[PATCH] ssh-keygen: feat: raise error on confirm_overwrite if file

[Salar Nosrati-Ershad <snosratiershad@xxxxxxxxx>]

---
ssh-keygen.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/ssh-keygen.c b/ssh-keygen.c
index 89c3ed287..94665b0ab 100644
--- a/ssh-keygen.c
+++ b/ssh-keygen.c
@@ -242,6 +242,10 @@ confirm_overwrite(const char *filename)

       if (stat(filename, &st) != 0)
               return 1;
+       if (S_ISDIR(st.st_mode)) {
+               error("%s is a directory.", filename);
+               return 0;
+       }
       printf("%s already exists.\n", filename);
       printf("Overwrite (y/n)? ");
       fflush(stdout);
--
2.43.0
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