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Optimize magiskhide to work with the log daemon

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topjohnwu
2018-07-04 01:52:23 +08:00
parent 52a2c6958b
commit e7a2144def
5 changed files with 100 additions and 90 deletions
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native/jni/utils/misc.c
+30 -14
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@@ -170,22 +170,38 @@ void ps(void (*func)(int)) {
static void (*ps_filter_cb)(int);
static const char *ps_filter_pattern;
static void proc_name_filter(int pid) {
char buf[64];
int fd;
snprintf(buf, sizeof(buf), "/proc/%d/cmdline", pid);
if (access(buf, R_OK) == -1 || (fd = xopen(buf, O_RDONLY)) == -1)
char buf[128];
FILE *f;
sprintf(buf, "/proc/%d/comm", pid);
if ((f = fopen(buf, "r"))) {
fgets(buf, sizeof(buf), f);
if (strcmp(buf, ps_filter_pattern) == 0)
goto run_cb;
} else {
// The PID is already killed
return;
if (fdgets(buf, sizeof(buf), fd) == 0) {
snprintf(buf, sizeof(buf), "/proc/%d/comm", pid);
close(fd);
if (access(buf, R_OK) == -1 || (fd = xopen(buf, O_RDONLY)) == -1)
return;
fdgets(buf, sizeof(buf), fd);
}
if (strcmp(buf, ps_filter_pattern) == 0) {
ps_filter_cb(pid);
}
close(fd);
fclose(f);
sprintf(buf, "/proc/%d/cmdline", pid);
f = fopen(buf, "r");
fgets(buf, sizeof(buf), f);
if (strcmp(basename(buf), ps_filter_pattern) == 0)
goto run_cb;
fclose(f);
sprintf(buf, "/proc/%d/exe", pid);
if (access(buf, F_OK) != 0)
return;
xreadlink(buf, buf, sizeof(buf));
if (strcmp(basename(buf), ps_filter_pattern) == 0)
goto run_cb;
return;
run_cb:
ps_filter_cb(pid);
fclose(f);
return;
}
/* Call func with process name filtered with pattern */