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| author | Paradox924X <Paradox924X@54d463be-8e91-2dee-dedb-b68131a5f0ec> | 2008-10-24 21:32:59 +0000 |
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| committer | Paradox924X <Paradox924X@54d463be-8e91-2dee-dedb-b68131a5f0ec> | 2008-10-24 21:32:59 +0000 |
| commit | d0444d585daf3f0203adb5779371e2e2cef57adf (patch) | |
| tree | 0bf2363d68dcec5a3039239dbc2937b42cc1ad2a /src/map | |
| parent | 7c8415b104a7350f0ae76f73dcbd47c8f8f11224 (diff) | |
| download | hercules-d0444d585daf3f0203adb5779371e2e2cef57adf.tar.gz hercules-d0444d585daf3f0203adb5779371e2e2cef57adf.tar.bz2 hercules-d0444d585daf3f0203adb5779371e2e2cef57adf.tar.xz hercules-d0444d585daf3f0203adb5779371e2e2cef57adf.zip | |
Added protection from segfault by int overflow in charcommand heal and fixed a typo in atcommand heal. (Follow-up to r13321)
git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@13322 54d463be-8e91-2dee-dedb-b68131a5f0ec
Diffstat (limited to 'src/map')
| -rw-r--r-- | src/map/atcommand.c | 2 | ||||
| -rw-r--r-- | src/map/charcommand.c | 10 |
2 files changed, 10 insertions, 2 deletions
diff --git a/src/map/atcommand.c b/src/map/atcommand.c index b19481e39..260288690 100644 --- a/src/map/atcommand.c +++ b/src/map/atcommand.c @@ -1515,7 +1515,7 @@ int atcommand_heal(const int fd, struct map_session_data* sd, const char* comman if ( hp < -2147483647 || sp < -2147483647 ) { // Prevent overflow. [Paradox924X] status_damage(NULL, &sd->bl, 2147483647, 2147483647, 0, 0); - clif_damage(&sd->bl,&sd->bl, gettick(), 0, 0, -hp, 0 , 4, 0); + clif_damage(&sd->bl,&sd->bl, gettick(), 0, 0, 2147483647, 0 , 4, 0); clif_displaymessage(fd, msg_txt(156)); // HP or/and SP modified. return 0; } diff --git a/src/map/charcommand.c b/src/map/charcommand.c index b38f1611f..f3590e08d 100644 --- a/src/map/charcommand.c +++ b/src/map/charcommand.c @@ -1794,7 +1794,8 @@ int charcommand_heal(const int fd, struct map_session_data* sd, const char* comm return -1; } - if (hp == 0 && sp == 0) { + if ( ( hp == 0 && sp == 0 ) + || ( hp > 2147483647 || sp > 2147483647 ) ) { // Prevent overflow. [Paradox924X] if (!status_percent_heal(&pl_sd->bl, 100, 100)) clif_displaymessage(fd, msg_txt(157)); // HP and SP are already with the good value. else @@ -1805,6 +1806,13 @@ int charcommand_heal(const int fd, struct map_session_data* sd, const char* comm } return 0; } + + if ( hp < -2147483647 || sp < -2147483647 ) { // Prevent overflow. [Paradox924X] + status_damage(NULL, &pl_sd->bl, 2147483647, 2147483647, 0, 0); + clif_damage(&pl_sd->bl,&pl_sd->bl, gettick(), 0, 0, 2147483647, 0 , 4, 0); + clif_displaymessage(fd, msg_txt(156)); // HP or/and SP modified. + return 0; + } if(hp > 0 && sp >= 0) { if(!status_heal(&pl_sd->bl, hp, sp, 2)) |