int
main(int argc, char *argv[])
{
Boolean recalcMask, useDefaultACL;
Boolean modifyACL, removeACL, removeDefaultACL, checkValidity;
int optCnt, j, opt, numEntries, en;
acl_type_t type;
char *aclSpec;
acl_t acl;
acl_entry_t entry;
struct AccessControlEntry aclist[MAX_ENTRIES];
if (argc < 2 || strcmp(argv[1], "--help") == 0)
usageError(argv[0], NULL, FALSE);
/* Parse command-line options */
recalcMask = TRUE;
useDefaultACL = FALSE;
modifyACL = FALSE;
removeACL = FALSE;
checkValidity = FALSE;
removeDefaultACL = FALSE;
optCnt = 0;
while ((opt = getopt(argc, argv, "m:x:kdnV:")) != -1) {
switch (opt) {
case 'm':
modifyACL = TRUE;
aclSpec = optarg;
optCnt++;
break;
case 'x':
removeACL = TRUE;
aclSpec = optarg;
optCnt++;
break;
case 'k':
removeDefaultACL = TRUE;
optCnt++;
break;
case 'V':
checkValidity = TRUE;
aclSpec = optarg;
optCnt++;
break;
case 'd':
useDefaultACL = TRUE;
break;
case 'n':
recalcMask = FALSE;
break;
default:
usageError(argv[0], "Bad option\n", TRUE);
break;
}
}
if (optCnt != 1)
usageError(argv[0], "Specify exactly one of -m, -x, -k, or -V\n", TRUE);
if (checkValidity && useDefaultACL)
usageError(argv[0], "Can't specify -d with -V\n", TRUE);
if (checkValidity) {
if (parseACL(aclSpec, aclist, TRUE) == -1) {
fatal("Bad ACL entry specification");
} else {
printf("ACL is valid\n");
exit(EXIT_SUCCESS);
}
}
if (modifyACL || removeACL) {
numEntries = parseACL(aclSpec, aclist, modifyACL);
if (numEntries == -1)
usageError(argv[0], "Bad ACL specification\n", TRUE);
}
type = useDefaultACL ? ACL_TYPE_DEFAULT : ACL_TYPE_ACCESS;
/* Perform the operation on each file argument */
for (j = optind; j < argc; j++) {
if (removeDefaultACL) {
if (acl_delete_def_file(argv[j]) == -1)
errExit("acl_delete_def_file: %s", argv[j]);
} else if (modifyACL || removeACL) {
acl = acl_get_file(argv[j], type);
if (acl == NULL)
errExit("acl_get_file");
/* Apply each of the entries in 'aclist' to the
current file */
for (en = 0; en < numEntries; en++) {
entry = findEntry(acl, aclist[en].tag, aclist[en].qual);
if (removeACL) {
if (entry != NULL)
if (acl_delete_entry(acl, entry) == -1)
errExit("acl_delete_entry");
} else { /* modifyACL */
if (entry == NULL) {
/* Entry didn't exist in ACL -- create a new
entry with required tag and qualifier */
if (acl_create_entry(&acl, &entry) == -1)
errExit("acl_create_entry");
if (acl_set_tag_type(entry, aclist[en].tag) == -1)
errExit("acl_set_tag_type");
if (aclist[en].tag == ACL_USER ||
aclist[en].tag == ACL_GROUP)
if (acl_set_qualifier(entry,
&aclist[en].qual) == -1)
errExit("acl_set_qualifier");
}
setPerms(entry, aclist[en].perms);
}
/* Recalculate the mask entry if requested */
if (recalcMask)
if (acl_calc_mask(&acl) == -1)
errExit("acl_calc_mask");
/* Update the file ACL */
if (acl_valid(acl) == -1)
errExit("acl_valid");
if (acl_set_file(argv[j], type, acl) == -1)
errExit("acl_set_file");
}
if (acl_free(acl) == -1)
errExit("acl_free");
} else {
fatal("Bad logic!");
}
}
exit(EXIT_SUCCESS);
}
/*
* Setup Display related nodes & permissions. For HDMI, it can be fb1 or fb2
* Loop through the sysfs nodes and determine the HDMI(dtv panel)
*/
void set_display_node_perms()
{
char panel_type[] = "dtv panel";
char buf[BUF_SIZE];
int num;
for (num=0; num<=2; num++) {
snprintf(tmp,sizeof(tmp),"%sfb%d/msm_fb_type", sys_fb_path, num);
if(read_file2(tmp, buf, sizeof(buf))) {
if(!strncmp(buf, panel_type, strlen(panel_type))) {
// Set appropriate permissions for the nodes
snprintf(tmp, sizeof(tmp), "%sfb%d/hpd", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/res_info", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/vendor_name", sys_fb_path,
num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/product_description",
sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/video_mode",
sys_fb_path, num);
setPerms(tmp, 0664);
snprintf(tmp, sizeof(tmp), "%sfb%d/format_3d", sys_fb_path,
num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/s3d_mode", sys_fb_path,
num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/hdcp/tp", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/enable", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/logical_addr", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/rd_msg", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/pa", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/wr_msg", sys_fb_path, num);
setPerms(tmp, 0600);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d", dev_fb_path, num);
symlink(tmp, DEV_GFX_HDMI);
break;
}
}
}
// Set the permission for idle_time.
snprintf(tmp, sizeof(tmp), "%sfb0/idle_time", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
// Set write permission for dynamic_fps node.
snprintf(tmp, sizeof(tmp), "%sfb0/dynamic_fps", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
// Set permissions for dynamic partial update
snprintf(tmp, sizeof(tmp), "%sfb0/dyn_pu", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb0/modes", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb0/mode", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
}
