Git-Url:
http://git.frugalware.org/gitweb/gitweb.cgi?p=frugalwareutils.git;a=commitdiff;h=cd0c0a44cf6d438d1525c21d2fe1c0de8e6288d5
commit cd0c0a44cf6d438d1525c21d2fe1c0de8e6288d5
Author: Miklos Vajna <[EMAIL PROTECTED]>
Date: Sun Sep 28 21:58:13 2008 +0200
libfwyabootcfg: import
diff --git a/libfwyabootcfg/Makefile b/libfwyabootcfg/Makefile
new file mode 100644
index 0000000..b95eb7b
--- /dev/null
+++ b/libfwyabootcfg/Makefile
@@ -0,0 +1,33 @@
+# Makefile for frugalwareutils
+#
+# Copyright (C) 2008 Miklos Vajna <[EMAIL PROTECTED]>
+#
+# 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
+#
+
+-include ../config.mak
+CFLAGS = $(LIB_CFLAGS)
+CFLAGS += $(shell pkg-config --cflags glib-2.0)
+LDFLAGS += $(shell pkg-config --libs glib-2.0)
+
+LDFLAGS += -lparted
+
+# fwutil
+CFLAGS += -I../libfwutil
+LDFLAGS += -L../libfwutil -lfwutil
+
+LIBNAME = yabootcfg
+
+-include ../Makefile.inc
+-include ../Makefile.lib.inc
diff --git a/libfwyabootcfg/libfwyabootcfg.c b/libfwyabootcfg/libfwyabootcfg.c
new file mode 100644
index 0000000..5a51771
--- /dev/null
+++ b/libfwyabootcfg/libfwyabootcfg.c
@@ -0,0 +1,262 @@
+/*
+ * libfwyabootcfg.c for frugalwareutils
+ *
+ * Copyright (c) 2008 by Miklos Vajna <[EMAIL PROTECTED]>
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/utsname.h>
+#include <libfwutil.h>
+#include <glib.h>
+#include <parted/parted.h>
+
+#include "libfwyabootcfg.h"
+
+#define FWYABOOT_LOGDEV "/dev/tty4"
+
+static char *gen_title()
+{
+ struct utsname name;
+ FILE *fp;
+ char line[PATH_MAX];
+
+ fp = fopen("/etc/frugalware-release", "r");
+ if(!fp)
+ return(NULL);
+ if(!fgets(line, PATH_MAX, fp))
+ return(NULL);
+ line[strlen(line)-1]='\0';
+ uname(&name);
+ return(g_strdup_printf("%s - %s", line, name.release));
+}
+
+static PedExceptionOption peh(PedException* ex)
+{
+ return(PED_EXCEPTION_IGNORE);
+}
+
+static char *find_boot_part(PedDisk *disk)
+{
+ PedPartition *part = NULL;
+
+ if (!ped_disk_next_partition(disk, NULL))
+ return NULL;
+ for(part = ped_disk_next_partition(disk, NULL); part; part =
part->next) {
+ // - in path? avoid ped_partition_get_flag(), would segfault..
+ if (!strchr(ped_partition_get_path(part), '-') &&
ped_partition_get_flag(part, PED_PARTITION_BOOT))
+ return ped_partition_get_path(part);
+ }
+ return NULL;
+}
+
+static char *find_boot()
+{
+ PedDevice *dev=NULL;
+ PedDisk *disk = NULL;
+ char *ptr;
+
+ ped_exception_set_handler(peh);
+ ped_device_probe_all();
+
+ if (!ped_device_get_next(NULL))
+ return NULL;
+ for (dev = ped_device_get_next(NULL); dev; dev = dev->next) {
+ if (dev->read_only)
+ continue;
+ disk = ped_disk_new(dev);
+ ptr = find_boot_part(disk);
+ if (ptr)
+ return ptr;
+ }
+ return NULL;
+}
+
+// 0: device, 1: partition
+static char *of_path(char *dev, int mode)
+{
+ FILE *pp;
+ char *cmdline, *ptr, *ret;
+ char path[PATH_MAX];
+
+ cmdline = g_strdup_printf("/usr/sbin/ofpath %s", dev);
+ pp = popen(cmdline, "r");
+ if (!pp)
+ return NULL;
+ fgets(path, PATH_MAX, pp);
+ fclose(pp);
+ FWUTIL_FREE(cmdline);
+ ptr = strrchr(path, ':');
+ ret = path;
+ if (!mode) {
+ if (++ptr)
+ *ptr = '\0';
+ } else {
+ ret = ++ptr;
+ if (ret[strlen(ret)-1] == '\n')
+ ret[strlen(ret)-1] = '\0';
+ }
+ return g_strdup(ret);
+}
+
+/* find_dev_recursive() and find_dev() is based on Linus's original rdev */
+static int find_dev_recursive(char *dirnamebuf, int number)
+{
+ DIR *dp;
+ struct dirent *dir;
+ struct stat s;
+ int dirnamelen = 0;
+
+ if ((dp = opendir(dirnamebuf)) == NULL)
+ return(0);
+ dirnamelen = strlen(dirnamebuf);
+ while ((dir = readdir(dp)) != NULL)
+ {
+ if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
+ continue;
+ if (dirnamelen + 1 + strlen(dir->d_name) > PATH_MAX)
+ continue;
+ dirnamebuf[dirnamelen] = '/';
+ strcpy(dirnamebuf+dirnamelen+1, dir->d_name);
+ if (lstat(dirnamebuf, &s) < 0)
+ continue;
+ if ((s.st_mode & S_IFMT) == S_IFBLK && s.st_rdev == number)
+ return(1);
+ if ((s.st_mode & S_IFMT) == S_IFDIR &&
+ find_dev_recursive(dirnamebuf, number))
+ return(1);
+ }
+ dirnamebuf[dirnamelen] = 0;
+ closedir(dp);
+ return(0);
+}
+
+static char *find_dev(int n)
+{
+ char path[PATH_MAX+1];
+ if (!n)
+ return(NULL);
+ strcpy(path, "/dev");
+ if(find_dev_recursive(path, n))
+ return(strdup(path));
+ return(NULL);
+}
+
+static char *find_root()
+{
+ struct stat buf;
+
+ if(!stat("/",&buf))
+ return(find_dev(buf.st_dev));
+ return(NULL);
+}
+
+static void os_prober(FILE *fp)
+{
+ struct stat buf;
+ FILE *pp;
+ char line[PATH_MAX], *ptr;
+
+ if(stat("/usr/bin/os-prober", &buf))
+ return;
+
+ pp = popen("os-prober 2>/dev/null", "r");
+ if (!pp)
+ return;
+
+ while(fgets(line, PATH_MAX, pp)) {
+ ptr = strrchr(line, ':');
+ if (!++ptr)
+ continue;
+ if (!strncmp(ptr, "macosx", 6)) {
+ ptr = strchr(line, ':');
+ if (ptr)
+ *ptr = '\0';
+ fprintf(fp, "macosx=%s\n\n", line);
+ } else if (!strncmp(ptr, "linux", 5)) {
+ char *label, *root;
+
+ ptr = strchr(line, ':');
+ if (ptr)
+ *ptr = '\0';
+ root = line;
+ ptr = strchr(++ptr, ':');
+ if (!ptr)
+ continue;
+ label = g_strdup_printf("linux-%s", ++ptr);
+ ptr = strchr(label, ':');
+ if (ptr)
+ *ptr = '\0';
+ fprintf(fp, "image=/boot/vmlinux\n"
+ "\tlabel=%s\n"
+ "\troot=%s\n"
+ "\tread-only\n\n", label, root);
+ FWUTIL_FREE(label);
+ }
+ }
+ pclose(pp);
+}
+
+void fwyaboot_create_menu(FILE *fp, int flags)
+{
+ char *root = find_root();
+
+ fprintf(fp, "#\n"
+ "# /etc/yaboot.conf - configuration file for Yaboot\n"
+ "# This file is generated automatically by yabootcfg\n"
+ "#\n\n");
+ fprintf(fp, "init-message=\"%s\"\n", gen_title());
+ fprintf(fp, "boot=%s\n", find_boot());
+ fprintf(fp, "device=%s\n", of_path(root, 0));
+ fprintf(fp, "partition=%s\n", of_path(root, 1));
+ fprintf(fp, "delay=10\n"
+ "timeout=40\n"
+ "install=/usr/lib/yaboot/yaboot\n"
+ "magicboot=/usr/lib/yaboot/ofboot\n\n");
+
+ if (flags & FWYABOOT_CDBOOT)
+ fprintf(fp, "enablecdboot\n");
+ if (flags & FWYABOOT_OFBOOT)
+ fprintf(fp, "enableofboot\n");
+ if (flags & FWYABOOT_NETBOOT)
+ fprintf(fp, "enablenetboot\n");
+ fprintf(fp, "\n");
+
+ fprintf(fp, "image=/boot/vmlinux\n"
+ "\tlabel=linux\n"
+ "\troot=%s\n"
+ "\tread-only\n\n", root);
+ os_prober(fp);
+}
+
+int fwyaboot_install()
+{
+ return system("/usr/sbin/ybin -v &> " FWYABOOT_LOGDEV);
+}
+
+#if 0
+int main()
+{
+ fwyaboot_create_menu(stdout, FWYABOOT_CDBOOT | FWYABOOT_OFBOOT |
FWYABOOT_NETBOOT);
+ //printf("%d\n", fwyaboot_install());
+ return 0;
+}
+#endif
diff --git a/libfwyabootcfg/libfwyabootcfg.h b/libfwyabootcfg/libfwyabootcfg.h
new file mode 100644
index 0000000..c2edb17
--- /dev/null
+++ b/libfwyabootcfg/libfwyabootcfg.h
@@ -0,0 +1,27 @@
+/*
+ * libfwyabootcfg.h for frugalwareutils
+ *
+ * Copyright (c) 2008 by Miklos Vajna <[EMAIL PROTECTED]>
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#define FWYABOOT_CDBOOT 0x01
+#define FWYABOOT_OFBOOT 0x02
+#define FWYABOOT_NETBOOT 0x04
+
+void fwyaboot_create_menu(FILE *fp, int flags);
+int fwyaboot_install();
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