int _alpm_runscriptlet(alpm_handle_t *handle, const char *filepath,
const char *script, const char *ver, const char *oldver, int is_archive)
{
char arg0[64], arg1[3], cmdline[PATH_MAX];
char *argv[] = { arg0, arg1, cmdline, NULL };
char *tmpdir, *scriptfn = NULL, *scriptpath;
int retval = 0;
size_t len;
if(_alpm_access(handle, NULL, filepath, R_OK) != 0) {
_alpm_log(handle, ALPM_LOG_DEBUG, "scriptlet '%s' not found\n", filepath);
return 0;
}
if(!is_archive && !grep(filepath, script)) {
/* script not found in scriptlet file; we can only short-circuit this early
* if it is an actual scriptlet file and not an archive. */
return 0;
}
strcpy(arg0, SCRIPTLET_SHELL);
strcpy(arg1, "-c");
/* create a directory in $root/tmp/ for copying/extracting the scriptlet */
len = strlen(handle->root) + strlen("tmp/alpm_XXXXXX") + 1;
MALLOC(tmpdir, len, RET_ERR(handle, ALPM_ERR_MEMORY, -1));
snprintf(tmpdir, len, "%stmp/", handle->root);
if(access(tmpdir, F_OK) != 0) {
_alpm_makepath_mode(tmpdir, 01777);
}
snprintf(tmpdir, len, "%stmp/alpm_XXXXXX", handle->root);
if(mkdtemp(tmpdir) == NULL) {
_alpm_log(handle, ALPM_LOG_ERROR, _("could not create temp directory\n"));
free(tmpdir);
return 1;
}
/* either extract or copy the scriptlet */
len += strlen("/.INSTALL");
MALLOC(scriptfn, len, free(tmpdir); RET_ERR(handle, ALPM_ERR_MEMORY, -1));
snprintf(scriptfn, len, "%s/.INSTALL", tmpdir);
if(is_archive) {
if(_alpm_unpack_single(handle, filepath, tmpdir, ".INSTALL")) {
retval = 1;
}
} else {
if(_alpm_copyfile(filepath, scriptfn)) {
_alpm_log(handle, ALPM_LOG_ERROR, _("could not copy tempfile to %s (%s)\n"), scriptfn, strerror(errno));
retval = 1;
}
}
if(retval == 1) {
goto cleanup;
}
if(is_archive && !grep(scriptfn, script)) {
/* script not found in extracted scriptlet file */
goto cleanup;
}
/* chop off the root so we can find the tmpdir in the chroot */
scriptpath = scriptfn + strlen(handle->root) - 1;
if(oldver) {
snprintf(cmdline, PATH_MAX, ". %s; %s %s %s",
scriptpath, script, ver, oldver);
} else {
snprintf(cmdline, PATH_MAX, ". %s; %s %s",
scriptpath, script, ver);
}
_alpm_log(handle, ALPM_LOG_DEBUG, "executing \"%s\"\n", cmdline);
retval = _alpm_run_chroot(handle, SCRIPTLET_SHELL, argv, NULL, NULL);
cleanup:
if(scriptfn && unlink(scriptfn)) {
_alpm_log(handle, ALPM_LOG_WARNING,
_("could not remove %s\n"), scriptfn);
}
if(rmdir(tmpdir)) {
_alpm_log(handle, ALPM_LOG_WARNING,
_("could not remove tmpdir %s\n"), tmpdir);
}
free(scriptfn);
free(tmpdir);
return retval;
}
int _alpm_runscriptlet(alpm_handle_t *handle, const char *installfn,
const char *script, const char *ver, const char *oldver)
{
char scriptfn[PATH_MAX];
char cmdline[PATH_MAX];
char tmpdir[PATH_MAX];
char *argv[] = { "sh", "-c", cmdline, NULL };
char *scriptpath;
int clean_tmpdir = 0;
int retval = 0;
if(access(installfn, R_OK)) {
/* not found */
_alpm_log(handle, ALPM_LOG_DEBUG, "scriptlet '%s' not found\n", installfn);
return 0;
}
/* creates a directory in $root/tmp/ for copying/extracting the scriptlet */
snprintf(tmpdir, PATH_MAX, "%stmp/", handle->root);
if(access(tmpdir, F_OK) != 0) {
_alpm_makepath_mode(tmpdir, 01777);
}
snprintf(tmpdir, PATH_MAX, "%stmp/alpm_XXXXXX", handle->root);
if(mkdtemp(tmpdir) == NULL) {
_alpm_log(handle, ALPM_LOG_ERROR, _("could not create temp directory\n"));
return 1;
} else {
clean_tmpdir = 1;
}
/* either extract or copy the scriptlet */
snprintf(scriptfn, PATH_MAX, "%s/.INSTALL", tmpdir);
if(strcmp(script, "pre_upgrade") == 0 || strcmp(script, "pre_install") == 0) {
if(_alpm_unpack_single(handle, installfn, tmpdir, ".INSTALL")) {
retval = 1;
}
} else {
if(_alpm_copyfile(installfn, scriptfn)) {
_alpm_log(handle, ALPM_LOG_ERROR, _("could not copy tempfile to %s (%s)\n"), scriptfn, strerror(errno));
retval = 1;
}
}
if(retval == 1) {
goto cleanup;
}
/* chop off the root so we can find the tmpdir in the chroot */
scriptpath = scriptfn + strlen(handle->root) - 1;
if(!grep(scriptfn, script)) {
/* script not found in scriptlet file */
goto cleanup;
}
if(oldver) {
snprintf(cmdline, PATH_MAX, ". %s; %s %s %s",
scriptpath, script, ver, oldver);
} else {
snprintf(cmdline, PATH_MAX, ". %s; %s %s",
scriptpath, script, ver);
}
_alpm_log(handle, ALPM_LOG_DEBUG, "executing \"%s\"\n", cmdline);
retval = _alpm_run_chroot(handle, "/bin/sh", argv);
cleanup:
if(clean_tmpdir && _alpm_rmrf(tmpdir)) {
_alpm_log(handle, ALPM_LOG_WARNING, _("could not remove tmpdir %s\n"), tmpdir);
}
return retval;
}
