split directory specific functions and move them from disk.c to directory.c (will be used in NFS install)

1 files changed, 189 insertions, 0 deletions

diff --git a/mdk-stage1/directory.c b/mdk-stage1/directory.c
new file mode 100644
index 000000000..8650e0efc
--- /dev/null
+++ b/mdk-stage1/directory.c
@@ -0,0 +1,189 @@
+/*
+ * Guillaume Cottenceau (gc@mandrakesoft.com)
+ * Olivier Blin (oblin@mandrakesoft.com)
+ *
+ * Copyright 2000 MandrakeSoft
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * Portions from Erik Troan (ewt@redhat.com)
+ *
+ * Copyright 1996 Red Hat Software 
+ *
+ */
+
+#include <unistd.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <string.h>
+#include "stage1.h"
+#include "frontend.h"
+#include "log.h"
+#include "lomount.h"
+
+char * extract_list_directory(char * direct)
+{
+	char ** full = list_directory(direct);
+	char tmp[2000] = "";
+	int i;
+	for (i=0; i<5 ; i++) {
+		if (!full || !*full)
+			break;
+		strcat(tmp, *full);
+		strcat(tmp, "\n");
+		full++;
+	}
+	return strdup(tmp);
+}
+
+enum return_type try_with_directory(char *directory, char *method_live, char *method_iso) {
+	char location_full[500];
+        char * loopdev = NULL;
+	struct stat statbuf;
+	enum return_type results;
+
+	unlink(IMAGE_LOCATION);
+	strcpy(location_full, directory);
+
+#ifndef MANDRAKE_MOVE
+	if (!stat(directory, &statbuf) && S_ISDIR(statbuf.st_mode)) {
+		char **file;
+		char *stage2_isos[100] = { "Use directory as a mirror tree", "-----" };
+		int stage2_iso_number = 2;
+
+		log_message("\"%s\" exists and is a directory, looking for iso files", directory);
+
+		for (file = list_directory(directory); *file; file++) {
+			char isofile[500], install_location[600];
+
+			if (strstr(*file, ".iso") != *file + strlen(*file) - 4)
+				/* file doesn't end in .iso, skipping */
+				continue;
+			
+			strcpy(isofile, directory);
+			strcat(isofile, "/");
+			strcat(isofile, *file);
+
+			if (lomount(isofile, IMAGE_LOCATION, &loopdev, 0)) {
+				log_message("unable to mount iso file \"%s\", skipping", isofile);
+				continue;
+			}
+
+			strcpy(install_location, IMAGE_LOCATION);
+
+			if (IS_SPECIAL_STAGE2 || ramdisk_possible())
+				strcat(install_location, get_ramdisk_realname()); /* RAMDISK install */
+			else
+				strcat(install_location, LIVE_LOCATION); /* LIVE install */
+
+			if (access(install_location, R_OK)) {
+				log_message("ISO image \"%s\" doesn't contain stage2 installer", isofile);
+			} else {
+				log_message("stage2 installer found in ISO image \"%s\"", isofile);
+				stage2_isos[stage2_iso_number++] = strdup(*file);
+			}
+
+ 			umount(IMAGE_LOCATION);
+			del_loop(loopdev);
+		}
+
+		stage2_isos[stage2_iso_number] = NULL;
+
+		if (stage2_iso_number > 2) {
+			do {
+				results = ask_from_list("Please choose the ISO image to be used to install the "
+							DISTRIB_NAME " Distribution.",
+							stage2_isos, file);
+				if (results == RETURN_BACK) {
+					return RETURN_BACK;
+				} else if (results == RETURN_OK) {
+					if (!strcmp(*file, stage2_isos[0])) {
+						/* use directory as a mirror tree */
+						continue;
+					} else if (!strcmp(*file, stage2_isos[1])) {
+						/* the separator has been selected */
+						results = RETURN_ERROR;
+						continue;
+					} else {
+						/* use selected ISO image */
+						strcat(location_full, "/");
+						strcat(location_full, *file);
+						log_message("installer will use ISO image \"%s\"", location_full);
+					}
+				}
+			} while (results == RETURN_ERROR);
+		} else {
+			log_message("no ISO image found in \"%s\" directory", location_full);
+		}
+	}
+#endif
+
+	if (!stat(location_full, &statbuf) && !S_ISDIR(statbuf.st_mode)) {
+		log_message("%s exists and is not a directory, assuming this is an ISO image", location_full);
+		if (lomount(location_full, IMAGE_LOCATION, &loopdev, 0)) {
+			stg1_error_message("Could not mount file %s as an ISO image of the " DISTRIB_NAME " Distribution.", location_full);
+			return RETURN_ERROR;
+		}
+		add_to_env("ISOPATH", location_full);
+		add_to_env("METHOD", method_iso);
+	} else {
+		symlink(location_full, IMAGE_LOCATION);
+		add_to_env("METHOD", method_live);
+	}
+#ifndef MANDRAKE_MOVE
+	if (IS_SPECIAL_STAGE2 || ramdisk_possible()) {
+		/* RAMDISK install */
+		if (access(IMAGE_LOCATION RAMDISK_LOCATION, R_OK)) {
+			stg1_error_message("I can't find the " DISTRIB_NAME " Distribution in the specified directory. "
+				      "(I need the subdirectory " RAMDISK_LOCATION ")\n"
+				      "Here's a short extract of the files in the directory:\n"
+				      "%s", extract_list_directory(IMAGE_LOCATION));
+			del_loop(loopdev);
+			return RETURN_ERROR;
+		}
+		if (load_ramdisk() != RETURN_OK) {
+			stg1_error_message("Could not load program into memory.");
+			del_loop(loopdev);
+			return RETURN_ERROR;
+		}
+	} else {
+#endif
+		/* LIVE install */
+#ifdef MANDRAKE_MOVE
+		if (access(IMAGE_LOCATION "/live_tree/etc/fstab", R_OK) && access(IMAGE_LOCATION "/live_tree.clp", R_OK)) {
+#else
+		if (access(IMAGE_LOCATION LIVE_LOCATION, R_OK)) {
+#endif
+			stg1_error_message("I can't find the " DISTRIB_NAME " Distribution in the specified directory. "
+				      "(I need the subdirectory " LIVE_LOCATION ")\n"
+				      "Here's a short extract of the files in the directory:\n"
+				      "%s", extract_list_directory(IMAGE_LOCATION));
+			del_loop(loopdev);
+			return RETURN_ERROR;
+		}
+#ifndef MANDRAKE_MOVE
+		char p;
+		if (readlink(IMAGE_LOCATION LIVE_LOCATION "/usr/bin/runinstall2", &p, 1) != 1) {
+			stg1_error_message("The " DISTRIB_NAME " Distribution seems to be copied on a Windows partition. "
+				      "You need more memory to perform an installation from a Windows partition. "
+				      "Another solution if to copy the " DISTRIB_NAME " Distribution on a Linux partition.");
+			del_loop(loopdev);
+			return RETURN_ERROR;
+		}
+		log_message("found the " DISTRIB_NAME " Installation, good news!");
+	}
+#endif
+
+	if (IS_RESCUE)
+                del_loop(loopdev);
+
+	return RETURN_OK;
+}