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Use O_EXCL with O_CREAT for drag source files

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Kovid Goyal 2026-05-18 08:37:50 +05:30
parent 092b7504de
commit 0b56a8567d
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GPG key ID: 06BC317B515ACE7C
1 changed files with 2 additions and 2 deletions
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kitty/dnd.c
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@ -2085,7 +2085,7 @@ add_payload(Window *w, DragRemoteItem *ri, bool has_more, const uint8_t *payload
switch (ri->type) {
case 0: {
if (!ri->fd_plus_one) {
int fd = safe_openat(dirfd, ri->dir_entry_name, O_CREAT | O_WRONLY, file_permissions);
int fd = safe_openat(dirfd, ri->dir_entry_name, O_CREAT | O_WRONLY | O_EXCL, file_permissions);
if (fd < 0) abrt(errno, "could not open drag source item data file");
ri->fd_plus_one = fd + 1;
}
@ -2121,7 +2121,7 @@ add_payload(Window *w, DragRemoteItem *ri, bool has_more, const uint8_t *payload
} else {
// Empty file: no data payload was ever received so the file was never opened;
// create it now so that it exists at the expected path for the caller.
int fd = safe_openat(dirfd, ri->dir_entry_name, O_CREAT | O_WRONLY, file_permissions);
int fd = safe_openat(dirfd, ri->dir_entry_name, O_CREAT | O_WRONLY | O_EXCL, file_permissions);
if (fd < 0) abrt(errno, "could not create empty drag source item file");
safe_close(fd, __FILE__, __LINE__);
}