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Let other uids (temporarily) set their mapping.

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This commit is contained in:
Ben Gras 2006-01-20 12:43:19 +00:00
parent a321c12f75
commit 3bddaaf580
2 changed files with 3 additions and 1 deletions
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1
servers/fs/const.h
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@ -28,6 +28,7 @@
/* Miscellaneous constants */ /* Miscellaneous constants */
#define SU_UID ((uid_t) 0) /* super_user's uid_t */ #define SU_UID ((uid_t) 0) /* super_user's uid_t */
#define SERVERS_UID ((uid_t) 11) /* who may do FSSIGNON */
#define SYS_UID ((uid_t) 0) /* uid_t for processes MM and INIT */ #define SYS_UID ((uid_t) 0) /* uid_t for processes MM and INIT */
#define SYS_GID ((gid_t) 0) /* gid_t for processes MM and INIT */ #define SYS_GID ((gid_t) 0) /* gid_t for processes MM and INIT */
#define NORMAL 0 /* forces get_block to do disk read */ #define NORMAL 0 /* forces get_block to do disk read */

3
servers/fs/misc.c
View File

@ -496,7 +496,8 @@ PUBLIC int do_svrctl()
struct fssignon device; struct fssignon device;
int r, major; int r, major;
if (fp->fp_effuid != SU_UID) return(EPERM); if (fp->fp_effuid != SU_UID && fp->fp_effuid != SERVERS_UID)
return(EPERM);
/* Try to copy request structure to FS. */ /* Try to copy request structure to FS. */
if ((r = sys_datacopy(who, (vir_bytes) m_in.svrctl_argp, if ((r = sys_datacopy(who, (vir_bytes) m_in.svrctl_argp,