]> git.ipfire.org Git - thirdparty/freeswitch.git/commitdiff
FS-9952: Add base64 code (from verto)
authorcolm <colm@freeswitch1>
Thu, 26 Jan 2017 17:45:40 +0000 (12:45 -0500)
committerMike Jerris <mike@jerris.com>
Wed, 22 Mar 2017 21:42:49 +0000 (17:42 -0400)
libs/libks/Makefile.am
libs/libks/src/include/ks_base64.h [new file with mode: 0644]
libs/libks/src/ks_base64.c [new file with mode: 0644]

index 8007ce6feb4c6bbfcc2fa52d35022cd0f98ccbf9..57538f236b684a739e708656c0632ed25e9beb69 100644 (file)
@@ -10,7 +10,7 @@ lib_LTLIBRARIES         = libks.la
 libks_la_SOURCES  = src/ks.c src/ks_string.c src/ks_json.c src/cJSON.c src/cJSON_Utils.c src/ks_thread.c src/ks_thread_pool.c src/ks_mutex.c src/ks_config.c
 libks_la_SOURCES += src/ks_log.c src/ks_socket.c src/ks_buffer.c src/ks_pool.c src/simclist.c
 libks_la_SOURCES += src/ks_time.c src/ks_printf.c src/ks_hash.c src/ks_q.c src/ks_dso.c # src/ks_dht.c
-libks_la_SOURCES += src/ks_ssl.c src/kws.c src/ks_rng.c src/ks_rpcmessage.c
+libks_la_SOURCES += src/ks_ssl.c src/kws.c src/ks_rng.c src/ks_rpcmessage.c src/ks_base64.c
 libks_la_SOURCES += src/utp/utp_api.cpp src/utp/utp_callbacks.cpp src/utp/utp_hash.cpp src/utp/utp_internal.cpp
 libks_la_SOURCES += src/utp/utp_packedsockaddr.cpp src/utp/utp_utils.cpp src/ks_bencode.c
 libks_la_SOURCES += src/dht/ks_dht.c src/dht/ks_dht_datagram.c src/dht/ks_dht_endpoint.c src/dht/ks_dht_message.c src/dht/ks_dht_transaction.c
@@ -30,7 +30,7 @@ library_include_HEADERS += src/include/ks_thread_pool.h src/include/ks_cJSON.h s
 library_include_HEADERS += src/include/ks_pool.h src/include/simclist.h src/include/ks_time.h src/include/ks_q.h src/include/ks_socket.h
 library_include_HEADERS += src/include/ks_dso.h src/include/ks_platform.h src/include/ks_types.h # src/include/ks_rng.h src/include/ks_dht.h
 library_include_HEADERS += src/include/ks_printf.h src/include/ks_hash.h src/include/ks_ssl.h src/include/kws.h 
-library_include_HEADERS += src/include/ks_rpcmessage.h
+library_include_HEADERS += src/include/ks_rpcmessage.h src/include/ks_base64.h
 library_include_HEADERS += src/utp/utp_internal.h src/utp/utp.h src/utp/utp_types.h src/utp/utp_callbacks.h src/utp/utp_templates.h
 library_include_HEADERS += src/utp/utp_hash.h src/utp/utp_packedsockaddr.h src/utp/utp_utils.h src/include/ks_utp.h src/include/ks_acl.h
 
diff --git a/libs/libks/src/include/ks_base64.h b/libs/libks/src/include/ks_base64.h
new file mode 100644 (file)
index 0000000..3c5eb81
--- /dev/null
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017 FreeSWITCH Solutions LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * * Neither the name of the original author; nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT OWNER
+ * 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.
+ */
+
+
+#ifndef _KS_BASE64_H__
+#define _KS_BASE64_H__
+
+#include <ks.h>
+
+KS_DECLARE(ks_status_t) ks_b64_encode(unsigned char *in, ks_size_t ilen, unsigned char *out, ks_size_t olen);
+KS_DECLARE(ks_size_t) ks_b64_decode(char *in, char *out, ks_size_t olen);
+
+#endif
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
+ */
diff --git a/libs/libks/src/ks_base64.c b/libs/libks/src/ks_base64.c
new file mode 100644 (file)
index 0000000..6e528f0
--- /dev/null
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2017 FreeSWITCH Solutions LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * * Neither the name of the original author; nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT OWNER
+ * 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.
+ */
+
+
+#include <ks_base64.h>
+
+
+static const char ks_b64_table[65] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+
+KS_DECLARE(ks_status_t) ks_b64_encode(unsigned char *in, ks_size_t ilen, unsigned char *out, ks_size_t olen)
+{
+       int y = 0, bytes = 0;
+       size_t x = 0;
+       unsigned int b = 0, l = 0;
+
+       for (x = 0; x < ilen; x++) {
+               b = (b << 8) + in[x];
+               l += 8;
+
+               while (l >= 6) {
+                       out[bytes++] = ks_b64_table[(b >> (l -= 6)) % 64];
+                       if (bytes >= (int)olen - 1) {
+                               goto end;
+                       }
+                       if (++y != 72) {
+                               continue;
+                       }
+                       /* out[bytes++] = '\n'; */
+                       y = 0;
+               }
+       }
+
+       if (l > 0) {
+               out[bytes++] = ks_b64_table[((b % 16) << (6 - l)) % 64];
+       }
+       if (l != 0) {
+               while (l < 6 && bytes < (int)olen - 1) {
+                       out[bytes++] = '=', l += 2;
+               }
+       }
+
+  end:
+
+       out[bytes] = '\0';
+
+       return KS_STATUS_SUCCESS;
+}
+
+KS_DECLARE(ks_size_t) ks_b64_decode(char *in, char *out, ks_size_t olen)
+{
+
+       char l64[256];
+       int b = 0, c, l = 0, i;
+       char *ip, *op = out;
+       size_t ol = 0;
+
+       for (i = 0; i < 256; i++) {
+               l64[i] = -1;
+       }
+
+       for (i = 0; i < 64; i++) {
+               l64[(int) ks_b64_table[i]] = (char) i;
+       }
+
+       for (ip = in; ip && *ip; ip++) {
+               c = l64[(int) *ip];
+               if (c == -1) {
+                       continue;
+               }
+
+               b = (b << 6) + c;
+               l += 6;
+
+               while (l >= 8) {
+                       op[ol++] = (char) ((b >> (l -= 8)) % 256);
+                       if (ol >= olen - 2) {
+                               goto end;
+                       }
+               }
+       }
+
+  end:
+
+       op[ol++] = '\0';
+
+       return ol;
+}
+
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
+ */