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47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Tue, 2 Jun 2020 13:25:01 +0200
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Subject: [PATCH] http: Prepend prefix when the HTTP path is relative as done
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in efi/http
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There are two different HTTP drivers that can be used when requesting an
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HTTP resource: the efi/http that uses the EFI_HTTP_PROTOCOL and the http
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that uses GRUB's HTTP and TCP/IP implementation.
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The efi/http driver appends a prefix that is defined in the variable
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http_path, but the http driver doesn't.
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So using this driver and attempting to fetch a resource using a relative
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path fails.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/net/http.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/grub-core/net/http.c b/grub-core/net/http.c
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index af486198399..ce2b492c353 100644
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--- a/grub-core/net/http.c
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+++ b/grub-core/net/http.c
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@@ -502,13 +502,20 @@ http_open (struct grub_file *file, const char *filename)
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{
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grub_err_t err;
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struct http_data *data;
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+ const char *http_path;
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data = grub_zalloc (sizeof (*data));
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if (!data)
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return grub_errno;
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file->size = GRUB_FILE_SIZE_UNKNOWN;
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- data->filename = grub_strdup (filename);
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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 && filename[0] != '/')
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+ data->filename = grub_xasprintf ("%s/%s", http_path, filename);
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+ else
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+ data->filename = grub_strdup (filename);
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+
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if (!data->filename)
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{
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grub_free (data);
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