diff options
Diffstat (limited to 'src/dbus.c')
| -rw-r--r-- | src/dbus.c | 56 |
1 files changed, 54 insertions, 2 deletions
@@ -1,5 +1,6 @@ #include "../include/dbus.h" -#include "../include/utils.h" + +#include <sys/random.h> #include <stdio.h> #include <string.h> @@ -28,6 +29,25 @@ typedef struct { }; } dict_entry; +static bool generate_random_characters(char *buffer, int buffer_size, const char *alphabet, size_t alphabet_size) { + /* TODO: Use other functions on other platforms than linux */ + if(getrandom(buffer, buffer_size, 0) < buffer_size) { + fprintf(stderr, "Failed to get random bytes, error: %s\n", strerror(errno)); + return false; + } + + for(int i = 0; i < buffer_size; ++i) { + unsigned char c = *(unsigned char*)&buffer[i]; + buffer[i] = alphabet[c % alphabet_size]; + } + + return true; +} + +static bool generate_random_characters_standard_alphabet(char *buffer, int buffer_size) { + return generate_random_characters(buffer, buffer_size, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 62); +} + static const char* dict_value_type_to_string(dict_value_type type) { switch(type) { case DICT_TYPE_STRING: return "string"; @@ -614,9 +634,41 @@ int gsr_dbus_screencast_create_session(gsr_dbus *self, char **session_handle) { return 0; } -int gsr_dbus_screencast_select_sources(gsr_dbus *self, const char *session_handle, gsr_portal_capture_type capture_type, gsr_portal_cursor_mode cursor_mode) { +static uint32_t unset_unsupported_capture_types(uint32_t requested_capture_types, uint32_t available_capture_types) { + if(!(available_capture_types & GSR_PORTAL_CAPTURE_TYPE_MONITOR)) + requested_capture_types &= ~GSR_PORTAL_CAPTURE_TYPE_MONITOR; + if(!(available_capture_types & GSR_PORTAL_CAPTURE_TYPE_WINDOW)) + requested_capture_types &= ~GSR_PORTAL_CAPTURE_TYPE_WINDOW; + if(!(available_capture_types & GSR_PORTAL_CAPTURE_TYPE_VIRTUAL)) + requested_capture_types &= ~GSR_PORTAL_CAPTURE_TYPE_VIRTUAL; + return requested_capture_types; +} + +static uint32_t unset_unsupported_cursor_modes(uint32_t requested_cursor_modes, uint32_t available_cursor_modes) { + if(!(available_cursor_modes & GSR_PORTAL_CURSOR_MODE_HIDDEN)) + requested_cursor_modes &= ~GSR_PORTAL_CURSOR_MODE_HIDDEN; + if(!(available_cursor_modes & GSR_PORTAL_CURSOR_MODE_EMBEDDED)) + requested_cursor_modes &= ~GSR_PORTAL_CURSOR_MODE_EMBEDDED; + if(!(available_cursor_modes & GSR_PORTAL_CURSOR_MODE_METADATA)) + requested_cursor_modes &= ~GSR_PORTAL_CURSOR_MODE_METADATA; + return requested_cursor_modes; +} + +int gsr_dbus_screencast_select_sources(gsr_dbus *self, const char *session_handle, uint32_t capture_type, uint32_t cursor_mode) { assert(session_handle); + uint32_t available_source_types = 0; + gsr_dbus_desktop_portal_get_property(self, "org.freedesktop.portal.ScreenCast", "AvailableSourceTypes", &available_source_types); + if(available_source_types == 0) + fprintf(stderr, "gsr error: gsr_dbus_screencast_select_sources: no source types are available\n"); + capture_type = unset_unsupported_capture_types(capture_type, available_source_types); + + uint32_t available_cursor_modes = 0; + gsr_dbus_desktop_portal_get_property(self, "org.freedesktop.portal.ScreenCast", "AvailableCursorModes", &available_cursor_modes); + if(available_cursor_modes == 0) + fprintf(stderr, "gsr error: gsr_dbus_screencast_select_sources: no cursors modes are available\n"); + cursor_mode = unset_unsupported_cursor_modes(cursor_mode, available_cursor_modes); + char handle_token[64]; gsr_dbus_portal_get_unique_handle_token(self, handle_token, sizeof(handle_token)); |