int
cr_repomd_record_compress_and_fill(cr_RepomdRecord *record,
cr_RepomdRecord *crecord,
cr_ChecksumType checksum_type,
cr_CompressionType record_compression,
GError **err)
{
const char *suffix;
gchar *path, *cpath;
gchar *clocation_real, *clocation_href;
gchar *checksum, *cchecksum;
int readed;
char buf[BUFFER_SIZE];
CR_FILE *cw_plain;
CR_FILE *cw_compressed;
gint64 gf_size = -1, cgf_size = -1;
gint64 gf_time = -1, cgf_time = -1;
struct stat gf_stat, cgf_stat;
const char *checksum_str = cr_checksum_name_str(checksum_type);
GError *tmp_err = NULL;
assert(record);
assert(crecord);
assert(!err || *err == NULL);
if (!(record->location_real) || !strlen(record->location_real)) {
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_BADARG,
"Empty locations in repomd record object");
return CRE_BADARG;
}
if (!g_file_test(record->location_real, G_FILE_TEST_IS_REGULAR)) {
// File doesn't exists
g_warning("%s: File %s doesn't exists", __func__, record->location_real);
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_NOFILE,
"File %s doesn't exists or not a regular file",
record->location_real);
return CRE_NOFILE;;
}
// Paths
suffix = cr_compression_suffix(record_compression);
clocation_real = g_strconcat(record->location_real, suffix, NULL);
clocation_href = g_strconcat(record->location_href, suffix, NULL);
crecord->location_real = g_string_chunk_insert(crecord->chunk,
clocation_real);
crecord->location_href = g_string_chunk_insert(crecord->chunk,
clocation_href);
g_free(clocation_real);
g_free(clocation_href);
path = record->location_real;
cpath = crecord->location_real;
// Compress file + get size of non compressed file
cw_plain = cr_open(path,
CR_CW_MODE_READ,
CR_CW_NO_COMPRESSION,
&tmp_err);
if (!cw_plain) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err, "Cannot open %s: ", path);
return code;
}
cw_compressed = cr_open(cpath,
CR_CW_MODE_WRITE,
record_compression,
&tmp_err);
if (!cw_compressed) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err, "Cannot open %s: ", cpath);
return code;
}
while ((readed = cr_read(cw_plain, buf, BUFFER_SIZE, &tmp_err)) > 0) {
cr_write(cw_compressed, buf, (unsigned int) readed, &tmp_err);
if (tmp_err)
break;
}
cr_close(cw_plain, NULL);
if (tmp_err) {
int code = tmp_err->code;
cr_close(cw_compressed, NULL);
g_debug("%s: Error while repomd record compression: %s", __func__,
tmp_err->message);
g_propagate_prefixed_error(err, tmp_err,
"Error while compression %s -> %s:", path, cpath);
return code;
}
cr_close(cw_compressed, &tmp_err);
if (tmp_err) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err,
"Error while closing %s: ", path);
return code;
}
// Compute checksums
checksum = cr_checksum_file(path, checksum_type, &tmp_err);
if (tmp_err) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err,
"Error while checksum calculation:");
return code;
}
cchecksum = cr_checksum_file(cpath, checksum_type, &tmp_err);
if (tmp_err) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err,
"Error while checksum calculation:");
return code;
}
// Get stats
if (stat(path, &gf_stat)) {
g_debug("%s: Error while stat() on %s", __func__, path);
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_IO,
"Cannot stat %s", path);
return CRE_IO;
} else {
gf_size = gf_stat.st_size;
gf_time = gf_stat.st_mtime;
}
if (stat(cpath, &cgf_stat)) {
g_debug("%s: Error while stat() on %s", __func__, cpath);
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_IO,
"Cannot stat %s", cpath);
return CRE_IO;
} else {
cgf_size = cgf_stat.st_size;
cgf_time = cgf_stat.st_mtime;
}
// Results
record->checksum = g_string_chunk_insert(record->chunk, checksum);
record->checksum_type = g_string_chunk_insert(record->chunk, checksum_str);
record->checksum_open = NULL;
record->checksum_open_type = NULL;
record->timestamp = gf_time;
record->size = gf_size;
record->size_open = -1;
crecord->checksum = g_string_chunk_insert(crecord->chunk, cchecksum);
crecord->checksum_type = g_string_chunk_insert(crecord->chunk, checksum_str);
crecord->checksum_open = g_string_chunk_insert(record->chunk, checksum);
crecord->checksum_open_type = g_string_chunk_insert(record->chunk, checksum_str);
crecord->timestamp = cgf_time;
crecord->size = cgf_size;
crecord->size_open = gf_size;
g_free(checksum);
g_free(cchecksum);
return CRE_OK;
}
static char *
get_checksum(const char *filename,
cr_ChecksumType type,
cr_Package *pkg,
const char *cachedir,
GError **err)
{
GError *tmp_err = NULL;
char *checksum = NULL;
char *cachefn = NULL;
if (cachedir) {
// Prepare cache fn
char *key;
cr_ChecksumCtx *ctx = cr_checksum_new(type, err);
if (!ctx) return NULL;
if (pkg->siggpg)
cr_checksum_update(ctx, pkg->siggpg->data, pkg->siggpg->size, NULL);
if (pkg->sigpgp)
cr_checksum_update(ctx, pkg->sigpgp->data, pkg->sigpgp->size, NULL);
if (pkg->hdrid)
cr_checksum_update(ctx, pkg->hdrid, strlen(pkg->hdrid), NULL);
key = cr_checksum_final(ctx, err);
if (!key) return NULL;
cachefn = g_strdup_printf("%s%s-%s-%"G_GINT64_FORMAT"-%"G_GINT64_FORMAT,
cachedir,
cr_get_filename(pkg->location_href),
key, pkg->size_installed, pkg->time_file);
free(key);
// Try to load checksum
FILE *f = fopen(cachefn, "r");
if (f) {
char buf[CACHEDCHKSUM_BUFFER_LEN];
size_t readed = fread(buf, 1, CACHEDCHKSUM_BUFFER_LEN, f);
if (!ferror(f) && readed > 0) {
checksum = g_strndup(buf, readed);
}
fclose(f);
}
if (checksum) {
g_debug("Cached checksum used: %s: \"%s\"", cachefn, checksum);
goto exit;
}
}
// Calculate checksum
checksum = cr_checksum_file(filename, type, &tmp_err);
if (!checksum) {
g_propagate_prefixed_error(err, tmp_err,
"Error while checksum calculation: ");
goto exit;
}
// Cache the checksum value
if (cachefn && !g_file_test(cachefn, G_FILE_TEST_EXISTS)) {
gchar *template = g_strconcat(cachefn, "-XXXXXX", NULL);
int
cr_repomd_record_fill(cr_RepomdRecord *md,
cr_ChecksumType checksum_type,
GError **err)
{
const char *checksum_str;
cr_ChecksumType checksum_t;
gchar *path;
GError *tmp_err = NULL;
assert(md);
assert(!err || *err == NULL);
if (!(md->location_real) || !strlen(md->location_real)) {
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_BADARG,
"Empty locations in repomd record object.");
return CRE_BADARG;
}
path = md->location_real;
checksum_str = cr_checksum_name_str(checksum_type);
checksum_t = checksum_type;
if (!g_file_test(path, G_FILE_TEST_IS_REGULAR)) {
// File doesn't exists
g_warning("%s: File %s doesn't exists", __func__, path);
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_NOFILE,
"File %s doesn't exists or not a regular file", path);
return CRE_NOFILE;
}
// Compute checksum of compressed file
if (!md->checksum_type || !md->checksum) {
gchar *chksum;
chksum = cr_checksum_file(path, checksum_t, &tmp_err);
if (tmp_err) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err,
"Error while checksum calculation of %s:", path);
return code;
}
md->checksum_type = g_string_chunk_insert(md->chunk, checksum_str);
md->checksum = g_string_chunk_insert(md->chunk, chksum);
g_free(chksum);
}
// Compute checksum of non compressed content and its size
if (!md->checksum_open_type || !md->checksum_open || !md->size_open) {
cr_CompressionType com_type = cr_detect_compression(path, &tmp_err);
if (tmp_err) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err,
"Cannot detect compression type of %s: ", path);
return code;
}
if (com_type != CR_CW_UNKNOWN_COMPRESSION &&
com_type != CR_CW_NO_COMPRESSION)
{
// File compressed by supported algorithm
contentStat *open_stat = NULL;
open_stat = cr_get_compressed_content_stat(path, checksum_t, &tmp_err);
if (tmp_err) {
int code = tmp_err->code;
g_propagate_prefixed_error(err, tmp_err,
"Error while computing stat of compressed content of %s:",
path);
return code;
}
md->checksum_open_type = g_string_chunk_insert(md->chunk, checksum_str);
md->checksum_open = g_string_chunk_insert(md->chunk, open_stat->checksum);
if (!md->size_open)
md->size_open = open_stat->size;
g_free(open_stat->checksum);
g_free(open_stat);
} else {
if (com_type != CR_CW_NO_COMPRESSION) {
// Unknown compression
g_warning("%s: File \"%s\" compressed by an unsupported type"
" of compression", __func__, path);
}
md->checksum_open_type = NULL;
md->checksum_open = NULL;
md->size_open = -1;
}
}
// Get timestamp and size of compressed file
if (!md->timestamp || !md->size) {
struct stat buf;
if (!stat(path, &buf)) {
if (!md->timestamp) {
md->timestamp = buf.st_mtime;
}
if (!md->size) {
md->size = buf.st_size;
}
} else {
g_warning("%s: Stat on file \"%s\" failed", __func__, path);
g_set_error(err, CR_REPOMD_RECORD_ERROR, CRE_STAT,
"Stat() on %s failed: %s", path, strerror(errno));
return CRE_STAT;
}
}
// Set db version
if (!md->db_ver)
md->db_ver = DEFAULT_DATABASE_VERSION;
return CRE_OK;
}
