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Limit process name match to cmdline only

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We are only interested in Zygote forked processed
This commit is contained in:
topjohnwu 2019-03-01 18:13:41 -05:00
parent b1afd554fc
commit b51feffe80
1 changed files with 5 additions and 3 deletions
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8
native/jni/magiskhide/hide_utils.cpp
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@ -68,6 +68,7 @@ void crawl_procfs(const function<bool (int)> &fn) {
bool proc_name_match(int pid, const char *name) { bool proc_name_match(int pid, const char *name) {
char buf[4019]; char buf[4019];
FILE *f; FILE *f;
#if 0
sprintf(buf, "/proc/%d/comm", pid); sprintf(buf, "/proc/%d/comm", pid);
if ((f = fopen(buf, "re"))) { if ((f = fopen(buf, "re"))) {
fgets(buf, sizeof(buf), f); fgets(buf, sizeof(buf), f);
@ -78,6 +79,7 @@ bool proc_name_match(int pid, const char *name) {
// The PID is already killed // The PID is already killed
return false; return false;
} }
#endif
sprintf(buf, "/proc/%d/cmdline", pid); sprintf(buf, "/proc/%d/cmdline", pid);
if ((f = fopen(buf, "re"))) { if ((f = fopen(buf, "re"))) {
@ -85,17 +87,17 @@ bool proc_name_match(int pid, const char *name) {
fclose(f); fclose(f);
if (strcmp(basename(buf), name) == 0) if (strcmp(basename(buf), name) == 0)
return true; return true;
} else {
// The PID is already killed
return false;
} }
return false;
#if 0
sprintf(buf, "/proc/%d/exe", pid); sprintf(buf, "/proc/%d/exe", pid);
ssize_t len; ssize_t len;
if ((len = readlink(buf, buf, sizeof(buf))) < 0) if ((len = readlink(buf, buf, sizeof(buf))) < 0)
return false; return false;
buf[len] = '\0'; buf[len] = '\0';
return strcmp(basename(buf), name) == 0; return strcmp(basename(buf), name) == 0;
#endif
} }
static void kill_process(const char *name) { static void kill_process(const char *name) {