MarcoBuster/Magisk
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Ignore validating class name of isolated process name

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Fix #4176

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
This commit is contained in:
vvb2060 2021-04-16 14:08:51 +08:00 committed by GitHub
parent 2b65e1ffc2
commit f4ac7c8e7c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 16 deletions
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48
native/jni/magiskhide/hide_utils.cpp
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@ -99,24 +99,40 @@ static void kill_process(const char *name, bool multi = false,
}); });
} }
static bool validate(const char *s) { static bool validate(const char *pkg, const char *proc) {
if (strcmp(s, ISOLATED_MAGIC) == 0) bool pkg_valid = false;
return true; bool proc_valid = true;
bool dot = false;
for (char c; (c = *s); ++s) { if (str_eql(pkg, ISOLATED_MAGIC)) {
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || pkg_valid = true;
(c >= '0' && c <= '9') || c == '_' || c == ':') { for (char c; (c = *proc); ++proc) {
continue; if (isalnum(c) || c == '_' || c == '.')
continue;
if (c == ':')
break;
proc_valid = false;
break;
} }
if (SDK_INT >= 29 && c == '$') } else {
continue; for (char c; (c = *pkg); ++pkg) {
if (c == '.') { if (isalnum(c) || c == '_')
dot = true; continue;
continue; if (c == '.') {
pkg_valid = true;
continue;
}
pkg_valid = false;
break;
}
for (char c; (c = *proc); ++proc) {
if (isalnum(c) || c == '_' || c == ':' || c == '.')
continue;
proc_valid = false;
break;
} }
return false;
} }
return dot; return pkg_valid && proc_valid;
} }
static void add_hide_set(const char *pkg, const char *proc) { static void add_hide_set(const char *pkg, const char *proc) {
@ -134,7 +150,7 @@ static int add_list(const char *pkg, const char *proc) {
if (proc[0] == '\0') if (proc[0] == '\0')
proc = pkg; proc = pkg;
if (!validate(pkg) || !validate(proc)) if (!validate(pkg, proc))
return HIDE_INVALID_PKG; return HIDE_INVALID_PKG;
for (auto &hide : hide_set) for (auto &hide : hide_set)