home *** CD-ROM | disk | FTP | other *** search
- head 1.2;
- access ;
- symbols ;
- locks ; strict;
- comment @ * @;
-
-
- 1.2
- date 88.06.21.16.50.41; author ouster; state Exp;
- branches ;
- next 1.1;
-
- 1.1
- date 88.06.19.14.31.31; author ouster; state Exp;
- branches ;
- next ;
-
-
- desc
- @@
-
-
- 1.2
- log
- @Forgot to eliminate io.h usage.
- @
- text
- @/*
- * id.c --
- *
- * Procedure to map from Unix *id system calls to Sprite. Note that
- * procedures dealing with group ID's (as opposed to user ID's and
- * process ID's) are contained in groupId.c.
- *
- * Copyright (C) 1986 Regents of the University of California
- * All rights reserved.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: id.c,v 1.1 88/06/19 14:31:31 ouster Exp $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <sprite.h>
- #include <proc.h>
-
- #include "compatInt.h"
-
-
- /*
- *----------------------------------------------------------------------
- *
- * getuid --
- *
- * Procedure to map from Unix getuid system call to Sprite Proc_GetIDs.
- *
- * Results:
- * UNIX_ERROR is returned upon error, with the actual error code
- * stored in errno. Upon success, the real user ID of the current
- * process is returned.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- int
- getuid()
- {
- ReturnStatus status; /* result returned by Proc_GetIDs */
- int userId; /* real user ID of current process */
-
- status = Proc_GetIDs((Proc_PID *) NULL, (Proc_PID *) NULL,
- &userId, (Proc_PID *) NULL);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(userId);
- }
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * geteuid --
- *
- * Procedure to map from Unix geteuid system call to Sprite Proc_GetIDs.
- *
- * Results:
- * UNIX_ERROR is returned upon error, with the actual error code
- * stored in errno. Upon success, the effective user ID of the current
- * process is returned.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- int
- geteuid()
- {
- ReturnStatus status; /* result returned by Proc_GetIDs */
- int userId; /* effective user ID of current process */
-
- status = Proc_GetIDs((Proc_PID *) NULL, (Proc_PID *) NULL,
- (Proc_PID *) NULL, &userId);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(userId);
- }
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * getpid --
- *
- * Procedure to map from Unix getpid system call to Sprite Proc_GetIDs.
- *
- * Results:
- * UNIX_ERROR is returned upon error, with the actual error code
- * stored in errno. Upon success, the process ID of the current
- * process is returned.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- int
- getpid()
- {
- ReturnStatus status; /* result returned by Proc_GetIDs */
- int pid; /* ID of current process */
-
- status = Proc_GetIDs(&pid, (Proc_PID *) NULL,
- (Proc_PID *) NULL, (Proc_PID *) NULL);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(pid);
- }
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * getppid --
- *
- * Procedure to map from Unix getppid system call to Sprite Proc_GetIDs.
- *
- * Results:
- * UNIX_ERROR is returned upon error, with the actual error code
- * stored in errno. Upon success, the ID of the parent of the current
- * process is returned.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- int
- getppid()
- {
- ReturnStatus status; /* result returned by Proc_GetIDs */
- int parentPid; /* ID of parent of current process */
-
- status = Proc_GetIDs((Proc_PID *) NULL, &parentPid,
- (Proc_PID *) NULL, (Proc_PID *) NULL);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(parentPid);
- }
- }
-
-
- /*
- *----------------------------------------------------------------------
- *
- * setreuid --
- *
- * Procedure to map from Unix setreuid system call to Sprite Proc_SetIDs.
- *
- * Results:
- * UNIX_ERROR is returned upon error, with the actual error code
- * stored in errno. Upon success, UNIX_SUCCESS is returned.
- *
- * Side effects:
- * The real and effective user ID's of the process are modified as
- * specified, if the user is privileged to do so.
- *
- *----------------------------------------------------------------------
- */
-
- int
- setreuid(ruid, euid)
- int ruid, euid;
- {
- ReturnStatus status; /* result returned by Proc_SetIDs */
-
- if (ruid == -1) {
- ruid = PROC_NO_ID;
- }
- if (euid == -1) {
- euid = PROC_NO_ID;
- }
- status = Proc_SetIDs(ruid, euid);
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(UNIX_SUCCESS);
- }
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * setregid --
- *
- * Procedure to map from Unix setregid system call to Sprite Proc_SetIDs.
- * Sprite doesn't have the notion of real and effective groud IDs;
- * instead, both gid arguments become the set of Sprite group IDs for
- * current process.
- *
- * Results:
- * UNIX_SUCCESS - the call was successful.
- * UNIX_ERROR - the call was not successful.
- * The actual error code stored in errno.
- *
- * Side effects:
- * The previous group IDs are deleted.
- *
- *----------------------------------------------------------------------
- */
-
- int
- setregid(rgid, egid)
- int rgid, egid;
- {
- ReturnStatus status = SUCCESS;
- int array[2];
- int num = 0;
-
- /*
- * Make the rgid and egid the group IDs for the process. If a gid is
- * -1, it is ignored.
- */
-
- if (rgid != -1) {
- array[0] = rgid;
- num = 1;
- if (egid != rgid && egid != -1) {
- array[1] = egid;
- num++;
- }
- } else if (egid != -1) {
- array[0] = egid;
- num++;
- }
- if (num > 0) {
- status = Proc_SetGroupIDs(num, array);
- }
-
- if (status != SUCCESS) {
- errno = Compat_MapCode(status);
- return(UNIX_ERROR);
- } else {
- return(UNIX_SUCCESS);
- }
- }
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d13 1
- a13 1
- static char rcsid[] = "$Header: id.c,v 1.4 87/07/20 11:13:32 andrew Exp $ SPRITE (Berkeley)";
- d16 2
- a17 3
- #include "sprite.h"
- #include "proc.h"
- #include "io.h"
- @
-