[people/ms/pakfire.git] / src / libpakfire / packager.c

/*#############################################################################
#                                                                             #
# Pakfire - The IPFire package management system                              #
# Copyright (C) 2021 Pakfire development team                                 #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
#############################################################################*/

#include <errno.h>
#include <fcntl.h>
#include <linux/limits.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>

#include <archive.h>
#include <archive_entry.h>

#include <json.h>

#include <pakfire/archive.h>
#include <pakfire/compress.h>
#include <pakfire/constants.h>
#include <pakfire/logging.h>
#include <pakfire/package.h>
#include <pakfire/packager.h>
#include <pakfire/pakfire.h>
#include <pakfire/pwd.h>
#include <pakfire/string.h>
#include <pakfire/util.h>

struct pakfire_packager {
	struct pakfire* pakfire;
	int nrefs;
	time_t time_created;

	struct pakfire_package* pkg;
	char filename[PATH_MAX];

	// Reader
	struct archive* reader;

	// Payload
	struct pakfire_filelist* filelist;

	// Scriptlets
	struct pakfire_scriptlet** scriptlets;
	unsigned int num_scriptlets;

	// Digests
	unsigned int digests;
};

static void pakfire_packager_free(struct pakfire_packager* packager) {
	// Scriptlets
	if (packager->scriptlets) {
		for (unsigned int i = 0; i < packager->num_scriptlets; i++)
			pakfire_scriptlet_unref(packager->scriptlets[i]);
		free(packager->scriptlets);
	}

	if (packager->reader)
		archive_read_free(packager->reader);

	if (packager->filelist)
		pakfire_filelist_unref(packager->filelist);
	pakfire_package_unref(packager->pkg);
	pakfire_unref(packager->pakfire);
	free(packager);
}

int pakfire_packager_create(struct pakfire_packager** packager,
		struct pakfire* pakfire, struct pakfire_package* pkg) {
	struct pakfire_packager* p = calloc(1, sizeof(*p));
	if (!p)
		return ENOMEM;

	int r = 1;

	// Save creation time
	p->time_created = time(NULL);

	// Initialize reference counting
	p->nrefs = 1;

	// Store a reference to Pakfire
	p->pakfire = pakfire_ref(pakfire);

	// Store a reference to the package
	p->pkg = pakfire_package_ref(pkg);

	// Use the default digests
	p->digests = PAKFIRE_PACKAGER_DIGESTS;

	// Set distribution
	const char* tag = pakfire_get_distro_tag(p->pakfire);
	if (!tag) {
		ERROR(p->pakfire, "Distribution tag is not configured: %m\n");
		goto ERROR;
	}

	pakfire_package_set_string(pkg, PAKFIRE_PKG_DISTRO, tag);

	// Set build host
	pakfire_package_set_string(pkg, PAKFIRE_PKG_BUILD_HOST, pakfire_hostname());

	// Set build time
	pakfire_package_set_num(pkg, PAKFIRE_PKG_BUILD_TIME, p->time_created);

	// Create reader
	p->reader = pakfire_make_archive_disk_reader(p->pakfire, 1);
	if (!p->reader)
		goto ERROR;

	// Create filelist
	r = pakfire_filelist_create(&p->filelist, p->pakfire);
	if (r)
		goto ERROR;

	// Add a requirement for the cryptographic algorithms we are using
	if (p->digests & PAKFIRE_DIGEST_SHA3_512) {
		r = pakfire_package_add_dep(p->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA3-512)");
		if (r)
			goto ERROR;
	}
	if (p->digests & PAKFIRE_DIGEST_SHA3_256) {
		r = pakfire_package_add_dep(p->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA3-256)");
		if (r)
			goto ERROR;
	}
	if (p->digests & PAKFIRE_DIGEST_BLAKE2B512) {
		r = pakfire_package_add_dep(p->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(Digest-BLAKE2b512)");
		if (r)
			goto ERROR;
	}
	if (p->digests & PAKFIRE_DIGEST_BLAKE2S256) {
		r = pakfire_package_add_dep(p->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(Digest-BLAKE2s256)");
		if (r)
			goto ERROR;
	}
	if (p->digests & PAKFIRE_DIGEST_SHA2_512) {
		r = pakfire_package_add_dep(p->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA2-512)");
		if (r)
			goto ERROR;
	}
	if (p->digests & PAKFIRE_DIGEST_SHA2_256) {
		r = pakfire_package_add_dep(p->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA2-256)");
		if (r)
			goto ERROR;
	}

	*packager = p;

	return 0;

ERROR:
	pakfire_packager_free(p);

	return r;
}

struct pakfire_packager* pakfire_packager_ref(
		struct pakfire_packager* packager) {
	++packager->nrefs;

	return packager;
}

struct pakfire_packager* pakfire_packager_unref(
		struct pakfire_packager* packager) {
	if (--packager->nrefs > 0)
		return packager;

	pakfire_packager_free(packager);
	return NULL;
}

const char* pakfire_packager_filename(struct pakfire_packager* packager) {
	if (!*packager->filename) {
		const char* filename = pakfire_package_get_string(packager->pkg, PAKFIRE_PKG_FILENAME);

		// Add arch
		if (pakfire_package_is_source(packager->pkg))
			pakfire_string_set(packager->filename, filename);
		else {
			const char* arch = pakfire_package_get_string(packager->pkg, PAKFIRE_PKG_ARCH);

			pakfire_string_format(packager->filename, "%s/%s", arch, filename);
		}
	}

	return packager->filename;
}

static struct archive_entry* pakfire_packager_create_file(
		struct pakfire_packager* packager, const char* filename, size_t size, mode_t mode) {
	// Create a new file entry
	struct archive_entry* entry = archive_entry_new();
	if (!entry)
		return NULL;

	// Set filename
	archive_entry_set_pathname(entry, filename);

	// This is a regular file
    archive_entry_set_filetype(entry, AE_IFREG);
    archive_entry_set_perm(entry, mode);

	// Set size
	archive_entry_set_size(entry, size);

	// Set ownership
	archive_entry_set_uname(entry, "root");
	archive_entry_set_uid(entry, 0);
	archive_entry_set_gname(entry, "root");
	archive_entry_set_gid(entry, 0);

	// Set times
	archive_entry_set_birthtime(entry, packager->time_created, 0);
	archive_entry_set_ctime(entry, packager->time_created, 0);
	archive_entry_set_mtime(entry, packager->time_created, 0);
	archive_entry_set_atime(entry, packager->time_created, 0);

	return entry;
}

static int pakfire_packager_write_file_from_buffer(struct pakfire_packager* packager,
		struct archive* a, const char* filename, mode_t mode, const char* buffer) {
	size_t size = strlen(buffer);

	// Create a new file
	struct archive_entry* entry = pakfire_packager_create_file(packager, filename, size, mode);
	if (!entry) {
		ERROR(packager->pakfire, "Could not create file '%s'\n", filename);
		return 1;
	}

	// This is the end of the header
	int r = archive_write_header(a, entry);
	if (r) {
		ERROR(packager->pakfire, "Error writing header: %s\n", archive_error_string(a));
		goto ERROR;
	}

	// Write content
	r = archive_write_data(a, buffer, strlen(buffer));
	if (r < 0) {
		ERROR(packager->pakfire, "Error writing data: %s\n", archive_error_string(a));
		goto ERROR;
	}

	// Success
	r = 0;

ERROR:
	archive_entry_free(entry);

	return r;
}

static int pakfire_packager_write_format(struct pakfire_packager* packager,
		struct archive* a) {
	const char buffer[] = TO_STRING(PACKAGE_FORMAT) "\n";

	DEBUG(packager->pakfire, "Writing package format\n");

	int r = pakfire_packager_write_file_from_buffer(packager, a,
		"pakfire-format", 0444, buffer);
	if (r)
		return r;

	// Add package format marker
	r = pakfire_package_add_dep(packager->pkg, PAKFIRE_PKG_REQUIRES,
		"pakfire(PackageFormat-" TO_STRING(PACKAGE_FORMAT) ")");
	if (r)
		return r;

	return 0;
}

static char* pakfire_packager_make_metadata(struct pakfire_packager* packager) {
	char* result = NULL;

	// Convert all package metadata to JSON
	struct json_object* md = pakfire_package_to_json(packager->pkg);
	if (!md)
		goto ERROR;

	// Serialize JSON to file
	const char* s = json_object_to_json_string_ext(md, 0);
	if (!s)
		goto ERROR;

	// Copy result onto heap
	result = strdup(s);
	if (!result)
		goto ERROR;

ERROR:
	// Free metadata
	if (md)
		json_object_put(md);

	return result;
}

static int pakfire_packager_write_metadata(struct pakfire_packager* packager,
		struct archive* a) {
	// Make metadata
	char* buffer = pakfire_packager_make_metadata(packager);
	if (!buffer)
		return 1;

	DEBUG(packager->pakfire, "Generated package metadata:\n%s\n", buffer);

	// Write buffer
	int r = pakfire_packager_write_file_from_buffer(packager, a,
		".PKGINFO", 0444, buffer);

	free(buffer);

	return r;
}

static int pakfire_packager_write_scriptlet(struct pakfire_packager* packager,
		struct archive* a, struct pakfire_scriptlet* scriptlet) {
	char filename[PATH_MAX];
	size_t size;
	int r;

	// Fetch type
	const char* type = pakfire_scriptlet_get_type(scriptlet);

	DEBUG(packager->pakfire, "Writing scriptlet '%s' to package\n", type);

	// Make filename
	r = pakfire_string_format(filename, ".scriptlets/%s", type);
	if (r)
		return r;

	// Fetch scriptlet
	const char* data = pakfire_scriptlet_get_data(scriptlet, &size);

	// Write file
	return pakfire_packager_write_file_from_buffer(packager, a, filename, 0544, data);
}

/*
	This function is being called at the end when all data has been added to the package.

	It will create a new archive and write the package to the given file descriptor.
*/
int pakfire_packager_finish(struct pakfire_packager* packager, FILE* f) {
	struct archive* a = NULL;
	unsigned int level;
	int r = 1;

	const char* nevra = pakfire_package_get_string(packager->pkg, PAKFIRE_PKG_NEVRA);

	// Add requires feature markers
	if (pakfire_package_has_rich_deps(packager->pkg)) {
		r = pakfire_package_add_dep(packager->pkg,
			PAKFIRE_PKG_REQUIRES, "pakfire(RichDependencies)");
		if (r)
			goto ERROR;
	}

	// Add filelist
	r = pakfire_package_set_filelist(packager->pkg, packager->filelist);
	if (r)
		goto ERROR;

	const size_t installsize = pakfire_filelist_total_size(packager->filelist);

	// Store total install size
	r = pakfire_package_set_num(packager->pkg, PAKFIRE_PKG_INSTALLSIZE, installsize);
	if (r)
		goto ERROR;

	// Select compression level
	if (pakfire_package_is_source(packager->pkg))
		level = 1;
	else
		level = 22;

	// Create a new archive that is being compressed as fast as possible
	r = pakfire_compress_create_archive(packager->pakfire, &a, f,
		PAKFIRE_COMPRESS_ZSTD, level);
	if (r)
		goto ERROR;

	// Add feature marker
	pakfire_package_add_dep(packager->pkg,
		PAKFIRE_PKG_REQUIRES, "pakfire(Compress-Zstandard)");

	// Start with the format file
	r = pakfire_packager_write_format(packager, a);
	if (r) {
		ERROR(packager->pakfire, "Could not add format file to archive: %s\n",
			archive_error_string(a));
		goto ERROR;
	}

	// Write the metadata
	r = pakfire_packager_write_metadata(packager, a);
	if (r) {
		ERROR(packager->pakfire, "Could not add metadata file to archive: %s\n",
			archive_error_string(a));
		goto ERROR;
	}

	// Write scriptlets
	for (unsigned int i = 0; i < packager->num_scriptlets; i++) {
		r = pakfire_packager_write_scriptlet(packager, a, packager->scriptlets[i]);
		if (r) {
			ERROR(packager->pakfire, "Could not add scriptlet to the archive: %m\n");
			goto ERROR;
		}
	}

	// Write the payload
	r = pakfire_compress(packager->pakfire, a, packager->filelist, nevra,
		PAKFIRE_COMPRESS_SHOW_THROUGHPUT, PAKFIRE_PACKAGER_DIGESTS);
	if (r)
		goto ERROR;

	// Flush all buffers to disk
	fflush(f);

	// Success
	r = 0;

ERROR:
	if (a)
		archive_write_free(a);

	return r;
}

int pakfire_packager_finish_to_directory(struct pakfire_packager* packager,
		const char* target, char** result) {
	char path[PATH_MAX];
	char tmppath[PATH_MAX];
	FILE* f = NULL;
	int r = 1;

	// target cannot be empty
	if (!target) {
		errno = EINVAL;
		return 1;
	}

	// Get the filename of the package
	const char* filename = pakfire_packager_filename(packager);
	if (!filename) {
		ERROR(packager->pakfire, "Could not generate filename for package: %m\n");
		r = 1;
		goto ERROR;
	}

	// Make the package path
	r = pakfire_string_format(path, "%s/%s", target, filename);
	if (r)
		goto ERROR;

	// Create the parent directory
	r = pakfire_mkparentdir(path, 0755);
	if (r)
		goto ERROR;

	// Create a temporary file in the target directory
	r = pakfire_string_format(tmppath, "%s.XXXXXX", path);
	if (r)
		goto ERROR;

	// Create a temporary result file
	f = pakfire_mktemp(tmppath, 0);
	if (!f)
		goto ERROR;

	// Write the finished package
	r = pakfire_packager_finish(packager, f);
	if (r) {
		ERROR(packager->pakfire, "pakfire_packager_finish() failed: %m\n");
		goto ERROR;
	}

	// Move the temporary file to destination
	r = rename(tmppath, path);
	if (r) {
		ERROR(packager->pakfire, "Could not move %s to %s: %m\n", tmppath, path);
		goto ERROR;
	}

	DEBUG(packager->pakfire, "Package written to %s\n", path);

	// Store result path if requested
	if (result) {
		*result = strdup(path);
		if (!*result) {
			r = 1;
			goto ERROR;
		}
	}

	// Success
	r = 0;

ERROR:
	if (f)
		fclose(f);

	// Remove temporary file
	if (r && *tmppath)
		unlink(tmppath);

	return r;
}

int pakfire_packager_add_file(struct pakfire_packager* packager, struct pakfire_file* file) {
	int r;

	// Check input
	if (!file) {
		errno = EINVAL;
		return 1;
	}

	// Fetch path
	const char* path = pakfire_file_get_path(file);

	// Files cannot have an empty path
	if (!*path) {
		ERROR(packager->pakfire, "Cannot add a file with an empty path\n");
		errno = EPERM;
		return 1;

	// Hidden files cannot be added
	} else if (*path == '.') {
		ERROR(packager->pakfire, "Hidden files cannot be added to a package: %s\n", path);
		errno = EPERM;
		return 1;
	}

	DEBUG(packager->pakfire, "Adding file to payload: %s\n", path);

	// Detect the MIME type
	r = pakfire_file_detect_mimetype(file);
	if (r)
		return r;

	// Overwrite a couple of things for source archives
	if (pakfire_package_is_source(packager->pkg)) {
		// Reset permissions
		pakfire_file_set_perms(file, 0644);

		// Reset file ownership
		pakfire_file_set_uname(file, "root");
		pakfire_file_set_gname(file, "root");
	}

	// Append the file to the filelist
	return pakfire_filelist_add(packager->filelist, file);
}

int pakfire_packager_add(struct pakfire_packager* packager,
		const char* sourcepath, const char* path) {
	struct pakfire_file* file = NULL;
	int r = 1;

	// Create file
	r = pakfire_file_create_from_path(&file, packager->pakfire, sourcepath);
	if (r)
		goto ERROR;

	// Assign a new path for inside the archive
	if (path) {
		r = pakfire_file_set_path(file, path);
		if (r)
			goto ERROR;
	}

	// Call the main function
	r = pakfire_packager_add_file(packager, file);

ERROR:
	if (file)
		pakfire_file_unref(file);

	return r;
}

static int __pakfire_packager_add_files(struct pakfire* pakfire,
		struct pakfire_file* file, void* p) {
	struct pakfire_packager* packager = (struct pakfire_packager*)p;

	return pakfire_packager_add_file(packager, file);
}

int pakfire_packager_add_files(
		struct pakfire_packager* packager, struct pakfire_filelist* filelist) {
	// Add all files on the filelist
	return pakfire_filelist_walk(filelist, __pakfire_packager_add_files, packager);
}

int pakfire_packager_add_scriptlet(struct pakfire_packager* packager,
		struct pakfire_scriptlet* scriptlet) {
	if (!scriptlet) {
		errno = EINVAL;
		return 1;
	}

	// Extend array
	packager->scriptlets = reallocarray(packager->scriptlets,
		packager->num_scriptlets + 1, sizeof(*packager->scriptlets));
	if (!packager->scriptlets)
		return 1;

	// Append scriptlet
	packager->scriptlets[packager->num_scriptlets++] = pakfire_scriptlet_ref(scriptlet);

	return 0;
}

/*
	Removes all files on the filelist
*/
int pakfire_packager_cleanup(struct pakfire_packager* packager) {
	// Delete all files on the filelist
	return pakfire_filelist_cleanup(packager->filelist);
}
Commit	Line	Data
6aeb48e6 MT	1	/*#############################################################################
	2	# #
	3	# Pakfire - The IPFire package management system #
	4	# Copyright (C) 2021 Pakfire development team #
	5	# #
	6	# This program is free software: you can redistribute it and/or modify #
	7	# it under the terms of the GNU General Public License as published by #
	8	# the Free Software Foundation, either version 3 of the License, or #
	9	# (at your option) any later version. #
	10	# #
	11	# This program is distributed in the hope that it will be useful, #
	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	14	# GNU General Public License for more details. #
	15	# #
	16	# You should have received a copy of the GNU General Public License #
	17	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	18	# #
	19	#############################################################################*/
	20
	21	#include <errno.h>
1ea1f35b MT	22	#include <fcntl.h>
1ea1f35b MT	23	#include <linux/limits.h>
6aeb48e6	24	#include <stdlib.h>
da08f989 MT	25	#include <sys/stat.h>
da08f989 MT	26	#include <sys/types.h>
05cfc2c9	27	#include <time.h>
da08f989	28	#include <unistd.h>
6aeb48e6	29
1ea1f35b	30	#include <archive.h>
da08f989	31	#include <archive_entry.h>
1ea1f35b	32
b59c9fa2 MT	33	#include <json.h>
b59c9fa2 MT	34
2adc4a4a	35	#include <pakfire/archive.h>
6bf9841b	36	#include <pakfire/compress.h>
436677a3	37	#include <pakfire/constants.h>
1ea1f35b	38	#include <pakfire/logging.h>
6aeb48e6 MT	39	#include <pakfire/package.h>
	40	#include <pakfire/packager.h>
	41	#include <pakfire/pakfire.h>
677e9e5b	42	#include <pakfire/pwd.h>
d973a13d	43	#include <pakfire/string.h>
f57ad279	44	#include <pakfire/util.h>
6aeb48e6 MT	45
6aeb48e6 MT	46	struct pakfire_packager {
ac4c607b	47	struct pakfire* pakfire;
6aeb48e6	48	int nrefs;
05cfc2c9	49	time_t time_created;
6aeb48e6	50
31480bee	51	struct pakfire_package* pkg;
bb06d548	52	char filename[PATH_MAX];
1ea1f35b	53
738b3582 MT	54	// Reader
	55	struct archive* reader;
	56
	57	// Payload
6bf9841b	58	struct pakfire_filelist* filelist;
106d2edd	59
9ca45f4f	60	// Scriptlets
106d2edd MT	61	struct pakfire_scriptlet** scriptlets;
106d2edd MT	62	unsigned int num_scriptlets;
9ca45f4f MT	63
	64	// Digests
	65	unsigned int digests;
6aeb48e6 MT	66	};
6aeb48e6 MT	67
1ea1f35b	68	static void pakfire_packager_free(struct pakfire_packager* packager) {
106d2edd MT	69	// Scriptlets
	70	if (packager->scriptlets) {
	71	for (unsigned int i = 0; i < packager->num_scriptlets; i++)
9dd7b1aa	72	pakfire_scriptlet_unref(packager->scriptlets[i]);
106d2edd MT	73	free(packager->scriptlets);
	74	}
	75
738b3582	76	if (packager->reader)
66817062	77	archive_read_free(packager->reader);
738b3582	78
6bf9841b MT	79	if (packager->filelist)
6bf9841b MT	80	pakfire_filelist_unref(packager->filelist);
1ea1f35b MT	81	pakfire_package_unref(packager->pkg);
1ea1f35b MT	82	pakfire_unref(packager->pakfire);
51105783	83	free(packager);
1ea1f35b MT	84	}
1ea1f35b MT	85
22b8e37b	86	int pakfire_packager_create(struct pakfire_packager** packager,
5d7a93ec	87	struct pakfire* pakfire, struct pakfire_package* pkg) {
6aeb48e6 MT	88	struct pakfire_packager* p = calloc(1, sizeof(*p));
	89	if (!p)
	90	return ENOMEM;
	91
e282863a MT	92	int r = 1;
e282863a MT	93
05cfc2c9 MT	94	// Save creation time
	95	p->time_created = time(NULL);
	96
6aeb48e6 MT	97	// Initialize reference counting
	98	p->nrefs = 1;
	99
	100	// Store a reference to Pakfire
5d7a93ec	101	p->pakfire = pakfire_ref(pakfire);
6aeb48e6 MT	102
	103	// Store a reference to the package
	104	p->pkg = pakfire_package_ref(pkg);
	105
9ca45f4f MT	106	// Use the default digests
	107	p->digests = PAKFIRE_PACKAGER_DIGESTS;
	108
cb9b4eba MT	109	// Set distribution
	110	const char* tag = pakfire_get_distro_tag(p->pakfire);
	111	if (!tag) {
	112	ERROR(p->pakfire, "Distribution tag is not configured: %m\n");
	113	goto ERROR;
	114	}
	115
74468e4f	116	pakfire_package_set_string(pkg, PAKFIRE_PKG_DISTRO, tag);
cb9b4eba	117
cd2c2cfb	118	// Set build host
1f669e88	119	pakfire_package_set_string(pkg, PAKFIRE_PKG_BUILD_HOST, pakfire_hostname());
cd2c2cfb MT	120
cd2c2cfb MT	121	// Set build time
3f327c3c	122	pakfire_package_set_num(pkg, PAKFIRE_PKG_BUILD_TIME, p->time_created);
cd2c2cfb	123
0682aeb3	124	// Create reader
66817062 MT	125	p->reader = pakfire_make_archive_disk_reader(p->pakfire, 1);
66817062 MT	126	if (!p->reader)
1ba1869e	127	goto ERROR;
1ea1f35b	128
6bf9841b MT	129	// Create filelist
6bf9841b MT	130	r = pakfire_filelist_create(&p->filelist, p->pakfire);
0682aeb3	131	if (r)
738b3582	132	goto ERROR;
738b3582	133
6bf9841b	134	// Add a requirement for the cryptographic algorithms we are using
6f3fad3b MT	135	if (p->digests & PAKFIRE_DIGEST_SHA3_512) {
	136	r = pakfire_package_add_dep(p->pkg,
	137	PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA3-512)");
	138	if (r)
	139	goto ERROR;
	140	}
	141	if (p->digests & PAKFIRE_DIGEST_SHA3_256) {
	142	r = pakfire_package_add_dep(p->pkg,
	143	PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA3-256)");
	144	if (r)
	145	goto ERROR;
	146	}
	147	if (p->digests & PAKFIRE_DIGEST_BLAKE2B512) {
	148	r = pakfire_package_add_dep(p->pkg,
	149	PAKFIRE_PKG_REQUIRES, "pakfire(Digest-BLAKE2b512)");
	150	if (r)
	151	goto ERROR;
	152	}
	153	if (p->digests & PAKFIRE_DIGEST_BLAKE2S256) {
	154	r = pakfire_package_add_dep(p->pkg,
	155	PAKFIRE_PKG_REQUIRES, "pakfire(Digest-BLAKE2s256)");
	156	if (r)
	157	goto ERROR;
	158	}
	159	if (p->digests & PAKFIRE_DIGEST_SHA2_512) {
	160	r = pakfire_package_add_dep(p->pkg,
	161	PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA2-512)");
	162	if (r)
	163	goto ERROR;
	164	}
	165	if (p->digests & PAKFIRE_DIGEST_SHA2_256) {
	166	r = pakfire_package_add_dep(p->pkg,
	167	PAKFIRE_PKG_REQUIRES, "pakfire(Digest-SHA2-256)");
	168	if (r)
	169	goto ERROR;
	170	}
6bf9841b	171
6aeb48e6 MT	172	*packager = p;
	173
	174	return 0;
1ba1869e MT	175
	176	ERROR:
	177	pakfire_packager_free(p);
	178
	179	return r;
6aeb48e6 MT	180	}
6aeb48e6 MT	181
22b8e37b	182	struct pakfire_packager* pakfire_packager_ref(
6aeb48e6 MT	183	struct pakfire_packager* packager) {
	184	++packager->nrefs;
	185
	186	return packager;
	187	}
	188
22b8e37b	189	struct pakfire_packager* pakfire_packager_unref(
6aeb48e6 MT	190	struct pakfire_packager* packager) {
	191	if (--packager->nrefs > 0)
	192	return packager;
	193
	194	pakfire_packager_free(packager);
6aeb48e6 MT	195	return NULL;
6aeb48e6 MT	196	}
da08f989	197
22b8e37b	198	const char* pakfire_packager_filename(struct pakfire_packager* packager) {
bb06d548	199	if (!*packager->filename) {
0aade652	200	const char* filename = pakfire_package_get_string(packager->pkg, PAKFIRE_PKG_FILENAME);
bb06d548 MT	201
	202	// Add arch
	203	if (pakfire_package_is_source(packager->pkg))
	204	pakfire_string_set(packager->filename, filename);
	205	else {
74468e4f	206	const char* arch = pakfire_package_get_string(packager->pkg, PAKFIRE_PKG_ARCH);
bb06d548 MT	207
	208	pakfire_string_format(packager->filename, "%s/%s", arch, filename);
	209	}
	210	}
	211
	212	return packager->filename;
96d2c7bc MT	213	}
96d2c7bc MT	214
28700a5b	215	static struct archive_entry* pakfire_packager_create_file(
95b81a98	216	struct pakfire_packager* packager, const char* filename, size_t size, mode_t mode) {
98e85f1c MT	217	// Create a new file entry
	218	struct archive_entry* entry = archive_entry_new();
	219	if (!entry)
28700a5b	220	return NULL;
98e85f1c MT	221
	222	// Set filename
	223	archive_entry_set_pathname(entry, filename);
	224
	225	// This is a regular file
	226	archive_entry_set_filetype(entry, AE_IFREG);
95b81a98	227	archive_entry_set_perm(entry, mode);
98e85f1c	228
28700a5b MT	229	// Set size
	230	archive_entry_set_size(entry, size);
	231
05cfc2c9 MT	232	// Set ownership
	233	archive_entry_set_uname(entry, "root");
	234	archive_entry_set_uid(entry, 0);
	235	archive_entry_set_gname(entry, "root");
	236	archive_entry_set_gid(entry, 0);
	237
	238	// Set times
	239	archive_entry_set_birthtime(entry, packager->time_created, 0);
	240	archive_entry_set_ctime(entry, packager->time_created, 0);
	241	archive_entry_set_mtime(entry, packager->time_created, 0);
	242	archive_entry_set_atime(entry, packager->time_created, 0);
	243
28700a5b MT	244	return entry;
	245	}
	246
	247	static int pakfire_packager_write_file_from_buffer(struct pakfire_packager* packager,
bfdad796	248	struct archive* a, const char* filename, mode_t mode, const char* buffer) {
28700a5b MT	249	size_t size = strlen(buffer);
	250
	251	// Create a new file
7e346194 MT	252	struct archive_entry* entry = pakfire_packager_create_file(packager, filename, size, mode);
	253	if (!entry) {
	254	ERROR(packager->pakfire, "Could not create file '%s'\n", filename);
28700a5b	255	return 1;
7e346194	256	}
98e85f1c MT	257
	258	// This is the end of the header
	259	int r = archive_write_header(a, entry);
	260	if (r) {
	261	ERROR(packager->pakfire, "Error writing header: %s\n", archive_error_string(a));
265a7974	262	goto ERROR;
98e85f1c MT	263	}
	264
	265	// Write content
	266	r = archive_write_data(a, buffer, strlen(buffer));
	267	if (r < 0) {
	268	ERROR(packager->pakfire, "Error writing data: %s\n", archive_error_string(a));
265a7974	269	goto ERROR;
98e85f1c MT	270	}
98e85f1c MT	271
265a7974 MT	272	// Success
	273	r = 0;
	274
	275	ERROR:
98e85f1c MT	276	archive_entry_free(entry);
98e85f1c MT	277
265a7974	278	return r;
98e85f1c MT	279	}
98e85f1c MT	280
436677a3 MT	281	static int pakfire_packager_write_format(struct pakfire_packager* packager,
	282	struct archive* a) {
	283	const char buffer[] = TO_STRING(PACKAGE_FORMAT) "\n";
	284
7e346194 MT	285	DEBUG(packager->pakfire, "Writing package format\n");
7e346194 MT	286
bfdad796	287	int r = pakfire_packager_write_file_from_buffer(packager, a,
0dbfb5e1	288	"pakfire-format", 0444, buffer);
a6dd151e MT	289	if (r)
	290	return r;
	291
	292	// Add package format marker
6f3fad3b	293	r = pakfire_package_add_dep(packager->pkg, PAKFIRE_PKG_REQUIRES,
a6dd151e	294	"pakfire(PackageFormat-" TO_STRING(PACKAGE_FORMAT) ")");
6f3fad3b MT	295	if (r)
6f3fad3b MT	296	return r;
a6dd151e MT	297
a6dd151e MT	298	return 0;
436677a3 MT	299	}
436677a3 MT	300
b59c9fa2 MT	301	static char* pakfire_packager_make_metadata(struct pakfire_packager* packager) {
b59c9fa2 MT	302	char* result = NULL;
98e85f1c	303
b59c9fa2 MT	304	// Convert all package metadata to JSON
	305	struct json_object* md = pakfire_package_to_json(packager->pkg);
	306	if (!md)
98e85f1c MT	307	goto ERROR;
98e85f1c MT	308
b59c9fa2	309	// Serialize JSON to file
ef4a2e77	310	const char* s = json_object_to_json_string_ext(md, 0);
b59c9fa2	311	if (!s)
98e85f1c MT	312	goto ERROR;
98e85f1c MT	313
b59c9fa2 MT	314	// Copy result onto heap
	315	result = strdup(s);
	316	if (!result)
98e85f1c	317	goto ERROR;
98e85f1c MT	318
98e85f1c MT	319	ERROR:
b59c9fa2 MT	320	// Free metadata
	321	if (md)
	322	json_object_put(md);
98e85f1c	323
b59c9fa2	324	return result;
98e85f1c MT	325	}
	326
	327	static int pakfire_packager_write_metadata(struct pakfire_packager* packager,
bfdad796	328	struct archive* a) {
98e85f1c	329	// Make metadata
b59c9fa2	330	char* buffer = pakfire_packager_make_metadata(packager);
98e85f1c MT	331	if (!buffer)
	332	return 1;
	333
b59c9fa2	334	DEBUG(packager->pakfire, "Generated package metadata:\n%s\n", buffer);
98e85f1c MT	335
98e85f1c MT	336	// Write buffer
bfdad796	337	int r = pakfire_packager_write_file_from_buffer(packager, a,
9f6b177b	338	".PKGINFO", 0444, buffer);
98e85f1c MT	339
	340	free(buffer);
	341
	342	return r;
	343	}
	344
106d2edd	345	static int pakfire_packager_write_scriptlet(struct pakfire_packager* packager,
bfdad796	346	struct archive* a, struct pakfire_scriptlet* scriptlet) {
106d2edd MT	347	char filename[PATH_MAX];
	348	size_t size;
	349	int r;
	350
	351	// Fetch type
	352	const char* type = pakfire_scriptlet_get_type(scriptlet);
	353
	354	DEBUG(packager->pakfire, "Writing scriptlet '%s' to package\n", type);
	355
	356	// Make filename
9f6b177b	357	r = pakfire_string_format(filename, ".scriptlets/%s", type);
a60955af	358	if (r)
106d2edd MT	359	return r;
	360
	361	// Fetch scriptlet
	362	const char* data = pakfire_scriptlet_get_data(scriptlet, &size);
	363
	364	// Write file
bfdad796	365	return pakfire_packager_write_file_from_buffer(packager, a, filename, 0544, data);
106d2edd MT	366	}
106d2edd MT	367
436677a3 MT	368	/*
	369	This function is being called at the end when all data has been added to the package.
	370
	371	It will create a new archive and write the package to the given file descriptor.
	372	*/
22b8e37b	373	int pakfire_packager_finish(struct pakfire_packager* packager, FILE* f) {
1b4e7c7b	374	struct archive* a = NULL;
cec1458f	375	unsigned int level;
96d2c7bc	376	int r = 1;
436677a3	377
74468e4f	378	const char* nevra = pakfire_package_get_string(packager->pkg, PAKFIRE_PKG_NEVRA);
1b4e7c7b	379
555b6dd2	380	// Add requires feature markers
6f3fad3b MT	381	if (pakfire_package_has_rich_deps(packager->pkg)) {
	382	r = pakfire_package_add_dep(packager->pkg,
	383	PAKFIRE_PKG_REQUIRES, "pakfire(RichDependencies)");
	384	if (r)
	385	goto ERROR;
	386	}
555b6dd2	387
260006f2 MT	388	// Add filelist
	389	r = pakfire_package_set_filelist(packager->pkg, packager->filelist);
	390	if (r)
	391	goto ERROR;
	392
6bf9841b MT	393	const size_t installsize = pakfire_filelist_total_size(packager->filelist);
6bf9841b MT	394
508e2030	395	// Store total install size
3f327c3c MT	396	r = pakfire_package_set_num(packager->pkg, PAKFIRE_PKG_INSTALLSIZE, installsize);
	397	if (r)
	398	goto ERROR;
fafe383d	399
a3151996 MT	400	// Select compression level
a3151996 MT	401	if (pakfire_package_is_source(packager->pkg))
e66c6bbc	402	level = 1;
a3151996	403	else
e66c6bbc	404	level = 22;
a3151996	405
e66c6bbc MT	406	// Create a new archive that is being compressed as fast as possible
	407	r = pakfire_compress_create_archive(packager->pakfire, &a, f,
	408	PAKFIRE_COMPRESS_ZSTD, level);
	409	if (r)
	410	goto ERROR;
63476763 MT	411
63476763 MT	412	// Add feature marker
6f3fad3b MT	413	pakfire_package_add_dep(packager->pkg,
6f3fad3b MT	414	PAKFIRE_PKG_REQUIRES, "pakfire(Compress-Zstandard)");
63476763	415
436677a3 MT	416	// Start with the format file
436677a3 MT	417	r = pakfire_packager_write_format(packager, a);
265a7974 MT	418	if (r) {
	419	ERROR(packager->pakfire, "Could not add format file to archive: %s\n",
	420	archive_error_string(a));
436677a3	421	goto ERROR;
265a7974	422	}
436677a3	423
98e85f1c	424	// Write the metadata
bfdad796	425	r = pakfire_packager_write_metadata(packager, a);
265a7974 MT	426	if (r) {
	427	ERROR(packager->pakfire, "Could not add metadata file to archive: %s\n",
	428	archive_error_string(a));
98e85f1c	429	goto ERROR;
265a7974	430	}
98e85f1c	431
d8856104 MT	432	// Write scriptlets
	433	for (unsigned int i = 0; i < packager->num_scriptlets; i++) {
	434	r = pakfire_packager_write_scriptlet(packager, a, packager->scriptlets[i]);
	435	if (r) {
	436	ERROR(packager->pakfire, "Could not add scriptlet to the archive: %m\n");
	437	goto ERROR;
	438	}
	439	}
	440
bfdad796	441	// Write the payload
6bf9841b MT	442	r = pakfire_compress(packager->pakfire, a, packager->filelist, nevra,
6bf9841b MT	443	PAKFIRE_COMPRESS_SHOW_THROUGHPUT, PAKFIRE_PACKAGER_DIGESTS);
131c1449 MT	444	if (r)
131c1449 MT	445	goto ERROR;
265a7974	446
2013270b MT	447	// Flush all buffers to disk
	448	fflush(f);
	449
96d2c7bc MT	450	// Success
96d2c7bc MT	451	r = 0;
436677a3 MT	452
	453	ERROR:
	454	if (a)
265a7974	455	archive_write_free(a);
436677a3	456
96d2c7bc	457	return r;
436677a3 MT	458	}
436677a3 MT	459
22b8e37b	460	int pakfire_packager_finish_to_directory(struct pakfire_packager* packager,
45448dbd	461	const char* target, char** result) {
48c6f2e7	462	char path[PATH_MAX];
bb06d548	463	char tmppath[PATH_MAX];
131c1449	464	FILE* f = NULL;
48c6f2e7 MT	465	int r = 1;
	466
	467	// target cannot be empty
	468	if (!target) {
	469	errno = EINVAL;
	470	return 1;
	471	}
	472
bb06d548 MT	473	// Get the filename of the package
	474	const char* filename = pakfire_packager_filename(packager);
	475	if (!filename) {
b1772bfb	476	ERROR(packager->pakfire, "Could not generate filename for package: %m\n");
bb06d548 MT	477	r = 1;
	478	goto ERROR;
	479	}
	480
	481	// Make the package path
	482	r = pakfire_string_format(path, "%s/%s", target, filename);
a60955af	483	if (r)
bb06d548 MT	484	goto ERROR;
	485
	486	// Create the parent directory
520ce66c	487	r = pakfire_mkparentdir(path, 0755);
bb06d548 MT	488	if (r)
	489	goto ERROR;
	490
48c6f2e7	491	// Create a temporary file in the target directory
bb06d548	492	r = pakfire_string_format(tmppath, "%s.XXXXXX", path);
a60955af	493	if (r)
bb06d548	494	goto ERROR;
48c6f2e7 MT	495
48c6f2e7 MT	496	// Create a temporary result file
a87004ed	497	f = pakfire_mktemp(tmppath, 0);
48c6f2e7 MT	498	if (!f)
	499	goto ERROR;
	500
	501	// Write the finished package
	502	r = pakfire_packager_finish(packager, f);
	503	if (r) {
b1772bfb	504	ERROR(packager->pakfire, "pakfire_packager_finish() failed: %m\n");
48c6f2e7 MT	505	goto ERROR;
	506	}
	507
48c6f2e7	508	// Move the temporary file to destination
bb06d548 MT	509	r = rename(tmppath, path);
bb06d548 MT	510	if (r) {
b1772bfb	511	ERROR(packager->pakfire, "Could not move %s to %s: %m\n", tmppath, path);
48c6f2e7	512	goto ERROR;
bb06d548	513	}
48c6f2e7	514
3ddc473d	515	DEBUG(packager->pakfire, "Package written to %s\n", path);
48c6f2e7	516
45448dbd MT	517	// Store result path if requested
	518	if (result) {
	519	*result = strdup(path);
	520	if (!*result) {
	521	r = 1;
	522	goto ERROR;
	523	}
	524	}
	525
48c6f2e7 MT	526	// Success
	527	r = 0;
	528
	529	ERROR:
131c1449 MT	530	if (f)
	531	fclose(f);
	532
48c6f2e7	533	// Remove temporary file
bb06d548 MT	534	if (r && *tmppath)
bb06d548 MT	535	unlink(tmppath);
48c6f2e7	536
bb06d548	537	return r;
48c6f2e7 MT	538	}
48c6f2e7 MT	539
80a108bf	540	int pakfire_packager_add_file(struct pakfire_packager* packager, struct pakfire_file* file) {
210aabe9 MT	541	int r;
210aabe9 MT	542
85b59296 MT	543	// Check input
85b59296 MT	544	if (!file) {
255d4488 MT	545	errno = EINVAL;
	546	return 1;
	547	}
da08f989	548
85b59296 MT	549	// Fetch path
85b59296 MT	550	const char* path = pakfire_file_get_path(file);
da08f989	551
85b59296 MT	552	// Files cannot have an empty path
	553	if (!*path) {
	554	ERROR(packager->pakfire, "Cannot add a file with an empty path\n");
	555	errno = EPERM;
	556	return 1;
da08f989	557
85b59296 MT	558	// Hidden files cannot be added
	559	} else if (*path == '.') {
	560	ERROR(packager->pakfire, "Hidden files cannot be added to a package: %s\n", path);
	561	errno = EPERM;
	562	return 1;
738b3582	563	}
da08f989	564
85b59296 MT	565	DEBUG(packager->pakfire, "Adding file to payload: %s\n", path);
85b59296 MT	566
210aabe9 MT	567	// Detect the MIME type
	568	r = pakfire_file_detect_mimetype(file);
	569	if (r)
	570	return r;
	571
2ed2b519 MT	572	// Overwrite a couple of things for source archives
	573	if (pakfire_package_is_source(packager->pkg)) {
	574	// Reset permissions
85b59296	575	pakfire_file_set_perms(file, 0644);
2ed2b519 MT	576
2ed2b519 MT	577	// Reset file ownership
302e3253 MT	578	pakfire_file_set_uname(file, "root");
302e3253 MT	579	pakfire_file_set_gname(file, "root");
2ed2b519 MT	580	}
2ed2b519 MT	581
6bf9841b	582	// Append the file to the filelist
2f88682d	583	return pakfire_filelist_add(packager->filelist, file);
da08f989	584	}
106d2edd	585
85b59296 MT	586	int pakfire_packager_add(struct pakfire_packager* packager,
	587	const char* sourcepath, const char* path) {
	588	struct pakfire_file* file = NULL;
	589	int r = 1;
	590
61b0856b MT	591	// Create file
61b0856b MT	592	r = pakfire_file_create_from_path(&file, packager->pakfire, sourcepath);
85b59296 MT	593	if (r)
	594	goto ERROR;
	595
61b0856b MT	596	// Assign a new path for inside the archive
	597	if (path) {
	598	r = pakfire_file_set_path(file, path);
	599	if (r)
	600	goto ERROR;
	601	}
	602
85b59296 MT	603	// Call the main function
	604	r = pakfire_packager_add_file(packager, file);
	605
	606	ERROR:
	607	if (file)
	608	pakfire_file_unref(file);
	609
	610	return r;
	611	}
	612
5d5da764 MT	613	static int __pakfire_packager_add_files(struct pakfire* pakfire,
	614	struct pakfire_file* file, void* p) {
	615	struct pakfire_packager* packager = (struct pakfire_packager*)p;
814b7fee	616
5d5da764 MT	617	return pakfire_packager_add_file(packager, file);
5d5da764 MT	618	}
814b7fee	619
5d5da764 MT	620	int pakfire_packager_add_files(
	621	struct pakfire_packager* packager, struct pakfire_filelist* filelist) {
	622	// Add all files on the filelist
48ff07ff	623	return pakfire_filelist_walk(filelist, __pakfire_packager_add_files, packager);
814b7fee MT	624	}
814b7fee MT	625
106d2edd MT	626	int pakfire_packager_add_scriptlet(struct pakfire_packager* packager,
	627	struct pakfire_scriptlet* scriptlet) {
	628	if (!scriptlet) {
	629	errno = EINVAL;
	630	return 1;
	631	}
	632
	633	// Extend array
	634	packager->scriptlets = reallocarray(packager->scriptlets,
	635	packager->num_scriptlets + 1, sizeof(*packager->scriptlets));
	636	if (!packager->scriptlets)
	637	return 1;
	638
	639	// Append scriptlet
	640	packager->scriptlets[packager->num_scriptlets++] = pakfire_scriptlet_ref(scriptlet);
	641
	642	return 0;
	643	}
2a838122 MT	644
	645	/*
	646	Removes all files on the filelist
	647	*/
	648	int pakfire_packager_cleanup(struct pakfire_packager* packager) {
	649	// Delete all files on the filelist
	650	return pakfire_filelist_cleanup(packager->filelist);
	651	}