| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini lsmod implementation for busybox |
| * |
| * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
| * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com> |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| */ |
| |
| #include "libbb.h" |
| |
| #if ENABLE_FEATURE_CHECK_TAINTED_MODULE |
| enum { |
| TAINT_PROPRIETORY_MODULE = (1 << 0), |
| TAINT_FORCED_MODULE = (1 << 1), |
| TAINT_UNSAFE_SMP = (1 << 2), |
| }; |
| |
| static void check_tainted(void) |
| { |
| int tainted = 0; |
| char *buf = xmalloc_open_read_close("/proc/sys/kernel/tainted", NULL); |
| if (buf) { |
| tainted = atoi(buf); |
| if (ENABLE_FEATURE_CLEAN_UP) |
| free(buf); |
| } |
| |
| if (tainted) { |
| printf(" Tainted: %c%c%c\n", |
| tainted & TAINT_PROPRIETORY_MODULE ? 'P' : 'G', |
| tainted & TAINT_FORCED_MODULE ? 'F' : ' ', |
| tainted & TAINT_UNSAFE_SMP ? 'S' : ' '); |
| } else { |
| puts(" Not tainted"); |
| } |
| } |
| #else |
| static void check_tainted(void) { putchar('\n'); } |
| #endif |
| |
| int lsmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| int lsmod_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) |
| { |
| #if ENABLE_FEATURE_LSMOD_PRETTY_2_6_OUTPUT |
| char *token[4]; |
| parser_t *parser = config_open("/proc/modules"); |
| printf("%-24sSize Used by", "Module"); |
| check_tainted(); |
| |
| if (ENABLE_FEATURE_2_4_MODULES |
| && get_linux_version_code() < KERNEL_VERSION(2,6,0) |
| ) { |
| while (config_read(parser, token, 4, 3, "# \t", PARSE_NORMAL)) { |
| if (token[3] != NULL && token[3][0] == '[') { |
| token[3]++; |
| token[3][strlen(token[3])-1] = '\0'; |
| } else |
| token[3] = (char *) ""; |
| printf("%-19s %8s %2s %s\n", token[0], token[1], token[2], token[3]); |
| } |
| } else { |
| while (config_read(parser, token, 4, 4, "# \t", PARSE_NORMAL & ~PARSE_GREEDY)) { |
| // N.B. token[3] is either '-' (module is not used by others) |
| // or comma-separated list ended by comma |
| // so trimming the trailing char is just what we need! |
| token[3][strlen(token[3])-1] = '\0'; |
| printf("%-19s %8s %2s %s\n", token[0], token[1], token[2], token[3]); |
| } |
| } |
| if (ENABLE_FEATURE_CLEAN_UP) |
| config_close(parser); |
| #else |
| check_tainted(); |
| xprint_and_close_file(xfopen_for_read("/proc/modules")); |
| #endif |
| return EXIT_SUCCESS; |
| } |