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| author | Eric Andersen | 2002-09-16 05:30:24 +0000 |
|---|---|---|
| committer | Eric Andersen | 2002-09-16 05:30:24 +0000 |
| commit | 166fa4684f33579277f34d887537c2abefc9deb0 (patch) | |
| tree | c3f4a401ceb2cce8799929aa64e509f964b933ea /modutils/lsmod.c | |
| parent | 061c9001763f4a19d8104d5be61bbb09b50b1dae (diff) | |
| download | busybox-166fa4684f33579277f34d887537c2abefc9deb0.zip busybox-166fa4684f33579277f34d887537c2abefc9deb0.tar.gz | |
Support module tainting
-Erik
Diffstat (limited to 'modutils/lsmod.c')
| -rw-r--r-- | modutils/lsmod.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/modutils/lsmod.c b/modutils/lsmod.c index 5cb585b..3618ebe 100644 --- a/modutils/lsmod.c +++ b/modutils/lsmod.c @@ -41,6 +41,32 @@ +#define TAINT_FILENAME "/proc/sys/kernel/tainted" +#define TAINT_PROPRIETORY_MODULE (1<<0) +#define TAINT_FORCED_MODULE (1<<1) +#define TAINT_UNSAFE_SMP (1<<2) + +void check_tainted(void) +{ + int tainted; + FILE *f; + + tainted = 0; + if ((f = fopen(TAINT_FILENAME, "r"))) { + fscanf(f, "%d", &tainted); + fclose(f); + } + if (f && tainted) { + printf(" Tainted: %c%c%c", + tainted & TAINT_PROPRIETORY_MODULE ? 'P' : 'G', + tainted & TAINT_FORCED_MODULE ? 'F' : ' ', + tainted & TAINT_UNSAFE_SMP ? 'S' : ' '); + } + else { + printf(" Not tainted"); + } +} + #ifdef CONFIG_FEATURE_QUERY_MODULE_INTERFACE struct module_info @@ -99,7 +125,10 @@ extern int lsmod_main(int argc, char **argv) } deps = xmalloc(depsize = 256); - printf("Module Size Used by\n"); + printf("Module Size Used by"); + check_tainted(); + printf("\n"); + for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) { if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) { if (errno == ENOENT) { @@ -149,7 +178,8 @@ extern int lsmod_main(int argc, char **argv) int fd, i; char line[128]; - puts("Module Size Used by"); + printf("Module Size Used by"); + check_tainted(); fflush(stdout); if ((fd = open("/proc/modules", O_RDONLY)) >= 0 ) { |