Blame SOURCES/fipscheck-1.4.1-empty-hmac.patch
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diff -up fipscheck-1.4.1/src/fipscheck.c.empty-hmac fipscheck-1.4.1/src/fipscheck.c
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--- fipscheck-1.4.1/src/fipscheck.c.empty-hmac 2013-09-10 10:54:30.000000000 +0200
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+++ fipscheck-1.4.1/src/fipscheck.c 2017-02-21 14:30:27.616371594 +0100
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@@ -34,13 +34,15 @@
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#include "filehmac.h"
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#include "fipscheck.h"
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+#define MAX_HMAC_LEN 1024
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+
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static int
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verify_hmac(const char *path, const char *hmac_suffix)
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{
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FILE *hf = NULL;
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char *hmacpath, *p;
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- int rv = 0;
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- char *hmac = NULL;
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+ int rv = 1;
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+ char hmac[MAX_HMAC_LEN];
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size_t n;
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const char *hmacdir = PATH_HMACDIR;
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@@ -62,7 +64,7 @@ verify_hmac(const char *path, const char
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hmacdir = NULL;
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} while (hf == NULL);
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- if (getline(&hmac, &n, hf) > 0) {
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+ if (fgets(hmac, sizeof(hmac), hf) != NULL) {
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void *buf;
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size_t hmaclen;
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char *hex;
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@@ -84,14 +86,17 @@ verify_hmac(const char *path, const char
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if (strcmp(hex, hmac) != 0) {
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debug_log("Hmac mismatch on file '%s'", path);
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- rv = 1;
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+ } else {
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+ /* checksum matched */
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+ rv = 0;
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}
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free(buf);
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free(hex);
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+ } else {
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+ debug_log("Empty or broken hmac on file '%s'", path);
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}
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end:
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- free(hmac);
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fclose(hf);
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return rv;
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}
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