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b94ea0c5f5
This commit ports the C++ to C99 from zygisk-ptracer code, allowing a ~3x size reduce in its binary.
113 lines
5.3 KiB
C
113 lines
5.3 KiB
C
#ifndef UTILS_H
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#define UTILS_H
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#include <sys/types.h>
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#include "constants.h"
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#include "root_impl/common.h"
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#define CONCAT_(x,y) x##y
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#define CONCAT(x,y) CONCAT_(x,y)
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#define LOG_TAG lp_select("zygiskd32", "zygiskd64")
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#define LOGI(...) \
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__android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__); \
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printf(__VA_ARGS__);
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#define LOGW(...) \
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__android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); \
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printf(__VA_ARGS__);
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#define LOGE(...) \
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__android_log_print(ANDROID_LOG_ERROR , LOG_TAG, __VA_ARGS__); \
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printf(__VA_ARGS__);
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#define ASSURE_SIZE_WRITE(area_name, subarea_name, sent_size, expected_size) \
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if (sent_size != (ssize_t)(expected_size)) { \
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LOGE("Failed to sent " subarea_name " in " area_name ": Expected %zu, got %zd\n", expected_size, sent_size); \
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\
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return; \
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}
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#define ASSURE_SIZE_READ(area_name, subarea_name, sent_size, expected_size) \
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if (sent_size != (ssize_t)(expected_size)) { \
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LOGE("Failed to read " subarea_name " in " area_name ": Expected %zu, got %zd\n", expected_size, sent_size); \
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\
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return; \
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}
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#define ASSURE_SIZE_WRITE_BREAK(area_name, subarea_name, sent_size, expected_size) \
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if (sent_size != (ssize_t)(expected_size)) { \
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LOGE("Failed to sent " subarea_name " in " area_name ": Expected %zu, got %zd\n", expected_size, sent_size); \
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\
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break; \
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}
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#define ASSURE_SIZE_READ_BREAK(area_name, subarea_name, sent_size, expected_size) \
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if (sent_size != (ssize_t)(expected_size)) { \
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LOGE("Failed to read " subarea_name " in " area_name ": Expected %zu, got %zd\n", expected_size, sent_size); \
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\
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break; \
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}
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#define ASSURE_SIZE_WRITE_WR(area_name, subarea_name, sent_size, expected_size) \
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if (sent_size != (ssize_t)(expected_size)) { \
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LOGE("Failed to sent " subarea_name " in " area_name ": Expected %zu, got %zd\n", expected_size, sent_size); \
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\
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return -1; \
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}
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#define ASSURE_SIZE_READ_WR(area_name, subarea_name, sent_size, expected_size) \
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if (sent_size != (ssize_t)(expected_size)) { \
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LOGE("Failed to read " subarea_name " in " area_name ": Expected %zu, got %zd\n", expected_size, sent_size); \
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\
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return -1; \
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}
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#define write_func_def(type) \
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ssize_t write_## type(int fd, type val)
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#define read_func_def(type) \
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ssize_t read_## type(int fd, type *val)
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bool switch_mount_namespace(pid_t pid);
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void get_property(const char *name, char *restrict output);
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void set_socket_create_context(const char *restrict context);
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void unix_datagram_sendto(const char *restrict path, void *restrict buf, size_t len);
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int chcon(const char *path, const char *restrict context);
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int unix_listener_from_path(char *path);
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ssize_t write_fd(int fd, int sendfd);
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int read_fd(int fd);
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write_func_def(size_t);
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read_func_def(size_t);
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write_func_def(uint32_t);
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read_func_def(uint32_t);
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write_func_def(uint8_t);
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read_func_def(uint8_t);
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ssize_t write_string(int fd, const char *restrict str);
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ssize_t read_string(int fd, char *restrict buf, size_t buf_size);
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bool exec_command(char *restrict buf, size_t len, const char *restrict file, char *const argv[]);
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bool check_unix_socket(int fd, bool block);
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int non_blocking_execv(const char *restrict file, char *const argv[]);
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void stringify_root_impl_name(struct root_impl impl, char *restrict output);
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int save_mns_fd(int pid, enum MountNamespaceState mns_state, struct root_impl impl);
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#endif /* UTILS_H */
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