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New option -setfattr_list

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This commit is contained in:
Thomas Schmitt 2009-02-13 20:25:42 +00:00
parent d9e76c54a6
commit 333a7d95bb
6 changed files with 292 additions and 18 deletions
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28
xorriso/xorriso.1
View File

@ -1004,8 +1004,10 @@ Like -setfacl but affecting all files below eventual directories.
Read the output of -getfacl_r or shell command getfacl -R and apply it to the
iso_rr_paths as given in lines beginning with "# file:". This will change
ownership, group and ACL of the given files.
If disk_path is "-" then lines are read from standard input. Line "@" ends the
list, "@@@" aborts without changing the pending iso_rr_path.
.br
Since -getfacl and getfacl strip leading "/" from file paths, the setting of
Since -getfacl and getfacl -R strip leading "/" from file paths, the setting of
-cd does always matter.
.TP
\fB\-setfattr\fR [-]name value iso_rr_path [***]
@ -1017,10 +1019,34 @@ be an empty text.
.br
Only names from the user namespace are allowed. I.e. a name has to begin with
"user.", like "user.x" or "user.whatever".
.br
Values and names undergo the normal input processing of xorriso.
See also option -backslash_codes. Byte value 0 cannot be expressed.
.TP
\fB\-setfattr_r\fR [-]name value iso_rr_path [***]
Like -setfattr but affecting all files below eventual directories.
.TP
\fB\-setfattr_list\fR disk_path
Read the output of -getfattr_r or shell command getfattr -Rd and apply it to
the iso_rr_paths as given in lines beginning with "# file:". All previously
existing user space xattr of the given iso_rr_paths will be deleted.
If disk_path is "-" then lines are read from standard input.
.br
Since -getfattr and getfattr -Rd strip leading "/" from file paths, the setting
of -cd does always matter.
.br
Empty input lines and lines which begin by "#" will be ignored
(except "# file:"). Line "@" ends the list, "@@@" aborts without changing the
pending iso_rr_path. Other input lines must have the form
.br
name="value"
.br
Name should be of the form user.xyz with only printable characters in
xyz. The separator "=" is not allowed in names. Value may contain any kind
of bytes. It must be in quotes. Trailing whitespace after the end quote will
be ignored. Non-printables bytes and quotes must be represented as \\XYZ by
their octal ASCII code XYZ. Use code \\000 for 0-bytes.
.TP
\fB\-alter_date\fR type timestring iso_rr_path [***]
Alter the date entries of a file in the ISO image. type is
one of "a", "m", "b" for access time, modification time,

257
xorriso/xorriso.c
View File

@ -512,6 +512,7 @@ int Sfile_off_t_text(char text[80], off_t num, int flag)
The scope of a backslash (0 to 3 characters) is not affected.
@param eaten returns the difference in length between input and output
@param flag bit0= only determine *eaten, do not convert
bit1= allow to convert \000 to binary 0
*/
int Sfile_bsl_interpreter(char *text, int upto, int *eaten, int flag)
{
@ -553,7 +554,7 @@ int Sfile_bsl_interpreter(char *text, int upto, int *eaten, int flag)
num_text[3]= *(rpt + 2);
num_text[4]= 0;
sscanf(num_text, "%o", &num);
if(num > 0 && num <= 255) {
if((num > 0 || (flag & 2)) && num <= 255) {
rpt+= 2;
(*eaten)+= 2;
*(wpt++)= num;
@ -663,9 +664,8 @@ int Sfile_bsl_encoder(char **result, char *text, size_t text_len, int flag)
dq_open= !(sq_open || dq_open);
if(flag & 8) {
if(!(*rpt <= 42 || *rpt == 59 || *rpt == 60 || *rpt == 62 ||
*rpt == 63 || *rpt == 92 || *rpt == 94 || *rpt == 96 ||
*rpt >= 123)) {
if(!(*rpt <= 42 || (*rpt >= 59 && *rpt <= 63) ||
*rpt == 92 || *rpt == 94 || *rpt == 96 || *rpt >= 123)) {
*(wpt++)= *rpt;
continue;
}
@ -10486,8 +10486,11 @@ int Xorriso_afile_fopen(struct XorrisO *xorriso,
(mode[0]=='r' && mode[1]=='+') ||
(mode[0]=='r' && mode[1]=='b' && mode[2]=='+'))
fp= stdout;
else
else {
Xorriso_msgs_submit(xorriso, 0, "Ready for data at standard input", 0,
"NOTE", 0);
fp= stdin;
}
} else if(strncmp(filename,"tcp:",4)==0){
Xorriso_msgs_submit(xorriso, 0, "TCP/IP service isn't implemented yet.", 0,
"FAILURE", 0);
@ -11070,6 +11073,87 @@ int Xorriso_path_setfattr(struct XorrisO *xorriso, void *in_node, char *path,
}
/* 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);
}
/* ---------------------------- Options API ------------------------ */
@ -13690,6 +13774,9 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
" an empty text.",
" -setfattr_r [-]name value iso_rr_path [***]",
" Like -setfattr but affecting all files below directories.",
" -setfattr_list disk_path",
" Read output of getfattr from file disk_path. Replace the",
" xattr of the iso_rr_path given by line \"# file:\".",
" -alter_date type timestring iso_rr_path [***]",
" Alter the date entries of a file in the ISO image. type is",
" one of \"a\", \"m\", \"b\" for:",
@ -14710,7 +14797,7 @@ int Xorriso_option_not_list(struct XorrisO *xorriso, char *adr, int flag)
}
ret= 1;
ex:;
if(fp!=NULL)
if(fp != NULL && fp != stdin)
fclose(fp);
Xorriso_read_lines(xorriso, fp, &linecount, &argc, &argv, 2);
if(ret<=0) {
@ -14920,7 +15007,7 @@ ex:;
Sfile_make_argv("", "", &argc, &argv, 2); /* release memory */
Xorriso_read_lines(xorriso, fp, &linecount, &linec, &linev, 2);
Xorriso_reset_counters(xorriso,0);
if(fp!=NULL)
if(fp != NULL && fp != stdin)
fclose(fp);
if(ret<=0) {
sprintf(xorriso->info_text,
@ -15135,7 +15222,7 @@ ex:;
if(flag & 1)
Xorriso_read_lines(xorriso, fp, &linecount, &argc, &argv, 2);
if(fp!=NULL)
if(fp != NULL && fp != stdin)
fclose(fp);
Xorriso_pacifier_callback(xorriso, "files added", xorriso->pacifier_count,
xorriso->pacifier_total, "", 1);
@ -15546,6 +15633,7 @@ int Xorriso_option_setfacl_listi(struct XorrisO *xorriso, char *path, int flag)
if(buf == NULL)
goto out_of_mem;
wpt= buf;
*wpt= 0;
uid[0]= gid[0]= 0;
while(1) {
@ -15560,6 +15648,7 @@ int Xorriso_option_setfacl_listi(struct XorrisO *xorriso, char *path, int flag)
if(ret<=0)
goto ex;
wpt= buf;
*wpt= 0;
file_path[0]= uid[0]= gid[0]= 0;
}
/* Unescape line and register as file path */
@ -15589,6 +15678,14 @@ int Xorriso_option_setfacl_listi(struct XorrisO *xorriso, char *path, int flag)
continue;
} else if(line[0] == '#' || line[0] == 0) {
continue;
} else if(strcmp(line, "@") == 0) {
Xorriso_msgs_submit(xorriso, 0,
"-setfacl_list input ended by '@'", 0, "NOTE", 0);
break;
} else if(strcmp(line, "@@@") == 0) {
Xorriso_msgs_submit(xorriso, 0,
"-setfacl_list aborted by input line '@@@'", 0, "WARNING", 0);
ret= 0; goto ex;
}
/* Register ACL entry */
@ -15627,7 +15724,7 @@ int Xorriso_option_setfacl_listi(struct XorrisO *xorriso, char *path, int flag)
ex:;
if(buf != NULL)
free(buf);
if(fp!=NULL)
if(fp != NULL && fp != stdin)
fclose(fp);
if(ret <= 0) {
sprintf(xorriso->info_text, "-setfacl_list ");
@ -15775,6 +15872,141 @@ ex:;
}
/* Option -setfattr_list alias -setfattr_listi */
int Xorriso_option_setfattr_listi(struct XorrisO *xorriso, char *path,
int flag)
{
int ret, eaten;
size_t linecount= 0, mem_used= 0, num_attr= 0, v_len;
char line[SfileadrL * 4], limit_text[80], *ept, *valuept;
char file_path[SfileadrL];
FILE *fp= NULL;
struct Xorriso_lsT *lst_curr= NULL, *lst_start= NULL;
Xorriso_pacifier_reset(xorriso, 0);
if(path[0]==0) {
sprintf(xorriso->info_text, "Empty file name given with -setfattr_list");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
ret= Xorriso_afile_fopen(xorriso, path, "rb", &fp, 0);
if(ret <= 0)
return(0);
while(1) {
if(Sfile_fgets_n(line, sizeof(line), fp, 0) == NULL)
break;
linecount++;
if(strncmp(line, "# file: ", 8) ==0) {
if(num_attr > 0 && file_path[0]) {
/* Commit previous list */
ret= Xorriso_perform_attr_from_list(xorriso, file_path, lst_start, 0);
if(ret<=0)
goto ex;
num_attr= 0;
file_path[0]= 0;
Xorriso_lst_destroy_all(&lst_start, 0);
lst_curr= NULL;
}
/* Unescape line and register as file path */
Sfile_bsl_interpreter(line + 8, strlen(line + 8), &eaten, 0);
if(strlen(line + 8) >= SfileadrL) {
sprintf(xorriso->info_text, "-setfattr_list: Oversized file path");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
strcpy(file_path, line + 8);
continue;
} else if(line[0] == '#' || line[0] == 0) {
continue;
} else if(strcmp(line, "@") == 0) {
Xorriso_msgs_submit(xorriso, 0,
"-setfattr_list input ended by '@'", 0, "NOTE", 0);
break;
} else if(strcmp(line, "@@@") == 0) {
Xorriso_msgs_submit(xorriso, 0,
"-setfattr_list aborted by input line '@@@'", 0, "WARNING", 0);
ret= 1; goto ex;
}
mem_used+= strlen(line) + 1;
if(mem_used > xorriso->temp_mem_limit) {
Sfile_scale((double) xorriso->temp_mem_limit, limit_text,5,1e4,1);
sprintf(xorriso->info_text,
"-setfattr_list: List entry for a single file exceeds -temp_mem_limit %s",
limit_text);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
/* Register attr pair */
ept= strchr(line, '=');
if(ept == NULL) {
sprintf(xorriso->info_text, "-setfattr_list: ");
Text_shellsafe(path, xorriso->info_text, 1);
sprintf(xorriso->info_text + strlen(xorriso->info_text),
" : Line %.f : No separator '=' found",
(double) linecount);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
continue;
}
valuept= ept + 1;
v_len= strlen(valuept);
for(ept= valuept + v_len - 1; ept > valuept; ept--)
if(isspace(*ept))
*ept= 0;
else
break;
v_len= strlen(valuept);
if(v_len < 2 || *valuept != '"' || *(valuept + v_len -1) != '"') {
sprintf(xorriso->info_text, "-setfattr_list: ");
Text_shellsafe(path, xorriso->info_text, 1);
sprintf(xorriso->info_text + strlen(xorriso->info_text),
" : Line %.f : Value not enclosed in quotes",
(double) linecount);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
continue;
}
ret= Xorriso_lst_new(&lst_curr, line, lst_curr, 0);
if(ret <= 0)
goto out_of_mem;
if(lst_start == NULL)
lst_start= lst_curr;
num_attr++;
}
if(file_path[0]) {
/* Commit last list */
ret= Xorriso_perform_attr_from_list(xorriso, file_path, lst_start, 0);
if(ret<=0)
goto ex;
} else {
sprintf(xorriso->info_text, "-setfattr_list: Unexpected end of file ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
}
ret= 1;
ex:;
if(fp != NULL && fp != stdin)
fclose(fp);
Xorriso_lst_destroy_all(&lst_start, 0);
if(ret <= 0) {
sprintf(xorriso->info_text, "-setfattr_list ");
Text_shellsafe(path, xorriso->info_text, 1);
sprintf(xorriso->info_text + strlen(xorriso->info_text),
" aborted in line %.f\n", (double) linecount);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
return(ret);
out_of_mem:;
Xorriso_no_malloc_memory(xorriso, NULL, 0);
ret= -1;
goto ex;
}
/* Option -speed */
int Xorriso_option_speed(struct XorrisO *xorriso, char *speed, int flag)
{
@ -16311,7 +16543,8 @@ int Xorriso_count_args(struct XorrisO *xorriso, int argc, char **argv,
"lsx","lslx","lsdx","lsdlx","map_l","mv","mvi","mkdir","mkdiri",
"not_paths","rm","rmi","rm_r","rm_ri","rmdir","rmdiri","update_l",
"setfacl","setfacli","setfacl_list","setfacl_listi",
"setfacl_r","setfacl_ri","setfattr","setfattri","setfattr_r","setfattr_ri",
"setfacl_r","setfacl_ri","setfattr","setfattri",
"setfattr_list","setfattr_listi","setfattr_r","setfattr_ri",
""
};
@ -16959,6 +17192,10 @@ next_command:;
(*idx)+= 2;
ret= Xorriso_option_setfattri(xorriso, arg1, arg2, argc, argv, idx, 0);
} else if(strcmp(cmd,"setfattr_list")==0 || strcmp(cmd,"setfattr_listi")==0) {
(*idx)+= 1;
ret= Xorriso_option_setfattr_listi(xorriso, arg1, 0);
} else if(strcmp(cmd,"setfattr_r")==0 || strcmp(cmd,"setfattr_ri")==0) {
(*idx)+= 2;
ret= Xorriso_option_setfattri(xorriso, arg1, arg2, argc, argv, idx, 1);

4
xorriso/xorriso.h
View File

@ -686,6 +686,10 @@ int Xorriso_option_setfacli(struct XorrisO *xorriso, char *acl_text,
int Xorriso_option_setfattri(struct XorrisO *xorriso, char *name, char *value,
int argc, char **argv, int *idx, int flag);
/* Option -setfattr_list alias -setfattr_listi */
int Xorriso_option_setfattr_listi(struct XorrisO *xorriso, char *path,
int flag);
/* Option -speed */
int Xorriso_option_speed(struct XorrisO *xorriso, char *speed, int flag);

9
xorriso/xorriso_eng.html
View File

@ -50,6 +50,7 @@ and to MMC-5 for DVD or BD).
<DD>With kernel 2.6 the drive should not be under ide-scsi.</DD>
<DT>or FreeBSD (with libc, of course) :</DT>
<DD>ATAPI/CAM support has to be enabled in the kernel, see atapicam(4).</DD>
<DD>libiconv has to be installed.</DD>
<DT>libpthread</DT>
<DD>is supposed to be a standard system component.</DD>
<DT>libreadline and libreadline-dev</DT>
@ -305,7 +306,9 @@ ISO session : 76 , 820384 , 11035s , PROJECTS_MAIL_2009_01_04_191150
Then become superuser and let xorriso mount the session of August 14, 2008
to directory /mnt:
</DT>
<DD>#<KBD>&nbsp;xorriso -mount /dev/sr0 volid '*_2008_08_14_*' /mnt </KBD></DD>
<DD>#<KBD>
&nbsp;xorriso -osirrox on -mount /dev/sr0 volid '*_2008_08_14_*' /mnt
</KBD></DD>
<DT>
To be later unmounted by: <KBD>umount /mnt</KBD>
</DT>
@ -479,8 +482,10 @@ Enhancements towards previous stable version xorriso-0.3.0.pl00:
<LI>New option -acl controls import and export of ACLs</LI>
<LI>New options -getfacl, -getfacl_r, -setfacl , -setfacl_r , -setfacl_list</LI>
<LI>New -find tests -has_acl, -has_no_acl, new -find actions getfacl, setfacl
</LI>
<LI>New option -xattr controls import and export of Extended Attributes</LI>
<LI>New options -getfattr, -getfattr_r, -setfattr, -setfattr_r</LI>
<LI>New options -getfattr, -getfattr_r, -setfattr, -setfattr_r, -setfattr_list
</LI>
<LI>New -find tests -has_xattr, -has_aaip, new -find actions getfattr, setfattr
</LI>
<!--

2
xorriso/xorriso_timestamp.h
View File

@ -1 +1 @@
#define Xorriso_timestamP "2009.02.12.110516"
#define Xorriso_timestamP "2009.02.13.202539"

10
xorriso/xorrisoburn.c
View File

@ -9105,9 +9105,9 @@ ex:;
}
/* @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 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
@ -9182,10 +9182,12 @@ int Xorriso_local_getfacl(struct XorrisO *xorriso, char *disk_path,
#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
Xorriso_process_msg_queues(xorriso,0);
return(ret);
}