151 lines
4.7 KiB
Diff
151 lines
4.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Stephen Benjamin <stephen@redhat.com>
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Date: Thu, 16 Aug 2018 16:58:51 -0400
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Subject: [PATCH] Prepend prefix when HTTP path is relative
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This sets a couple of variables. With the url http://www.example.com/foo/bar :
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http_path: /foo/bar
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http_url: http://www.example.com/foo/bar
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/kern/main.c | 10 +++++-
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grub-core/net/efi/http.c | 82 ++++++++++++++++++++++++++++++++++++------------
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2 files changed, 71 insertions(+), 21 deletions(-)
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diff --git a/grub-core/kern/main.c b/grub-core/kern/main.c
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index da47b18b50e..dcf48726d54 100644
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--- a/grub-core/kern/main.c
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+++ b/grub-core/kern/main.c
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@@ -130,11 +130,19 @@ grub_set_prefix_and_root (void)
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if (fwdevice && fwpath)
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{
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char *fw_path;
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+ char separator[3] = ")";
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- fw_path = grub_xasprintf ("(%s)/%s", fwdevice, fwpath);
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+ grub_dprintf ("fw_path", "\n");
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+ grub_dprintf ("fw_path", "fwdevice:\"%s\" fwpath:\"%s\"\n", fwdevice, fwpath);
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+
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+ if (!grub_strncmp(fwdevice, "http", 4) && fwpath[0] != '/')
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+ grub_strcpy(separator, ")/");
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+
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+ fw_path = grub_xasprintf ("(%s%s%s", fwdevice, separator, fwpath);
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if (fw_path)
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{
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grub_env_set ("fw_path", fw_path);
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+ grub_dprintf ("fw_path", "fw_path:\"%s\"\n", fw_path);
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grub_free (fw_path);
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}
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}
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diff --git a/grub-core/net/efi/http.c b/grub-core/net/efi/http.c
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index 243acbaa35b..2a9624dacc4 100644
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--- a/grub-core/net/efi/http.c
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+++ b/grub-core/net/efi/http.c
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@@ -9,10 +9,52 @@
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static void
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http_configure (struct grub_efi_net_device *dev, int prefer_ip6)
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{
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+ grub_efi_ipv6_address_t address;
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grub_efi_http_config_data_t http_config;
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grub_efi_httpv4_access_point_t httpv4_node;
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grub_efi_httpv6_access_point_t httpv6_node;
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grub_efi_status_t status;
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+ int https;
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+ char *http_url;
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+ const char *rest, *http_server, *http_path = NULL;
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+
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+ http_server = grub_env_get ("root");
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+ https = grub_strncmp (http_server, "https", 5) ? 1 : 0;
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+
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+ /* extract http server + port */
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+ if (http_server)
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+ {
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+ http_server = grub_strchr (http_server, ',');
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+ if (http_server)
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+ http_server++;
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+ }
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+
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+ /* fw_path is like (http,192.168.1.1:8000)/httpboot, extract path part */
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+ http_path = grub_env_get ("fw_path");
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+ if (http_path)
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+ {
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+ http_path = grub_strchr (http_path, ')');
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+ if (http_path)
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+ {
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+ http_path++;
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+ grub_env_unset ("http_path");
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+ grub_env_set ("http_path", http_path);
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+ }
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+ }
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+
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+ if (http_server && http_path)
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+ {
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+ if (grub_efi_string_to_ip6_address (http_server, &address, &rest) && *rest == 0)
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+ http_url = grub_xasprintf ("%s://[%s]%s", https ? "https" : "http", http_server, http_path);
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+ else
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+ http_url = grub_xasprintf ("%s://%s%s", https ? "https" : "http", http_server, http_path);
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+ if (http_url)
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+ {
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+ grub_env_unset ("http_url");
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+ grub_env_set ("http_url", http_url);
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+ grub_free (http_url);
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+ }
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+ }
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grub_efi_http_t *http = dev->http;
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@@ -352,32 +394,32 @@ grub_efihttp_open (struct grub_efi_net_device *dev,
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grub_err_t err;
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grub_off_t size;
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char *buf;
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- char *root_url;
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- grub_efi_ipv6_address_t address;
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- const char *rest;
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+ char *file_name;
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+ const char *http_path;
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- if (grub_efi_string_to_ip6_address (file->device->net->server, &address, &rest) && *rest == 0)
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- root_url = grub_xasprintf ("%s://[%s]", type ? "https" : "http", file->device->net->server);
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+ /* If path is relative, prepend http_path */
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+ http_path = grub_env_get ("http_path");
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+ if (http_path && file->device->net->name[0] != '/')
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+ file_name = grub_xasprintf ("%s/%s", http_path, file->device->net->name);
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else
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- root_url = grub_xasprintf ("%s://%s", type ? "https" : "http", file->device->net->server);
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- if (root_url)
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- {
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- grub_env_unset ("root_url");
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- grub_env_set ("root_url", root_url);
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- grub_free (root_url);
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- }
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- else
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- {
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- return grub_errno;
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- }
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+ file_name = grub_strdup (file->device->net->name);
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- err = efihttp_request (dev->http, file->device->net->server, file->device->net->name, type, 1, 0);
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+ if (!file_name)
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+ return grub_errno;
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+
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+ err = efihttp_request (dev->http, file->device->net->server, file_name, type, 1, 0);
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if (err != GRUB_ERR_NONE)
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- return err;
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+ {
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+ grub_free (file_name);
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+ return err;
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+ }
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- err = efihttp_request (dev->http, file->device->net->server, file->device->net->name, type, 0, &size);
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+ err = efihttp_request (dev->http, file->device->net->server, file_name, type, 0, &size);
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+ grub_free (file_name);
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if (err != GRUB_ERR_NONE)
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- return err;
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+ {
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+ return err;
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+ }
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buf = grub_malloc (size);
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efihttp_read (dev, buf, size);
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