diff options
| author | Helge Deller <deller@gmx.de> | 2022-12-12 18:34:15 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2023-02-03 22:55:12 +0100 |
| commit | 27404b6c15c1cddae54e1044c8da815eade109fa (patch) | |
| tree | ce85688aa0136f1ff319e2b7df13e45d01c4d6d8 /linux-user/syscall.c | |
| parent | 93cf7e6c4abdbc5e678088cee4e08f615ad39766 (diff) | |
linux-user: Implement SOL_ALG encryption support
Add suport to handle SOL_ALG packets via sendmsg() and recvmsg().
This allows emulated userspace to use encryption functionality.
Tested with the debian ell package with hppa guest on x86_64 host.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20221212173416.90590-1-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 55d53b344b..a0d2beddaa 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1829,6 +1829,14 @@ static inline abi_long target_to_host_cmsg(struct msghdr *msgh, __get_user(cred->pid, &target_cred->pid); __get_user(cred->uid, &target_cred->uid); __get_user(cred->gid, &target_cred->gid); + } else if (cmsg->cmsg_level == SOL_ALG) { + uint32_t *dst = (uint32_t *)data; + + memcpy(dst, target_data, len); + /* fix endianess of first 32-bit word */ + if (len >= sizeof(uint32_t)) { + *dst = tswap32(*dst); + } } else { qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); |