Qubes/core-agent-linux
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vm-file-editor: do not overwite an existing file

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Either a housekeeping file from that VM, or a similarly named
one being edited from a third VM.
This commit is contained in:
Vincent Penquerc'h 2013-12-29 07:08:50 -05:00 committed by Marek Marczykowski-Górecki
parent 11b8f9be20
commit 81e9f967be
1 changed files with 1 additions and 1 deletions
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qubes-rpc/vm-file-editor.c
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@ -44,7 +44,7 @@ char *get_filename()
void copy_file(char *filename) void copy_file(char *filename)
{ {
int fd = open(filename, O_WRONLY | O_CREAT, 0600); int fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd < 0) { if (fd < 0) {
perror("open file"); perror("open file");
exit(1); exit(1);