/**
* @brief getatt_aux Fills a fattr3_atributes with iRODS object attributes.
* Unfortunately only two attributes were possible to be mapped, until now.
* @param comm Connection variable
* @param path Path to the corresponding object (directory or file)
* @param fattr3_atributes
*
* Example of use:
* fattr3 fattr3_atributes;
rcComm_t* comm = rodsConnect();
int i = rodsLogin(comm);
char* path = "tempZone/home/desiredFile.txt");
getatt_aux(comm, path, &fattr3_atributes);
printf("Type: %d\n", fattr3_atributes.type);
printf("Size: %d\n", fattr3_atributes.size);
*/
int getatt_aux(nfs_fh3 fh, fattr3 fat, rcComm_t* comm, char *path, int *size)
{
dataObjInp_t dataObjInp;
rodsObjStat_t *rodsObjStatOut = NULL;
bzero (&dataObjInp, sizeof (dataObjInp));
rstrcpy (dataObjInp.objPath, path, MAX_NAME_LEN);
int status = rcObjStat (comm, &dataObjInp, &rodsObjStatOut);
if (status < 0)
{
debug("GETATT - Error - The call to iRODS was unsuccessful searching the file %s.\n", path);
}
else
{
*size = rodsObjStatOut->objSize;
/*It is necessary to change the attributes locally (executing a SETATT)
* to avoid the NFS Stale File Handle error.*/
set_aux(fh, fat, path, size);
}
return status;
freeRodsObjStat (rodsObjStatOut);
}
static void init_user_stack(elf_prog_t *prog, int prot)
{
long argc = strings_count(prog->argv),
envc = strings_count(prog->envp),
auxc = auxv_count(prog->auxv);
char *tmp_argv[argc+1],
*tmp_envp[envc+1],
*platform = (char *)get_aux(prog->auxv, AT_PLATFORM),
*base_platform = (char *)get_aux(prog->auxv, AT_BASE_PLATFORM),
*rand_bytes = (char *)get_aux(prog->auxv, AT_RANDOM);
char *sp = (char *)(prog->task_size-get_stack_random_shift(prog->auxv));
sp -= sizeof(long);
sp = prog->filename = stack_push_string(sp, prog->filename);
char *untrusted_data_end=sp;
sp = stack_push_strings(sp, tmp_envp, prog->envp);
sp = stack_push_strings(sp, tmp_argv, prog->argv);
taint_mem(sp, untrusted_data_end-sp, TAINT_ENV);
sp = (char *)(((long)sp-0x100)&~0xf);
if (platform)
sp = platform = stack_push_string(sp, platform);
if (base_platform)
sp = base_platform = stack_push_string(sp, base_platform);
if (rand_bytes)
sp = rand_bytes = stack_push_data(sp, rand_bytes, 16);
sp = (char *)((long)sp&~0xf);
sp = stack_push_data(sp, prog->auxv, (auxc+1)*2*sizeof(long));
prog->auxv = (long *)sp;
sp = stack_push_data(sp, tmp_envp, (envc+1)*sizeof(char *));
prog->envp = (char **)sp;
sp = stack_push_data(sp, tmp_argv, (argc+1)*sizeof(char *));
prog->argv = (char **)sp;
sp = stack_push_data(sp, &argc, sizeof(long));
set_aux(prog->auxv, AT_EXECFN, (long)prog->filename);
set_aux(prog->auxv, AT_PLATFORM, (long)platform);
set_aux(prog->auxv, AT_BASE_PLATFORM, (long)base_platform);
set_aux(prog->auxv, AT_RANDOM, (long)rand_bytes);
set_aux(prog->auxv, AT_PHDR, (long)prog->bin.phdr);
set_aux(prog->auxv, AT_PHNUM, prog->bin.hdr.e_phnum);
set_aux(prog->auxv, AT_BASE, prog->bin.base);
set_aux(prog->auxv, AT_ENTRY, prog->bin.base + prog->bin.hdr.e_entry);
prog->sp = (long *)sp;
}
