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legacy/libisoburn/branches/ZeroFiveEight/xorriso/iso_manip.c

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Branching for libisoburn release 0.5.8
2010-06-13 14:01:17 +00:00
/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
This file contains functions which manipulate the libisofs tree model.
*/
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include <ctype.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <time.h>
#include <errno.h>
#include "xorriso.h"
#include "xorriso_private.h"
#include "xorrisoburn.h"
#include "lib_mgt.h"
#include "iso_img.h"
#include "iso_tree.h"
#include "iso_manip.h"
#include "sort_cmp.h"
/* @param flag bit0= give directory x-permission where is r-permission
bit1= do not transfer ACL or xattr
bit2= record dev,inode (only if enabled by xorriso)
bit5= transfer ACL or xattr from eventual link target
*/
int Xorriso_transfer_properties(struct XorrisO *xorriso, struct stat *stbuf,
char *disk_path, IsoNode *node, int flag)
{
mode_t mode;
int ret= 1;
size_t num_attrs= 0, *value_lengths= NULL;
char **names= NULL, **values= NULL;
mode= stbuf->st_mode;
if((!(flag & 2)) && !(xorriso->do_aaip & 1))
/* Will drop ACL. Update mode S_IRWXG by eventual group:: ACL entry */
iso_local_get_perms_wo_acl(disk_path, &mode, flag & 32);
if((flag&1) && S_ISDIR(mode)) {
if(mode&S_IRUSR)
mode|= S_IXUSR;
if(mode&S_IRGRP)
mode|= S_IXGRP;
if(mode&S_IROTH)
mode|= S_IXOTH;
}
iso_node_set_permissions(node, mode & 07777);
iso_node_set_uid(node, stbuf->st_uid);
iso_node_set_gid(node, stbuf->st_gid);
iso_node_set_atime(node, stbuf->st_atime);
iso_node_set_mtime(node, stbuf->st_mtime);
iso_node_set_ctime(node, stbuf->st_ctime);
if((xorriso->do_aaip & 5) && !(flag & 2)) {
ret= iso_local_get_attrs(disk_path, &num_attrs, &names, &value_lengths,
&values, ((xorriso->do_aaip & 1) && !(flag & 2))
| ((!(xorriso->do_aaip & 4)) << 2)
| (flag & 32));
if(ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, disk_path, ret,
"Error when obtaining local ACL and xattr", 0,
"FAILURE", 1 | 2);
ret= 0; goto ex;
}
ret= iso_node_set_attrs(node, num_attrs, names, value_lengths, values,
1 | 8);
if(ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", ret,
"Error when setting ACL and xattr to image node",
0, "FAILURE", 1);
ret= 0; goto ex;
}
}
if((flag & 4) && ((xorriso->do_aaip & 16) || !(xorriso->ino_behavior & 2))) {
ret= Xorriso_record_dev_inode(xorriso, disk_path, (dev_t) 0, (ino_t) 0,
(void *) node, "", flag & 32);
if(ret <= 0)
goto ex;
}
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso,0);
iso_local_get_attrs(disk_path, &num_attrs, &names, &value_lengths,
&values, 1 << 15); /* free memory */
return(ret);
}
int Xorriso_graft_split(struct XorrisO *xorriso, IsoImage *volume,
IsoDir *dir, char *disk_path, char *img_name,
char *nominal_source, char *nominal_target,
off_t size, IsoNode **node, int flag)
{
int ret;
IsoDir *new_dir= NULL;
IsoNode *part_node;
int partno, total_parts;
off_t offset;
char part_name[SfileadrL], sfe[5*SfileadrL];
ret= iso_tree_add_new_dir(dir, img_name, &new_dir);
if(ret<0)
return(ret);
*node= (IsoNode *) new_dir;
total_parts= size / xorriso->split_size;
if(size % xorriso->split_size)
total_parts++;
for(partno= 1; partno<=total_parts; partno++) {
offset = xorriso->split_size * (off_t) (partno-1);
Splitpart__compose(part_name, partno, total_parts, offset,
xorriso->split_size, size, 0);
ret= Xorriso_tree_graft_node(xorriso, volume,
new_dir, disk_path, part_name,
nominal_source, nominal_target,
offset, xorriso->split_size,
&part_node, 8);
if(ret<=0)
return(0);
}
sprintf(xorriso->info_text, "Split into %d parts: %s",
total_parts, Text_shellsafe(nominal_target, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(1);
}
/*
@param flag bit3= cut_out_node: offset and size are valid
*/
int Xorriso_tree_graft_node(struct XorrisO *xorriso, IsoImage *volume,
IsoDir *dir, char *disk_path, char *img_name,
char *nominal_source, char *nominal_target,
off_t offset, off_t cut_size,
IsoNode **node, int flag)
{
int ret, stbuf_valid= 0;
struct stat stbuf;
char sfe[5*SfileadrL];
off_t size= 0;
if(lstat(disk_path, &stbuf) != -1) {
stbuf_valid= 1;
if(S_ISREG(stbuf.st_mode))
size= stbuf.st_size;
}
if(flag&8) {
if(cut_size > xorriso->file_size_limit && xorriso->file_size_limit > 0) {
sprintf(xorriso->info_text,
"File piece exceeds size limit of %.f bytes: %.f from %s\n",
(double) xorriso->file_size_limit, (double) cut_size,
Text_shellsafe(disk_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
ret= iso_tree_add_new_cut_out_node(volume, dir, img_name, disk_path,
offset, cut_size, node);
if(ret<0)
goto ex;
} else {
if(xorriso->split_size > 0 && size > xorriso->split_size) {
ret= Xorriso_graft_split(xorriso, volume, dir, disk_path, img_name,
nominal_source, nominal_target, size,
node, 0);
if(ret<=0)
goto ex;
} else if(size > xorriso->file_size_limit && xorriso->file_size_limit > 0) {
sprintf(xorriso->info_text,
"File exceeds size limit of %.f bytes: %s\n",
(double) xorriso->file_size_limit,
Text_shellsafe(disk_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
} else {
ret= iso_tree_add_new_node(volume, dir, img_name, disk_path, node);
if(ret<0)
goto ex;
}
}
if(stbuf_valid && ((xorriso->do_aaip & 16) || !(xorriso->ino_behavior & 2))) {
ret= Xorriso_record_dev_inode(xorriso, disk_path,
stbuf.st_dev, stbuf.st_ino, (void *) *node, "", 1);
if(ret <= 0)
goto ex;
}
ex:;
if(ret<0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, nominal_source, ret,
"Cannot add node to tree", 0, "FAILURE", 1|2);
return(ret);
}
if(LIBISO_ISREG(*node))
xorriso->pacifier_byte_count+= iso_file_get_size((IsoFile *) *node);
return(1);
}
/* @param flag bit0= recursion is active
bit1= do not report added files
bit6= do not delete eventually existing node from di_array
bit7= no special handling of split file directories
*/
int Xorriso_add_tree(struct XorrisO *xorriso, IsoDir *dir,
char *img_dir_path, char *disk_dir_path,
struct LinkiteM *link_stack, int flag)
{
IsoImage *volume;
IsoNode *node;
int ret, target_is_dir, source_is_dir, source_is_link, fret, was_failure= 0;
int do_not_dive, target_is_split= 0;
struct DirseQ *dirseq= NULL;
char *name, *img_name, *srcpt, *stbuf_src= "";
struct stat stbuf, hstbuf;
dev_t dir_dev;
struct LinkiteM *own_link_stack;
char *sfe= NULL, *sfe2= NULL;
char *disk_path= NULL, *img_path= NULL, *link_target= NULL;
/* Avoiding large local memory objects in order to save stack space */
sfe= malloc(5*SfileadrL);
sfe2= malloc(5*SfileadrL);
disk_path= malloc(2*SfileadrL);
img_path= malloc(2*SfileadrL);
link_target= calloc(SfileadrL, 1);
if(sfe==NULL || sfe2==NULL || disk_path==NULL || img_path==NULL ||
link_target==NULL) {
Xorriso_no_malloc_memory(xorriso, &sfe, 0);
{ret= -1; goto ex;}
}
own_link_stack= link_stack;
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
goto ex;
stbuf_src= disk_dir_path;
if(lstat(disk_dir_path, &stbuf)==-1)
goto cannot_open_dir;
dir_dev= stbuf.st_dev;
if(S_ISLNK(stbuf.st_mode)) {
if(!(xorriso->do_follow_links || (xorriso->do_follow_param && !(flag&1))))
{ret= 2; goto ex;}
stbuf_src= disk_dir_path;
if(stat(disk_dir_path, &stbuf)==-1)
goto cannot_open_dir;
if(dir_dev != stbuf.st_dev &&
!(xorriso->do_follow_mount || (xorriso->do_follow_param && !(flag&1))))
{ret= 2; goto ex;}
}
ret= Dirseq_new(&dirseq, disk_dir_path, 1);
if(ret<0) {
sprintf(xorriso->info_text,"Failed to create source filesystem iterator");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
{ret= -1; goto ex;}
}
if(ret==0) {
cannot_open_dir:;
Xorriso_msgs_submit(xorriso, 0, disk_dir_path, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,"Cannot open as source directory: %s",
Text_shellsafe(disk_dir_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
if(Sfile_str(disk_path, disk_dir_path,0)<=0)
{ret= -1; goto ex;}
if(disk_path[0]==0 || disk_path[strlen(disk_path)-1]!='/')
strcat(disk_path,"/");
name= disk_path+strlen(disk_path);
if(Sfile_str(img_path, img_dir_path, 0)<=0)
{ret= -1; goto ex;}
if(img_path[0] || img_path[strlen(img_path)-1]!='/')
strcat(img_path,"/");
img_name= img_path+strlen(img_path);
while(1) { /* loop over directory content */
stbuf_src= "";
Linkitem_reset_stack(&own_link_stack, link_stack, 0);
srcpt= disk_path;
Xorriso_process_msg_queues(xorriso,0);
ret= Dirseq_next_adr(dirseq,name,0); /* name is a pointer into disk_path */
if(ret==0)
break;
if(ret<0) {
sprintf(xorriso->info_text,"Failed to obtain next directory entry");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
{ret= -1; goto ex;}
}
/* compare exclusions against disk_path resp. name */
ret= Xorriso_path_is_excluded(xorriso, disk_path, 0); /* (is never param) */
if(ret<0)
{ret= -1; goto ex;}
if(ret>0)
continue;
strcpy(img_name, name);
if(Xorriso_much_too_long(xorriso, strlen(img_path), 0)<=0)
{ret= 0; goto was_problem;}
if(Xorriso_much_too_long(xorriso, strlen(srcpt), 0)<=0)
{ret= 0; goto was_problem;}
stbuf_src= srcpt;
if(lstat(srcpt, &stbuf)==-1) {
cannot_lstat:;
Xorriso_msgs_submit(xorriso, 0, srcpt, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"Cannot determine attributes of source file %s",
Text_shellsafe(srcpt, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
ret= 0; goto was_problem;
}
source_is_dir= 0;
source_is_link= S_ISLNK(stbuf.st_mode);
if(xorriso->do_follow_links && source_is_link) {
/* Xorriso_hop_link checks for wide link loops */
ret= Xorriso_hop_link(xorriso, srcpt, &own_link_stack, &hstbuf, 0);
if(ret<0)
goto was_problem;
if(ret==1) {
ret= Xorriso_resolve_link(xorriso, srcpt, link_target, 0);
if(ret<=0)
goto was_problem;
srcpt= link_target;
stbuf_src= srcpt;
if(lstat(srcpt, &stbuf)==-1)
goto cannot_lstat;
} else {
if(Xorriso_eval_problem_status(xorriso, 0, 1|2)<0)
{ret= 0; goto was_problem;}
ret= Xorriso_resolve_link(xorriso, srcpt, link_target, 1);
if(ret<=0)
goto was_problem;
}
} else if (S_ISLNK(stbuf.st_mode)) {
ret= Xorriso_resolve_link(xorriso, srcpt, link_target, 1);
if(ret<=0)
goto was_problem;
}
do_not_dive= 0;
if(S_ISDIR(stbuf.st_mode)) {
source_is_dir= 1;
if(dir_dev != stbuf.st_dev && !xorriso->do_follow_mount)
do_not_dive= 1;
}
/* does a node exist with this name ? */
node= NULL;
ret= Xorriso_node_from_path(xorriso, volume, img_path, &node, 1);
if(ret>0) {
target_is_dir= LIBISO_ISDIR(node);
target_is_split= 0;
if(target_is_dir && !(flag & 128))
target_is_split= Xorriso_is_split(xorriso, "", (void *) node, 1 | 2);
if(!((target_is_dir && !target_is_split) && source_is_dir)) {
Xorriso_process_msg_queues(xorriso,0);
/* handle overwrite situation */;
if(xorriso->do_overwrite==1 ||
(xorriso->do_overwrite==2 && !(target_is_dir && !target_is_split))) {
ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, img_path,
1 | 8 | (flag & 64));
if(ret<=0)
goto was_problem;
if(ret==3) {
sprintf(xorriso->info_text, "User revoked adding of: %s",
Text_shellsafe(img_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= 0; goto was_problem;
}
node= NULL;
} else {
Xorriso_msgs_submit(xorriso, 0, srcpt, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"While grafting %s : file object exists and may not be overwritten by %s",
Text_shellsafe(img_path,sfe,0), Text_shellsafe(stbuf_src,sfe2,0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto was_problem;
}
}
}
if(node==NULL) {
ret= Xorriso_tree_graft_node(xorriso, volume, dir, srcpt, img_name,
"", img_path, (off_t) 0, (off_t) 0,
&node, 0);
}
if(node==NULL) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_msgs_submit(xorriso, 0, stbuf_src, 0, "ERRFILE", 0);
sprintf(xorriso->info_text, "Grafting failed: %s = %s",
Text_shellsafe(img_path,sfe,0), Text_shellsafe(stbuf_src,sfe2,0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto was_problem;
}
xorriso->pacifier_count++;
if((xorriso->pacifier_count%100)==0)
Xorriso_pacifier_callback(xorriso, "files added", xorriso->pacifier_count,
xorriso->pacifier_total, "", 0);
Xorriso_set_change_pending(xorriso, 0);
if(source_is_dir) {
if(do_not_dive) {
sprintf(xorriso->info_text, "Did not follow mount point : %s",
Text_shellsafe(disk_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
} else {
ret= Xorriso_add_tree(xorriso, (IsoDir *) node,
img_path, disk_path, own_link_stack,
1 | (flag & (2 | 64 | 128)));
}
if(ret<=0)
goto was_problem;
}
continue; /* regular bottom of loop */
was_problem:;
was_failure= 1;
fret= Xorriso_eval_problem_status(xorriso, ret, 1|2);
if(fret<0)
goto ex;
}
ret= 1;
ex:
if(sfe!=NULL)
free(sfe);
if(sfe2!=NULL)
free(sfe2);
if(disk_path!=NULL)
free(disk_path);
if(img_path!=NULL)
free(img_path);
if(link_target!=NULL)
free(link_target);
Xorriso_process_msg_queues(xorriso,0);
Linkitem_reset_stack(&own_link_stack, link_stack, 0);
Dirseq_destroy(&dirseq, 0);
if(ret<=0)
return(ret);
return(!was_failure);
}
/* @param flag bit0= cut_out mode : base on leaf parent directory
*/
int Xorriso_copy_implicit_properties(struct XorrisO *xorriso, IsoDir *dir,
char *full_img_path, char *img_path, char *full_disk_path, int flag)
{
int ret, nfic, nic, nfdc, d, i;
char nfi[SfileadrL], ni[SfileadrL], nfd[SfileadrL], *cpt;
char sfe[5*SfileadrL];
struct stat stbuf;
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, full_img_path, nfi,
1|2);
if(ret<=0)
return(ret);
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, img_path, ni, 1|2);
if(ret<=0)
return(ret);
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdx, full_disk_path, nfd,
1|2|4);
if(ret<=0)
return(ret);
nfic= Sfile_count_components(nfi, 0);
nic= Sfile_count_components(ni, 0);
nfdc= Sfile_count_components(nfd, 0);
d= nfic-(flag&1)-nic;
if(d<0)
return(-1);
if(d>nfdc)
return(0);
for(i= 0; i<d; i++) {
cpt= strrchr(nfd, '/');
if(cpt==NULL)
return(-1); /* should not happen */
*cpt= 0;
}
if(nfd[0]==0)
strcpy(nfd, "/");
if(stat(nfd, &stbuf)==-1)
return(0);
Xorriso_transfer_properties(xorriso, &stbuf, nfd, (IsoNode *) dir,
((flag&1) && d==0) | 4 | 32);
sprintf(xorriso->info_text,
"Copied properties for %s", Text_shellsafe(ni, sfe, 0));
sprintf(xorriso->info_text+strlen(xorriso->info_text),
" from %s", Text_shellsafe(nfd, sfe, 0));
if(!((flag&1) && d==0))
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
return(1);
}
/* @param bit0= copy link target properties rather than link properties
bit1= give directory x-permission where is r-permission
bit2= record dev,inode (only if enabled by xorriso)
*/
int Xorriso_copy_properties(struct XorrisO *xorriso,
char *disk_path, char *img_path, int flag)
{
int ret;
IsoNode *node;
struct stat stbuf;
ret= Xorriso_get_node_by_path(xorriso, img_path, NULL, &node, 0);
if(ret<=0)
return(ret);
if(flag & 1) {
if(stat(disk_path, &stbuf)==-1)
return(0);
} else {
if(lstat(disk_path, &stbuf)==-1)
return(0);
}
Xorriso_transfer_properties(xorriso, &stbuf, disk_path, node,
((flag & 2) >> 1) | ((flag & 1) << 5) | (flag & 4));
Xorriso_set_change_pending(xorriso, 0);
return(1);
}
/* @param boss_iter Opaque handle to be forwarded to actions in ISO image
Set to NULL if calling this function from outside ISO world
@param flag bit0= mkdir: graft in as empty directory, not as copy from disk
bit1= do not report added files
bit2= -follow, -not_*: this is not a command parameter
bit3= use offset and cut_size for cut_out_node
bit4= return 3 on rejection by exclusion or user
bit5= if directory then do not add sub tree
bit6= do not delete eventually existing node from di_array
bit7= no special handling of split file directories
@return <=0 = error , 1 = added simple node , 2 = added directory ,
3 = rejected
*/
int Xorriso_graft_in(struct XorrisO *xorriso, void *boss_iter,
char *disk_path, char *img_path,
off_t offset, off_t cut_size, int flag)
{
IsoImage *volume;
char path[SfileadrL], *apt, *npt, *cpt, sfe[5*SfileadrL], sfe2[5*SfileadrL];
char *disk_path_pt, resolved_disk_path[SfileadrL];
IsoDir *dir, *hdir;
IsoNode *node;
int done= 0, is_dir= 0, l, ret, target_is_dir, source_is_dir, resolve_link= 0;
int target_is_split;
struct stat stbuf;
ret= Xorriso_path_is_excluded(xorriso, disk_path, !(flag&4));
if(ret<0)
return(ret);
if(ret>0)
return(3*!!(flag&16));
for(cpt= img_path; 1; cpt++) {
cpt= strstr(cpt,"/.");
if(cpt==NULL)
break;
if(cpt[2]=='.') {
if(cpt[3]=='/' || cpt[3]==0)
break;
} else if(cpt[2]=='/' || cpt[2]==0)
break;
}
if(cpt!=NULL) {
Xorriso_msgs_submit(xorriso, 0, disk_path, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"Unsupported relative addressing in iso_rr_path %s (disk: %s)",
Text_shellsafe(img_path, sfe, 0), Text_shellsafe(disk_path, sfe2, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
return(0);
}
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
return(ret);
strncpy(path, img_path, sizeof(path)-1);
path[sizeof(path)-1]= 0;
apt= npt= path;
if(!(flag&1)) {
ret= lstat(disk_path, &stbuf);
if(ret!=-1) {
if(S_ISDIR(stbuf.st_mode))
is_dir= 1;
else if((stbuf.st_mode&S_IFMT)==S_IFLNK &&
(xorriso->do_follow_links ||
(xorriso->do_follow_param && !(flag&4)))) {
resolve_link= 1;
ret= stat(disk_path, &stbuf);
if(ret!=-1) {
if(S_ISDIR(stbuf.st_mode))
is_dir= 1;
}
}
}
if(ret == -1) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_msgs_submit(xorriso, 0, disk_path, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"Cannot determine attributes of source file %s",
Text_shellsafe(disk_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
return(0);
}
if(S_ISDIR(stbuf.st_mode)) {
is_dir= 1;
} else {
l= strlen(img_path);
if(l>0)
if(img_path[l-1]=='/')
l= 0;
if(l==0) {
Xorriso_msgs_submit(xorriso, 0, disk_path, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"Source %s is not a directory. Target %s would be.",
Text_shellsafe(disk_path, sfe, 0), Text_shellsafe(img_path, sfe2, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
}
}
dir= iso_image_get_root(volume);
if(dir==NULL) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"While grafting '%s' : no root node available", img_path);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(0);
}
for(npt= apt; !done; apt= npt+1) {
npt= strchr(apt, '/');
if(npt==NULL) {
npt= apt+strlen(apt);
done= 1;
} else
*npt= 0;
if(*apt==0) {
*apt= '/';
apt++;
if(done)
goto attach_source;
continue;
}
source_is_dir= (is_dir || (flag&1) || !done);
ret= Xorriso_node_from_path(xorriso, volume, path, &node, 1);
if(ret>0) {
target_is_dir= LIBISO_ISDIR(node);
target_is_split= 0;
if(target_is_dir && !(flag & 128))
target_is_split= Xorriso_is_split(xorriso, "", (void *) node, 1 | 2);
if(!((target_is_dir && !target_is_split) && source_is_dir)) {
Xorriso_process_msg_queues(xorriso,0);
/* handle overwrite situation */;
if(xorriso->do_overwrite==1 ||
(xorriso->do_overwrite==2 && !(target_is_dir && !target_is_split))) {
ret= Xorriso_rmi(xorriso, boss_iter, (off_t) 0, path,
1 | 8 | (flag & 64));
if(ret<=0)
return(ret);
if(ret==3) {
sprintf(xorriso->info_text, "User revoked adding of: %s",
Text_shellsafe(disk_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(3*!!(flag&16));
}
node= NULL;
goto handle_path_node;
}
Xorriso_msgs_submit(xorriso, 0, disk_path, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"While grafting '%s' : '%s' exists and may not be overwritten",
img_path, path);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
dir= (IsoDir *) node;
}
handle_path_node:;
if(node==NULL && source_is_dir) { /* make a directory */
ret= iso_tree_add_new_dir(dir, apt, &hdir);
if(ret<0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_msgs_submit(xorriso, 0, disk_path, 0, "ERRFILE", 0);
Xorriso_report_iso_error(xorriso, img_path, ret,
"Cannot create directory", 0, "FAILURE", 1);
sprintf(xorriso->info_text,
"While grafting '%s' : could not insert '%s'", img_path, path);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
dir= hdir;
Xorriso_set_change_pending(xorriso, 0);
iso_node_set_ctime((IsoNode *) dir, time(NULL));
iso_node_set_uid((IsoNode *) dir, geteuid());
iso_node_set_gid((IsoNode *) dir, getegid());
if(disk_path!=NULL && !done)
Xorriso_copy_implicit_properties(xorriso, dir, img_path, path, disk_path,
!!(flag&8));
}
if(done) {
attach_source:;
if(flag&1) {
/* directory node was created above */;
} else if(is_dir) {
Xorriso_transfer_properties(xorriso, &stbuf, disk_path,
(IsoNode *) dir, 4 | 32);
if(!(flag&32)) {
ret= Xorriso_add_tree(xorriso, dir, img_path, disk_path, NULL,
flag & (2 | 64 | 128));
if(ret<=0)
return(ret);
}
} else {
if(resolve_link) {
ret= Xorriso_resolve_link(xorriso, disk_path, resolved_disk_path, 0);
if(ret<=0)
return(ret);
disk_path_pt= resolved_disk_path;
} else
disk_path_pt= disk_path;
ret= Xorriso_tree_graft_node(xorriso, volume, dir, disk_path_pt, apt,
disk_path, img_path,
offset, cut_size, &node, flag&8);
if(ret<=0) {
sprintf(xorriso->info_text, "Grafting failed: %s = %s",
Text_shellsafe(img_path,sfe,0), Text_shellsafe(disk_path,sfe2,0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
Xorriso_set_change_pending(xorriso, 0);
iso_node_set_name(node, apt);
xorriso->pacifier_count++;
if(xorriso->pacifier_count%100 && !(flag&2))
Xorriso_pacifier_callback(xorriso, "files added",
xorriso->pacifier_count,
xorriso->pacifier_total, "", 0);
}
} else
*npt= '/';
}
Xorriso_process_msg_queues(xorriso,0);
return(1+!!is_dir);
}
/* @param flag bit0= -follow: disk_path is not a command parameter
*/
int Xorriso_cut_out(struct XorrisO *xorriso, char *disk_path,
off_t startbyte, off_t bytecount, char *iso_rr_path, int flag)
{
int ret;
char eff_source[SfileadrL], eff_dest[SfileadrL], sfe[SfileadrL*5];
struct stat stbuf;
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdx, disk_path, eff_source,
2|4);
if(ret<=0)
return(ret);
ret= Xorriso_path_is_excluded(xorriso, disk_path, !(flag&1));
if(ret!=0)
return(0);
if(lstat(eff_source, &stbuf)==-1) {
Xorriso_msgs_submit(xorriso, 0, eff_source, 0, "ERRFILE", 0);
sprintf(xorriso->info_text, "-cut_out: Cannot determine type of %s",
Text_shellsafe(eff_source, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
return(0);
}
if((stbuf.st_mode&S_IFMT) == S_IFLNK) {
if(!(xorriso->do_follow_links || (xorriso->do_follow_param && !(flag&1))))
goto unsupported_type;
if(stat(eff_source, &stbuf)==-1) {
Xorriso_msgs_submit(xorriso, 0, eff_source, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"-cut_out: Cannot determine link target type of %s",
Text_shellsafe(eff_source, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE",0);
return(0);
}
}
if(S_ISREG(stbuf.st_mode)) {
if(stbuf.st_size<startbyte) {
Xorriso_msgs_submit(xorriso, 0, eff_source, 0, "ERRFILE", 0);
sprintf(xorriso->info_text,
"-cut_out: Byte offset %.f larger than file size %.f",
(double) startbyte, (double) stbuf.st_size);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "SORRY", 0);
return(0);
}
} else {
unsupported_type:;
Xorriso_msgs_submit(xorriso, 0, eff_source, 0, "ERRFILE", 0);
sprintf(xorriso->info_text, "-cut_out: Unsupported file type (%s) with %s",
Ftypetxt(stbuf.st_mode, 0), Text_shellsafe(eff_source, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
return(0);
}
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, iso_rr_path, eff_dest,
2);
if(ret<=0)
return(ret);
ret= Xorriso_graft_in(xorriso, NULL, eff_source, eff_dest,
startbyte, bytecount, 8);
return(ret);
}
/* @param flag bit0= do not produce info message on success
@return 1=success,
0=was already directory, -1=was other type, -2=other error
*/
int Xorriso_mkdir(struct XorrisO *xorriso, char *path, int flag)
{
int ret;
char eff_path[SfileadrL], sfe[5*SfileadrL];
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, path, eff_path, 1);
if(ret<0)
return(-2);
if(ret>0) {
sprintf(xorriso->info_text,"-mkdir: Address already existing %s",
Text_shellsafe(eff_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
(ret==2 ? "WARNING" : "FAILURE"), 0);
return(-1+(ret==2));
}
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, path, eff_path, 2);
if(ret<0)
return(-2);
ret= Xorriso_graft_in(xorriso, NULL, NULL, eff_path, (off_t) 0, (off_t) 0, 1);
if(ret<=0)
return(-2);
if(!(flag&1)) {
sprintf(xorriso->info_text, "Created directory in ISO image: %s\n",
Text_shellsafe(eff_path,sfe,0));
Xorriso_info(xorriso, 0);
}
return(1);
}
/* @param boss_iter If not NULL then this is an iterator suitable for
iso_dir_iter_remove() which is then to be used instead
of iso_node_remove().
@param flag bit0= remove whole sub tree: rm -r
bit1= remove empty directory: rmdir
bit2= recursion: do not reassure in mode 2 "tree"
bit3= this is for overwriting and not for plain removal
bit4= count deleted files in xorriso->pacifier_count
bit5= with bit0 only remove directory content, not the directory
bit6= do not delete eventually existing node from di_array
@return <=0 = error
1 = removed simple node
2 = removed directory or tree
3 = did not remove on user revocation
*/
int Xorriso_rmi(struct XorrisO *xorriso, void *boss_iter, off_t boss_mem,
char *path, int flag)
{
int ret, is_dir= 0, pl, not_removed= 0, fret;
IsoNode *victim_node, *node;
IsoDir *boss_node, *root_dir;
IsoDirIter *iter= NULL;
IsoImage *volume;
char *sub_name, *name;
char *sfe= NULL, *sub_path= NULL;
off_t mem;
IsoNode **node_array= NULL;
int node_count= 0, node_idx;
/* Avoiding large local memory objects in order to save stack space */
sfe= malloc(5*SfileadrL);
sub_path= malloc(2*SfileadrL);
if(sfe==NULL || sub_path==NULL) {
Xorriso_no_malloc_memory(xorriso, &sfe, 0);
{ret= -1; goto ex;}
}
#ifndef Libisofs_iso_dir_iter_sufficienT
/* Ticket 127: A80301 - A80302
I do not not deem IsoDirIter safe for node list manipulations.
The parameter boss_iter once was intended to allow such but
has now been downgraded to a mere check for eventual programming bugs.
*/
if(boss_iter!=NULL) {
sprintf(xorriso->info_text,
"Program error: Xorriso_rmi() was requested to delete iterated node %s",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
ret= -1; goto ex;
}
#endif /* Libisofs_iso_dir_iter_sufficienT */
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
goto ex;
if(Xorriso_much_too_long(xorriso, strlen(path), 0)<=0)
{ret= 0; goto ex;}
ret= Xorriso_node_from_path(xorriso, volume, path, &victim_node, 0);
if(ret<=0)
goto ex;
root_dir= iso_image_get_root(volume);
if(((void *) root_dir) == ((void *) victim_node)) {
sprintf(xorriso->info_text, "May not delete root directory");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
if(LIBISO_ISDIR(victim_node))
is_dir= 1;
if(!is_dir) {
if(flag&2) { /* rmdir */
sprintf(xorriso->info_text, "%s in loaded ISO image is not a directory",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
} else {
if(flag&1) { /* rm -r */
if((xorriso->do_reassure==1 && !xorriso->request_not_to_ask) ||
(flag&32)) {
/* Iterate over subordinates and delete them */
mem= boss_mem;
ret= Xorriso_findi_iter(xorriso, (IsoDir *) victim_node, &mem,
&iter, &node_array, &node_count, &node_idx,
&node, 1|2);
if(ret<=0) {
cannot_create_iter:;
Xorriso_cannot_create_iter(xorriso, ret, 0);
ret= -1; goto ex;
}
pl= strlen(path);
strcpy(sub_path, path);
if(pl==0 || sub_path[pl-1]!='/') {
sub_path[pl++]= '/';
sub_path[pl]= 0;
}
sub_name= sub_path+pl;
while(1) {
ret= Xorriso_findi_iter(xorriso, (IsoDir *) victim_node, &mem, &iter,
&node_array, &node_count, &node_idx, &node, 0);
if(ret<0)
goto ex;
if(ret==0 || xorriso->request_to_abort)
break;
name= (char *) iso_node_get_name(node);
if(Xorriso_much_too_long(xorriso, pl+1+strlen(name), 0)<=0)
{ret= 0; goto rm_r_problem_handler;}
strcpy(sub_name, name);
ret= Xorriso_rmi(xorriso, iter, mem, sub_path,
(flag & ( 1 | 2 | 8 | 16 | 64)) | 4);
if(ret==3 || ret<=0 || xorriso->request_to_abort) {
rm_r_problem_handler:;
not_removed= 1;
fret= Xorriso_eval_problem_status(xorriso, ret, 1|2);
if(fret<0)
goto dir_not_removed;
}
}
if(flag&32)
{ret= 2; goto ex;}
if(not_removed) {
dir_not_removed:;
sprintf(xorriso->info_text, "Directory not removed: %s",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
if(ret>0)
ret= 3;
goto ex;
}
}
} else {
if(!(flag&2)) { /* not rmdir */
sprintf(xorriso->info_text, "%s in loaded ISO image is a directory",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
ret= iso_dir_get_children((IsoDir *) victim_node, &iter);
Xorriso_process_msg_queues(xorriso,0);
if(ret<0)
goto cannot_create_iter;
if(ret>0) {
if(iso_dir_iter_next(iter, &node) == 1) {
sprintf(xorriso->info_text,
"Directory not empty on attempt to delete: %s",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
}
}
}
if(xorriso->request_to_abort)
{ret= 3; goto ex;}
boss_node= iso_node_get_parent(victim_node);
Xorriso_process_msg_queues(xorriso,0);
if(boss_node==NULL) {
sprintf(xorriso->info_text,
"Cannot find parent node of %s in loaded ISO image",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
while((xorriso->do_reassure==1 || (xorriso->do_reassure==2 && !(flag&4)))
&& !xorriso->request_not_to_ask) {
/* ls -ld */
Xorriso_ls_filev(xorriso, xorriso->wdi, 1, &path, (off_t) 0, 1|2|8);
if(is_dir) /* du -s */
Xorriso_ls_filev(xorriso, xorriso->wdi, 1, &path, (off_t) 0, 2|4);
if(flag&8)
sprintf(xorriso->info_text,
"File exists. Remove ? n= keep old, y= remove, x= abort, @= stop asking\n");
else
sprintf(xorriso->info_text,
"Remove above file ? n= keep it, y= remove it, x= abort, @= stop asking\n");
Xorriso_info(xorriso, 4);
ret= Xorriso_request_confirmation(xorriso, 1|2|4|16);
if(ret<=0)
goto ex;
if(xorriso->request_to_abort) {
sprintf(xorriso->info_text,
"Removal operation aborted by user before file: %s",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= 3; goto ex;
}
if(ret==3)
continue;
if(ret==6) /* yes */
break;
if(ret==4) { /* yes, do not ask again */
xorriso->request_not_to_ask= 1;
break;
}
if(ret==1) { /* no */
sprintf(xorriso->info_text, "Kept in existing state: %s",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= 3; goto ex;
}
}
if(!(flag & 64))
Xorriso_invalidate_di_item(xorriso, victim_node, 0);
#ifdef Libisofs_iso_dir_iter_sufficienT
if(boss_iter!=NULL) {
ret= iso_dir_iter_remove((IsoDirIter *) boss_iter);
if(ret<0)
ret= -1;
} else
ret= iso_node_remove(victim_node);
#else /* ! Libisofs_iso_dir_iter_sufficienT */
ret= iso_node_remove(victim_node);
#endif /* Libisofs_iso_dir_iter_sufficienT */
Xorriso_process_msg_queues(xorriso,0);
if(ret<0) {
Xorriso_report_iso_error(xorriso, path, ret, "Cannot remove node", 0,
"FATAL", 1);
sprintf(xorriso->info_text,
"Internal failure to remove %s from loaded ISO image",
Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
ret= -1; goto ex;
}
if(flag&16)
xorriso->pacifier_count++;
Xorriso_set_change_pending(xorriso, 0);
ret= 1+!!is_dir;
ex:;
if(sfe!=NULL)
free(sfe);
if(sub_path!=NULL)
free(sub_path);
Xorriso_findi_iter(xorriso, (IsoDir *) victim_node, &mem, &iter,
&node_array, &node_count, &node_idx, &node, (1<<31));
return(ret);
}
/* @param boss_iter Opaque handle to be forwarded to actions in ISO image
Set to NULL if calling this function from outside ISO world
*/
int Xorriso_rename(struct XorrisO *xorriso, void *boss_iter,
char *origin, char *dest, int flag)
{
int ret, ol, dest_ret;
char sfe[5*SfileadrL], eff_dest[SfileadrL], dir_adr[SfileadrL], *cpt;
char *leafname, eff_origin[SfileadrL], sfe2[5*SfileadrL], *old_leafname;
IsoImage *volume;
IsoDir *origin_dir, *dest_dir;
IsoNode *node, *iso_node;
#ifndef Libisofs_iso_dir_iter_sufficienT
/* Ticket 127: A80301 - A80302
I do not not deem IsoDirIter safe for node list manipulations.
The parameter boss_iter once was intended to allow such but
has now been downgraded to a mere check for eventual programming bugs.
*/
if(boss_iter!=NULL) {
sprintf(xorriso->info_text,
"Program error: Xorriso_rename() was requested to delete iterated node %s",
Text_shellsafe(origin, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
#endif /* Libisofs_iso_dir_iter_sufficienT */
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, origin, eff_origin, 0);
if(ret<=0)
return(ret);
dest_ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, dest, eff_dest,1);
if(dest_ret<0)
return(dest_ret);
if(dest_ret==0) { /* obtain eff_dest address despite it does not exist */
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdi, dest, eff_dest, 2);
if(ret<=0)
return(ret);
}
/* Prevent that destination is a subordinate of origin
(that would be a black hole plopping out of the universe) */
ol= strlen(eff_origin);
if(ol==0) {
sprintf(xorriso->info_text, "May not rename root directory");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
} else if(strcmp(eff_origin, eff_dest)==0) {
sprintf(xorriso->info_text, "Ignored attempt to rename %s to itself",
Text_shellsafe(eff_origin,sfe,0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
return(0);
} else if(strncmp(eff_origin, eff_dest, ol)==0 &&
(eff_dest[ol]==0 || eff_dest[ol]=='/')) {
sprintf(xorriso->info_text,
"May not rename %s to its own sub address %s",
Text_shellsafe(eff_origin,sfe,0), Text_shellsafe(eff_dest,sfe2,0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
/* Check whether destination exists and may be not overwriteable */
if(dest_ret==2 && xorriso->do_overwrite!=1) {
sprintf(xorriso->info_text, "Renaming may not overwrite directory: %s",
Text_shellsafe(eff_dest, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
} else if (dest_ret==1 && !xorriso->do_overwrite) {
sprintf(xorriso->info_text, "Renaming may not overwite: %s",
Text_shellsafe(eff_dest, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
} else if(dest_ret>0) {
ret= Xorriso_rmi(xorriso, boss_iter, (off_t) 0, eff_dest, 1|8);
if(ret<=0)
return(0);
if(ret==3) {
sprintf(xorriso->info_text, "User revoked renaming of: %s",
Text_shellsafe(eff_origin, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(0);
}
}
/* Ensure existence of destination directory */
strcpy(dir_adr, eff_dest);
cpt= strrchr(dir_adr, '/');
if(cpt==NULL)
cpt= dir_adr+strlen(dir_adr);
*cpt= 0;
if(dir_adr[0]!=0) {
ret= Xorriso_graft_in(xorriso, boss_iter, NULL, dir_adr,
(off_t) 0, (off_t) 0, 1);
if(ret<=0)
return(ret);
}
/* Move node */
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
return(ret);
Xorriso_node_from_path(xorriso, volume, dir_adr, &iso_node, 0);
dest_dir= (IsoDir *) iso_node;
strcpy(dir_adr, eff_origin);
cpt= strrchr(dir_adr, '/');
if(cpt==NULL)
cpt= dir_adr+strlen(dir_adr);
*cpt= 0;
Xorriso_node_from_path(xorriso, volume, dir_adr, &iso_node, 0);
origin_dir= (IsoDir *) iso_node;
Xorriso_node_from_path(xorriso, volume, eff_origin, &node, 0);
if(dest_dir==NULL || origin_dir==NULL || node==NULL) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Internal error on rename: confirmed node turns out as NULL");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
ret= iso_node_take(node);
if(ret<0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, eff_dest, 0, "Cannot take", 0, "FATAL",1);
sprintf(xorriso->info_text,
"Internal error on rename: failed to take node");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
leafname= strrchr(eff_dest, '/');
if(leafname==NULL)
leafname= eff_dest;
else
leafname++;
old_leafname= (char *) iso_node_get_name(node);
if(strcmp(leafname, old_leafname)!=0)
ret= iso_node_set_name(node, leafname);
else
ret= 1;
if(ret<0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, eff_dest, 0, "Cannot set name", 0,
"FAILURE", 1);
return(-1);
}
Xorriso_process_msg_queues(xorriso,0);
ret= iso_dir_add_node(dest_dir, node, 0);
if(ret<0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, eff_dest, 0, "Cannot add", 0, "FATAL", 1);
sprintf(xorriso->info_text,
"Internal error on rename: failed to insert node");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
return(1);
}
int Xorriso_set_st_mode(struct XorrisO *xorriso, char *in_path,
mode_t mode_and, mode_t mode_or, int flag)
{
mode_t mode= 0;
int ret;
IsoNode *node;
char sfe[5*SfileadrL], path[SfileadrL];
ret= Xorriso_get_node_by_path(xorriso, in_path, path, &node, 0);
if(ret<=0)
return(ret);
mode= iso_node_get_permissions(node);
mode= (mode & mode_and) | mode_or;
iso_node_set_permissions(node, mode);
iso_node_set_ctime(node, time(NULL));
sprintf(xorriso->info_text,"Permissions now: %-5.5o %s",
(unsigned int) (mode & 0xffff), Text_shellsafe(path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
Xorriso_set_change_pending(xorriso, 0);
Xorriso_process_msg_queues(xorriso,0);
return(1);
}
int Xorriso_set_uid(struct XorrisO *xorriso, char *in_path, uid_t uid,
int flag)
{
int ret;
IsoNode *node;
ret= Xorriso_get_node_by_path(xorriso, in_path, NULL, &node, 0);
if(ret<=0)
return(ret);
iso_node_set_uid(node, uid);
iso_node_set_ctime(node, time(NULL));
Xorriso_set_change_pending(xorriso, 0);
Xorriso_process_msg_queues(xorriso,0);
return(1);
}
int Xorriso_set_gid(struct XorrisO *xorriso, char *in_path, gid_t gid,
int flag)
{
int ret;
IsoNode *node;
ret= Xorriso_get_node_by_path(xorriso, in_path, NULL, &node, 0);
if(ret<=0)
return(ret);
iso_node_set_gid(node, gid);
iso_node_set_ctime(node, time(NULL));
Xorriso_set_change_pending(xorriso, 0);
Xorriso_process_msg_queues(xorriso,0);
return(1);
}
/* @parm flag bit0= atime, bit1= ctime, bit2= mtime, bit8=no auto ctime */
int Xorriso_set_time(struct XorrisO *xorriso, char *in_path, time_t t,
int flag)
{
int ret;
IsoNode *node;
ret= Xorriso_get_node_by_path(xorriso, in_path, NULL, &node, 0);
if(ret<=0)
return(ret);
if(flag&1)
iso_node_set_atime(node, t);
if(flag&2)
iso_node_set_ctime(node, t);
if(flag&4)
iso_node_set_mtime(node, t);
if(!(flag&(2|256)))
iso_node_set_ctime(node, time(NULL));
Xorriso_set_change_pending(xorriso, 0);
Xorriso_process_msg_queues(xorriso,0);
return(1);
}
/*
Apply the effect of mkisofs -r to a single node
*/
int Xorriso_mkisofs_lower_r(struct XorrisO *xorriso, IsoNode *node, int flag)
{
mode_t perms;
perms= iso_node_get_permissions(node);
iso_node_set_uid(node, (uid_t) 0);
iso_node_set_gid(node, (gid_t) 0);
perms|= S_IRUSR | S_IRGRP | S_IROTH;
perms&= ~(S_IWUSR | S_IWGRP | S_IWOTH);
if(perms & (S_IXUSR | S_IXGRP | S_IXOTH))
perms|= (S_IXUSR | S_IXGRP | S_IXOTH);
perms&= ~(S_ISUID | S_ISGID | S_ISVTX);
iso_node_set_permissions(node, perms);
return(1);
}
/* @param node Opaque handle to IsoNode which is to be manipulated
instead of path if it is not NULL.
@param path is used as address if node is NULL.
@param access_text "access" ACL in long text form
@param default_text "default" ACL in long text form
@param flag bit0= do not warn of root directory if not capable of AAIP
@return >0 success , <=0 failure
*/
int Xorriso_setfacl(struct XorrisO *xorriso, void *in_node, char *path,
char *access_text, char *default_text, int flag)
{
int ret;
IsoNode *node;
node= (IsoNode *) in_node;
if(node == NULL) {
ret= Xorriso_get_node_by_path(xorriso, path, NULL, &node, 0);
if(ret<=0)
goto ex;
}
ret= iso_node_set_acl_text(node, access_text, default_text, 0);
if(ret <= 0) {
if(path != NULL && path[0] != 0) {
strcpy(xorriso->info_text, "Error with setting ACL of ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
ret= 0; goto ex;
}
Xorriso_set_change_pending(xorriso, 0);
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso,0);
return(ret);
}
/* @param in_node Opaque handle to IsoNode which is to be manipulated
instead of path if it is not NULL.
@param path is used as address if node is NULL.
@param num_attrs Number of attributes
@param names Array of pointers to 0 terminated name strings
@param value_lengths Array of byte lengths for each attribute payload
@param values Array of pointers to the attribute payload bytes
@param flag bit0= Do not maintain eventual existing ACL of the node
bit1= Do not clear the existing attribute list
bit2= Delete the attributes with the given names
bit3= Allow non-user attributes.
bit4= do not warn of root if incapable of AAIP
@return >0 success , <=0 failure
*/
int Xorriso_setfattr(struct XorrisO *xorriso, void *in_node, char *path,
size_t num_attrs, char **names,
size_t *value_lengths, char **values, int flag)
{
int ret;
IsoNode *node;
node= (IsoNode *) in_node;
if(node == NULL) {
ret= Xorriso_get_node_by_path(xorriso, path, NULL, &node, 0);
if(ret<=0)
goto ex;
}
ret= iso_node_set_attrs(node, num_attrs, names, value_lengths, values,
flag & (1 | 2 | 4 | 8));
Xorriso_process_msg_queues(xorriso,0);
if(ret <= 0) {
Xorriso_report_iso_error(xorriso, "", ret,
"Error when setting ACL and xattr to image node",
0, "FAILURE", 1);
if(path != NULL && path[0] != 0) {
strcpy(xorriso->info_text, "Error with setting xattr of ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
ret= 0; goto ex;
}
Xorriso_set_change_pending(xorriso, 0);
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso,0);
return(ret);
}
/*
@param flag bit0= use parameters dev,ino rather than disk_path
bit1= compare attribute rather than setting it
return: 0=dev,ino match, 1=mismatch, 2=no node attribute
-1=error
bit5= if not bit0:
transfer dev,inode from eventual link target
bit7= omit dev check mit bit1
*/
int Xorriso_record_dev_inode(struct XorrisO *xorriso, char *disk_path,
dev_t dev, ino_t ino,
void *in_node, char *iso_path, int flag)
{
size_t l, di_l= 0;
int i, ret;
dev_t hdev;
ino_t hino;
char buf[66], *bufpt, *wpt, *di= NULL;
static char *name= "isofs.di";
struct stat stbuf;
if(!(flag & 1)) {
if(flag & 32) {
if(stat(disk_path, &stbuf) == -1)
return(-1);
} else {
if(lstat(disk_path, &stbuf) == -1)
return(-1);
}
dev= stbuf.st_dev;
ino= stbuf.st_ino;
}
wpt= buf;
hdev= dev;
for(i= 0; hdev != 0; i++)
hdev= hdev >> 8;
l= i;
*(wpt++)= l;
for(i= 0; i < l; i++)
*(wpt++)= dev >> (8 * (l - i - 1));
hino= ino;
for(i= 0; hino != 0; i++)
hino= hino >> 8;
l= i;
*(wpt++)= l;
for(i= 0; i < l; i++)
*(wpt++)= ino >> (8 * (l - i - 1));
l= wpt - buf;
bufpt= buf;
if(flag & 2) {
/* Compare node attribute with bufpt,l */
ret= Xorriso_get_attr_value(xorriso, in_node, iso_path,
"isofs.di", &di_l, &di, 0);
if(ret < 0)
goto ex;
if(ret == 0)
{ret= 2; goto ex;}
if(flag & 128) {
if(di_l <= 0)
{ret= 1; goto ex;}
hino= 0;
for(i= di[0] + 2; i < di_l && i - di[0] - 2 < di[(int) di[0] + 1]; i++)
hino= (hino << 8) | ((unsigned char *) di)[i];
if(hino != ino)
{ret= 1; goto ex;}
} else {
if(l != di_l)
{ret= 1; goto ex;}
for(i= 0; i < l; i++)
if(di[i] != buf[i])
{ret= 1; goto ex;}
}
ret= 0;
} else {
ret= Xorriso_setfattr(xorriso, in_node, iso_path,
(size_t) 1, &name, &l, &bufpt, 2 | 8);
}
ex:;
if(di != NULL)
free(di);
return(ret);
}
/* @return see Xorriso_update_interpreter()
*/
int Xorriso_widen_hardlink(struct XorrisO *xorriso, void * boss_iter,
IsoNode *node,
char *abs_path, char *iso_prefix, char *disk_prefix,
int flag)
{
int ret= 0, idx, low, high, i, do_widen= 0, compare_result= 0;
char disk_path[SfileadrL];
/* Lookup all di_array instances of node */
if(LIBISO_ISDIR(node))
return(3);
ret= Xorriso_search_di_range(xorriso, node, &idx, &low, &high, 2);
if(ret <= 0)
return(3);
/* Check and reset di_do_widen bits */
for(i= low; i <= high; i++) {
if(node != xorriso->di_array[i]) /* might be NULL */
continue;
if(xorriso->di_do_widen[i / 8] & (1 << (i % 8)))
do_widen= 1;
xorriso->di_do_widen[i / 8]&= ~(1 << (i % 8));
}
if(idx < 0 || !do_widen)
return(3);
ret= Xorriso_pfx_disk_path(xorriso, abs_path, iso_prefix, disk_prefix,
disk_path, 0);
if(ret <= 0)
return(ret);
ret= Sfile_type(disk_path, 1);
if(ret < 0)
return(3); /* does not exist on disk */
/* >>> compare_result bit17 = is_split */;
ret= Xorriso_update_interpreter(xorriso, boss_iter, compare_result, disk_path,
abs_path, 1);
if(ret <= 0)
return(ret);
return(ret);
}
int Xorriso_cannot_create_iter(struct XorrisO *xorriso, int iso_error,int flag)
{
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", iso_error, "Cannot create iter", 0,
"FATAL", 1);
sprintf(xorriso->info_text, "Cannot create IsoDirIter object");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(1);
}
/* The caller shall make no assumptions about the meaning of iter, node_array,
node_count, node_idx ! They are just opaque handles for which the caller
provides the memory of proper type.
@param flag bit0= initialize iteration
bit1= action needs full freedom of object manipulation
bit2= action needs LBA sorted iteration
bit31= end iteration (mandatory !)
*/
int Xorriso_findi_iter(struct XorrisO *xorriso, IsoDir *dir_node, off_t *mem,
IsoDirIter **iter,
IsoNode ***node_array, int *node_count, int *node_idx,
IsoNode **iterated_node, int flag)
{
int ret, i;
IsoNode *node;
off_t new_mem= 0;
char mem_text[80], limit_text[80];
if(flag&1) {
*node_array= NULL;
*node_count= -1;
*node_idx= 0;
*iter= NULL;
ret= iso_dir_get_children(dir_node, iter);
if(ret<0) {
cannot_iter:;
Xorriso_cannot_create_iter(xorriso, ret, 0);
return(-1);
}
if((flag&2)|(flag&4)) {
/* copy list of nodes and prepare soft iterator */
*node_count= 0;
while(iso_dir_iter_next(*iter, &node) == 1)
(*node_count)++;
iso_dir_iter_free(*iter);
*iter= NULL;
new_mem= ((*node_count)+1) * sizeof(IsoNode *);
if(new_mem > xorriso->temp_mem_limit) {
Sfile_scale((double) new_mem, mem_text, 5,1e4, 0);
Sfile_scale((double) xorriso->temp_mem_limit, limit_text, 5,1e4, 0);
sprintf(xorriso->info_text,
"Stacked directory snapshots exceed -temp_mem_limit (%s > %s)",
mem_text, limit_text);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
*node_count= -1;
return(-1);
}
(*node_array)= (IsoNode **) calloc((*node_count)+1, sizeof(IsoNode *));
if(*node_array == NULL) {
sprintf(xorriso->info_text,
"Could not allocate inode list of %.f bytes",
((double) (*node_count)+1) * (double) sizeof(IsoNode *));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
*node_count= -1;
return(-1);
}
*mem= new_mem;
ret= iso_dir_get_children(dir_node, iter);
if(ret<0)
goto cannot_iter;
while(iso_dir_iter_next(*iter, &node) == 1 && *node_idx < *node_count) {
(*node_array)[*node_idx]= node;
iso_node_ref(node);
(*node_idx)++;
}
iso_dir_iter_free(*iter);
*iter= NULL;
*node_count= *node_idx;
*node_idx= 0;
if((flag&4) && *node_count>1)
qsort(*node_array, *node_count, sizeof(IsoNode *),
Xorriso__node_lba_cmp);
}
}
if(flag&(1<<31)) {
if(*node_count>=0 && *node_array!=NULL) {
for(i= 0; i<*node_count; i++)
iso_node_unref((*node_array)[i]);
free(*node_array);
*node_array= NULL;
*node_count= -1;
*node_idx= 0;
} else {
if(*iter!=NULL)
iso_dir_iter_free(*iter);
*iter= NULL;
}
}
if(flag&(1|(1<<31)))
return(1);
if(*node_count>=0) {
/* return next node_array element */
if(*node_idx>=*node_count)
return(0);
*iterated_node= (*node_array)[*node_idx];
(*node_idx)++;
} else {
ret= iso_dir_iter_next(*iter, iterated_node);
return(ret == 1);
}
return(1);
}
/* @param flag bit0= not a command parameter (directory iteration or recursion)
bit1= do not count deleted files with rm and rm_r
@return <=0 error,
1=ok
2=ok, node has been deleted,
3=ok, do not dive into directory (e.g. because it is a split file)
*/
int Xorriso_findi_action(struct XorrisO *xorriso, struct FindjoB *job,
IsoDirIter *boss_iter, off_t boss_mem,
char *abs_path, char *show_path,
IsoNode *node, int depth, int flag)
{
int ret= 0, type, action= 0, hflag, deleted= 0, no_dive= 0;
uid_t user= 0;
gid_t group= 0;
time_t date= 0;
mode_t mode_or= 0, mode_and= ~1;
char *target, *text_2, sfe[5*SfileadrL], *iso_prefix, md5[16];
struct FindjoB *subjob;
struct stat dir_stbuf;
action= Findjob_get_action_parms(job, &target, &text_2, &user, &group,
&mode_and, &mode_or, &type, &date, &subjob, 0);
if(action<0)
action= 0;
hflag= 16*!(flag&2);
ret= 1;
if(action==1) { /* rm (including rmdir) */
ret= Xorriso_fake_stbuf(xorriso, abs_path, &dir_stbuf, &node, 1);
if(ret>0) {
if(S_ISDIR(dir_stbuf.st_mode))
hflag= 2;
ret= Xorriso_rmi(xorriso, boss_iter, boss_mem, abs_path, hflag);
deleted= 1;
}
} else if(action==2) { /* rm_r */
ret= Xorriso_rmi(xorriso, boss_iter, boss_mem, abs_path, 1|hflag);
deleted= 1;
} else if(action==3) {
/* >>> mv target */;
} else if(action==4) { /* chown */
ret= Xorriso_set_uid(xorriso, abs_path, user, 0);
} else if(action==5) { /* chgrp */
ret= Xorriso_set_gid(xorriso, abs_path, group, 0);
} else if(action==6) { /* chmod */
ret= Xorriso_set_st_mode(xorriso, abs_path, mode_and, mode_or, 0);
} else if(action==7) { /* alter_date */
ret= Xorriso_set_time(xorriso, abs_path, date, type&7);
} else if(action==8) { /* lsdl */
ret= Xorriso_ls_filev(xorriso, "", 1, &abs_path, (off_t) 0, 1|2|8);
} else if(action>=9 && action<=13) { /* actions which have own findjobs */
Findjob_set_start_path(subjob, abs_path, 0);
ret= Xorriso_findi(xorriso, subjob, boss_iter, boss_mem, NULL,
abs_path, &dir_stbuf, depth, 1);
} else if(action==14 || action==17) { /* compare , update */
Findjob_get_start_path(job, &iso_prefix, 0);
ret= Xorriso_find_compare(xorriso, (void *) boss_iter, abs_path,
iso_prefix, target, (action==17)|((flag&1)<<1));
if(ret==2)
deleted= 1;
if(ret==3)
no_dive= 1;
if(ret>=0)
ret= 1;
} else if(action==16 || action==18) { /* not_in_iso , add_missing */
;
} else if(action == 21) { /* report_damage */
ret= Xorriso_report_damage(xorriso, show_path, node, 0);
} else if(action == 22) {
ret= Xorriso_report_lba(xorriso, show_path, node, 0);
} else if(action == 23) { /* internal: memorize path of last matching node */
ret= Findjob_set_found_path(job, show_path, 0);
} else if(action == 24) {
ret= Xorriso_getfacl(xorriso, (void *) node, show_path, NULL, 0);
} else if(action == 25) {
if(target == NULL || target[0] || text_2 == NULL || text_2[0])
ret= Xorriso_setfacl(xorriso, (void *) node, show_path, target, text_2,0);
} else if(action == 26) {
ret= Xorriso_getfattr(xorriso, (void *) node, show_path, NULL, 0);
} else if(action == 27) {
ret= Xorriso_path_setfattr(xorriso, (void *) node, show_path,
target, strlen(text_2), text_2, 0);
} else if(action == 28) { /* set_filter */
ret= Xorriso_set_filter(xorriso, (void *) node, show_path, target, 1 | 2);
} else if(action == 29) { /* show_stream */
ret= Xorriso_show_stream(xorriso, (void *) node, show_path, 1 | 2);
} else if(action == 30) { /* internal: count */
xorriso->node_counter++;
} else if(action == 31) { /* internal: register */
if(xorriso->node_counter < xorriso->node_array_size) {
xorriso->node_array[xorriso->node_counter++]= (void *) node;
iso_node_ref(node); /* In case node gets deleted from tree during
the lifetime of xorriso->node_array */
}
} else if(action == 32) { /* internal: widen_hardlinks disk_equiv */
Findjob_get_start_path(job, &iso_prefix, 0);
ret= Xorriso_widen_hardlink(xorriso, (void *) boss_iter, node, abs_path,
iso_prefix, target, 0);
if(ret==2)
deleted= 1;
} else if(action == 33) { /* get_any_xattr */
ret= Xorriso_getfattr(xorriso, (void *) node, show_path, NULL, 8);
} else if(action == 34) { /* get_md5 */
ret= Xorriso_get_md5(xorriso, (void *) node, show_path, md5, 0);
if(ret >= 0)
ret= 1;
} else if(action == 35) { /* check_md5 */
ret= Xorriso_check_md5(xorriso, (void *) node, show_path, 2);
if(ret == 0)
xorriso->find_check_md5_result|= 1;
else if(ret < 0)
xorriso->find_check_md5_result|= 2;
else if(ret == 1)
xorriso->find_check_md5_result|= 8;
else if(ret == 2)
xorriso->find_check_md5_result|= 4;
if(ret >= 0)
ret= 1;
} else if(action == 36) { /* make_md5 */
ret= Xorriso_make_md5(xorriso, (void *) node, show_path, 0);
if(ret >= 0)
ret= 1;
} else if(action == 37) { /* mkisofs_r */
ret= Xorriso_mkisofs_lower_r(xorriso, node, 0);
} else if(action == 38) { /* sort_weight */
iso_node_set_sort_weight(node, type);
} else { /* includes : 15 in_iso */
sprintf(xorriso->result_line, "%s\n", Text_shellsafe(show_path, sfe, 0));
Xorriso_result(xorriso, 0);
ret= 1;
}
if(ret<=0)
return(ret);
if(deleted)
return(2);
if(no_dive)
return(3);
return(1);
}
int Exprtest_match(struct XorrisO *xorriso, struct ExprtesT *ftest,
void *node_pt, char *name, char *path,
struct stat *boss_stbuf, struct stat *stbuf, int flag)
/*
return:
<0 = error
0 = does not match
1 = does match
2 = immediate decision : does not match
3 = immediate decision : does match
*/
{
int value=0, ret, start_lba, end_lba;
int lba_count, *file_end_lbas= NULL, *file_start_lbas= NULL, i;
void *arg1, *arg2;
char ft, *decision, md5[16];
regmatch_t name_match;
off_t damage_start, damage_end, size;
void *xinfo_dummy;
IsoNode *node;
IsoStream *stream;
if(ftest == NULL)
return(1);
node= (IsoNode *) node_pt;
arg1= ftest->arg1;
arg2= ftest->arg2;
if(node == NULL) {
if(ftest->test_type > 2 && ftest->test_type != 4) {
value= 0;
goto ex;
}
}
switch(ftest->test_type) {
case 0: /* -false */
value= 0;
break; case 1: /* -name *arg1 (regex in *arg2) */
ret= regexec(arg2, name, 1, &name_match, 0);
value= !ret;
break; case 2: /* -type *arg1 */
value= 1;
ft= *((char *) arg1);
if(ft!=0) {
if(S_ISBLK(stbuf->st_mode)) {
if(ft!='b')
value= 0;
} else if(S_ISCHR(stbuf->st_mode)) {
if(ft!='c')
value= 0;
} else if(S_ISDIR(stbuf->st_mode)) {
if(ft=='m') {
if(node != NULL)
value= 0;
else if(boss_stbuf==NULL)
value= 0;
else if(boss_stbuf->st_dev == stbuf->st_dev)
value= 0;
} else if(ft!='d')
value= 0;
} else if(S_ISFIFO(stbuf->st_mode)) {
if(ft!='p')
value= 0;
} else if(S_ISREG(stbuf->st_mode)) {
if(ft!='f' && ft!='-')
value= 0;
} else if(((stbuf->st_mode)&S_IFMT)==S_IFLNK) {
if(ft!='l')
value= 0;
} else if(((stbuf->st_mode)&S_IFMT)==S_IFSOCK) {
if(ft!='s')
value= 0;
} else if((flag & 1) && ((stbuf->st_mode) & S_IFMT) == Xorriso_IFBOOT) {
if(ft!='e' || node == NULL)
value= 0;
} else {
if(ft!='X')
value= 0;
}
}
break; case 3: /* -damaged */;
value= Xorriso_file_eval_damage(xorriso, node, &damage_start, &damage_end,
0);
if(value > 0)
value= 1;
break; case 4: /* -lba_range *arg1 *arg2 */
value= 1;
start_lba= *((int *) ftest->arg1);
end_lba= *((int *) ftest->arg2);
if(node == NULL) {
value= !(start_lba >= 0);
goto ex;
}
ret= Xorriso__start_end_lbas(node, &lba_count,
&file_start_lbas, &file_end_lbas, &size, 0);
if(ret <= 0) {
if(ret < 0)
Xorriso_process_msg_queues(xorriso, 0);
if(start_lba >= 0)
value= 0;
} else {
for(i= 0; i < lba_count; i++) {
if(start_lba >= 0) {
if(file_end_lbas[i] < start_lba || file_start_lbas[i] > end_lba)
value= 0;
} else {
if(file_end_lbas[i] >= -start_lba && file_start_lbas[i] <= -end_lba)
value= 0;
}
}
}
break; case 5: /* -has_acl */
ret = Xorriso_getfacl(xorriso, (void *) node, "", NULL, 2);
if(ret <= 0) {
value= -1;
Xorriso_process_msg_queues(xorriso, 0);
goto ex;
}
value= (ret == 1);
break; case 6: /* -has_xattr */
case 14: /* -has_any_xattr */
ret = Xorriso_getfattr(xorriso, (void *) node, "", NULL,
64 | (8 * (ftest->test_type == 14)));
if(ret < 0) {
value= -1;
Xorriso_process_msg_queues(xorriso, 0);
goto ex;
}
value= (ret > 0);
break; case 7: /* -has_aaip */
ret= iso_node_get_xinfo(node, aaip_xinfo_func, &xinfo_dummy);
if(ret < 0) {
value= -1;
Xorriso_process_msg_queues(xorriso, 0);
goto ex;
}
value= (ret > 0);
break; case 8: /* -has_filter */
value= 0;
if(LIBISO_ISREG(node)) {
stream= iso_file_get_stream((IsoFile *) node);
if(iso_stream_get_input_stream(stream, 0) != NULL)
value= 1;
}
break; case 9: /* -wanted_node arg1 (for internal use) */
value= (((IsoNode *) arg1) == node);
break; case 10: /* -pending_data */
value= 1;
if(!LIBISO_ISREG(node)) {
value= 0;
} else {
ret= Xorriso__file_start_lba(node, &start_lba, 0);
if(ret > 0 && start_lba >= 0)
value= 0;
}
break; case 11: /* -decision */
value= 2;
decision= (char *) arg1;
if(strcmp(decision, "yes") == 0 || strcmp(decision, "true") == 0)
value= 3;
break; case 12: /* -prune */
value= 1;
ftest->boss->prune= 1;
break; case 13: /* -wholename *arg1 (regex in *arg2) */
ret= regexec(arg2, path, 1, &name_match, 0);
value= !ret;
break; case 15: /* -has_md5 */
ret= Xorriso_get_md5(xorriso, node, path, md5, 1);
value= (ret > 0);
break; default:
/* >>> complain about unknown test type */;
value= -1;
}
ex:;
if(ftest->invert && value<=1 && value>=0)
value= !value;
if(file_start_lbas != NULL)
free((char *) file_start_lbas);
if(file_end_lbas != NULL)
free((char *) file_end_lbas);
return(value);
}
/* @return <0 = error , 0 = no match , 1 = match */
int Xorriso_findi_test(struct XorrisO *xorriso, struct FindjoB *job,
IsoNode *node, char *name, char *path,
struct stat *boss_stbuf, struct stat *stbuf,
int depth, int flag)
{
int ret;
job->prune= 0;
ret= Findjob_test_2(xorriso, job, node, name, path, boss_stbuf, stbuf, 1);
if(ret <= 0)
return(ret);
return(1);
}
int Xorriso_findi_headline(struct XorrisO *xorriso, struct FindjoB *job,
int flag)
{
int action;
action= Findjob_get_action(job, 0);
if(action == 21) { /* report_damage */
sprintf(xorriso->result_line, "Report layout: %8s , %8s , %8s , %s\n",
"at byte", "Range", "Filesize", "ISO image path");
Xorriso_result(xorriso, 0);
} else if(action == 22) { /* report_lba */
sprintf(xorriso->result_line,
"Report layout: %2s , %8s , %8s , %8s , %s\n",
"xt", "Startlba", "Blocks", "Filesize", "ISO image path");
Xorriso_result(xorriso, 0);
}
return(1);
}
/* @param flag bit0= recursion
bit1= do not count deleted files with rm and rm_r
bit2= do not dive into split file directories
(implicitly given with actions 14=compare and 17=update)
@return <=0 error, 1= ok , 2= dir node and path has been deleted
*/
int Xorriso_findi(struct XorrisO *xorriso, struct FindjoB *job,
void *boss_iter, off_t boss_mem,
void *dir_node_generic, char *dir_path,
struct stat *dir_stbuf, int depth, int flag)
{
int ret, action= 0, hflag, deleted= 0, no_dive= 0;
IsoDirIter *iter= NULL;
IsoDir *dir_node= NULL;
IsoNode *node, *iso_node;
IsoImage *volume= NULL;
struct stat stbuf;
char *name;
off_t mem;
IsoNode **node_array= NULL;
int node_count, node_idx;
char *path= NULL, *abs_path= NULL;
if(xorriso->request_to_abort)
{ret= 0; goto ex;}
path= malloc(SfileadrL);
abs_path= malloc(SfileadrL);
if(path==NULL || abs_path==NULL) {
Xorriso_no_malloc_memory(xorriso, &path, 0);
{ret= -1; goto ex;}
}
action= Findjob_get_action(job, 0);
if(action<0)
action= 0;
if(!(flag & 1))
Xorriso_findi_headline(xorriso, job, 0);
dir_node= (IsoDir *) dir_node_generic;
if(dir_node==NULL) {
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
{ret= -1; goto ex;}
ret= Xorriso_make_abs_adr(xorriso, xorriso->wdi, dir_path, path, 1|2|4);
if(ret<=0)
goto ex;
ret= Xorriso_node_from_path(xorriso, volume, path, &iso_node, 0);
dir_node= (IsoDir *) iso_node;
if(ret<=0)
{ret= 0; goto ex;}
ret= Xorriso_fake_stbuf(xorriso, "", dir_stbuf, &iso_node, 1);
if(ret<=0)
goto ex;
name= strrchr(dir_path, '/');
if(name==NULL)
name= dir_path;
else
name++;
ret= Xorriso_findi_test(xorriso, job, iso_node, name, path, NULL, dir_stbuf,
depth, 0);
if(ret<0)
goto ex;
if(job->prune)
no_dive= 1;
if(ret>0) {
iso_node_ref(iso_node); /* protect from real disposal */
ret= Xorriso_findi_action(xorriso, job,
(IsoDirIter *) boss_iter, boss_mem,
path, dir_path, iso_node, depth,
flag&(1|2));
deleted= (iso_node_get_parent(iso_node) == NULL); /* still in tree ? */
iso_node_unref(iso_node); /* eventually do real disposal */
if(ret<=0)
goto ex;
if(xorriso->request_to_abort)
{ret= 0; goto ex;}
if(ret==2 || deleted) {
/* re-determine dir_node in case it has a new persona */
ret= Xorriso_node_from_path(xorriso, volume, path, &iso_node, 1);
if(ret==0) {
deleted= 1;
{ret= 2; goto ex;}
}
if(ret<0)
{ret= 0; goto ex;}
dir_node= (IsoDir *) iso_node;
ret= Xorriso_fake_stbuf(xorriso, "", dir_stbuf, &iso_node, 1);
if(ret<=0)
goto ex;
}
if(ret==3)
no_dive= 1;
}
}
if(no_dive || !LIBISO_ISDIR((IsoNode *) dir_node))
{ret= 1; goto ex;}
if(action == 14 || action == 17 || (flag & 4))
if(Xorriso_is_split(xorriso, dir_path, (IsoNode *) dir_node, 1)>0)
{ret= 1; goto ex;}
mem= boss_mem;
hflag= 1;
if(action==1 || action==2 || action==3 || action==17 || action == 28 ||
action == 32)
hflag|= 2; /* need freedom to manipulate image */
if(action==14 || action==17 || action == 28 || action == 35 || action == 36)
hflag|= 4; /* need LBA sorted iteration for good data reading performance */
ret= Xorriso_findi_iter(xorriso, dir_node, &mem,
&iter, &node_array, &node_count, &node_idx,
&node, hflag);
if(ret<=0)
goto ex;
while(1) {
ret= Xorriso_findi_iter(xorriso, dir_node, &mem, &iter,
&node_array, &node_count, &node_idx, &node, 0);
if(ret<0)
goto ex;
if(ret==0)
break;
name= (char *) iso_node_get_name(node);
ret= Xorriso_make_abs_adr(xorriso, dir_path, name, path, 4);
if(ret<=0)
goto ex;
ret= Xorriso_fake_stbuf(xorriso, "", &stbuf, &node, 1);
if(ret<0)
goto ex;
if(ret==0)
continue;
/* ??? This seems to be redundant with the single test above
??? Should i dive in unconditionally and leave out test and action here ?
??? Then do above test unconditionally ?
--- Seems that the current configuration represents the special
handling of the find start path with mount points. Dangerous to change.
*/
ret= Xorriso_findi_test(xorriso, job, node, name, path, dir_stbuf, &stbuf,
depth, 0);
if(ret<0)
goto ex;
if(job->prune)
no_dive= 1;
if(ret>0) {
ret= Xorriso_make_abs_adr(xorriso, xorriso->wdi, path, abs_path, 1|2|4);
if(ret<=0)
goto ex;
ret= Xorriso_findi_action(xorriso, job, iter, mem,
abs_path, path, node, depth, 1|(flag&2));
if(xorriso->request_to_abort)
{ret= 0; goto ex;}
if(ret==2) { /* node has been deleted */
/* re-determine node in case it has a new persona */
if(volume==NULL) {
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
{ret= -1; goto ex;}
}
ret= Xorriso_node_from_path(xorriso, volume, abs_path, &node, 1);
if(ret==0)
continue;
if(ret<0)
{ret= 0; goto ex;}
ret= Xorriso_fake_stbuf(xorriso, "", &stbuf, &node, 1);
if(ret<0)
goto ex;
if(ret==0)
continue;
}
no_dive= (ret==3);
if(ret<=0) {
if(Xorriso_eval_problem_status(xorriso, ret, 1|2)<0)
goto ex;
}
}
if(S_ISDIR(stbuf.st_mode) && !no_dive) {
ret= Xorriso_findi(xorriso, job, (void *) iter, mem,
(void *) node, path, &stbuf, depth+1, flag|1);
if(ret<0)
goto ex;
}
}
ret= 1;
ex:;
if(path!=NULL)
free(path);
if(abs_path!=NULL)
free(abs_path);
Xorriso_process_msg_queues(xorriso,0);
Xorriso_findi_iter(xorriso, dir_node, &mem, &iter, &node_array, &node_count,
&node_idx, &node, (1<<31));
if(ret<=0)
return(ret);
if(deleted)
return(2);
return(1);
}
/* @param flag bit0= do not dive into trees
bit1= do not perform job->action on resulting node array
bit2= do not free node_array after all actions are done
*/
int Xorriso_findi_sorted(struct XorrisO *xorriso, struct FindjoB *job,
off_t boss_mem, int filec, char **filev, int flag)
{
int i, ret, find_flag= 0;
struct FindjoB array_job, *proxy_job= NULL, *hindmost= NULL, *hmboss= NULL;
struct stat dir_stbuf;
IsoNode *node;
char abs_path[SfileadrL];
off_t mem_needed= 0;
array_job.start_path= NULL;
if(job->action == 14 || job->action == 17)
find_flag|= 4;
if(job->action>=9 && job->action<=13) { /* actions which have own findjobs */
/* array_job replaces the hindmost job in the chain */
for(hindmost= job; hindmost->subjob != NULL; hindmost= hindmost->subjob)
hmboss= hindmost;
if(hmboss == NULL)
{ret= -1; goto ex;}
memcpy(&array_job, hindmost, sizeof(struct FindjoB));
hmboss->subjob= &array_job;
proxy_job= job;
} else {
memcpy(&array_job, job, sizeof(struct FindjoB));
proxy_job= &array_job;
hindmost= job;
}
array_job.start_path= NULL; /* is owned by the original, not by array_job */
/* Count matching nodes */
Xorriso_destroy_node_array(xorriso, 0);
array_job.action= 30; /* internal: count */
for(i= 0; i < filec; i++) {
if(flag & 1) {
xorriso->node_counter++;
continue;
}
ret= Findjob_set_start_path(proxy_job, filev[i], 0);
if(ret <= 0)
goto ex;
ret= Xorriso_findi(xorriso, proxy_job, NULL, boss_mem, NULL,
filev[i], &dir_stbuf, 0, find_flag);
if(ret <= 0)
goto ex;
}
if(xorriso->node_counter <= 0)
{ret= 1; goto ex;}
mem_needed= boss_mem + xorriso->node_counter * sizeof(IsoNode *);
if(!(flag &1)) {
ret= Xorriso_check_temp_mem_limit(xorriso, mem_needed, 0);
if(ret <= 0) {
/* Memory curbed : Perform unsorted find jobs */
if(hmboss != NULL)
hmboss->subjob= hindmost;
for(i= 0; i < filec; i++) {
ret= Findjob_set_start_path(job, filev[i], 0);
if(ret <= 0)
goto ex;
ret= Xorriso_findi(xorriso, job, NULL, boss_mem, NULL,
filev[i], &dir_stbuf, 0, find_flag);
if(ret <= 0)
if(Xorriso_eval_problem_status(xorriso, ret, 1|2)<0)
goto ex;
}
{ret= 1; goto ex;}
}
}
/* Copy matching nodes into allocated array */
ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, 0, 0);
if(ret <= 0)
goto ex;
array_job.action= 31; /* internal: register */
xorriso->node_counter= 0;
for(i= 0; i < filec; i++) {
if(flag & 1) {
ret= Xorriso_get_node_by_path(xorriso, filev[i], NULL, &node, 0);
if(ret <= 0)
goto ex;
if(xorriso->node_counter < xorriso->node_array_size) {
xorriso->node_array[xorriso->node_counter++]= (void *) node;
iso_node_ref(node);
}
continue;
}
ret= Findjob_set_start_path(proxy_job, filev[i], 0);
if(ret <= 0)
goto ex;
ret= Xorriso_findi(xorriso, proxy_job, NULL, mem_needed, NULL,
filev[i], &dir_stbuf, 0, find_flag);
if(ret <= 0)
goto ex;
}
Xorriso_sort_node_array(xorriso, 0);
if(flag & 2)
{ret= 1; goto ex;}
/* Perform job->action on xorriso->node_array */
/* Headlines of actions report_damage , report_lba */;
Xorriso_findi_headline(xorriso, job, 0);
for(i= 0; i < xorriso->node_counter; i++) {
node= xorriso->node_array[i];
ret= Xorriso_path_from_node(xorriso, node, abs_path, 0);
if(ret < 0)
goto ex;
if(ret == 0)
continue; /* node is deleted from tree meanwhile */
ret= Xorriso_findi_action(xorriso, hindmost, NULL, (off_t) 0,
abs_path, abs_path, node, 0, 1);
if(ret <= 0 || xorriso->request_to_abort)
if(Xorriso_eval_problem_status(xorriso, ret, 1|2)<0)
goto ex;
}
ret= 1;
ex:;
if(!(flag & (2 | 4)))
Xorriso_destroy_node_array(xorriso, 0);
if(hmboss != NULL)
hmboss->subjob= hindmost;
if(array_job.start_path != NULL)
free(array_job.start_path);
return(ret);
}
int Xorriso_all_node_array(struct XorrisO *xorriso, int addon_nodes, int flag)
{
int ret;
struct FindjoB *job= NULL;
struct stat dir_stbuf;
ret= Findjob_new(&job, "/", 0);
if(ret<=0) {
Xorriso_no_findjob(xorriso, "xorriso", 0);
{ret= -1; goto ex;}
}
Findjob_set_action_target(job, 30, NULL, 0);
Xorriso_destroy_node_array(xorriso, 0);
ret= Xorriso_findi(xorriso, job, NULL, (off_t) 0, NULL, "/",
&dir_stbuf, 0, 0);
if(ret <= 0)
goto ex;
ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, addon_nodes, 0);
if(ret <= 0)
goto ex;
Findjob_set_action_target(job, 31, NULL, 0);
ret= Xorriso_findi(xorriso, job, NULL, (off_t) 0, NULL, "/",
&dir_stbuf, 0, 0);
if(ret <= 0)
goto ex;
ret= 1;
ex:;
Findjob_destroy(&job, 0);
return(ret);
}
int Xorriso_perform_acl_from_list(struct XorrisO *xorriso, char *file_path,
char *uid, char *gid, char *acl, int flag)
{
int ret, zero= 0;
uid_t uid_number;
gid_t gid_number;
/* Set group and owner */
if(gid[0]) {
ret= Xorriso_convert_gidstring(xorriso, gid, &gid_number, 0);
if(ret<=0)
return(ret);
ret= Xorriso_set_gid(xorriso, file_path, gid_number, 0);
if(ret<=0)
return(ret);
}
if(uid[0]) {
ret= Xorriso_convert_uidstring(xorriso, uid, &uid_number, 0);
if(ret<=0)
return(ret);
ret= Xorriso_set_uid(xorriso, file_path, uid_number, 0);
if(ret<=0)
return(ret);
}
ret= Xorriso_option_setfacli(xorriso, acl, 1, &file_path, &zero, 0);
if(ret <= 0)
return(ret);
return(1);
}
/*
@param flag bit0= do not perform setfattr but only check input
*/
int Xorriso_path_setfattr(struct XorrisO *xorriso, void *in_node, char *path,
char *name, size_t value_length, char *value, int flag)
{
int ret, hflag;
size_t num_attrs= 1;
char *name_pt;
hflag= 2;
name_pt= name;
if(name[0] == 0) {
sprintf(xorriso->info_text,
"-setfattr: Empty attribute name is not allowed");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
return(0);
} else if(strcmp(name, "--remove-all") == 0) {
if(value[0]) {
sprintf(xorriso->info_text,
"-setfattr: Value is not empty with pseudo name --remove-all");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
return(0);
}
num_attrs= 0;
hflag= 0;
} else if(name[0] == '-') {
name_pt++;
hflag|= 4;
} else if(name[0] == '=' || name[0] == '+') {
name_pt++;
}
if(flag & 1)
return(1);
ret= Xorriso_setfattr(xorriso, in_node, path,
num_attrs, &name_pt, &value_length, &value, hflag);
return(ret);
}
/* Warning: The text content of lst gets mangled by 0s and unescaping.
*/
int Xorriso_perform_attr_from_list(struct XorrisO *xorriso, char *path,
struct Xorriso_lsT *lst_start, int flag)
{
int ret, eaten;
char *valuept, *ept, *line, **names= NULL, **values= NULL;
size_t num_attr= 0, *value_lengths= NULL, v_len;
struct Xorriso_lsT *lst;
for(lst= lst_start; lst != NULL; lst= Xorriso_lst_get_next(lst, 0))
num_attr++;
if(num_attr == 0) {
ret= Xorriso_setfattr(xorriso, NULL, path, num_attr, NULL, NULL, NULL, 0);
goto ex;
}
names= calloc(num_attr, sizeof(char *));
if(names == NULL) {
Xorriso_no_malloc_memory(xorriso, NULL, 0);
ret= -1; goto ex;
}
value_lengths= calloc(num_attr, sizeof(size_t));
if(value_lengths== NULL) {
free(names);
Xorriso_no_malloc_memory(xorriso, NULL, 0);
ret= -1; goto ex;
}
values= calloc(num_attr, sizeof(char *));
if(values== NULL) {
free(names);
free(value_lengths);
Xorriso_no_malloc_memory(xorriso, NULL, 0);
ret= -1; goto ex;
}
num_attr= 0;
for(lst= lst_start; lst != NULL; lst= Xorriso_lst_get_next(lst, 0)) {
line= Xorriso_lst_get_text(lst, 0);
ept= strchr(line, '=');
if(ept == NULL)
continue;
/* Split into name and content */;
*ept= 0;
valuept= ept + 1;
/* Strip quotes from value */
v_len= strlen(valuept);
if(v_len < 2 || *valuept != '"' || *(valuept + v_len - 1) != '"')
continue;
*valuept= 0;
*(valuept + v_len - 1)= 0;
valuept++;
v_len-= 2;
/* Unescape backslashes , values eventually with 0-bytes */
ret= Sfile_bsl_interpreter(line, strlen(line), &eaten, 0);
if(ret <= 0)
continue;
ret= Sfile_bsl_interpreter(valuept, (int) v_len, &eaten, 2);
if(ret <= 0)
continue;
names[num_attr]= line;
values[num_attr]= valuept;
value_lengths[num_attr]= v_len - eaten;
num_attr++;
}
ret= Xorriso_setfattr(xorriso, NULL, path, num_attr, names,
value_lengths, values, 0);
ex:;
if(names != NULL)
free(names);
if(value_lengths != NULL)
free(value_lengths);
if(values != NULL)
free(values);
return(ret);
}
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