2017-04-26 13:27:46 +00:00
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/* Copyright (c) 2017 djcj <djcj@gmx.de>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#ifndef LIBC6_ARCH
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# if (__WORDSIZE == 64)
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# define LIBC6_ARCH "libc6,x86-64"
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# else
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# define LIBC6_ARCH "libc6"
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# endif
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#endif
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#define LINE_SIZE 255
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#define SCANLIB(lib,sym,regex) \
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sprintf(command, format, lib, regex); \
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f = popen(command, "r"); \
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ret = fscanf(f, "%s", sym); (void)ret; \
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pclose(f);
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2017-12-21 15:40:15 +00:00
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#define CXXDIR "optional/libstdc++"
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#define GCCDIR "optional/libgcc"
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#define EXEC_SO "optional/exec.so"
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2017-04-26 13:27:46 +00:00
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2017-12-06 13:37:47 +00:00
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char *optional = NULL;
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char *optional_ld_preload = NULL;
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2017-04-26 13:27:46 +00:00
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2017-12-21 15:40:15 +00:00
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void checkrt(char *usr_in_appdir)
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2017-04-26 13:27:46 +00:00
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{
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int ret;
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FILE *f;
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char command[LINE_SIZE];
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char stdcxx_sys_lib[LINE_SIZE], gcc_sys_lib[LINE_SIZE];
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char stdcxx_sys_sym[LINE_SIZE], gcc_sys_sym[LINE_SIZE];
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char stdcxx_bundle_sym[LINE_SIZE], gcc_bundle_sym[LINE_SIZE];
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int stdcxx_sys_ver=1, stdcxx_bundle_ver=0, gcc_sys_ver=1, gcc_bundle_ver=0;
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2017-12-21 15:40:15 +00:00
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char *stdcxx_bundle_lib = "./" CXXDIR "/libstdc++.so.6";
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char *gcc_bundle_lib = "./" GCCDIR "/libgcc_s.so.1";
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2017-04-26 13:27:46 +00:00
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const char *format = "tr '\\0' '\\n' < '%s' | grep -e '%s' | tail -n1";
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if (access(stdcxx_bundle_lib, F_OK) == 0) {
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f = popen("ldconfig -p | grep 'libstdc++.so.6 (" LIBC6_ARCH ")' | awk 'NR==1{print $NF}'", "r");
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ret = fscanf(f, "%s", stdcxx_sys_lib); (void)ret;
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pclose(f);
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if (access(stdcxx_sys_lib, F_OK) == 0) {
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SCANLIB(stdcxx_sys_lib, stdcxx_sys_sym, "^GLIBCXX_3\\.4");
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SCANLIB(stdcxx_bundle_lib, stdcxx_bundle_sym, "^GLIBCXX_3\\.4");
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stdcxx_sys_ver = atoi(stdcxx_sys_sym+12);
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stdcxx_bundle_ver = atoi(stdcxx_bundle_sym+12);
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//printf("%s ==> %s (%d)\n", stdcxx_sys_lib, stdcxx_sys_sym, stdcxx_sys_ver);
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//printf("%s ==> %s (%d)\n\n", stdcxx_bundle_lib, stdcxx_bundle_sym, stdcxx_bundle_ver);
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}
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}
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if (access(gcc_bundle_lib, F_OK) == 0) {
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f = popen("ldconfig -p | grep 'libgcc_s.so.1 (" LIBC6_ARCH ")' | awk 'NR==1{print $NF}'", "r");
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ret = fscanf(f, "%s", gcc_sys_lib); (void)ret;
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pclose(f);
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if (access(gcc_sys_lib, F_OK) == 0) {
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SCANLIB(gcc_sys_lib, gcc_sys_sym, "^GCC_[0-9]\\.[0-9]");
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SCANLIB(gcc_bundle_lib, gcc_bundle_sym, "^GCC_[0-9]\\.[0-9]");
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gcc_sys_ver = atoi(gcc_sys_sym+4) * 100 + atoi(gcc_sys_sym+6) * 10 + atoi(gcc_sys_sym+8);
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gcc_bundle_ver = atoi(gcc_bundle_sym+4) * 100 + atoi(gcc_bundle_sym+6) * 10 + atoi(gcc_bundle_sym+8);
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//printf("%s ==> %s (%d)\n", gcc_sys_lib, gcc_sys_sym, gcc_sys_ver);
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//printf("%s ==> %s (%d)\n\n", gcc_bundle_lib, gcc_bundle_sym, gcc_bundle_ver);
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}
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}
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int bundle_cxx = 0;
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int bundle_gcc = 0;
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2017-12-21 15:40:15 +00:00
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size_t len = strlen(usr_in_appdir);
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2017-04-26 13:27:46 +00:00
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if (stdcxx_bundle_ver > stdcxx_sys_ver)
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bundle_cxx = 1;
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if (gcc_bundle_ver > gcc_sys_ver)
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bundle_gcc = 1;
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2017-12-06 13:37:47 +00:00
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if (bundle_cxx == 1 || bundle_gcc == 1) {
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2017-12-21 16:03:43 +00:00
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optional_ld_preload = malloc(strlen(EXEC_SO) + 13 + len);
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2017-12-21 15:40:15 +00:00
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sprintf(optional_ld_preload, "LD_PRELOAD=%s/" EXEC_SO, usr_in_appdir);
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2017-12-06 13:37:47 +00:00
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}
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2017-04-26 13:27:46 +00:00
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if (bundle_cxx == 1 && bundle_gcc == 0) {
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2017-12-21 16:03:43 +00:00
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optional = malloc(strlen(CXXDIR) + 3 + len);
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2017-12-21 15:40:15 +00:00
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sprintf(optional, "%s/" CXXDIR ":", usr_in_appdir);
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2017-04-26 13:27:46 +00:00
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} else if (bundle_cxx == 0 && bundle_gcc == 1) {
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2017-12-21 16:03:43 +00:00
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optional = malloc(strlen(GCCDIR) + 3 + len);
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2017-12-21 15:40:15 +00:00
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sprintf(optional, "%s/" GCCDIR ":", usr_in_appdir);
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2017-04-26 13:27:46 +00:00
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} else if (bundle_cxx == 1 && bundle_gcc == 1) {
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2017-12-21 16:03:43 +00:00
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optional = malloc(strlen(GCCDIR) + strlen(CXXDIR) + 5 + len*2);
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2017-12-21 15:40:15 +00:00
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sprintf(optional, "%s/" GCCDIR ":%s/" CXXDIR ":", usr_in_appdir, usr_in_appdir);
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2017-06-21 13:33:43 +00:00
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} else {
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2017-12-21 16:03:43 +00:00
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optional = malloc(2);
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2017-06-21 13:33:43 +00:00
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sprintf(optional, "%s", "");
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2017-04-26 13:27:46 +00:00
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}
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2017-12-21 15:40:15 +00:00
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//printf("optional: %s\noptional_ld_preload: %s\n", optional, optional_ld_preload);
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2017-04-26 13:27:46 +00:00
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}
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