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workaround causing TLS libs to return zero

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This commit is contained in:
Sergio R. Caprile 2025-04-11 14:42:15 -03:00
parent 2557ab2e60
commit f2fe47e9f7
3 changed files with 4 additions and 0 deletions
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2
mongoose.c
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@ -13619,6 +13619,7 @@ size_t mg_tls_pending(struct mg_connection *c) {
long mg_tls_recv(struct mg_connection *c, void *buf, size_t len) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
long n = mbedtls_ssl_read(&tls->ssl, (unsigned char *) buf, len);
if (!c->is_tls_hs && buf == NULL && n == 0) return 0; // TODO(): MIP
if (n == MBEDTLS_ERR_SSL_WANT_READ || n == MBEDTLS_ERR_SSL_WANT_WRITE)
return MG_IO_WAIT;
#if defined(MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET)
@ -13937,6 +13938,7 @@ size_t mg_tls_pending(struct mg_connection *c) {
long mg_tls_recv(struct mg_connection *c, void *buf, size_t len) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
int n = SSL_read(tls->ssl, buf, (int) len);
if (!c->is_tls_hs && buf == NULL && n == 0) return 0; // TODO(): MIP
if (n < 0 && mg_tls_err(c, tls, n) == 0) return MG_IO_WAIT;
if (n <= 0) return MG_IO_ERR;
return n;

1
src/tls_mbed.c
View File

@ -177,6 +177,7 @@ size_t mg_tls_pending(struct mg_connection *c) {
long mg_tls_recv(struct mg_connection *c, void *buf, size_t len) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
long n = mbedtls_ssl_read(&tls->ssl, (unsigned char *) buf, len);
if (!c->is_tls_hs && buf == NULL && n == 0) return 0; // TODO(): MIP
if (n == MBEDTLS_ERR_SSL_WANT_READ || n == MBEDTLS_ERR_SSL_WANT_WRITE)
return MG_IO_WAIT;
#if defined(MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET)

1
src/tls_openssl.c
View File

@ -256,6 +256,7 @@ size_t mg_tls_pending(struct mg_connection *c) {
long mg_tls_recv(struct mg_connection *c, void *buf, size_t len) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
int n = SSL_read(tls->ssl, buf, (int) len);
if (!c->is_tls_hs && buf == NULL && n == 0) return 0; // TODO(): MIP
if (n < 0 && mg_tls_err(c, tls, n) == 0) return MG_IO_WAIT;
if (n <= 0) return MG_IO_ERR;
return n;