/** Run ldconfig in a chroot. * @param handle the context handle * @return 0 on success, 1 on error */ int _alpm_ldconfig(alpm_handle_t *handle) { char line[PATH_MAX]; _alpm_log(handle, ALPM_LOG_DEBUG, "running ldconfig\n"); snprintf(line, PATH_MAX, "%setc/ld.so.conf", handle->root); if(access(line, F_OK) == 0) { snprintf(line, PATH_MAX, "%ssbin/ldconfig", handle->root); if(access(line, X_OK) == 0) { char arg0[32]; char *argv[] = { arg0, NULL }; strcpy(arg0, "ldconfig"); return _alpm_run_chroot(handle, "/sbin/ldconfig", argv); } } return 0; }
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; }