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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/greybus/Documentation/firmware/authenticate.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/greybus/Documentation/firmware/authenticate.c')
-rw-r--r-- | drivers/staging/greybus/Documentation/firmware/authenticate.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/staging/greybus/Documentation/firmware/authenticate.c b/drivers/staging/greybus/Documentation/firmware/authenticate.c new file mode 100644 index 000000000..3d2c6f88a --- /dev/null +++ b/drivers/staging/greybus/Documentation/firmware/authenticate.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +/* + * Sample code to test CAP protocol + * + * Copyright(c) 2016 Google Inc. All rights reserved. + * Copyright(c) 2016 Linaro Ltd. All rights reserved. + */ + +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include "../../greybus_authentication.h" + +struct cap_ioc_get_endpoint_uid uid; +struct cap_ioc_get_ims_certificate cert = { + .certificate_class = 0, + .certificate_id = 0, +}; + +struct cap_ioc_authenticate authenticate = { + .auth_type = 0, + .challenge = {0}, +}; + +int main(int argc, char *argv[]) +{ + unsigned int timeout = 10000; + char *capdev; + int fd, ret; + + /* Make sure arguments are correct */ + if (argc != 2) { + printf("\nUsage: ./firmware <Path of the gb-cap-X dev>\n"); + return 0; + } + + capdev = argv[1]; + + printf("Opening %s authentication device\n", capdev); + + fd = open(capdev, O_RDWR); + if (fd < 0) { + printf("Failed to open: %s\n", capdev); + return -1; + } + + /* Get UID */ + printf("Get UID\n"); + + ret = ioctl(fd, CAP_IOC_GET_ENDPOINT_UID, &uid); + if (ret < 0) { + printf("Failed to get UID: %s (%d)\n", capdev, ret); + ret = -1; + goto close_fd; + } + + printf("UID received: 0x%llx\n", *(unsigned long long int *)(uid.uid)); + + /* Get certificate */ + printf("Get IMS certificate\n"); + + ret = ioctl(fd, CAP_IOC_GET_IMS_CERTIFICATE, &cert); + if (ret < 0) { + printf("Failed to get IMS certificate: %s (%d)\n", capdev, ret); + ret = -1; + goto close_fd; + } + + printf("IMS Certificate size: %d\n", cert.cert_size); + + /* Authenticate */ + printf("Authenticate module\n"); + + memcpy(authenticate.uid, uid.uid, 8); + + ret = ioctl(fd, CAP_IOC_AUTHENTICATE, &authenticate); + if (ret < 0) { + printf("Failed to authenticate module: %s (%d)\n", capdev, ret); + ret = -1; + goto close_fd; + } + + printf("Authenticated, result (%02x), sig-size (%02x)\n", + authenticate.result_code, authenticate.signature_size); + +close_fd: + close(fd); + + return ret; +} |