libburnia/libisoburn
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Took into respect ACL and xattr with -compare and -update

Browse Source
This commit is contained in:
Thomas Schmitt
2009-02-16 08:26:53 +00:00
parent ef8333effe
commit 1251c6e135
5 changed files with 486 additions and 111 deletions
Download Patch File Download Diff File Expand all files Collapse all files

338
xorriso/xorrisoburn.c
View File

@ -6506,7 +6506,7 @@ int Xorriso_findi_action(struct XorrisO *xorriso, struct FindjoB *job,
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, 0);
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);
@ -6581,7 +6581,7 @@ int Xorriso_findi_test(struct XorrisO *xorriso, struct FindjoB *job,
}
Findjob_get_xattr_filter(job, &a_filter, 0);
if(a_filter) {
ret = Xorriso_getfattr(xorriso, (void *) node, "", 2);
ret = Xorriso_getfattr(xorriso, (void *) node, "", NULL, 64);
if(ret < 0) {
Xorriso_process_msg_queues(xorriso, 0);
goto ex;
@ -8841,6 +8841,11 @@ int Xorriso_getfname(struct XorrisO *xorriso, char *path, int flag)
@param flag bit0= do not report to result but only retrieve ACL text
bit1= check for existence of true ACL (not fabricated),
do not allocate and set acl_text but return 1 or 2
bit2-3: what ALC to retrieve:
0= "access" and "default", mark "default:"
1= "access" only
2= "default" only, do not mark "default:"
bit4= get "access" ACL only if not trivial
@return 2 ok, no ACL available, eventual *acl_text will be NULL
1 ok, ACL available, eventual *acl_text stems from malloc()
<=0 error
@ -8848,7 +8853,7 @@ int Xorriso_getfname(struct XorrisO *xorriso, char *path, int flag)
int Xorriso_getfacl(struct XorrisO *xorriso, void *in_node, char *path,
char **acl_text, int flag)
{
int ret, d_ret, result_len= 0, pass;
int ret, d_ret, result_len= 0, pass, what;
IsoNode *node;
char *text= NULL, *d_text= NULL, *cpt, *npt;
uid_t uid;
@ -8856,6 +8861,10 @@ int Xorriso_getfacl(struct XorrisO *xorriso, void *in_node, char *path,
struct passwd *pwd;
struct group *grp;
what= (flag >> 2) & 3;
if(acl_text != NULL)
*acl_text= NULL;
node= (IsoNode *) in_node;
if(node == NULL) {
ret= Xorriso_get_node_by_path(xorriso, path, NULL, &node, 0);
@ -8864,7 +8873,7 @@ int Xorriso_getfacl(struct XorrisO *xorriso, void *in_node, char *path,
}
#ifdef Xorriso_with_aaiP
ret= iso_node_get_acl_text(node, &text, &d_text, 0);
ret= iso_node_get_acl_text(node, &text, &d_text, flag & 16);
d_ret= (d_text != NULL);
#else
ret= d_ret= 0;
@ -8927,33 +8936,45 @@ int Xorriso_getfacl(struct XorrisO *xorriso, void *in_node, char *path,
ret= -1; goto ex;
}
}
for(npt= cpt= text; npt != NULL; cpt= npt + 1) {
npt= strchr(cpt, '\n');
if(npt != NULL)
*npt= 0;
if(*cpt == 0) {
if(d_text != NULL || pass)
continue;
} else
result_len+= strlen(cpt) + 1;
if(pass) {
sprintf(*acl_text + strlen(*acl_text), "%s\n", cpt);
} else if(!(flag & 1)) {
Sfile_str(xorriso->result_line, cpt, 0);
strcat(xorriso->result_line, "\n");
Xorriso_result(xorriso, 0);
if(text != NULL && what <= 1) {
for(npt= cpt= text; npt != NULL; cpt= npt + 1) {
npt= strchr(cpt, '\n');
if(npt != NULL)
*npt= 0;
if(*cpt == 0) {
if(d_text != NULL || pass) {
if(npt != NULL)
*npt= '\n';
continue;
}
} else
result_len+= strlen(cpt) + 1;
if(pass) {
sprintf(*acl_text + strlen(*acl_text), "%s\n", cpt);
} else if(!(flag & 1)) {
Sfile_str(xorriso->result_line, cpt, 0);
strcat(xorriso->result_line, "\n");
Xorriso_result(xorriso, 0);
}
if(npt != NULL)
*npt= '\n';
}
}
if(d_text != NULL) {
if(d_text != NULL && (what == 0 || what == 2)) {
for(npt= cpt= d_text; npt != NULL; cpt= npt + 1) {
npt= strchr(cpt, '\n');
if(npt != NULL)
*npt= 0;
if(*cpt != 0) {
if(pass) {
sprintf(*acl_text + strlen(*acl_text), "default:%s\n", cpt);
if(what == 0)
sprintf(*acl_text + strlen(*acl_text), "default:%s\n", cpt);
else
sprintf(*acl_text + strlen(*acl_text), "%s\n", cpt);
} else {
Sfile_str(xorriso->result_line, "default:", 0);
xorriso->result_line[0]= 0;
if(what == 0)
Sfile_str(xorriso->result_line, "default:", 0);
Sfile_str(xorriso->result_line, cpt, 1);
result_len+= strlen(cpt) + 9;
}
@ -8963,6 +8984,8 @@ int Xorriso_getfacl(struct XorrisO *xorriso, void *in_node, char *path,
strcat(xorriso->result_line, "\n");
Xorriso_result(xorriso, 0);
}
if(npt != NULL)
*npt= '\n';
}
}
}
@ -9029,78 +9052,91 @@ ex:;
return(ret);
}
/*
@param flag
bit1= check for existence of non-ACL xattr,
@param flag bit0= do not report to result but only retrieve attr text
bit1= path is disk_path
bit5= in case of symbolic link on disk: inquire link target
bit6= check for existence of non-ACL xattr,
return 0 or 1
*/
int Xorriso_getfattr(struct XorrisO *xorriso, void *in_node, char *path,
int flag)
char **attr_text, int flag)
{
int ret= 1, i, bsl_mem;
int ret= 1, i, bsl_mem, result_len= 0, pass;
size_t num_attrs= 0, *value_lengths= NULL;
char **names= NULL, **values= NULL, *bsl;
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;
}
#ifdef Xorriso_with_aaiP
ret= iso_node_get_attrs(node, &num_attrs, &names, &value_lengths,
&values, 0);
#else
ret= 1;
#endif
if(ret < 0) {
strcpy(xorriso->info_text, "Error with obtaining xattr of ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
if(flag & 2) {
if(attr_text != NULL)
*attr_text= NULL;
ret= Xorriso_get_attrs(xorriso, in_node, path, &num_attrs, &names,
&value_lengths, &values, flag & (2 | 32));
if(ret <= 0)
goto ex;
if(flag & 64) {
ret= (num_attrs > 0);
goto ex;
}
if(num_attrs == 0)
{ret= 2; goto ex;}
ret= Xorriso_getfname(xorriso, path, 0);
if(ret <= 0)
goto ex;
for(i= 0; i < num_attrs; i++) {
if(strlen(names[i]) + value_lengths[i] >= SfileadrL) {
sprintf(xorriso->result_line, "# oversized: name %d , value %d bytes\n",
(int) strlen(names[i]), (int) value_lengths[i]);
} else {
ret= Sfile_bsl_encoder(&bsl, names[i], strlen(names[i]), 8);
if(ret <= 0)
{ret= -1; goto ex;}
strcpy(xorriso->result_line, bsl);
free(bsl);
ret= Sfile_bsl_encoder(&bsl, values[i], value_lengths[i], 8);
if(ret <= 0)
{ret= -1; goto ex;}
sprintf(xorriso->result_line + strlen(xorriso->result_line),
"=\"%s\"\n", bsl);
free(bsl);
}
/* temporarily disable -backslash_codes with result output */
bsl_mem= xorriso->bsl_interpretation;
xorriso->bsl_interpretation= 0;
Xorriso_result(xorriso, 0);
xorriso->bsl_interpretation= bsl_mem;
if(!(flag & 1)) {
ret= Xorriso_getfname(xorriso, path, 0);
if(ret <= 0)
goto ex;
}
for(pass= 0; pass < 1 + (attr_text != NULL); pass++) {
if(pass) {
*attr_text= calloc(result_len + 1, 1);
if(*attr_text == NULL) {
Xorriso_no_malloc_memory(xorriso, NULL, 0);
ret= -1; goto ex;
}
}
for(i= 0; i < num_attrs; i++) {
if(strlen(names[i]) + value_lengths[i] >= SfileadrL) {
sprintf(xorriso->result_line, "# oversized: name %d , value %d bytes\n",
(int) strlen(names[i]), (int) value_lengths[i]);
} else {
ret= Sfile_bsl_encoder(&bsl, names[i], strlen(names[i]), 8);
if(ret <= 0)
{ret= -1; goto ex;}
strcpy(xorriso->result_line, bsl);
free(bsl);
ret= Sfile_bsl_encoder(&bsl, values[i], value_lengths[i], 8);
if(ret <= 0)
{ret= -1; goto ex;}
sprintf(xorriso->result_line + strlen(xorriso->result_line),
"=\"%s\"\n", bsl);
free(bsl);
}
/* temporarily disable -backslash_codes with result output */
result_len+= strlen(xorriso->result_line);
if(pass) {
strcat(*attr_text, xorriso->result_line);
} else if(!(flag & 1)) {
bsl_mem= xorriso->bsl_interpretation;
xorriso->bsl_interpretation= 0;
Xorriso_result(xorriso, 0);
xorriso->bsl_interpretation= bsl_mem;
}
}
}
if(!(flag & 1)) {
strcpy(xorriso->result_line, "\n");
Xorriso_result(xorriso, 0);
}
strcpy(xorriso->result_line, "\n");
Xorriso_result(xorriso, 0);
ret= 1;
ex:;
#ifndef NIX
Xorriso_get_attrs(xorriso, in_node, path, &num_attrs, &names,
&value_lengths, &values, 1 << 15);
#else /* NIX */
iso_node_get_attrs(node, &num_attrs, &names, &value_lengths,
&values, 1 << 15); /* free memory */
#endif /* NIX */
return(ret);
}
@ -9177,17 +9213,151 @@ ex:;
int Xorriso_local_getfacl(struct XorrisO *xorriso, char *disk_path,
char **text, int flag)
{
int ret;
#ifdef Xorriso_with_aaiP
ret= iso_local_get_acl_text(disk_path, text,
flag & (1 | 16 | 32 | (1 << 15)));
Xorriso_process_msg_queues(xorriso,0);
#else
ret= 0;
#endif
return(ret);
int ret, skip= 0, colons= 0, countdown= 0;
char *acl= NULL, *cpt, *wpt;
if(flag & (1 << 15)) {
if(*text != NULL)
free(*text);
*text= NULL;
return(1);
}
*text= NULL;
ret= iso_local_get_acl_text(disk_path, &acl, flag & (1 | 16 | 32));
Xorriso_process_msg_queues(xorriso,0);
if(ret < 0 || ret == 2)
return(ret);
if(acl == NULL)
return(0);
*text= strdup(acl);
iso_local_get_acl_text(disk_path, &acl, 1 << 15);
if(*text == NULL) {
Xorriso_no_malloc_memory(xorriso, NULL, 0);
return(-1);
}
/* Garbage collection about trailing remarks after 3 permission chars */
wpt= *text;
for(cpt= *text; *cpt; cpt++) {
if(skip) {
if(*cpt == '\n')
skip= 0;
else
continue;
}
if(*cpt == ':' && !countdown) {
colons++;
if(colons == 2) {
countdown= 4;
colons= 0;
}
}
if(countdown > 0) {
countdown--;
if(countdown == 0)
skip= 1;
}
*wpt= *cpt;
wpt++;
}
*wpt= 0;
return(1);
#else
*text= NULL;
return(0);
#endif /* ! Xorriso_with_aaiP */
}
/*
@param flag
bit1= path is disk_path
bit5= in case of symbolic link on disk: inquire link target
bit15= free memory
*/
int Xorriso_get_attrs(struct XorrisO *xorriso, void *in_node, char *path,
size_t *num_attrs, char ***names,
size_t **value_lengths, char ***values, int flag)
{
int ret, i, widx;
IsoNode *node;
if(flag & (1 << 15)) {
#ifdef Xorriso_with_aaiP
if(flag & 2) {
iso_local_get_attrs(NULL, num_attrs, names, value_lengths, values,
1 << 15);
} else {
iso_node_get_attrs(NULL, num_attrs, names, value_lengths, values,
1 << 15);
}
#endif /* Xorriso_with_aaiP */
return(1);
}
*num_attrs= 0;
if(flag & 2) {
#ifdef Xorriso_with_aaiP
ret= iso_local_get_attrs(path, num_attrs, names, value_lengths, values,
flag & 32);
if(ret < 0) {
strcpy(xorriso->info_text, "Error with reading xattr of disk file ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
}
#endif /* Xorriso_with_aaiP */
;
} else {
node= (IsoNode *) in_node;
if(node == NULL) {
ret= Xorriso_get_node_by_path(xorriso, path, NULL, &node, 0);
if(ret<=0)
goto ex;
}
#ifdef Xorriso_with_aaiP
ret= iso_node_get_attrs(node, num_attrs, names, value_lengths, values,
0);
if(ret < 0) {
Xorriso_report_iso_error(xorriso, "", ret,
"Error when obtaining xattr of ISO node", 0, "FAILURE", 1);
goto ex;
}
#endif /* Xorriso_with_aaiP */
/* Filter away any non-userspace xattr */;
widx= 0;
for(i= 0; i < *num_attrs; i++) {
if(strncmp((*names)[i], "user.", 5) != 0) {
free((*names)[i]);
(*names)[i]= NULL;
if((*values)[i] != NULL) {
free((*values)[i]);
(*values)[i]= NULL;
}
} else {
if(widx != i) {
(*names)[widx]= (*names)[i];
(*value_lengths)[widx]= (*value_lengths)[i];
(*values)[widx]= (*values)[i];
(*names)[i]= NULL;
(*value_lengths)[i]= 0;
(*values)[i]= NULL;
}
widx++;
}
}
*num_attrs= widx;
}
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso,0);
return(ret);
}