summaryrefslogtreecommitdiff
path: root/lib/efi_loader
diff options
context:
space:
mode:
Diffstat (limited to 'lib/efi_loader')
-rw-r--r--lib/efi_loader/Kconfig20
-rw-r--r--lib/efi_loader/Makefile2
-rw-r--r--lib/efi_loader/efi_bootbin.c42
-rw-r--r--lib/efi_loader/efi_bootmgr.c2
-rw-r--r--lib/efi_loader/efi_device_path.c115
-rw-r--r--lib/efi_loader/efi_device_path_to_text.c23
-rw-r--r--lib/efi_loader/efi_http.c548
-rw-r--r--lib/efi_loader/efi_image_loader.c3
-rw-r--r--lib/efi_loader/efi_ipconfig.c214
-rw-r--r--lib/efi_loader/efi_memory.c6
-rw-r--r--lib/efi_loader/efi_net.c371
11 files changed, 1316 insertions, 30 deletions
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index d93f28b8422..c46ffe3a9d8 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -2,7 +2,7 @@ menu "UEFI Support"
config EFI_LOADER
bool "Support running UEFI applications"
- depends on OF_LIBFDT && ( \
+ depends on ( \
ARM && (SYS_CPU = arm1136 || \
SYS_CPU = arm1176 || \
SYS_CPU = armv7 || \
@@ -21,6 +21,7 @@ config EFI_LOADER
select EVENT_DYNAMIC
select LIB_UUID
select LMB
+ select OF_LIBFDT
imply PARTITION_UUIDS
select REGEX
imply FAT
@@ -476,6 +477,23 @@ config EFI_RISCV_BOOT_PROTOCOL
replace the transfer via the device-tree. The latter is not
possible on systems using ACPI.
+config EFI_IP4_CONFIG2_PROTOCOL
+ bool "EFI_IP4_CONFIG2_PROTOCOL support"
+ default y if ARCH_QEMU || SANDBOX
+ depends on NET || NET_LWIP
+ help
+ Provides an implementation of the EFI_IP4_CONFIG2_PROTOCOL, this
+ protocol can be used to set and get the current ip address and
+ other network information.
+
+config EFI_HTTP_PROTOCOL
+ bool "EFI_HTTP_PROTOCOL support"
+ default y if ARCH_QEMU || SANDBOX
+ depends on WGET
+ help
+ Provides an EFI HTTP driver implementing the EFI_HTTP_PROTOCOL. and
+ EFI_HTTP_SERVICE_BINDING_PROTOCOL.
+
endmenu
menu "Misc options"
diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index 87131ab911d..2a0b4172bd7 100644
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -59,6 +59,8 @@ obj-$(CONFIG_EFI_ESRT) += efi_esrt.o
obj-$(CONFIG_VIDEO) += efi_gop.o
obj-$(CONFIG_BLK) += efi_disk.o
obj-$(CONFIG_NETDEVICES) += efi_net.o
+obj-$(CONFIG_EFI_IP4_CONFIG2_PROTOCOL) += efi_ipconfig.o
+obj-$(CONFIG_EFI_HTTP_PROTOCOL) += efi_http.o
obj-$(CONFIG_ACPI) += efi_acpi.o
obj-$(CONFIG_SMBIOS) += efi_smbios.o
obj-$(CONFIG_EFI_RNG_PROTOCOL) += efi_rng.o
diff --git a/lib/efi_loader/efi_bootbin.c b/lib/efi_loader/efi_bootbin.c
index a87006b3c0e..b677bbc3124 100644
--- a/lib/efi_loader/efi_bootbin.c
+++ b/lib/efi_loader/efi_bootbin.c
@@ -93,24 +93,34 @@ void efi_set_bootdev(const char *dev, const char *devnr, const char *path,
image_addr = buffer;
image_size = buffer_size;
+#if IS_ENABLED(CONFIG_NETDEVICES)
+ if (!strcmp(dev, "Net") || !strcmp(dev, "Http")) {
+ ret = efi_net_set_dp(dev, devnr);
+ if (ret != EFI_SUCCESS)
+ goto error;
+ }
+#endif
+
ret = efi_dp_from_name(dev, devnr, path, &device, &image);
- if (ret == EFI_SUCCESS) {
- bootefi_device_path = device;
- if (image) {
- /* FIXME: image should not contain device */
- struct efi_device_path *image_tmp = image;
-
- efi_dp_split_file_path(image, &device, &image);
- efi_free_pool(image_tmp);
- }
- bootefi_image_path = image;
- log_debug("- boot device %pD\n", device);
- if (image)
- log_debug("- image %pD\n", image);
- } else {
- log_debug("- efi_dp_from_name() failed, err=%lx\n", ret);
- efi_clear_bootdev();
+ if (ret != EFI_SUCCESS)
+ goto error;
+
+ bootefi_device_path = device;
+ if (image) {
+ /* FIXME: image should not contain device */
+ struct efi_device_path *image_tmp = image;
+
+ efi_dp_split_file_path(image, &device, &image);
+ efi_free_pool(image_tmp);
}
+ bootefi_image_path = image;
+ log_debug("- boot device %pD\n", device);
+ if (image)
+ log_debug("- image %pD\n", image);
+ return;
+error:
+ log_debug("- efi_dp_from_name() failed, err=%lx\n", ret);
+ efi_clear_bootdev();
}
/**
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 8c51a6ef2ed..c6124c590d9 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -479,7 +479,7 @@ static efi_status_t try_load_from_uri_path(struct efi_device_path_uri *uridp,
}
image_addr = hextoul(s, NULL);
- err = wget_with_dns(image_addr, uridp->uri);
+ err = wget_do_request(image_addr, uridp->uri);
if (err < 0) {
ret = EFI_INVALID_PARAMETER;
goto err;
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index ee387e1dfd4..c0633a736b6 100644
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -974,6 +974,116 @@ struct efi_device_path __maybe_unused *efi_dp_from_eth(void)
return start;
}
+/**
+ * efi_dp_from_ipv4() - set device path from IPv4 address
+ *
+ * Set the device path to an ethernet device path as provided by
+ * efi_dp_from_eth() concatenated with a device path of subtype
+ * DEVICE_PATH_SUB_TYPE_MSG_IPV4, and an END node.
+ *
+ * @ip: IPv4 local address
+ * @mask: network mask
+ * @srv: IPv4 remote/server address
+ * Return: pointer to device path, NULL on error
+ */
+static struct efi_device_path *efi_dp_from_ipv4(struct efi_ipv4_address *ip,
+ struct efi_ipv4_address *mask,
+ struct efi_ipv4_address *srv)
+{
+ struct efi_device_path *dp1, *dp2, *pos;
+ struct {
+ struct efi_device_path_ipv4 ipv4dp;
+ struct efi_device_path end;
+ } dp;
+
+ memset(&dp.ipv4dp, 0, sizeof(dp.ipv4dp));
+ dp.ipv4dp.dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
+ dp.ipv4dp.dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_IPV4;
+ dp.ipv4dp.dp.length = sizeof(dp.ipv4dp);
+ dp.ipv4dp.protocol = 6;
+ if (ip)
+ memcpy(&dp.ipv4dp.local_ip_address, ip, sizeof(*ip));
+ if (mask)
+ memcpy(&dp.ipv4dp.subnet_mask, mask, sizeof(*mask));
+ if (srv)
+ memcpy(&dp.ipv4dp.remote_ip_address, srv, sizeof(*srv));
+ pos = &dp.end;
+ memcpy(pos, &END, sizeof(END));
+
+ dp1 = efi_dp_from_eth();
+ if (!dp1)
+ return NULL;
+
+ dp2 = efi_dp_concat(dp1, (const struct efi_device_path *)&dp, 0);
+
+ efi_free_pool(dp1);
+
+ return dp2;
+}
+
+/**
+ * efi_dp_from_http() - set device path from http
+ *
+ * Set the device path to an IPv4 path as provided by efi_dp_from_ipv4
+ * concatenated with a device path of subtype DEVICE_PATH_SUB_TYPE_MSG_URI,
+ * and an END node.
+ *
+ * @server: URI of remote server
+ * Return: pointer to HTTP device path, NULL on error
+ */
+struct efi_device_path *efi_dp_from_http(const char *server)
+{
+ struct efi_device_path *dp1, *dp2;
+ struct efi_device_path_uri *uridp;
+ efi_uintn_t uridp_len;
+ char *pos;
+ char tmp[128];
+ struct efi_ipv4_address ip;
+ struct efi_ipv4_address mask;
+
+ if ((server && strlen("http://") + strlen(server) + 1 > sizeof(tmp)) ||
+ (!server && IS_ENABLED(CONFIG_NET_LWIP)))
+ return NULL;
+
+ efi_net_get_addr(&ip, &mask, NULL);
+
+ dp1 = efi_dp_from_ipv4(&ip, &mask, NULL);
+ if (!dp1)
+ return NULL;
+
+ strcpy(tmp, "http://");
+
+ if (server) {
+ strlcat(tmp, server, sizeof(tmp));
+#if !IS_ENABLED(CONFIG_NET_LWIP)
+ } else {
+ ip_to_string(net_server_ip, tmp + strlen("http://"));
+#endif
+ }
+
+ uridp_len = sizeof(struct efi_device_path) + strlen(tmp) + 1;
+ uridp = efi_alloc(uridp_len + sizeof(END));
+ if (!uridp) {
+ log_err("Out of memory\n");
+ return NULL;
+ }
+ uridp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
+ uridp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_URI;
+ uridp->dp.length = uridp_len;
+ debug("device path: setting uri device path to %s\n", tmp);
+ memcpy(uridp->uri, tmp, strlen(tmp) + 1);
+
+ pos = (char *)uridp + uridp_len;
+ memcpy(pos, &END, sizeof(END));
+
+ dp2 = efi_dp_concat(dp1, (const struct efi_device_path *)uridp, 0);
+
+ efi_free_pool(uridp);
+ efi_free_pool(dp1);
+
+ return dp2;
+}
+
/* Construct a device-path for memory-mapped image */
struct efi_device_path *efi_dp_from_mem(uint32_t memory_type,
uint64_t start_address,
@@ -1074,8 +1184,9 @@ efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
dp = efi_dp_from_mem(EFI_RESERVED_MEMORY_TYPE,
(uintptr_t)image_addr, image_size);
- } else if (IS_ENABLED(CONFIG_NETDEVICES) && !strcmp(dev, "Net")) {
- dp = efi_dp_from_eth();
+ } else if (IS_ENABLED(CONFIG_NETDEVICES) &&
+ (!strcmp(dev, "Net") || !strcmp(dev, "Http"))) {
+ efi_net_get_dp(&dp);
} else if (!strcmp(dev, "Uart")) {
dp = efi_dp_from_uart();
} else {
diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c
index 0c7b30a26e7..481a9712d9d 100644
--- a/lib/efi_loader/efi_device_path_to_text.c
+++ b/lib/efi_loader/efi_device_path_to_text.c
@@ -8,6 +8,7 @@
#include <blk.h>
#include <efi_loader.h>
#include <malloc.h>
+#include <net.h>
#define MAC_OUTPUT_LEN 22
#define UNKNOWN_OUTPUT_LEN 23
@@ -170,6 +171,28 @@ static char *dp_msging(char *s, struct efi_device_path *dp)
break;
}
+ case DEVICE_PATH_SUB_TYPE_MSG_IPV4: {
+ struct efi_device_path_ipv4 *idp =
+ (struct efi_device_path_ipv4 *)dp;
+
+ s += sprintf(s, "IPv4(%pI4,", &idp->remote_ip_address);
+ switch (idp->protocol) {
+ case IPPROTO_TCP:
+ s += sprintf(s, "TCP,");
+ case IPPROTO_UDP:
+ s += sprintf(s, "UDP,");
+ default:
+ s += sprintf(s, "0x%x,", idp->protocol);
+ }
+ s += sprintf(s, idp->static_ip_address ? "Static" : "DHCP");
+ s += sprintf(s, ",%pI4", &idp->local_ip_address);
+ if (idp->dp.length == sizeof(struct efi_device_path_ipv4))
+ s += sprintf(s, ",%pI4,%pI4", &idp->gateway_ip_address,
+ &idp->subnet_mask);
+ s += sprintf(s, ")");
+
+ break;
+ }
case DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS: {
struct efi_device_path_usb_class *ucdp =
(struct efi_device_path_usb_class *)dp;
diff --git a/lib/efi_loader/efi_http.c b/lib/efi_loader/efi_http.c
new file mode 100644
index 00000000000..694e1993418
--- /dev/null
+++ b/lib/efi_loader/efi_http.c
@@ -0,0 +1,548 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * An HTTP driver
+ *
+ * HTTP_PROTOCOL
+ * HTTP_SERVICE_BINDING_PROTOCOL
+ * IP4_CONFIG2_PROTOCOL
+ */
+
+#include <charset.h>
+#include <efi_loader.h>
+#include <image.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <net.h>
+
+static const efi_guid_t efi_http_service_binding_guid = EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID;
+static const efi_guid_t efi_http_guid = EFI_HTTP_PROTOCOL_GUID;
+
+/**
+ * struct efi_http_instance - EFI object representing an HTTP protocol instance
+ *
+ * @http: EFI_HTTP_PROTOCOL interface
+ * @handle: handle to efi object
+ * @configured: configuration status
+ * @http_load_addr: data buffer
+ * @file_size: size of data
+ * @current_offset: offset in data buffer
+ * @status_code: HTTP status code
+ * @num_headers: number of received headers
+ * @headers: array of headers
+ * @headers_buffer: raw buffer with headers
+ */
+struct efi_http_instance {
+ struct efi_http_protocol http;
+ efi_handle_t handle;
+ bool configured;
+ void *http_load_addr;
+ ulong file_size;
+ ulong current_offset;
+ u32 status_code;
+ ulong num_headers;
+ struct http_header headers[MAX_HTTP_HEADERS];
+ char headers_buffer[MAX_HTTP_HEADERS_SIZE];
+};
+
+static int num_instances;
+
+/*
+ * efi_u32_to_httpstatus() - convert u32 to status
+ *
+ */
+enum efi_http_status_code efi_u32_to_httpstatus(u32 status);
+
+/*
+ * efi_http_send_data() - sends data to client
+ *
+ *
+ * @client_buffer: client buffer to send data to
+ * @client_buffer_size: size of the client buffer
+ * @inst: HTTP instance for which to send data
+ *
+ * Return: status code
+ */
+static efi_status_t efi_http_send_data(void *client_buffer,
+ efi_uintn_t *client_buffer_size,
+ struct efi_http_instance *inst)
+{
+ efi_status_t ret = EFI_SUCCESS;
+ ulong total_size, transfer_size;
+ uchar *ptr;
+
+ // Amount of data left;
+ total_size = inst->file_size;
+ transfer_size = total_size - inst->current_offset;
+ debug("efi_http: sending data to client, total size %lu\n", total_size);
+ // Amount of data the client is willing to receive
+ if (transfer_size > *client_buffer_size)
+ transfer_size = *client_buffer_size;
+ else
+ *client_buffer_size = transfer_size;
+ debug("efi_http: transfer size %lu\n", transfer_size);
+ if (!transfer_size) // Ok, only headers
+ goto out;
+
+ if (!client_buffer) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ // Send data
+ ptr = (uchar *)inst->http_load_addr + inst->current_offset;
+ memcpy(client_buffer, ptr, transfer_size);
+
+ inst->current_offset += transfer_size;
+
+ // Whole file served, clean the buffer:
+ if (inst->current_offset == inst->file_size) {
+ efi_free_pool(inst->http_load_addr);
+ inst->http_load_addr = NULL;
+ inst->current_offset = 0;
+ inst->file_size = 0;
+ }
+
+out:
+ return ret;
+}
+
+/* EFI_HTTP_PROTOCOL */
+
+/*
+ * efi_http_get_mode_data() - Gets the current operational status.
+ *
+ * This function implements EFI_HTTP_PROTOCOL.GetModeData().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @data: pointer to the buffer for operational parameters
+ * of this HTTP instance
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_get_mode_data(struct efi_http_protocol *this,
+ struct efi_http_config_data *data)
+{
+ EFI_ENTRY("%p, %p", this, data);
+
+ efi_status_t ret = EFI_UNSUPPORTED;
+
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_http_configure() - Initializes operational status for this
+ * EFI HTTP instance.
+ *
+ * This function implements EFI_HTTP_PROTOCOL.Configure().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @data: pointer to the buffer for operational parameters of
+ * this HTTP instance
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_configure(struct efi_http_protocol *this,
+ struct efi_http_config_data *data)
+{
+ EFI_ENTRY("%p, %p", this, data);
+
+ efi_status_t ret = EFI_SUCCESS;
+ enum efi_http_version http_version;
+ struct efi_httpv4_access_point *ipv4_node;
+ struct efi_http_instance *http_instance;
+
+ if (!this) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ http_instance = (struct efi_http_instance *)this;
+
+ if (!data) {
+ efi_free_pool(http_instance->http_load_addr);
+ http_instance->http_load_addr = NULL;
+ http_instance->current_offset = 0;
+ http_instance->configured = false;
+
+ goto out;
+ }
+
+ if (http_instance->configured) {
+ ret = EFI_ALREADY_STARTED;
+ goto out;
+ }
+
+ http_version = data->http_version;
+ ipv4_node = data->access_point.ipv4_node;
+
+ if ((http_version != HTTPVERSION10 &&
+ http_version != HTTPVERSION11) ||
+ data->is_ipv6 || !ipv4_node) { /* Only support ipv4 */
+ ret = EFI_UNSUPPORTED;
+ goto out;
+ }
+
+ if (!ipv4_node->use_default_address) {
+ efi_net_set_addr((struct efi_ipv4_address *)&ipv4_node->local_address,
+ (struct efi_ipv4_address *)&ipv4_node->local_subnet, NULL);
+ }
+
+ http_instance->current_offset = 0;
+ http_instance->configured = true;
+
+out:
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_http_request() - Queues an HTTP request to this HTTP instance
+ *
+ * This function implements EFI_HTTP_PROTOCOL.Request().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @token: pointer to storage containing HTTP request token
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_request(struct efi_http_protocol *this,
+ struct efi_http_token *token)
+{
+ EFI_ENTRY("%p, %p", this, token);
+
+ efi_status_t ret = EFI_SUCCESS;
+ u8 *tmp;
+ u8 url_8[1024];
+ u16 *url_16;
+ enum efi_http_method current_method;
+ struct efi_http_instance *http_instance;
+
+ if (!token || !this || !token->message ||
+ !token->message->data.request) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ http_instance = (struct efi_http_instance *)this;
+
+ if (!http_instance->configured) {
+ ret = EFI_NOT_STARTED;
+ goto out;
+ }
+
+ current_method = token->message->data.request->method;
+ url_16 = token->message->data.request->url;
+
+ /* Parse URL. It comes in UCS-2 encoding and follows RFC3986 */
+ tmp = url_8;
+ utf16_utf8_strncpy((char **)&tmp, url_16, 1024);
+
+ ret = efi_net_do_request(url_8, current_method, &http_instance->http_load_addr,
+ &http_instance->status_code, &http_instance->file_size,
+ http_instance->headers_buffer);
+ if (ret != EFI_SUCCESS)
+ goto out;
+
+ // We have a successful request
+ efi_net_parse_headers(&http_instance->num_headers, http_instance->headers);
+ http_instance->current_offset = 0;
+ token->status = EFI_SUCCESS;
+ goto out_signal;
+
+out_signal:
+ efi_signal_event(token->event);
+out:
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_http_cancel() - Abort an asynchronous HTTP request or response token
+ *
+ * This function implements EFI_HTTP_PROTOCOL.Cancel().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @token: pointer to storage containing HTTP request token
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_cancel(struct efi_http_protocol *this,
+ struct efi_http_token *token)
+{
+ EFI_ENTRY("%p, %p", this, token);
+
+ efi_status_t ret = EFI_UNSUPPORTED;
+
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_http_response() - Queues an HTTP response to this HTTP instance
+ *
+ * This function implements EFI_HTTP_PROTOCOL.Response().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @token: pointer to storage containing HTTP request token
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_response(struct efi_http_protocol *this,
+ struct efi_http_token *token)
+{
+ EFI_ENTRY("%p, %p", this, token);
+
+ efi_status_t ret = EFI_SUCCESS;
+ struct efi_http_instance *http_instance;
+ struct efi_http_header **client_headers;
+ struct efi_http_response_data *response;
+
+ if (!token || !this || !token->message) {
+ ret = EFI_INVALID_PARAMETER;
+ goto out;
+ }
+
+ http_instance = (struct efi_http_instance *)this;
+
+ // Set HTTP status code
+ if (token->message->data.response) { // TODO extra check, see spec.
+ response = token->message->data.response;
+ response->status_code = efi_u32_to_httpstatus(http_instance->status_code);
+ }
+
+ client_headers = &token->message->headers;
+
+ ret = efi_allocate_pool(EFI_BOOT_SERVICES_DATA,
+ (http_instance->num_headers) * sizeof(struct efi_http_header),
+ (void **)client_headers); // This is deallocated by the client.
+ if (ret != EFI_SUCCESS)
+ goto out_bad_signal;
+
+ // Send headers
+ token->message->header_count = http_instance->num_headers;
+ for (int i = 0; i < http_instance->num_headers; i++) {
+ (*client_headers)[i].field_name = http_instance->headers[i].name;
+ (*client_headers)[i].field_value = http_instance->headers[i].value;
+ }
+
+ ret = efi_http_send_data(token->message->body, &token->message->body_length, http_instance);
+ if (ret != EFI_SUCCESS)
+ goto out_bad_signal;
+
+ token->status = EFI_SUCCESS;
+ goto out_signal;
+
+out_bad_signal:
+ token->status = EFI_ABORTED;
+out_signal:
+ efi_signal_event(token->event);
+out:
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_http_poll() - Polls for incoming data packets and processes outgoing data packets
+ *
+ * This function implements EFI_HTTP_PROTOCOL.Poll().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @token: pointer to storage containing HTTP request token
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_poll(struct efi_http_protocol *this)
+{
+ EFI_ENTRY("%p", this);
+
+ efi_status_t ret = EFI_UNSUPPORTED;
+
+ return EFI_EXIT(ret);
+}
+
+/* EFI_HTTP_SERVICE_BINDING_PROTOCOL */
+
+/*
+ * efi_http_service_binding_create_child() - Creates a child handle
+ * and installs a protocol
+ *
+ * This function implements EFI_HTTP_SERVICE_BINDING.CreateChild().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @child_handle: pointer to child handle
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_service_binding_create_child(
+ struct efi_service_binding_protocol *this,
+ efi_handle_t *child_handle)
+{
+ EFI_ENTRY("%p, %p", this, child_handle);
+
+ efi_status_t ret = EFI_SUCCESS;
+ struct efi_http_instance *new_instance;
+
+ if (!child_handle)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ new_instance = calloc(1, sizeof(struct efi_http_instance));
+ if (!new_instance) {
+ ret = EFI_OUT_OF_RESOURCES;
+ goto failure_to_add_protocol;
+ }
+
+ if (*child_handle) {
+ new_instance->handle = *child_handle;
+ goto install;
+ }
+
+ new_instance->handle = calloc(1, sizeof(struct efi_object));
+ if (!new_instance->handle) {
+ efi_free_pool((void *)new_instance);
+ ret = EFI_OUT_OF_RESOURCES;
+ goto failure_to_add_protocol;
+ }
+
+ efi_add_handle(new_instance->handle);
+ *child_handle = new_instance->handle;
+
+install:
+ ret = efi_add_protocol(new_instance->handle, &efi_http_guid,
+ &new_instance->http);
+ if (ret != EFI_SUCCESS)
+ goto failure_to_add_protocol;
+
+ new_instance->http.get_mode_data = efi_http_get_mode_data;
+ new_instance->http.configure = efi_http_configure;
+ new_instance->http.request = efi_http_request;
+ new_instance->http.cancel = efi_http_cancel;
+ new_instance->http.response = efi_http_response;
+ new_instance->http.poll = efi_http_poll;
+ ++num_instances;
+
+ return EFI_EXIT(EFI_SUCCESS);
+
+failure_to_add_protocol:
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_http_service_binding_destroy_child() - Destroys a child handle with
+ * a protocol installed on it
+ *
+ * This function implements EFI_HTTP_SERVICE_BINDING.DestroyChild().
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @child_handle: child handle
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_http_service_binding_destroy_child(
+ struct efi_service_binding_protocol *this,
+ efi_handle_t child_handle)
+{
+ EFI_ENTRY("%p, %p", this, child_handle);
+ efi_status_t ret = EFI_SUCCESS;
+ struct efi_http_instance *http_instance;
+ struct efi_handler *phandler;
+ void *protocol_interface;
+
+ if (num_instances == 0)
+ return EFI_EXIT(EFI_NOT_FOUND);
+
+ if (!child_handle)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ efi_search_protocol(child_handle, &efi_http_guid, &phandler);
+
+ if (phandler)
+ protocol_interface = phandler->protocol_interface;
+
+ ret = efi_delete_handle(child_handle);
+ if (ret != EFI_SUCCESS)
+ return EFI_EXIT(ret);
+
+ http_instance = (struct efi_http_instance *)protocol_interface;
+ efi_free_pool(http_instance->http_load_addr);
+ http_instance->http_load_addr = NULL;
+
+ free(protocol_interface);
+
+ num_instances--;
+
+ return EFI_EXIT(EFI_SUCCESS);
+}
+
+/**
+ * efi_http_register() - register the http protocol
+ *
+ */
+efi_status_t efi_http_register(const efi_handle_t handle,
+ struct efi_service_binding_protocol *http_service_binding)
+{
+ efi_status_t r = EFI_SUCCESS;
+
+ r = efi_add_protocol(handle, &efi_http_service_binding_guid,
+ http_service_binding);
+ if (r != EFI_SUCCESS)
+ goto failure_to_add_protocol;
+
+ http_service_binding->create_child = efi_http_service_binding_create_child;
+ http_service_binding->destroy_child = efi_http_service_binding_destroy_child;
+
+ return EFI_SUCCESS;
+failure_to_add_protocol:
+ return r;
+}
+
+enum efi_http_status_code efi_u32_to_httpstatus(u32 status)
+{
+ switch (status) {
+ case 100: return HTTP_STATUS_100_CONTINUE;
+ case 101: return HTTP_STATUS_101_SWITCHING_PROTOCOLS;
+ case 200: return HTTP_STATUS_200_OK;
+ case 201: return HTTP_STATUS_201_CREATED;
+ case 202: return HTTP_STATUS_202_ACCEPTED;
+ case 203: return HTTP_STATUS_203_NON_AUTHORITATIVE_INFORMATION;
+ case 204: return HTTP_STATUS_204_NO_CONTENT;
+ case 205: return HTTP_STATUS_205_RESET_CONTENT;
+ case 206: return HTTP_STATUS_206_PARTIAL_CONTENT;
+ case 300: return HTTP_STATUS_300_MULTIPLE_CHOICES;
+ case 301: return HTTP_STATUS_301_MOVED_PERMANENTLY;
+ case 302: return HTTP_STATUS_302_FOUND;
+ case 303: return HTTP_STATUS_303_SEE_OTHER;
+ case 304: return HTTP_STATUS_304_NOT_MODIFIED;
+ case 305: return HTTP_STATUS_305_USE_PROXY;
+ case 307: return HTTP_STATUS_307_TEMPORARY_REDIRECT;
+ case 400: return HTTP_STATUS_400_BAD_REQUEST;
+ case 401: return HTTP_STATUS_401_UNAUTHORIZED;
+ case 402: return HTTP_STATUS_402_PAYMENT_REQUIRED;
+ case 403: return HTTP_STATUS_403_FORBIDDEN;
+ case 404: return HTTP_STATUS_404_NOT_FOUND;
+ case 405: return HTTP_STATUS_405_METHOD_NOT_ALLOWED;
+ case 406: return HTTP_STATUS_406_NOT_ACCEPTABLE;
+ case 407: return HTTP_STATUS_407_PROXY_AUTHENTICATION_REQUIRED;
+ case 408: return HTTP_STATUS_408_REQUEST_TIME_OUT;
+ case 409: return HTTP_STATUS_409_CONFLICT;
+ case 410: return HTTP_STATUS_410_GONE;
+ case 411: return HTTP_STATUS_411_LENGTH_REQUIRED;
+ case 412: return HTTP_STATUS_412_PRECONDITION_FAILED;
+ case 413: return HTTP_STATUS_413_REQUEST_ENTITY_TOO_LARGE;
+ case 414: return HTTP_STATUS_414_REQUEST_URI_TOO_LARGE;
+ case 415: return HTTP_STATUS_415_UNSUPPORTED_MEDIA_TYPE;
+ case 416: return HTTP_STATUS_416_REQUESTED_RANGE_NOT_SATISFIED;
+ case 417: return HTTP_STATUS_417_EXPECTATION_FAILED;
+ case 500: return HTTP_STATUS_500_INTERNAL_SERVER_ERROR;
+ case 501: return HTTP_STATUS_501_NOT_IMPLEMENTED;
+ case 502: return HTTP_STATUS_502_BAD_GATEWAY;
+ case 503: return HTTP_STATUS_503_SERVICE_UNAVAILABLE;
+ case 504: return HTTP_STATUS_504_GATEWAY_TIME_OUT;
+ case 505: return HTTP_STATUS_505_HTTP_VERSION_NOT_SUPPORTED;
+ case 308: return HTTP_STATUS_308_PERMANENT_REDIRECT;
+ default: return HTTP_STATUS_UNSUPPORTED_STATUS;
+ }
+}
diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c
index 0ddf69a0918..bb58cf1badb 100644
--- a/lib/efi_loader/efi_image_loader.c
+++ b/lib/efi_loader/efi_image_loader.c
@@ -13,6 +13,7 @@
#include <efi_loader.h>
#include <log.h>
#include <malloc.h>
+#include <mapmem.h>
#include <pe.h>
#include <sort.h>
#include <crypto/mscode.h>
@@ -977,7 +978,7 @@ efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle,
}
/* Flush cache */
- flush_cache((ulong)efi_reloc,
+ flush_cache(map_to_sysmem(efi_reloc),
ALIGN(virt_size, EFI_CACHELINE_SIZE));
/*
diff --git a/lib/efi_loader/efi_ipconfig.c b/lib/efi_loader/efi_ipconfig.c
new file mode 100644
index 00000000000..0b247a4c028
--- /dev/null
+++ b/lib/efi_loader/efi_ipconfig.c
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Implementation of EFI_IP4_CONFIG2_PROTOCOL
+ *
+ */
+
+#include <efi_loader.h>
+#include <image.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <net.h>
+
+static const efi_guid_t efi_ip4_config2_guid = EFI_IP4_CONFIG2_PROTOCOL_GUID;
+
+struct efi_ip4_config2_manual_address current_http_ip;
+static enum efi_ip4_config2_policy current_policy;
+static char current_mac_addr[32];
+
+/* EFI_IP4_CONFIG2_PROTOCOL */
+
+/*
+ * efi_ip4_config2_set_data() - Set the configuration for the EFI IPv4 network
+ * stack running on the communication device
+ *
+ * This function implements EFI_IP4_CONFIG2_PROTOCOL.SetData()
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @data_type: the type of data to set
+ * @data_size: size of the buffer pointed to by data in bytes
+ * @data: the data buffer to set
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_ip4_config2_set_data(struct efi_ip4_config2_protocol *this,
+ enum efi_ip4_config2_data_type data_type,
+ efi_uintn_t data_size,
+ void *data)
+{
+ EFI_ENTRY("%p, %d, %zu, %p", this, data_type, data_size, data);
+ efi_status_t ret = EFI_SUCCESS;
+
+ if (!this || (data && !data_size) || (!data && data_size))
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ switch (data_type) {
+ case EFI_IP4_CONFIG2_DATA_TYPE_INTERFACEINFO:
+ return EFI_EXIT(EFI_WRITE_PROTECTED);
+ case EFI_IP4_CONFIG2_DATA_TYPE_MANUAL_ADDRESS:
+ if (current_policy != EFI_IP4_CONFIG2_POLICY_STATIC)
+ return EFI_EXIT(EFI_WRITE_PROTECTED);
+ if (!data_size && !data) {
+ memset((void *)&current_http_ip, 0,
+ sizeof(current_http_ip));
+ return EFI_EXIT(EFI_SUCCESS);
+ }
+ if (data && data_size == sizeof(struct efi_ip4_config2_manual_address)) {
+ memcpy((void *)&current_http_ip, data,
+ sizeof(struct efi_ip4_config2_manual_address));
+ efi_net_set_addr(&current_http_ip.address,
+ &current_http_ip.subnet_mask, NULL);
+ return EFI_EXIT(EFI_SUCCESS);
+ }
+ return EFI_EXIT(EFI_BAD_BUFFER_SIZE);
+ case EFI_IP4_CONFIG2_DATA_TYPE_POLICY:
+ if (data && data_size == sizeof(enum efi_ip4_config2_policy)) {
+ current_policy = *(enum efi_ip4_config2_policy *)data;
+ return EFI_EXIT(EFI_SUCCESS);
+ }
+ return EFI_EXIT(EFI_BAD_BUFFER_SIZE);
+
+ default:
+ return EFI_EXIT(EFI_UNSUPPORTED);
+ }
+
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_ip4_config2_get_data() - Get the configuration for the EFI IPv4 network
+ * stack running on the communication device
+ *
+ * This function implements EFI_IP4_CONFIG2_PROTOCOL.GetData()
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @data_type: the type of data to get
+ * @data_size: size
+ * @data: the data buffer
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_ip4_config2_get_data(struct efi_ip4_config2_protocol *this,
+ enum efi_ip4_config2_data_type data_type,
+ efi_uintn_t *data_size,
+ void *data)
+{
+ EFI_ENTRY("%p, %d, %p, %p", this, data_type, data_size, data);
+
+ efi_status_t ret = EFI_SUCCESS;
+ struct efi_ip4_config2_interface_info *info;
+ int tmp;
+
+ if (!this || !data_size)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ if (*data_size && !data)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ tmp = sizeof(struct efi_ip4_config2_interface_info) + sizeof(struct efi_ip4_route_table);
+
+ switch (data_type) {
+ case EFI_IP4_CONFIG2_DATA_TYPE_INTERFACEINFO:
+ if (*data_size < tmp) {
+ *data_size = tmp;
+ return EFI_EXIT(EFI_BUFFER_TOO_SMALL);
+ }
+
+ info = (struct efi_ip4_config2_interface_info *)data;
+ memset(info, 0, sizeof(*info));
+
+ info->hw_address_size = 6;
+ memcpy(info->hw_address.mac_addr, current_mac_addr, 6);
+ // Set the route table size
+
+ info->route_table_size = 0;
+ break;
+ case EFI_IP4_CONFIG2_DATA_TYPE_MANUAL_ADDRESS:
+ if (*data_size < sizeof(struct efi_ip4_config2_manual_address)) {
+ *data_size = sizeof(struct efi_ip4_config2_manual_address);
+ return EFI_EXIT(EFI_BUFFER_TOO_SMALL);
+ }
+
+ efi_net_get_addr(&current_http_ip.address, &current_http_ip.subnet_mask, NULL);
+ memcpy(data, (void *)&current_http_ip,
+ sizeof(struct efi_ip4_config2_manual_address));
+
+ break;
+ default:
+ return EFI_EXIT(EFI_NOT_FOUND);
+ }
+ return EFI_EXIT(ret);
+}
+
+/*
+ * efi_ip4_config2_register_notify() - Register an event that is to be signaled whenever
+ * a configuration process on the specified configuration
+ * data is done
+ *
+ * This function implements EFI_IP4_CONFIG2_PROTOCOL.RegisterDataNotify()
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @data_type: the type of data to register the event for
+ * @event: the event to register
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_ip4_config2_register_notify(struct efi_ip4_config2_protocol *this,
+ enum efi_ip4_config2_data_type data_type,
+ struct efi_event *event)
+{
+ EFI_ENTRY("%p, %d, %p", this, data_type, event);
+
+ return EFI_EXIT(EFI_UNSUPPORTED);
+}
+
+/*
+ * efi_ip4_config2_unregister_notify() - Remove a previously registered eventfor
+ * the specified configuration data
+ *
+ * This function implements EFI_IP4_CONFIG2_PROTOCOL.UnregisterDataNotify()
+ * See the Unified Extensible Firmware Interface
+ * (UEFI) specification for details.
+ *
+ * @this: pointer to the protocol instance
+ * @data_type: the type of data to remove the event for
+ * @event: the event to unregister
+ * Return: status code
+ */
+static efi_status_t EFIAPI efi_ip4_config2_unregister_notify(struct efi_ip4_config2_protocol *this,
+ enum efi_ip4_config2_data_type data_type,
+ struct efi_event *event)
+{
+ EFI_ENTRY("%p, %d, %p", this, data_type, event);
+
+ return EFI_EXIT(EFI_UNSUPPORTED);
+}
+
+/**
+ * efi_ipconfig_register() - register the ip4_config2 protocol
+ *
+ */
+efi_status_t efi_ipconfig_register(const efi_handle_t handle,
+ struct efi_ip4_config2_protocol *ip4config)
+{
+ efi_status_t r = EFI_SUCCESS;
+
+ r = efi_add_protocol(handle, &efi_ip4_config2_guid,
+ ip4config);
+ if (r != EFI_SUCCESS) {
+ log_err("ERROR: Failure to add protocol\n");
+ return r;
+ }
+
+ memcpy(current_mac_addr, eth_get_ethaddr(), 6);
+
+ ip4config->set_data = efi_ip4_config2_set_data;
+ ip4config->get_data = efi_ip4_config2_get_data;
+ ip4config->register_data_notify = efi_ip4_config2_register_notify;
+ ip4config->unregister_data_notify = efi_ip4_config2_unregister_notify;
+
+ return EFI_SUCCESS;
+}
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index edd7da7d8c6..1212772471e 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -472,7 +472,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
switch (type) {
case EFI_ALLOCATE_ANY_PAGES:
/* Any page */
- addr = (u64)lmb_alloc_base_flags(len, EFI_PAGE_SIZE,
+ addr = (u64)lmb_alloc_base(len, EFI_PAGE_SIZE,
LMB_ALLOC_ANYWHERE, flags);
if (!addr)
return EFI_OUT_OF_RESOURCES;
@@ -480,7 +480,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
case EFI_ALLOCATE_MAX_ADDRESS:
/* Max address */
addr = map_to_sysmem((void *)(uintptr_t)*memory);
- addr = (u64)lmb_alloc_base_flags(len, EFI_PAGE_SIZE, addr,
+ addr = (u64)lmb_alloc_base(len, EFI_PAGE_SIZE, addr,
flags);
if (!addr)
return EFI_OUT_OF_RESOURCES;
@@ -490,7 +490,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
return EFI_NOT_FOUND;
addr = map_to_sysmem((void *)(uintptr_t)*memory);
- addr = (u64)lmb_alloc_addr_flags(addr, len, flags);
+ addr = (u64)lmb_alloc_addr(addr, len, flags);
if (!addr)
return EFI_NOT_FOUND;
break;
diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c
index 7cd536705f4..67593ef50c0 100644
--- a/lib/efi_loader/efi_net.c
+++ b/lib/efi_loader/efi_net.c
@@ -16,7 +16,10 @@
*/
#include <efi_loader.h>
+#include <dm.h>
+#include <linux/sizes.h>
#include <malloc.h>
+#include <vsprintf.h>
#include <net.h>
static const efi_guid_t efi_net_guid = EFI_SIMPLE_NETWORK_PROTOCOL_GUID;
@@ -32,6 +35,19 @@ static int rx_packet_num;
static struct efi_net_obj *netobj;
/*
+ * The current network device path. This device path is updated when a new
+ * bootfile is downloaded from the network. If then the bootfile is loaded
+ * as an efi image, net_dp is passed as the device path of the loaded image.
+ */
+static struct efi_device_path *net_dp;
+
+static struct wget_http_info efi_wget_info = {
+ .set_bootdev = false,
+ .check_buffer_size = true,
+
+};
+
+/*
* The notification function of this event is called in every timer cycle
* to check if a new network packet has been received.
*/
@@ -44,11 +60,13 @@ static struct efi_event *wait_for_packet;
/**
* struct efi_net_obj - EFI object representing a network interface
*
- * @header: EFI object header
- * @net: simple network protocol interface
- * @net_mode: status of the network interface
- * @pxe: PXE base code protocol interface
- * @pxe_mode: status of the PXE base code protocol
+ * @header: EFI object header
+ * @net: simple network protocol interface
+ * @net_mode: status of the network interface
+ * @pxe: PXE base code protocol interface
+ * @pxe_mode: status of the PXE base code protocol
+ * @ip4_config2: IP4 Config2 protocol interface
+ * @http_service_binding: Http service binding protocol interface
*/
struct efi_net_obj {
struct efi_object header;
@@ -56,6 +74,12 @@ struct efi_net_obj {
struct efi_simple_network_mode net_mode;
struct efi_pxe_base_code_protocol pxe;
struct efi_pxe_mode pxe_mode;
+#if IS_ENABLED(CONFIG_EFI_IP4_CONFIG2_PROTOCOL)
+ struct efi_ip4_config2_protocol ip4_config2;
+#endif
+#if IS_ENABLED(CONFIG_EFI_HTTP_PROTOCOL)
+ struct efi_service_binding_protocol http_service_binding;
+#endif
};
/*
@@ -901,8 +925,10 @@ efi_status_t efi_net_register(void)
&netobj->net);
if (r != EFI_SUCCESS)
goto failure_to_add_protocol;
+ if (!net_dp)
+ efi_net_set_dp("Net", NULL);
r = efi_add_protocol(&netobj->header, &efi_guid_device_path,
- efi_dp_from_eth());
+ net_dp);
if (r != EFI_SUCCESS)
goto failure_to_add_protocol;
r = efi_add_protocol(&netobj->header, &efi_pxe_base_code_protocol_guid,
@@ -981,6 +1007,25 @@ efi_status_t efi_net_register(void)
return r;
}
+#if IS_ENABLED(CONFIG_EFI_IP4_CONFIG2_PROTOCOL)
+ r = efi_ipconfig_register(&netobj->header, &netobj->ip4_config2);
+ if (r != EFI_SUCCESS)
+ goto failure_to_add_protocol;
+#endif
+
+#ifdef CONFIG_EFI_HTTP_PROTOCOL
+ r = efi_http_register(&netobj->header, &netobj->http_service_binding);
+ if (r != EFI_SUCCESS)
+ goto failure_to_add_protocol;
+ /*
+ * No harm on doing the following. If the PXE handle is present, the client could
+ * find it and try to get its IP address from it. In here the PXE handle is present
+ * but the PXE protocol is not yet implmenented, so we add this in the meantime.
+ */
+ efi_net_get_addr((struct efi_ipv4_address *)&netobj->pxe_mode.station_ip,
+ (struct efi_ipv4_address *)&netobj->pxe_mode.subnet_mask, NULL);
+#endif
+
return EFI_SUCCESS;
failure_to_add_protocol:
printf("ERROR: Failure to add protocol\n");
@@ -997,3 +1042,317 @@ out_of_resources:
printf("ERROR: Out of memory\n");
return EFI_OUT_OF_RESOURCES;
}
+
+/**
+ * efi_net_set_dp() - set device path of efi net device
+ *
+ * This gets called to update the device path when a new boot
+ * file is downloaded
+ *
+ * @dev: dev to set the device path from
+ * @server: remote server address
+ * Return: status code
+ */
+efi_status_t efi_net_set_dp(const char *dev, const char *server)
+{
+ efi_free_pool(net_dp);
+
+ net_dp = NULL;
+ if (!strcmp(dev, "Net"))
+ net_dp = efi_dp_from_eth();
+ else if (!strcmp(dev, "Http"))
+ net_dp = efi_dp_from_http(server);
+
+ if (!net_dp)
+ return EFI_OUT_OF_RESOURCES;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ * efi_net_get_dp() - get device path of efi net device
+ *
+ * Produce a copy of the current device path
+ *
+ * @dp: copy of the current device path, or NULL on error
+ */
+void efi_net_get_dp(struct efi_device_path **dp)
+{
+ if (!dp)
+ return;
+ if (!net_dp)
+ efi_net_set_dp("Net", NULL);
+ if (net_dp)
+ *dp = efi_dp_dup(net_dp);
+}
+
+/**
+ * efi_net_get_addr() - get IP address information
+ *
+ * Copy the current IP address, mask, and gateway into the
+ * efi_ipv4_address structs pointed to by ip, mask and gw,
+ * respectively.
+ *
+ * @ip: pointer to an efi_ipv4_address struct to
+ * be filled with the current IP address
+ * @mask: pointer to an efi_ipv4_address struct to
+ * be filled with the current network mask
+ * @gw: pointer to an efi_ipv4_address struct to be
+ * filled with the current network gateway
+ */
+void efi_net_get_addr(struct efi_ipv4_address *ip,
+ struct efi_ipv4_address *mask,
+ struct efi_ipv4_address *gw)
+{
+#ifdef CONFIG_NET_LWIP
+ char ipstr[] = "ipaddr\0\0";
+ char maskstr[] = "netmask\0\0";
+ char gwstr[] = "gatewayip\0\0";
+ int idx;
+ struct in_addr tmp;
+ char *env;
+
+ idx = dev_seq(eth_get_dev());
+
+ if (idx < 0 || idx > 99) {
+ log_err("unexpected idx %d\n", idx);
+ return;
+ }
+
+ if (idx) {
+ sprintf(ipstr, "ipaddr%d", idx);
+ sprintf(maskstr, "netmask%d", idx);
+ sprintf(gwstr, "gatewayip%d", idx);
+ }
+
+ env = env_get(ipstr);
+ if (env && ip) {
+ tmp = string_to_ip(env);
+ memcpy(ip, &tmp, sizeof(tmp));
+ }
+
+ env = env_get(maskstr);
+ if (env && mask) {
+ tmp = string_to_ip(env);
+ memcpy(mask, &tmp, sizeof(tmp));
+ }
+ env = env_get(gwstr);
+ if (env && gw) {
+ tmp = string_to_ip(env);
+ memcpy(gw, &tmp, sizeof(tmp));
+ }
+#else
+ if (ip)
+ memcpy(ip, &net_ip, sizeof(net_ip));
+ if (mask)
+ memcpy(mask, &net_netmask, sizeof(net_netmask));
+#endif
+}
+
+/**
+ * efi_net_set_addr() - set IP address information
+ *
+ * Set the current IP address, mask, and gateway to the
+ * efi_ipv4_address structs pointed to by ip, mask and gw,
+ * respectively.
+ *
+ * @ip: pointer to new IP address
+ * @mask: pointer to new network mask to set
+ * @gw: pointer to new network gateway
+ */
+void efi_net_set_addr(struct efi_ipv4_address *ip,
+ struct efi_ipv4_address *mask,
+ struct efi_ipv4_address *gw)
+{
+#ifdef CONFIG_NET_LWIP
+ char ipstr[] = "ipaddr\0\0";
+ char maskstr[] = "netmask\0\0";
+ char gwstr[] = "gatewayip\0\0";
+ int idx;
+ struct in_addr *addr;
+ char tmp[46];
+
+ idx = dev_seq(eth_get_dev());
+
+ if (idx < 0 || idx > 99) {
+ log_err("unexpected idx %d\n", idx);
+ return;
+ }
+
+ if (idx) {
+ sprintf(ipstr, "ipaddr%d", idx);
+ sprintf(maskstr, "netmask%d", idx);
+ sprintf(gwstr, "gatewayip%d", idx);
+ }
+
+ if (ip) {
+ addr = (struct in_addr *)ip;
+ ip_to_string(*addr, tmp);
+ env_set(ipstr, tmp);
+ }
+
+ if (mask) {
+ addr = (struct in_addr *)mask;
+ ip_to_string(*addr, tmp);
+ env_set(maskstr, tmp);
+ }
+
+ if (gw) {
+ addr = (struct in_addr *)gw;
+ ip_to_string(*addr, tmp);
+ env_set(gwstr, tmp);
+ }
+#else
+ if (ip)
+ memcpy(&net_ip, ip, sizeof(*ip));
+ if (mask)
+ memcpy(&net_netmask, mask, sizeof(*mask));
+#endif
+}
+
+/**
+ * efi_net_set_buffer() - allocate a buffer of min 64K
+ *
+ * @buffer: allocated buffer
+ * @size: desired buffer size
+ * Return: status code
+ */
+static efi_status_t efi_net_set_buffer(void **buffer, size_t size)
+{
+ efi_status_t ret = EFI_SUCCESS;
+
+ if (size < SZ_64K)
+ size = SZ_64K;
+
+ *buffer = efi_alloc(size);
+ if (!*buffer)
+ ret = EFI_OUT_OF_RESOURCES;
+
+ efi_wget_info.buffer_size = (ulong)size;
+
+ return ret;
+}
+
+/**
+ * efi_net_parse_headers() - parse HTTP headers
+ *
+ * Parses the raw buffer efi_wget_info.headers into an array headers
+ * of efi structs http_headers. The array should be at least
+ * MAX_HTTP_HEADERS long.
+ *
+ * @num_headers: number of headers
+ * @headers: caller provided array of struct http_headers
+ */
+void efi_net_parse_headers(ulong *num_headers, struct http_header *headers)
+{
+ if (!num_headers || !headers)
+ return;
+
+ // Populate info with http headers.
+ *num_headers = 0;
+ const uchar *line_start = efi_wget_info.headers;
+ const uchar *line_end;
+ ulong count;
+ struct http_header *current_header;
+ const uchar *separator;
+ size_t name_length, value_length;
+
+ // Skip the first line (request or status line)
+ line_end = strstr(line_start, "\r\n");
+
+ if (line_end)
+ line_start = line_end + 2;
+
+ while ((line_end = strstr(line_start, "\r\n")) != NULL) {
+ count = *num_headers;
+ if (line_start == line_end || count >= MAX_HTTP_HEADERS)
+ break;
+ current_header = headers + count;
+ separator = strchr(line_start, ':');
+ if (separator) {
+ name_length = separator - line_start;
+ ++separator;
+ while (*separator == ' ')
+ ++separator;
+ value_length = line_end - separator;
+ if (name_length < MAX_HTTP_HEADER_NAME &&
+ value_length < MAX_HTTP_HEADER_VALUE) {
+ strncpy(current_header->name, line_start, name_length);
+ current_header->name[name_length] = '\0';
+ strncpy(current_header->value, separator, value_length);
+ current_header->value[value_length] = '\0';
+ (*num_headers)++;
+ }
+ }
+ line_start = line_end + 2;
+ }
+}
+
+/**
+ * efi_net_do_request() - issue an HTTP request using wget
+ *
+ * @url: url
+ * @method: HTTP method
+ * @buffer: data buffer
+ * @status_code: HTTP status code
+ * @file_size: file size in bytes
+ * @headers_buffer: headers buffer
+ * Return: status code
+ */
+efi_status_t efi_net_do_request(u8 *url, enum efi_http_method method, void **buffer,
+ u32 *status_code, ulong *file_size, char *headers_buffer)
+{
+ efi_status_t ret = EFI_SUCCESS;
+ int wget_ret;
+ static bool last_head;
+
+ if (!buffer || !file_size)
+ return EFI_ABORTED;
+
+ efi_wget_info.method = (enum wget_http_method)method;
+ efi_wget_info.headers = headers_buffer;
+
+ switch (method) {
+ case HTTP_METHOD_GET:
+ ret = efi_net_set_buffer(buffer, last_head ? (size_t)efi_wget_info.hdr_cont_len : 0);
+ if (ret != EFI_SUCCESS)
+ goto out;
+ wget_ret = wget_request((ulong)*buffer, url, &efi_wget_info);
+ if ((ulong)efi_wget_info.hdr_cont_len > efi_wget_info.buffer_size) {
+ // Try again with updated buffer size
+ efi_free_pool(*buffer);
+ ret = efi_net_set_buffer(buffer, (size_t)efi_wget_info.hdr_cont_len);
+ if (ret != EFI_SUCCESS)
+ goto out;
+ if (wget_request((ulong)*buffer, url, &efi_wget_info)) {
+ efi_free_pool(*buffer);
+ ret = EFI_DEVICE_ERROR;
+ goto out;
+ }
+ } else if (wget_ret) {
+ efi_free_pool(*buffer);
+ ret = EFI_DEVICE_ERROR;
+ goto out;
+ }
+ // Pass the actual number of received bytes to the application
+ *file_size = efi_wget_info.file_size;
+ *status_code = efi_wget_info.status_code;
+ last_head = false;
+ break;
+ case HTTP_METHOD_HEAD:
+ ret = efi_net_set_buffer(buffer, 0);
+ if (ret != EFI_SUCCESS)
+ goto out;
+ wget_request((ulong)*buffer, url, &efi_wget_info);
+ *file_size = 0;
+ *status_code = efi_wget_info.status_code;
+ last_head = true;
+ break;
+ default:
+ ret = EFI_UNSUPPORTED;
+ break;
+ }
+
+out:
+ return ret;
+}
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-24 05:57:53 +0000