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WiFiClientSecure fail if gethostbyname returns null

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This commit is contained in:
me-no-dev 2017-10-23 16:19:46 +03:00
parent 0c038b4063
commit 4470e28ca1
1 changed files with 5 additions and 4 deletions
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9
libraries/WiFiClientSecure/src/ssl_client.cpp
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@ -43,7 +43,7 @@ void ssl_init(sslclient_context *ssl_client)
int start_ssl_client(sslclient_context *ssl_client, const char *host, uint32_t port, const char *rootCABuff, const char *cli_cert, const char *cli_key) int start_ssl_client(sslclient_context *ssl_client, const char *host, uint32_t port, const char *rootCABuff, const char *cli_cert, const char *cli_key)
{ {
char buf[512]; char buf[512];
int ret, flags, len, timeout; int ret, flags, timeout;
int enable = 1; int enable = 1;
log_v("Free heap before TLS %u", xPortGetFreeHeapSize()); log_v("Free heap before TLS %u", xPortGetFreeHeapSize());
@ -59,7 +59,8 @@ int start_ssl_client(sslclient_context *ssl_client, const char *host, uint32_t p
struct hostent *server; struct hostent *server;
server = gethostbyname(host); server = gethostbyname(host);
if (server == NULL) { if (server == NULL) {
return 0; log_e("gethostbyname failed");
return -1;
} }
IPAddress srv((const uint8_t *)(server->h_addr)); IPAddress srv((const uint8_t *)(server->h_addr));
@ -245,7 +246,7 @@ int send_ssl_data(sslclient_context *ssl_client, const uint8_t *data, uint16_t l
} }
len = ret; len = ret;
log_v("%d bytes written", len); //for low level debug //log_v("%d bytes written", len); //for low level debug
return ret; return ret;
} }
@ -257,6 +258,6 @@ int get_ssl_receive(sslclient_context *ssl_client, uint8_t *data, int length)
ret = mbedtls_ssl_read(&ssl_client->ssl_ctx, data, length); ret = mbedtls_ssl_read(&ssl_client->ssl_ctx, data, length);
log_v( "%d bytes read", ret); //for low level debug //log_v( "%d bytes read", ret); //for low level debug
return ret; return ret;
} }