struct tlv_packet *sys_config_getenv(struct tlv_handler_ctx *ctx)
{
struct tlv_packet *p = tlv_packet_response_result(ctx, TLV_RESULT_SUCCESS);
struct tlv_iterator i = {
.packet = ctx->req,
.value_type = TLV_TYPE_ENV_VARIABLE,
};
char *env_var;
while ((env_var = tlv_packet_iterate_str(&i))) {
char *env_val = getenv(normalize_env_var(env_var));
if (env_val) {
struct tlv_packet *env = tlv_packet_new(TLV_TYPE_ENV_GROUP, 0);
env = tlv_packet_add_str(env, TLV_TYPE_ENV_VARIABLE, env_var);
env = tlv_packet_add_str(env, TLV_TYPE_ENV_VALUE, env_val);
p = tlv_packet_add_child(p, env);
}
}
return p;
}
struct tlv_packet *sys_config_getuid(struct tlv_handler_ctx *ctx)
{
struct tlv_packet *p = tlv_packet_response_result(ctx, TLV_RESULT_SUCCESS);
return tlv_packet_add_fmt(p, TLV_TYPE_USER_NAME,
"uid=%d, gid=%d, euid=%d, egid=%d",
getuid(), geteuid(), getgid(), getegid());
}
struct tlv_packet *sys_config_sysinfo(struct tlv_handler_ctx *ctx)
{
struct mettle *m = ctx->arg;
sigar_sys_info_t sys_info;
if (sigar_sys_info_get(mettle_get_sigar(m), &sys_info) == -1) {
return tlv_packet_response_result(ctx, errno);
}
struct tlv_packet *p = tlv_packet_response_result(ctx, TLV_RESULT_SUCCESS);
p = tlv_packet_add_str(p, TLV_TYPE_COMPUTER_NAME, mettle_get_fqdn(m));
p = tlv_packet_add_fmt(p, TLV_TYPE_OS_NAME, "%s (%s %s)",
sys_info.description, sys_info.name, sys_info.version);
p = tlv_packet_add_str(p, TLV_TYPE_ARCHITECTURE, sys_info.arch);
return p;
}
struct tlv_packet *webcam_list(struct tlv_handler_ctx *ctx)
{
struct tlv_packet *p = tlv_packet_response_result(ctx, TLV_RESULT_SUCCESS);
for (int i=0;i<10;i++) {
int fd = camera_open(i);
if (fd == -1) {
continue;
}
struct v4l2_capability cap;
int result = xioctl(fd, VIDIOC_QUERYCAP, &cap);
if (result == -1) {
if (errno == EINVAL) {
break;
} else {
continue;
}
}
if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
continue;
}
if (!(cap.capabilities & V4L2_CAP_STREAMING)) {
continue;
}
p = tlv_packet_add_str(p, TLV_TYPE_WEBCAM_NAME, (const char*)cap.card);
}
return p;
}
// Read all lines in `/proc/asound/pcm` if one has the `capture` mode enabled, send it
struct tlv_packet *audio_mic_list(struct tlv_handler_ctx *ctx) {
struct tlv_packet *p = tlv_packet_response_result(ctx, TLV_RESULT_SUCCESS);
char *sound_device = NULL;
size_t len = 0;
ssize_t read = 0;
FILE *proc_asound_pcm = fopen("/proc/asound/pcm", "r");
if (proc_asound_pcm == NULL) {
return tlv_packet_response_result(ctx, TLV_RESULT_FAILURE);
}
while ((read = getline(&sound_device, &len, proc_asound_pcm)) != -1) {
if (strstr(sound_device, "capture") != NULL) {
p = tlv_packet_add_str(p, TLV_TYPE_AUDIO_INTERFACE_NAME, sound_device);
}
}
return p;
}
static void add_method(const char *method, void *arg)
{
struct tlv_packet **p = arg;
*p = tlv_packet_add_str(*p, TLV_TYPE_STRING, method);
}
