| Message ID | 20241024112449.1362319-3-ilias.apalodimas@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Enable https for wget | expand |
On 10/24/24 12:24, Ilias Apalodimas wrote: > From: Javier Tia <javier.tia@linaro.org> > > The current code support mbedTLS 2.28. Since we are using a newer > version in U-Boot, update the necessary accessors and the lwIP codebase > to work with mbedTLS 3.6.0. It's worth noting that the patches are > already sent to lwIP [0] > > While at it enable LWIP_ALTCP_TLS and enable TLS support in lwIP > > [0] https://github.com/lwip-tcpip/lwip/pull/47 > > Signed-off-by: Javier Tia <javier.tia@linaro.org> > Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> > --- > lib/lwip/Makefile | 3 ++ > .../src/apps/altcp_tls/altcp_tls_mbedtls.c | 39 ++++++++++++------- > lib/lwip/lwip/src/core/tcp_out.c | 10 +---- > lib/lwip/u-boot/lwipopts.h | 6 +++ > 4 files changed, 34 insertions(+), 24 deletions(-) > > diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile > index dfcd700ca474..19e5c6897f5a 100644 > --- a/lib/lwip/Makefile > +++ b/lib/lwip/Makefile > @@ -53,3 +53,6 @@ obj-y += \ > lwip/src/core/timeouts.o \ > lwip/src/core/udp.o \ > lwip/src/netif/ethernet.o > + > +obj-$(CONFIG_MBEDTLS_LIB_TLS) += lwip/src/apps/altcp_tls/altcp_tls_mbedtls.o \ > + lwip/src/apps/altcp_tls/altcp_tls_mbedtls_mem.o > diff --git a/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c b/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c > index a8c2fc2ee2cd..ef19821b89e0 100644 > --- a/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c > +++ b/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c > @@ -3,7 +3,7 @@ > * Application layered TCP/TLS connection API (to be used from TCPIP thread) > * > * This file provides a TLS layer using mbedTLS > - * > + * Unrelated formatting change, do we want to do this in a separate patch maybe? > * This version is currently compatible with the 2.x.x branch (current LTS). > */ > > @@ -70,7 +70,6 @@ > /* @todo: which includes are really needed? */ > #include "mbedtls/entropy.h" > #include "mbedtls/ctr_drbg.h" > -#include "mbedtls/certs.h" > #include "mbedtls/x509.h" > #include "mbedtls/ssl.h" > #include "mbedtls/net_sockets.h" > @@ -81,8 +80,6 @@ > #include "mbedtls/ssl_cache.h" > #include "mbedtls/ssl_ticket.h" > > -#include "mbedtls/ssl_internal.h" /* to call mbedtls_flush_output after ERR_MEM */ > - > #include <string.h> > > #ifndef ALTCP_MBEDTLS_ENTROPY_PTR > @@ -132,6 +129,16 @@ static err_t altcp_mbedtls_lower_recv_process(struct altcp_pcb *conn, altcp_mbed > static err_t altcp_mbedtls_handle_rx_appldata(struct altcp_pcb *conn, altcp_mbedtls_state_t *state); > static int altcp_mbedtls_bio_send(void *ctx, const unsigned char *dataptr, size_t size); > > +static void > +altcp_mbedtls_flush_output(altcp_mbedtls_state_t *state) > +{ > + if (state->ssl_context.MBEDTLS_PRIVATE(out_left) != 0) { > + int flushed = mbedtls_ssl_send_alert_message(&state->ssl_context, 0, 0); > + if (flushed) { > + LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_ssl_send_alert_message failed: %d\n", flushed)); > + } > + } > +} > > /* callback functions from inner/lower connection: */ > > @@ -524,14 +531,14 @@ altcp_mbedtls_lower_sent(void *arg, struct altcp_pcb *inner_conn, u16_t len) > LWIP_ASSERT("state", state != NULL); > LWIP_ASSERT("pcb mismatch", conn->inner_conn == inner_conn); > /* calculate TLS overhead part to not send it to application */ > - overhead = state->overhead_bytes_adjust + state->ssl_context.out_left; > + overhead = state->overhead_bytes_adjust + state->ssl_context.MBEDTLS_PRIVATE(out_left); > if ((unsigned)overhead > len) { > overhead = len; > } > /* remove ACKed bytes from overhead adjust counter */ > state->overhead_bytes_adjust -= len; > /* try to send more if we failed before (may increase overhead adjust counter) */ > - mbedtls_ssl_flush_output(&state->ssl_context); > + altcp_mbedtls_flush_output(state); > /* remove calculated overhead from ACKed bytes len */ > app_len = len - (u16_t)overhead; > /* update application write counter and inform application */ > @@ -559,7 +566,7 @@ altcp_mbedtls_lower_poll(void *arg, struct altcp_pcb *inner_conn) > if (conn->state) { > altcp_mbedtls_state_t *state = (altcp_mbedtls_state_t *)conn->state; > /* try to send more if we failed before */ > - mbedtls_ssl_flush_output(&state->ssl_context); > + altcp_mbedtls_flush_output(state); > if (altcp_mbedtls_handle_rx_appldata(conn, state) == ERR_ABRT) { > return ERR_ABRT; > } > @@ -683,7 +690,7 @@ altcp_tls_set_session(struct altcp_pcb *conn, struct altcp_tls_session *session) > if (session && conn && conn->state) { > altcp_mbedtls_state_t *state = (altcp_mbedtls_state_t *)conn->state; > int ret = -1; > - if (session->data.start) > + if (session->data.MBEDTLS_PRIVATE(start)) > ret = mbedtls_ssl_set_session(&state->ssl_context, &session->data); > return ret < 0 ? ERR_VAL : ERR_OK; > } > @@ -776,7 +783,7 @@ altcp_tls_create_config(int is_server, u8_t cert_count, u8_t pkey_count, int hav > struct altcp_tls_config *conf; > mbedtls_x509_crt *mem; > > - if (TCP_WND < MBEDTLS_SSL_MAX_CONTENT_LEN) { > + if (TCP_WND < MBEDTLS_SSL_IN_CONTENT_LEN || TCP_WND < MBEDTLS_SSL_OUT_CONTENT_LEN) { > LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG|LWIP_DBG_LEVEL_SERIOUS, > ("altcp_tls: TCP_WND is smaller than the RX decrypion buffer, connection RX might stall!\n")); > } > @@ -900,7 +907,7 @@ err_t altcp_tls_config_server_add_privkey_cert(struct altcp_tls_config *config, > return ERR_VAL; > } > > - ret = mbedtls_pk_parse_key(pkey, (const unsigned char *) privkey, privkey_len, privkey_pass, privkey_pass_len); > + ret = mbedtls_pk_parse_key(pkey, (const unsigned char *) privkey, privkey_len, privkey_pass, privkey_pass_len, mbedtls_ctr_drbg_random, &altcp_tls_entropy_rng->ctr_drbg); > if (ret != 0) { > LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_pk_parse_public_key failed: %d\n", ret)); > mbedtls_x509_crt_free(srvcert); > @@ -1003,7 +1010,7 @@ altcp_tls_create_config_client_2wayauth(const u8_t *ca, size_t ca_len, const u8_ > } > > mbedtls_pk_init(conf->pkey); > - ret = mbedtls_pk_parse_key(conf->pkey, privkey, privkey_len, privkey_pass, privkey_pass_len); > + ret = mbedtls_pk_parse_key(conf->pkey, privkey, privkey_len, privkey_pass, privkey_pass_len, mbedtls_ctr_drbg_random, &altcp_tls_entropy_rng->ctr_drbg); > if (ret != 0) { > LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_pk_parse_key failed: %d 0x%x\n", ret, -1*ret)); > altcp_tls_free_config(conf); > @@ -1189,7 +1196,7 @@ altcp_mbedtls_sndbuf(struct altcp_pcb *conn) > size_t ret; > #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) > /* @todo: adjust ssl_added to real value related to negotiated cipher */ > - size_t max_frag_len = mbedtls_ssl_get_max_frag_len(&state->ssl_context); > + size_t max_frag_len = mbedtls_ssl_get_max_in_record_payload(&state->ssl_context); > max_len = LWIP_MIN(max_frag_len, max_len); > #endif > /* Adjust sndbuf of inner_conn with what added by SSL */ > @@ -1232,9 +1239,9 @@ altcp_mbedtls_write(struct altcp_pcb *conn, const void *dataptr, u16_t len, u8_t > /* HACK: if there is something left to send, try to flush it and only > allow sending more if this succeeded (this is a hack because neither > returning 0 nor MBEDTLS_ERR_SSL_WANT_WRITE worked for me) */ > - if (state->ssl_context.out_left) { > - mbedtls_ssl_flush_output(&state->ssl_context); > - if (state->ssl_context.out_left) { > + if (state->ssl_context.MBEDTLS_PRIVATE(out_left)) { > + altcp_mbedtls_flush_output(state); > + if (state->ssl_context.MBEDTLS_PRIVATE(out_left)) { > return ERR_MEM; > } > } > @@ -1284,6 +1291,8 @@ altcp_mbedtls_bio_send(void *ctx, const unsigned char *dataptr, size_t size) > while (size_left) { > u16_t write_len = (u16_t)LWIP_MIN(size_left, 0xFFFF); > err_t err = altcp_write(conn->inner_conn, (const void *)dataptr, write_len, apiflags); > + /* try to send data... */ > + altcp_output(conn->inner_conn); > if (err == ERR_OK) { > written += write_len; > size_left -= write_len; > diff --git a/lib/lwip/lwip/src/core/tcp_out.c b/lib/lwip/lwip/src/core/tcp_out.c > index 64579ee5cbd8..b5d312137368 100644 > --- a/lib/lwip/lwip/src/core/tcp_out.c > +++ b/lib/lwip/lwip/src/core/tcp_out.c > @@ -1255,14 +1255,6 @@ tcp_output(struct tcp_pcb *pcb) > LWIP_ASSERT("don't call tcp_output for listen-pcbs", > pcb->state != LISTEN); > > - /* First, check if we are invoked by the TCP input processing > - code. If so, we do not output anything. Instead, we rely on the > - input processing code to call us when input processing is done > - with. */ > - if (tcp_input_pcb == pcb) { > - return ERR_OK; > - } > - > wnd = LWIP_MIN(pcb->snd_wnd, pcb->cwnd); > > seg = pcb->unsent; > @@ -2036,7 +2028,7 @@ tcp_rst(const struct tcp_pcb *pcb, u32_t seqno, u32_t ackno, > u16_t local_port, u16_t remote_port) > { > struct pbuf *p; > - > + Unrelated formatting change > p = tcp_rst_common(pcb, seqno, ackno, local_ip, remote_ip, local_port, remote_port); > if (p != NULL) { > tcp_output_control_segment(pcb, p, local_ip, remote_ip); > diff --git a/lib/lwip/u-boot/lwipopts.h b/lib/lwip/u-boot/lwipopts.h > index 9d618625facb..88d6faf327ae 100644 > --- a/lib/lwip/u-boot/lwipopts.h > +++ b/lib/lwip/u-boot/lwipopts.h > @@ -154,4 +154,10 @@ > #define MEMP_MEM_INIT 1 > #define MEM_LIBC_MALLOC 1 > > +#if defined(CONFIG_MBEDTLS_LIB_TLS) > +#define LWIP_ALTCP 1 > +#define LWIP_ALTCP_TLS 1 > +#define LWIP_ALTCP_TLS_MBEDTLS 1 > +#endif > + > #endif /* LWIP_UBOOT_LWIPOPTS_H */ Acked-by: Jerome Forissier <jerome.forissier@linaro.org> Thanks,
On Wed, 6 Nov 2024 at 13:37, Jerome Forissier <jerome.forissier@linaro.org> wrote: > > > > On 10/24/24 12:24, Ilias Apalodimas wrote: > > From: Javier Tia <javier.tia@linaro.org> > > > > The current code support mbedTLS 2.28. Since we are using a newer > > version in U-Boot, update the necessary accessors and the lwIP codebase > > to work with mbedTLS 3.6.0. It's worth noting that the patches are > > already sent to lwIP [0] > > > > While at it enable LWIP_ALTCP_TLS and enable TLS support in lwIP > > > > [0] https://github.com/lwip-tcpip/lwip/pull/47 > > > > Signed-off-by: Javier Tia <javier.tia@linaro.org> > > Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> > > --- > > lib/lwip/Makefile | 3 ++ > > .../src/apps/altcp_tls/altcp_tls_mbedtls.c | 39 ++++++++++++------- > > lib/lwip/lwip/src/core/tcp_out.c | 10 +---- > > lib/lwip/u-boot/lwipopts.h | 6 +++ > > 4 files changed, 34 insertions(+), 24 deletions(-) > > > > diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile > > index dfcd700ca474..19e5c6897f5a 100644 > > --- a/lib/lwip/Makefile > > +++ b/lib/lwip/Makefile > > @@ -53,3 +53,6 @@ obj-y += \ > > lwip/src/core/timeouts.o \ > > lwip/src/core/udp.o \ > > lwip/src/netif/ethernet.o > > + > > +obj-$(CONFIG_MBEDTLS_LIB_TLS) += lwip/src/apps/altcp_tls/altcp_tls_mbedtls.o \ > > + lwip/src/apps/altcp_tls/altcp_tls_mbedtls_mem.o > > diff --git a/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c b/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c > > index a8c2fc2ee2cd..ef19821b89e0 100644 > > --- a/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c > > +++ b/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c > > @@ -3,7 +3,7 @@ > > * Application layered TCP/TLS connection API (to be used from TCPIP thread) > > * > > * This file provides a TLS layer using mbedTLS > > - * > > + * > > Unrelated formatting change, do we want to do this in a separate patch maybe? > > > * This version is currently compatible with the 2.x.x branch (current LTS). > > */ > > > > @@ -70,7 +70,6 @@ > > /* @todo: which includes are really needed? */ > > #include "mbedtls/entropy.h" > > #include "mbedtls/ctr_drbg.h" > > -#include "mbedtls/certs.h" > > #include "mbedtls/x509.h" > > #include "mbedtls/ssl.h" > > #include "mbedtls/net_sockets.h" > > @@ -81,8 +80,6 @@ > > #include "mbedtls/ssl_cache.h" > > #include "mbedtls/ssl_ticket.h" > > > > -#include "mbedtls/ssl_internal.h" /* to call mbedtls_flush_output after ERR_MEM */ > > - > > #include <string.h> > > > > #ifndef ALTCP_MBEDTLS_ENTROPY_PTR > > @@ -132,6 +129,16 @@ static err_t altcp_mbedtls_lower_recv_process(struct altcp_pcb *conn, altcp_mbed > > static err_t altcp_mbedtls_handle_rx_appldata(struct altcp_pcb *conn, altcp_mbedtls_state_t *state); > > static int altcp_mbedtls_bio_send(void *ctx, const unsigned char *dataptr, size_t size); > > > > +static void > > +altcp_mbedtls_flush_output(altcp_mbedtls_state_t *state) > > +{ > > + if (state->ssl_context.MBEDTLS_PRIVATE(out_left) != 0) { > > + int flushed = mbedtls_ssl_send_alert_message(&state->ssl_context, 0, 0); > > + if (flushed) { > > + LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_ssl_send_alert_message failed: %d\n", flushed)); > > + } > > + } > > +} > > > > /* callback functions from inner/lower connection: */ > > > > @@ -524,14 +531,14 @@ altcp_mbedtls_lower_sent(void *arg, struct altcp_pcb *inner_conn, u16_t len) > > LWIP_ASSERT("state", state != NULL); > > LWIP_ASSERT("pcb mismatch", conn->inner_conn == inner_conn); > > /* calculate TLS overhead part to not send it to application */ > > - overhead = state->overhead_bytes_adjust + state->ssl_context.out_left; > > + overhead = state->overhead_bytes_adjust + state->ssl_context.MBEDTLS_PRIVATE(out_left); > > if ((unsigned)overhead > len) { > > overhead = len; > > } > > /* remove ACKed bytes from overhead adjust counter */ > > state->overhead_bytes_adjust -= len; > > /* try to send more if we failed before (may increase overhead adjust counter) */ > > - mbedtls_ssl_flush_output(&state->ssl_context); > > + altcp_mbedtls_flush_output(state); > > /* remove calculated overhead from ACKed bytes len */ > > app_len = len - (u16_t)overhead; > > /* update application write counter and inform application */ > > @@ -559,7 +566,7 @@ altcp_mbedtls_lower_poll(void *arg, struct altcp_pcb *inner_conn) > > if (conn->state) { > > altcp_mbedtls_state_t *state = (altcp_mbedtls_state_t *)conn->state; > > /* try to send more if we failed before */ > > - mbedtls_ssl_flush_output(&state->ssl_context); > > + altcp_mbedtls_flush_output(state); > > if (altcp_mbedtls_handle_rx_appldata(conn, state) == ERR_ABRT) { > > return ERR_ABRT; > > } > > @@ -683,7 +690,7 @@ altcp_tls_set_session(struct altcp_pcb *conn, struct altcp_tls_session *session) > > if (session && conn && conn->state) { > > altcp_mbedtls_state_t *state = (altcp_mbedtls_state_t *)conn->state; > > int ret = -1; > > - if (session->data.start) > > + if (session->data.MBEDTLS_PRIVATE(start)) > > ret = mbedtls_ssl_set_session(&state->ssl_context, &session->data); > > return ret < 0 ? ERR_VAL : ERR_OK; > > } > > @@ -776,7 +783,7 @@ altcp_tls_create_config(int is_server, u8_t cert_count, u8_t pkey_count, int hav > > struct altcp_tls_config *conf; > > mbedtls_x509_crt *mem; > > > > - if (TCP_WND < MBEDTLS_SSL_MAX_CONTENT_LEN) { > > + if (TCP_WND < MBEDTLS_SSL_IN_CONTENT_LEN || TCP_WND < MBEDTLS_SSL_OUT_CONTENT_LEN) { > > LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG|LWIP_DBG_LEVEL_SERIOUS, > > ("altcp_tls: TCP_WND is smaller than the RX decrypion buffer, connection RX might stall!\n")); > > } > > @@ -900,7 +907,7 @@ err_t altcp_tls_config_server_add_privkey_cert(struct altcp_tls_config *config, > > return ERR_VAL; > > } > > > > - ret = mbedtls_pk_parse_key(pkey, (const unsigned char *) privkey, privkey_len, privkey_pass, privkey_pass_len); > > + ret = mbedtls_pk_parse_key(pkey, (const unsigned char *) privkey, privkey_len, privkey_pass, privkey_pass_len, mbedtls_ctr_drbg_random, &altcp_tls_entropy_rng->ctr_drbg); > > if (ret != 0) { > > LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_pk_parse_public_key failed: %d\n", ret)); > > mbedtls_x509_crt_free(srvcert); > > @@ -1003,7 +1010,7 @@ altcp_tls_create_config_client_2wayauth(const u8_t *ca, size_t ca_len, const u8_ > > } > > > > mbedtls_pk_init(conf->pkey); > > - ret = mbedtls_pk_parse_key(conf->pkey, privkey, privkey_len, privkey_pass, privkey_pass_len); > > + ret = mbedtls_pk_parse_key(conf->pkey, privkey, privkey_len, privkey_pass, privkey_pass_len, mbedtls_ctr_drbg_random, &altcp_tls_entropy_rng->ctr_drbg); > > if (ret != 0) { > > LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_pk_parse_key failed: %d 0x%x\n", ret, -1*ret)); > > altcp_tls_free_config(conf); > > @@ -1189,7 +1196,7 @@ altcp_mbedtls_sndbuf(struct altcp_pcb *conn) > > size_t ret; > > #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) > > /* @todo: adjust ssl_added to real value related to negotiated cipher */ > > - size_t max_frag_len = mbedtls_ssl_get_max_frag_len(&state->ssl_context); > > + size_t max_frag_len = mbedtls_ssl_get_max_in_record_payload(&state->ssl_context); > > max_len = LWIP_MIN(max_frag_len, max_len); > > #endif > > /* Adjust sndbuf of inner_conn with what added by SSL */ > > @@ -1232,9 +1239,9 @@ altcp_mbedtls_write(struct altcp_pcb *conn, const void *dataptr, u16_t len, u8_t > > /* HACK: if there is something left to send, try to flush it and only > > allow sending more if this succeeded (this is a hack because neither > > returning 0 nor MBEDTLS_ERR_SSL_WANT_WRITE worked for me) */ > > - if (state->ssl_context.out_left) { > > - mbedtls_ssl_flush_output(&state->ssl_context); > > - if (state->ssl_context.out_left) { > > + if (state->ssl_context.MBEDTLS_PRIVATE(out_left)) { > > + altcp_mbedtls_flush_output(state); > > + if (state->ssl_context.MBEDTLS_PRIVATE(out_left)) { > > return ERR_MEM; > > } > > } > > @@ -1284,6 +1291,8 @@ altcp_mbedtls_bio_send(void *ctx, const unsigned char *dataptr, size_t size) > > while (size_left) { > > u16_t write_len = (u16_t)LWIP_MIN(size_left, 0xFFFF); > > err_t err = altcp_write(conn->inner_conn, (const void *)dataptr, write_len, apiflags); > > + /* try to send data... */ > > + altcp_output(conn->inner_conn); > > if (err == ERR_OK) { > > written += write_len; > > size_left -= write_len; > > diff --git a/lib/lwip/lwip/src/core/tcp_out.c b/lib/lwip/lwip/src/core/tcp_out.c > > index 64579ee5cbd8..b5d312137368 100644 > > --- a/lib/lwip/lwip/src/core/tcp_out.c > > +++ b/lib/lwip/lwip/src/core/tcp_out.c > > @@ -1255,14 +1255,6 @@ tcp_output(struct tcp_pcb *pcb) > > LWIP_ASSERT("don't call tcp_output for listen-pcbs", > > pcb->state != LISTEN); > > > > - /* First, check if we are invoked by the TCP input processing > > - code. If so, we do not output anything. Instead, we rely on the > > - input processing code to call us when input processing is done > > - with. */ > > - if (tcp_input_pcb == pcb) { > > - return ERR_OK; > > - } > > - > > wnd = LWIP_MIN(pcb->snd_wnd, pcb->cwnd); > > > > seg = pcb->unsent; > > @@ -2036,7 +2028,7 @@ tcp_rst(const struct tcp_pcb *pcb, u32_t seqno, u32_t ackno, > > u16_t local_port, u16_t remote_port) > > { > > struct pbuf *p; > > - > > + > > Unrelated formatting change > > > p = tcp_rst_common(pcb, seqno, ackno, local_ip, remote_ip, local_port, remote_port); > > if (p != NULL) { > > tcp_output_control_segment(pcb, p, local_ip, remote_ip); > > diff --git a/lib/lwip/u-boot/lwipopts.h b/lib/lwip/u-boot/lwipopts.h > > index 9d618625facb..88d6faf327ae 100644 > > --- a/lib/lwip/u-boot/lwipopts.h > > +++ b/lib/lwip/u-boot/lwipopts.h > > @@ -154,4 +154,10 @@ > > #define MEMP_MEM_INIT 1 > > #define MEM_LIBC_MALLOC 1 > > > > +#if defined(CONFIG_MBEDTLS_LIB_TLS) > > +#define LWIP_ALTCP 1 > > +#define LWIP_ALTCP_TLS 1 > > +#define LWIP_ALTCP_TLS_MBEDTLS 1 > > +#endif > > + > > #endif /* LWIP_UBOOT_LWIPOPTS_H */ > > Acked-by: Jerome Forissier <jerome.forissier@linaro.org> > > Thanks, Thanks I'll get rid of the line changes in v3 > -- > Jerome
diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile index dfcd700ca474..19e5c6897f5a 100644 --- a/lib/lwip/Makefile +++ b/lib/lwip/Makefile @@ -53,3 +53,6 @@ obj-y += \ lwip/src/core/timeouts.o \ lwip/src/core/udp.o \ lwip/src/netif/ethernet.o + +obj-$(CONFIG_MBEDTLS_LIB_TLS) += lwip/src/apps/altcp_tls/altcp_tls_mbedtls.o \ + lwip/src/apps/altcp_tls/altcp_tls_mbedtls_mem.o diff --git a/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c b/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c index a8c2fc2ee2cd..ef19821b89e0 100644 --- a/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c +++ b/lib/lwip/lwip/src/apps/altcp_tls/altcp_tls_mbedtls.c @@ -3,7 +3,7 @@ * Application layered TCP/TLS connection API (to be used from TCPIP thread) * * This file provides a TLS layer using mbedTLS - * + * * This version is currently compatible with the 2.x.x branch (current LTS). */ @@ -70,7 +70,6 @@ /* @todo: which includes are really needed? */ #include "mbedtls/entropy.h" #include "mbedtls/ctr_drbg.h" -#include "mbedtls/certs.h" #include "mbedtls/x509.h" #include "mbedtls/ssl.h" #include "mbedtls/net_sockets.h" @@ -81,8 +80,6 @@ #include "mbedtls/ssl_cache.h" #include "mbedtls/ssl_ticket.h" -#include "mbedtls/ssl_internal.h" /* to call mbedtls_flush_output after ERR_MEM */ - #include <string.h> #ifndef ALTCP_MBEDTLS_ENTROPY_PTR @@ -132,6 +129,16 @@ static err_t altcp_mbedtls_lower_recv_process(struct altcp_pcb *conn, altcp_mbed static err_t altcp_mbedtls_handle_rx_appldata(struct altcp_pcb *conn, altcp_mbedtls_state_t *state); static int altcp_mbedtls_bio_send(void *ctx, const unsigned char *dataptr, size_t size); +static void +altcp_mbedtls_flush_output(altcp_mbedtls_state_t *state) +{ + if (state->ssl_context.MBEDTLS_PRIVATE(out_left) != 0) { + int flushed = mbedtls_ssl_send_alert_message(&state->ssl_context, 0, 0); + if (flushed) { + LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_ssl_send_alert_message failed: %d\n", flushed)); + } + } +} /* callback functions from inner/lower connection: */ @@ -524,14 +531,14 @@ altcp_mbedtls_lower_sent(void *arg, struct altcp_pcb *inner_conn, u16_t len) LWIP_ASSERT("state", state != NULL); LWIP_ASSERT("pcb mismatch", conn->inner_conn == inner_conn); /* calculate TLS overhead part to not send it to application */ - overhead = state->overhead_bytes_adjust + state->ssl_context.out_left; + overhead = state->overhead_bytes_adjust + state->ssl_context.MBEDTLS_PRIVATE(out_left); if ((unsigned)overhead > len) { overhead = len; } /* remove ACKed bytes from overhead adjust counter */ state->overhead_bytes_adjust -= len; /* try to send more if we failed before (may increase overhead adjust counter) */ - mbedtls_ssl_flush_output(&state->ssl_context); + altcp_mbedtls_flush_output(state); /* remove calculated overhead from ACKed bytes len */ app_len = len - (u16_t)overhead; /* update application write counter and inform application */ @@ -559,7 +566,7 @@ altcp_mbedtls_lower_poll(void *arg, struct altcp_pcb *inner_conn) if (conn->state) { altcp_mbedtls_state_t *state = (altcp_mbedtls_state_t *)conn->state; /* try to send more if we failed before */ - mbedtls_ssl_flush_output(&state->ssl_context); + altcp_mbedtls_flush_output(state); if (altcp_mbedtls_handle_rx_appldata(conn, state) == ERR_ABRT) { return ERR_ABRT; } @@ -683,7 +690,7 @@ altcp_tls_set_session(struct altcp_pcb *conn, struct altcp_tls_session *session) if (session && conn && conn->state) { altcp_mbedtls_state_t *state = (altcp_mbedtls_state_t *)conn->state; int ret = -1; - if (session->data.start) + if (session->data.MBEDTLS_PRIVATE(start)) ret = mbedtls_ssl_set_session(&state->ssl_context, &session->data); return ret < 0 ? ERR_VAL : ERR_OK; } @@ -776,7 +783,7 @@ altcp_tls_create_config(int is_server, u8_t cert_count, u8_t pkey_count, int hav struct altcp_tls_config *conf; mbedtls_x509_crt *mem; - if (TCP_WND < MBEDTLS_SSL_MAX_CONTENT_LEN) { + if (TCP_WND < MBEDTLS_SSL_IN_CONTENT_LEN || TCP_WND < MBEDTLS_SSL_OUT_CONTENT_LEN) { LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG|LWIP_DBG_LEVEL_SERIOUS, ("altcp_tls: TCP_WND is smaller than the RX decrypion buffer, connection RX might stall!\n")); } @@ -900,7 +907,7 @@ err_t altcp_tls_config_server_add_privkey_cert(struct altcp_tls_config *config, return ERR_VAL; } - ret = mbedtls_pk_parse_key(pkey, (const unsigned char *) privkey, privkey_len, privkey_pass, privkey_pass_len); + ret = mbedtls_pk_parse_key(pkey, (const unsigned char *) privkey, privkey_len, privkey_pass, privkey_pass_len, mbedtls_ctr_drbg_random, &altcp_tls_entropy_rng->ctr_drbg); if (ret != 0) { LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_pk_parse_public_key failed: %d\n", ret)); mbedtls_x509_crt_free(srvcert); @@ -1003,7 +1010,7 @@ altcp_tls_create_config_client_2wayauth(const u8_t *ca, size_t ca_len, const u8_ } mbedtls_pk_init(conf->pkey); - ret = mbedtls_pk_parse_key(conf->pkey, privkey, privkey_len, privkey_pass, privkey_pass_len); + ret = mbedtls_pk_parse_key(conf->pkey, privkey, privkey_len, privkey_pass, privkey_pass_len, mbedtls_ctr_drbg_random, &altcp_tls_entropy_rng->ctr_drbg); if (ret != 0) { LWIP_DEBUGF(ALTCP_MBEDTLS_DEBUG, ("mbedtls_pk_parse_key failed: %d 0x%x\n", ret, -1*ret)); altcp_tls_free_config(conf); @@ -1189,7 +1196,7 @@ altcp_mbedtls_sndbuf(struct altcp_pcb *conn) size_t ret; #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) /* @todo: adjust ssl_added to real value related to negotiated cipher */ - size_t max_frag_len = mbedtls_ssl_get_max_frag_len(&state->ssl_context); + size_t max_frag_len = mbedtls_ssl_get_max_in_record_payload(&state->ssl_context); max_len = LWIP_MIN(max_frag_len, max_len); #endif /* Adjust sndbuf of inner_conn with what added by SSL */ @@ -1232,9 +1239,9 @@ altcp_mbedtls_write(struct altcp_pcb *conn, const void *dataptr, u16_t len, u8_t /* HACK: if there is something left to send, try to flush it and only allow sending more if this succeeded (this is a hack because neither returning 0 nor MBEDTLS_ERR_SSL_WANT_WRITE worked for me) */ - if (state->ssl_context.out_left) { - mbedtls_ssl_flush_output(&state->ssl_context); - if (state->ssl_context.out_left) { + if (state->ssl_context.MBEDTLS_PRIVATE(out_left)) { + altcp_mbedtls_flush_output(state); + if (state->ssl_context.MBEDTLS_PRIVATE(out_left)) { return ERR_MEM; } } @@ -1284,6 +1291,8 @@ altcp_mbedtls_bio_send(void *ctx, const unsigned char *dataptr, size_t size) while (size_left) { u16_t write_len = (u16_t)LWIP_MIN(size_left, 0xFFFF); err_t err = altcp_write(conn->inner_conn, (const void *)dataptr, write_len, apiflags); + /* try to send data... */ + altcp_output(conn->inner_conn); if (err == ERR_OK) { written += write_len; size_left -= write_len; diff --git a/lib/lwip/lwip/src/core/tcp_out.c b/lib/lwip/lwip/src/core/tcp_out.c index 64579ee5cbd8..b5d312137368 100644 --- a/lib/lwip/lwip/src/core/tcp_out.c +++ b/lib/lwip/lwip/src/core/tcp_out.c @@ -1255,14 +1255,6 @@ tcp_output(struct tcp_pcb *pcb) LWIP_ASSERT("don't call tcp_output for listen-pcbs", pcb->state != LISTEN); - /* First, check if we are invoked by the TCP input processing - code. If so, we do not output anything. Instead, we rely on the - input processing code to call us when input processing is done - with. */ - if (tcp_input_pcb == pcb) { - return ERR_OK; - } - wnd = LWIP_MIN(pcb->snd_wnd, pcb->cwnd); seg = pcb->unsent; @@ -2036,7 +2028,7 @@ tcp_rst(const struct tcp_pcb *pcb, u32_t seqno, u32_t ackno, u16_t local_port, u16_t remote_port) { struct pbuf *p; - + p = tcp_rst_common(pcb, seqno, ackno, local_ip, remote_ip, local_port, remote_port); if (p != NULL) { tcp_output_control_segment(pcb, p, local_ip, remote_ip); diff --git a/lib/lwip/u-boot/lwipopts.h b/lib/lwip/u-boot/lwipopts.h index 9d618625facb..88d6faf327ae 100644 --- a/lib/lwip/u-boot/lwipopts.h +++ b/lib/lwip/u-boot/lwipopts.h @@ -154,4 +154,10 @@ #define MEMP_MEM_INIT 1 #define MEM_LIBC_MALLOC 1 +#if defined(CONFIG_MBEDTLS_LIB_TLS) +#define LWIP_ALTCP 1 +#define LWIP_ALTCP_TLS 1 +#define LWIP_ALTCP_TLS_MBEDTLS 1 +#endif + #endif /* LWIP_UBOOT_LWIPOPTS_H */