4896ad0680
spa_json_get_string() will never write more than maxlen. Use spa_json_parse_stringn() to perform destination length checking.
77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/* WirePlumber
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*
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* Copyright © 2021 Collabora Ltd.
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* @author George Kiagiadakis <george.kiagiadakis@collabora.com>
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <glib.h>
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#include <errno.h>
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#include <spa/utils/json.h>
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enum {
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AUDIO_SINK,
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AUDIO_SOURCE,
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VIDEO_SOURCE,
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N_DEFAULT_NODES
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};
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static const gchar * DEFAULT_KEY[N_DEFAULT_NODES] = {
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[AUDIO_SINK] = "default.audio.sink",
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[AUDIO_SOURCE] = "default.audio.source",
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[VIDEO_SOURCE] = "default.video.source",
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};
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static const gchar * NODE_TYPE_STR[N_DEFAULT_NODES] = {
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[AUDIO_SINK] = "Audio/Sink",
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[AUDIO_SOURCE] = "Audio/Source",
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[VIDEO_SOURCE] = "Video/Source",
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};
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#if COMPILING_MODULE_DEFAULT_NODES
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static const gchar * DEFAULT_CONFIG_KEY[N_DEFAULT_NODES] = {
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[AUDIO_SINK] = "default.configured.audio.sink",
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[AUDIO_SOURCE] = "default.configured.audio.source",
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[VIDEO_SOURCE] = "default.configured.video.source",
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};
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static const gchar * MEDIA_CLASS_MATCH[N_DEFAULT_NODES] = {
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[AUDIO_SINK] = "Audio/*",
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[AUDIO_SOURCE] = "Audio/*",
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[VIDEO_SOURCE] = "Video/*",
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};
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static const gchar * N_PORTS_KEY[N_DEFAULT_NODES] = {
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[AUDIO_SINK] = "n-input-ports",
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[AUDIO_SOURCE] = "n-output-ports",
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[VIDEO_SOURCE] = "n-output-ports",
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};
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#endif
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static int
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json_object_find (const char *obj, const char *key, char *value, size_t len)
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{
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struct spa_json it[2];
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const char *v;
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char k[128];
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spa_json_init(&it[0], obj, strlen(obj));
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if (spa_json_enter_object(&it[0], &it[1]) <= 0)
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return -EINVAL;
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while (spa_json_get_string(&it[1], k, sizeof(k)) > 0) {
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if (strcmp(k, key) == 0) {
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if (spa_json_get_string(&it[1], value, len) <= 0)
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continue;
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return 0;
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} else {
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if (spa_json_next(&it[1], &v) <= 0)
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break;
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}
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}
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return -ENOENT;
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}
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