mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-12-24 13:57:37 +00:00
Improve argument parsing and help message
This commit is contained in:
topjohnwu
parent
1f7f84b74a
commit
1d2145b1b7
@ -187,14 +187,14 @@ string persist_getprop(const char *name) {
|
||||
auto prop = match_prop_name(name);
|
||||
pb_getprop(&prop);
|
||||
if (prop.value[0]) {
|
||||
LOGD("resetprop: getprop (persist) [%s]: [%s]\n", name, prop.value);
|
||||
LOGD("resetprop: get prop (persist) [%s]: [%s]\n", name, prop.value);
|
||||
return prop.value;
|
||||
}
|
||||
} else {
|
||||
// Try to read from file
|
||||
char value[PROP_VALUE_MAX];
|
||||
if (file_getprop(name, value)) {
|
||||
LOGD("resetprop: getprop (persist) [%s]: [%s]\n", name, value);
|
||||
LOGD("resetprop: get prop (persist) [%s]: [%s]\n", name, value);
|
||||
return value;
|
||||
}
|
||||
}
|
||||
|
||||
@ -29,13 +29,9 @@ struct PropFlags {
|
||||
void setSkipSvc() { flags |= 1; }
|
||||
void setPersist() { flags |= (1 << 1); }
|
||||
void setContext() { flags |= (1 << 2); }
|
||||
void setDelete() { flags |= (1 << 3); }
|
||||
void setLoadFile() { flags |= (1 << 4); }
|
||||
bool isSkipSvc() const { return flags & 1; }
|
||||
bool isPersist() const { return flags & (1 << 1); }
|
||||
bool isContext() const { return flags & (1 << 2); }
|
||||
bool isDelete() const { return flags & (1 << 3); }
|
||||
bool isLoadFile() const { return flags & (1 << 4); }
|
||||
private:
|
||||
uint32_t flags = 0;
|
||||
};
|
||||
@ -44,24 +40,28 @@ private:
|
||||
fprintf(stderr,
|
||||
R"EOF(resetprop - System Property Manipulation Tool
|
||||
|
||||
Usage: %s [flags] [options...]
|
||||
Usage: %s [flags] [arguments...]
|
||||
|
||||
Options:
|
||||
-h, --help show this message
|
||||
Read mode arguments:
|
||||
(no arguments) print all properties
|
||||
NAME get property
|
||||
NAME VALUE set property entry NAME with VALUE
|
||||
--file FILE load props from FILE
|
||||
--delete NAME delete property
|
||||
|
||||
Flags:
|
||||
-v print verbose output to stderr
|
||||
-n set props without going through property_service
|
||||
(this flag only affects setprop)
|
||||
-p read/write props from/to persistent storage
|
||||
(this flag only affects getprop and delprop)
|
||||
-Z show property contexts instead of values
|
||||
(this flag only affects getprop)
|
||||
Write mode arguments:
|
||||
NAME VALUE set property NAME as VALUE
|
||||
-f,--file FILE load and set properties from FILE
|
||||
-d,--delete NAME delete property
|
||||
|
||||
General flags:
|
||||
-h,--help show this message
|
||||
-v print verbose output to stderr
|
||||
|
||||
Read mode flags:
|
||||
-Z get property context instead of value
|
||||
-p also read persistent props from storage
|
||||
|
||||
Write mode flags:
|
||||
-n set properties bypassing property_service
|
||||
-p always write persistent props changes to storage
|
||||
|
||||
)EOF", arg0);
|
||||
exit(1);
|
||||
@ -125,7 +125,7 @@ static int set_prop(const char *name, const char *value, PropFlags flags) {
|
||||
if (!check_legal_property_name(name))
|
||||
return 1;
|
||||
|
||||
const char *msg = flags.isSkipSvc() ? "modifying prop data structure" : "property_service";
|
||||
const char *msg = flags.isSkipSvc() ? "direct modification" : "property_service";
|
||||
|
||||
auto pi = const_cast<prop_info *>(__system_property_find(name));
|
||||
|
||||
@ -154,8 +154,9 @@ static int set_prop(const char *name, const char *value, PropFlags flags) {
|
||||
LOGD("resetprop: create prop [%s]: [%s] by %s\n", name, value, msg);
|
||||
}
|
||||
|
||||
if (ret)
|
||||
LOGW("resetprop: setprop error\n");
|
||||
if (ret) {
|
||||
LOGW("resetprop: set prop error\n");
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -166,7 +167,7 @@ static string get_prop(const char *name, PropFlags flags) {
|
||||
|
||||
if (flags.isContext()) {
|
||||
auto val = __system_property_get_context(name) ?: "";
|
||||
LOGD("resetprop: getcontext [%s]: [%s]\n", name, val);
|
||||
LOGD("resetprop: prop context [%s]: [%s]\n", name, val);
|
||||
return val;
|
||||
}
|
||||
|
||||
@ -176,9 +177,9 @@ static string get_prop(const char *name, PropFlags flags) {
|
||||
return val;
|
||||
auto cb = prop_to_string(val);
|
||||
read_prop_with_cb(pi, &cb);
|
||||
LOGD("resetprop: getprop [%s]: [%s]\n", name, val.data());
|
||||
LOGD("resetprop: get prop [%s]: [%s]\n", name, val.data());
|
||||
|
||||
if (val.empty() && flags.isPersist() && strncmp(name, "persist.", 8) == 0)
|
||||
if (val.empty() && flags.isPersist() && str_starts(name, "persist."))
|
||||
val = persist_getprop(name);
|
||||
if (val.empty())
|
||||
LOGD("resetprop: prop [%s] does not exist\n", name);
|
||||
@ -200,6 +201,9 @@ static void print_props(PropFlags flags) {
|
||||
}
|
||||
|
||||
static int delete_prop(const char *name, PropFlags flags) {
|
||||
if (!check_legal_property_name(name))
|
||||
return 1;
|
||||
|
||||
LOGD("resetprop: delete prop [%s]\n", name);
|
||||
|
||||
int ret = __system_property_delete(name, true);
|
||||
@ -240,41 +244,55 @@ static void InitOnce() {
|
||||
struct Initialize init;
|
||||
}
|
||||
|
||||
#define consume_next(val) \
|
||||
if (argc != 2) usage(argv0); \
|
||||
val = argv[1]; \
|
||||
stop_parse = true; \
|
||||
|
||||
int resetprop_main(int argc, char *argv[]) {
|
||||
PropFlags flags;
|
||||
char *argv0 = argv[0];
|
||||
|
||||
const char *prop_file = nullptr;
|
||||
const char *prop_to_rm = nullptr;
|
||||
|
||||
--argc;
|
||||
++argv;
|
||||
|
||||
// Parse flags and -- options
|
||||
while (argc && argv[0][0] == '-') {
|
||||
bool stop_parse = false;
|
||||
for (int idx = 1; true; ++idx) {
|
||||
switch (argv[0][idx]) {
|
||||
case '-':
|
||||
if (argv[0] == "--file"sv) {
|
||||
flags.setLoadFile();
|
||||
consume_next(prop_file);
|
||||
} else if (argv[0] == "--delete"sv) {
|
||||
flags.setDelete();
|
||||
} else if (argv[0] == "--help"sv) {
|
||||
consume_next(prop_to_rm);
|
||||
} else {
|
||||
usage(argv0);
|
||||
}
|
||||
break;
|
||||
case 'v':
|
||||
set_log_level_state(LogLevel::Debug, true);
|
||||
case 'd':
|
||||
consume_next(prop_to_rm);
|
||||
continue;
|
||||
case 'f':
|
||||
consume_next(prop_file);
|
||||
continue;
|
||||
case 'n':
|
||||
flags.setSkipSvc();
|
||||
continue;
|
||||
case 'p':
|
||||
flags.setPersist();
|
||||
continue;
|
||||
case 'n':
|
||||
flags.setSkipSvc();
|
||||
case 'v':
|
||||
set_log_level_state(LogLevel::Debug, true);
|
||||
continue;
|
||||
case 'Z':
|
||||
flags.setContext();
|
||||
continue;
|
||||
case '\0':
|
||||
break;
|
||||
case 'h':
|
||||
default:
|
||||
usage(argv0);
|
||||
}
|
||||
@ -282,20 +300,18 @@ int resetprop_main(int argc, char *argv[]) {
|
||||
}
|
||||
--argc;
|
||||
++argv;
|
||||
if (stop_parse)
|
||||
break;
|
||||
}
|
||||
|
||||
InitOnce();
|
||||
|
||||
if (flags.isDelete()) {
|
||||
if (argc != 1)
|
||||
usage(argv0);
|
||||
return delete_prop(argv[0], flags);
|
||||
if (prop_to_rm) {
|
||||
return delete_prop(prop_to_rm, flags);
|
||||
}
|
||||
|
||||
if (flags.isLoadFile()) {
|
||||
if (argc != 1)
|
||||
usage(argv0);
|
||||
load_file(argv[0], flags);
|
||||
if (prop_file) {
|
||||
load_file(prop_file, flags);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -317,9 +333,9 @@ int resetprop_main(int argc, char *argv[]) {
|
||||
}
|
||||
}
|
||||
|
||||
/***********************************
|
||||
* Implementation of top-level APIs
|
||||
***********************************/
|
||||
/*******************
|
||||
* High-level APIs
|
||||
********************/
|
||||
|
||||
string get_prop(const char *name, bool persist) {
|
||||
InitOnce();
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user