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play nicer to intermediate OOMs in OpenSSL

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This commit is contained in:
Sergio R. Caprile
2024-06-14 19:13:01 -03:00
parent 5adbadc901
commit fcd160cc8c
2 changed files with 24 additions and 26 deletions
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mongoose.c
+12 -13
View File
@@ -12497,13 +12497,23 @@ static void ssl_keylog_cb(const SSL *ssl, const char *line) {
}
#endif
void mg_tls_free(struct mg_connection *c) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
if (tls == NULL) return;
SSL_free(tls->ssl);
SSL_CTX_free(tls->ctx);
BIO_meth_free(tls->bm);
free(tls);
c->tls = NULL;
}
void mg_tls_init(struct mg_connection *c, const struct mg_tls_opts *opts) {
struct mg_tls *tls = (struct mg_tls *) calloc(1, sizeof(*tls));
const char *id = "mongoose";
static unsigned char s_initialised = 0;
BIO *bio = NULL;
int rc;
c->tls = tls;
if (tls == NULL) {
mg_error(c, "TLS OOM");
goto fail;
@@ -12603,7 +12613,6 @@ void mg_tls_init(struct mg_connection *c, const struct mg_tls_opts *opts) {
BIO_set_data(bio, c);
SSL_set_bio(tls->ssl, bio, bio);
c->tls = tls;
c->is_tls = 1;
c->is_tls_hs = 1;
if (c->is_client && c->is_resolving == 0 && c->is_connecting == 0) {
@@ -12612,7 +12621,7 @@ void mg_tls_init(struct mg_connection *c, const struct mg_tls_opts *opts) {
MG_DEBUG(("%lu SSL %s OK", c->id, c->is_accepted ? "accept" : "client"));
return;
fail:
free(tls);
mg_tls_free(c);
}
void mg_tls_handshake(struct mg_connection *c) {
@@ -12628,16 +12637,6 @@ void mg_tls_handshake(struct mg_connection *c) {
}
}
void mg_tls_free(struct mg_connection *c) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
if (tls == NULL) return;
SSL_free(tls->ssl);
SSL_CTX_free(tls->ctx);
BIO_meth_free(tls->bm);
free(tls);
c->tls = NULL;
}
size_t mg_tls_pending(struct mg_connection *c) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
return tls == NULL ? 0 : (size_t) SSL_pending(tls->ssl);
src/tls_openssl.c
+12 -13
View File
@@ -106,13 +106,23 @@ static void ssl_keylog_cb(const SSL *ssl, const char *line) {
}
#endif
void mg_tls_free(struct mg_connection *c) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
if (tls == NULL) return;
SSL_free(tls->ssl);
SSL_CTX_free(tls->ctx);
BIO_meth_free(tls->bm);
free(tls);
c->tls = NULL;
}
void mg_tls_init(struct mg_connection *c, const struct mg_tls_opts *opts) {
struct mg_tls *tls = (struct mg_tls *) calloc(1, sizeof(*tls));
const char *id = "mongoose";
static unsigned char s_initialised = 0;
BIO *bio = NULL;
int rc;
c->tls = tls;
if (tls == NULL) {
mg_error(c, "TLS OOM");
goto fail;
@@ -212,7 +222,6 @@ void mg_tls_init(struct mg_connection *c, const struct mg_tls_opts *opts) {
BIO_set_data(bio, c);
SSL_set_bio(tls->ssl, bio, bio);
c->tls = tls;
c->is_tls = 1;
c->is_tls_hs = 1;
if (c->is_client && c->is_resolving == 0 && c->is_connecting == 0) {
@@ -221,7 +230,7 @@ void mg_tls_init(struct mg_connection *c, const struct mg_tls_opts *opts) {
MG_DEBUG(("%lu SSL %s OK", c->id, c->is_accepted ? "accept" : "client"));
return;
fail:
free(tls);
mg_tls_free(c);
}
void mg_tls_handshake(struct mg_connection *c) {
@@ -237,16 +246,6 @@ void mg_tls_handshake(struct mg_connection *c) {
}
}
void mg_tls_free(struct mg_connection *c) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
if (tls == NULL) return;
SSL_free(tls->ssl);
SSL_CTX_free(tls->ctx);
BIO_meth_free(tls->bm);
free(tls);
c->tls = NULL;
}
size_t mg_tls_pending(struct mg_connection *c) {
struct mg_tls *tls = (struct mg_tls *) c->tls;
return tls == NULL ? 0 : (size_t) SSL_pending(tls->ssl);