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-rw-r--r--mdk-stage1/modules.c437
1 files changed, 0 insertions, 437 deletions
diff --git a/mdk-stage1/modules.c b/mdk-stage1/modules.c
deleted file mode 100644
index 1fe1cd42a..000000000
--- a/mdk-stage1/modules.c
+++ /dev/null
@@ -1,437 +0,0 @@
-/*
- * Guillaume Cottenceau (gc@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.
- *
- */
-
-/*
- * (1) calculate dependencies
- * (2) unarchive relevant modules
- * (3) insmod them
- */
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mount.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include "insmod.h"
-#include "stage1.h"
-#include "log.h"
-#include "mar/mar-extract-only.h"
-#include "frontend.h"
-#include "mount.h"
-#include "modules_descr.h"
-
-#include "modules.h"
-
-static struct module_deps_elem * modules_deps = NULL;
-
-static char * archive_name = "/modules/modules.mar";
-int disable_modules = 0;
-
-
-/* unarchive and insmod given module
- * WARNING: module must not contain the trailing ".o"
- */
-static enum insmod_return insmod_archived_file(const char * mod_name, char * options)
-{
- char module_name[50];
- char final_name[50] = "/tmp/";
- int i, rc;
-
- strncpy(module_name, mod_name, sizeof(module_name));
- strcat(module_name, ".o");
- i = mar_extract_file(archive_name, module_name, "/tmp/");
- if (i == 1) {
- log_message("file-not-found-in-archive %s (maybe you can try another boot floppy such as 'other.img' for seldom used SCSI modules)", module_name);
- return INSMOD_FAILED_FILE_NOT_FOUND;
- }
- if (i != 0)
- return INSMOD_FAILED;
-
- strcat(final_name, mod_name);
- strcat(final_name, ".o");
-
- rc = insmod_call(final_name, options);
- unlink(final_name); /* sucking no space left on device */
- if (rc) {
- log_message("\tfailed");
- return INSMOD_FAILED;
- }
- return INSMOD_OK;
-}
-
-
-
-static int load_modules_dependencies(void)
-{
- char * deps_file = "/modules/modules.dep";
- char * buf, * ptr, * start, * end;
- struct stat s;
- int fd, line, i;
-
- log_message("loading modules dependencies");
-
- if (IS_TESTING)
- return 0;
-
- fd = open(deps_file, O_RDONLY);
- if (fd == -1) {
- log_perror(deps_file);
- return -1;
- }
-
- fstat(fd, &s);
- buf = alloca(s.st_size + 1);
- if (read(fd, buf, s.st_size) != (ssize_t)s.st_size) {
- log_perror(deps_file);
- return -1;
- }
- buf[s.st_size] = '\0';
- close(fd);
-
- ptr = buf;
- line = 0;
- while (ptr) {
- line++;
- ptr = strchr(ptr + 1, '\n');
- }
-
- modules_deps = malloc(sizeof(*modules_deps) * (line+1));
-
- start = buf;
- line = 0;
- while (start < (buf+s.st_size) && *start) {
- char * tmp_deps[50];
-
- end = strchr(start, '\n');
- *end = '\0';
-
- ptr = strchr(start, ':');
- if (!ptr) {
- start = end + 1;
- continue;
- }
- *ptr = '\0';
- ptr++;
-
- while (*ptr && (*ptr == ' ')) ptr++;
- if (!*ptr) {
- start = end + 1;
- continue;
- }
-
- /* sort of a good line */
- modules_deps[line].name = strdup(start);
-
- start = ptr;
- i = 0;
- while (start && *start) {
- ptr = strchr(start, ' ');
- if (ptr) *ptr = '\0';
- tmp_deps[i++] = strdup(start);
- if (ptr)
- start = ptr + 1;
- else
- start = NULL;
- while (start && *start && *start == ' ')
- start++;
- }
- tmp_deps[i++] = NULL;
-
- modules_deps[line].deps = memdup(tmp_deps, sizeof(char *) * i);
-
- line++;
- start = end + 1;
- }
- modules_deps[line].name = NULL;
-
- return 0;
-}
-
-
-void init_modules_insmoding(void)
-{
- if (load_modules_dependencies()) {
- log_message("warning, error initing modules stuff, modules loading disabled");
- disable_modules = 1;
- }
-}
-
-
-static void add_modules_conf(char * str)
-{
- static char data[5000] = "";
- char * target = "/etc/modules.conf";
- int fd;
-
- if (strlen(data) + strlen(str) >= sizeof(data))
- return;
-
- strcat(data, str);
- strcat(data, "\n");
-
- fd = open(target, O_CREAT|O_WRONLY|O_TRUNC, 00660);
-
- if (fd == -1) {
- log_perror(str);
- return;
- }
-
- if (write(fd, data, strlen(data) + 1) != (ssize_t) (strlen(data) + 1))
- log_perror(str);
-
- close(fd);
-}
-
-
-static int module_already_present(const char * name)
-{
- FILE * f;
- int answ = 0;
- f = fopen("/proc/modules", "rb");
- while (1) {
- char buf[500];
- if (!fgets(buf, sizeof(buf), f)) break;
- if (!strncmp(name, buf, strlen(name)) && buf[strlen(name)] == ' ')
- answ = 1;
- }
- fclose(f);
- return answ;
-}
-
-
-static enum insmod_return insmod_with_deps(const char * mod_name, char * options)
-{
- struct module_deps_elem * dep;
-
- dep = modules_deps;
- while (dep && dep->name && strcmp(dep->name, mod_name)) dep++;
-
- if (dep && dep->name && dep->deps) {
- char ** one_dep;
- one_dep = dep->deps;
- while (*one_dep) {
- /* here, we can fail but we don't care, if the error is
- * important, the desired module will fail also */
- insmod_with_deps(*one_dep, NULL);
- one_dep++;
- }
- }
-
- if (module_already_present(mod_name))
- return INSMOD_OK;
-
- log_message("needs %s", mod_name);
- return insmod_archived_file(mod_name, options);
-}
-
-
-#ifndef DISABLE_NETWORK
-enum insmod_return my_insmod(const char * mod_name, enum driver_type type, char * options)
-#else
-enum insmod_return my_insmod(const char * mod_name, enum driver_type type __attribute__ ((unused)), char * options)
-#endif
-{
- int i;
-#ifndef DISABLE_NETWORK
- char ** net_devices = NULL; /* fucking compiler */
-#endif
-
- log_message("have to insmod %s", mod_name);
-
- if (disable_modules) {
- log_message("\tdisabled");
- return INSMOD_OK;
- }
-
-#ifndef DISABLE_NETWORK
- if (type == NETWORK_DEVICES)
- net_devices = get_net_devices();
-#endif
-
- if (IS_TESTING)
- return INSMOD_OK;
-
- i = insmod_with_deps(mod_name, options);
- if (i == 0) {
- log_message("\tsucceeded %s", mod_name);
-#ifndef DISABLE_NETWORK
- if (type == NETWORK_DEVICES) {
- char ** new_net_devices = get_net_devices();
- while (new_net_devices && *new_net_devices) {
- char alias[500];
- char ** ptr = net_devices;
- while (ptr && *ptr) {
- if (!strcmp(*new_net_devices, *ptr))
- goto already_present;
- ptr++;
- }
- sprintf(alias, "alias %s %s", *new_net_devices, mod_name);
- add_modules_conf(alias);
- log_message("NET: %s", alias);
- net_discovered_interface(*new_net_devices);
-
- already_present:
- new_net_devices++;
- }
- }
-#endif
- } else
- log_message("warning, insmod failed (%s %s) (%d)", mod_name, options, i);
-
- return i;
-
-}
-
-static enum return_type insmod_with_options(char * mod, enum driver_type type)
-{
- char * questions[] = { "Options", NULL };
- static char ** answers = NULL;
- enum return_type results;
- char options[500] = "options ";
-
- results = ask_from_entries("Please enter the parameters to give to the kernel:", questions, &answers, 24, NULL);
- if (results != RETURN_OK)
- return results;
-
- strcat(options, mod);
- strcat(options, " ");
- strcat(options, answers[0]); // because my_insmod will eventually modify the string
-
- if (my_insmod(mod, type, answers[0]) != INSMOD_OK) {
- stg1_error_message("Insmod failed.");
- return RETURN_ERROR;
- }
-
- add_modules_conf(options);
-
- return RETURN_OK;
-}
-
-enum return_type ask_insmod(enum driver_type type)
-{
- char * mytype;
- char msg[200];
- enum return_type results;
- char * choice;
-
- unset_param(MODE_AUTOMATIC); /* we are in a fallback mode */
-
- if (type == SCSI_ADAPTERS)
- mytype = "SCSI";
- else if (type == NETWORK_DEVICES)
- mytype = "NET";
- else
- return RETURN_ERROR;
-
- if (disable_modules)
- return RETURN_BACK;
-
- snprintf(msg, sizeof(msg), "Which driver should I try to gain %s access?", mytype);
-
- {
- char ** drivers = mar_list_contents(archive_name);
- char ** descrs = malloc(sizeof(char *) * string_array_length(drivers));
- char ** p_drivers = drivers;
- char ** p_descrs = descrs;
- while (p_drivers && *p_drivers) {
- int i;
- *p_descrs = NULL;
- for (i = 0 ; i < modules_descriptions_num ; i++) {
- if (!strncmp(*p_drivers, modules_descriptions[i].module, strlen(modules_descriptions[i].module))
- && (*p_drivers)[strlen(modules_descriptions[i].module)] == '.') /* one contains '.o' not the other */
- *p_descrs = modules_descriptions[i].descr;
- }
- p_drivers++;
- p_descrs++;
- }
- results = ask_from_list_comments(msg, drivers, descrs, &choice);
- }
-
- if (results == RETURN_OK) {
- choice[strlen(choice)-2] = '\0'; /* remove trailing .o */
- return insmod_with_options(choice, type);
- } else
- return results;
-}
-
-
-void update_modules(void)
-{
- FILE * f;
- char ** disk_contents;
- char final_name[500];
- char floppy_mount_location[] = "/tmp/floppy";
-
- stg1_info_message("Please insert the Update Modules floppy.");;
-
- my_insmod("floppy", ANY_DRIVER_TYPE, NULL);
-
- if (my_mount("/dev/fd0", floppy_mount_location, "ext2", 0) == -1) {
- enum return_type results = ask_yes_no("I can't find a Linux ext2 floppy in first floppy drive.\n"
- "Retry?");
- if (results == RETURN_OK)
- return update_modules();
- return;
- }
-
- disk_contents = list_directory(floppy_mount_location);
-
- if (!(f = fopen("/tmp/floppy/to_load", "rb"))) {
- stg1_error_message("I can't find \"to_load\" file.");
- umount(floppy_mount_location);
- return update_modules();
- }
- while (1) {
- char module[500];
- char * options;
- char ** entry = disk_contents;
-
- if (!fgets(module, sizeof(module), f)) break;
- if (module[0] == '#' || strlen(module) == 0)
- continue;
-
- while (module[strlen(module)-1] == '\n')
- module[strlen(module)-1] = '\0';
- options = strchr(module, ' ');
- if (options) {
- options[0] = '\0';
- options++;
- }
-
- log_message("updatemodules: (%s) (%s)", module, options);
- while (entry && *entry) {
- if (!strncmp(*entry, module, strlen(module)) && (*entry)[strlen(module)] == '.') {
- sprintf(final_name, "%s/%s", floppy_mount_location, *entry);
- if (insmod_call(final_name, options)) {
- log_message("\t%s (floppy): failed", *entry);
- stg1_error_message("Insmod %s (floppy) failed.", *entry);
- }
- break;
- }
- entry++;
- }
- if (!entry || !*entry) {
- enum insmod_return ret = my_insmod(module, ANY_DRIVER_TYPE, options);
- if (ret != INSMOD_OK) {
- log_message("\t%s (marfile): failed", module);
- stg1_error_message("Insmod %s (marfile) failed.", module);
- }
- }
- }
- fclose(f);
- umount(floppy_mount_location);
-}
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