From owner-dev-commits-src-all@freebsd.org Wed May 5 08:25:35 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 14E8F634CBA; Wed, 5 May 2021 08:25:35 +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 4FZqXZ3BV0z3Jyx; Wed, 5 May 2021 08:25:34 +0000 (UTC) (envelope-from git@FreeBSD.org) 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 48BD521B9B; Wed, 5 May 2021 08:25:34 +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 1458PY95028897; Wed, 5 May 2021 08:25:34 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1458PY7J028896; Wed, 5 May 2021 08:25:34 GMT (envelope-from git) Date: Wed, 5 May 2021 08:25:34 GMT Message-Id: <202105050825.1458PY7J028896@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Baptiste Daroussin Subject: git: 527a1eda9db8 - stable/12 - pkg(7): replace usage of sbuf(9) with open_memstream(3) 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/stable/12 X-Git-Reftype: branch X-Git-Commit: 527a1eda9db8fada53b1434f71f12546fbaf16a4 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 May 2021 08:25:35 -0000 The branch stable/12 has been updated by bapt: URL: https://cgit.FreeBSD.org/src/commit/?id=527a1eda9db8fada53b1434f71f12546fbaf16a4 commit 527a1eda9db8fada53b1434f71f12546fbaf16a4 Author: Baptiste Daroussin AuthorDate: 2021-04-27 02:38:55 +0000 Commit: Baptiste Daroussin CommitDate: 2021-05-05 08:20:29 +0000 pkg(7): replace usage of sbuf(9) with open_memstream(3) open_memstream(3) is a standard way to obtain the same feature we do get by using sbuf(9) (aka dynamic size buffer), switching to using it makes pkg(7) more portable, and reduces its number of dependencies. Reviewed by: manu Differential Revision: https://reviews.freebsd.org/D30005 (cherry picked from commit cc9a8a116d19daf224222506441e91a3d329160e) --- usr.sbin/pkg/Makefile | 1 + usr.sbin/pkg/config.c | 33 +++++++++++++++---------- usr.sbin/pkg/pkg.c | 67 +++++++++++++++++++++++++++------------------------ 3 files changed, 56 insertions(+), 45 deletions(-) diff --git a/usr.sbin/pkg/Makefile b/usr.sbin/pkg/Makefile index ebfb71c1699b..725367ad4485 100644 --- a/usr.sbin/pkg/Makefile +++ b/usr.sbin/pkg/Makefile @@ -26,5 +26,6 @@ MAN= pkg.7 CFLAGS+=-I${SRCTOP}/contrib/libucl/include .PATH: ${SRCTOP}/contrib/libucl/include LIBADD= archive fetch ucl sbuf crypto ssl +LIBADD= archive fetch ucl crypto ssl .include diff --git a/usr.sbin/pkg/config.c b/usr.sbin/pkg/config.c index 3b411859e9c4..f29bd586f338 100644 --- a/usr.sbin/pkg/config.c +++ b/usr.sbin/pkg/config.c @@ -33,7 +33,6 @@ __FBSDID("$FreeBSD$"); #include #include #include -#include #include #include @@ -212,7 +211,9 @@ boolstr_to_bool(const char *str) static void config_parse(const ucl_object_t *obj, pkg_conf_file_t conftype) { - struct sbuf *buf = sbuf_new_auto(); + FILE *buffp; + char *buf = NULL; + size_t bufsz = 0; const ucl_object_t *cur, *seq, *tmp; ucl_object_iter_t it = NULL, itseq = NULL, it_obj = NULL; struct config_entry *temp_config; @@ -223,39 +224,44 @@ config_parse(const ucl_object_t *obj, pkg_conf_file_t conftype) /* Temporary config for configs that may be disabled. */ temp_config = calloc(CONFIG_SIZE, sizeof(struct config_entry)); + buffp = open_memstream(&buf, &bufsz); + if (buffp == NULL) + err(EXIT_FAILURE, "open_memstream()"); while ((cur = ucl_iterate_object(obj, &it, true))) { key = ucl_object_key(cur); if (key == NULL) continue; - sbuf_clear(buf); + if (buf != NULL) + memset(buf, 0, bufsz); + rewind(buffp); if (conftype == CONFFILE_PKG) { for (j = 0; j < strlen(key); ++j) - sbuf_putc(buf, toupper(key[j])); - sbuf_finish(buf); + fputc(toupper(key[j]), buffp); + fflush(buffp); } else if (conftype == CONFFILE_REPO) { if (strcasecmp(key, "url") == 0) - sbuf_cpy(buf, "PACKAGESITE"); + fputs("PACKAGESITE", buffp); else if (strcasecmp(key, "mirror_type") == 0) - sbuf_cpy(buf, "MIRROR_TYPE"); + fputs("MIRROR_TYPE", buffp); else if (strcasecmp(key, "signature_type") == 0) - sbuf_cpy(buf, "SIGNATURE_TYPE"); + fputs("SIGNATURE_TYPE", buffp); else if (strcasecmp(key, "fingerprints") == 0) - sbuf_cpy(buf, "FINGERPRINTS"); + fputs("FINGERPRINTS", buffp); else if (strcasecmp(key, "pubkey") == 0) - sbuf_cpy(buf, "PUBKEY"); + fputs("PUBKEY", buffp); else if (strcasecmp(key, "enabled") == 0) { if ((cur->type != UCL_BOOLEAN) || !ucl_object_toboolean(cur)) goto cleanup; } else continue; - sbuf_finish(buf); + fflush(buffp); } for (i = 0; i < CONFIG_SIZE; i++) { - if (strcmp(sbuf_data(buf), c[i].key) == 0) + if (strcmp(buf, c[i].key) == 0) break; } @@ -330,7 +336,8 @@ config_parse(const ucl_object_t *obj, pkg_conf_file_t conftype) cleanup: free(temp_config); - sbuf_delete(buf); + fclose(buffp); + free(buf); } /*- diff --git a/usr.sbin/pkg/pkg.c b/usr.sbin/pkg/pkg.c index c499fb28c42d..da3498438fa1 100644 --- a/usr.sbin/pkg/pkg.c +++ b/usr.sbin/pkg/pkg.c @@ -33,7 +33,6 @@ __FBSDID("$FreeBSD$"); #include #include #include -#include #include #include @@ -595,7 +594,9 @@ static struct pubkey * read_pubkey(int fd) { struct pubkey *pk; - struct sbuf *sig; + char *sigb; + size_t sigsz; + FILE *sig; char buf[4096]; int r; @@ -604,18 +605,22 @@ read_pubkey(int fd) return (NULL); } - sig = sbuf_new_auto(); + sigsz = 0; + sigb = NULL; + sig = open_memstream(&sigb, &sigsz); + if (sig == NULL) + err(EXIT_FAILURE, "open_memstream()"); while ((r = read(fd, buf, sizeof(buf))) >0) { - sbuf_bcat(sig, buf, r); + fwrite(buf, 1, r, sig); } - sbuf_finish(sig); + fclose(sig); pk = calloc(1, sizeof(struct pubkey)); - pk->siglen = sbuf_len(sig); + pk->siglen = sigsz; pk->sig = calloc(1, pk->siglen); - memcpy(pk->sig, sbuf_data(sig), pk->siglen); - sbuf_delete(sig); + memcpy(pk->sig, sigb, pk->siglen); + free(sigb); return (pk); } @@ -624,16 +629,17 @@ static struct sig_cert * parse_cert(int fd) { int my_fd; struct sig_cert *sc; - FILE *fp; - struct sbuf *buf, *sig, *cert; + FILE *fp, *sigfp, *certfp, *tmpfp; char *line; - size_t linecap; + char *sig, *cert; + size_t linecap, sigsz, certsz; ssize_t linelen; - buf = NULL; sc = NULL; line = NULL; linecap = 0; + sig = cert = NULL; + sigfp = certfp = tmpfp = NULL; if (lseek(fd, 0, 0) == -1) { warn("lseek"); @@ -652,41 +658,38 @@ parse_cert(int fd) { return (NULL); } - sig = sbuf_new_auto(); - cert = sbuf_new_auto(); + sigsz = certsz = 0; + sigfp = open_memstream(&sig, &sigsz); + if (sigfp == NULL) + err(EXIT_FAILURE, "open_memstream()"); + certfp = open_memstream(&cert, &certsz); + if (certfp == NULL) + err(EXIT_FAILURE, "open_memstream()"); while ((linelen = getline(&line, &linecap, fp)) > 0) { if (strcmp(line, "SIGNATURE\n") == 0) { - buf = sig; + tmpfp = sigfp; continue; } else if (strcmp(line, "CERT\n") == 0) { - buf = cert; + tmpfp = certfp; continue; } else if (strcmp(line, "END\n") == 0) { break; } - if (buf != NULL) - sbuf_bcat(buf, line, linelen); + if (tmpfp != NULL) + fwrite(line, 1, linelen, tmpfp); } fclose(fp); - - /* Trim out unrelated trailing newline */ - sbuf_setpos(sig, sbuf_len(sig) - 1); - - sbuf_finish(sig); - sbuf_finish(cert); + fclose(sigfp); + fclose(certfp); sc = calloc(1, sizeof(struct sig_cert)); - sc->siglen = sbuf_len(sig); - sc->sig = calloc(1, sc->siglen); - memcpy(sc->sig, sbuf_data(sig), sc->siglen); - - sc->certlen = sbuf_len(cert); - sc->cert = strdup(sbuf_data(cert)); + sc->siglen = sigsz -1; /* Trim out unrelated trailing newline */ + sc->sig = sig; - sbuf_delete(sig); - sbuf_delete(cert); + sc->certlen = certsz; + sc->cert = cert; return (sc); }