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#include <sys/param.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <grp.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>
#include <sys/types.h>
#include <utime.h>
#include <sys/acl.h>
int do_setfacl(const char *path, const char *options, const char *textacl)
{
int r;
int type;
acl_t acl;
int dob;
int dok;
int dom;
struct stat st;
char textmode[30];
r = 0;
dob = strchr(options,'b') != (char*)NULL;
dok = strchr(options,'k') != (char*)NULL;
dom = strchr(options,'m') != (char*)NULL;
if ((dom && !textacl)
|| (!dom && (textacl || (!dok && !dob) ||
strchr(options,'d')))) {
errno = EBADRQC; /* "bad request" */
r = -1;
} else {
if (dob || dok) {
r = acl_delete_def_file(path);
}
if (dob && !r) {
if (!stat(path,&st)) {
sprintf(textmode,
"u::%c%c%c,g::%c%c%c,o::%c%c%c",
(st.st_mode & 0400 ? 'r' : '-'),
(st.st_mode & 0200 ? 'w' : '-'),
(st.st_mode & 0100 ? 'x' : '-'),
(st.st_mode & 0040 ? 'r' : '-'),
(st.st_mode & 0020 ? 'w' : '-'),
(st.st_mode & 0010 ? 'x' : '-'),
(st.st_mode & 004 ? 'r' : '-'),
(st.st_mode & 002 ? 'w' : '-'),
(st.st_mode & 001 ? 'x' : '-'));
acl = acl_from_text(textmode);
if (acl) {
r = acl_set_file(path,
ACL_TYPE_ACCESS,acl);
acl_free(acl);
} else
r = -1;
} else
r = -1;
}
if (!r && dom) {
if (strchr(options,'d'))
type = ACL_TYPE_DEFAULT;
else
type = ACL_TYPE_ACCESS;
acl = acl_from_text(textacl);
if (acl) {
r = acl_set_file(path,type,acl);
acl_free(acl);
} else
r = -1;
}
}
if (r)
r = -errno;
return (r);
}
int main(int argc, char *argv[]){
int rc = 0;
if (argc != 4) {
fprintf(stderr,
"usage: ./setfacl_test <path> <options> <textacl>\n");
return 0;
}
if ((rc = do_setfacl(argv[1], argv[2], argv[3])) != 0){
fprintf(stderr, "do_setfacl failed: %s\n", strerror(errno));
return rc;
}
return 0;
}
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