2820983477
Update to 113 OBS-URL: https://build.opensuse.org/request/show/702580 OBS-URL: https://build.opensuse.org/package/show/Base:System/pesign?expand=0&rev=46
75 lines
2.0 KiB
Diff
75 lines
2.0 KiB
Diff
From b3c58e3b9237f90e865723837a9389fcb25f6945 Mon Sep 17 00:00:00 2001
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From: Gary Ching-Pang Lin <glin@suse.com>
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Date: Tue, 1 Jul 2014 14:43:35 +0800
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Subject: [PATCH] authvar: fix the write loop
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I forgot to move the pointer...
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Also use offsetof() instead of the wordsize check.
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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---
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src/authvar_context.c | 16 +++++++---------
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1 file changed, 7 insertions(+), 9 deletions(-)
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diff --git a/src/authvar_context.c b/src/authvar_context.c
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index 7a753fc..c51c666 100644
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--- a/src/authvar_context.c
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+++ b/src/authvar_context.c
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@@ -20,6 +20,7 @@
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#include "fix_coverity.h"
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#include <unistd.h>
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+#include <stddef.h>
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#include <sys/mman.h>
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#include <prerror.h>
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@@ -135,11 +136,7 @@ generate_descriptor(authvar_context *ctx)
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if (rc < 0)
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cmsreterr(-1, ctx->cms_ctx, "could not create signed data");
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-#if __WORDSIZE == 64
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- offset = (uint64_t) &((win_cert_uefi_guid_t *)0)->data;
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-#else
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- offset = (uint32_t) &((win_cert_uefi_guid_t *)0)->data;
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-#endif
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+ offset = offsetof(win_cert_uefi_guid_t, data);
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authinfo = calloc(offset + sd_der.len, 1);
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if (!authinfo)
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cmsreterr(-1, ctx->cms_ctx, "could not allocate authinfo");
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@@ -162,6 +159,7 @@ write_authvar(authvar_context *ctx)
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void *buffer, *ptr;
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size_t buf_len, des_len, remain;
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ssize_t wlen;
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+ off_t offset;
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if (!ctx->authinfo)
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cmsreterr(-1, ctx->cms_ctx, "Not a valid authvar");
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@@ -189,19 +187,19 @@ write_authvar(authvar_context *ctx)
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if (ctx->value_size > 0)
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memcpy(ptr, ctx->value, ctx->value_size);
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- if (!ctx->to_firmware) {
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- ftruncate(ctx->exportfd, buf_len);
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+ if (!ctx->to_firmware)
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lseek(ctx->exportfd, 0, SEEK_SET);
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- }
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remain = buf_len;
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+ offset = 0;
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do {
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- wlen = write(ctx->exportfd, buffer, remain);
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+ wlen = write(ctx->exportfd, buffer + offset, remain);
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if (wlen < 0) {
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free(buffer);
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cmsreterr(-1, ctx->cms_ctx, "failed to write authvar");
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}
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remain -= wlen;
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+ offset += wlen;
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} while (remain > 0);
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free(buffer);
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--
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2.21.0
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