diff options
Diffstat (limited to 'twinstall.cpp')
| -rw-r--r-- | twinstall.cpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/twinstall.cpp b/twinstall.cpp index af12ce36f..b3b9b774b 100644 --- a/twinstall.cpp +++ b/twinstall.cpp @@ -48,6 +48,34 @@ #include "twrp-functions.hpp" extern "C" { #include "gui/gui.h" + #include "legacy_property_service.h" +} + +static const char* properties_path = "/dev/__properties__"; +static const char* properties_path_renamed = "/dev/__properties_kk__"; + +static void switch_to_legacy_properties() +{ + char tmp[32]; + int propfd, propsz; + legacy_properties_init(); + legacy_get_property_workspace(&propfd, &propsz); + sprintf(tmp, "%d,%d", dup(propfd), propsz); + setenv("ANDROID_PROPERTY_WORKSPACE", tmp, 1); + + if (TWFunc::Path_Exists(properties_path)) { + // hide real properties so that the updater uses the envvar to find the legacy format properties + if (rename(properties_path, properties_path_renamed) != 0) + LOGERR("Renaming properties failed: %s (assertions in old installers may fail)\n", strerror(errno)); + } +} + +static void switch_to_new_properties() +{ + if (TWFunc::Path_Exists(properties_path_renamed)) { + if (rename(properties_path_renamed, properties_path) != 0) + LOGERR("Restoring properties failed: %s\n", strerror(errno)); + } } static int Run_Update_Binary(const char *path, ZipArchive *Zip, int* wipe_cache) { @@ -127,8 +155,9 @@ static int Run_Update_Binary(const char *path, ZipArchive *Zip, int* wipe_cache) pid_t pid = fork(); if (pid == 0) { + switch_to_legacy_properties(); close(pipe_fd[0]); - execv(Temp_Binary.c_str(), (char* const*)args); + execve(Temp_Binary.c_str(), (char* const*)args, environ); printf("E:Can't execute '%s'\n", Temp_Binary.c_str()); _exit(-1); } @@ -175,6 +204,7 @@ static int Run_Update_Binary(const char *path, ZipArchive *Zip, int* wipe_cache) fclose(child_data); waitpid(pid, &status, 0); + switch_to_new_properties(); if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { LOGERR("Error executing updater binary in zip '%s'\n", path); return INSTALL_ERROR; |