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Fix FORTIFY crashes

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topjohnwu
2020-04-11 04:05:34 -07:00
parent e165a1e65c
commit 93ef90cd24
3 changed files with 21 additions and 3 deletions
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6
native/jni/utils/file.cpp
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@@ -127,7 +127,7 @@ void cp_afc(const char *src, const char *dest) {
unlink(dest);
if (S_ISREG(a.st.st_mode)) {
int sfd = xopen(src, O_RDONLY | O_CLOEXEC);
int dfd = xopen(dest, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC);
int dfd = xopen(dest, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0);
xsendfile(dfd, sfd, nullptr, a.st.st_size);
close(sfd);
close(dfd);
@@ -158,7 +158,7 @@ void clone_dir(int src, int dest) {
}
case DT_REG: {
int sfd = xopenat(src, entry->d_name, O_RDONLY | O_CLOEXEC);
int dfd = xopenat(dest, entry->d_name, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC);
int dfd = xopenat(dest, entry->d_name, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0);
xsendfile(dfd, sfd, nullptr, a.st.st_size);
fsetattr(dfd, &a);
close(dfd);
@@ -359,7 +359,7 @@ void parse_mnt(const char *file, const function<bool(mntent*)> &fn) {
void backup_folder(const char *dir, vector<raw_file> &files) {
char path[4096];
realpath(dir, path);
xrealpath(dir, path);
int len = strlen(path);
post_order_walk(xopen(dir, O_RDONLY), [&](int dfd, dirent *entry) -> int {
int fd = xopenat(dfd, entry->d_name, O_RDONLY);