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author | Mystery Man <unknown@mandriva.org> | 2003-04-17 14:51:14 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2003-04-17 14:51:14 +0000 |
commit | ef016519fadd0d52908858470a704cce6a8ceeff (patch) | |
tree | 7dda80ef3508a0b6422cc2ea34ce1d933b81f2a4 /mdk-stage1/modules.c | |
parent | 327bd24f8e4291bd1882de1990dd7339f781a9cb (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V1_1_9_55mdk'.V1_1_9_55mdk
Diffstat (limited to 'mdk-stage1/modules.c')
-rw-r--r-- | mdk-stage1/modules.c | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/mdk-stage1/modules.c b/mdk-stage1/modules.c deleted file mode 100644 index 083a81e6a..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); -} - - -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); -} |