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|
/***************************************************************/
/* perk: PE Resource Kit */
/* Copyright (C) 2015--2025 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.PERK. */
/***************************************************************/
#include <time.h>
#include <locale.h>
#include <inttypes.h>
#include <perk/perk.h>
#include <perk/perk_output.h>
#include "perk_driver_impl.h"
#include "perk_dprintf_impl.h"
#include "perk_errinfo_impl.h"
#include "perk_ar_impl.h"
#define PERK_PRETTY_FLAGS (PERK_PRETTY_YAML \
| PERK_PRETTY_POSIX \
| PERK_PRETTY_HEXDATA)
#define PPRIU64 "%"PRIu64
const char pe_ar_perm_strs[8][4] = {
{'-','-','-','\0'},
{'-','-','x','\0'},
{'-','w','-','\0'},
{'-','w','x','\0'},
{'r','-','-','\0'},
{'r','-','x','\0'},
{'r','w','-','\0'},
{'r','w','x','\0'}
};
static unsigned pe_ar_output_decimal_len_from_val(size_t val, unsigned min)
{
unsigned ret;
for (ret=0; val; ret++)
val /= 10;
return (ret > min) ? ret : min;
}
static void pe_ar_member_not_found(
const struct pe_archive_meta * meta,
const char * name)
{
const struct pe_driver_ctx * dctx;
int fderr;
dctx = (pe_archive_meta_ictx(meta))->dctx;
if ((fderr = pe_driver_fderr(dctx)) >= 0)
pe_dprintf(
fderr,
"%s: error: member '%s' was not found in the current archive\n",
dctx->program,name);
}
static struct ar_meta_member_info * pe_ar_get_member_info(
const struct pe_archive_meta * meta,
const char * name)
{
struct ar_meta_member_info ** memberp;
const char * slash;
if ((slash = strrchr(name,'/')))
name = ++slash;
for (memberp=meta->a_memberv; *memberp; memberp++)
if (!strcmp(memberp[0]->ar_file_header.ar_member_name,name))
return *memberp;
pe_ar_member_not_found(meta,name);
return 0;
}
static int pe_ar_member_in_members(
struct ar_meta_member_info * member,
const char ** members)
{
const char ** pname;
for (pname=members; *pname; pname++)
if (!strcmp(*pname,member->ar_file_header.ar_member_name))
return 1;
return 0;
}
static int pe_ar_list_one_member_posix(
int fdout,
struct ar_meta_member_info * memberp)
{
return pe_dprintf(
fdout,"%s\n",
memberp->ar_file_header.ar_member_name);
}
static int pe_ar_list_one_member_posix_verbose(
int fdout,
struct ar_meta_member_info * memberp,
const char * fmtstr,
locale_t arlocale)
{
unsigned ownerbits;
unsigned groupbits;
unsigned worldbits;
time_t artimeval;
struct tm artimeloc;
char artimestr[64] = {0};
ownerbits = (memberp->ar_file_header.ar_file_mode & 0700) >> 6;
groupbits = (memberp->ar_file_header.ar_file_mode & 0070) >> 3;
worldbits = (memberp->ar_file_header.ar_file_mode & 0007);
artimeval = memberp->ar_file_header.ar_time_date_stamp;
if (localtime_r(&artimeval,&artimeloc))
strftime_l(
artimestr,sizeof(artimestr),
"%b %e %H:%M %Y",&artimeloc,
arlocale);
return pe_dprintf(
fdout,fmtstr,
pe_ar_perm_strs[ownerbits],
pe_ar_perm_strs[groupbits],
pe_ar_perm_strs[worldbits],
memberp->ar_file_header.ar_uid,
memberp->ar_file_header.ar_gid,
memberp->ar_object_size,
artimestr,
memberp->ar_file_header.ar_member_name);
}
static int pe_ar_list_members_posix(
const struct pe_driver_ctx * dctx,
const struct pe_archive_meta * meta,
const struct pe_fd_ctx * fdctx,
const char ** members)
{
struct ar_meta_member_info ** memberp;
struct ar_meta_member_info * minfo;
const char ** pname;
int fdout;
size_t testval;
size_t sizelen;
size_t uidlen;
size_t gidlen;
locale_t arloc;
char fmtstr[64];
fdout = fdctx->fdout;
arloc = 0;
if (dctx->cctx->fmtflags & PERK_PRETTY_VERBOSE) {
for (sizelen=0,memberp=meta->a_memberv; *memberp; memberp++)
if ((testval = memberp[0]->ar_object_size) > sizelen)
if (!members || pe_ar_member_in_members(*memberp,members))
sizelen = testval;
for (uidlen=0,memberp=meta->a_memberv; *memberp; memberp++)
if ((testval = memberp[0]->ar_file_header.ar_uid) > uidlen)
if (!members || pe_ar_member_in_members(*memberp,members))
uidlen = testval;
for (gidlen=0,memberp=meta->a_memberv; *memberp; memberp++)
if ((testval = memberp[0]->ar_file_header.ar_gid) > gidlen)
if (!members || pe_ar_member_in_members(*memberp,members))
gidlen = testval;
sizelen = pe_ar_output_decimal_len_from_val(sizelen,6);
uidlen = pe_ar_output_decimal_len_from_val(uidlen,1);
gidlen = pe_ar_output_decimal_len_from_val(gidlen,1);
arloc = newlocale(LC_ALL,setlocale(LC_ALL,0),0);
sprintf(
fmtstr,
"%%s%%s%%s "
"%%" PPRIU64 "u"
"/%%-" PPRIU64 "u "
"%%" PPRIU64 "u "
"%%s "
"%%s\n",
uidlen,
gidlen,
sizelen);
}
for (pname=members; pname && *pname; pname++) {
if ((minfo = pe_ar_get_member_info(meta,*pname))) {
switch (minfo->ar_member_attr) {
case AR_MEMBER_ATTR_ARMAP:
case AR_MEMBER_ATTR_LINKINFO:
case AR_MEMBER_ATTR_NAMESTRS:
break;
default:
if (arloc) {
if (pe_ar_list_one_member_posix_verbose(
fdout,minfo,fmtstr,arloc) < 0)
return PERK_SYSTEM_ERROR(dctx);
} else {
if (pe_ar_list_one_member_posix(
fdout,minfo) < 0)
return PERK_SYSTEM_ERROR(dctx);
}
}
}
}
for (memberp=meta->a_memberv; !members && *memberp; memberp++) {
switch ((*memberp)->ar_member_attr) {
case AR_MEMBER_ATTR_ARMAP:
case AR_MEMBER_ATTR_LINKINFO:
case AR_MEMBER_ATTR_NAMESTRS:
break;
default:
if (arloc) {
if (pe_ar_list_one_member_posix_verbose(
fdout,*memberp,fmtstr,arloc) < 0)
return PERK_SYSTEM_ERROR(dctx);
} else {
if (pe_ar_list_one_member_posix(
fdout,*memberp) < 0)
return PERK_SYSTEM_ERROR(dctx);
}
}
}
if (arloc)
freelocale(arloc);
return 0;
}
static int pe_ar_list_one_member_yaml(
int fdout,
struct ar_meta_member_info * memberp)
{
return pe_dprintf(
fdout,
" - [ member: %s ]\n",
memberp->ar_file_header.ar_member_name);
}
static int pe_ar_list_one_member_yaml_verbose(
int fdout,
struct ar_meta_member_info * memberp,
locale_t arlocale)
{
time_t artimeval;
struct tm artimeloc;
char artimestr[64] = {0};
artimeval = memberp->ar_file_header.ar_time_date_stamp;
if (localtime_r(&artimeval,&artimeloc))
strftime_l(
artimestr,sizeof(artimestr),
"%Y/%m/%d @ %H:%M",&artimeloc,
arlocale);
return pe_dprintf(
fdout,
" - Member:\n"
" - [ name: " "%s" " ]\n"
" - [ timestamp: " "%s" " ]\n"
" - [ filesize: " PPRIU64 " ]\n"
" - [ uid: " "%d" " ]\n"
" - [ gid: " "%d" " ]\n"
" - [ mode: " "%d" " ]\n\n",
memberp->ar_file_header.ar_member_name,
artimestr,
memberp->ar_object_size,
memberp->ar_file_header.ar_uid,
memberp->ar_file_header.ar_gid,
memberp->ar_file_header.ar_file_mode);
}
static int pe_ar_list_members_yaml(
const struct pe_driver_ctx * dctx,
const struct pe_archive_meta * meta,
const struct pe_fd_ctx * fdctx,
const char ** members)
{
struct ar_meta_member_info ** memberp;
struct ar_meta_member_info * minfo;
const char ** pname;
int fdout;
locale_t arloc;
fdout = fdctx->fdout;
arloc = 0;
if (dctx->cctx->fmtflags & PERK_PRETTY_VERBOSE) {
arloc = newlocale(LC_ALL,setlocale(LC_ALL,0),0);
}
if (pe_dprintf(fdctx->fdout," - Members:\n") < 0)
return PERK_SYSTEM_ERROR(dctx);
for (pname=members; pname && *pname; pname++) {
if ((minfo = pe_ar_get_member_info(meta,*pname))) {
switch (minfo->ar_member_attr) {
case AR_MEMBER_ATTR_ARMAP:
case AR_MEMBER_ATTR_LINKINFO:
case AR_MEMBER_ATTR_NAMESTRS:
break;
default:
if (arloc) {
if (pe_ar_list_one_member_yaml_verbose(
fdout,minfo,arloc) < 0)
return PERK_SYSTEM_ERROR(dctx);
} else {
if (pe_ar_list_one_member_yaml(
fdout,minfo) < 0)
return PERK_SYSTEM_ERROR(dctx);
}
}
}
}
for (memberp=meta->a_memberv; !members && *memberp; memberp++) {
switch ((*memberp)->ar_member_attr) {
case AR_MEMBER_ATTR_ARMAP:
case AR_MEMBER_ATTR_LINKINFO:
case AR_MEMBER_ATTR_NAMESTRS:
break;
default:
if (arloc) {
if (pe_ar_list_one_member_yaml_verbose(
fdout,*memberp,arloc) < 0)
return PERK_SYSTEM_ERROR(dctx);
} else {
if (pe_ar_list_one_member_yaml(
fdout,*memberp) < 0)
return PERK_SYSTEM_ERROR(dctx);
}
}
}
if (arloc)
freelocale(arloc);
return 0;
}
int pe_ar_list_members(const struct pe_archive_meta * meta, const char ** members)
{
const struct pe_driver_ctx * dctx;
struct pe_fd_ctx fdctx;
const char ** pmember;
dctx = (pe_archive_meta_ictx(meta))->dctx;
if (pe_lib_get_driver_fdctx(dctx,&fdctx) < 0)
return PERK_NESTED_ERROR(dctx);
if (members && !members[0])
members = 0;
if (!meta->a_memberv) {
for (pmember=members; pmember && *pmember; pmember++)
pe_ar_member_not_found(meta,*pmember);
return members ? 1 : 0;
}
switch (dctx->cctx->fmtflags & PERK_PRETTY_FLAGS) {
case PERK_PRETTY_YAML:
return pe_ar_list_members_yaml(
dctx,meta,&fdctx,members);
case PERK_PRETTY_POSIX:
return pe_ar_list_members_posix(
dctx,meta,&fdctx,members);
default:
return pe_ar_list_members_posix(
dctx,meta,&fdctx,members);
}
}
|
