/*
* extract from the archive
* and copy to the filesystem
* relative to the directory the archive's in
*/
int extract2fs(ARCHIVE_STATUS *status, TOC *ptoc)
{
FILE *out;
unsigned char *data = extract(status, ptoc);
if (pyi_create_temp_path(status) == -1){
return -1;
}
out = pyi_open_target(status->temppath, ptoc->name);
if (out == NULL) {
FATALERROR("%s could not be extracted!\n", ptoc->name);
return -1;
}
else {
fwrite(data, ntohl(ptoc->ulen), 1, out);
#ifndef WIN32
fchmod(fileno(out), S_IRUSR | S_IWUSR | S_IXUSR);
#endif
fclose(out);
}
free(data);
return 0;
}
/*
* Look for the archive identified by path into the ARCHIVE_STATUS pool archive_pool.
* If the archive is found, a pointer to the associated ARCHIVE_STATUS is returned
* otherwise the needed archive is opened and added to the pool and then returned.
* If an error occurs, returns NULL.
*
* Having several archives is useful for sharing binary dependencies with several
* executables (multipackage feature).
*/
static ARCHIVE_STATUS *
_get_archive(ARCHIVE_STATUS *archive_pool[], const char *path)
{
ARCHIVE_STATUS *archive = NULL;
int index = 0;
int SELF = 0;
VS("LOADER: Getting file from archive.\n");
if (pyi_create_temp_path(archive_pool[SELF]) == -1) {
return NULL;
}
for (index = 1; archive_pool[index] != NULL; index++) {
if (strcmp(archive_pool[index]->archivename, path) == 0) {
VS("LOADER: Archive found: %s\n", path);
return archive_pool[index];
}
VS("LOADER: Checking next archive in the list...\n");
}
archive = (ARCHIVE_STATUS *) malloc(sizeof(ARCHIVE_STATUS));
if (archive == NULL) {
FATAL_PERROR("malloc", "Error allocating memory for status\n");
return NULL;
}
strncpy(archive->archivename, path, PATH_MAX);
strncpy(archive->homepath, archive_pool[SELF]->homepath, PATH_MAX);
strncpy(archive->temppath, archive_pool[SELF]->temppath, PATH_MAX);
if (archive->archivename[PATH_MAX-1] != '\0'
|| archive->homepath[PATH_MAX-1] != '\0'
|| archive->temppath[PATH_MAX-1] != '\0') {
FATALERROR("Archive path exceeds PATH_MAX\n");
free(archive);
return NULL;
}
/*
* Setting this flag prevents creating another temp directory and
* the directory from the main archive status is used.
*/
archive->has_temp_directory = archive_pool[SELF]->has_temp_directory;
if (pyi_arch_open(archive)) {
FATAL_PERROR("malloc", "Error opening archive %s\n", path);
free(archive);
return NULL;
}
archive_pool[index] = archive;
return archive;
}
/* Copy the dependencies file from a directory to the tempdir */
static int copyDependencyFromDir(ARCHIVE_STATUS *status, const char *srcpath, const char *filename)
{
if (pyi_create_temp_path(status) == -1){
return -1;
}
VS("LOADER: Coping file %s to %s\n", srcpath, status->temppath);
if (pyi_copy_file(srcpath, status->temppath, filename) == -1) {
return -1;
}
return 0;
}
/* Look for the archive identified by path into the ARCHIVE_STATUS pool status_list.
* If the archive is found, a pointer to the associated ARCHIVE_STATUS is returned
* otherwise the needed archive is opened and added to the pool and then returned.
* If an error occurs, returns NULL.
*/
static ARCHIVE_STATUS *get_archive(ARCHIVE_STATUS *status_list[], const char *path)
{
ARCHIVE_STATUS *status = NULL;
int i = 0;
VS("Getting file from archive.\n");
if (pyi_create_temp_path(status_list[SELF]) == -1){
return NULL;
}
for (i = 1; status_list[i] != NULL; i++){
if (strcmp(status_list[i]->archivename, path) == 0) {
VS("Archive found: %s\n", path);
return status_list[i];
}
VS("Checking next archive in the list...\n");
}
if ((status = (ARCHIVE_STATUS *) calloc(1, sizeof(ARCHIVE_STATUS))) == NULL) {
FATALERROR("Error allocating memory for status\n");
return NULL;
}
strcpy(status->archivename, path);
strcpy(status->homepath, status_list[SELF]->homepath);
strcpy(status->temppath, status_list[SELF]->temppath);
#ifdef WIN32
strcpy(status->homepathraw, status_list[SELF]->homepathraw);
strcpy(status->temppathraw, status_list[SELF]->temppathraw);
#endif
if (openArchive(status)) {
FATALERROR("Error openning archive %s\n", path);
free(status);
return NULL;
}
status_list[i] = status;
return status;
}
