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Replace spaces with tabs
This commit is contained in:
Sergio Costas Rodriguez
Wim Taymans
parent
fda4addf1e
commit
6506bb2f44
1 changed files with 146 additions and 146 deletions
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@ -18,172 +18,172 @@
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#include <fcntl.h>
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#include <assert.h>
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#define SNAP_LABEL_PREFIX "snap."
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#define SNAP_LABEL_PREFIX "snap."
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static gboolean check_is_same_snap(gchar *snap1, gchar *snap2)
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{
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// Checks if two apparmor labels belong to the same snap
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g_auto(GStrv) strings1 = NULL;
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g_auto(GStrv) strings2 = NULL;
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// Checks if two apparmor labels belong to the same snap
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g_auto(GStrv) strings1 = NULL;
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g_auto(GStrv) strings2 = NULL;
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if (!g_str_has_prefix(snap1, SNAP_LABEL_PREFIX)) {
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return FALSE;
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}
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if (!g_str_has_prefix(snap2, SNAP_LABEL_PREFIX)) {
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return FALSE;
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}
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strings1 = g_strsplit(snap1, ".", 3);
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strings2 = g_strsplit(snap2, ".", 3);
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if (!g_str_has_prefix(snap1, SNAP_LABEL_PREFIX)) {
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return FALSE;
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}
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if (!g_str_has_prefix(snap2, SNAP_LABEL_PREFIX)) {
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return FALSE;
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}
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strings1 = g_strsplit(snap1, ".", 3);
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strings2 = g_strsplit(snap2, ".", 3);
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if (g_str_equal(strings1[1], strings2[1]) && (strings1[1] != NULL)) {
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return TRUE;
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}
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return FALSE;
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if (g_str_equal(strings1[1], strings2[1]) && (strings1[1] != NULL)) {
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return TRUE;
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}
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return FALSE;
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}
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pw_sandbox_access_t pw_snap_get_audio_permissions(struct client *client, int fd, char **app_id)
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{
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g_autofree gchar* aa_label = NULL;
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gchar* snap_id = NULL;
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gchar* snap_confinement = NULL;
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gchar *separator = NULL;
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g_autofree gchar *aacon = NULL;
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gchar *aamode = NULL;
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g_autoptr(SnapdClient) snapdclient = NULL;
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g_autoptr(GPtrArray) plugs = NULL;
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gboolean retv;
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pw_sandbox_access_t permissions = PW_SANDBOX_ACCESS_NONE;
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SnapdPlug **plug = NULL;
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g_autoptr(GError) error = NULL;
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int exit_code;
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g_autofree gchar* aa_label = NULL;
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gchar* snap_id = NULL;
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gchar* snap_confinement = NULL;
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gchar *separator = NULL;
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g_autofree gchar *aacon = NULL;
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gchar *aamode = NULL;
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g_autoptr(SnapdClient) snapdclient = NULL;
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g_autoptr(GPtrArray) plugs = NULL;
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gboolean retv;
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pw_sandbox_access_t permissions = PW_SANDBOX_ACCESS_NONE;
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SnapdPlug **plug = NULL;
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g_autoptr(GError) error = NULL;
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int exit_code;
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*app_id = g_strdup("unknown");
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assert(client != NULL);
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*app_id = g_strdup("unknown");
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assert(client != NULL);
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if (aa_getpeercon(fd, &aa_label, &snap_confinement) == -1) {
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if (errno == EINVAL) {
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// if apparmor isn't enabled, we can safely assume that there are no SNAPs in the system
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return PW_SANDBOX_ACCESS_NOT_A_SANDBOX;
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}
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pw_log_warn("snap_get_audio_permissions: failed to get the AppArmor info.");
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (!g_str_has_prefix(aa_label, SNAP_LABEL_PREFIX)) {
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// not a SNAP.
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pw_log_info("snap_get_audio_permissions: not an snap.");
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return PW_SANDBOX_ACCESS_NOT_A_SANDBOX;
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}
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if (aa_getpeercon(fd, &aa_label, &snap_confinement) == -1) {
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if (errno == EINVAL) {
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// if apparmor isn't enabled, we can safely assume that there are no SNAPs in the system
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return PW_SANDBOX_ACCESS_NOT_A_SANDBOX;
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}
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pw_log_warn("snap_get_audio_permissions: failed to get the AppArmor info.");
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (!g_str_has_prefix(aa_label, SNAP_LABEL_PREFIX)) {
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// not a SNAP.
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pw_log_info("snap_get_audio_permissions: not an snap.");
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return PW_SANDBOX_ACCESS_NOT_A_SANDBOX;
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}
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snap_id = g_strdup(aa_label + strlen(SNAP_LABEL_PREFIX));
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separator = strchr(snap_id, '.');
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if (separator == NULL) {
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pw_log_info("snap_get_audio_permissions: aa_label has only one dot; not a valid ID.");
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return PW_SANDBOX_ACCESS_NONE;
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}
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*separator = 0;
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g_free(*app_id);
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*app_id = snap_id;
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snap_id = g_strdup(aa_label + strlen(SNAP_LABEL_PREFIX));
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separator = strchr(snap_id, '.');
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if (separator == NULL) {
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pw_log_info("snap_get_audio_permissions: aa_label has only one dot; not a valid ID.");
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return PW_SANDBOX_ACCESS_NONE;
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}
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*separator = 0;
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g_free(*app_id);
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*app_id = snap_id;
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// it's a "classic" or a "devmode" confinement snap, so we give it full access
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if (g_str_equal(snap_confinement, "complain")) {
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return PW_SANDBOX_ACCESS_ALL;
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}
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// it's a "classic" or a "devmode" confinement snap, so we give it full access
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if (g_str_equal(snap_confinement, "complain")) {
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return PW_SANDBOX_ACCESS_ALL;
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}
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snapdclient = snapd_client_new();
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if (snapdclient == NULL) {
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pw_log_warn("snap_get_audio_permissions: error creating SnapdClient object.");
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return PW_SANDBOX_ACCESS_NONE;
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}
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snapdclient = snapd_client_new();
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if (snapdclient == NULL) {
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pw_log_warn("snap_get_audio_permissions: error creating SnapdClient object.");
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (aa_getcon(&aacon, &aamode) == -1) {
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pw_log_warn("snap_get_audio_permissions: error checking if pipewire-pulse is inside a snap.");
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return PW_SANDBOX_ACCESS_NONE; // failed to get access to apparmor
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}
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if (aa_getcon(&aacon, &aamode) == -1) {
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pw_log_warn("snap_get_audio_permissions: error checking if pipewire-pulse is inside a snap.");
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return PW_SANDBOX_ACCESS_NONE; // failed to get access to apparmor
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}
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// If pipewire-pulse is inside a snap, use snapctl API
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if (g_str_has_prefix(aacon, SNAP_LABEL_PREFIX)) {
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// If the snap wanting to get access is the same that contains pipewire,
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// give to it full access.
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if (check_is_same_snap(aacon, aa_label))
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return PW_SANDBOX_ACCESS_ALL;
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snapd_client_set_socket_path(snapdclient, "/run/snapd-snap.socket");
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// If pipewire-pulse is inside a snap, use snapctl API
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if (g_str_has_prefix(aacon, SNAP_LABEL_PREFIX)) {
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// If the snap wanting to get access is the same that contains pipewire,
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// give to it full access.
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if (check_is_same_snap(aacon, aa_label))
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return PW_SANDBOX_ACCESS_ALL;
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snapd_client_set_socket_path(snapdclient, "/run/snapd-snap.socket");
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/* Take context from the environment if available */
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const char *context = g_getenv("SNAP_COOKIE");
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if (!context)
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context = "";
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/* Take context from the environment if available */
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const char *context = g_getenv("SNAP_COOKIE");
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if (!context)
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context = "";
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char *snapctl_command[] = { "is-connected", "--apparmor-label", aa_label, "pulseaudio", NULL };
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if (!snapd_client_run_snapctl2_sync(snapdclient, context, (char **) snapctl_command, NULL, NULL, &exit_code, NULL, &error)) {
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pw_log_warn("snap_get_audio_permissions: error summoning snapctl2 for pulseaudio interface: %s", error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (exit_code != 1) {
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// 0 = Connected
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// 10 = Classic environment
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// 11 = Not a snap
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return PW_SANDBOX_ACCESS_ALL;
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}
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char *snapctl_command2[] = { "is-connected", "--apparmor-label", aa_label, "audio-record", NULL };
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if (!snapd_client_run_snapctl2_sync(snapdclient, context, (char **) snapctl_command2, NULL, NULL, &exit_code, NULL, &error)) {
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pw_log_warn("snap_get_audio_permissions: error summoning snapctl2 for audio-record interface: %s", error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (exit_code == 1) {
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return PW_SANDBOX_ACCESS_PLAYBACK;
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}
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return PW_SANDBOX_ACCESS_ALL;
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}
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char *snapctl_command[] = { "is-connected", "--apparmor-label", aa_label, "pulseaudio", NULL };
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if (!snapd_client_run_snapctl2_sync(snapdclient, context, (char **) snapctl_command, NULL, NULL, &exit_code, NULL, &error)) {
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pw_log_warn("snap_get_audio_permissions: error summoning snapctl2 for pulseaudio interface: %s", error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (exit_code != 1) {
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// 0 = Connected
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// 10 = Classic environment
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// 11 = Not a snap
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return PW_SANDBOX_ACCESS_ALL;
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}
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char *snapctl_command2[] = { "is-connected", "--apparmor-label", aa_label, "audio-record", NULL };
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if (!snapd_client_run_snapctl2_sync(snapdclient, context, (char **) snapctl_command2, NULL, NULL, &exit_code, NULL, &error)) {
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pw_log_warn("snap_get_audio_permissions: error summoning snapctl2 for audio-record interface: %s", error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (exit_code == 1) {
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return PW_SANDBOX_ACCESS_PLAYBACK;
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}
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return PW_SANDBOX_ACCESS_ALL;
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}
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retv = snapd_client_get_connections2_sync(snapdclient,
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SNAPD_GET_CONNECTIONS_FLAGS_NONE,
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snap_id,
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NULL,
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NULL,
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NULL,
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&plugs,
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NULL,
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NULL,
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&error);
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if (retv == FALSE) {
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pw_log_warn("Failed to get Snap connections for snap %s: %s\n", snap_id, error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (plugs == NULL) {
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pw_log_warn("Failed to get Snap connections for snap %s: %s\n", snap_id, error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (plugs->pdata == NULL) {
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pw_log_warn("Failed to get Snap connections for snap %s: %s\n", snap_id, error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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retv = snapd_client_get_connections2_sync(snapdclient,
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SNAPD_GET_CONNECTIONS_FLAGS_NONE,
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snap_id,
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NULL,
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NULL,
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NULL,
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&plugs,
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NULL,
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NULL,
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&error);
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if (retv == FALSE) {
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pw_log_warn("Failed to get Snap connections for snap %s: %s\n", snap_id, error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (plugs == NULL) {
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pw_log_warn("Failed to get Snap connections for snap %s: %s\n", snap_id, error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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if (plugs->pdata == NULL) {
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pw_log_warn("Failed to get Snap connections for snap %s: %s\n", snap_id, error->message);
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return PW_SANDBOX_ACCESS_NONE;
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}
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plug = (SnapdPlug **)plugs->pdata;
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for (guint p = 0; p < plugs->len; p++, plug++) {
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pw_sandbox_access_t add_permission;
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const gchar *plug_name = snapd_plug_get_name(*plug);
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if (g_str_equal("audio-record", plug_name)) {
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add_permission = PW_SANDBOX_ACCESS_RECORD;
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} else if (g_str_equal("audio-playback", plug_name)) {
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add_permission = PW_SANDBOX_ACCESS_PLAYBACK;
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} else if (g_str_equal("pulseaudio", plug_name)) {
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add_permission = PW_SANDBOX_ACCESS_ALL;
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} else {
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continue;
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}
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GPtrArray *slots = snapd_plug_get_connected_slots(*plug);
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if (slots == NULL)
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continue;
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SnapdSlotRef **slot = (SnapdSlotRef**) slots->pdata;
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plug = (SnapdPlug **)plugs->pdata;
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for (guint p = 0; p < plugs->len; p++, plug++) {
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pw_sandbox_access_t add_permission;
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const gchar *plug_name = snapd_plug_get_name(*plug);
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if (g_str_equal("audio-record", plug_name)) {
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add_permission = PW_SANDBOX_ACCESS_RECORD;
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} else if (g_str_equal("audio-playback", plug_name)) {
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add_permission = PW_SANDBOX_ACCESS_PLAYBACK;
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} else if (g_str_equal("pulseaudio", plug_name)) {
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add_permission = PW_SANDBOX_ACCESS_ALL;
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} else {
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continue;
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}
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GPtrArray *slots = snapd_plug_get_connected_slots(*plug);
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if (slots == NULL)
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continue;
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SnapdSlotRef **slot = (SnapdSlotRef**) slots->pdata;
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for (guint q = 0; q < slots->len; q++, slot++) {
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const gchar *slot_name = snapd_slot_ref_get_slot(*slot);
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const gchar *snap_name = snapd_slot_ref_get_snap(*slot);
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if (g_str_equal(snap_name, "snapd") &&
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g_str_equal(slot_name, plug_name))
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permissions |= add_permission;
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}
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}
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for (guint q = 0; q < slots->len; q++, slot++) {
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const gchar *slot_name = snapd_slot_ref_get_slot(*slot);
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const gchar *snap_name = snapd_slot_ref_get_snap(*slot);
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if (g_str_equal(snap_name, "snapd") &&
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g_str_equal(slot_name, plug_name))
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permissions |= add_permission;
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}
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}
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return permissions;
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return permissions;
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}
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