75 lines
2.2 KiB
Diff
75 lines
2.2 KiB
Diff
From: Andreas Stieger <astieger@suse.com>
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Date: Mon, 8 May 2017 21:51:28 +0200
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Subject: some IO improvements
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References: https://github.com/cr-marcstevens/sha1collisiondetection/pull/28
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---
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src/main.c | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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Index: sha1collisiondetection-stable-v1.0.3/src/main.c
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===================================================================
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--- sha1collisiondetection-stable-v1.0.3.orig/src/main.c 2017-05-22 18:17:51.339889238 +0200
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+++ sha1collisiondetection-stable-v1.0.3/src/main.c 2017-05-22 18:18:14.471988044 +0200
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@@ -8,6 +8,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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+#include <errno.h>
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#include <libgen.h>
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#include "sha1.h"
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@@ -23,7 +24,7 @@ int main(int argc, char** argv)
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if (argc < 2)
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{
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- printf("Usage: %s <file>\n", basename(argv[0]));
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+ fprintf(stderr, "Usage: %s <file>\n", basename(argv[0]));
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return 1;
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}
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@@ -37,10 +38,14 @@ int main(int argc, char** argv)
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SHA1DCSetDetectReducedRoundCollision(&ctx2, 1);
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}
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- fd = fopen(argv[i], "rb");
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+ if(!strcmp(argv[i],"-")) {
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+ fd = stdin;
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+ } else {
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+ fd = fopen(argv[i], "rb");
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+ }
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if (fd == NULL)
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{
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- printf("cannot open file: %s\n", argv[i]);
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+ fprintf(stderr, "cannot open file: %s: %s\n", argv[i], strerror(errno));
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return 1;
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}
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@@ -53,12 +58,12 @@ int main(int argc, char** argv)
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}
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if (ferror(fd))
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{
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- printf("error while reading file: %s\n", argv[i]);
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+ fprintf(stderr, "error while reading file: %s: %s\n", argv[i], strerror(errno));
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return 1;
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}
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if (!feof(fd))
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{
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- printf("not end of file?: %s\n",argv[i]);
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+ fprintf(stderr, "not end of file?: %s: %s\n", argv[i], strerror(errno));
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return 1;
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}
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Index: sha1collisiondetection-stable-v1.0.3/README.md
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===================================================================
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--- sha1collisiondetection-stable-v1.0.3.orig/README.md 2017-05-22 18:17:51.339889238 +0200
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+++ sha1collisiondetection-stable-v1.0.3/README.md 2017-05-22 18:17:54.539902741 +0200
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@@ -51,6 +51,7 @@ Examples:
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```
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bin/sha1dcsum test/sha1_reducedsha_coll.bin test/shattered-1.pdf
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bin/sha1dcsum_partialcoll test/sha1reducedsha_coll.bin test/shattered-1.pdf
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+pipe_data | bin/sha1dcsum -
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```
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## Library usage
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