Added CyaSSL_get_ciphers() and necessary functions

cyassl/internal.h

@@ -156,6 +156,10 @@ typedef byte word24[3];
 /* used by ssl.c and cyassl_int.c */
 void c32to24(word32 in, word24 out);
 
+/* used by ssl.c */
+const char* const* GetCipherNames(void);
+int GetCipherNamesSize(void);
+
 /* Define or comment out the cipher suites you'd like to be compiled in
    make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
 
@@ -802,7 +806,6 @@ enum Misc {
     COPY               =   1   /* should we copy static buffer for write */
 };
 
-
 #ifdef SESSION_INDEX
 /* Shift values for making a session index */
 #define SESSIDX_ROW_SHIFT 4

cyassl/ssl.h

@@ -233,6 +233,7 @@ CYASSL_API int CyaSSL_PemCertToDer(const char*, unsigned char*, int);
 CYASSL_API CYASSL_CTX* CyaSSL_CTX_new(CYASSL_METHOD*);
 CYASSL_API CYASSL* CyaSSL_new(CYASSL_CTX*);
 CYASSL_API int  CyaSSL_set_fd (CYASSL*, int);
+CYASSL_API int  CyaSSL_get_ciphers(char*, int);
 CYASSL_API int  CyaSSL_get_fd(const CYASSL*);
 CYASSL_API void CyaSSL_set_using_nonblock(CYASSL*, int);
 CYASSL_API int  CyaSSL_get_using_nonblock(CYASSL*);

src/internal.c

@@ -7482,7 +7482,8 @@ void SetErrorString(int error, char* str)
 }
 
 
-/* be sure to add to cipher_name_idx too !!!! */
+/* be sure to add to cipher_names in 
+   internal.h and cipher_name_idx too !!!! */
 static const char* const cipher_names[] = 
 {
 #ifdef BUILD_SSL_RSA_WITH_RC4_128_SHA
@@ -7868,7 +7869,6 @@ static const char* const cipher_names[] =
 };
 
 
-
 /* cipher suite number that matches above name table */
 static int cipher_name_idx[] =
 {
@@ -8255,6 +8255,17 @@ static int cipher_name_idx[] =
 };
 
 
+/* returns the cipher_names array */
+const char* const* GetCipherNames(void)
+{
+    return cipher_names;
+}
+/* returns the size of the cipher_names array */
+int GetCipherNamesSize(void)
+{
+    return sizeof(cipher_names) / sizeof(char*);
+}
+
 /* return true if set, else false */
 /* only supports full name from cipher_name[] delimited by : */
 int SetCipherList(Suites* s, const char* list)

src/ssl.c

@@ -29,7 +29,6 @@
     #include <errno.h>
 #endif
 
-
 #include <cyassl/ssl.h>
 #include <cyassl/internal.h>
 #include <cyassl/error-ssl.h>
@@ -225,7 +224,37 @@ int CyaSSL_set_fd(CYASSL* ssl, int fd)
     CYASSL_LEAVE("SSL_set_fd", SSL_SUCCESS);
     return SSL_SUCCESS;
 }
+int CyaSSL_get_ciphers(char* buf, int len)
+{
+    const char* const* ciphers = GetCipherNames();
+    int totalInc    = 0;
+    int step        = 0;
+    char delim      = ':';
+    char* tmp       = buf;
+    int size        = GetCipherNamesSize();
+    int i;
+    /* Loop the array, add each member to the
+       buffer delimitted by a :
+    */
+    for (i = 0; i < size; i++)
+    {
+        step = strlen(ciphers[i]) + strlen(&delim)-2;
+        totalInc += step;
 
+        /* Check to make sure buf is large enough and will not overflow */
+        if(totalInc <= len) {
+            memcpy(tmp, ciphers[i], strlen(ciphers[i]));
+            tmp += strlen(ciphers[i]);
+            if(i < size - 1) {
+                memcpy(tmp, &delim, strlen(&delim)-2);
+                tmp += strlen(&delim)-2;
+            }
+        }
+        else
+            return BUFFER_E;
+    }
+    return SSL_SUCCESS;
+}
 
 int CyaSSL_get_fd(const CYASSL* ssl)
 {