diff options
Diffstat (limited to 'mdk-stage1/modules.c')
| -rw-r--r-- | mdk-stage1/modules.c | 674 |
1 files changed, 337 insertions, 337 deletions
diff --git a/mdk-stage1/modules.c b/mdk-stage1/modules.c index ec03233ae..745070052 100644 --- a/mdk-stage1/modules.c +++ b/mdk-stage1/modules.c @@ -52,247 +52,247 @@ extern long init_module(void *, unsigned long, const char *); static const char *moderror(int err) { - switch (err) { - case ENOEXEC: - return "Invalid module format"; - case ENOENT: - return "Unknown symbol in module"; - case ESRCH: - return "Module has wrong symbol version"; - case EINVAL: - return "Invalid parameters"; - default: - return strerror(err); - } + switch (err) { + case ENOEXEC: + return "Invalid module format"; + case ENOENT: + return "Unknown symbol in module"; + case ESRCH: + return "Module has wrong symbol version"; + case EINVAL: + return "Invalid parameters"; + default: + return strerror(err); + } } int insmod_local_file(char * path, char * options) { - void *file; - unsigned long len; - int rc; + void *file; + unsigned long len; + int rc; - if (IS_TESTING) - return 0; + if (IS_TESTING) + return 0; - file = grab_file(path, &len); + file = grab_file(path, &len); - if (!file) { - log_perror(asprintf_("\terror reading %s", path)); - return -1; - } + if (!file) { + log_perror(asprintf_("\terror reading %s", path)); + return -1; + } - rc = init_module(file, len, options ? options : ""); - if (rc) - log_message("\terror: %s", moderror(errno)); - return rc; + rc = init_module(file, len, options ? options : ""); + if (rc) + log_message("\terror: %s", moderror(errno)); + return rc; } static char *kernel_module_extension(void) { - return ".ko.xz"; + return ".ko.xz"; } static char *filename2modname(char * filename) { - char *modname, *p; + char *modname, *p; - modname = strdup(basename(filename)); - if (strstr(modname, kernel_module_extension())) { - modname[strlen(modname)-strlen(kernel_module_extension())] = '\0'; /* remove trailing .ko.gz */ - } + modname = strdup(basename(filename)); + if (strstr(modname, kernel_module_extension())) { + modname[strlen(modname)-strlen(kernel_module_extension())] = '\0'; /* remove trailing .ko.gz */ + } - p = modname; - while (p && *p) { - if (*p == '-') - *p = '_'; - p++; - } + p = modname; + while (p && *p) { + if (*p == '-') + *p = '_'; + p++; + } - return modname; + return modname; } static void find_modules_directory(void) { - struct utsname kernel_uname; - char * prefix = "/lib/modules"; - char * release; - if (uname(&kernel_uname)) { - fatal_error("uname failed"); - } - release = kernel_uname.release; - sprintf(modules_directory , "%s/%s", prefix, release); + struct utsname kernel_uname; + char * prefix = "/lib/modules"; + char * release; + if (uname(&kernel_uname)) { + fatal_error("uname failed"); + } + release = kernel_uname.release; + sprintf(modules_directory , "%s/%s", prefix, release); } static int load_modules_dependencies(void) { - char * deps_file = asprintf_("%s/%s", modules_directory, "modules.dep"); - char * buf, * ptr, * start, * end; - struct stat s; - int line, i; - - log_message("loading modules dependencies"); - buf = cat_file(deps_file, &s); - if (!buf) - return -1; - line = line_counts(buf); - 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++; - - /* sort of a good line */ - modules_deps[line].filename = start[0] == '/' ? strdup(start) : asprintf_("%s/%s", modules_directory, start); - modules_deps[line].modname = filename2modname(start); - - start = ptr; - i = 0; - while (start && *start && i < sizeof(tmp_deps)/sizeof(char *)) { - ptr = strchr(start, ' '); - if (ptr) *ptr = '\0'; - tmp_deps[i++] = filename2modname(start); - if (ptr) - start = ptr + 1; - else - start = NULL; - while (start && *start && *start == ' ') - start++; - } - if(i >= sizeof(tmp_deps)/sizeof(char *)-1) { - log_message("warning, more than %zu dependencies for module %s", - sizeof(tmp_deps)/sizeof(char *)-1, - modules_deps[line].modname); - i = sizeof(tmp_deps)/sizeof(char *)-1; - } - tmp_deps[i++] = NULL; - - modules_deps[line].deps = _memdup(tmp_deps, sizeof(char *) * i); - - line++; - start = end + 1; - } - modules_deps[line].modname = NULL; - - free(buf); - - return 0; + char * deps_file = asprintf_("%s/%s", modules_directory, "modules.dep"); + char * buf, * ptr, * start, * end; + struct stat s; + int line, i; + + log_message("loading modules dependencies"); + buf = cat_file(deps_file, &s); + if (!buf) + return -1; + line = line_counts(buf); + 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++; + + /* sort of a good line */ + modules_deps[line].filename = start[0] == '/' ? strdup(start) : asprintf_("%s/%s", modules_directory, start); + modules_deps[line].modname = filename2modname(start); + + start = ptr; + i = 0; + while (start && *start && i < sizeof(tmp_deps)/sizeof(char *)) { + ptr = strchr(start, ' '); + if (ptr) *ptr = '\0'; + tmp_deps[i++] = filename2modname(start); + if (ptr) + start = ptr + 1; + else + start = NULL; + while (start && *start && *start == ' ') + start++; + } + if(i >= sizeof(tmp_deps)/sizeof(char *)-1) { + log_message("warning, more than %zu dependencies for module %s", + sizeof(tmp_deps)/sizeof(char *)-1, + modules_deps[line].modname); + i = sizeof(tmp_deps)/sizeof(char *)-1; + } + tmp_deps[i++] = NULL; + + modules_deps[line].deps = _memdup(tmp_deps, sizeof(char *) * i); + + line++; + start = end + 1; + } + modules_deps[line].modname = NULL; + + free(buf); + + return 0; } static int load_modules_descriptions(void) { - char * descr_file = asprintf_("%s/%s", modules_directory, "modules.description"); - char * buf, * ptr, * start, * end; - struct stat s; - int line; - - log_message("loading modules descriptions"); - - buf = cat_file(descr_file, &s); - if (!buf) - return -1; - line = line_counts(buf); - modules_descr = malloc(sizeof(*modules_descr) * (line+1)); - - start = buf; - line = 0; - while (start < (buf+s.st_size) && *start) { - end = strchr(start, '\n'); - *end = '\0'; - - ptr = strchr(start, '\t'); - if (!ptr) { - start = end + 1; - continue; - } - *ptr = '\0'; - ptr++; - - modules_descr[line].modname = filename2modname(start); - modules_descr[line].description = strndup(ptr, 50); - - line++; - start = end + 1; - } - modules_descr[line].modname = NULL; - - free(buf); - - return 0; + char * descr_file = asprintf_("%s/%s", modules_directory, "modules.description"); + char * buf, * ptr, * start, * end; + struct stat s; + int line; + + log_message("loading modules descriptions"); + + buf = cat_file(descr_file, &s); + if (!buf) + return -1; + line = line_counts(buf); + modules_descr = malloc(sizeof(*modules_descr) * (line+1)); + + start = buf; + line = 0; + while (start < (buf+s.st_size) && *start) { + end = strchr(start, '\n'); + *end = '\0'; + + ptr = strchr(start, '\t'); + if (!ptr) { + start = end + 1; + continue; + } + *ptr = '\0'; + ptr++; + + modules_descr[line].modname = filename2modname(start); + modules_descr[line].description = strndup(ptr, 50); + + line++; + start = end + 1; + } + modules_descr[line].modname = NULL; + + free(buf); + + return 0; } void init_firmware_loader(void) { - int fd = open(UEVENT_HELPER_FILE, O_WRONLY|O_TRUNC, 0666); - if (!fd) { - log_message("warning, unable to set firmware loader"); - return; - } - write(fd, UEVENT_HELPER_VALUE, strlen(UEVENT_HELPER_VALUE)); - close(fd); + int fd = open(UEVENT_HELPER_FILE, O_WRONLY|O_TRUNC, 0666); + if (!fd) { + log_message("warning, unable to set firmware loader"); + return; + } + write(fd, UEVENT_HELPER_VALUE, strlen(UEVENT_HELPER_VALUE)); + close(fd); } void init_modules_insmoding(void) { - find_modules_directory(); - if (load_modules_dependencies()) { - fatal_error("warning, error initing modules stuff, modules loading disabled"); - } - if (load_modules_descriptions()) { - log_message("warning, error initing modules stuff"); - } + find_modules_directory(); + if (load_modules_dependencies()) { + fatal_error("warning, error initing modules stuff, modules loading disabled"); + } + if (load_modules_descriptions()) { + log_message("warning, error initing modules stuff"); + } } static void add_modules_conf(char * str) { - static char data[5000] = ""; - char * target = "/tmp/modules.conf"; - int fd; + static char data[5000] = ""; + char * target = "/tmp/modules.conf"; + int fd; - if (strlen(data) + strlen(str) >= sizeof(data)) - return; + if (strlen(data) + strlen(str) >= sizeof(data)) + return; - strcat(data, str); - strcat(data, "\n"); + strcat(data, str); + strcat(data, "\n"); - fd = open(target, O_CREAT|O_WRONLY|O_TRUNC, 00660); - - if (fd == -1) { - log_perror(str); - return; - } + 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); + if (write(fd, data, strlen(data) + 1) != (ssize_t) (strlen(data) + 1)) + log_perror(str); - close(fd); + close(fd); } int module_already_present(const char * name) { - FILE * f; - struct stat sb; - char *path; - int answ = 0; + FILE * f; + struct stat sb; + char *path; + int answ = 0; - if ((f = fopen("/proc/modules", "rb"))) { + if ((f = fopen("/proc/modules", "rb"))) { while (1) { char buf[500]; if (!fgets(buf, sizeof(buf), f)) break; @@ -302,51 +302,51 @@ int module_already_present(const char * name) fclose(f); } - /* built-in module case. try to find them through sysfs */ - if (!answ) { - asprintf(&path, "/sys/module/%s", name); - if (!stat(path, &sb)) - answ = 1; - free(path); - } - return answ; + /* built-in module case. try to find them through sysfs */ + if (!answ) { + asprintf(&path, "/sys/module/%s", name); + if (!stat(path, &sb)) + answ = 1; + free(path); + } + return answ; } #ifndef ENABLE_NETWORK_STANDALONE static enum insmod_return insmod_with_deps(const char * mod_name, char * options, int allow_modules_floppy) { - struct module_deps_elem * dep; - const char * filename; - - dep = modules_deps; - while (dep && dep->modname && strcmp(dep->modname, mod_name)) dep++; - - if (dep && dep->modname && 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, allow_modules_floppy); - one_dep++; - } - } + struct module_deps_elem * dep; + const char * filename; + + dep = modules_deps; + while (dep && dep->modname && strcmp(dep->modname, mod_name)) dep++; + + if (dep && dep->modname && 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, allow_modules_floppy); + one_dep++; + } + } - if (dep && dep->filename) { - filename = dep->filename; - } else { - log_message("warning: unable to get module filename for %s", mod_name); - filename = mod_name; - } - - if (module_already_present(mod_name)) - return INSMOD_OK; - - log_message("needs %s", filename); - { - return insmod_local_file((char *) filename, options); - } + if (dep && dep->filename) { + filename = dep->filename; + } else { + log_message("warning: unable to get module filename for %s", mod_name); + filename = mod_name; + } + + if (module_already_present(mod_name)) + return INSMOD_OK; + + log_message("needs %s", filename); + { + return insmod_local_file((char *) filename, options); + } } #endif @@ -357,84 +357,84 @@ enum insmod_return my_insmod(const char * mod_name, enum driver_type type, char enum insmod_return my_insmod(const char * mod_name, enum driver_type type __attribute__ ((unused)), char * options, int allow_modules_floppy) #endif { - int i; + int i; #ifndef DISABLE_NETWORK - char ** net_devices = NULL; /* fucking compiler */ + char ** net_devices = NULL; /* fucking compiler */ #endif - if (module_already_present(mod_name)) - return INSMOD_OK; + if (module_already_present(mod_name)) + return INSMOD_OK; - log_message("have to insmod %s", mod_name); + log_message("have to insmod %s", mod_name); #ifndef DISABLE_NETWORK - if (type == NETWORK_DEVICES) - net_devices = get_net_devices(); + if (type == NETWORK_DEVICES) + net_devices = get_net_devices(); #endif #ifdef ENABLE_NETWORK_STANDALONE - { - char *cmd = options ? asprintf_("/sbin/modprobe %s %s", mod_name, options) : - asprintf_("/sbin/modprobe %s", mod_name); - log_message("running %s", cmd); - i = system(cmd); - } + { + char *cmd = options ? asprintf_("/sbin/modprobe %s %s", mod_name, options) : + asprintf_("/sbin/modprobe %s", mod_name); + log_message("running %s", cmd); + i = system(cmd); + } #else - i = insmod_with_deps(mod_name, options, allow_modules_floppy); + i = insmod_with_deps(mod_name, options, allow_modules_floppy); #endif - if (i == 0) { - log_message("\tsucceeded %s", mod_name); + 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++; - } - } + 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; + } 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], 1) != INSMOD_OK) { - stg1_error_message("Insmod failed."); - return RETURN_ERROR; - } - - add_modules_conf(options); - - return RETURN_OK; + 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], 1) != INSMOD_OK) { + stg1_error_message("Insmod failed."); + return RETURN_ERROR; + } + + add_modules_conf(options); + + return RETURN_OK; } static int strsortfunc(const void *a, const void *b) @@ -444,58 +444,58 @@ static int strsortfunc(const void *a, const void *b) enum return_type ask_insmod(enum driver_type type) { - enum return_type results; - char * choice; - char ** dlist = list_directory(modules_directory); - char ** modules = alloca(sizeof(char *) * (string_array_length(dlist) + 1)); - char ** descrs = alloca(sizeof(char *) * (string_array_length(dlist) + 1)); - char ** p_dlist = dlist; - char ** p_modules = modules; - char ** p_descrs = descrs; - - qsort(dlist, string_array_length(dlist), sizeof(char *), strsortfunc); - - unset_automatic(); /* we are in a fallback mode */ - - while (p_dlist && *p_dlist) { - struct module_descr_elem * descr; - if (!strstr(*p_dlist, kernel_module_extension())) { - p_dlist++; - continue; - } - *p_modules = *p_dlist; - *p_descrs = NULL; - (*p_modules)[strlen(*p_modules)-strlen(kernel_module_extension())] = '\0'; /* remove trailing .ko.gz */ - - descr = modules_descr; - while (descr && descr->modname && strcmp(descr->modname, *p_modules)) descr++; - if (descr) - *p_descrs = descr->description; - - p_dlist++; - p_modules++; - p_descrs++; - } - *p_modules = NULL; - *p_descrs = NULL; - - if (modules && *modules) { - char * mytype; - char msg[200]; - if (type == MEDIA_ADAPTERS) - mytype = "MEDIA"; - else if (type == NETWORK_DEVICES) - mytype = "NET"; - else - return RETURN_ERROR; - - snprintf(msg, sizeof(msg), "Which driver should I try to gain %s access?", mytype); - results = ask_from_list_comments(msg, modules, descrs, &choice); - if (results == RETURN_OK) - return insmod_with_options(choice, type); - else - return results; - } else { - return RETURN_BACK; - } + enum return_type results; + char * choice; + char ** dlist = list_directory(modules_directory); + char ** modules = alloca(sizeof(char *) * (string_array_length(dlist) + 1)); + char ** descrs = alloca(sizeof(char *) * (string_array_length(dlist) + 1)); + char ** p_dlist = dlist; + char ** p_modules = modules; + char ** p_descrs = descrs; + + qsort(dlist, string_array_length(dlist), sizeof(char *), strsortfunc); + + unset_automatic(); /* we are in a fallback mode */ + + while (p_dlist && *p_dlist) { + struct module_descr_elem * descr; + if (!strstr(*p_dlist, kernel_module_extension())) { + p_dlist++; + continue; + } + *p_modules = *p_dlist; + *p_descrs = NULL; + (*p_modules)[strlen(*p_modules)-strlen(kernel_module_extension())] = '\0'; /* remove trailing .ko.gz */ + + descr = modules_descr; + while (descr && descr->modname && strcmp(descr->modname, *p_modules)) descr++; + if (descr) + *p_descrs = descr->description; + + p_dlist++; + p_modules++; + p_descrs++; + } + *p_modules = NULL; + *p_descrs = NULL; + + if (modules && *modules) { + char * mytype; + char msg[200]; + if (type == MEDIA_ADAPTERS) + mytype = "MEDIA"; + else if (type == NETWORK_DEVICES) + mytype = "NET"; + else + return RETURN_ERROR; + + snprintf(msg, sizeof(msg), "Which driver should I try to gain %s access?", mytype); + results = ask_from_list_comments(msg, modules, descrs, &choice); + if (results == RETURN_OK) + return insmod_with_options(choice, type); + else + return results; + } else { + return RETURN_BACK; + } } |