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| author | pedro martelletto <pedro@yubico.com> | 2021-09-08 10:42:56 +0200 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2021-09-08 13:42:07 +0100 |
| commit | b6aa89b0a399992c8ea762e6ec4f30cff90618f2 (patch) | |
| tree | 1fdea13727c0bcaee5fc871be5330a7c56d7e0d8 /src/shared/libfido2-util.c | |
| parent | afd481465140a0a1ad7bb95eee968dea5118f990 (diff) | |
| download | systemd-b6aa89b0a399992c8ea762e6ec4f30cff90618f2.tar.gz | |
explicitly close FIDO2 devices
FIDO2 device access is serialised by libfido2 using flock().
Therefore, make sure to close a FIDO2 device once we are done
with it, or we risk opening it again at a later point and
deadlocking. Fixes #20664.
Diffstat (limited to 'src/shared/libfido2-util.c')
| -rw-r--r-- | src/shared/libfido2-util.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/shared/libfido2-util.c b/src/shared/libfido2-util.c index 12c644dcfc..6d18178b68 100644 --- a/src/shared/libfido2-util.c +++ b/src/shared/libfido2-util.c @@ -58,6 +58,7 @@ bool (*sym_fido_dev_is_fido2)(const fido_dev_t *) = NULL; int (*sym_fido_dev_make_cred)(fido_dev_t *, fido_cred_t *, const char *) = NULL; fido_dev_t* (*sym_fido_dev_new)(void) = NULL; int (*sym_fido_dev_open)(fido_dev_t *, const char *) = NULL; +int (*sym_fido_dev_close)(fido_dev_t *) = NULL; const char* (*sym_fido_strerr)(int) = NULL; int dlopen_libfido2(void) { @@ -106,6 +107,7 @@ int dlopen_libfido2(void) { DLSYM_ARG(fido_dev_make_cred), DLSYM_ARG(fido_dev_new), DLSYM_ARG(fido_dev_open), + DLSYM_ARG(fido_dev_close), DLSYM_ARG(fido_strerr)); } |