[Frugalware-darcs] setup: new plugin: loadsource

[VMiklos]

[new plugin: loadsource
VMiklos <vmiklos at frugalware.org>**20051104235459] {
hunk ./src/Makefile 6
-CFLAGS += $(FINAL)
+CFLAGS += $(FINAL) -DARCH=$(shell arch)
hunk ./src/plugins/Makefile 6
-CFLAGS += $(FINAL)
+CFLAGS += $(FINAL) -DARCH=$(shell arch)
hunk ./src/plugins/Makefile 11
-PLUGINS=asklang dolangsh greet layout hotplug
+PLUGINS=asklang dolangsh greet layout hotplug loadsource
hunk ./src/plugins/Makefile 34
+
+loadsource: loadsource.o ../util.o
+	$(CC) $(CFLAGS) -shared -Wl,-soname,loadsource.so -o 25loadsource.so \
+		loadsource.o ../util.o $(LDFLAGS)
addfile ./src/plugins/loadsource.c
hunk ./src/plugins/loadsource.c 1
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <dialog.h>
+
+#include <setup.h>
+#include <util.h>
+#include "common.h"
+
+plugin_t plugin =
+{
+	"loadsource",
+	run,
+	NULL // dlopen handle
+};
+
+plugin_t *info()
+{
+	return &plugin;
+}
+
+int umount_if_needed(char *sourcedir)
+{
+	FILE *fp;
+	char line[PATH_MAX];
+	char *dev=NULL;
+	int i;
+	
+	if ((fp = fopen("/proc/mounts", "r")) == NULL)
+	{
+		perror(_("Could not open output file for writing"));
+		return(1);
+	}
+	while(!feof(fp))
+	{
+		if(fgets(line, 256, fp) == NULL)
+			break;
+		if(strstr(line, sourcedir))
+		{
+			for(i=0;i<strlen(line);i++)
+				if(line[i]==' ')
+					line[i]='\0';
+			dev = strdup(line);
+		}
+	}
+	fclose(fp);
+	if(dev != NULL)
+		system(g_strdup_printf("umount %s >%s 2>%s", dev, LOGDEV, LOGDEV));
+	return(0);
+}
+
+GList *extract_drives(char *line)
+{
+	char *p, *s;
+	GList *drives=NULL;
+
+	for (p=line+12;p!='\0';p=strstr(p+1, "\t"))
+	{
+		s = strdup(p+1);
+		drives = g_list_append(drives, s);
+		while(!isspace(*s))
+			s++;
+		*s='\0';
+	}
+	return(drives);
+}
+
+GList *grep_drives(char *file)
+{
+	FILE *fp;
+	char line[PATH_MAX];
+
+	if ((fp = fopen(file, "r")) == NULL)
+	{
+		perror(_("Could not open output file for writing"));
+		return(NULL);
+	}
+	while(!feof(fp))
+	{
+		if(fgets(line, 256, fp) == NULL)
+			break;
+		if(line == strstr(line, "drive name:"))
+		{
+			return(extract_drives(line));
+		}
+	}
+	fclose(fp);
+	return(NULL);
+}
+
+
+int run(GList **config)
+{
+	GList *drives=NULL;
+	int i;
+
+	umount_if_needed(SOURCEDIR);
+
+	dialog_vars.backtitle=gen_backtitle(_("Selecting source media"));
+	dlg_put_backtitle();
+	dlg_clear();
+	dialog_msgbox(_("Scanning"), _("Scanning for a CD/DVD drive containing "
+		"a Frugalware install disc..."), 0, 0, 0);
+	
+	drives = grep_drives("/proc/sys/dev/cdrom/info");
+	for (i=0; i<g_list_length(drives); i++)
+	{
+		if (!system(g_strdup_printf("mount -o ro -t iso9660 /dev/%s %s >%s 2>%s", (char*)g_list_nth_data(drives, i), SOURCEDIR, LOGDEV, LOGDEV)))
+		{
+			data_put(config, "srcdev", (char*)g_list_nth_data(drives, i));
+			// TODO: is this a netinstall cd?
+			dlg_put_backtitle();
+			dialog_msgbox(_("CD/DVD drive found"), g_strdup_printf(_("A Frugalware install disc was found in device /dev/%s."), (char*)g_list_nth_data(drives, i)), 0, 0, 0);
+			sleep(3);
+			break;
+		}
+		if(data_get(*config, "srcdev")==NULL)
+		{
+			dialog_msgbox(_("CD/DVD drive not found"), _("Sorry, no Frugalware install disc was found in your drives. Press ENTER to reboot."), 0, 0, 1);
+			exit_perform();
+		}
+	}
+
+	return(0);
+}
hunk ./src/setup.h 10
+#define SOURCEDIR "/mnt/source"
}