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Commits › 193ccd4
Add support for md5 checksums (needed for old format)
Baptiste Daroussin committed 13 years ago
commit 193ccd41911c19aa6fdfd65c46d129e69a0a069e
parent 145f227
3 files changed +48 -0
modified libpkg/private/pkg.h
@@ -36,6 +36,7 @@
#include <archive.h>

#include <sqlite3.h>

#include <openssl/sha.h>
+ 
#include <openssl/md5.h>

#include <stdbool.h>

#include <uthash.h>
modified libpkg/private/utils.h
@@ -34,6 +34,7 @@


#include <openssl/pem.h>

#include <openssl/sha.h>
+ 
#include <openssl/md5.h>



#define STARTS_WITH(string, needle) (strncasecmp(string, needle, strlen(needle)) == 0)
@@ -70,6 +71,7 @@ int is_dir(const char *);
int is_conf_file(const char *path, char *newpath, size_t len);



int sha256_file(const char *, char[SHA256_DIGEST_LENGTH * 2 +1]);
+ 
int md5_file(const char *, char[MD5_DIGEST_LENGTH * 2 +1]);



int rsa_sign(char *path, pem_password_cb *password_cb, char *rsa_key_path,

		 unsigned char **sigret, unsigned int *siglen);
modified libpkg/utils.c
@@ -278,6 +278,51 @@ is_dir(const char *path)
}



static void
+ 
md5_hash(unsigned char hash[MD5_DIGEST_LENGTH],
+ 
    char out[MD5_DIGEST_LENGTH * 2 + 1])
+ 
{
+ 
	int i;
+ 
	for (i = 0; i < MD5_DIGEST_LENGTH; i++)
+ 
		sprintf(out + (i *2), "%02x", hash[i]);
+
+ 
	out[MD5_DIGEST_LENGTH * 2] = '\0';
+ 
}
+
+ 
int
+ 
md5_file(const char *path, char out[MD5_DIGEST_LENGTH * 2 + 1])
+ 
{
+ 
	FILE *fp;
+ 
	char buffer[BUFSIZ];
+ 
	unsigned char hash[SHA256_DIGEST_LENGTH];
+ 
	size_t r = 0;
+ 
	MD5_CTX md5;
+
+ 
	if ((fp = fopen(path, "rb")) == NULL) {
+ 
		pkg_emit_errno("fopen", path);
+ 
		return EPKG_FATAL;
+ 
	}
+
+ 
	MD5_Init(&md5);
+
+ 
	while ((r = fread(buffer, 1, BUFSIZ, fp)) > 0)
+ 
		MD5_Update(&md5, buffer, r);
+
+ 
	if (ferror(fp) != 0) {
+ 
		fclose(fp);
+ 
		out[0] = '\0';
+ 
		pkg_emit_errno("fread", path);
+ 
		return EPKG_FATAL;
+ 
	}
+
+ 
	fclose(fp);
+
+ 
	MD5_Final(hash, &md5);
+ 
	md5_hash(hash, out);
+
+ 
	return (EPKG_OK);
+ 
}
+
+ 
static void

sha256_hash(unsigned char hash[SHA256_DIGEST_LENGTH],

    char out[SHA256_DIGEST_LENGTH * 2 + 1])

{