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-rw-r--r--extras/fstab_import/79-fstab_import.rules2
-rw-r--r--extras/fstab_import/Makefile72
-rw-r--r--extras/fstab_import/fstab_import.c213
3 files changed, 287 insertions, 0 deletions
diff --git a/extras/fstab_import/79-fstab_import.rules b/extras/fstab_import/79-fstab_import.rules
new file mode 100644
index 0000000000..ccd718c5f0
--- /dev/null
+++ b/extras/fstab_import/79-fstab_import.rules
@@ -0,0 +1,2 @@
+ACTION=="add", SUBSYSTEM=="block", ENV{ID_FS_USAGE}=="filesystem|other", IMPORT="fstab_import --root=$root $name $links mapper/$env{DM_NAME}"
+
diff --git a/extras/fstab_import/Makefile b/extras/fstab_import/Makefile
new file mode 100644
index 0000000000..23448f3217
--- /dev/null
+++ b/extras/fstab_import/Makefile
@@ -0,0 +1,72 @@
+# Makefile for udev extra invoked from the udev main Makefile
+#
+# Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+#
+# Released under the GNU General Public License, version 2.
+#
+
+PROG = fstab_import
+OBJ =
+HEADERS =
+GEN_HEADERS =
+MAN_PAGES =
+
+prefix =
+etcdir = ${prefix}/etc
+sbindir = ${prefix}/sbin
+usrbindir = ${prefix}/usr/bin
+usrsbindir = ${prefix}/usr/sbin
+libudevdir = ${prefix}/lib/udev
+mandir = ${prefix}/usr/share/man
+configdir = ${etcdir}/udev/
+
+INSTALL = install -c
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_DATA = ${INSTALL} -m 644
+INSTALL_SCRIPT = ${INSTALL}
+
+all: $(PROG) $(MAN_PAGES)
+.PHONY: all
+.DEFAULT: all
+
+%.o: %.c $(GEN_HEADERS)
+ $(E) " CC " $@
+ $(Q) $(CC) -c $(CFLAGS) $< -o $@
+
+$(PROG): %: $(HEADERS) %.o $(OBJS)
+ $(E) " LD " $@
+ $(Q) $(LD) $(LDFLAGS) $@.o $(OBJS) -o $@ $(LIBUDEV) $(LIB_OBJS)
+
+# man pages
+%.8: %.xml
+ $(E) " XMLTO " $@
+ $(Q) xmlto man $?
+.PRECIOUS: %.8
+
+clean:
+ $(E) " CLEAN "
+ $(Q) rm -f $(PROG) $(OBJS) $(GEN_HEADERS)
+.PHONY: clean
+
+install-bin: all
+ $(INSTALL_PROGRAM) -D $(PROG) $(DESTDIR)$(libudevdir)/$(PROG)
+ $(INSTALL_DATA) 79-fstab_import.rules $(DESTDIR)$(configdir)/rules.d/79-fstab_import.rules
+.PHONY: install-bin
+
+uninstall-bin:
+ - rm $(DESTDIR)$(libudevdir)/$(PROG)
+ - rm $(DESTDIR)$(configdir)/rules.d/79-fstab_import.rules
+.PHONY: uninstall-bin
+
+install-man:
+ @echo "Please create a man page for this tool."
+.PHONY: install-man
+
+uninstall-man:
+ @echo "Please create a man page for this tool."
+.PHONY: uninstall-man
+
+install-config:
+ @echo "no config file to install"
+.PHONY: install-config
+
diff --git a/extras/fstab_import/fstab_import.c b/extras/fstab_import/fstab_import.c
new file mode 100644
index 0000000000..a8de067b38
--- /dev/null
+++ b/extras/fstab_import/fstab_import.c
@@ -0,0 +1,213 @@
+/*
+ * find matching entry in fstab and export it
+ *
+ * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * 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, either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <mntent.h>
+#include <sys/stat.h>
+
+#include "../../udev.h"
+
+static int debug;
+static char root[PATH_SIZE] = "/dev";
+static char **devices;
+
+#ifdef USE_LOG
+void log_message(int priority, const char *format, ...)
+{
+ va_list args;
+ static int udev_log = -1;
+
+ if (udev_log == -1) {
+ const char *value;
+
+ value = getenv("UDEV_LOG");
+ if (value)
+ udev_log = log_priority(value);
+ else
+ udev_log = LOG_ERR;
+
+ if (debug && udev_log < LOG_INFO)
+ udev_log = LOG_INFO;
+ }
+
+ if (priority > udev_log)
+ return;
+
+ va_start(args, format);
+ if (debug) {
+ fprintf(stderr, "[%d] ", (int) getpid());
+ vfprintf(stderr, format, args);
+ } else
+ vsyslog(priority, format, args);
+ va_end(args);
+}
+#endif
+
+static int matches_device_list(const char *name)
+{
+ int i;
+
+ for (i = 0; devices[i] != NULL; i++) {
+ info("compare '%s' == '%s'\n", name, devices[i]);
+ if (strcmp(devices[i], name) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+static void print_fstab_entry(struct mntent *mnt)
+{
+ printf("FSTAB_NAME=%s\n", mnt->mnt_fsname);
+ printf("FSTAB_DIR=%s\n", mnt->mnt_dir);
+ printf("FSTAB_TYPE=%s\n", mnt->mnt_type);
+ printf("FSTAB_OPTS=%s\n", mnt->mnt_opts);
+ printf("FSTAB_FREQ=%d\n", mnt->mnt_freq);
+ printf("FSTAB_PASSNO=%d\n", mnt->mnt_passno);
+}
+
+int main(int argc, char *argv[])
+{
+ static const struct option options[] = {
+ { "export", 0, NULL, 'x' },
+ { "root", 1, NULL, 'r' },
+ { "debug", 0, NULL, 'd' },
+ { "help", 0, NULL, 'h' },
+ {}
+ };
+
+ FILE *fp;
+ struct mntent *mnt;
+ int rc = 0;
+
+ logging_init("fstab_id");
+
+ while (1) {
+ int option;
+
+ option = getopt_long(argc, argv, "dr:xh", options, NULL);
+ if (option == -1)
+ break;
+
+ switch (option) {
+ case 'r':
+ strlcpy(root, optarg, sizeof(root));
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ case 'h':
+ printf("Usage: fstab_id [OPTIONS] name [...]\n"
+ " --export print environment keys\n"
+ " --root device node root (default /dev)\n"
+ " --debug debug to stderr\n"
+ " --help print this help text\n\n");
+ default:
+ rc = 1;
+ goto exit;
+ }
+ }
+
+ devices = &argv[optind];
+ if (devices[0] == NULL) {
+ fprintf(stderr, "error: missing device(s) to match\n");
+ rc = 2;
+ goto exit;
+ }
+
+ fp = setmntent ("/etc/fstab", "r");
+ if (fp == NULL) {
+ fprintf(stderr, "error: opening fstab: %s\n", strerror(errno));
+ rc = 2;
+ goto exit;
+ }
+
+ while (1) {
+ mnt = getmntent(fp);
+ if (mnt == NULL)
+ break;
+
+ /* skip root device */
+ if (strcmp(mnt->mnt_dir, "/") == 0)
+ continue;
+
+ /* match LABEL */
+ if (strncmp(mnt->mnt_fsname, "LABEL=", 6) == 0) {
+ const char *label;
+ char str[256];
+
+ label = &mnt->mnt_fsname[6];
+ if (label[0] == '"' || label[0] == '\'') {
+ char *pos;
+
+ strlcpy(str, &label[1], sizeof(str));
+ pos = strrchr(str, label[0]);
+ if (pos == NULL)
+ continue;
+ pos[0] = '\0';
+ label = str;
+ }
+ if (matches_device_list(str)) {
+ print_fstab_entry(mnt);
+ break;
+ }
+ continue;
+ }
+
+ /* match UUID */
+ if (strncmp(mnt->mnt_fsname, "UUID=", 5) == 0) {
+ const char *uuid;
+ char str[256];
+
+ uuid = &mnt->mnt_fsname[5];
+ if (uuid[0] == '"' || uuid[0] == '\'') {
+ char *pos;
+
+ strlcpy(str, &uuid[1], sizeof(str));
+ pos = strrchr(str, uuid[0]);
+ if (pos == NULL)
+ continue;
+ pos[0] = '\0';
+ uuid = str;
+ }
+ if (matches_device_list(str)) {
+ print_fstab_entry(mnt);
+ break;
+ }
+ continue;
+ }
+
+ /* only devices */
+ if (strncmp(mnt->mnt_fsname, root, strlen(root)) != 0)
+ continue;
+
+ if (matches_device_list(&mnt->mnt_fsname[strlen(root)+1])) {
+ print_fstab_entry(mnt);
+ break;
+ }
+ }
+
+ endmntent(fp);
+
+exit:
+ logging_close();
+ return rc;
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-10 11:50:43 +0000