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Merge pull request #3101 from cesanta/tlszero

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workaround causing TLS libs to return zero
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Sergio R. Caprile authored and GitHub committed 2025-04-14 10:40:36 -03:00
2 parents 2557ab2e60 f2fe47e9f7
commit 5cf1523a13
3 files changed
+4
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mongoose.c
+2
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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;
src/tls_mbed.c
+1
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@@ -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)
src/tls_openssl.c
+1
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@@ -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;