--- /dev/null
+// $Id: matchlist-initmanually.c,v 1.5 2005/03/22 14:59:46 ensc Exp $ --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//
+// 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; version 2 of the License.
+//
+// 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include "pathconfig.h"
+
+#include "matchlist.h"
+#include "util-io.h"
+
+#include <wait.h>
+#include <errno.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
+#define ENSC_WRAPPERS_UNISTD 1
+#define ENSC_WRAPPERS_STDLIB 1
+#define ENSC_WRAPPERS_IO 1
+#include <wrappers.h>
+
+
+extern int Global_getVerbosity() PURE CONST;
+extern bool Global_doRenew() PURE CONST;
+
+static void
+readExcludeListFD(int fd,
+ char ***files, size_t *size,
+ char **buf)
+{
+ off_t len;
+ size_t lines = 0;
+ char *ptr;
+
+ if (fd==-1) return; // todo: message on verbose?
+
+ len = Elseek(fd, 0, SEEK_END);
+ Elseek(fd, 0, SEEK_SET);
+
+ *buf = Emalloc(sizeof(*buf) * (len+1));
+ EreadAll(fd, *buf, len);
+ (*buf)[len] = '\0';
+
+ ptr = *buf;
+ while ((ptr=strchr(ptr, '\n'))) {
+ ++lines;
+ ++ptr;
+ }
+
+ ++lines;
+ *files = Emalloc(sizeof(**files) * lines);
+
+ *size = 0;
+ ptr = *buf;
+ while (*ptr) {
+ char *end_ptr = strchr(ptr, '\n');
+
+ assert(*size<lines);
+ if (end_ptr==0) break;
+
+ if (*ptr!='#') {
+ char *tmp = end_ptr;
+ do {
+ *tmp-- = '\0';
+ } while (tmp>ptr && *tmp==' ');
+
+ if (tmp>ptr) (*files)[(*size)++] = ptr;
+ }
+
+ ptr = end_ptr+1;
+ }
+}
+
+static void
+readExcludeList(char const *filename,
+ char ***files, size_t *size,
+ char **buf)
+{
+ int fd = open(filename, O_RDONLY);
+ if (fd==-1) return; // todo: message on verbose?
+
+ readExcludeListFD(fd, files, size, buf);
+ Eclose(fd);
+}
+
+static void
+getConfigfileList(char const *vserver,
+ char ***files, size_t *size,
+ char **buf)
+{
+ char tmpname[] = "/tmp/vunify.XXXXXX";
+ pid_t pid;
+ int fd = Emkstemp(tmpname);
+
+ Eunlink(tmpname);
+ pid = Efork();
+
+ if (pid==0) {
+ char *args[10];
+ char const **ptr = (char const **)(args)+0;
+
+ Edup2(fd, 1);
+ //Eclose(0);
+ if (fd!=1) Eclose(fd);
+
+ *ptr++ = VPKG_PROG;
+ *ptr++ = vserver;
+ *ptr++ = "get-conffiles";
+ *ptr = 0;
+
+ Eexecv(args[0], args);
+ }
+ else {
+ int status;
+
+ if (TEMP_FAILURE_RETRY(wait4(pid, &status, 0,0))==-1) {
+ perror("wait4()");
+ exit(1);
+ }
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status)!=0) {
+ WRITE_MSG(2, "failed to determine configfiles\n");
+ exit(1);
+ }
+
+ readExcludeListFD(fd, files, size, buf);
+ Eclose(fd);
+ }
+}
+
+void
+MatchList_initManually(struct MatchList *list,
+ struct MatchVserverInfo const *vserver,
+ char const *vdir, char const *exclude_file)
+{
+ char *buf[2] = { 0,0 };
+
+ char **fixed_files = 0;
+ size_t fixed_count = 0;
+
+ char **expr_files = 0;
+ size_t expr_count = 0;
+ size_t len;
+
+ assert((vdir==0 && vserver!=0) || (vdir!=0 && vserver==0));
+
+ if (vserver) {
+ vdir = vserver->vdir.d;
+ len = vserver->vdir.l;
+ }
+ else
+ len = strlen(vdir);
+
+ if (Global_getVerbosity()>=1) {
+ WRITE_MSG(1, "Initializing exclude-list for ");
+ Vwrite(1, vdir, len);
+ if (vserver!=0) {
+ WRITE_MSG(1, " (");
+ WRITE_STR(1, vserver->name);
+ WRITE_MSG(1, ")");
+ }
+ WRITE_MSG(1, "\n");
+ }
+ if (vserver && vserver->use_pkgmgmt && Global_doRenew()) {
+ if (Global_getVerbosity()>=2)
+ WRITE_MSG(1, " Fetching configuration-file list from packagemanagement\n");
+ getConfigfileList(vserver->name, &fixed_files, &fixed_count, buf+0);
+ }
+
+ // abuse special values (NULL, empty string) to skip the next step
+ if (exclude_file && *exclude_file) {
+ if (Global_getVerbosity()>=6) WRITE_MSG(1, " Reading exclude file\n");
+ readExcludeList(exclude_file,
+ &expr_files, &expr_count,
+ buf+1);
+ }
+
+ MatchList_init(list, strdup(vdir), fixed_count + expr_count);
+ list->buf = Emalloc(sizeof(void *) * 3);
+ list->buf[0] = buf[0];
+ list->buf[1] = buf[1];
+ list->buf[2] = list->root.d;
+ list->buf_count = 3;
+
+ MatchList_appendFiles(list, 0, fixed_files, fixed_count, false);
+ MatchList_appendFiles(list, fixed_count, expr_files, expr_count, true);
+
+ free(expr_files);
+ free(fixed_files);
+}
git://git.onelab.eu / util-vserver.git / blobdiff