libc/gen/setmode.c

84  * bits) followed by a '+' (set bits).
89 	const BITCMD *set;
92 	set = (const BITCMD *)bbox;
94 	for (value = 0;; set++)
95 		switch(set->cmd) {
112 common:			if (set->cmd2 & CMD2_CLR) {
114 				    (set->cmd2 & CMD2_SET) ?  S_IRWXO : value;
115 				if (set->cmd2 & CMD2_UBITS)
116 					newmode &= ~((clrval<<6) & set->bits);
117 				if (set->cmd2 & CMD2_GBITS)
118 					newmode &= ~((clrval<<3) & set->bits);
119 				if (set->cmd2 & CMD2_OBITS)
120 					newmode &= ~(clrval & set->bits);
122 			if (set->cmd2 & CMD2_SET) {
123 				if (set->cmd2 & CMD2_UBITS)
124 					newmode |= (value<<6) & set->bits;
125 				if (set->cmd2 & CMD2_GBITS)
126 					newmode |= (value<<3) & set->bits;
127 				if (set->cmd2 & CMD2_OBITS)
128 					newmode |= value & set->bits;
133 			newmode |= set->bits;
137 			newmode &= ~set->bits;
142 				newmode |= set->bits;
155 	if (set >= endset) {						\
161 		set = newset + (set - saveset);				\
165 	set = addcmd(set, (mode_t)(a), (mode_t)(b), (mode_t)(c), (d))
174 	BITCMD *set, *saveset, *endset;
187 	 * Flip the bits, we want what's not set.
193 	if ((set = malloc(setlen * sizeof(BITCMD))) == NULL)
195 	saveset = set;
196 	endset = set + (setlen - 2);
217 		set->cmd = 0;
222 	 * Build list of structures to set/clear/copy bits as described by
261 				/* If only "other" bits ignore set-id. */
327 	set->cmd = 0;
356 	 * security.bsd.unprivileged_proc_debug is set to 0.
375 addcmd(BITCMD *set, mode_t op, mode_t who, mode_t oparg, mode_t mask)
379 		set->cmd = '-';
380 		set->bits = who ? who : STANDARD_BITS;
381 		set++;
388 		set->cmd = op;
389 		set->bits = (who ? who : mask) & oparg;
395 		set->cmd = op;
397 			set->cmd2 = ((who & S_IRUSR) ? CMD2_UBITS : 0) |
400 			set->bits = (mode_t)~0;
402 			set->cmd2 = CMD2_UBITS | CMD2_GBITS | CMD2_OBITS;
403 			set->bits = mask;
407 			set->cmd2 |= CMD2_SET;
409 			set->cmd2 |= CMD2_CLR;
411 			set->cmd2 |= CMD2_SET|CMD2_CLR;
414 	return (set + 1);
419 dumpmode(BITCMD *set)
421 	for (; set->cmd; ++set)
423 		    set->cmd, set->bits, set->cmd2 ? " cmd2:" : "",
424 		    set->cmd2 & CMD2_CLR ? " CLR" : "",
425 		    set->cmd2 & CMD2_SET ? " SET" : "",
426 		    set->cmd2 & CMD2_UBITS ? " UBITS" : "",
427 		    set->cmd2 & CMD2_GBITS ? " GBITS" : "",
428 		    set->cmd2 & CMD2_OBITS ? " OBITS" : "");
439 compress_mode(BITCMD *set)
444 	for (nset = set;;) {
447 			*set++ = *nset++;
467 			set->cmd = '-';
468 			set->cmd2 = 0;
469 			set->bits = clrbits;
470 			set++;
473 			set->cmd = '+';
474 			set->cmd2 = 0;
475 			set->bits = setbits;
476 			set++;
479 			set->cmd = 'X';
480 			set->cmd2 = 0;
481 			set->bits = Xbits;
482 			set++;