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kms permission ok if running as root, no pkexec needed

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dec05eba
2023-04-08 05:50:43 +02:00
parent 8d250f7e33
commit be388cda5f
2 changed files with 22 additions and 19 deletions
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37
src/kms/kms_client.c
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@@ -67,29 +67,30 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path, const char
struct sockaddr_un local_addr = {0};
struct sockaddr_un remote_addr = {0};
// TODO: Check if gsr-kms-server is installed
// TODO: Check if pkexec is installed
char server_filepath[PATH_MAX];
snprintf(server_filepath, sizeof(server_filepath), "%s/%s", program_dir, "gsr-kms-server");
int has_perm = 0;
cap_t kms_server_cap = cap_get_file(server_filepath);
if(kms_server_cap) {
cap_flag_value_t res = 0;
cap_get_flag(kms_server_cap, CAP_SYS_ADMIN, CAP_PERMITTED, &res);
if(res == CAP_SET) {
//fprintf(stderr, "has permission!\n");
has_perm = 1;
} else {
//fprintf(stderr, "No permission:(\n");
}
cap_free(kms_server_cap);
if(geteuid() == 0) {
has_perm = 1;
} else {
if(errno == ENODATA)
fprintf(stderr, "gsr info: gsr_kms_client_init: gsr-kms-server is missing sys_admin cap and will require root authentication. To bypass this automatically, run: sudo setcap cap_sys_admin+ep '%s'\n", server_filepath);
else
fprintf(stderr, "failed to get cap\n");
cap_t kms_server_cap = cap_get_file(server_filepath);
if(kms_server_cap) {
cap_flag_value_t res = 0;
cap_get_flag(kms_server_cap, CAP_SYS_ADMIN, CAP_PERMITTED, &res);
if(res == CAP_SET) {
//fprintf(stderr, "has permission!\n");
has_perm = 1;
} else {
//fprintf(stderr, "No permission:(\n");
}
cap_free(kms_server_cap);
} else {
if(errno == ENODATA)
fprintf(stderr, "gsr info: gsr_kms_client_init: gsr-kms-server is missing sys_admin cap and will require root authentication. To bypass this automatically, run: sudo setcap cap_sys_admin+ep '%s'\n", server_filepath);
else
fprintf(stderr, "failed to get cap\n");
}
}
self->card_path = strdup(card_path);