
+ const char **data,int *flags);
+
+#define err_clear_data(p,i) \
+ do { \
+ if (((p)->err_data[i] != NULL) && \
+ (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
+ { \
+ OPENSSL_free((p)->err_data[i]); \
+ (p)->err_data[i]=NULL; \
+ } \
+ (p)->err_data_flags[i]=0; \
+ } while(0)
+
+#define err_clear(p,i) \
+ do { \
+ (p)->err_flags[i]=0; \
+ (p)->err_buffer[i]=0; \
+ err_clear_data(p,i); \
+ (p)->err_file[i]=NULL; \
+ (p)->err_line[i]= -1; \
+ } while(0)
+
+void ERR_put_error(int lib, int func, int reason, const char *file,
+ int line)
+ {
+ ERR_STATE *es;
+
+#ifdef _OSD_POSIX
+ /* In the BS2000-OSD POSIX subsystem, the compiler generates
+ * path names in the form "*POSIX(/etc/passwd)".
+ * This dirty hack strips them to something sensible.
+ * @@@ We shouldn't modify a const string, though.
+ */
+ if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {
+ char *end;
+
+ /* Skip the "*POSIX(" prefix */
+ file += sizeof("*POSIX(")-1;
+ end = &file[strlen(file)-1];
+ if (*end == ')')
+ *end = '\0';
+ /* Optional: use the basename of the path only. */
+ if ((end = strrchr(file, '/')) != NULL)
+ file = &end[1];
+ }
+#endif
+ es=ERR_get_state();
+
+ es->top=(es->top+1)%ERR_NUM_ERRORS;
+ if (es->top == es->bottom)
+ es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
+ es->err_flags[es->top]=0;
+ es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
+ es->err_file[es->top]=file;
+ es->err_line[es->top]=line;
+ err_clear_data(es,es->top);
+ }
+
+void ERR_clear_error(void)
+ {
+ int i;
+ ERR_STATE *es;
+
+ es=ERR_get_state();
+
+ for (i=0; i<ERR_NUM_ERRORS; i++)
+ {
+ err_clear(es,i);
+ }
+ es->top=es->bottom=0;
+ }
+
+
+unsigned long ERR_get_error(void)
+ { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_get_error_line(const char **file,
+ int *line)
+ { return(get_error_values(1,0,file,line,NULL,NULL)); }
+
+unsigned long ERR_get_error_line_data(const char **file, int *line,
+ const char **data, int *flags)
+ { return(get_error_values(1,0,file,line,data,flags)); }
+
+
+unsigned long ERR_peek_error(void)
+ { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_peek_error_line(const char **file, int *line)
+ { return(get_error_values(0,0,file,line,NULL,NULL)); }
+
+unsigned long ERR_peek_error_line_data(const char **file, int *line,
+ const char **data, int *flags)
+ { return(get_error_values(0,0,file,line,data,flags)); }
+
+
+unsigned long ERR_peek_last_error(void)
+ { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_peek_last_error_line(const char **file, int *line)
+ { return(get_error_values(0,1,file,line,NULL,NULL)); }
+
+unsigned long ERR_peek_last_error_line_data(const char **file, int *line,
+ const char **data, int *flags)
+ { return(get_error_values(0,1,file,line,data,flags)); }
+
+
+static unsigned long get_error_values(int inc, int top, const char **file, int *line,
+ const char **data, int *flags)
+ {
+ int i=0;
+ ERR_STATE *es;
+ unsigned long ret;
+
+ es=ERR_get_state();
+
+ if (inc && top)
+ {
+ if (file) *file = "";
+ if (line) *line = 0;
+ if (data) *data = "";
+ if (flags) *flags = 0;
+
+ return ERR_R_INTERNAL_ERROR;
+ }
+
+ if (es->bottom == es->top) return 0;
+ if (top)
+ i=es->top; /* last error */
+ else
+ i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */
+
+ ret=es->err_buffer[i];
+ if (inc)
+ {
+ es->bottom=i;
+ es->err_buffer[i]=0;
+ }
+
+ if ((file != NULL) && (line != NULL))
+ {
+ if (es->err_file[i] == NULL)
+ {
+ *file="NA";
+ if (line != NULL) *line=0;
+ }
+ else
+ {
+ *file=es->err_file[i];
+ if (line != NULL) *line=es->err_line[i];
+ }
+ }
+
+ if (data == NULL)
+ {
+ if (inc)
+ {
+ err_clear_data(es, i);
+ }
+ }
+ else
+ {
+ if (es->err_data[i] == NULL)
+ {
+ *data="";
+ if (flags != NULL) *flags=0;
+ }
+ else
+ {
+ *data=es->err_data[i];
+ if (flags != NULL) *flags=es->err_data_flags[i];
+ }
+ }
+ return ret;
+ }
+
+void ERR_set_error_data(char *data, int flags)
+ {
+ ERR_STATE *es;
+ int i;
+
+ es=ERR_get_state();
+
+ i=es->top;
+ if (i == 0)
+ i=ERR_NUM_ERRORS-1;
+
+ err_clear_data(es,i);
+ es->err_data[i]=data;
+ es->err_data_flags[i]=flags;
+ }
+
+void ERR_add_error_data(int num, ...)
+ {
+ va_list args;
+ int i,n,s;
+ char *str,*p,*a;
+
+ s=80;
+ str=OPENSSL_malloc(s+1);
+ if (str == NULL) return;
+ str[0]='\0';
+
+ va_start(args, num);
+ n=0;
+ for (i=0; i<num; i++)
+ {
+ a=va_arg(args, char*);
+ /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
+ if (a != NULL)
+ {
+ n+=strlen(a);
+ if (n > s)
+ {
+ s=n+20;
+ p=OPENSSL_realloc(str,s+1);
+ if (p == NULL)
+ {
+ OPENSSL_free(str);
+ goto err;
+ }
+ else
+ str=p;
+ }
+ BUF_strlcat(str,a,(size_t)s+1);
+ }
+ }
+ ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);
+
+err:
+ va_end(args);
+ }
+
+int ERR_set_mark(void)
+ {
+ ERR_STATE *es;
+
+ es=ERR_get_state();
+
+ if (es->bottom == es->top) return 0;
+ es->err_flags[es->top]|=ERR_FLAG_MARK;
+ return 1;
+ }
+
+int ERR_pop_to_mark(void)
+ {
+ ERR_STATE *es;
+
+ es=ERR_get_state();
+
+ while(es->bottom != es->top
+ && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0)
+ {
+ err_clear(es,es->top);
+ es->top-=1;
+ if (es->top == -1) es->top=ERR_NUM_ERRORS-1;
+ }
+
+ if (es->bottom == es->top) return 0;
+ es->err_flags[es->top]&=~ERR_FLAG_MARK;
+ return 1;
+ }
+
+#ifdef OPENSSL_FIPS
+
+static ERR_STATE *fget_state(void)
+ {
+ static ERR_STATE fstate;
+ return &fstate;
+ }
+
+ERR_STATE *(*get_state_func)(void) = fget_state;
+void (*remove_state_func)(unsigned long pid);
+
+ERR_STATE *ERR_get_state(void)
+ {
+ return get_state_func();
+ }
+
+void int_ERR_set_state_func(ERR_STATE *(*get_func)(void),
+ void (*remove_func)(unsigned long pid))
+ {
+ get_state_func = get_func;
+ remove_state_func = remove_func;
+ }
+
+void ERR_remove_state(unsigned long pid)
+ {
+ if (remove_state_func)
+ remove_state_func(pid);
+ }
+
+#endif