[FFmpeg-devel] [PATCH 3/6] lavf/tls_mbedtls: hook up debug message callback
sfan5
sfan5 at live.de
Tue May 21 13:14:59 EEST 2024
Am 17.05.24 um 11:51 schrieb Rémi Denis-Courmont:
> Le 17 mai 2024 11:34:35 GMT+03:00, Sfan5<sfan5 at live.de> a écrit :
>> Signed-off-by: sfan5<sfan5 at live.de>
>> ---
>> libavformat/tls_mbedtls.c | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>>
>> diff --git a/libavformat/tls_mbedtls.c b/libavformat/tls_mbedtls.c
>> index 24c3afd94c..9508fe3436 100644
>> --- a/libavformat/tls_mbedtls.c
>> +++ b/libavformat/tls_mbedtls.c
>> @@ -26,6 +26,7 @@
>> #include <mbedtls/platform.h>
>> #include <mbedtls/ssl.h>
>> #include <mbedtls/x509_crt.h>
>> +#include <mbedtls/debug.h>
>> #ifdef MBEDTLS_PSA_CRYPTO_C
>> #include <psa/crypto.h>
>> #endif
>> @@ -36,6 +37,7 @@
>> #include "tls.h"
>> #include "libavutil/mem.h"
>> #include "libavutil/parseutils.h"
>> +#include "libavutil/avstring.h"
>> typedef struct TLSContext {
>> const AVClass *class;
>> @@ -112,6 +114,13 @@ static int mbedtls_recv(void *ctx, unsigned char *buf, size_t len)
>> return handle_transport_error(h, "ffurl_read", MBEDTLS_ERR_SSL_WANT_READ, ret);
>> }
>> +static void mbedtls_debug(void *ctx, int lvl, const char *file, int line, const char *msg)
>> +{
>> + URLContext *h = (URLContext*) ctx;
>> + int av_lvl = lvl >= 4 ? AV_LOG_TRACE : AV_LOG_DEBUG;
>> + av_log(h, av_lvl, "%s:%d: %s", av_basename(file), line, msg);
>> +}
>> +
>> static void handle_pk_parse_error(URLContext *h, int ret)
>> {
>> switch (ret) {
>> @@ -201,6 +210,11 @@ static int tls_open(URLContext *h, const char *uri, int flags, AVDictionary **op
>> mbedtls_x509_crt_init(&tls_ctx->ca_cert);
>> mbedtls_pk_init(&tls_ctx->priv_key);
>> + if (av_log_get_level() >= AV_LOG_DEBUG) {
>> + mbedtls_ssl_conf_dbg(&tls_ctx->ssl_config, mbedtls_debug, shr->tcp);
>> + mbedtls_debug_set_threshold(4); // maximum
> This doesn't look thread-safe / reentrant.
Indeed. But what alternative is there?
mbedTLS provides only this mechanism to get debug messages from it.
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