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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2013-09-16 19:49:58 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-09-19 08:49:47 +0200 |
| commit | bb89ea62a0b7e5c6fcedfe1a28b6dd82236247ce (patch) | |
| tree | 45448d5807a24e8bd1b42e27994334e590763f2f /common/console.c | |
| parent | 54385ace4b98f8131d53757d18858d0729960dc2 (diff) | |
| download | barebox-bb89ea62a0b7e5c6fcedfe1a28b6dd82236247ce.tar.gz barebox-bb89ea62a0b7e5c6fcedfe1a28b6dd82236247ce.tar.xz | |
login: disable input console if password wrong
so we guarantee that barebox is secured again user interaction
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/console.c')
| -rw-r--r-- | common/console.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/common/console.c b/common/console.c index 6ca94e2a02..49318291db 100644 --- a/common/console.c +++ b/common/console.c @@ -236,6 +236,9 @@ int getc(void) unsigned char ch; uint64_t start; + if (unlikely(!console_is_input_allow())) + return -EPERM; + /* * For 100us we read the characters from the serial driver * into a kfifo. This helps us not to lose characters @@ -270,6 +273,9 @@ EXPORT_SYMBOL(fgetc); int tstc(void) { + if (unlikely(!console_is_input_allow())) + return 0; + return kfifo_len(console_input_fifo) || tstc_raw(); } EXPORT_SYMBOL(tstc); |