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authorHaru <haru@dotalux.com>2020-05-03 23:44:32 +0200
committerHaru <haru@dotalux.com>2020-05-04 02:10:26 +0200
commit647a5e7ed42d9c711176bf34a6065823564dfa24 (patch)
tree218f4f9260006272b3ef67ca9b2d5c68413722fa /src/char/char.c
parentbfa423fea55aa5659506cf85e6c418346804ac89 (diff)
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Sanitize the use of the enum e_skill_flag values, especially SKILL_FLAG_REPLACED_LV_0
This ensures that a negative level is never saved to the database and hopefully helps catching any coding errors that would lead to that. Signed-off-by: Haru <haru@dotalux.com>
Diffstat (limited to 'src/char/char.c')
-rw-r--r--src/char/char.c56
1 files changed, 30 insertions, 26 deletions
diff --git a/src/char/char.c b/src/char/char.c
index aac9ad20c..0406dbecf 100644
--- a/src/char/char.c
+++ b/src/char/char.c
@@ -425,8 +425,6 @@ static struct DBData char_create_charstatus(union DBKey key, va_list args)
static int char_mmo_char_tosql(int char_id, struct mmo_charstatus *p)
{
- int i = 0;
- int count = 0;
int diff = 0;
char save_status[128]; //For displaying save information. [Skotlex]
struct mmo_charstatus *cp;
@@ -591,8 +589,9 @@ static int char_mmo_char_tosql(int char_id, struct mmo_charstatus *p)
//insert here.
StrBuf->Clear(&buf);
StrBuf->Printf(&buf, "INSERT INTO `%s`(`char_id`,`map`,`x`,`y`) VALUES ", memo_db);
- for( i = 0, count = 0; i < MAX_MEMOPOINTS; ++i )
- {
+
+ int count = 0;
+ for (int i = 0; i < MAX_MEMOPOINTS; ++i) {
if( p->memo_point[i].map )
{
if( count )
@@ -624,24 +623,29 @@ static int char_mmo_char_tosql(int char_id, struct mmo_charstatus *p)
StrBuf->Clear(&buf);
StrBuf->Printf(&buf, "INSERT INTO `%s`(`char_id`,`id`,`lv`,`flag`) VALUES ", skill_db);
//insert here.
- for (i = 0, count = 0; i < MAX_SKILL_DB; ++i) {
- if( p->skill[i].id != 0 && p->skill[i].flag != SKILL_FLAG_TEMPORARY ) {
- if( p->skill[i].lv == 0 && ( p->skill[i].flag == SKILL_FLAG_PERM_GRANTED || p->skill[i].flag == SKILL_FLAG_PERMANENT ) )
- continue;
- if( p->skill[i].flag != SKILL_FLAG_PERMANENT && p->skill[i].flag != SKILL_FLAG_PERM_GRANTED && (p->skill[i].flag - SKILL_FLAG_REPLACED_LV_0) == 0 )
- continue;
- if( count )
- StrBuf->AppendStr(&buf, ",");
- StrBuf->Printf(&buf, "('%d','%d','%d','%d')", char_id, p->skill[i].id,
- ( (p->skill[i].flag == SKILL_FLAG_PERMANENT || p->skill[i].flag == SKILL_FLAG_PERM_GRANTED) ? p->skill[i].lv : p->skill[i].flag - SKILL_FLAG_REPLACED_LV_0),
- p->skill[i].flag == SKILL_FLAG_PERM_GRANTED ? p->skill[i].flag : 0);/* other flags do not need to be saved */
- ++count;
- }
+ int count = 0;
+ for (int i = 0; i < MAX_SKILL_DB; ++i) {
+ if (p->skill[i].id == 0)
+ continue;
+ if (p->skill[i].flag == SKILL_FLAG_TEMPORARY)
+ continue;
+ if (p->skill[i].lv == 0 && (p->skill[i].flag == SKILL_FLAG_PERM_GRANTED || p->skill[i].flag == SKILL_FLAG_PERMANENT))
+ continue;
+ if (p->skill[i].flag == SKILL_FLAG_REPLACED_LV_0)
+ continue;
+
+ if (Assert_chk(p->skill[i].flag == SKILL_FLAG_PERMANENT || p->skill[i].flag == SKILL_FLAG_PERM_GRANTED || p->skill[i].flag > SKILL_FLAG_REPLACED_LV_0))
+ continue;
+ if (count != 0)
+ StrBuf->AppendStr(&buf, ",");
+ int saved_lv = (p->skill[i].flag > SKILL_FLAG_REPLACED_LV_0) ? p->skill[i].flag - SKILL_FLAG_REPLACED_LV_0 : p->skill[i].lv;
+ int saved_flag = p->skill[i].flag == SKILL_FLAG_PERM_GRANTED ? p->skill[i].flag : 0; // other flags do not need to be saved
+ StrBuf->Printf(&buf, "('%d','%d','%d','%d')", char_id, p->skill[i].id, saved_lv, saved_flag);
+
+ ++count;
}
- if( count )
- {
- if( SQL_ERROR == SQL->QueryStr(inter->sql_handle, StrBuf->Value(&buf)) )
- {
+ if (count != 0) {
+ if (SQL_ERROR == SQL->QueryStr(inter->sql_handle, StrBuf->Value(&buf))) {
Sql_ShowDebug(inter->sql_handle);
errors++;
}
@@ -651,7 +655,7 @@ static int char_mmo_char_tosql(int char_id, struct mmo_charstatus *p)
}
diff = 0;
- for(i = 0; i < MAX_FRIENDS; i++){
+ for (int i = 0; i < MAX_FRIENDS; i++) {
if(p->friends[i].char_id != cp->friends[i].char_id ||
p->friends[i].account_id != cp->friends[i].account_id){
diff = 1;
@@ -669,8 +673,8 @@ static int char_mmo_char_tosql(int char_id, struct mmo_charstatus *p)
StrBuf->Clear(&buf);
StrBuf->Printf(&buf, "INSERT INTO `%s` (`char_id`, `friend_account`, `friend_id`) VALUES ", friend_db);
- for( i = 0, count = 0; i < MAX_FRIENDS; ++i )
- {
+ int count = 0;
+ for (int i = 0; i < MAX_FRIENDS; ++i) {
if( p->friends[i].char_id > 0 )
{
if( count )
@@ -695,7 +699,7 @@ static int char_mmo_char_tosql(int char_id, struct mmo_charstatus *p)
StrBuf->Clear(&buf);
StrBuf->Printf(&buf, "REPLACE INTO `%s` (`char_id`, `hotkey`, `type`, `itemskill_id`, `skill_lvl`) VALUES ", hotkey_db);
diff = 0;
- for(i = 0; i < ARRAYLENGTH(p->hotkeys); i++){
+ for (int i = 0; i < ARRAYLENGTH(p->hotkeys); i++) {
if(memcmp(&p->hotkeys[i], &cp->hotkeys[i], sizeof(struct hotkey)))
{
if( diff )
@@ -1369,7 +1373,7 @@ static int char_mmo_char_fromsql(int char_id, struct mmo_charstatus *p, bool loa
SqlStmt_ShowDebug(stmt);
}
- if( tmp_skill.flag != SKILL_FLAG_PERM_GRANTED )
+ if (tmp_skill.flag != SKILL_FLAG_PERM_GRANTED)
tmp_skill.flag = SKILL_FLAG_PERMANENT;
for (i = 0; i < MAX_SKILL_DB && SQL_SUCCESS == SQL->StmtNextRow(stmt); ++i) {