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tomoyo: Coding style fix.

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Follow many of recommendations by scripts/checkpatch.pl, and follow
"lift switch variables out of switches" by Kees Cook.
This patch makes no functional change.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.morris@microsoft.com>
This commit is contained in:
Tetsuo Handa
2019-01-24 18:37:35 +09:00
committed by James Morris
parent 8c6cb983cd
commit cdcf6723ad
15 changed files with 309 additions and 105 deletions
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31
security/tomoyo/audit.c
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@@ -32,6 +32,7 @@ static char *tomoyo_print_bprm(struct linux_binprm *bprm,
int argv_count = bprm->argc;
int envp_count = bprm->envc;
bool truncated = false;
if (!buffer)
return NULL;
len = snprintf(buffer, tomoyo_buffer_len - 1, "argv[]={ ");
@@ -49,6 +50,7 @@ static char *tomoyo_print_bprm(struct linux_binprm *bprm,
while (offset < PAGE_SIZE) {
const char *kaddr = dump->data;
const unsigned char c = kaddr[offset++];
if (cp == last_start)
*cp++ = '"';
if (cp >= buffer + tomoyo_buffer_len - 32) {
@@ -154,19 +156,18 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
char *buffer = kmalloc(tomoyo_buffer_len, GFP_NOFS);
int pos;
u8 i;
if (!buffer)
return NULL;
tomoyo_convert_time(ktime_get_real_seconds(), &stamp);
pos = snprintf(buffer, tomoyo_buffer_len - 1,
"#%04u/%02u/%02u %02u:%02u:%02u# profile=%u mode=%s "
"granted=%s (global-pid=%u) task={ pid=%u ppid=%u "
"uid=%u gid=%u euid=%u egid=%u suid=%u sgid=%u "
"fsuid=%u fsgid=%u }", stamp.year, stamp.month,
stamp.day, stamp.hour, stamp.min, stamp.sec, r->profile,
tomoyo_mode[r->mode], tomoyo_yesno(r->granted), gpid,
tomoyo_sys_getpid(), tomoyo_sys_getppid(),
"#%04u/%02u/%02u %02u:%02u:%02u# profile=%u mode=%s granted=%s (global-pid=%u) task={ pid=%u ppid=%u uid=%u gid=%u euid=%u egid=%u suid=%u sgid=%u fsuid=%u fsgid=%u }",
stamp.year, stamp.month, stamp.day, stamp.hour,
stamp.min, stamp.sec, r->profile, tomoyo_mode[r->mode],
tomoyo_yesno(r->granted), gpid, tomoyo_sys_getpid(),
tomoyo_sys_getppid(),
from_kuid(&init_user_ns, current_uid()),
from_kgid(&init_user_ns, current_gid()),
from_kuid(&init_user_ns, current_euid()),
@@ -185,6 +186,7 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
struct tomoyo_mini_stat *stat;
unsigned int dev;
umode_t mode;
if (!obj->stat_valid[i])
continue;
stat = &obj->stat[i];
@@ -193,8 +195,8 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
if (i & 1) {
pos += snprintf(buffer + pos,
tomoyo_buffer_len - 1 - pos,
" path%u.parent={ uid=%u gid=%u "
"ino=%lu perm=0%o }", (i >> 1) + 1,
" path%u.parent={ uid=%u gid=%u ino=%lu perm=0%o }",
(i >> 1) + 1,
from_kuid(&init_user_ns, stat->uid),
from_kgid(&init_user_ns, stat->gid),
(unsigned long)stat->ino,
@@ -202,8 +204,8 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
continue;
}
pos += snprintf(buffer + pos, tomoyo_buffer_len - 1 - pos,
" path%u={ uid=%u gid=%u ino=%lu major=%u"
" minor=%u perm=0%o type=%s", (i >> 1) + 1,
" path%u={ uid=%u gid=%u ino=%lu major=%u minor=%u perm=0%o type=%s",
(i >> 1) + 1,
from_kuid(&init_user_ns, stat->uid),
from_kgid(&init_user_ns, stat->gid),
(unsigned long)stat->ino,
@@ -249,6 +251,7 @@ char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
const char *symlink = NULL;
int pos;
const char *domainname = r->domain->domainname->name;
header = tomoyo_print_header(r);
if (!header)
return NULL;
@@ -256,6 +259,7 @@ char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
len += strlen(domainname) + strlen(header) + 10;
if (r->ee) {
struct file *file = r->ee->bprm->file;
realpath = tomoyo_realpath_from_path(&file->f_path);
bprm_info = tomoyo_print_bprm(r->ee->bprm, &r->ee->dump);
if (!realpath || !bprm_info)
@@ -275,6 +279,7 @@ char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
pos = snprintf(buf, len, "%s", header);
if (realpath) {
struct linux_binprm *bprm = r->ee->bprm;
pos += snprintf(buf + pos, len - pos,
" exec={ realpath=\"%s\" argc=%d envc=%d %s }",
realpath, bprm->argc, bprm->envc, bprm_info);
@@ -328,6 +333,7 @@ static bool tomoyo_get_audit(const struct tomoyo_policy_namespace *ns,
const u8 category = tomoyo_index2category[index] +
TOMOYO_MAX_MAC_INDEX;
struct tomoyo_profile *p;
if (!tomoyo_policy_loaded)
return false;
p = tomoyo_profile(ns, profile);
@@ -362,6 +368,7 @@ void tomoyo_write_log2(struct tomoyo_request_info *r, int len, const char *fmt,
char *buf;
struct tomoyo_log *entry;
bool quota_exceeded = false;
if (!tomoyo_get_audit(r->domain->ns, r->profile, r->type,
r->matched_acl, r->granted))
goto out;
@@ -413,6 +420,7 @@ void tomoyo_write_log(struct tomoyo_request_info *r, const char *fmt, ...)
{
va_list args;
int len;
va_start(args, fmt);
len = vsnprintf((char *) &len, 1, fmt, args) + 1;
va_end(args);
@@ -431,6 +439,7 @@ void tomoyo_write_log(struct tomoyo_request_info *r, const char *fmt, ...)
void tomoyo_read_log(struct tomoyo_io_buffer *head)
{
struct tomoyo_log *ptr = NULL;
if (head->r.w_pos)
return;
kfree(head->read_buf);