Date: Tue, 10 Sep 2013 09:38:02 GMT From: dpl@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r257185 - soc2013/dpl/head/contrib/xz/src/xz Message-ID: <201309100938.r8A9c2d0065791@socsvn.freebsd.org>
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Author: dpl Date: Tue Sep 10 09:38:02 2013 New Revision: 257185 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=257185 Log: Something's wrong here Modified: soc2013/dpl/head/contrib/xz/src/xz/file_io.c Modified: soc2013/dpl/head/contrib/xz/src/xz/file_io.c ============================================================================== --- soc2013/dpl/head/contrib/xz/src/xz/file_io.c Tue Sep 10 09:14:38 2013 (r257184) +++ soc2013/dpl/head/contrib/xz/src/xz/file_io.c Tue Sep 10 09:38:02 2013 (r257185) @@ -1020,19 +1020,27 @@ } #if defined(CAPSICUM) -void limitfd(int, unsigned long long); +void limitfd(int, cap_rights_t *rights); extern void limitpair(file_pair *pair) { + cap_rights_t dir_cap; + cap_rights_t src_cap; + cap_rights_t dest_cap; + + cap_rights_init(&dir_cap, CAP_FSTATAT, CAP_UNLINKAT, CAP_LOOKUP); + cap_rights_init(&src_cap, CAP_READ, CAP_SEEK); + cap_rights_init(&dest_cap, CAP_WRITE, CAP_FSTAT, CAP_FCHOWN, CAP_FCHMOD, CAP_FUTIMES); + if(pair->dir_fd != -1 ) - limitfd(pair->dir_fd, CAP_FSTATAT|CAP_UNLINKAT|CAP_LOOKUP); + limitfd(pair->dir_fd, &dir_cap); if(pair->src_fd != -1 ) - limitfd(pair->src_fd, CAP_READ|CAP_SEEK); + limitfd(pair->src_fd, &src_cap); if(pair->dest_fd != -1 ) - limitfd(pair->dest_fd, CAP_WRITE|CAP_FSTAT|CAP_FCHOWN|CAP_FCHMOD|CAP_FUTIMES); + limitfd(pair->dest_fd, &dest_cap); return; } @@ -1040,12 +1048,17 @@ extern void capsicum_enter(void) { - cap_rights_t rights; - - cap_rights_init(&rights); - limitfd( STDIN_FILENO, CAP_READ); - limitfd( STDOUT_FILENO, CAP_WRITE); - limitfd( STDERR_FILENO, CAP_WRITE); + cap_rights_t stdin_cap; + cap_rights_t stdout_cap; + cap_rights_t stderr_cap; + + cap_rights_init(&stdin_cap, CAP_READ); + cap_rights_init(&stdout_cap, CAP_WRITE); + cap_rights_init(&stderr_cap, CAP_WRITE); + + limitfd(&stdin_cap, CAP_READ); + limitfd(&stdout_cap, CAP_WRITE); + limitfd(&stderr_cap, CAP_WRITE); if (cap_enter() < 0 && errno != ENOSYS) { message_error("cap_enter: %s", strerror(errno)); @@ -1056,21 +1069,19 @@ } void -limitfd(int fd, unsigned long long cap) +limitfd(int fd, cap_rights_t *rights) { - cap_rights_t rights; - - cap_rights_init(&rights); - cap_rights_set(&rights, cap); + int rightsget; - if( cap_rights_get(fd, &rights) < 0 && errno != ENOSYS) { + rightsget = cap_rights_get(fd, rights); + if( rightsget < 0 && errno != ENOSYS) { message_error("%d: %s", fd, strerror(errno)); exit(E_ERROR); - } else { - if (cap_rights_limit(fd, &rights) < 0 && errno != ENOSYS){ - message_error("%d: %s", STDIN_FILENO, strerror(errno)); - exit(E_ERROR); - } + } + + if (cap_rights_limit(fd, rights) < 0 && errno != ENOSYS) { + message_error("%d: %s", STDIN_FILENO, strerror(errno)); + exit(E_ERROR); } } #endif /* CAPSICUM */
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