Mercurial > hg > quicktun
diff src/run.debian.c @ 0:65c01f57bdce V2.1.2
Initial commit
author | ivo <ivo@UFO-Net.nl> |
---|---|
date | Thu, 07 Oct 2010 15:53:01 +0200 |
parents | |
children | 1e4ba8d8ffc2 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/run.debian.c Thu Oct 07 15:53:01 2010 +0200 @@ -0,0 +1,73 @@ +/* Copyright 2010 Ivo Smits <Ivo@UCIS.nl>. 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. + + THIS SOFTWARE IS PROVIDED ``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 AUTHORS 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 views and conclusions contained in the software and documentation are those of the + authors and should not be interpreted as representing official policies, either expressed + or implied, of Ivo Smits.*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdlib.h> +#include <dlfcn.h> + +char* getenvdeb(const char* name) { + char tmp[1024] = "IF_QT_"; + if (strcmp(name, "INTERFACE") == 0) return getenv("IFACE"); + if (strlen(tmp) + strlen(name) >= 1024) { + fprintf(stderr, "Error: prefixed environment variable name is too long"); + return NULL; + } + strcat(tmp, name); + return getenv(tmp); +} + +int main() { + /* Header */ + printf("UCIS QuickTun (c) 2010 Ivo Smits <Ivo@UCIS.nl>\n"); + printf("More information: http://wiki.qontrol.nl/QuickTun\n"); + + char* lib = NULL; + if (getenvdeb("PRIVATE_KEY")) { + lib = "libquicltun.nacl0"; + } else { + lib = "libquicltun.raw"; + } + + void* dl = dlopen(lib, RTLD_LAZY); + if (!dl) { + fprintf(stderr, "Error: library %s not found: %s\n", lib, dlerror()); + return -1; + } + void** getconfig = dlsym(dl, "getconf"); + if (!dl) { + fprintf(stderr, "Error: symbol getconf not found: %s\n", dlerror()); + return -1; + } + void* tunmain = dlsym(dl, "tunmain"); + if (!dl) { + fprintf(stderr, "Error: symbol tunmain not found: %s\n", dlerror()); + return -1; + } + + *getconfig = (void*)getenvdeb; + ((void (*)())tunmain)(); +} \ No newline at end of file