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| author | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2002-07-03 02:54:28 +0800 |
|---|---|---|
| committer | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2002-07-03 02:54:28 +0800 |
| commit | 05716fc8878361d9ade7331c14b927188e668487 (patch) | |
| tree | 498ec8817db6014a3c2e4197ad3259232d53ee8e | |
| parent | e88b60055069a40d08073451030cd1bdab6e7522 (diff) | |
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secure .PASSWD
git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@406 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
| -rw-r--r-- | mbbsd/passwd.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/mbbsd/passwd.c b/mbbsd/passwd.c index 46ea1529..7e877ac4 100644 --- a/mbbsd/passwd.c +++ b/mbbsd/passwd.c @@ -1,4 +1,4 @@ -/* $Id: passwd.c,v 1.3 2002/06/30 14:33:14 in2 Exp $ */ +/* $Id: passwd.c,v 1.4 2002/07/02 18:54:28 in2 Exp $ */ #include "bbs.h" static int semid = -1; @@ -20,10 +20,7 @@ union semun { }; #endif -int PASSWDfd; int passwd_mmap() { - if( (PASSWDfd = open(fn_passwd, O_RDWR)) < 0 || PASSWDfd <= 1 ) - return -1; semid = semget(PASSWDSEM_KEY, 1, SEM_R | SEM_A | IPC_CREAT | IPC_EXCL); if(semid == -1) { if(errno == EEXIST) { @@ -60,19 +57,27 @@ int passwd_update_money(int num) { } int passwd_update(int num, userec_t *buf) { + int pwdfd; if(num < 1 || num > MAX_USERS) return -1; buf->money = moneyof(num); - lseek(PASSWDfd, sizeof(userec_t) * (num - 1), SEEK_SET); - write(PASSWDfd, buf, sizeof(userec_t)); + if( (pwdfd = open(fn_passwd, O_RDWR)) < 0 ) + exit(1); + lseek(pwdfd, sizeof(userec_t) * (num - 1), SEEK_SET); + write(pwdfd, buf, sizeof(userec_t)); + close(pwdfd); return 0; } int passwd_query(int num, userec_t *buf) { + int pwdfd; if(num < 1 || num > MAX_USERS) return -1; - lseek(PASSWDfd, sizeof(userec_t) * (num - 1), SEEK_SET); - read(PASSWDfd, buf, sizeof(userec_t)); + if( (pwdfd = open(fn_passwd, O_RDONLY)) < 0 ) + exit(1); + lseek(pwdfd, sizeof(userec_t) * (num - 1), SEEK_SET); + read(pwdfd, buf, sizeof(userec_t)); + close(pwdfd); return 0; } |