Giving access to AAIP xattr by new API functions iso_node_get_attrs() and
iso_node_set_attrs. Giving access to local filesystem xattr by new API functions iso_local_get_attrs(), iso_local_set_attrs().
This commit is contained in:
parent
c226491f18
commit
4950f869cb
@ -126,15 +126,12 @@ int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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size_t **value_lengths, char ***values, int flag)
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size_t **value_lengths, char ***values, int flag)
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{
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{
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int ret;
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int ret;
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char *list= NULL;
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ssize_t i, num_names;
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ssize_t i, num_names;
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size_t a_acl_len= 0, acl_len= 0;
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size_t a_acl_len= 0, acl_len= 0;
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unsigned char *a_acl= NULL, *d_acl= NULL, *acl= NULL;
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unsigned char *a_acl= NULL, *d_acl= NULL, *acl= NULL;
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char *acl_text= NULL;
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char *acl_text= NULL;
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if(flag & (1 << 15)) { /* Free memory */
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if(flag & (1 << 15)) { /* Free memory */
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if(*names != NULL)
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list= (*names)[0];
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{ret= 1; goto ex;}
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{ret= 1; goto ex;}
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}
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}
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@ -153,9 +150,8 @@ int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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if(*names == NULL || *value_lengths == NULL || *values == NULL)
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if(*names == NULL || *value_lengths == NULL || *values == NULL)
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{ret= -1; goto ex;}
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{ret= -1; goto ex;}
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for(i= *num_attrs; i < num_names; i++)
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(*names)[i]= NULL;
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for(i= 0; i < num_names; i++) {
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for(i= 0; i < num_names; i++) {
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(*names)[i]= NULL;
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(*values)[i]= NULL;
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(*values)[i]= NULL;
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(*value_lengths)[i]= 0;
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(*value_lengths)[i]= 0;
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}
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}
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@ -197,10 +193,11 @@ ex:;
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aaip_get_acl_text("", &acl_text, 1 << 15); /* free */
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aaip_get_acl_text("", &acl_text, 1 << 15); /* free */
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if(ret <= 0 || (flag & (1 << 15))) {
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if(ret <= 0 || (flag & (1 << 15))) {
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if(list != NULL)
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if(*names != NULL) {
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free(list);
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for(i= 0; i < *num_attrs; i++)
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if(*names != NULL)
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free((*names)[i]);
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free(*names);
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free(*names);
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}
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*names= NULL;
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*names= NULL;
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if(*value_lengths != NULL)
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if(*value_lengths != NULL)
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free(*value_lengths);
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free(*value_lengths);
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@ -24,7 +24,8 @@
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#include <attr/xattr.h>
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#include <attr/xattr.h>
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#endif
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#endif
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#define Aaip_acl_attrnamE "system.posix_acl_access"
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#define Aaip_a_acl_attrnamE "system.posix_acl_access"
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#define Aaip_d_acl_attrnamE "system.posix_acl_default"
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/* ------------------------------ Getters --------------------------------- */
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/* ------------------------------ Getters --------------------------------- */
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@ -124,8 +125,6 @@ int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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char *a_acl_text= NULL, *d_acl_text= NULL;
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char *a_acl_text= NULL, *d_acl_text= NULL;
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if(flag & (1 << 15)) { /* Free memory */
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if(flag & (1 << 15)) { /* Free memory */
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if(*names != NULL)
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list= (*names)[0];
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{ret= 1; goto ex;}
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{ret= 1; goto ex;}
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}
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}
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@ -172,19 +171,22 @@ int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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if(*names == NULL || *value_lengths == NULL || *values == NULL)
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if(*names == NULL || *value_lengths == NULL || *values == NULL)
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{ret= -1; goto ex;}
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{ret= -1; goto ex;}
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if(!(flag & 4))
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for(i= 0; i < num_names; i++) {
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(*names)[i]= NULL;
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(*values)[i]= NULL;
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(*value_lengths)[i]= 0;
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}
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if(!(flag & 4)) {
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for(i= 0; i < list_size && num_names > *num_attrs;
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for(i= 0; i < list_size && num_names > *num_attrs;
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i+= strlen(list + i) + 1) {
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i+= strlen(list + i) + 1) {
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if(!(flag & 8))
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if(!(flag & 8))
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if(strcmp(list + i, Aaip_acl_attrnamE) == 0)
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if(strcmp(list + i, Aaip_a_acl_attrnamE) == 0 ||
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strcmp(list + i, Aaip_d_acl_attrnamE) == 0)
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continue;
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continue;
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(*names)[(*num_attrs)++]= list + i;
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(*names)[(*num_attrs)++]= strdup(list + i);
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if((*names)[(*num_attrs) - 1] == NULL)
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{ret= -1; goto ex;}
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}
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}
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for(i= *num_attrs; i < num_names; i++)
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(*names)[i]= NULL;
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for(i= 0; i < num_names; i++) {
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(*values)[i]= NULL;
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(*value_lengths)[i]= 0;
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}
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}
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#ifdef Libisofs_with_aaip_xattR
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#ifdef Libisofs_with_aaip_xattR
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@ -192,7 +194,8 @@ int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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if(!(flag & 4)) { /* Get xattr values */
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if(!(flag & 4)) { /* Get xattr values */
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for(i= 0; i < *num_attrs; i++) {
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for(i= 0; i < *num_attrs; i++) {
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if(!(flag & 8))
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if(!(flag & 8))
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if(strcmp((*names)[i], Aaip_acl_attrnamE) == 0)
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if(strcmp((*names)[i], Aaip_a_acl_attrnamE) == 0 ||
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strcmp((*names)[i], Aaip_d_acl_attrnamE) == 0)
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continue;
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continue;
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value_ret= getxattr(path, (*names)[i], NULL, 0);
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value_ret= getxattr(path, (*names)[i], NULL, 0);
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if(value_ret == -1)
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if(value_ret == -1)
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@ -200,7 +203,7 @@ int aaip_get_attr_list(char *path, size_t *num_attrs, char ***names,
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(*values)[i]= calloc(value_ret + 1, 1);
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(*values)[i]= calloc(value_ret + 1, 1);
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if((*values)[i] == NULL)
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if((*values)[i] == NULL)
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{ret= -1; goto ex;}
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{ret= -1; goto ex;}
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(*value_lengths)[i]= getxattr(path, (*names)[i], (*values)[i], value_ret);
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value_ret= getxattr(path, (*names)[i], (*values)[i], value_ret);
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if(value_ret == -1) { /* there could be a race condition */
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if(value_ret == -1) { /* there could be a race condition */
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if(retry++ > 5)
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if(retry++ > 5)
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{ret= -1; goto ex;}
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{ret= -1; goto ex;}
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@ -248,8 +251,11 @@ ex:;
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if(ret <= 0 || (flag & (1 << 15))) {
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if(ret <= 0 || (flag & (1 << 15))) {
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if(list != NULL)
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if(list != NULL)
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free(list);
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free(list);
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if(*names != NULL)
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if(*names != NULL) {
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for(i= 0; i < *num_attrs; i++)
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free((*names)[i]);
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free(*names);
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free(*names);
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}
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*names= NULL;
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*names= NULL;
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if(*value_lengths != NULL)
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if(*value_lengths != NULL)
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free(*value_lengths);
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free(*value_lengths);
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@ -346,7 +352,8 @@ int aaip_set_attr_list(char *path, size_t num_attrs, char **names,
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{ret= -5; goto ex;}
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{ret= -5; goto ex;}
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for(i= 0; i < list_size; i+= strlen(list + i) + 1) {
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for(i= 0; i < list_size; i+= strlen(list + i) + 1) {
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if(!(flag & 8))
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if(!(flag & 8))
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if(strcmp(list + i, Aaip_acl_attrnamE) == 0)
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if(strcmp(list + i, Aaip_a_acl_attrnamE) == 0 ||
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strcmp(list + i, Aaip_d_acl_attrnamE) == 0)
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continue;
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continue;
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ret= removexattr(path, list + i);
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ret= removexattr(path, list + i);
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if(ret == -1)
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if(ret == -1)
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@ -367,7 +374,8 @@ int aaip_set_attr_list(char *path, size_t num_attrs, char **names,
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}
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}
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/* Extended Attribute */
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/* Extended Attribute */
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if((flag & 1) && !(flag & 8))
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if((flag & 1) && !(flag & 8))
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if(strcmp(names[i], Aaip_acl_attrnamE) == 0)
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if(strcmp(names[i], Aaip_a_acl_attrnamE) == 0 ||
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strcmp(names[i], Aaip_d_acl_attrnamE) == 0)
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continue;
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continue;
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#ifdef Libisofs_with_aaip_xattR
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#ifdef Libisofs_with_aaip_xattR
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@ -686,12 +686,12 @@ struct IsoFileSource_Iface
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/* ts A90114 */
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/* ts A90114 */
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/**
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/**
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* Valid only if .version is > 0. See above.
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* Valid only if .version is > 0. See above.
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* Get the AA string with encoded ACL and/or XFS-style Extended Attributes.
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* Get the AA string with encoded ACL and XFS-style Extended Attributes
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* (Not to be confused with ECMA-119 Extended Attributes).
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* xattr. (Not to be confused with ECMA-119 Extended Attributes).
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*
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*
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* bit1 and bit2 of flag should be implemented so that freshly fetched
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* bit1 and bit2 of flag should be implemented so that freshly fetched
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* info does not include the undesired ACL or EAs. Nevertheless if the
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* info does not include the undesired ACL or xattr. Nevertheless if the
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* aa_string is cached, then it is permissible that ACL and EA are still
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* aa_string is cached, then it is permissible that ACL and xattr are still
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* delivered.
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* delivered.
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*
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*
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* @param flag Bitfield for control purposes
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* @param flag Bitfield for control purposes
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@ -699,7 +699,7 @@ struct IsoFileSource_Iface
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* src will free the eventual cached data and might
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* src will free the eventual cached data and might
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* not be able to produce it again.
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* not be able to produce it again.
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* bit1= No need to get ACL (no guarantee of exclusion)
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* bit1= No need to get ACL (no guarantee of exclusion)
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* bit2= No need to get EA (no guarantee of exclusion)
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* bit2= No need to get xattr (no guarantee of exclusion)
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* @param aa_string Returns a pointer to the AA string data. If no AA
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* @param aa_string Returns a pointer to the AA string data. If no AA
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* string is available, *aa_string becomes NULL.
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* string is available, *aa_string becomes NULL.
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* (See doc/susp_aaip_0_2.txt for the meaning of AA and
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* (See doc/susp_aaip_0_2.txt for the meaning of AA and
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@ -937,13 +937,13 @@ int iso_image_new(const char *name, IsoImage **image);
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/* ts A90121 */
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/* ts A90121 */
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/**
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/**
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* Control whether ACL and XFS-style Extended Attributes will be imported from
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* Control whether ACL and XFS-style Extended Attributes xattr will be
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* external filesystems (typically the local POSIX filesystem) when new
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* imported from external filesystems (typically the local POSIX filesystem)
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* nodes get inserted. If enabled by iso_write_opts_set_aaip() they will later
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* when new nodes get inserted. If enabled by iso_write_opts_set_aaip() they
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* be written into the image as AAIP extension fields.
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* will later be written into the image as AAIP extension fields.
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*
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*
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* A change of this setting does neither affect existing IsoNode objects
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* A change of this setting does neither affect existing IsoNode objects
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* nor the way how ACL and EA are handled when loading an ISO image.
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* nor the way how ACL and xattr are handled when loading an ISO image.
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* The latter is controlled by iso_read_opts_set_no_aaip().
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* The latter is controlled by iso_read_opts_set_no_aaip().
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*
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*
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* @param image
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* @param image
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@ -951,7 +951,7 @@ int iso_image_new(const char *name, IsoImage **image);
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* @param what
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* @param what
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* A bit field which sets the behavior:
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* A bit field which sets the behavior:
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* bit0= ignore ACLs if the external file object bears some
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* bit0= ignore ACLs if the external file object bears some
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* bit1= ignore EAs if the external file object bears some
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* bit1= ignore xattr if the external file object bears some
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* all other bits are reserved
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* all other bits are reserved
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*
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*
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* @since 0.6.14
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* @since 0.6.14
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@ -1061,7 +1061,7 @@ int iso_lib_is_compatible(int major, int minor, int micro);
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* ---> 1 [BACKUP]
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* ---> 1 [BACKUP]
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* POSIX compatibility for backup. Simple settings, ISO level is set to
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* POSIX compatibility for backup. Simple settings, ISO level is set to
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* 3 and RR extensions are enabled. Useful for backup purposes.
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* 3 and RR extensions are enabled. Useful for backup purposes.
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* Note that ACL and XFS-style EA are not enabled by default.
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* Note that ACL and XFS-style xattr are not enabled by default.
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* If you enable them, expect them not to show up in the mounted image.
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* If you enable them, expect them not to show up in the mounted image.
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* They will have to be retrieved by libisofs applications like xorriso.
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* They will have to be retrieved by libisofs applications like xorriso.
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* ---> 2 [DISTRIBUTION]
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* ---> 2 [DISTRIBUTION]
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@ -1148,8 +1148,8 @@ int iso_write_opts_set_iso1999(IsoWriteOpts *opts, int enable);
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/* ts A90122 */
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/* ts A90122 */
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/**
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/**
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* Control writing of AAIP informations for ACL and XFS-style Extended
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* Control writing of AAIP informations for ACL and XFS-style Extended
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* Attributes.
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* Attributes xattr.
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* For importing ACL and EA when inserting nodes from external filesystems
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* For importing ACL and xattr when inserting nodes from external filesystems
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* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
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* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
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* For loading of this information from images see iso_read_opts_set_no_aaip().
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* For loading of this information from images see iso_read_opts_set_no_aaip().
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*
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*
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@ -1539,7 +1539,7 @@ int iso_image_update_sizes(IsoImage *image);
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* ---> 0 [STANDARD]
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* ---> 0 [STANDARD]
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* Suitable for most situations. Most extension are read. When both
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* Suitable for most situations. Most extension are read. When both
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* Joliet and RR extension are present, RR is used.
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* Joliet and RR extension are present, RR is used.
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* AAIP for ACL and Extended Attributes is not enabled by default.
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* AAIP for ACL and xattr is not enabled by default.
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* @return
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* @return
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* 1 success, < 0 error
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* 1 success, < 0 error
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*
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*
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@ -1587,8 +1587,8 @@ int iso_read_opts_set_no_iso1999(IsoReadOpts *opts, int noiso1999);
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/**
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/**
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* Control reading of AAIP informations about ACL and XFS-style Extended
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* Control reading of AAIP informations about ACL and XFS-style Extended
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* Attributes when loading existing images.
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* Attributes xattr when loading existing images.
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* For importing ACL and EA when inserting nodes from external filesystems
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* For importing ACL and xattr when inserting nodes from external filesystems
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* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
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* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
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* For eventual writing of this information see iso_write_opts_set_aaip().
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* For eventual writing of this information see iso_write_opts_set_aaip().
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*
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*
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@ -2123,8 +2123,9 @@ typedef int (*iso_node_xinfo_func)(void *data, int flag);
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/**
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/**
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* Add extended information to the given node. Extended info allows
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* Add extended information to the given node. Extended info allows
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* applications (and libisofs itself) to add more information to an IsoNode.
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* applications (and libisofs itself) to add more information to an IsoNode.
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* You can use this facilities to associate new information with a given
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* You can use this facilities to associate temporary information with a given
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* node.
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* node. This information is not written into the ISO 9660 image on media
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* and thus does not persist longer than the node memory object.
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*
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*
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* Each node keeps a list of added extended info, meaning you can add several
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* Each node keeps a list of added extended info, meaning you can add several
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* extended info data to each node. Each extended info you add is identified
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* extended info data to each node. Each extended info you add is identified
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@ -3751,7 +3752,7 @@ int iso_file_source_readlink(IsoFileSource *src, char *buf, size_t bufsiz);
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/**
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/**
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* Get the AA string with encoded ACL and/or XFS-style Extended Attributes.
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* Get the AA string with encoded ACL and XFS-style Extended Attributes xattr.
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* (Not to be confused with ECMA-119 Extended Attributes).
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* (Not to be confused with ECMA-119 Extended Attributes).
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* @param src The file source object to be inquired.
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* @param src The file source object to be inquired.
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* @param aa_string Returns a pointer to the AA string data. If no AA
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* @param aa_string Returns a pointer to the AA string data. If no AA
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@ -3765,7 +3766,7 @@ int iso_file_source_readlink(IsoFileSource *src, char *buf, size_t bufsiz);
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* src will free the eventual cached data and might
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* src will free the eventual cached data and might
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* not be able to produce it again.
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* not be able to produce it again.
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* bit1= No need to get ACL (but no guarantee of exclusion)
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* bit1= No need to get ACL (but no guarantee of exclusion)
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* bit2= No need to get EA (but no guarantee of exclusion)
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* bit2= No need to get xattr (but no guarantee of exclusion)
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* @return 1 means success (*aa_string == NULL is possible)
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* @return 1 means success (*aa_string == NULL is possible)
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* <0 means failure and must b a valid libisofs error code
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* <0 means failure and must b a valid libisofs error code
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* (e.g. ISO_FILE_ERROR if no better one can be found).
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* (e.g. ISO_FILE_ERROR if no better one can be found).
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@ -4223,10 +4224,19 @@ void iso_stream_get_id(IsoStream *stream, unsigned int *fs_id, dev_t *dev_id,
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/** Error with decoding attribute list AAIP info (FAILURE, HIGH, -340) */
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/** Error with decoding attribute list AAIP info (FAILURE, HIGH, -340) */
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#define ISO_AAIP_BAD_AASTRING 0xE830FEAC
|
#define ISO_AAIP_BAD_AASTRING 0xE830FEAC
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
/** Error with reading ACL or xattr from local file (FAILURE, HIGH, -341) */
|
||||||
|
#define ISO_AAIP_NO_GET_LOCAL 0xE830FEAB
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
/** Error with attaching ACL or xattr to local file (FAILURE, HIGH, -342) */
|
||||||
|
#define ISO_AAIP_NO_SET_LOCAL 0xE830FEAA
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* --------------------------------- AAIP --------------------------------- */
|
/* --------------------------------- AAIP --------------------------------- */
|
||||||
|
|
||||||
/* ts A90112 : Enable experiments about EA and ACL
|
/* ts A90112 : Enable experiments about xattr and ACL
|
||||||
*/
|
*/
|
||||||
#define Libisofs_with_aaiP yes
|
#define Libisofs_with_aaiP yes
|
||||||
|
|
||||||
@ -4240,14 +4250,22 @@ void iso_stream_get_id(IsoStream *stream, unsigned int *fs_id, dev_t *dev_id,
|
|||||||
/**
|
/**
|
||||||
* Function to identify and manage AA strings as xinfo of IsoNode.
|
* Function to identify and manage AA strings as xinfo of IsoNode.
|
||||||
*
|
*
|
||||||
* An AA string contains all EA (aka xattr) and ACL of a node in the image
|
* An AA string contains the Attribute List with the xattr and ACL of a node
|
||||||
* tree. It is formatted according to libisofs specification AAIP-0.2 and
|
* in the image tree. It is formatted according to libisofs specification
|
||||||
* ready to be written into the System Use Area resp. Continuation Area
|
* AAIP-0.2 and ready to be written into the System Use Area resp. Continuation
|
||||||
* of a directory entry in an ISO image.
|
* Area of a directory entry in an ISO image.
|
||||||
*
|
*
|
||||||
* Applications are not supposed to manipulate AA strings directly. They should
|
* Applications are not supposed to manipulate AA strings directly. They should
|
||||||
* rather make use of the appropriate iso_node_get_* and iso_node_set_* calls.
|
* rather make use of the appropriate iso_node_get_* and iso_node_set_* calls.
|
||||||
*
|
*
|
||||||
|
* AAIP represents ACLs as xattr with empty name and AAIP-specific binary
|
||||||
|
* content. Local filesystems may represent ACLs as xattr with names like
|
||||||
|
* "system.posix_acl_access". libisofs does not interpret those local
|
||||||
|
* xattr representations of ACL directly but rather uses the ACL interface of
|
||||||
|
* the local system. By default the local xattr representations of ACL will
|
||||||
|
* not become part of the AAIP Attribute List via iso_local_get_attrs() and
|
||||||
|
* not be attached to local files via iso_local_set_attrs().
|
||||||
|
*
|
||||||
* @since 0.6.14
|
* @since 0.6.14
|
||||||
*/
|
*/
|
||||||
int aaip_xinfo_func(void *data, int flag);
|
int aaip_xinfo_func(void *data, int flag);
|
||||||
@ -4257,14 +4275,14 @@ int aaip_xinfo_func(void *data, int flag);
|
|||||||
/**
|
/**
|
||||||
* Get the eventual ACLs which are associated with the node.
|
* Get the eventual ACLs which are associated with the node.
|
||||||
* The result will be in "long" text form as of man acl resp. acl_to_text().
|
* The result will be in "long" text form as of man acl resp. acl_to_text().
|
||||||
|
* Call this function with flag bit15 to finally release the memory
|
||||||
|
* occupied by an ACL inquiry.
|
||||||
*
|
*
|
||||||
* @param node
|
* @param node
|
||||||
* The node that is to be inquired.
|
* The node that is to be inquired.
|
||||||
* @param access_text
|
* @param access_text
|
||||||
* Will return a pointer to the eventual "access" ACL text or NULL if it
|
* Will return a pointer to the eventual "access" ACL text or NULL if it
|
||||||
* is not available and flag bit 4 is set.
|
* is not available and flag bit 4 is set.
|
||||||
* Call this function with flag bit15 to finally release the memory
|
|
||||||
* occupied by an ACL inquiry.
|
|
||||||
* @param default_text
|
* @param default_text
|
||||||
* Will return a pointer to the eventual "default" ACL or NULL if it
|
* Will return a pointer to the eventual "default" ACL or NULL if it
|
||||||
* is not available.
|
* is not available.
|
||||||
@ -4292,7 +4310,7 @@ int iso_node_get_acl_text(IsoNode *node,
|
|||||||
* Set the ACLs of the given node to the lists in parameters access_text and
|
* Set the ACLs of the given node to the lists in parameters access_text and
|
||||||
* default_text or delete them.
|
* default_text or delete them.
|
||||||
*
|
*
|
||||||
* The POSIX permission bits get updated according to the new "access" ACL if
|
* The stat(2) permission bits get updated according to the new "access" ACL if
|
||||||
* neither bit1 of parameter flag is set nor parameter access_text is NULL.
|
* neither bit1 of parameter flag is set nor parameter access_text is NULL.
|
||||||
* Note that S_IRWXG permission bits correspond to ACL mask permissions
|
* Note that S_IRWXG permission bits correspond to ACL mask permissions
|
||||||
* if a "mask::" entry exists in the ACL. Only if there is no "mask::" then
|
* if a "mask::" entry exists in the ACL. Only if there is no "mask::" then
|
||||||
@ -4316,10 +4334,87 @@ int iso_node_get_acl_text(IsoNode *node,
|
|||||||
* @return
|
* @return
|
||||||
* > 0 success
|
* > 0 success
|
||||||
* < 0 failure
|
* < 0 failure
|
||||||
|
*
|
||||||
|
* @since 0.6.14
|
||||||
*/
|
*/
|
||||||
int iso_node_set_acl_text(IsoNode *node,
|
int iso_node_set_acl_text(IsoNode *node,
|
||||||
char *access_text, char *default_text, int flag);
|
char *access_text, char *default_text, int flag);
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
/**
|
||||||
|
* Get the list of XFS-style Extended Attributes xattr which is associated
|
||||||
|
* with the node.
|
||||||
|
* The resulting data may finally be disposed by a call to this function
|
||||||
|
* with flag bit15 set, or its components may be freed one-by-one.
|
||||||
|
* The following values are either NULL or malloc() memory:
|
||||||
|
* *names, *value_lengths, *values, (*names)[i], (*values)[i]
|
||||||
|
* with 0 <= i < *num_attrs.
|
||||||
|
* It is allowed to replace or reallocate those memory items in order to
|
||||||
|
* to manipulate the attribute list before submitting it to other calls.
|
||||||
|
*
|
||||||
|
* If enabled by flag bit0, this list possibly includes the ACLs of the node.
|
||||||
|
* They are eventually encoded in a pair with empty name. It is not advisable
|
||||||
|
* to alter the value or name of that pair. One may decide to erase both ACLs
|
||||||
|
* by deleting this pair or to copy both ACLs by copying the content of this
|
||||||
|
* pair to an empty named pair of another node.
|
||||||
|
* For all other ACL purposes use iso_node_get_acl_text().
|
||||||
|
*
|
||||||
|
* @param node
|
||||||
|
* The node that is to be manipulated.
|
||||||
|
* @param num_attrs
|
||||||
|
* Will return the number of name-value pairs
|
||||||
|
* @param names
|
||||||
|
* Will return an array of pointers to 0-terminated names
|
||||||
|
* @param value_lengths
|
||||||
|
* Will return an arry with the lenghts of values
|
||||||
|
* @param values
|
||||||
|
* Will return an array of pointers to 8-bit values
|
||||||
|
* @param flag
|
||||||
|
* Bitfield for control purposes
|
||||||
|
* bit0= obtain eventual ACLs as attribute with empty name
|
||||||
|
* bit15= free memory
|
||||||
|
* @return
|
||||||
|
* 1 = ok (but *num_attrs may be 0)
|
||||||
|
* < 0 = error
|
||||||
|
*
|
||||||
|
* @since 0.6.14
|
||||||
|
*/
|
||||||
|
int iso_node_get_attrs(IsoNode *node, size_t *num_attrs,
|
||||||
|
char ***names, size_t **value_lengths, char ***values, int flag);
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
/**
|
||||||
|
* Set the list of XFS-style Extended Attributes xattr which is associated
|
||||||
|
* with the node.
|
||||||
|
* The data get copied so that you may dispose your input data afterwards.
|
||||||
|
*
|
||||||
|
* If enabled by flag bit0 then the submitted list of attributes will not only
|
||||||
|
* overwrite xattr but also both eventual ACLs of the node. Eventual ACL in
|
||||||
|
* the submitted list have to reside in an attribute with empty name.
|
||||||
|
*
|
||||||
|
* @param node
|
||||||
|
* The node that is to be manipulated.
|
||||||
|
* @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 value
|
||||||
|
* @param values
|
||||||
|
* Array of pointers to the value bytes
|
||||||
|
* @param flag
|
||||||
|
* Bitfield for control purposes
|
||||||
|
* bit0= Do not maintain eventual existing ACL of the node.
|
||||||
|
* Set eventual new ACL from value of empty name.
|
||||||
|
* @return
|
||||||
|
* 1 = ok
|
||||||
|
* < 0 = error
|
||||||
|
*
|
||||||
|
* @since 0.6.14
|
||||||
|
*/
|
||||||
|
int iso_node_set_attrs(IsoNode *node, size_t num_attrs, char **names,
|
||||||
|
size_t *value_lengths, char **values, int flag);
|
||||||
|
|
||||||
|
|
||||||
/* -------- This is an interface to the ACL of the local filesystem -------- */
|
/* -------- This is an interface to the ACL of the local filesystem -------- */
|
||||||
/**
|
/**
|
||||||
@ -4377,4 +4472,72 @@ int iso_local_get_acl_text(char *disk_path, char **text, int flag);
|
|||||||
int iso_local_set_acl_text(char *disk_path, char *text, int flag);
|
int iso_local_set_acl_text(char *disk_path, char *text, int flag);
|
||||||
|
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
/**
|
||||||
|
* Get xattr and non-trivial ACLs of the given file in the local filesystem.
|
||||||
|
* The resulting data has finally to be disposed by a call to this function
|
||||||
|
* with flag bit15 set.
|
||||||
|
*
|
||||||
|
* Eventual ACLs will get encoded as attribute pair with empty name if this is
|
||||||
|
* enabled by flag bit0. An ACL which simply replects stat(2) permissions
|
||||||
|
* will not be put into the result.
|
||||||
|
*
|
||||||
|
* @param disk_path
|
||||||
|
* Path to the file
|
||||||
|
* @param num_attrs
|
||||||
|
* Will return the number of name-value pairs
|
||||||
|
* @param names
|
||||||
|
* Will return an array of pointers to 0-terminated names
|
||||||
|
* @param value_lengths
|
||||||
|
* Will return an arry with the lenghts of values
|
||||||
|
* @param values
|
||||||
|
* Will return an array of pointers to 8-bit values
|
||||||
|
* @param flag
|
||||||
|
* Bitfield for control purposes
|
||||||
|
* bit0= obtain eventual ACLs as attribute with empty name
|
||||||
|
* bit2= do not obtain attributes other than ACLs
|
||||||
|
* bit3= do not ignore eventual xattr representing ACL in local format
|
||||||
|
* (e.g. name "system.posix_acl_access")
|
||||||
|
* bit15= free memory
|
||||||
|
* @return
|
||||||
|
* 1 ok
|
||||||
|
* < 0 failure
|
||||||
|
*
|
||||||
|
* @since 0.6.14
|
||||||
|
*/
|
||||||
|
int iso_local_get_attrs(char *disk_path, size_t *num_attrs, char ***names,
|
||||||
|
size_t **value_lengths, char ***values, int flag);
|
||||||
|
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
/**
|
||||||
|
* Attach a list of xattr and ACLs to the given file in the local filesystem.
|
||||||
|
*
|
||||||
|
* Eventual ACLs have to be encoded as attribute pair with empty name.
|
||||||
|
*
|
||||||
|
* @param disk_path
|
||||||
|
* Path to the file
|
||||||
|
* @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
|
||||||
|
* Bitfield for control purposes
|
||||||
|
* bit0= do not attach ACLs from an eventual attribute with empty name
|
||||||
|
* bit3= do not ignore eventual xattr representing ACL in local format
|
||||||
|
* (e.g. name "system.posix_acl_access")
|
||||||
|
* @return
|
||||||
|
* 1 = ok
|
||||||
|
* < 0 = error
|
||||||
|
*
|
||||||
|
* @since 0.6.14
|
||||||
|
*/
|
||||||
|
int iso_local_set_attrs(char *disk_path, size_t num_attrs, char **names,
|
||||||
|
size_t *value_lengths, char **values, int flag);
|
||||||
|
|
||||||
|
|
||||||
#endif /*LIBISO_LIBISOFS_H_*/
|
#endif /*LIBISO_LIBISOFS_H_*/
|
||||||
|
154
libisofs/node.c
154
libisofs/node.c
@ -1352,11 +1352,33 @@ int iso_node_new_special(char *name, mode_t mode, dev_t dev,
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/* ts A90116 */
|
/* ts A90202 */
|
||||||
/* >>> describe
|
static
|
||||||
|
int attrs_cleanout_name(char *del_name, size_t *num_attrs, char **names,
|
||||||
|
size_t *value_lengths, char **values, int flag)
|
||||||
|
{
|
||||||
|
size_t i, w;
|
||||||
|
|
||||||
@param flag bit15 = free memory
|
for (w = i = 0; i < *num_attrs; i++) {
|
||||||
*/
|
if (strcmp(names[i], del_name) == 0)
|
||||||
|
continue;
|
||||||
|
if (w == i) {
|
||||||
|
w++;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
names[w] = names[i];
|
||||||
|
value_lengths[w] = value_lengths[i];
|
||||||
|
values[w] = values[i];
|
||||||
|
names[i] = values[i] = NULL;
|
||||||
|
value_lengths[i] = 0;
|
||||||
|
w++;
|
||||||
|
}
|
||||||
|
*num_attrs = w;
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* ts A90116 */
|
||||||
int iso_node_get_attrs(IsoNode *node, size_t *num_attrs,
|
int iso_node_get_attrs(IsoNode *node, size_t *num_attrs,
|
||||||
char ***names, size_t **value_lengths, char ***values, int flag)
|
char ***names, size_t **value_lengths, char ***values, int flag)
|
||||||
{
|
{
|
||||||
@ -1407,17 +1429,22 @@ int iso_node_get_attrs(IsoNode *node, size_t *num_attrs,
|
|||||||
return ISO_AAIP_BAD_AASTRING;
|
return ISO_AAIP_BAD_AASTRING;
|
||||||
}
|
}
|
||||||
|
|
||||||
if(rpt - aa_string != len) {
|
if (rpt - aa_string != len) {
|
||||||
/* aaip_decode_attrs() returns 2 but still bytes are left */
|
/* aaip_decode_attrs() returns 2 but still bytes are left */
|
||||||
return ISO_AAIP_BAD_AASTRING;
|
return ISO_AAIP_BAD_AASTRING;
|
||||||
}
|
}
|
||||||
|
|
||||||
ret = aaip_get_decoded_attrs(&aaip, num_attrs, names,
|
ret = aaip_get_decoded_attrs(&aaip, num_attrs, names,
|
||||||
value_lengths, values, 0);
|
value_lengths, values, 0);
|
||||||
if(ret != 1) {
|
if (ret != 1) {
|
||||||
/* aaip_get_decoded_attrs() failed */
|
/* aaip_get_decoded_attrs() failed */
|
||||||
return ISO_AAIP_BAD_AASTRING;
|
return ISO_AAIP_BAD_AASTRING;
|
||||||
}
|
}
|
||||||
|
if (!(flag & 1)) {
|
||||||
|
/* Clean out eventual ACL attribute */
|
||||||
|
attrs_cleanout_name("", num_attrs, *names, *value_lengths, *values, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
#else /* Libisofs_with_aaiP */
|
#else /* Libisofs_with_aaiP */
|
||||||
|
|
||||||
@ -1442,11 +1469,20 @@ int iso_node_set_attrs(IsoNode *node, size_t num_attrs, char **names,
|
|||||||
int ret;
|
int ret;
|
||||||
size_t sret, result_len;
|
size_t sret, result_len;
|
||||||
unsigned char *result;
|
unsigned char *result;
|
||||||
|
char *a_acl= NULL, *d_acl= NULL;
|
||||||
|
|
||||||
|
if (!(flag & 1))
|
||||||
|
iso_node_get_acl_text(node, &a_acl, &d_acl, 16);
|
||||||
|
|
||||||
if (num_attrs == 0) {
|
if (num_attrs == 0) {
|
||||||
ret = iso_node_remove_xinfo(node, aaip_xinfo_func);
|
ret = iso_node_remove_xinfo(node, aaip_xinfo_func);
|
||||||
if (ret < 0)
|
if (ret < 0)
|
||||||
return ret;
|
return ret;
|
||||||
|
if (!(flag & 1)) {
|
||||||
|
ret = iso_node_set_acl_text(node, a_acl, d_acl, 0);
|
||||||
|
if (ret < 0)
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
sret = aaip_encode(num_attrs, names, value_lengths, values,
|
sret = aaip_encode(num_attrs, names, value_lengths, values,
|
||||||
@ -1466,6 +1502,11 @@ int iso_node_set_attrs(IsoNode *node, size_t num_attrs, char **names,
|
|||||||
|
|
||||||
return ISO_ERROR;
|
return ISO_ERROR;
|
||||||
}
|
}
|
||||||
|
if (!(flag & 1)) {
|
||||||
|
ret = iso_node_set_acl_text(node, a_acl, d_acl, 0);
|
||||||
|
if (ret < 0)
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
return 1;
|
return 1;
|
||||||
|
|
||||||
#else /* Libisofs_with_aaiP */
|
#else /* Libisofs_with_aaiP */
|
||||||
@ -1786,33 +1827,98 @@ bad_decode:;
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/* ts A90118 */
|
|
||||||
int iso_local_set_acl_text(char *disk_path, char *text, int flag)
|
|
||||||
{
|
|
||||||
|
|
||||||
#ifdef Libisofs_with_aaiP
|
|
||||||
|
|
||||||
return aaip_set_acl_text(disk_path, text, flag & 1);
|
|
||||||
|
|
||||||
#else /* Libisofs_with_aaiP */
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
#endif /* ! Libisofs_with_aaiP */
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/* ts A90127 */
|
/* ts A90127 */
|
||||||
int iso_local_get_acl_text(char *disk_path, char **text, int flag)
|
int iso_local_get_acl_text(char *disk_path, char **text, int flag)
|
||||||
{
|
{
|
||||||
|
|
||||||
#ifdef Libisofs_with_aaiP
|
#ifdef Libisofs_with_aaiP
|
||||||
|
|
||||||
return aaip_get_acl_text(disk_path, text, flag & (1 | 16 | (1 << 15)));
|
int ret;
|
||||||
|
|
||||||
|
ret = aaip_get_acl_text(disk_path, text, flag & (1 | 16 | (1 << 15)));
|
||||||
|
if (ret < 0)
|
||||||
|
return ISO_AAIP_NO_GET_LOCAL;
|
||||||
|
return ret;
|
||||||
|
|
||||||
#else /* Libisofs_with_aaiP */
|
#else /* Libisofs_with_aaiP */
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
|
|
||||||
|
#endif /* ! Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* ts A90118 */
|
||||||
|
int iso_local_set_acl_text(char *disk_path, char *text, int flag)
|
||||||
|
{
|
||||||
|
|
||||||
|
#ifdef Libisofs_with_aaiP
|
||||||
|
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = aaip_set_acl_text(disk_path, text, flag & 1);
|
||||||
|
if (ret < 0)
|
||||||
|
return ISO_AAIP_NO_SET_LOCAL;
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
#else /* Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
#endif /* ! Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
int iso_local_get_attrs(char *disk_path, size_t *num_attrs, char ***names,
|
||||||
|
size_t **value_lengths, char ***values, int flag)
|
||||||
|
{
|
||||||
|
|
||||||
|
#ifdef Libisofs_with_aaiP
|
||||||
|
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = aaip_get_attr_list(disk_path,
|
||||||
|
num_attrs, names, value_lengths, values,
|
||||||
|
(flag & (1 | 4 | 8 | (1 << 15))) | 2 | 16);
|
||||||
|
if (ret <= 0)
|
||||||
|
return ISO_AAIP_NO_GET_LOCAL;
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
#else /* Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
*num_attrs = 0;
|
||||||
|
*names = NULL;
|
||||||
|
*value_lengths = NULL;
|
||||||
|
*values = NULL;
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
#endif /* ! Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* ts A90131 */
|
||||||
|
int iso_local_set_attrs(char *disk_path, size_t num_attrs, char **names,
|
||||||
|
size_t *value_lengths, char **values, int flag)
|
||||||
|
{
|
||||||
|
|
||||||
|
#ifdef Libisofs_with_aaiP
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = aaip_set_attr_list(disk_path, num_attrs, names, value_lengths,
|
||||||
|
values, (flag & 8) | !(flag & 1));
|
||||||
|
if (ret <= 0)
|
||||||
|
return ISO_AAIP_NO_SET_LOCAL;
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
#else /* Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
if (num_attrs > 0)
|
||||||
|
return ISO_AAIP_NOT_ENABLED;
|
||||||
|
return 1;
|
||||||
|
|
||||||
#endif /* ! Libisofs_with_aaiP */
|
#endif /* ! Libisofs_with_aaiP */
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user