A2osX/SYS/KERNEL.S.PWD.txt

NEW
  AUTO 3,1
*/--------------------------------------
* # GetPWUID
* ## C
* `int getpwuid(short int uid, S.PW *passwd);`
* ## ASM
* `PUSHB uid`
* `>PUSHW passwd`
* `>SYSCALL getpwuid`
* ## RETURN VALUE
*\--------------------------------------
K.GetPWUID
*/--------------------------------------
* # GetGRGID
* ## C
* `int getgrgid(short int gid, S.GRP *group);`
* ## ASM
* `>PUSHB gid`
* `>PUSHW group`
* `>SYSCALL getpwname`
* ## RETURN VALUE
*\--------------------------------------
K.GetGRGID		>PULLW FORPNT
				>PULLB ZPPtr1+1			UID/GID

				jmp K.SYSCALL.JMPX
*/--------------------------------------
* # OpenSession
* ## C
* `short int hSID opensession(const char *name, const char *passwd);`
* ## ASM
* `>PUSHW name`
* `>PUSHW passwd`
* `>SYSCALL OpenSession`
* ## RETURN VALUE
*\--------------------------------------
K.OpenSession
*				>PULLW FORPNT			passwd
*				>PULLW TXTPTR			name
				
*				jmp K.SYSCALL.JMPX
*/--------------------------------------
* # GetPWName
* ## C
* `int getpwname(const char* name, S.PW *passwd);`
* ## ASM
* `>PUSHW name`
* `>PUSHW passwd`
* `>SYSCALL getpwname`
* ## RETURN VALUE
*\--------------------------------------
K.GetPWName
*/--------------------------------------
* # GetGRName
* ## C
* `int getgrgid(const char* name, S.GRP *group);`
* ## ASM
* `>PUSHW name`
* `>PUSHW group`
* `>SYSCALL getpwname`
* ## RETURN VALUE
*\--------------------------------------
K.GetGRName		>PULLW FORPNT
				>PULLW TXTPTR
				
				jmp K.SYSCALL.JMPX
*/--------------------------------------
* # PutPW
* ## C
* `int putpw(S.PW* passwd);`
* ## ASM
* `>PUSHW passwd`
* `>SYSCALL putpw`
* ## RETURN VALUE
*\--------------------------------------
K.PutPW
*/--------------------------------------
* # PutGR
* ## C
* `int putgr(S.GRP *group);`
* ## ASM
* `>PUSHW group`
* `>SYSCALL putgr`
* ## RETURN VALUE
*\--------------------------------------
K.PutGR			>PULLW TXTPTR
			
				jsr K.SYSCALL.JMPX
				bcc PWD.FlushFiles
				rts
*--------------------------------------
PWD.FlushFiles
				>LDYA PWD.UsrDBSize
				ldx PWD.hUsrDB
				clc
				jsr PWD.Flush

				>LDYA PWD.GrpDBSize
				ldx PWD.hGrpDB
				sec

PWD.Flush		>STYA PWD.FileSize
				>LDYAI PWD.ETCPASSWD
				bcc .10
				
				>LDYAI PWD.ETCGROUP
				
.10				>STYA PWD.FileName
				
				>LDYA PWD.FileSize
				jsr MEM.CopyToMain		X = src Aux hMem
				bcs .9

				stx .8+1

				>PUSHW PWD.FileName
				>PUSHBI	O.WRONLY+O.CREATE
				>PUSHBI S.FI.T.TXT
				>PUSHWZ					Aux type
				>SYSCALL2 FOpen
				bcc .1
	
				pha
				jsr .8
				pla
				sec
.9				rts

.1				sta .7+1

				>PUSHW PWD.FileSize
				lda .8+1
				jsr K.getmemptr
				>PUSHYA
				lda .7+1
				>SYSCALL2 FWrite
				bcc .7

				pha
				jsr .7
				pla

				sec
				rts

.7				lda #$ff				SELF MODIFIED
				>SYSCALL2 fclose

.8				lda #$ff
				jmp K.freemem			SELF MODIFIED
*/--------------------------------------
* # CloseSession
* ## C
* `int closesession(short int hSID);`
* ## ASM
* `>PUSHB hSID`
* `>SYSCALL CloseSession`
* ## RETURN VALUE
*\--------------------------------------
K.CloseSession	>PULLA
				jmp K.SYSCALL.JMPX
*--------------------------------------
PWD.ETCPASSWD	.AZ "${ROOT}etc/passwd"
PWD.hUsrDB		.BS 1
PWD.UsrDBSize	.BS 2
PWD.ETCGROUP	.AZ "${ROOT}etc/group"
PWD.hGrpDB		.BS 1
PWD.GrpDBSize	.BS 2
PWD.FileSize	.BS 2
PWD.FileName	.BS 2
*--------------------------------------
MAN
SAVE usr/src/sys/kernel.s.pwd
LOAD usr/src/sys/kernel.s
ASM