Message ID | 1517828774-1661-1-git-send-email-achille.fouilleul@gadz.org |
---|---|
State | Accepted |
Headers | show |
Series | [1/2] handlers: fix size of encrypted UBI image | expand |
Hi Achille, On 05/02/2018 12:06, Achille Fouilleul wrote: > Signed-off-by: Achille Fouilleul <achille.fouilleul@gadz.org> > --- > handlers/ubivol_handler.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/handlers/ubivol_handler.c b/handlers/ubivol_handler.c > index 25ac837..8ba5958 100644 > --- a/handlers/ubivol_handler.c > +++ b/handlers/ubivol_handler.c > @@ -19,6 +19,7 @@ > #include "handler.h" > #include "flash.h" > #include "util.h" > +#include "sslapi.h" > > void ubi_handler(void); > > @@ -43,6 +44,17 @@ static int update_volume(libubi_t libubi, struct img_type *img, > char sbuf[128]; > > bytes = img->size; > + if (img->is_encrypted) { > + if (img->compressed) { > + ERROR("Decryption of compressed UBI images not supported"); > + return -1; > + } > + if (bytes < AES_BLOCK_SIZE) { > + ERROR("Encrypted image size (%lld) too small", bytes); > + return -1; > + } > + bytes -= AES_BLOCK_SIZE; > + } > > if (!libubi) { > ERROR("Request to write into UBI, but no UBI on system"); > Acked-by: Stefano Babic <sbabic@denx.de> Best regards, Stefano Babic
diff --git a/handlers/ubivol_handler.c b/handlers/ubivol_handler.c index 25ac837..8ba5958 100644 --- a/handlers/ubivol_handler.c +++ b/handlers/ubivol_handler.c @@ -19,6 +19,7 @@ #include "handler.h" #include "flash.h" #include "util.h" +#include "sslapi.h" void ubi_handler(void); @@ -43,6 +44,17 @@ static int update_volume(libubi_t libubi, struct img_type *img, char sbuf[128]; bytes = img->size; + if (img->is_encrypted) { + if (img->compressed) { + ERROR("Decryption of compressed UBI images not supported"); + return -1; + } + if (bytes < AES_BLOCK_SIZE) { + ERROR("Encrypted image size (%lld) too small", bytes); + return -1; + } + bytes -= AES_BLOCK_SIZE; + } if (!libubi) { ERROR("Request to write into UBI, but no UBI on system");
Signed-off-by: Achille Fouilleul <achille.fouilleul@gadz.org> --- handlers/ubivol_handler.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)