Mercurial > dropbear
diff cli-auth.c @ 268:475a818dd6e7
Cancel a dbclient password prompt if the user presses ctrl-c.
Enter still has to be pressed since glibc blocks ctrl-c in getpass()
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 15 Jan 2006 06:43:24 +0000 |
| parents | efbaf6b03837 |
| children | 64abb124763d baea1d43e7eb |
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--- a/cli-auth.c Sun Jan 15 06:39:48 2006 +0000 +++ b/cli-auth.c Sun Jan 15 06:43:24 2006 +0000 @@ -278,3 +278,18 @@ TRACE(("leave cli_auth_try")) } + +/* A helper for getpass() that exits if the user cancels. The returned + * password is statically allocated by getpass() */ +char* getpass_or_cancel() +{ + char* password = NULL; + + password = getpass("Password: "); + + /* 0x03 is a ctrl-c character in the buffer. */ + if (password == NULL || strchr(password, '\3') != NULL) { + dropbear_close("Interrupted."); + } + return password; +}