int start(struct install_options* param) {
char *home=configdir(),*p;
char *localprojects=cat(home,"local-projects/",NULL);
setup_uid(1);
ensure_directories_exist(localprojects);
s(localprojects);
if(installed_p(param)) {
printf("%s/%s is already installed. Try (TBD) for the forced re-installation.\n",param->impl,param->version?param->version:"");
return 0;
}
if(install_running_p(param)) {
printf("It seems another installation process for $1/$2 is in progress somewhere in the system.\n");
return 0;
}
p=cat(home,"tmp",SLASH,param->impl,param->version?"-":"",param->version?param->version:"",SLASH,NULL);
ensure_directories_exist(p);
s(p);
p=cat(home,"tmp",SLASH,param->impl,param->version?"-":"",param->version?param->version:"",".lock",NULL);
delete_at_exit(p);
touch(p);
s(p),s(home);
return 1;
}
int cmd_internal(int argc,char **argv,struct sub_command* cmd) {
setup_uid(0);
return proccmd(argc-1,&(argv[1]),(LVal)NULL,internal_commands);
}
int test_rwflag(int i, int cnt)
{
int fd, pid, status;
char nobody_uid[] = "nobody";
struct passwd *ltpuser;
switch (i) {
case 0:
/* Validate MS_RDONLY flag of mount call */
snprintf(file, PATH_MAX, "%stmp", Path_name);
if ((fd = open(file, O_CREAT | O_RDWR, S_IRWXU)) == -1) {
if (errno == EROFS) {
return 0;
} else {
tst_resm(TWARN|TERRNO,
"open didn't fail with EROFS");
return 1;
}
}
close(fd);
return 1;
case 1:
/* Validate MS_NODEV flag of mount call */
snprintf(file, PATH_MAX, "%smynod_%d_%d", Path_name, getpid(),
cnt);
if (mknod(file, S_IFBLK | 0777, 0) == 0) {
if ((fd = open(file, O_RDWR, S_IRWXU)) == -1) {
if (errno == EACCES) {
return 0;
} else {
tst_resm(TWARN|TERRNO,
"open didn't fail with EACCES");
return 1;
}
}
close(fd);
} else {
tst_resm(TWARN|TERRNO, "mknod(2) failed to create %s",
file);
return 1;
}
return 1;
case 2:
/* Validate MS_NOEXEC flag of mount call */
snprintf(file, PATH_MAX, "%stmp1", Path_name);
if ((fd = open(file, O_CREAT | O_RDWR, S_IRWXU)) == -1) {
tst_resm(TWARN|TERRNO, "opening %s failed", file);
} else {
close(fd);
execlp(file, basename(file), NULL);
}
return 1;
case 3:
/*
* Validate MS_SYNCHRONOUS flag of mount call.
* Copy some data into data buffer.
*/
strcpy(write_buffer, "abcdefghijklmnopqrstuvwxyz");
/* Creat a temporary file under above directory */
snprintf(file, PATH_MAX, "%s%s", Path_name, TEMP_FILE);
if ((fildes = open(file, O_RDWR | O_CREAT, FILE_MODE))
== -1) {
tst_resm(TWARN|TERRNO,
"open(%s, O_RDWR|O_CREAT, %#o) failed",
file, FILE_MODE);
return 1;
}
/* Write the buffer data into file */
if (write(fildes, write_buffer, strlen(write_buffer)) !=
strlen(write_buffer)) {
tst_resm(TWARN|TERRNO, "writing to %s failed", file);
close(fildes);
return 1;
}
/* Set the file ptr to b'nning of file */
if (lseek(fildes, 0, SEEK_SET) < 0) {
tst_resm(TWARN, "lseek() failed on %s, error="
" %d", file, errno);
close(fildes);
return 1;
}
/* Read the contents of file */
if (read(fildes, read_buffer, sizeof(read_buffer)) > 0) {
if (strcmp(read_buffer, write_buffer)) {
tst_resm(TWARN, "Data read from %s and written "
"mismatch", file);
close(fildes);
return 1;
} else {
close(fildes);
return 0;
}
} else {
tst_resm(TWARN|TERRNO, "read() Fails on %s", file);
close(fildes);
return 1;
}
case 4:
/* Validate MS_REMOUNT flag of mount call */
TEST(mount(device, mntpoint, Fstype, MS_REMOUNT, NULL));
if (TEST_RETURN != 0) {
tst_resm(TWARN|TTERRNO, "mount(2) failed to remount");
return 1;
} else {
snprintf(file, PATH_MAX, "%stmp2", Path_name);
if ((fd = open(file, O_CREAT | O_RDWR, S_IRWXU))
== -1) {
tst_resm(TWARN, "open(%s) on readonly "
"filesystem passed", file);
return 1;
} else {
close(fd);
return 0;
}
}
case 5:
/* Validate MS_NOSUID flag of mount call */
if (setup_uid() != 0) {
tst_resm(TBROK|TERRNO, "setup_uid failed");
return 1;
}
switch (pid = fork()) {
case -1:
tst_resm(TBROK|TERRNO, "fork failed");
return 1;
case 0:
snprintf(file, PATH_MAX, "%ssetuid_test", Path_name);
if (chmod(file, SUID_MODE) != 0) {
tst_resm(TWARN, "chmod(%s, %#o) failed",
file, SUID_MODE);
}
ltpuser = getpwnam(nobody_uid);
if (setreuid(ltpuser->pw_uid, ltpuser->pw_uid) == -1) {
tst_resm(TWARN|TERRNO,
"seteuid() failed to change euid to %d",
ltpuser->pw_uid);
}
execlp(file, basename(file), NULL);
exit(1);
default:
waitpid(pid, &status, 0);
if (WIFEXITED(status)) {
/* reset the setup_uid */
if (status)
return 0;
else
return 1;
}
}
}
return 0;
}
