/*- * Copyright (c) 2012 Juan Romero Pardines. * 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 ``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 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 "queue.h" #define _PROGNAME "xbps-create" struct xentry { TAILQ_ENTRY(xentry) entries; char *file, *type, *target, *hash; }; static TAILQ_HEAD(xentry_head, xentry) xentry_list = TAILQ_HEAD_INITIALIZER(xentry_list); static uint64_t instsize; static prop_dictionary_t pkg_propsd, pkg_filesd; static const char *destdir; static void __attribute__((noreturn)) usage(void) { fprintf(stdout, "Usage: %s [OPTIONS] destdir\n\n" "OPTIONS\n" " -A --architecture Package architecture (e.g: noarch, i686, etc).\n" " -B --built-with Package builder string (e.g: xbps-src-30).\n" " -C --conflicts Conflicts (blank separated list,\n" " e.g: 'foo>=2.0 blah<=2.0').\n" " -D --dependencies Dependencies (blank separated list,\n" " e.g: 'foo>=1.0_1 blah<2.1').\n" " -F --config-files Configuration files (blank separated list,\n" " e.g '/etc/foo.conf /etc/foo-blah.conf').\n" " -H --homepage Homepage.\n" " -h --help Show help.\n" " -l --license License.\n" " -M --mutable-files Mutable files list (blank separated list,\n" " e.g: '/usr/lib/foo /usr/bin/blah').\n" " -m --maintainer Maintainer.\n" " -n --pkgver Package name/version tuple (e.g `foo-1.0_1').\n" " -P --provides Provides (blank separated list,\n" " e.g: 'foo-9999 blah-1.0').\n" " -p --preserve Enable package preserve boolean.\n" " -q --quiet Work silently.\n" " -R --replaces Replaces (blank separated list,\n" " e.g: 'foo>=1.0 blah<2.0').\n" " -S --long-desc Long description (80 cols per line).\n" " -s --desc Short description (max 80 characters).\n" " -V --version Prints XBPS release version.\n\n" "NOTE:\n" " At least three flags are required: architecture, pkgver and desc.\n\n" "EXAMPLE:\n" " $ %s -A noarch -n foo-1.0_1 -s \"foo pkg\" destdir\n", _PROGNAME, _PROGNAME); exit(EXIT_FAILURE); } static void __attribute__((noreturn)) die(const char *fmt, ...) { va_list ap; int save_errno = errno; va_start(ap, fmt); fprintf(stderr, "%s: ERROR: ", _PROGNAME); vfprintf(stderr, fmt, ap); fprintf(stderr, " %s\n", save_errno ? strerror(save_errno) : ""); va_end(ap); exit(EXIT_FAILURE); } static void process_array(const char *key, const char *val) { prop_array_t array; char *args, *p = NULL, *saveptr; assert(key); if (val == NULL) return; array = prop_array_create(); assert(array); if (strchr(val, ' ') == NULL) { prop_array_add_cstring_nocopy(array, val); goto out; } args = strdup(val); assert(args); for ((p = strtok_r(args, " ", &saveptr)); p; (p = strtok_r(NULL, " ", &saveptr))) { if (p == NULL) continue; prop_array_add_cstring(array, p); } free(args); out: prop_dictionary_set(pkg_propsd, key, array); prop_object_release(array); } static bool entry_is_conf_file(const char *file) { prop_array_t a; const char *curfile; size_t i; assert(file); a = prop_dictionary_get(pkg_propsd, "conf_files"); if (a == NULL || prop_array_count(a) == 0) return false; for (i = 0; i < prop_array_count(a); i++) { prop_array_get_cstring_nocopy(a, i, &curfile); if (strcmp(file, curfile) == 0) return true; } return false; } static int ftw_cb(const char *fpath, const struct stat *sb, int type, struct FTW *ftwbuf) { struct xentry *xe = NULL; const char *filep = NULL; char *buf, *p, *dname; ssize_t r; (void)ftwbuf; /* Ignore metadata files generated by xbps-src and destdir */ if ((strcmp(fpath, ".") == 0) || (strcmp(fpath, "./props.plist") == 0) || (strcmp(fpath, "./files.plist") == 0) || (strcmp(fpath, "./flist") == 0) || (strcmp(fpath, "./rdeps") == 0)) return 0; /* sanitized file path */ filep = strchr(fpath, '.') + 1; xe = calloc(1, sizeof(*xe)); assert(xe); xe->file = strdup(fpath); assert(xe->file); if ((strcmp(fpath, "./INSTALL") == 0) || (strcmp(fpath, "./REMOVE") == 0)) { /* metadata file */ xe->type = strdup("metadata"); assert(xe->type); goto out; } if (type == FTW_SL) { /* * Symlinks. * * Find out target file. */ xe->type = strdup("links"); assert(xe->type); buf = malloc(sb->st_size+1); assert(buf); r = readlink(fpath, buf, sb->st_size+1); if (r < 0 || r > sb->st_size) die("failed to process symlink %s:", fpath); buf[sb->st_size] = '\0'; /* * Check if symlink is absolute or relative; on the former * make it absolute for the target object. */ if (strncmp(buf, "../", 3) == 0) { p = realpath(fpath, NULL); if (p == NULL) { /* * This symlink points to an unexistent file, * which might be provided in another package. * So let's use the same target. */ xe->target = strdup(buf); } else { xe->target = strdup(p + strlen(destdir)); free(p); } } else if (strchr(buf, '/') == NULL) { p = strdup(filep); assert(p); dname = dirname(p); assert(dname); xe->target = xbps_xasprintf("%s/%s", dname, buf); free(p); } else { xe->target = strdup(buf); } assert(xe->target); free(buf); } else if (type == FTW_F) { /* * Regular files. * Find out if it's a configuration file or not * and calculate sha256 hash. */ if (entry_is_conf_file(filep)) xe->type = strdup("conf_files"); else xe->type = strdup("files"); assert(xe->type); if ((xe->hash = xbps_file_hash(fpath)) == NULL) die("failed to process hash for %s:", fpath); if (sb->st_nlink <= 1) instsize += sb->st_size; } else if (type == FTW_D || type == FTW_DP) { /* directory */ xe->type = strdup("dirs"); assert(xe->type); } out: TAILQ_INSERT_TAIL(&xentry_list, xe, entries); return 0; } static void process_xentry(const char *key, const char *mutable_files) { prop_array_t a; prop_dictionary_t d; struct xentry *xe; char *p, *saveptr, *args, *tok; bool found = false, mutable_found = false; a = prop_array_create(); assert(a); TAILQ_FOREACH_REVERSE(xe, &xentry_list, xentry_head, entries) { if (strcmp(xe->type, key)) continue; found = true; d = prop_dictionary_create(); assert(d); /* sanitize file path */ p = strchr(xe->file, '.') + 1; /* * Find out if this file is mutable. */ if (mutable_files) { if ((strchr(mutable_files, ' ') == NULL) && (strcmp(mutable_files, p) == 0)) prop_dictionary_set_bool(d, "mutable", true); else { args = strdup(mutable_files); assert(args); for ((tok = strtok_r(args, " ", &saveptr)); tok; (tok = strtok_r(NULL, " ", &saveptr))) { if (strcmp(tok, p) == 0) { mutable_found = true; break; } } free(args); if (mutable_found) { prop_dictionary_set_bool(d, "mutable", true); mutable_found = false; } } } prop_dictionary_set_cstring(d, "file", p); if (xe->target) prop_dictionary_set_cstring(d, "target", xe->target); else if (xe->hash) prop_dictionary_set_cstring(d, "sha256", xe->hash); prop_array_add(a, d); prop_object_release(d); } if (found) prop_dictionary_set(pkg_filesd, key, a); prop_object_release(a); } static void process_destdir(const char *mutable_files) { if (nftw(".", ftw_cb, 20, FTW_PHYS|FTW_MOUNT) != 0) die("failed to process destdir files (nftw):"); /* Process regular files */ process_xentry("files", mutable_files); /* Process configuration files */ process_xentry("conf_files", NULL); /* Process symlinks */ process_xentry("links", NULL); /* Process directories */ process_xentry("dirs", NULL); } static void write_entry(struct archive *ar, struct archive_entry *entry) { char buf[16384]; const char *name; int fd = -1; off_t len; ssize_t buf_len; if (archive_entry_pathname(entry) == NULL) return; if (archive_write_header(ar, entry)) { die("cannot write %s to archive: %s", archive_entry_pathname(entry), archive_error_string(ar)); } /* Only regular files can have data. */ if (archive_entry_filetype(entry) != AE_IFREG || archive_entry_size(entry) == 0) { archive_entry_free(entry); return; } name = archive_entry_sourcepath(entry); fd = open(name, O_RDONLY); assert(fd != -1); len = archive_entry_size(entry); while (len > 0) { buf_len = (len > (off_t)sizeof(buf)) ? (ssize_t)sizeof(buf) : (ssize_t)len; if ((buf_len = read(fd, buf, buf_len)) == 0) break; else if (buf_len < 0) die("cannot read from %s", name); archive_write_data(ar, buf, (size_t)buf_len); len -= buf_len; } close(fd); archive_entry_free(entry); } static void process_entry_file(struct archive *ar, struct archive_entry_linkresolver *resolver, struct xentry *xe, const char *filematch) { struct archive_entry *entry, *sparse_entry; struct stat st; char buf[16384], *p; ssize_t len; assert(ar); assert(xe); if (filematch && strcmp(xe->file, filematch)) return; p = xbps_xasprintf("%s/%s", destdir, xe->file); if (lstat(p, &st) == -1) die("failed to add entry (fstat) %s to archive:", xe->file); entry = archive_entry_new(); assert(entry); archive_entry_set_pathname(entry, xe->file); archive_entry_copy_stat(entry, &st); archive_entry_copy_sourcepath(entry, p); if (S_ISLNK(st.st_mode)) { len = readlink(p, buf, sizeof(buf)); if (len < 0 || len > st.st_size) die("failed to add entry %s (readlink) to archive:", xe->file); buf[len] = '\0'; archive_entry_set_symlink(entry, buf); } free(p); archive_entry_linkify(resolver, &entry, &sparse_entry); if (entry != NULL) write_entry(ar, entry); if (sparse_entry != NULL) write_entry(ar, sparse_entry); } static void process_entry_memory(struct archive *ar, const void *src, const char *file) { struct archive_entry *entry; time_t tm; assert(ar); assert(src); assert(file); tm = time(NULL); entry = archive_entry_new(); assert(entry); archive_entry_set_filetype(entry, AE_IFREG); archive_entry_set_perm(entry, 0644); archive_entry_set_uname(entry, "root"); archive_entry_set_gname(entry, "root"); archive_entry_set_pathname(entry, file); archive_entry_set_size(entry, strlen(src)); archive_entry_set_atime(entry, tm, 0); archive_entry_set_mtime(entry, tm, 0); archive_entry_set_ctime(entry, tm, 0); archive_write_header(ar, entry); archive_write_data(ar, src, strlen(src)); archive_entry_free(entry); } static void destroy_xentry(struct xentry *xe) { assert(xe); free(xe->file); free(xe->type); if (xe->target) free(xe->target); if (xe->hash) free(xe->hash); free(xe); } static void process_archive(struct archive *ar, struct archive_entry_linkresolver *resolver, const char *pkgver, bool quiet) { struct xentry *xe; char *xml; /* Add INSTALL/REMOVE metadata scripts first */ TAILQ_FOREACH(xe, &xentry_list, entries) { process_entry_file(ar, resolver, xe, "./INSTALL"); process_entry_file(ar, resolver, xe, "./REMOVE"); } /* * Add the installed-size object. */ prop_dictionary_set_uint64(pkg_propsd, "installed_size", instsize); /* Add props.plist metadata file */ xml = prop_dictionary_externalize(pkg_propsd); assert(xml); process_entry_memory(ar, xml, "./props.plist"); free(xml); /* Add files.plist metadata file */ xml = prop_dictionary_externalize(pkg_filesd); assert(xml); process_entry_memory(ar, xml, "./files.plist"); free(xml); /* Add all package data files and release resources */ while ((xe = TAILQ_FIRST(&xentry_list)) != NULL) { TAILQ_REMOVE(&xentry_list, xe, entries); if ((strcmp(xe->type, "metadata") == 0) || (strcmp(xe->type, "dirs") == 0)) { destroy_xentry(xe); continue; } if (!quiet) { printf("%s: adding `%s' ...\n", pkgver, xe->file); fflush(stdout); } process_entry_file(ar, resolver, xe, NULL); destroy_xentry(xe); } } static void set_build_date(void) { char outstr[64]; time_t t; struct tm *tmp; t = time(NULL); tmp = localtime(&t); assert(tmp); if (strftime(outstr, sizeof(outstr)-1, "%F %R %Z", tmp) == 0) die("failed to set build-date object (strftime):"); if (!prop_dictionary_set_cstring(pkg_propsd, "build-date", outstr)) die("failed to add build-date object:"); } int main(int argc, char **argv) { const char *shortopts = "A:B:C:D:F:G:H:hl:M:m:n:P:pqR:S:s:V"; const struct option longopts[] = { { "architecture", required_argument, NULL, 'A' }, { "built-with", required_argument, NULL, 'B' }, { "source-revisions", required_argument, NULL, 'G' }, { "conflicts", required_argument, NULL, 'C' }, { "dependencies", required_argument, NULL, 'D' }, { "config-files", required_argument, NULL, 'F' }, { "homepage", required_argument, NULL, 'H' }, { "help", no_argument, NULL, 'h' }, { "license", required_argument, NULL, 'l' }, { "mutable-files", required_argument, NULL, 'M' }, { "maintainer", required_argument, NULL, 'm' }, { "pkgver", required_argument, NULL, 'n' }, { "provides", required_argument, NULL, 'P' }, { "preserve", no_argument, NULL, 'p' }, { "quiet", no_argument, NULL, 'q' }, { "replaces", required_argument, NULL, 'R' }, { "long-desc", required_argument, NULL, 'S' }, { "desc", required_argument, NULL, 's' }, { "version", no_argument, NULL, 'V' }, { NULL, 0, NULL, 0 } }; struct archive *ar; struct archive_entry *entry, *sparse_entry; struct archive_entry_linkresolver *resolver; struct stat st; const char *conflicts, *deps, *homepage, *license, *maint, *bwith; const char *provides, *pkgver, *replaces, *desc, *ldesc; const char *arch, *config_files, *mutable_files, *version; const char *srcrevs = NULL; char *pkgname, *binpkg, *tname, *p, cwd[PATH_MAX-1]; bool quiet = false, preserve = false; int c, pkg_fd; mode_t myumask; arch = conflicts = deps = homepage = license = maint = NULL; provides = pkgver = replaces = desc = ldesc = bwith = NULL; config_files = mutable_files = NULL; while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) { if (optarg && strcmp(optarg, "") == 0) optarg = NULL; switch (c) { case 'A': arch = optarg; break; case 'B': bwith = optarg; break; case 'C': conflicts = optarg; break; case 'D': deps = optarg; break; case 'F': config_files = optarg; break; case 'G': srcrevs = optarg; break; case 'h': usage(); break; case 'H': homepage = optarg; break; case 'l': license = optarg; break; case 'M': mutable_files = optarg; break; case 'm': maint = optarg; break; case 'n': pkgver = optarg; break; case 'P': provides = optarg; break; case 'p': preserve = true; break; case 'q': quiet = true; break; case 'R': replaces = optarg; break; case 'S': ldesc = optarg; break; case 's': desc = optarg; break; case 'V': printf("%s\n", XBPS_RELVER); exit(EXIT_SUCCESS); case '?': default: usage(); } } if (argc == optind) usage(); destdir = argv[optind]; if (pkgver == NULL) die("pkgver not set!"); else if (desc == NULL) die("short description not set!"); else if (arch == NULL) die("architecture not set!"); /* * Sanity check for required options. */ pkgname = xbps_pkg_name(pkgver); if (pkgname == NULL) die("invalid pkgver! got `%s' expected `foo-1.0_1'", pkgver); version = xbps_pkg_version(pkgver); if (version == NULL) die("invalid pkgver! got `%s' expected `foo-1.0_1'", pkgver); if (stat(destdir, &st) == -1) die("failed to stat() destdir `%s':", destdir); if (!S_ISDIR(st.st_mode)) die("destdir `%s' is not a directory!", destdir); /* * Process XBPS_PKGPROPS metadata file. */ pkg_propsd = prop_dictionary_create(); assert(pkg_propsd); /* Required properties */ prop_dictionary_set_cstring_nocopy(pkg_propsd, "architecture", arch); prop_dictionary_set_cstring_nocopy(pkg_propsd, "pkgname", pkgname); prop_dictionary_set_cstring_nocopy(pkg_propsd, "version", version); prop_dictionary_set_cstring_nocopy(pkg_propsd, "pkgver", pkgver); prop_dictionary_set_cstring_nocopy(pkg_propsd, "short_desc", desc); set_build_date(); /* Optional properties */ if (homepage) prop_dictionary_set_cstring_nocopy(pkg_propsd, "homepage", homepage); if (license) prop_dictionary_set_cstring_nocopy(pkg_propsd, "license", license); if (maint) prop_dictionary_set_cstring_nocopy(pkg_propsd, "maintainer", maint); if (ldesc) prop_dictionary_set_cstring_nocopy(pkg_propsd, "long_desc", ldesc); if (bwith) prop_dictionary_set_cstring_nocopy(pkg_propsd, "packaged-with", bwith); if (srcrevs) prop_dictionary_set_cstring_nocopy(pkg_propsd, "source-revisions", srcrevs); if (preserve) prop_dictionary_set_bool(pkg_propsd, "preserve", true); /* Optional arrays */ process_array("run_depends", deps); process_array("conf_files", config_files); process_array("conflicts", conflicts); process_array("provides", provides); process_array("replaces", replaces); /* save cwd */ memset(&cwd, 0, sizeof(cwd)); p = getcwd(cwd, sizeof(cwd)); assert(p); if (chdir(destdir) == -1) die("cannot chdir() to destdir %s:", destdir); /* * Process XBPS_PKGFILES metadata file. */ pkg_filesd = prop_dictionary_create(); assert(pkg_filesd); process_destdir(mutable_files); /* Back to original cwd after file tree walk processing */ if (chdir(p) == -1) die("cannot chdir() to cwd %s:", cwd); /* * Create a temp file to store archive data. */ tname = xbps_xasprintf(".xbps-pkg-XXXXXX"); pkg_fd = mkstemp(tname); assert(pkg_fd != -1); /* * Process the binary package's archive (ustar compressed with xz). */ ar = archive_write_new(); assert(ar); archive_write_add_filter_xz(ar); archive_write_set_format_pax_restricted(ar); if ((resolver = archive_entry_linkresolver_new()) == NULL) die("cannot create link resolver"); archive_entry_linkresolver_set_strategy(resolver, archive_format(ar)); archive_write_set_options(ar, "compression-level=9"); if (archive_write_open_fd(ar, pkg_fd) != 0) die("Failed to open %s fd for writing:", tname); process_archive(ar, resolver, pkgver, quiet); /* Process hardlinks */ entry = NULL; archive_entry_linkify(resolver, &entry, &sparse_entry); while (entry != NULL) { write_entry(ar, entry); entry = NULL; archive_entry_linkify(resolver, &entry, &sparse_entry); } archive_entry_linkresolver_free(resolver); /* close and free archive */ archive_write_free(ar); prop_object_release(pkg_propsd); prop_object_release(pkg_filesd); /* * Archive was created successfully; flush data to storage, * set permissions and rename to dest file; from the caller's * perspective it's atomic. */ binpkg = xbps_xasprintf("%s.%s.xbps", pkgver, arch); (void)fsync(pkg_fd); myumask = umask(0); (void)umask(myumask); if (fchmod(pkg_fd, 0666 & ~myumask) == -1) die("cannot fchmod() %s:", tname); if (rename(tname, binpkg) == -1) die("cannot rename %s to %s:", tname, binpkg); /* Success, release resources */ if (!quiet) printf("%s: binary package created successfully (%s)\n", pkgver, binpkg); free(binpkg); free(pkgname); close(pkg_fd); exit(EXIT_SUCCESS); }