X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fubox.git;a=blobdiff_plain;f=kmodloader.c;h=f0985eeb5c9240b92aebe86cec553ed964deffdd;hp=dee4b7c69eb4236402d31f821a55b3f0f98ec541;hb=cb6425ce059ddcd4ade45200fdcc39234ff500ad;hpb=8baea575d7314f36649e7c85a90715e199dc0f46 diff --git a/kmodloader.c b/kmodloader.c index dee4b7c..f0985ee 100644 --- a/kmodloader.c +++ b/kmodloader.c @@ -111,8 +111,7 @@ static char* get_module_name(char *path) return name; } -#if __WORDSIZE == 64 -static int elf_find_section(char *map, const char *section, unsigned int *offset, unsigned int *size) +static int elf64_find_section(char *map, const char *section, unsigned int *offset, unsigned int *size) { const char *secnames; Elf64_Ehdr *e; @@ -133,8 +132,8 @@ static int elf_find_section(char *map, const char *section, unsigned int *offset return -1; } -#else -static int elf_find_section(char *map, const char *section, unsigned int *offset, unsigned int *size) + +static int elf32_find_section(char *map, const char *section, unsigned int *offset, unsigned int *size) { const char *secnames; Elf32_Ehdr *e; @@ -155,7 +154,20 @@ static int elf_find_section(char *map, const char *section, unsigned int *offset return -1; } -#endif + +static int elf_find_section(char *map, const char *section, unsigned int *offset, unsigned int *size) +{ + int clazz = map[EI_CLASS]; + + if (clazz == ELFCLASS32) + return elf32_find_section(map, section, offset, size); + else if (clazz == ELFCLASS64) + return elf64_find_section(map, section, offset, size); + + LOG("unknown elf format %d\n", clazz); + + return -1; +} static struct module * alloc_module(const char *name, const char *depends, int size) @@ -284,8 +296,8 @@ static int scan_module_folder(void) int j; uname(&ver); - path = alloca(sizeof(DEF_MOD_PATH "*.ko") + strlen(ver.release) + 1); - sprintf(path, DEF_MOD_PATH "*.ko", ver.release); + path = alloca(sizeof(DEF_MOD_PATH "*.ko") + strlen(prefix) + strlen(ver.release) + 1); + sprintf(path, "%s" DEF_MOD_PATH "*.ko", prefix, ver.release); if (glob(path, gl_flags, NULL, &gl) < 0) return -1; @@ -526,6 +538,11 @@ static int main_insmod(int argc, char **argv) cur += sprintf(cur, "%s", argv[i]); } + if (!get_module_path(name)) { + fprintf(stderr, "Failed to find %s. Maybe it is a built in module ?\n", name); + return -1; + } + ret = insert_module(get_module_path(name), options); free(options); @@ -553,13 +570,13 @@ static int main_rmmod(int argc, char **argv) LOG("module is not loaded\n"); return -1; } - free_modules(); - - ret = syscall(__NR_delete_module, name, 0); + ret = syscall(__NR_delete_module, m->name, 0); if (ret) LOG("unloading the module failed\n"); + free_modules(); + return ret; } @@ -583,18 +600,29 @@ static int main_lsmod(int argc, char **argv) static int main_modinfo(int argc, char **argv) { - char *module; + struct module *m; + char *name; if (argc != 2) return print_usage("modinfo"); - module = get_module_path(argv[1]); - if (!module) { + if (scan_module_folder()) + return -1; + + name = get_module_name(argv[1]); + m = find_module(name); + if (!m) { LOG("cannot find module - %s\n", argv[1]); return -1; } - print_modinfo(module); + name = get_module_path(m->name); + if (!name) { + LOG("cannot find path of module - %s\n", m->name); + return -1; + } + + print_modinfo(name); return 0; }