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SE Linux alias translation code (broken)

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albert 2005-10-30 02:45:45 +00:00
parent f7603be903
commit 8df9f2ee02
2 changed files with 37 additions and 2 deletions
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2
ps/module.mk
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@ -20,7 +20,7 @@ PS_X := COPYING HACKING TRANSLATION common.h module.mk it p ps.1 regression
TARFILES += $(PSSRC) $(addprefix ps/,$(PS_X))
ps/ps: $(PSOBJ) $(LIBPROC)
$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) -o $@ $^
$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) -o $@ $^ -ldl
# This just adds the stacktrace code
ps/debug: $(PSOBJ) stacktrace.o $(LIBPROC)

37
ps/output.c
View File

@ -53,6 +53,7 @@
#include <sys/mman.h>
#include <time.h>
#include <unistd.h>
#include <dlfcn.h>
#include "../proc/readproc.h"
#include "../proc/sysinfo.h"
@ -1091,8 +1092,8 @@ static int pr_sgi_p(char *restrict const outbuf, const proc_t *restrict const pp
/****************** FLASK & seLinux security stuff **********************/
// move the bulk of this to libproc sometime
static int pr_context(char *restrict const outbuf, const proc_t *restrict const pp){
char filename[48];
size_t len;
@ -1122,6 +1123,40 @@ fail:
}
// move the bulk of this to libproc sometime
static int pr_context(char *restrict const outbuf, const proc_t *restrict const pp){
static int (*ps_getpidcon)(pid_t pid, char **context) = 0;
static int tried_load = 0;
size_t len;
char *context;
if(!ps_getpidcon && !tried_load){
void *handle = dlopen("libselinux.so.1", RTLD_NOW);
if(handle){
dlerror();
ps_getpidcon = dlsym(handle, "getpidcon");
if(dlerror())
ps_getpidcon = 0;
}
tried_load++;
}
if(ps_getpidcon && !ps_getpidcon(pp->tgid, &context)){
size_t max_len = OUTBUF_SIZE-1;
len = strlen(context);
if(len > max_len) len = max_len;
memcpy(outbuf, context, len);
outbuf[len] = '\0';
free(context);
}else{
outbuf[0] = '-';
outbuf[1] = '\0';
len = 1;
}
return len;
}
////////////////////////////// Test code /////////////////////////////////
// like "args"