diff options
| -rw-r--r-- | src/cmds/ntux_cmd_chmod.c | 78 |
1 files changed, 60 insertions, 18 deletions
diff --git a/src/cmds/ntux_cmd_chmod.c b/src/cmds/ntux_cmd_chmod.c index 04ebad6..7be2bc8 100644 --- a/src/cmds/ntux_cmd_chmod.c +++ b/src/cmds/ntux_cmd_chmod.c @@ -22,10 +22,16 @@ #include "ntux_driver_impl.h" #include "ntux_nolibc_impl.h" #include "ntux_errinfo_impl.h" +#include "nolibc/stdbool.h" #define __SID_SYSTEM {1,1,{{0,0,0,0,0,5}},{18}} #define __SID_ADMINISTRATORS {1,2,{{0,0,0,0,0,5}},{32,544}} +#define NTUX_OPT_MODE_NEUTRAL (0) +#define NTUX_OPT_MODE_EQUAL (1) +#define NTUX_OPT_MODE_PLUS (2) +#define NTUX_OPT_MODE_MINUS (3) + static const nt_sid sid_system = __SID_SYSTEM; static const nt_sid_os sid_admins = __SID_ADMINISTRATORS; @@ -61,6 +67,9 @@ int ntux_cmd_chmod(const struct ntux_driver_ctx * dctx, const char * dunit) int32_t status; int fdout; int fdcwd; + int optmode; + const char * strmode; + const char * chmode; const unsigned char * unit; nt_sd * srcsd; nt_sd_common_buffer dstsd; @@ -77,24 +86,57 @@ int ntux_cmd_chmod(const struct ntux_driver_ctx * dctx, const char * dunit) int fd = -1; struct __ofd * ofd = 0; void * hasync = 0; - uint32_t buf[0x300]; - - /* ACE propagation: +p, -p */ - if (!dctx->cctx->strmode) - ace_flags = 0; - - else if (!strcmp(dctx->cctx->strmode,"+p")) - ace_flags = NT_ACE_CONTAINER_INHERIT | NT_ACE_OBJECT_INHERIT; - - else if (!strcmp(dctx->cctx->strmode,"-p")) - ace_flags = 0; - - else - return ntux_cmd_chmod_ret( - 0,0,0, - NTUX_CUSTOM_ERROR( - dctx, - NTUX_ERR_FLEE_ERROR)); + uint32_t buf[0x300] = {0}; + + /* strmode */ + strmode = dctx->cctx->strmode ? dctx->cctx->strmode : (char *)buf; + optmode = NTUX_OPT_MODE_NEUTRAL; + ace_flags = 0; + + for (chmode=strmode; *chmode; chmode++) { + switch (*chmode) { + case '=': + optmode = NTUX_OPT_MODE_EQUAL; + ace_flags = 0; + break; + + case '+': + optmode = NTUX_OPT_MODE_PLUS; + break; + + case '-': + optmode = NTUX_OPT_MODE_MINUS; + break; + + case 'p': + switch (optmode) { + case NTUX_OPT_MODE_EQUAL: + case NTUX_OPT_MODE_PLUS: + ace_flags = NT_ACE_CONTAINER_INHERIT | NT_ACE_OBJECT_INHERIT; + break; + + case NTUX_OPT_MODE_MINUS: + ace_flags = 0; + break; + + default: + return ntux_cmd_chmod_ret( + 0,0,0, + NTUX_CUSTOM_ERROR( + dctx, + NTUX_ERR_FLEE_ERROR)); + } + + break; + + default: + return ntux_cmd_chmod_ret( + 0,0,0, + NTUX_CUSTOM_ERROR( + dctx, + NTUX_ERR_FLEE_ERROR)); + } + } /* initial --owner and --group support: Administrators, SYSTEM */ owner = 0; |