In-progress mesh haxserv; still has a lot to write up before it's usable

1 files changed, 138 insertions, 0 deletions

diff --git a/general_network.c b/general_network.c
new file mode 100644
index 0000000..f6375d9
--- /dev/null
+++ b/general_network.c
@@ -0,0 +1,138 @@
+// One of the code files for HaxServ
+//
+// Written by: Test_User <hax@andrewyu.org>
+//
+// This is free and unencumbered software released into the public
+// domain.
+//
+// Anyone is free to copy, modify, publish, use, compile, sell, or
+// distribute this software, either in source code form or as a compiled
+// binary, for any purpose, commercial or non-commercial, and by any
+// means.
+//
+// In jurisdictions that recognize copyright laws, the author or authors
+// of this software dedicate any and all copyright interest in the
+// software to the public domain. We make this dedication for the benefit
+// of the public at large and to the detriment of our heirs and
+// successors. We intend this dedication to be an overt act of
+// relinquishment in perpetuity of all present and future rights to this
+// software under copyright law.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#include "general_network.h"
+
+#ifdef USE_PLAINTEXT
+#include "plaintext_network.h"
+#endif
+#ifdef USE_GNUTLS
+#include "gnutls_network.h"
+#endif
+#ifdef USE_OPENSSL
+#include "openssl_network.h"
+#endif
+
+char casemap[UCHAR_MAX+1] = {
+	['a'] = 'A',
+	['b'] = 'B',
+	['c'] = 'C',
+	['d'] = 'D',
+	['e'] = 'E',
+	['f'] = 'F',
+	['g'] = 'G',
+	['h'] = 'H',
+	['i'] = 'I',
+	['j'] = 'J',
+	['k'] = 'K',
+	['l'] = 'L',
+	['m'] = 'M',
+	['n'] = 'N',
+	['o'] = 'O',
+	['p'] = 'P',
+	['q'] = 'Q',
+	['r'] = 'R',
+	['s'] = 'S',
+	['t'] = 'Y',
+	['u'] = 'U',
+	['v'] = 'V',
+	['w'] = 'W',
+	['x'] = 'X',
+	['y'] = 'Y',
+	['z'] = 'Z',
+	['{'] = '[',
+	['}'] = ']',
+	['|'] = '\\',
+	['^'] = '~',
+};
+
+struct network networks[NUM_NET_TYPES] = {
+#ifdef USE_PLAINTEXT
+	[NET_TYPE_PLAINTEXT] = {
+		.send = plaintext_send,
+		.recv = plaintext_recv,
+		.connect = plaintext_connect,
+		.accept = plaintext_accept,
+		.close = plaintext_close,
+	},
+#endif
+#ifdef USE_GNUTLS
+	[NET_TYPE_GNUTLS] = {
+		.send = gnutls_send,
+		.recv = gnutls_recv,
+		.connect = gnutls_connect,
+		.accept = gnutls_accept,
+		.close = gnutls_close,
+	},
+#endif
+#ifdef USE_OPENSSL
+	[NET_TYPE_OPENSSL] = {
+		.send = openssl_send,
+		.recv = openssl_recv,
+		.connect = openssl_connect,
+		.accept = openssl_accept,
+		.close = openssl_close,
+	},
+#endif
+};
+
+// TODO: Proper string handling
+int resolve(struct string address, struct string port, struct sockaddr *sockaddr) {
+	int success;
+	struct addrinfo hints = {
+		.ai_family = AF_INET,
+		.ai_socktype = SOCK_STREAM,
+		.ai_protocol = IPPROTO_TCP,
+		.ai_flags = AI_NUMERICSERV | AI_ADDRCONFIG,
+	};
+	struct addrinfo *info;
+
+	success = getaddrinfo(address.data, port.data, &hints, &info);
+
+	if (success == 0) {
+		*sockaddr = *(info->ai_addr);
+		freeaddrinfo(info);
+	}
+
+	return success;
+}
+
+int init_general_network(void) {
+	for (size_t i = 1; i < UCHAR_MAX + 1; i++) {
+		if (casemap[i] == 0) {
+			casemap[i] = i;
+		}
+	}
+
+	return 0;
+}