#include <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/buffer.h>
+#include <openssl/bio.h>
#include <openssl/err.h>
-#include <openssl/crypto.h>
static LHASH *error_hash=NULL;
static LHASH *thread_hash=NULL;
-static unsigned long err_hash(ERR_STRING_DATA *a);
-static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b);
-static unsigned long pid_hash(ERR_STATE *pid);
-static int pid_cmp(ERR_STATE *a,ERR_STATE *pid);
+/* static unsigned long err_hash(ERR_STRING_DATA *a); */
+static unsigned long err_hash(const void *a_void);
+/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */
+static int err_cmp(const void *a_void, const void *b_void);
+/* static unsigned long pid_hash(ERR_STATE *pid); */
+static unsigned long pid_hash(const void *pid_void);
+/* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */
+static int pid_cmp(const void *a_void,const void *pid_void);
static unsigned long get_error_values(int inc,const char **file,int *line,
const char **data,int *flags);
+
static void ERR_STATE_free(ERR_STATE *s);
-#ifndef NO_ERR
+#ifndef OPENSSL_NO_ERR
static ERR_STRING_DATA ERR_str_libraries[]=
{
{ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"},
{ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"},
{ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"},
{ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"},
-{ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"},
{ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"},
{ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"},
-{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"},
+{ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"},
{ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"},
+{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"},
{ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"},
-{ERR_PACK(ERR_LIB_METH,0,0) ,"X509 lookup 'method' routines"},
+{ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"},
+{ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"},
{ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"},
-{ERR_PACK(ERR_LIB_RSAREF,0,0) ,"RSAref routines"},
-{ERR_PACK(ERR_LIB_PROXY,0,0) ,"Proxy routines"},
{ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"},
{ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"},
{ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"},
{ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"},
{ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"},
{ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"},
+{ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"},
+{ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"},
{0,NULL},
};
{ERR_PACK(0,SYS_F_BIND,0), "bind"},
{ERR_PACK(0,SYS_F_LISTEN,0), "listen"},
{ERR_PACK(0,SYS_F_ACCEPT,0), "accept"},
-#ifdef WINDOWS
+#ifdef OPENSSL_SYS_WINDOWS
{ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"},
#endif
{ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"},
static ERR_STRING_DATA ERR_str_reasons[]=
{
-{ERR_R_FATAL ,"fatal"},
{ERR_R_SYS_LIB ,"system lib"},
{ERR_R_BN_LIB ,"BN lib"},
{ERR_R_RSA_LIB ,"RSA lib"},
{ERR_R_DH_LIB ,"DH lib"},
{ERR_R_EVP_LIB ,"EVP lib"},
{ERR_R_BUF_LIB ,"BUF lib"},
-{ERR_R_BIO_LIB ,"BIO lib"},
{ERR_R_OBJ_LIB ,"OBJ lib"},
{ERR_R_PEM_LIB ,"PEM lib"},
+{ERR_R_DSA_LIB ,"DSA lib"},
{ERR_R_X509_LIB ,"X509 lib"},
-{ERR_R_METH_LIB ,"METH lib"},
{ERR_R_ASN1_LIB ,"ASN1 lib"},
{ERR_R_CONF_LIB ,"CONF lib"},
+{ERR_R_CRYPTO_LIB ,"CRYPTO lib"},
+{ERR_R_EC_LIB ,"EC lib"},
{ERR_R_SSL_LIB ,"SSL lib"},
-{ERR_R_PROXY_LIB ,"PROXY lib"},
{ERR_R_BIO_LIB ,"BIO lib"},
{ERR_R_PKCS7_LIB ,"PKCS7 lib"},
+{ERR_R_X509V3_LIB ,"X509V3 lib"},
{ERR_R_PKCS12_LIB ,"PKCS12 lib"},
-{ERR_R_MALLOC_FAILURE ,"Malloc failure"},
-{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"},
-{ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"},
+{ERR_R_RAND_LIB ,"RAND lib"},
+{ERR_R_DSO_LIB ,"DSO lib"},
+{ERR_R_ENGINE_LIB ,"ENGINE lib"},
+{ERR_R_OCSP_LIB ,"OCSP lib"},
+
{ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"},
{ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"},
{ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"},
{ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"},
{ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"},
{ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"},
-{ERR_R_DSO_LIB ,"DSO lib"},
+
+{ERR_R_FATAL ,"fatal"},
+{ERR_R_MALLOC_FAILURE ,"malloc failure"},
+{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"},
+{ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"},
+{ERR_R_INTERNAL_ERROR ,"internal error"},
{0,NULL},
};
static void build_SYS_str_reasons()
{
- /* Malloc cannot be used here, use static storage instead */
+ /* OPENSSL_malloc cannot be used here, use static storage instead */
static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];
int i;
if (((p)->err_data[i] != NULL) && \
(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
{ \
- Free((p)->err_data[i]); \
+ OPENSSL_free((p)->err_data[i]); \
(p)->err_data[i]=NULL; \
} \
(p)->err_data_flags[i]=0;
{
err_clear_data(s,i);
}
- Free(s);
+ OPENSSL_free(s);
}
void ERR_load_ERR_strings(void)
if (init)
{
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (init == 0)
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- return;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
-#ifndef NO_ERR
+#ifndef OPENSSL_NO_ERR
ERR_load_strings(0,ERR_str_libraries);
ERR_load_strings(0,ERR_str_reasons);
ERR_load_strings(ERR_LIB_SYS,ERR_str_functs);
if (error_hash == NULL)
{
CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
- error_hash=lh_new(err_hash,err_cmp);
+ error_hash=lh_new(err_hash, err_cmp);
if (error_hash == NULL)
{
CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
void ERR_clear_error(void)
{
+ int i;
ERR_STATE *es;
es=ERR_get_state();
-#if 0
- /* hmm... is this needed */
for (i=0; i<ERR_NUM_ERRORS; i++)
{
es->err_buffer[i]=0;
+ err_clear_data(es,i);
es->err_file[i]=NULL;
es->err_line[i]= -1;
- err_clear_data(es,i);
}
-#endif
es->top=es->bottom=0;
}
}
}
- if (data != NULL)
+ if (data == NULL)
+ {
+ if (inc)
+ {
+ err_clear_data(es, i);
+ }
+ }
+ else
{
if (es->err_data[i] == NULL)
{
return(ret);
}
-/* BAD for multi-threaded, uses a local buffer if ret == NULL */
-char *ERR_error_string(unsigned long e, char *ret)
+void ERR_error_string_n(unsigned long e, char *buf, size_t len)
{
- static char buf[256];
+ char lsbuf[64], fsbuf[64], rsbuf[64];
const char *ls,*fs,*rs;
unsigned long l,f,r;
- int i;
l=ERR_GET_LIB(e);
f=ERR_GET_FUNC(e);
fs=ERR_func_error_string(e);
rs=ERR_reason_error_string(e);
- if (ret == NULL) ret=buf;
-
- sprintf(&(ret[0]),"error:%08lX:",e);
- i=strlen(ret);
- if (ls == NULL)
- sprintf(&(ret[i]),":lib(%lu) ",l);
- else sprintf(&(ret[i]),"%s",ls);
- i=strlen(ret);
+ if (ls == NULL)
+ BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l);
if (fs == NULL)
- sprintf(&(ret[i]),":func(%lu) ",f);
- else sprintf(&(ret[i]),":%s",fs);
- i=strlen(ret);
+ BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f);
if (rs == NULL)
- sprintf(&(ret[i]),":reason(%lu)",r);
- else sprintf(&(ret[i]),":%s",rs);
+ BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r);
+
+ BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf,
+ fs?fs:fsbuf, rs?rs:rsbuf);
+ if (strlen(buf) == len-1)
+ {
+ /* output may be truncated; make sure we always have 5
+ * colon-separated fields, i.e. 4 colons ... */
+#define NUM_COLONS 4
+ if (len > NUM_COLONS) /* ... if possible */
+ {
+ int i;
+ char *s = buf;
+
+ for (i = 0; i < NUM_COLONS; i++)
+ {
+ char *colon = strchr(s, ':');
+ if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i)
+ {
+ /* set colon no. i at last possible position
+ * (buf[len-1] is the terminating 0)*/
+ colon = &buf[len-1] - NUM_COLONS + i;
+ *colon = ':';
+ }
+ s = colon + 1;
+ }
+ }
+ }
+ }
+
+/* BAD for multi-threading: uses a local buffer if ret == NULL */
+/* ERR_error_string_n should be used instead for ret != NULL
+ * as ERR_error_string cannot know how large the buffer is */
+char *ERR_error_string(unsigned long e, char *ret)
+ {
+ static char buf[256];
+
+ if (ret == NULL) ret=buf;
+ ERR_error_string_n(e, ret, 256);
return(ret);
}
return(error_hash);
}
+/* not thread-safe */
LHASH *ERR_get_err_state_table(void)
{
return(thread_hash);
return((p == NULL)?NULL:p->string);
}
-static unsigned long err_hash(ERR_STRING_DATA *a)
+/* static unsigned long err_hash(ERR_STRING_DATA *a) */
+static unsigned long err_hash(const void *a_void)
{
unsigned long ret,l;
- l=a->error;
+ l=((ERR_STRING_DATA *)a_void)->error;
ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l);
return(ret^ret%19*13);
}
-static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b)
+/* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */
+static int err_cmp(const void *a_void, const void *b_void)
{
- return((int)(a->error-b->error));
+ return((int)(((ERR_STRING_DATA *)a_void)->error -
+ ((ERR_STRING_DATA *)b_void)->error));
}
-static unsigned long pid_hash(ERR_STATE *a)
+/* static unsigned long pid_hash(ERR_STATE *a) */
+static unsigned long pid_hash(const void *a_void)
{
- return(a->pid*13);
+ return(((ERR_STATE *)a_void)->pid*13);
}
-static int pid_cmp(ERR_STATE *a, ERR_STATE *b)
+/* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */
+static int pid_cmp(const void *a_void, const void *b_void)
{
- return((int)((long)a->pid - (long)b->pid));
+ return((int)((long)((ERR_STATE *)a_void)->pid -
+ (long)((ERR_STATE *)b_void)->pid));
}
void ERR_remove_state(unsigned long pid)
{
- ERR_STATE *p,tmp;
+ ERR_STATE *p = NULL,tmp;
if (thread_hash == NULL)
return;
pid=(unsigned long)CRYPTO_thread_id();
tmp.pid=pid;
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- p=(ERR_STATE *)lh_delete(thread_hash,&tmp);
+ if (thread_hash)
+ {
+ p=(ERR_STATE *)lh_delete(thread_hash,&tmp);
+ if (lh_num_items(thread_hash) == 0)
+ {
+ /* make sure we don't leak memory */
+ lh_free(thread_hash);
+ thread_hash = NULL;
+ }
+ }
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
if (p != NULL) ERR_STATE_free(p);
ERR_STATE *ERR_get_state(void)
{
static ERR_STATE fallback;
- ERR_STATE *ret=NULL,tmp,*tmpp;
+ ERR_STATE *ret=NULL,tmp,*tmpp=NULL;
+ int thread_state_exists;
int i;
unsigned long pid;
pid=(unsigned long)CRYPTO_thread_id();
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
- if (thread_hash == NULL)
- {
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (thread_hash == NULL)
- {
- MemCheck_off();
- thread_hash=lh_new(pid_hash,pid_cmp);
- MemCheck_on();
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- if (thread_hash == NULL) return(&fallback);
- }
- else
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- }
- else
+ if (thread_hash != NULL)
{
tmp.pid=pid;
ret=(ERR_STATE *)lh_retrieve(thread_hash,&tmp);
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
}
+ CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
/* ret == the error state, if NULL, make a new one */
if (ret == NULL)
{
- ret=(ERR_STATE *)Malloc(sizeof(ERR_STATE));
+ ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
if (ret == NULL) return(&fallback);
ret->pid=pid;
ret->top=0;
ret->err_data[i]=NULL;
ret->err_data_flags[i]=0;
}
+
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- tmpp=(ERR_STATE *)lh_insert(thread_hash,ret);
+
+ /* no entry yet in thread_hash for current thread -
+ * thus, it may have changed since we last looked at it */
+ if (thread_hash == NULL)
+ thread_hash = lh_new(pid_hash, pid_cmp);
+ if (thread_hash == NULL)
+ thread_state_exists = 0; /* allocation error */
+ else
+ {
+ tmpp=(ERR_STATE *)lh_insert(thread_hash,ret);
+ thread_state_exists = 1;
+ }
+
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+ if (!thread_state_exists)
+ {
+ ERR_STATE_free(ret); /* could not insert it */
+ return(&fallback);
+ }
+
if (tmpp != NULL) /* old entry - should not happen */
{
ERR_STATE_free(tmpp);
if (i == 0)
i=ERR_NUM_ERRORS-1;
+ err_clear_data(es,i);
es->err_data[i]=data;
- es->err_data_flags[es->top]=flags;
+ es->err_data_flags[i]=flags;
}
void ERR_add_error_data(int num, ...)
int i,n,s;
char *str,*p,*a;
- s=64;
- str=Malloc(s+1);
+ s=80;
+ str=OPENSSL_malloc(s+1);
if (str == NULL) return;
str[0]='\0';
if (n > s)
{
s=n+20;
- p=Realloc(str,s+1);
+ p=OPENSSL_realloc(str,s+1);
if (p == NULL)
{
- Free(str);
+ OPENSSL_free(str);
return;
}
else