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show injection status

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This commit is contained in:
5ec1cff
2023-12-12 00:43:30 +08:00
parent 993b18752b
commit db60c3185e
5 changed files with 54 additions and 20 deletions
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7
loader/src/ptracer/main.hpp
View File

@@ -6,8 +6,11 @@ bool trace_zygote(int pid);
enum Command {
START = 1,
STOP,
EXIT
STOP = 2,
EXIT = 3,
// sent from daemon
ZYGOTE64_INJECTED = 4,
ZYGOTE32_INJECTED = 5
};
void send_control_command(Command cmd);

39
loader/src/ptracer/monitor.cpp
View File

@@ -114,6 +114,18 @@ public:
static TracingState tracing_state = TRACING;
struct Status {
bool supported = false;
bool zygote_injected = false;
bool daemon_running = false;
pid_t daemon_pid = -1;
std::string daemon_crash_reason;
};
static Status status64;
static Status status32;
struct SocketHandler : public EventHandler {
int sock_fd_;
@@ -182,6 +194,14 @@ struct SocketHandler : public EventHandler {
updateStatus();
loop.Stop();
break;
case ZYGOTE64_INJECTED:
status64.zygote_injected = true;
updateStatus();
break;
case ZYGOTE32_INJECTED:
status32.zygote_injected = true;
updateStatus();
break;
}
}
}
@@ -211,19 +231,10 @@ bool should_stop_inject##abi() { \
CREATE_ZYGOTE_START_COUNTER(64)
CREATE_ZYGOTE_START_COUNTER(32)
struct Status {
bool supported = false;
bool zygote_injected = false;
bool daemon_running = false;
pid_t daemon_pid = -1;
std::string daemon_crash_reason;
};
static Status status64;
static Status status32;
static bool ensure_daemon_created(bool is_64bit) {
auto &status = is_64bit ? status64 : status32;
status.zygote_injected = false;
if (status.daemon_pid == -1) {
auto pid = fork();
if (pid < 0) {
@@ -239,7 +250,6 @@ static bool ensure_daemon_created(bool is_64bit) {
status.supported = true;
status.daemon_pid = pid;
status.daemon_running = true;
updateStatus();
return true;
}
} else {
@@ -363,7 +373,6 @@ public:
LOGW("zygote" #abi " restart too much times, stop injecting"); \
tracing_state = STOPPING; \
monitor_stop_reason = "zygote crashed"; \
updateStatus(); \
ptrace(PTRACE_INTERRUPT, 1, 0, 0); \
break; \
} \
@@ -371,7 +380,6 @@ public:
LOGW("daemon" #abi " not running, stop injecting"); \
tracing_state = STOPPING; \
monitor_stop_reason = "daemon not running"; \
updateStatus(); \
ptrace(PTRACE_INTERRUPT, 1, 0, 0); \
break; \
} \
@@ -401,6 +409,7 @@ public:
}
}
} while (false);
updateStatus();
} else {
LOGE("process %d received unknown status %s", pid,
parse_status(status).c_str());
@@ -445,7 +454,7 @@ static void updateStatus() {
status_text += monitor_stop_reason;
status_text += ")";
}
status_text += ", ";
status_text += ",";
#define WRITE_STATUS_ABI(suffix) \
if (status##suffix.supported) { \
status_text += " zygote" #suffix ":"; \
@@ -464,7 +473,7 @@ static void updateStatus() {
}
WRITE_STATUS_ABI(64)
WRITE_STATUS_ABI(32)
fprintf(prop.get(), "%s[%s]%s", pre_section.c_str(), status_text.c_str(), post_section.c_str());
fprintf(prop.get(), "%s[%s] %s", pre_section.c_str(), status_text.c_str(), post_section.c_str());
}
static bool prepare_environment() {