diff options
| author |   Mark Farrugia <mark.farrugia@fiberdyne.com.au> | 2018-10-01 17:13:28 +1000 |
|---|---|---|
| committer | Mark Farrugia <mark.farrugia@fiberdyne.com.au> | 2018-10-30 13:43:40 +1100 |
| commit | 11befb8989854bf8cb03df8df1c872b66e4b39f6 (patch) | |
| tree | c793709f396969fcd14ec319865f6d226b30a583 | |
| parent | c9c96726dc37dd8ef1815974a60b29fe12b65d60 (diff) | |
Added card_sealed bool
We don't want to allow AVIRT_SealCard to be called more than once.
Signed-off-by: Mark Farrugia <mark.farrugia@fiberdyne.com.au>
| -rw-r--r-- | src/avirt-config.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/avirt-config.c b/src/avirt-config.c index d2b1d5e..53af9db 100644 --- a/src/avirt-config.c +++ b/src/avirt-config.c @@ -58,6 +58,7 @@ #endif static bool configfs_mounted = false; +static bool card_sealed = false; static int mount_configfs() { @@ -132,6 +133,12 @@ int AVIRT_SealCard() char path_sealed[AVIRT_CONFIGFS_PATH_MAXLEN]; FILE *fd; + if (card_sealed) + { + AVIRT_ERROR("Card is already sealed!"); + return -1; + } + if (!configfs_mounted) { err = mount_configfs(); if (err < 0) @@ -149,4 +156,6 @@ int AVIRT_SealCard() fprintf(fd, "%d", 1); fclose(fd); + + card_sealed = true; } |