From nobody Thu Mar 9 20:31:37 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4PXgnk0jqnz3xMBw; Thu, 9 Mar 2023 20:31:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4PXgnk022yz3HbL; Thu, 9 Mar 2023 20:31:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1678393898; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=4VfNKAgcfqA7W19hg80ETsEjwEIpqrTTKvNM58yuO5Q=; b=OmQOFphTo5AS7YVV7IIpckZEGFaaU/d557dH3LNKaTuGLcrRy/xlJ2md348pUdwhu7TBsZ kRiS4QlMznf2UU22d1cJgySis+gjRXEBw5H3fdmsEYen0/DJyahkzNMij5ajNE4Ww+0cna EhTO4j/iDEE588NYpy4GyqUgYeQJfGo6F/ZuNavVDvgSfGJ5YBjx8GeFHkiLnTqiOuUGdW 0e+HuqI3SlqU4qAnQ1FxphIswc+FNBTGZBDf5P3Qjfu5bt3Ad/q6H/TbqhlgDVdLm9v3Ks 6iXxYRc88EP7rxtXs1YZK19VCZNJ5JSK2Cq5yxiYhEyrr6AH9CiDRTJ/cPrMnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1678393898; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=4VfNKAgcfqA7W19hg80ETsEjwEIpqrTTKvNM58yuO5Q=; b=SSwhaigN01ZGMM/I9XHZVr3UBtBYCsx8J49Rq5gi9okamhnWbrDtU/vxEKxD9s0HBmBHF0 7DisgBFyRCFDnzkQOQ3zXz/AORwY+wW3b+5Z5eezYqBFJtVAujlB6JdYNaA9xfRDFD+L0D j7z3K4xDEY834XlTCuPixpPF5Vzdcm2Kx4RtT0YasSMmyruyhmJa1m+f+E+7K0/eZiQS0L Je0//8/LnWBVrJMCpwF5e2+gtGPfEaYE0ok2KPu8/g7uL67zknfE7QpgvGyXz79dMX4st0 pgCTcNYgGBRjoW7gr0MRbY8aQHTCIMsn2LaUIVcKHb3N4n+6ZsirdqkuSWawBA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1678393898; a=rsa-sha256; cv=none; b=MkfWR4I65PapuQhk7leZvrfUuPujmOHcZWjvejV9w4DOezzyH4vvdQYN7ydW8xlE4QeHxo kLR+lq9WugD4VbfZuPGgZREPgpb9AzcIVQSbAfERl8R8abfAuRXRL7fse/aerYEDXlqag8 XBy3p6Id97TgDE0Z7/lBWj09xXsP8ermBFQODVfEs+PbjBeN4UJt1sinjbCP4v+fbvPFWM zF9CaDdqVK5m1LDFL4XBKHg5YQlDsHLP2aSr1N5FR2/MggoPXUGQLDGkFhc6ibKSg2EzSX wOjgNvo40XJGe5M9nWFS3Wb/TMu8RRQH2V4zDe0v5jwP/GGhnZ3hzSCZMD4J0Q== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4PXgnj6BzjzM5j; Thu, 9 Mar 2023 20:31:37 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 329KVb14021743; Thu, 9 Mar 2023 20:31:37 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 329KVbCG021742; Thu, 9 Mar 2023 20:31:37 GMT (envelope-from git) Date: Thu, 9 Mar 2023 20:31:37 GMT Message-Id: <202303092031.329KVbCG021742@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Baptiste Daroussin Subject: git: e5dd5bfa55dc - main - pkg(7): now that we do use libmd, use it completly List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bapt X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: e5dd5bfa55dc82686870330f547932486ba48db2 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by bapt: URL: https://cgit.FreeBSD.org/src/commit/?id=e5dd5bfa55dc82686870330f547932486ba48db2 commit e5dd5bfa55dc82686870330f547932486ba48db2 Author: Baptiste Daroussin AuthorDate: 2023-03-09 20:29:15 +0000 Commit: Baptiste Daroussin CommitDate: 2023-03-09 20:31:30 +0000 pkg(7): now that we do use libmd, use it completly Use SHA256_Fd and SHA256_Data instead of home made equivalent. wrap those functions into hash.c to avoid header collition between openssl and libmd Suggested by: kevans --- usr.sbin/pkg/hash.c | 77 +++++------------------------------------------------ usr.sbin/pkg/hash.h | 4 +-- usr.sbin/pkg/pkg.c | 12 ++++++--- 3 files changed, 16 insertions(+), 77 deletions(-) diff --git a/usr.sbin/pkg/hash.c b/usr.sbin/pkg/hash.c index 47bcae6c5b6a..9696738fcafc 100644 --- a/usr.sbin/pkg/hash.c +++ b/usr.sbin/pkg/hash.c @@ -27,86 +27,21 @@ * SUCH DAMAGE. */ -#include #include -#include #include #include "hash.h" -static void -sha256_hash(unsigned char hash[SHA256_DIGEST_LENGTH], - char out[SHA256_DIGEST_LENGTH * 2 + 1]) +char * +sha256_buf(char *buf, size_t len) { - int i; - for (i = 0; i < SHA256_DIGEST_LENGTH; i++) - sprintf(out + (i * 2), "%02x", hash[i]); - - out[SHA256_DIGEST_LENGTH * 2] = '\0'; -} - -void -sha256_buf(char *buf, size_t len, char out[SHA256_DIGEST_LENGTH * 2 + 1]) -{ - unsigned char hash[SHA256_DIGEST_LENGTH]; - SHA256_CTX sha256; - - out[0] = '\0'; - - SHA256_Init(&sha256); - SHA256_Update(&sha256, buf, len); - SHA256_Final(hash, &sha256); - sha256_hash(hash, out); + return (SHA256_Data(buf, len, NULL)); } -int -sha256_fd(int fd, char out[SHA256_DIGEST_LENGTH * 2 + 1]) +char * +sha256_fd(int fd) { - int my_fd; - FILE *fp; - char buffer[BUFSIZ]; - unsigned char hash[SHA256_DIGEST_LENGTH]; - size_t r; - int ret; - SHA256_CTX sha256; - - fp = NULL; - ret = 1; - - out[0] = '\0'; - - /* Duplicate the fd so that fclose(3) does not close it. */ - if ((my_fd = dup(fd)) == -1) { - warnx("dup"); - goto cleanup; - } - - if ((fp = fdopen(my_fd, "rb")) == NULL) { - warnx("fdopen"); - goto cleanup; - } - - SHA256_Init(&sha256); - - while ((r = fread(buffer, 1, BUFSIZ, fp)) > 0) - SHA256_Update(&sha256, buffer, r); - - if (ferror(fp) != 0) { - warnx("fread"); - goto cleanup; - } - - SHA256_Final(hash, &sha256); - sha256_hash(hash, out); - ret = 0; - -cleanup: - if (fp != NULL) - fclose(fp); - else if (my_fd != -1) - close(my_fd); - (void)lseek(fd, 0, SEEK_SET); - return (ret); + return (SHA256_Fd(fd, NULL)); } diff --git a/usr.sbin/pkg/hash.h b/usr.sbin/pkg/hash.h index dcdc458b5e61..786d4371ef32 100644 --- a/usr.sbin/pkg/hash.h +++ b/usr.sbin/pkg/hash.h @@ -28,5 +28,5 @@ #pragma once -void sha256_buf(char *buf, size_t len, char out[]); -int sha256_fd(int fd, char out[]); +char *sha256_buf(char *buf, size_t len); +char *sha256_fd(int fd); diff --git a/usr.sbin/pkg/pkg.c b/usr.sbin/pkg/pkg.c index 89870f2af683..3c89e6a171b0 100644 --- a/usr.sbin/pkg/pkg.c +++ b/usr.sbin/pkg/pkg.c @@ -445,10 +445,11 @@ rsa_verify_cert(int fd, const char *sigfile, const unsigned char *key, { EVP_MD_CTX *mdctx; EVP_PKEY *pkey; - char sha256[(SHA256_DIGEST_LENGTH * 2) + 2]; + char *sha256; char errbuf[1024]; bool ret; + sha256 = NULL; pkey = NULL; mdctx = NULL; ret = false; @@ -460,7 +461,7 @@ rsa_verify_cert(int fd, const char *sigfile, const unsigned char *key, warn("lseek"); goto cleanup; } - if ((sha256_fd(fd, sha256)) == -1) { + if ((sha256 = sha256_fd(fd)) == NULL) { warnx("Error creating SHA256 hash for package"); goto cleanup; } @@ -505,6 +506,7 @@ error: printf("failed\n"); cleanup: + free(sha256); if (pkey) EVP_PKEY_free(pkey); if (mdctx) @@ -667,8 +669,9 @@ verify_signature(int fd_pkg, int fd_sig) int trusted_count, revoked_count; const char *fingerprints; char path[MAXPATHLEN]; - char hash[SHA256_DIGEST_LENGTH * 2 + 1]; + char *hash; + hash = NULL; sc = NULL; trusted = revoked = NULL; ret = false; @@ -705,7 +708,7 @@ verify_signature(int fd_pkg, int fd_sig) sc->trusted = false; /* Parse signature and pubkey out of the certificate */ - sha256_buf(sc->cert, sc->certlen, hash); + hash = sha256_buf(sc->cert, sc->certlen); /* Check if this hash is revoked */ if (revoked != NULL) { @@ -744,6 +747,7 @@ verify_signature(int fd_pkg, int fd_sig) ret = true; cleanup: + free(hash); if (trusted) free_fingerprint_list(trusted); if (revoked)