*/
+#include <asm/global_data.h>
#include <command.h>
-#include <common.h>
#include <display_options.h>
#include <env.h>
#include <image.h>
+#include <lmb.h>
#include <mapmem.h>
#include <net.h>
#include <net/tcp.h>
#include <net/wget.h>
+#include <stdlib.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* The default, change with environment variable 'httpdstp' */
+#define SERVER_PORT 80
static const char bootfile1[] = "GET ";
static const char bootfile3[] = " HTTP/1.0\r\n\r\n";
* The actual packet bufers are in the kernel space, and are
* expected to be overwritten by the downloaded image.
*/
-static struct pkt_qd pkt_q[PKTBUFSRX / 4];
+#define PKTQ_SZ (PKTBUFSRX / 4)
+static struct pkt_qd pkt_q[PKTQ_SZ];
static int pkt_q_idx;
static unsigned long content_length;
static unsigned int packets;
static unsigned int initial_data_seq_num;
+static unsigned int next_data_seq_num;
static enum wget_state current_wget_state;
static unsigned int retry_tcp_seq_num; /* TCP retry sequence number */
static int retry_len; /* TCP retry length */
+static ulong wget_load_size;
+
+/**
+ * wget_init_max_size() - initialize maximum load size
+ *
+ * Return: 0 if success, -1 if fails
+ */
+static int wget_init_load_size(void)
+{
+ struct lmb lmb;
+ phys_size_t max_size;
+
+ lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
+
+ max_size = lmb_get_free_size(&lmb, image_load_addr);
+ if (!max_size)
+ return -1;
+
+ wget_load_size = max_size;
+
+ return 0;
+}
+
/**
* store_block() - store block in memory
* @src: source of data
*/
static inline int store_block(uchar *src, unsigned int offset, unsigned int len)
{
+ ulong store_addr = image_load_addr + offset;
ulong newsize = offset + len;
uchar *ptr;
- ptr = map_sysmem(image_load_addr + offset, len);
+ if (IS_ENABLED(CONFIG_LMB)) {
+ ulong end_addr = image_load_addr + wget_load_size;
+
+ if (!end_addr)
+ end_addr = ULONG_MAX;
+
+ if (store_addr < image_load_addr ||
+ store_addr + len > end_addr) {
+ printf("\nwget error: ");
+ printf("trying to overwrite reserved memory...\n");
+ return -1;
+ }
+ }
+
+ ptr = map_sysmem(store_addr, len);
memcpy(ptr, src, len);
unmap_sysmem(ptr);
int len = retry_len;
unsigned int tcp_ack_num = retry_tcp_seq_num + (len == 0 ? 1 : len);
unsigned int tcp_seq_num = retry_tcp_ack_num;
+ unsigned int server_port;
uchar *ptr, *offset;
+ server_port = env_get_ulong("httpdstp", 10, SERVER_PORT) & 0xffff;
+
switch (current_wget_state) {
case WGET_CLOSED:
debug_cond(DEBUG_WGET, "wget: send SYN\n");
current_wget_state = WGET_CONNECTING;
- net_send_tcp_packet(0, SERVER_PORT, our_port, action,
+ net_send_tcp_packet(0, server_port, our_port, action,
tcp_seq_num, tcp_ack_num);
packets = 0;
break;
case WGET_CONNECTING:
pkt_q_idx = 0;
- net_send_tcp_packet(0, SERVER_PORT, our_port, action,
+ net_send_tcp_packet(0, server_port, our_port, action,
tcp_seq_num, tcp_ack_num);
ptr = net_tx_packet + net_eth_hdr_size() +
memcpy(offset, &bootfile3, strlen(bootfile3));
offset += strlen(bootfile3);
- net_send_tcp_packet((offset - ptr), SERVER_PORT, our_port,
+ net_send_tcp_packet((offset - ptr), server_port, our_port,
TCP_PUSH, tcp_seq_num, tcp_ack_num);
current_wget_state = WGET_CONNECTED;
break;
case WGET_CONNECTED:
case WGET_TRANSFERRING:
case WGET_TRANSFERRED:
- net_send_tcp_packet(0, SERVER_PORT, our_port, action,
+ net_send_tcp_packet(0, server_port, our_port, action,
tcp_seq_num, tcp_ack_num);
break;
}
pkt_in_q = (void *)image_load_addr + PKT_QUEUE_OFFSET +
(pkt_q_idx * PKT_QUEUE_PACKET_SIZE);
- ptr1 = map_sysmem((phys_addr_t)pkt_in_q, len);
+ ptr1 = map_sysmem((ulong)pkt_in_q, len);
memcpy(ptr1, pkt, len);
unmap_sysmem(ptr1);
pkt_q[pkt_q_idx].tcp_seq_num = tcp_seq_num;
pkt_q[pkt_q_idx].len = len;
pkt_q_idx++;
+
+ if (pkt_q_idx >= PKTQ_SZ) {
+ printf("wget: Fatal error, queue overrun!\n");
+ net_set_state(NETLOOP_FAIL);
+
+ return;
+ }
} else {
debug_cond(DEBUG_WGET, "wget: Connected HTTP Header %p\n", pkt);
/* sizeof(http_eom) - 1 is the string length of (http_eom) */
current_wget_state = WGET_TRANSFERRING;
+ initial_data_seq_num = tcp_seq_num + hlen;
+ next_data_seq_num = tcp_seq_num + len;
+
if (strstr((char *)pkt, http_ok) == 0) {
debug_cond(DEBUG_WGET,
"wget: Connected Bad Xfer\n");
- initial_data_seq_num = tcp_seq_num + hlen;
wget_loop_state = NETLOOP_FAIL;
wget_send(action, tcp_seq_num, tcp_ack_num, len);
} else {
debug_cond(DEBUG_WGET,
"wget: Connctd pkt %p hlen %x\n",
pkt, hlen);
- initial_data_seq_num = tcp_seq_num + hlen;
pos = strstr((char *)pkt, content_len);
if (!pos) {
net_boot_file_size = 0;
- if (len > hlen)
- store_block(pkt + hlen, 0, len - hlen);
+ if (len > hlen) {
+ if (store_block(pkt + hlen, 0, len - hlen) != 0) {
+ wget_loop_state = NETLOOP_FAIL;
+ wget_fail("wget: store error\n", tcp_seq_num, tcp_ack_num, action);
+ net_set_state(NETLOOP_FAIL);
+ return;
+ }
+ }
debug_cond(DEBUG_WGET,
"wget: Connected Pkt %p hlen %x\n",
pkt, hlen);
for (i = 0; i < pkt_q_idx; i++) {
- ptr1 = map_sysmem(
- (phys_addr_t)(pkt_q[i].pkt),
- pkt_q[i].len);
- store_block(ptr1,
- pkt_q[i].tcp_seq_num -
- initial_data_seq_num,
- pkt_q[i].len);
+ int err;
+
+ ptr1 = map_sysmem((ulong)pkt_q[i].pkt,
+ pkt_q[i].len);
+ err = store_block(ptr1,
+ pkt_q[i].tcp_seq_num -
+ initial_data_seq_num,
+ pkt_q[i].len);
unmap_sysmem(ptr1);
debug_cond(DEBUG_WGET,
"wget: Connctd pkt Q %p len %x\n",
pkt_q[i].pkt, pkt_q[i].len);
+ if (err) {
+ wget_loop_state = NETLOOP_FAIL;
+ wget_fail("wget: store error\n", tcp_seq_num, tcp_ack_num, action);
+ net_set_state(NETLOOP_FAIL);
+ return;
+ }
}
}
}
"wget: Transferring, seq=%x, ack=%x,len=%x\n",
tcp_seq_num, tcp_ack_num, len);
- if (tcp_seq_num >= initial_data_seq_num &&
- store_block(pkt, tcp_seq_num - initial_data_seq_num,
- len) != 0) {
+ if (next_data_seq_num != tcp_seq_num) {
+ debug_cond(DEBUG_WGET, "wget: seq=%x packet was lost\n", next_data_seq_num);
+ return;
+ }
+ next_data_seq_num = tcp_seq_num + len;
+
+ if (store_block(pkt, tcp_seq_num - initial_data_seq_num, len) != 0) {
wget_fail("wget: store error\n",
tcp_seq_num, tcp_ack_num, action);
+ net_set_state(NETLOOP_FAIL);
return;
}
debug_cond(DEBUG_WGET,
"\nwget:Load address: 0x%lx\nLoading: *\b", image_load_addr);
+ if (IS_ENABLED(CONFIG_LMB)) {
+ if (wget_init_load_size()) {
+ printf("\nwget error: ");
+ printf("trying to overwrite reserved memory...\n");
+ net_set_state(NETLOOP_FAIL);
+ return;
+ }
+ }
+
net_set_timeout_handler(wget_timeout, wget_timeout_handler);
tcp_set_tcp_handler(wget_handler);
wget_send(TCP_SYN, 0, 0, 0);
}
+
+#if (IS_ENABLED(CONFIG_CMD_DNS))
+int wget_with_dns(ulong dst_addr, char *uri)
+{
+ int ret;
+ char *s, *host_name, *file_name, *str_copy;
+
+ /*
+ * Download file using wget.
+ *
+ * U-Boot wget takes the target uri in this format.
+ * "<http server ip>:<file path>" e.g.) 192.168.1.1:/sample/test.iso
+ * Need to resolve the http server ip address before starting wget.
+ */
+ str_copy = strdup(uri);
+ if (!str_copy)
+ return -ENOMEM;
+
+ s = str_copy + strlen("http://");
+ host_name = strsep(&s, "/");
+ if (!s) {
+ log_err("Error: invalied uri, no file path\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ file_name = s;
+
+ /* TODO: If the given uri has ip address for the http server, skip dns */
+ net_dns_resolve = host_name;
+ net_dns_env_var = "httpserverip";
+ if (net_loop(DNS) < 0) {
+ log_err("Error: dns lookup of %s failed, check setup\n", net_dns_resolve);
+ ret = -EINVAL;
+ goto out;
+ }
+ s = env_get("httpserverip");
+ if (!s) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ strlcpy(net_boot_file_name, s, sizeof(net_boot_file_name));
+ strlcat(net_boot_file_name, ":/", sizeof(net_boot_file_name)); /* append '/' which is removed by strsep() */
+ strlcat(net_boot_file_name, file_name, sizeof(net_boot_file_name));
+ image_load_addr = dst_addr;
+ ret = net_loop(WGET);
+
+out:
+ free(str_copy);
+
+ return ret;
+}
+#endif
+
+/**
+ * wget_validate_uri() - validate the uri for wget
+ *
+ * @uri: uri string
+ *
+ * This function follows the current U-Boot wget implementation.
+ * scheme: only "http:" is supported
+ * authority:
+ * - user information: not supported
+ * - host: supported
+ * - port: not supported(always use the default port)
+ *
+ * Uri is expected to be correctly percent encoded.
+ * This is the minimum check, control codes(0x1-0x19, 0x7F, except '\0')
+ * and space character(0x20) are not allowed.
+ *
+ * TODO: stricter uri conformance check
+ *
+ * Return: true on success, false on failure
+ */
+bool wget_validate_uri(char *uri)
+{
+ char c;
+ bool ret = true;
+ char *str_copy, *s, *authority;
+
+ for (c = 0x1; c < 0x21; c++) {
+ if (strchr(uri, c)) {
+ log_err("invalid character is used\n");
+ return false;
+ }
+ }
+ if (strchr(uri, 0x7f)) {
+ log_err("invalid character is used\n");
+ return false;
+ }
+
+ if (strncmp(uri, "http://", 7)) {
+ log_err("only http:// is supported\n");
+ return false;
+ }
+ str_copy = strdup(uri);
+ if (!str_copy)
+ return false;
+
+ s = str_copy + strlen("http://");
+ authority = strsep(&s, "/");
+ if (!s) {
+ log_err("invalid uri, no file path\n");
+ ret = false;
+ goto out;
+ }
+ s = strchr(authority, '@');
+ if (s) {
+ log_err("user information is not supported\n");
+ ret = false;
+ goto out;
+ }
+ s = strchr(authority, ':');
+ if (s) {
+ log_err("user defined port is not supported\n");
+ ret = false;
+ goto out;
+ }
+
+out:
+ free(str_copy);
+
+ return ret;
+}
projects / J-u-boot.git / blobdiff