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From 9a209af5d84f4015ec399e1d1fa9dab31ef4d2b7 Mon Sep 17 00:00:00 2001
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From: Thomas Frauendorfer | Miray Software <tf@miray.de>
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Date: Wed, 25 Mar 2020 09:19:19 +0100
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Subject: [PATCH 49/62] Check PxeReplyReceived as fallback in netboot
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Some mainboards do not update the ProxyOffset dhcp information when using
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proxy dhcp and boot menus.
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This adds a fallback to check the PxeReply field if no boot information is
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found in the v4 dhcp or proxy dhcp information
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Upstream-commit-id: cc7ebe0f9f4
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---
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netboot.c | 15 ++++++++++++---
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1 file changed, 12 insertions(+), 3 deletions(-)
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mode change 100644 => 100755 netboot.c
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diff --git a/netboot.c b/netboot.c
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old mode 100644
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new mode 100755
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index 4922ef284b1..047dad3a760
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--- a/netboot.c
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+++ b/netboot.c
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@@ -273,7 +273,16 @@ static EFI_STATUS parseDhcp4()
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pkt_v4 = &pxe->Mode->ProxyOffer.Dhcpv4;
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}
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- INTN dir_len = strnlena(pkt_v4->BootpBootFile, 127);
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+ if(pxe->Mode->PxeReplyReceived) {
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+ /*
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+ * If we have no bootinfo yet search for it in the PxeReply.
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+ * Some mainboards run into this when the server uses boot menus
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+ */
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+ if(pkt_v4->BootpBootFile[0] == '\0' && pxe->Mode->PxeReply.Dhcpv4.BootpBootFile[0] != '\0')
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+ pkt_v4 = &pxe->Mode->PxeReply.Dhcpv4;
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+ }
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+
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+ INTN dir_len = strnlena((CHAR8 *)pkt_v4->BootpBootFile, 127);
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INTN i;
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UINT8 *dir = pkt_v4->BootpBootFile;
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@@ -289,7 +298,7 @@ static EFI_STATUS parseDhcp4()
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return EFI_OUT_OF_RESOURCES;
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if (dir_len > 0) {
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- strncpya(full_path, dir, dir_len);
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+ strncpya(full_path, (CHAR8 *)dir, dir_len);
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if (full_path[dir_len-1] == '/' && template[0] == '/')
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full_path[dir_len-1] = '\0';
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}
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@@ -340,7 +349,7 @@ EFI_STATUS FetchNetbootimage(EFI_HANDLE image_handle, VOID **buffer, UINT64 *buf
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try_again:
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efi_status = pxe->Mtftp(pxe, read, *buffer, overwrite, bufsiz, &blksz,
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- &tftp_addr, full_path, NULL, nobuffer);
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+ &tftp_addr, (UINT8 *)full_path, NULL, nobuffer);
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if (efi_status == EFI_BUFFER_TOO_SMALL) {
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/* try again, doubling buf size */
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*bufsiz *= 2;
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--
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2.26.2
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