/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2012-2014 Baptiste Daroussin * Copyright (c) 2013 Bryan Drewery * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "pkg.h" #include "dns_utils.h" #include "config.h" #include "hash.h" #define PKGSIGN_MARKER "$PKGSIGN:" static const struct pkgsign_impl { const char *pi_name; const struct pkgsign_ops *pi_ops; } pkgsign_builtins[] = { { .pi_name = "rsa", .pi_ops = &pkgsign_rsa, }, { .pi_name = "ecc", .pi_ops = &pkgsign_ecc, }, { .pi_name = "ecdsa", .pi_ops = &pkgsign_ecc, }, { .pi_name = "eddsa", .pi_ops = &pkgsign_ecc, }, }; typedef enum { HASH_UNKNOWN, HASH_SHA256, } hash_t; struct fingerprint { hash_t type; char *name; char hash[BUFSIZ]; STAILQ_ENTRY(fingerprint) next; }; static const char *bootstrap_names [] = { "pkg.pkg", "pkg.txz", NULL }; STAILQ_HEAD(fingerprint_list, fingerprint); static int debug; static int pkgsign_new(const char *name, struct pkgsign_ctx **ctx) { const struct pkgsign_impl *impl; const struct pkgsign_ops *ops; struct pkgsign_ctx *nctx; size_t ctx_size; int ret; assert(*ctx == NULL); ops = NULL; for (size_t i = 0; i < nitems(pkgsign_builtins); i++) { impl = &pkgsign_builtins[i]; if (strcmp(name, impl->pi_name) == 0) { ops = impl->pi_ops; break; } } if (ops == NULL) return (ENOENT); ctx_size = ops->pkgsign_ctx_size; if (ctx_size == 0) ctx_size = sizeof(*nctx); assert(ctx_size >= sizeof(*nctx)); nctx = calloc(1, ctx_size); if (nctx == NULL) err(EXIT_FAILURE, "calloc"); nctx->impl = impl; ret = 0; if (ops->pkgsign_new != NULL) ret = (*ops->pkgsign_new)(name, nctx); if (ret != 0) { free(nctx); return (ret); } *ctx = nctx; return (0); } static bool pkgsign_verify_cert(const struct pkgsign_ctx *ctx, int fd, const char *sigfile, const unsigned char *key, int keylen, unsigned char *sig, int siglen) { return ((*ctx->impl->pi_ops->pkgsign_verify_cert)(ctx, fd, sigfile, key, keylen, sig, siglen)); } static bool pkgsign_verify_data(const struct pkgsign_ctx *ctx, const char *data, size_t datasz, const char *sigfile, const unsigned char *key, int keylen, unsigned char *sig, int siglen) { return ((*ctx->impl->pi_ops->pkgsign_verify_data)(ctx, data, datasz, sigfile, key, keylen, sig, siglen)); } static int extract_pkg_static(int fd, char *p, int sz) { struct archive *a; struct archive_entry *ae; char *end; int ret, r; ret = -1; a = archive_read_new(); if (a == NULL) { warn("archive_read_new"); return (ret); } archive_read_support_filter_all(a); archive_read_support_format_tar(a); if (lseek(fd, 0, 0) == -1) { warn("lseek"); goto cleanup; } if (archive_read_open_fd(a, fd, 4096) != ARCHIVE_OK) { warnx("archive_read_open_fd: %s", archive_error_string(a)); goto cleanup; } ae = NULL; while ((r = archive_read_next_header(a, &ae)) == ARCHIVE_OK) { end = strrchr(archive_entry_pathname(ae), '/'); if (end == NULL) continue; if (strcmp(end, "/pkg-static") == 0) { r = archive_read_extract(a, ae, ARCHIVE_EXTRACT_OWNER | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_ACL | ARCHIVE_EXTRACT_FFLAGS | ARCHIVE_EXTRACT_XATTR); strlcpy(p, archive_entry_pathname(ae), sz); break; } } if (r == ARCHIVE_OK) ret = 0; else warnx("failed to extract pkg-static: %s", archive_error_string(a)); cleanup: archive_read_free(a); return (ret); } static int install_pkg_static(const char *path, const char *pkgpath, bool force) { int pstat; pid_t pid; switch ((pid = fork())) { case -1: return (-1); case 0: if (force) execl(path, "pkg-static", "add", "-f", pkgpath, (char *)NULL); else execl(path, "pkg-static", "add", pkgpath, (char *)NULL); _exit(1); default: break; } while (waitpid(pid, &pstat, 0) == -1) if (errno != EINTR) return (-1); if (WEXITSTATUS(pstat)) return (WEXITSTATUS(pstat)); else if (WIFSIGNALED(pstat)) return (128 & (WTERMSIG(pstat))); return (pstat); } static int fetch_to_fd(struct repository *repo, const char *url, char *path, const char *fetchOpts) { struct url *u; struct dns_srvinfo *mirrors, *current; struct url_stat st; FILE *remote; /* To store _https._tcp. + hostname + \0 */ int fd; int retry, max_retry; ssize_t r; char buf[10240]; char zone[MAXHOSTNAMELEN + 13]; max_retry = 3; current = mirrors = NULL; remote = NULL; if ((fd = mkstemp(path)) == -1) { warn("mkstemp()"); return (-1); } retry = max_retry; if ((u = fetchParseURL(url)) == NULL) { warn("fetchParseURL('%s')", url); return (-1); } while (remote == NULL) { if (retry == max_retry) { if (strcmp(u->scheme, "file") != 0 && repo->mirror_type == MIRROR_SRV) { snprintf(zone, sizeof(zone), "_%s._tcp.%s", u->scheme, u->host); mirrors = dns_getsrvinfo(zone); current = mirrors; } } if (mirrors != NULL) { strlcpy(u->host, current->host, sizeof(u->host)); u->port = current->port; } remote = fetchXGet(u, &st, fetchOpts); if (remote == NULL) { --retry; if (retry <= 0) goto fetchfail; if (mirrors != NULL) { current = current->next; if (current == NULL) current = mirrors; } } } while ((r = fread(buf, 1, sizeof(buf), remote)) > 0) { if (write(fd, buf, r) != r) { warn("write()"); goto fetchfail; } } if (r != 0) { warn("An error occurred while fetching pkg(8)"); goto fetchfail; } if (ferror(remote)) goto fetchfail; goto cleanup; fetchfail: if (fd != -1) { close(fd); fd = -1; unlink(path); } cleanup: if (remote != NULL) fclose(remote); return fd; } static struct fingerprint * parse_fingerprint(ucl_object_t *obj) { const ucl_object_t *cur; ucl_object_iter_t it = NULL; const char *function, *fp, *key; struct fingerprint *f; hash_t fct = HASH_UNKNOWN; function = fp = NULL; while ((cur = ucl_iterate_object(obj, &it, true))) { key = ucl_object_key(cur); if (cur->type != UCL_STRING) continue; if (strcasecmp(key, "function") == 0) { function = ucl_object_tostring(cur); continue; } if (strcasecmp(key, "fingerprint") == 0) { fp = ucl_object_tostring(cur); continue; } } if (fp == NULL || function == NULL) return (NULL); if (strcasecmp(function, "sha256") == 0) fct = HASH_SHA256; if (fct == HASH_UNKNOWN) { warnx("Unsupported hashing function: %s", function); return (NULL); } f = calloc(1, sizeof(struct fingerprint)); f->type = fct; strlcpy(f->hash, fp, sizeof(f->hash)); return (f); } static void free_fingerprint_list(struct fingerprint_list* list) { struct fingerprint *fingerprint, *tmp; STAILQ_FOREACH_SAFE(fingerprint, list, next, tmp) { free(fingerprint->name); free(fingerprint); } free(list); } static struct fingerprint * load_fingerprint(const char *dir, const char *filename) { ucl_object_t *obj = NULL; struct ucl_parser *p = NULL; struct fingerprint *f; char path[MAXPATHLEN]; f = NULL; snprintf(path, MAXPATHLEN, "%s/%s", dir, filename); p = ucl_parser_new(0); if (!ucl_parser_add_file(p, path)) { warnx("%s: %s", path, ucl_parser_get_error(p)); ucl_parser_free(p); return (NULL); } obj = ucl_parser_get_object(p); if (obj->type == UCL_OBJECT) f = parse_fingerprint(obj); if (f != NULL) f->name = strdup(filename); ucl_object_unref(obj); ucl_parser_free(p); return (f); } static struct fingerprint_list * load_fingerprints(const char *path, int *count) { DIR *d; struct dirent *ent; struct fingerprint *finger; struct fingerprint_list *fingerprints; *count = 0; fingerprints = calloc(1, sizeof(struct fingerprint_list)); if (fingerprints == NULL) return (NULL); STAILQ_INIT(fingerprints); if ((d = opendir(path)) == NULL) { free(fingerprints); return (NULL); } while ((ent = readdir(d))) { if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue; finger = load_fingerprint(path, ent->d_name); if (finger != NULL) { STAILQ_INSERT_TAIL(fingerprints, finger, next); ++(*count); } } closedir(d); return (fingerprints); } char * pkg_read_fd(int fd, size_t *osz) { char *obuf; char buf[4096]; FILE *fp; ssize_t r; obuf = NULL; *osz = 0; fp = open_memstream(&obuf, osz); if (fp == NULL) err(EXIT_FAILURE, "open_memstream()"); while ((r = read(fd, buf, sizeof(buf))) >0) { fwrite(buf, 1, r, fp); } if (ferror(fp)) errx(EXIT_FAILURE, "reading file"); fclose(fp); return (obuf); } /* * Returns a copy of the signature type stored on the heap, and advances *bufp * past the type. */ static char * parse_sigtype(char **bufp, size_t *bufszp) { char *buf = *bufp; char *endp; char *sigtype; size_t bufsz = *bufszp; if (bufsz <= sizeof(PKGSIGN_MARKER) - 1 || strncmp(buf, PKGSIGN_MARKER, sizeof(PKGSIGN_MARKER) - 1) != 0) goto dflt; buf += sizeof(PKGSIGN_MARKER) - 1; endp = strchr(buf, '$'); if (endp == NULL) goto dflt; sigtype = strndup(buf, endp - buf); *bufp = endp + 1; *bufszp -= *bufp - buf; return (sigtype); dflt: return (strdup("rsa")); } static struct pubkey * read_pubkey(int fd) { struct pubkey *pk; char *osigb, *sigb, *sigtype; size_t sigsz; if (lseek(fd, 0, 0) == -1) { warn("lseek"); return (NULL); } osigb = sigb = pkg_read_fd(fd, &sigsz); sigtype = parse_sigtype(&sigb, &sigsz); pk = calloc(1, sizeof(struct pubkey)); pk->siglen = sigsz; pk->sig = calloc(1, pk->siglen); memcpy(pk->sig, sigb, pk->siglen); pk->sigtype = sigtype; free(osigb); return (pk); } static struct sig_cert * parse_cert(int fd) { int my_fd; struct sig_cert *sc; FILE *fp, *sigfp, *certfp, *tmpfp, *typefp; char *line; char *sig, *cert, *type; size_t linecap, sigsz, certsz, typesz; ssize_t linelen; bool end_seen; sc = NULL; line = NULL; linecap = 0; sig = cert = type = NULL; sigfp = certfp = tmpfp = typefp = NULL; if (lseek(fd, 0, 0) == -1) { warn("lseek"); return (NULL); } /* Duplicate the fd so that fclose(3) does not close it. */ if ((my_fd = dup(fd)) == -1) { warnx("dup"); return (NULL); } if ((fp = fdopen(my_fd, "rb")) == NULL) { warn("fdopen"); close(my_fd); return (NULL); } sigsz = certsz = typesz = 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()"); typefp = open_memstream(&type, &typesz); if (typefp == NULL) err(EXIT_FAILURE, "open_memstream()"); end_seen = false; while ((linelen = getline(&line, &linecap, fp)) > 0) { if (strcmp(line, "SIGNATURE\n") == 0) { tmpfp = sigfp; continue; } else if (strcmp(line, "TYPE\n") == 0) { tmpfp = typefp; continue; } else if (strcmp(line, "CERT\n") == 0) { tmpfp = certfp; continue; } else if (strcmp(line, "END\n") == 0) { end_seen = true; break; } if (tmpfp != NULL) fwrite(line, 1, linelen, tmpfp); } fclose(fp); fclose(sigfp); fclose(certfp); fclose(typefp); sc = calloc(1, sizeof(struct sig_cert)); sc->siglen = sigsz -1; /* Trim out unrelated trailing newline */ sc->sig = sig; if (typesz == 0) { sc->type = strdup("rsa"); free(type); } else { assert(type[typesz - 1] == '\n'); type[typesz - 1] = '\0'; sc->type = type; } /* * cert could be DER-encoded rather than PEM, so strip off any trailing * END marker if we ran over it. */ if (!end_seen && certsz > 4 && strcmp(&cert[certsz - 4], "END\n") == 0) certsz -= 4; sc->certlen = certsz; sc->cert = cert; return (sc); } static bool verify_pubsignature(int fd_pkg, int fd_sig, struct repository *r) { struct pubkey *pk; char *data; struct pkgsign_ctx *sctx; size_t datasz; bool ret; const char *pubkey; pk = NULL; sctx = NULL; data = NULL; ret = false; if (r != NULL) { if (r->pubkey == NULL) { warnx("No CONFIG_PUBKEY defined for %s", r->name); goto cleanup; } pubkey = r->pubkey; } else { if (config_string(PUBKEY, &pubkey) != 0) { warnx("No CONFIG_PUBKEY defined"); goto cleanup; } } if ((pk = read_pubkey(fd_sig)) == NULL) { warnx("Error reading signature"); goto cleanup; } if (lseek(fd_pkg, 0, SEEK_SET) == -1) { warn("lseek"); goto cleanup; } if (strcmp(pk->sigtype, "rsa") == 0) { /* Future types shouldn't do this. */ if ((data = sha256_fd(fd_pkg)) == NULL) { warnx("Error creating SHA256 hash for package"); goto cleanup; } datasz = strlen(data); } else { if ((data = pkg_read_fd(fd_pkg, &datasz)) == NULL) { warnx("Failed to read package data"); goto cleanup; } } if (pkgsign_new(pk->sigtype, &sctx) != 0) { warnx("Failed to fetch '%s' signer", pk->sigtype); goto cleanup; } /* Verify the signature. */ printf("Verifying signature with public key %s.a.. ", r->pubkey); if (pkgsign_verify_data(sctx, data, datasz, r->pubkey, NULL, 0, pk->sig, pk->siglen) == false) { fprintf(stderr, "Signature is not valid\n"); goto cleanup; } ret = true; cleanup: free(data); if (pk) { free(pk->sig); free(pk); } return (ret); } static bool verify_signature(int fd_pkg, int fd_sig, struct repository *r) { struct fingerprint_list *trusted, *revoked; struct fingerprint *fingerprint; struct sig_cert *sc; struct pkgsign_ctx *sctx; bool ret; int trusted_count, revoked_count; const char *fingerprints; char path[MAXPATHLEN]; char *hash; hash = NULL; sc = NULL; sctx = NULL; trusted = revoked = NULL; ret = false; /* Read and parse fingerprints. */ if (r != NULL) { if (r->fingerprints == NULL) { warnx("No FINGERPRINTS defined for %s", r->name); goto cleanup; } fingerprints = r->fingerprints; } else { if (config_string(FINGERPRINTS, &fingerprints) != 0) { warnx("No FINGERPRINTS defined"); goto cleanup; } } snprintf(path, MAXPATHLEN, "%s/trusted", fingerprints); if ((trusted = load_fingerprints(path, &trusted_count)) == NULL) { warnx("Error loading trusted certificates"); goto cleanup; } if (trusted_count == 0 || trusted == NULL) { fprintf(stderr, "No trusted certificates found.\n"); goto cleanup; } snprintf(path, MAXPATHLEN, "%s/revoked", fingerprints); if ((revoked = load_fingerprints(path, &revoked_count)) == NULL) { warnx("Error loading revoked certificates"); goto cleanup; } /* Read certificate and signature in. */ if ((sc = parse_cert(fd_sig)) == NULL) { warnx("Error parsing certificate"); goto cleanup; } /* Explicitly mark as non-trusted until proven otherwise. */ sc->trusted = false; /* Parse signature and pubkey out of the certificate */ hash = sha256_buf(sc->cert, sc->certlen); /* Check if this hash is revoked */ if (revoked != NULL) { STAILQ_FOREACH(fingerprint, revoked, next) { if (strcasecmp(fingerprint->hash, hash) == 0) { fprintf(stderr, "The package was signed with " "revoked certificate %s\n", fingerprint->name); goto cleanup; } } } STAILQ_FOREACH(fingerprint, trusted, next) { if (strcasecmp(fingerprint->hash, hash) == 0) { sc->trusted = true; sc->name = strdup(fingerprint->name); break; } } if (sc->trusted == false) { fprintf(stderr, "No trusted fingerprint found matching " "package's certificate\n"); goto cleanup; } if (pkgsign_new(sc->type, &sctx) != 0) { fprintf(stderr, "Failed to fetch 'rsa' signer\n"); goto cleanup; } /* Verify the signature. */ printf("Verifying signature with trusted certificate %s... ", sc->name); if (pkgsign_verify_cert(sctx, fd_pkg, NULL, sc->cert, sc->certlen, sc->sig, sc->siglen) == false) { fprintf(stderr, "Signature is not valid\n"); goto cleanup; } ret = true; cleanup: free(hash); if (trusted) free_fingerprint_list(trusted); if (revoked) free_fingerprint_list(revoked); if (sc) { free(sc->cert); free(sc->sig); free(sc->name); free(sc); } return (ret); } static int bootstrap_pkg(bool force, const char *fetchOpts, struct repository *repo) { int fd_pkg, fd_sig; int ret; char url[MAXPATHLEN]; char tmppkg[MAXPATHLEN]; char tmpsig[MAXPATHLEN]; const char *packagesite; char pkgstatic[MAXPATHLEN]; const char *bootstrap_name; fd_sig = -1; ret = -1; printf("Bootstrapping pkg from %s, please wait...\n", repo->url); /* Support pkg+http:// for PACKAGESITE which is the new format in 1.2 to avoid confusion on why http://pkg.FreeBSD.org has no A record. */ packagesite = repo->url; if (strncmp(URL_SCHEME_PREFIX, packagesite, strlen(URL_SCHEME_PREFIX)) == 0) packagesite += strlen(URL_SCHEME_PREFIX); for (int j = 0; bootstrap_names[j] != NULL; j++) { bootstrap_name = bootstrap_names[j]; snprintf(url, MAXPATHLEN, "%s/Latest/%s", packagesite, bootstrap_name); snprintf(tmppkg, MAXPATHLEN, "%s/%s.XXXXXX", getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, bootstrap_name); if ((fd_pkg = fetch_to_fd(repo, url, tmppkg, fetchOpts)) != -1) break; bootstrap_name = NULL; } if (bootstrap_name == NULL) goto fetchfail; if (repo->signature_type == SIGNATURE_FINGERPRINT) { snprintf(tmpsig, MAXPATHLEN, "%s/%s.sig.XXXXXX", getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, bootstrap_name); snprintf(url, MAXPATHLEN, "%s/Latest/%s.sig", packagesite, bootstrap_name); if ((fd_sig = fetch_to_fd(repo, url, tmpsig, fetchOpts)) == -1) { fprintf(stderr, "Signature for pkg not " "available.\n"); goto fetchfail; } if (verify_signature(fd_pkg, fd_sig, repo) == false) goto cleanup; } else if (repo->signature_type == SIGNATURE_PUBKEY) { snprintf(tmpsig, MAXPATHLEN, "%s/%s.pubkeysig.XXXXXX", getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, bootstrap_name); snprintf(url, MAXPATHLEN, "%s/Latest/%s.pubkeysig", packagesite, bootstrap_name); if ((fd_sig = fetch_to_fd(repo, url, tmpsig, fetchOpts)) == -1) { fprintf(stderr, "Signature for pkg not " "available.\n"); goto fetchfail; } if (verify_pubsignature(fd_pkg, fd_sig, repo) == false) goto cleanup; } if ((ret = extract_pkg_static(fd_pkg, pkgstatic, MAXPATHLEN)) == 0) ret = install_pkg_static(pkgstatic, tmppkg, force); goto cleanup; fetchfail: for (int j = 0; bootstrap_names[j] != NULL; j++) { warnx("Attempted to fetch %s/Latest/%s", repo->url, bootstrap_names[j]); } warnx("Error: %s", fetchLastErrString); if (fetchLastErrCode == FETCH_RESOLV) { fprintf(stderr, "Address resolution failed for %s.\n", packagesite); } else { fprintf(stderr, "A pre-built version of pkg could not be found for " "your system.\n"); } cleanup: if (fd_sig != -1) { close(fd_sig); unlink(tmpsig); } if (fd_pkg != -1) { close(fd_pkg); unlink(tmppkg); } return (ret); } static const char confirmation_message[] = "The package management tool is not yet installed on your system.\n" "Do you want to fetch and install it now? [y/N]: "; static const char non_interactive_message[] = "The package management tool is not yet installed on your system.\n" "Please set ASSUME_ALWAYS_YES=yes environment variable to be able to bootstrap " "in non-interactive (stdin not being a tty)\n"; static const char args_bootstrap_message[] = "Too many arguments\n" "Usage: pkg [-4|-6] bootstrap [-f] [-y]\n"; static int pkg_query_yes_no(void) { int ret, c; fflush(stdout); c = getchar(); if (c == 'y' || c == 'Y') ret = 1; else ret = 0; while (c != '\n' && c != EOF) c = getchar(); return (ret); } static int bootstrap_pkg_local(const char *pkgpath, bool force) { char path[MAXPATHLEN]; char pkgstatic[MAXPATHLEN]; const char *signature_type; int fd_pkg, fd_sig, ret; fd_sig = -1; ret = -1; fd_pkg = open(pkgpath, O_RDONLY); if (fd_pkg == -1) err(EXIT_FAILURE, "Unable to open %s", pkgpath); if (config_string(SIGNATURE_TYPE, &signature_type) != 0) { warnx("Error looking up SIGNATURE_TYPE"); goto cleanup; } if (signature_type != NULL && strcasecmp(signature_type, "NONE") != 0) { if (strcasecmp(signature_type, "FINGERPRINTS") == 0) { snprintf(path, sizeof(path), "%s.sig", pkgpath); if ((fd_sig = open(path, O_RDONLY)) == -1) { fprintf(stderr, "Signature for pkg not " "available.\n"); goto cleanup; } if (verify_signature(fd_pkg, fd_sig, NULL) == false) goto cleanup; } else if (strcasecmp(signature_type, "PUBKEY") == 0) { snprintf(path, sizeof(path), "%s.pubkeysig", pkgpath); if ((fd_sig = open(path, O_RDONLY)) == -1) { fprintf(stderr, "Signature for pkg not " "available.\n"); goto cleanup; } if (verify_pubsignature(fd_pkg, fd_sig, NULL) == false) goto cleanup; } else { warnx("Signature type %s is not supported for " "bootstrapping.", signature_type); goto cleanup; } } if ((ret = extract_pkg_static(fd_pkg, pkgstatic, MAXPATHLEN)) == 0) ret = install_pkg_static(pkgstatic, pkgpath, force); cleanup: close(fd_pkg); if (fd_sig != -1) close(fd_sig); return (ret); } #define PKG_NAME "pkg" #define PKG_DEVEL_NAME PKG_NAME "-devel" #define PKG_PKG PKG_NAME "." static bool pkg_is_pkg_pkg(const char *pkg) { char *vstart, *basename; size_t namelen; /* Strip path. */ if ((basename = strrchr(pkg, '/')) != NULL) pkg = basename + 1; /* * Chop off the final "-" (version delimiter) and check the name that * precedes it. If we didn't have a version delimiter, it must be the * pkg.$archive short form but we'll check it anyways. pkg-devel short * form will look like a pkg archive with 'devel' version, but that's * OK. We otherwise assumed that non-pkg packages will always have a * version component. */ vstart = strrchr(pkg, '-'); if (vstart == NULL) { return (strlen(pkg) > sizeof(PKG_PKG) - 1 && strncmp(pkg, PKG_PKG, sizeof(PKG_PKG) - 1) == 0); } namelen = vstart - pkg; if (namelen == sizeof(PKG_NAME) - 1 && strncmp(pkg, PKG_NAME, sizeof(PKG_NAME) - 1) == 0) return (true); if (namelen == sizeof(PKG_DEVEL_NAME) - 1 && strncmp(pkg, PKG_DEVEL_NAME, sizeof(PKG_DEVEL_NAME) - 1) == 0) return (true); return (false); } int main(int argc, char *argv[]) { char pkgpath[MAXPATHLEN]; char **original_argv; const char *pkgarg, *repo_name; bool activation_test, add_pkg, bootstrap_only, force, yes; signed char ch; const char *fetchOpts; struct repositories *repositories; activation_test = false; add_pkg = false; bootstrap_only = false; fetchOpts = ""; force = false; original_argv = argv; pkgarg = NULL; repo_name = NULL; yes = false; struct option longopts[] = { { "debug", no_argument, NULL, 'd' }, { "only-ipv4", no_argument, NULL, '4' }, { "only-ipv6", no_argument, NULL, '6' }, { NULL, 0, NULL, 0 }, }; snprintf(pkgpath, MAXPATHLEN, "%s/sbin/pkg", getlocalbase()); while ((ch = getopt_long(argc, argv, "+:dN46", longopts, NULL)) != -1) { switch (ch) { case 'd': debug++; break; case 'N': activation_test = true; break; case '4': fetchOpts = "4"; break; case '6': fetchOpts = "6"; break; default: break; } } if (debug > 1) fetchDebug = 1; argc -= optind; argv += optind; if (argc >= 1) { if (strcmp(argv[0], "bootstrap") == 0) { bootstrap_only = true; } else if (strcmp(argv[0], "add") == 0) { add_pkg = true; } optreset = 1; optind = 1; if (bootstrap_only || add_pkg) { struct option sub_longopts[] = { { "force", no_argument, NULL, 'f' }, { "yes", no_argument, NULL, 'y' }, { NULL, 0, NULL, 0 }, }; while ((ch = getopt_long(argc, argv, "+:fr:y", sub_longopts, NULL)) != -1) { switch (ch) { case 'f': force = true; break; case 'r': repo_name = optarg; break; case 'y': yes = true; break; case ':': fprintf(stderr, "Option -%c requires an argument\n", optopt); exit(EXIT_FAILURE); break; default: break; } } } else { /* * Parse -y and --yes regardless of the pkg subcommand * specified. This is necessary to make, for example, * `pkg install -y foobar` work as expected when pkg is * not yet bootstrapped. */ struct option sub_longopts[] = { { "yes", no_argument, NULL, 'y' }, { NULL, 0, NULL, 0 }, }; while ((ch = getopt_long(argc, argv, "+:y", sub_longopts, NULL)) != -1) { switch (ch) { case 'y': yes = true; break; default: break; } } } argc -= optind; argv += optind; if (bootstrap_only && argc > 0) { fprintf(stderr, args_bootstrap_message); exit(EXIT_FAILURE); } if (add_pkg) { if (argc < 1) { fprintf(stderr, "Path to pkg.pkg required\n"); exit(EXIT_FAILURE); } else if (argc == 1 && pkg_is_pkg_pkg(argv[0])) { pkgarg = argv[0]; } else { /* * If the target package is not pkg.pkg * or there is more than one target package, * this is not a local bootstrap request. */ add_pkg = false; } } } if ((bootstrap_only && force) || access(pkgpath, X_OK) == -1) { struct repository *repo; int ret = 0; /* * To allow 'pkg -N' to be used as a reliable test for whether * a system is configured to use pkg, don't bootstrap pkg * when that option is passed. */ if (activation_test) errx(EXIT_FAILURE, "pkg is not installed"); config_init(repo_name); if (add_pkg) { assert(pkgarg != NULL); if (access(pkgarg, R_OK) == -1) { fprintf(stderr, "No such file: %s\n", pkgarg); exit(EXIT_FAILURE); } if (bootstrap_pkg_local(pkgarg, force) != 0) exit(EXIT_FAILURE); exit(EXIT_SUCCESS); } /* * Do not ask for confirmation if either of stdin or stdout is * not tty. Check the environment to see if user has answer * tucked in there already. */ if (!yes) config_bool(ASSUME_ALWAYS_YES, &yes); if (!yes) { if (!isatty(fileno(stdin))) { fprintf(stderr, non_interactive_message); exit(EXIT_FAILURE); } printf("%s", confirmation_message); if (pkg_query_yes_no() == 0) exit(EXIT_FAILURE); } repositories = config_get_repositories(); STAILQ_FOREACH(repo, repositories, next) { if ((ret = bootstrap_pkg(force, fetchOpts, repo)) == 0) break; } if (ret != 0) exit(EXIT_FAILURE); config_finish(); if (bootstrap_only) exit(EXIT_SUCCESS); } else if (bootstrap_only) { printf("pkg already bootstrapped at %s\n", pkgpath); exit(EXIT_SUCCESS); } execv(pkgpath, original_argv); /* NOT REACHED */ return (EXIT_FAILURE); }