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Reset file context from adb_data_file

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In some cases (like weird ROMs that allow init to relabel context from system_file), module files will have an incorrent context, which will causes module not working properly.
See https://github.com/RikkaApps/Riru/wiki/Explanation-about-incorrect-SELinux-rules-from-third-party-ROMs-cause-Riru-not-working
This commit is contained in:
残页 2021-09-02 22:54:53 +08:00 committed by John Wu
parent 76f0602684
commit c0a2e3674c
1 changed files with 3 additions and 3 deletions
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6
native/jni/core/restorecon.cpp
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@ -19,7 +19,7 @@ static void restore_syscon(int dirfd) {
char *con;
if (fgetfilecon(dirfd, &con) >= 0) {
if (strlen(con) == 0 || strcmp(con, UNLABEL_CON) == 0)
if (strlen(con) == 0 || strcmp(con, UNLABEL_CON) == 0 || strcmp(con, ADB_CON) == 0)
fsetfilecon(dirfd, SYSTEM_CON);
freecon(con);
}
@ -31,13 +31,13 @@ static void restore_syscon(int dirfd) {
restore_syscon(fd);
} else if (entry->d_type == DT_REG) {
if (fgetfilecon(fd, &con) >= 0) {
if (con[0] == '\0' || strcmp(con, UNLABEL_CON) == 0)
if (con[0] == '\0' || strcmp(con, UNLABEL_CON) == 0 || strcmp(con, ADB_CON) == 0)
fsetfilecon(fd, SYSTEM_CON);
freecon(con);
}
} else if (entry->d_type == DT_LNK) {
getfilecon_at(dirfd, entry->d_name, &con);
if (con[0] == '\0' || strcmp(con, UNLABEL_CON) == 0)
if (con[0] == '\0' || strcmp(con, UNLABEL_CON) == 0 || strcmp(con, ADB_CON) == 0)
setfilecon_at(dirfd, entry->d_name, con);
freecon(con);
}