static int print_arch(unsigned int value, int op)
{
int machine;
_audit_elf = value;
machine = audit_elf_to_machine(_audit_elf);
if (machine < 0)
printf(" -F arch%s0x%X", audit_operator_to_symbol(op),
(unsigned)value);
else {
if (interpret == 0) {
if (__AUDIT_ARCH_64BIT & _audit_elf)
printf(" -F arch%sb64",
audit_operator_to_symbol(op));
else
printf(" -F arch%sb32",
audit_operator_to_symbol(op));
} else {
const char *ptr = audit_machine_to_name(machine);
printf(" -F arch%s%s", audit_operator_to_symbol(op),
ptr);
}
}
return machine;
}
/*
* This function prints 1 rule from the kernel reply
*/
static void print_rule(const struct audit_rule_data *r)
{
unsigned int i, count = 0, sc = 0;
size_t boffset = 0;
int mach = -1, watch = is_watch(r);
unsigned long long a0 = 0, a1 = 0;
if (!watch) { /* This is syscall auditing */
printf("-a %s,%s",
audit_action_to_name((int)r->action),
audit_flag_to_name(r->flags));
// Now find the arch and print it
for (i = 0; i < r->field_count; i++) {
int field = r->fields[i] & ~AUDIT_OPERATORS;
if (field == AUDIT_ARCH) {
int op = r->fieldflags[i] & AUDIT_OPERATORS;
mach = print_arch(r->values[i], op);
}
}
// And last do the syscalls
count = print_syscall(r, &sc);
}
// Now iterate over the fields
for (i = 0; i < r->field_count; i++) {
const char *name;
int op = r->fieldflags[i] & AUDIT_OPERATORS;
int field = r->fields[i] & ~AUDIT_OPERATORS;
if (field == AUDIT_ARCH)
continue; // already printed
name = audit_field_to_name(field);
if (name) {
// Special cases to print the different field types
// in a meaningful way.
if (field == AUDIT_MSGTYPE) {
if (!audit_msg_type_to_name(r->values[i]))
printf(" -F %s%s%d", name,
audit_operator_to_symbol(op),
r->values[i]);
else
printf(" -F %s%s%s", name,
audit_operator_to_symbol(op),
audit_msg_type_to_name(
r->values[i]));
} else if ((field >= AUDIT_SUBJ_USER &&
field <= AUDIT_OBJ_LEV_HIGH)
&& field != AUDIT_PPID) {
printf(" -F %s%s%.*s", name,
audit_operator_to_symbol(op),
r->values[i], &r->buf[boffset]);
boffset += r->values[i];
} else if (field == AUDIT_WATCH) {
if (watch)
printf("-w %.*s", r->values[i],
&r->buf[boffset]);
else
printf(" -F path=%.*s", r->values[i],
&r->buf[boffset]);
boffset += r->values[i];
} else if (field == AUDIT_DIR) {
if (watch)
printf("-w %.*s/", r->values[i],
&r->buf[boffset]);
else
printf(" -F dir=%.*s", r->values[i],
&r->buf[boffset]);
boffset += r->values[i];
} else if (field == AUDIT_FILTERKEY) {
char *rkey, *ptr, *saved;
if (asprintf(&rkey, "%.*s", r->values[i],
&r->buf[boffset]) < 0)
rkey = NULL;
boffset += r->values[i];
ptr = strtok_r(rkey, key_sep, &saved);
while (ptr) {
if (watch)
printf(" -k %s", ptr);
else
printf(" -F key=%s", ptr);
ptr = strtok_r(NULL, key_sep, &saved);
}
free(rkey);
} else if (field == AUDIT_PERM) {
char perms[5];
int val=r->values[i];
perms[0] = 0;
if (val & AUDIT_PERM_READ)
strcat(perms, "r");
if (val & AUDIT_PERM_WRITE)
strcat(perms, "w");
if (val & AUDIT_PERM_EXEC)
strcat(perms, "x");
if (val & AUDIT_PERM_ATTR)
strcat(perms, "a");
if (watch)
printf(" -p %s", perms);
else
printf(" -F perm=%s", perms);
} else if (field == AUDIT_INODE) {
// This is unsigned
printf(" -F %s%s%u", name,
audit_operator_to_symbol(op),
r->values[i]);
} else if (field == AUDIT_FIELD_COMPARE) {
print_field_cmp(r->values[i], op);
} else if (field >= AUDIT_ARG0 && field <= AUDIT_ARG3){
if (field == AUDIT_ARG0)
a0 = r->values[i];
else if (field == AUDIT_ARG1)
a1 = r->values[i];
// Show these as hex
if (count > 1 || interpret == 0)
printf(" -F %s%s0x%X", name,
audit_operator_to_symbol(op),
r->values[i]);
else { // Use ignore to mean interpret
const char *out;
idata id;
char val[32];
int type;
id.syscall = sc;
id.machine = mach;
id.a0 = a0;
id.a1 = a1;
id.name = name;
snprintf(val, 32, "%x", r->values[i]);
id.val = val;
type = auparse_interp_adjust_type(
AUDIT_SYSCALL, name, val);
out = auparse_do_interpretation(type,
&id);
printf(" -F %s%s%s", name,
audit_operator_to_symbol(op),
out);
free((void *)out);
}
} else if (field == AUDIT_EXIT) {
int e = abs((int)r->values[i]);
const char *err = audit_errno_to_name(e);
if (((int)r->values[i] < 0) && err)
printf(" -F %s%s-%s", name,
audit_operator_to_symbol(op),
err);
else
printf(" -F %s%s%d", name,
audit_operator_to_symbol(op),
(int)r->values[i]);
} else {
// The default is signed decimal
printf(" -F %s%s%d", name,
audit_operator_to_symbol(op),
r->values[i]);
}
} else {
// The field name is unknown
printf(" f%d%s%d", r->fields[i],
audit_operator_to_symbol(op),
r->values[i]);
}
}
printf("\n");
}
static void print_field_cmp(int value, int op)
{
switch (value)
{
case AUDIT_COMPARE_UID_TO_OBJ_UID:
printf(" -C uid%sobj_uid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_OBJ_GID:
printf(" -C gid%sobj_gid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EUID_TO_OBJ_UID:
printf(" -C euid%sobj_uid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EGID_TO_OBJ_GID:
printf(" -C egid%sobj_gid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_OBJ_UID:
printf(" -C auid%sobj_uid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SUID_TO_OBJ_UID:
printf(" -C suid%sobj_uid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SGID_TO_OBJ_GID:
printf(" -C sgid%sobj_gid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_FSUID_TO_OBJ_UID:
printf(" -C fsuid%sobj_uid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_FSGID_TO_OBJ_GID:
printf(" -C fsgid%sobj_gid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_AUID:
printf(" -C uid%sauid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_EUID:
printf(" -C uid%seuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_FSUID:
printf(" -C uid%sfsuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_SUID:
printf(" -C uid%ssuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_FSUID:
printf(" -C auid%sfsuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_SUID:
printf(" -C auid%ssuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_EUID:
printf(" -C auid%seuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EUID_TO_SUID:
printf(" -C euid%ssuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EUID_TO_FSUID:
printf(" -C euid%sfsuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SUID_TO_FSUID:
printf(" -C suid%sfsuid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_EGID:
printf(" -C gid%segid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_FSGID:
printf(" -C gid%sfsgid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_SGID:
printf(" -C gid%ssgid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EGID_TO_FSGID:
printf(" -C egid%sfsgid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EGID_TO_SGID:
printf(" -C egid%ssgid",
audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SGID_TO_FSGID:
printf(" -C sgid%sfsgid",
audit_operator_to_symbol(op));
break;
}
}
/*
* This function interprets the reply and prints it to stdout. It returns
* 0 if no more should be read and 1 to indicate that more messages of this
* type may need to be read.
*/
static int audit_print_reply(struct audit_reply *rep)
{
unsigned int i;
int first;
int sparse;
int machine = audit_detect_machine();
size_t boffset;
int show_syscall;
_audit_elf = 0;
switch (rep->type) {
case NLMSG_NOOP:
return 1;
case NLMSG_DONE:
if (printed == 0)
printf("No rules\n");
return 0;
case NLMSG_ERROR:
printf("NLMSG_ERROR %d (%s)\n",
-rep->error->error,
strerror(-rep->error->error));
printed = 1;
return 0;
case AUDIT_GET:
printf("AUDIT_STATUS: enabled=%d flag=%d pid=%d"
" rate_limit=%d backlog_limit=%d lost=%d backlog=%u\n",
rep->status->enabled, rep->status->failure,
rep->status->pid, rep->status->rate_limit,
rep->status->backlog_limit, rep->status->lost,
rep->status->backlog);
printed = 1;
return 0;
case AUDIT_LIST_RULES:
list_requested = 0;
boffset = 0;
show_syscall = 1;
if (key_match(rep) == 0)
return 1;
printed = 1;
printf("%s: %s,%s", audit_msg_type_to_name(rep->type),
audit_flag_to_name((int)rep->ruledata->flags),
audit_action_to_name(rep->ruledata->action));
for (i = 0; i < rep->ruledata->field_count; i++) {
const char *name;
int op = rep->ruledata->fieldflags[i] &
AUDIT_OPERATORS;
int field = rep->ruledata->fields[i] &
~AUDIT_OPERATORS;
name = audit_field_to_name(field);
if (name) {
if (strcmp(name, "arch") == 0) {
_audit_elf =
rep->ruledata->values[i];
printf(" %s%s%u", name,
audit_operator_to_symbol(op),
(unsigned)rep->ruledata->values[i]);
}
else if (strcmp(name, "msgtype") == 0) {
if (!audit_msg_type_to_name(
rep->ruledata->values[i]))
printf(" %s%s%d", name,
audit_operator_to_symbol(op),
rep->ruledata->values[i]);
else {
printf(" %s%s%s", name,
audit_operator_to_symbol(op),
audit_msg_type_to_name(rep->ruledata->values[i]));
}
} else if ((field >= AUDIT_SUBJ_USER &&
field <= AUDIT_OBJ_LEV_HIGH)
&& field != AUDIT_PPID &&
rep->type == AUDIT_LIST_RULES) {
printf(" %s%s%.*s", name,
audit_operator_to_symbol(op),
rep->ruledata->values[i],
&rep->ruledata->buf[boffset]);
boffset +=
rep->ruledata->values[i];
} else if (field == AUDIT_WATCH) {
printf(" watch=%.*s",
rep->ruledata->values[i],
&rep->ruledata->buf[boffset]);
boffset +=
rep->ruledata->values[i];
} else if (field == AUDIT_DIR) {
printf(" dir=%.*s",
rep->ruledata->values[i],
&rep->ruledata->buf[boffset]);
boffset +=
rep->ruledata->values[i];
} else if (field == AUDIT_FILTERKEY) {
char *rkey, *ptr;
asprintf(&rkey, "%.*s",
rep->ruledata->values[i],
&rep->ruledata->buf[boffset]);
boffset +=
rep->ruledata->values[i];
ptr = strtok(rkey, key_sep);
while (ptr) {
printf(" key=%s", ptr);
ptr = strtok(NULL,
key_sep);
}
free(rkey);
} else if (field == AUDIT_PERM) {
char perms[5];
int val=rep->ruledata->values[i];
perms[0] = 0;
if (val & AUDIT_PERM_READ)
strcat(perms, "r");
if (val & AUDIT_PERM_WRITE)
strcat(perms, "w");
if (val & AUDIT_PERM_EXEC)
strcat(perms, "x");
if (val & AUDIT_PERM_ATTR)
strcat(perms, "a");
printf(" perm=%s", perms);
show_syscall = 0;
} else if (field == AUDIT_INODE) {
// Unsigned items
printf(" %s%s%u", name,
audit_operator_to_symbol(op),
rep->ruledata->values[i]);
} else if (field == AUDIT_FIELD_COMPARE) {
switch (rep->ruledata->values[i])
{
case AUDIT_COMPARE_UID_TO_OBJ_UID:
printf(" uid%sobj_uid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_OBJ_GID:
printf(" gid%sobj_gid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EUID_TO_OBJ_UID:
printf(" euid%sobj_uid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EGID_TO_OBJ_GID:
printf(" egid%sobj_gid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_OBJ_UID:
printf(" auid%sobj_uid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SUID_TO_OBJ_UID:
printf(" suid%sobj_uid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SGID_TO_OBJ_GID:
printf(" sgid%sobj_gid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_FSUID_TO_OBJ_UID:
printf(" fsuid%sobj_uid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_FSGID_TO_OBJ_GID:
printf(" fsgid%sobj_gid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_AUID:
printf(" uid%sauid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_EUID:
printf(" uid%seuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_FSUID:
printf(" uid%sfsuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_UID_TO_SUID:
printf(" uid%ssuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_FSUID:
printf(" auid%sfsuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_SUID:
printf(" auid%ssuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_AUID_TO_EUID:
printf(" auid%seuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EUID_TO_SUID:
printf(" euid%ssuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EUID_TO_FSUID:
printf(" euid%sfsuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SUID_TO_FSUID:
printf(" suid%sfsuid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_EGID:
printf(" gid%segid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_FSGID:
printf(" gid%sfsgid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_GID_TO_SGID:
printf(" gid%ssgid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EGID_TO_FSGID:
printf(" egid%sfsgid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_EGID_TO_SGID:
printf(" egid%ssgid",audit_operator_to_symbol(op));
break;
case AUDIT_COMPARE_SGID_TO_FSGID:
printf(" sgid%sfsgid",audit_operator_to_symbol(op));
break;
}
} else {
// Signed items
printf(" %s%s%d", name,
audit_operator_to_symbol(op),
rep->ruledata->values[i]);
}
} else {
printf(" f%d%s%d", rep->ruledata->fields[i],
audit_operator_to_symbol(op),
rep->ruledata->values[i]);
}
/* Avoid printing value if the field type is
* known to return a string. */
if (rep->ruledata->values[i] &&
(field < AUDIT_SUBJ_USER ||
field > AUDIT_SUBJ_CLR) &&
field != AUDIT_WATCH &&
field != AUDIT_FILTERKEY &&
field != AUDIT_PERM &&
field != AUDIT_FIELD_COMPARE)
printf(" (0x%x)", rep->ruledata->values[i]);
}
if (show_syscall &&
((rep->ruledata->flags & AUDIT_FILTER_MASK) !=
AUDIT_FILTER_USER) &&
((rep->ruledata->flags & AUDIT_FILTER_MASK) !=
AUDIT_FILTER_TASK) &&
((rep->ruledata->flags & AUDIT_FILTER_MASK) !=
AUDIT_FILTER_EXCLUDE)) {
printf(" syscall=");
for (sparse = 0, i = 0;
i < (AUDIT_BITMASK_SIZE-1); i++) {
if (rep->ruledata->mask[i] != (uint32_t)~0)
sparse = 1;
}
if (!sparse) {
printf("all");
} else for (first = 1, i = 0;
i < AUDIT_BITMASK_SIZE * 32; i++) {
int word = AUDIT_WORD(i);
int bit = AUDIT_BIT(i);
if (rep->ruledata->mask[word] & bit) {
const char *ptr;
if (_audit_elf)
machine =
audit_elf_to_machine(
_audit_elf);
if (machine < 0)
ptr = NULL;
else
ptr =
audit_syscall_to_name(i,
machine);
if (ptr)
printf("%s%s",
first ? "" : ",", ptr);
else
printf("%s%d",
first ? "" : ",", i);
first = 0;
}
}
}
printf("\n");
return 1; /* get more messages until NLMSG_DONE */
default:
printf("Unknown: type=%d, len=%d\n", rep->type,
rep->nlh->nlmsg_len);
printed = 1;
return 0;
}
}
int audit_rule_fieldpair(struct audit_rule *rule, const char *pair, int flags)
{
const char *f = pair;
char *v;
int op;
int field;
int vlen;
if (f == NULL)
return -1;
/* look for 2-char operators first
then look for 1-char operators afterwards
when found, null out the bytes under the operators to split
and set value pointer just past operator bytes
*/
if ( (v = strstr(pair, "!=")) ) {
*v++ = '\0';
*v++ = '\0';
op = AUDIT_NEGATE; // legacy
// op = AUDIT_NOT_EQUAL;
} else if ( (v = strstr(pair, ">")) ) {
return -10;
} else if ( (v = strstr(pair, "<")) ) {
return -10;
} else if ( (v = strstr(pair, "&")) ) {
return -10;
} else if ( (v = strstr(pair, "=")) ) {
*v++ = '\0';
op = 0; // legacy
// op = AUDIT_EQUAL;
}
if (v == NULL)
return -1;
if (*f == 0)
return -22;
if (*v == 0)
return -20;
audit_msg(LOG_DEBUG,"pair=%s\n", f);
if ((field = audit_name_to_field(f)) < 0)
return -2;
/* Exclude filter can be used only with MSGTYPE field */
if (flags == AUDIT_FILTER_EXCLUDE && field != AUDIT_MSGTYPE)
return -12;
audit_msg(LOG_DEBUG,"f%d%s%s\n", field, audit_operator_to_symbol(op),v);
rule->fields[rule->field_count] = field | op;
switch (field)
{
case AUDIT_UID:
case AUDIT_EUID:
case AUDIT_SUID:
case AUDIT_FSUID:
case AUDIT_LOGINUID:
// Do positive & negative separate for 32 bit systems
vlen = strlen(v);
if (isdigit((char)*(v)))
rule->values[rule->field_count] =
strtoul(v, NULL, 0);
else if (vlen >= 2 && *(v)=='-' &&
(isdigit((char)*(v+1))))
rule->values[rule->field_count] =
strtol(v, NULL, 0);
else {
if (name_to_uid(v,
&rule->values[rule->field_count])) {
audit_msg(LOG_ERR, "Unknown user: %s",
v);
return -2;
}
}
break;
case AUDIT_GID:
case AUDIT_EGID:
case AUDIT_SGID:
case AUDIT_FSGID:
if (isdigit((char)*(v)))
rule->values[rule->field_count] =
strtol(v, NULL, 0);
else {
if (name_to_gid(v,
&rule->values[rule->field_count])) {
audit_msg(LOG_ERR, "Unknown group: %s",
v);
return -2;
}
}
break;
case AUDIT_EXIT:
if (flags != AUDIT_FILTER_EXIT)
return -7;
vlen = strlen(v);
if (isdigit((char)*(v)))
rule->values[rule->field_count] =
strtol(v, NULL, 0);
else if (vlen >= 2 && *(v)=='-' &&
(isdigit((char)*(v+1))))
rule->values[rule->field_count] =
strtol(v, NULL, 0);
else {
rule->values[rule->field_count] =
audit_name_to_errno(v);
if (rule->values[rule->field_count] == 0)
return -15;
}
break;
case AUDIT_MSGTYPE:
if (flags != AUDIT_FILTER_EXCLUDE)
return -9;
if (isdigit((char)*(v)))
rule->values[rule->field_count] =
strtol(v, NULL, 0);
else
if (audit_name_to_msg_type(v) > 0)
rule->values[rule->field_count] =
audit_name_to_msg_type(v);
else
return -8;
break;
case AUDIT_ARCH:
if (audit_syscalladded)
return -3;
if (!(op == AUDIT_NEGATE || op == 0))
return -13;
if (isdigit((char)*(v))) {
int machine;
errno = 0;
audit_elf = strtoul(v, NULL, 0);
if (errno)
return -5;
// Make sure we have a valid mapping
machine = audit_elf_to_machine(audit_elf);
if (machine < 0)
return -5;
}
else {
// what do we want? i686, x86_64, ia64
// or b64, b32
int machine;
unsigned int bits=0, elf;
const char *arch=v;
if (strcasecmp("b64", arch) == 0) {
bits = __AUDIT_ARCH_64BIT;
machine = audit_detect_machine();
} else if (strcasecmp("b32", arch) == 0) {
bits = ~__AUDIT_ARCH_64BIT;
machine = audit_detect_machine();
}
else
machine = audit_name_to_machine(arch);
if (machine < 0)
return -4;
/* Here's where we fixup the machine.
* for example, they give x86_64 & want 32 bits.
* we translate that to i686. */
if (bits == ~__AUDIT_ARCH_64BIT &&
machine == MACH_86_64)
machine = MACH_X86;
else if (bits == ~__AUDIT_ARCH_64BIT &&
machine == MACH_PPC64)
machine = MACH_PPC;
else if (bits == ~__AUDIT_ARCH_64BIT &&
machine == MACH_S390X)
machine = MACH_S390;
/* Check for errors - return -6
* We don't allow 32 bit machines to specify
* 64 bit. */
switch (machine)
{
case MACH_X86:
if (bits == __AUDIT_ARCH_64BIT)
return -6;
break;
case MACH_IA64:
if (bits == ~__AUDIT_ARCH_64BIT)
return -6;
break;
case MACH_PPC:
if (bits == __AUDIT_ARCH_64BIT)
return -6;
break;
case MACH_S390:
if (bits == __AUDIT_ARCH_64BIT)
return -6;
break;
case MACH_86_64: /* fallthrough */
case MACH_PPC64: /* fallthrough */
case MACH_S390X: /* fallthrough */
break;
default:
return -6;
}
/* OK, we have the machine type, now convert
to elf. */
elf = audit_machine_to_elf(machine);
if (elf == 0)
return -5;
audit_elf = elf;
}
rule->values[rule->field_count] = audit_elf;
audit_archadded = 1;
break;
case AUDIT_FILETYPE:
if (flags != AUDIT_FILTER_EXIT && flags != AUDIT_FILTER_ENTRY)
return -17;
rule->values[rule->field_count] =
audit_name_to_ftype(v);
if (rule->values[rule->field_count] < 0) {
return -16;
}
break;
/* These are strings */
case AUDIT_SUBJ_USER:
case AUDIT_SUBJ_ROLE:
case AUDIT_SUBJ_TYPE:
case AUDIT_SUBJ_SEN:
case AUDIT_SUBJ_CLR:
case AUDIT_OBJ_USER:
case AUDIT_OBJ_ROLE:
case AUDIT_OBJ_TYPE:
case AUDIT_OBJ_LEV_LOW:
case AUDIT_OBJ_LEV_HIGH:
case AUDIT_WATCH:
case AUDIT_PERM:
case AUDIT_DIR:
case AUDIT_FILTERKEY:
return -10;
case AUDIT_ARG0...AUDIT_ARG3:
vlen = strlen(v);
if (isdigit((char)*(v)))
rule->values[rule->field_count] =
strtoul(v, NULL, 0);
else if (vlen >= 2 && *(v)=='-' &&
(isdigit((char)*(v+1))))
rule->values[rule->field_count] =
strtol(v, NULL, 0);
else
return -21;
break;
case AUDIT_DEVMAJOR...AUDIT_INODE:
case AUDIT_SUCCESS:
if (flags != AUDIT_FILTER_EXIT)
return -7;
/* fallthrough */
default:
if (field == AUDIT_INODE) {
if (!(op == AUDIT_NEGATE || op == 0))
return -13;
}
if (field == AUDIT_PPID && (flags != AUDIT_FILTER_EXIT
&& flags != AUDIT_FILTER_ENTRY))
return -17;
if (flags == AUDIT_FILTER_EXCLUDE)
return -18;
if (!isdigit((char)*(v)))
return -21;
if (field == AUDIT_INODE)
rule->values[rule->field_count] =
strtoul(v, NULL, 0);
else
rule->values[rule->field_count] =
strtol(v, NULL, 0);
break;
}
++rule->field_count;
return 0;
}
