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Experimental -find action -exec set_filter with some hardcoded filter commands

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This commit is contained in:
Thomas Schmitt 2009-03-29 16:49:38 +00:00
parent f4efc5c3fc
commit 25bc0d4101
5 changed files with 248 additions and 15 deletions
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5
xorriso/xorriso.1
View File

@ -156,7 +156,7 @@ useful to store intermediate states and to continue with image manipulations.
.B Media types and states:
There are two families of media in the MMC standard:
.br
\fBMulti-session media\fR are CD-R, CD-RW, DVD-R, DVD+R, DVD+R/DL, and
\fBMulti-session media\fR are CD-R, CD-RW, DVD-R, DVD+R, DVD+R/DL, BD-R, and
unformatted DVD-RW. These media provide a table of content which
describes their existing sessions. See option \fB-toc\fR.
.br
@ -1151,7 +1151,8 @@ matches only files which use data blocks outside the areas marked as damaged.
-lba_range start_lba block_count
.br
matches only files which use data blocks within the range of start_lba
and start_lba+block_count-1.
and start_lba+block_count-1. A negative start_lba matches those files which
would not match the range given by its positive counter part.
.br
-has_acl , -has_no_acl
.br

26
xorriso/xorriso.c
View File

@ -2480,6 +2480,8 @@ struct FindjoB {
24= getfacl
25= setfacl access_acl default_acl
26= getfattr
27= setfattr
28= set_filter name suffix
*/
int action;
@ -2506,8 +2508,8 @@ int Findjob_new(struct FindjoB **o, char *start_path, int flag)
m->start_path= NULL;
m->name_expr= NULL;
m->file_type= 0;
m->start_lba= -1;
m->end_lba= -1;
m->start_lba= 0;
m->end_lba= 0;
m->damage_filter= 0;
m->commit_filter= 0;
m->acl_filter= 0;
@ -2611,7 +2613,10 @@ int Findjob_set_lba_range(struct FindjoB *o, int start_lba, int count,
int flag)
{
o->start_lba= start_lba;
o->end_lba= start_lba + count - 1;
if(start_lba > 0)
o->end_lba= start_lba + count - 1;
else
o->end_lba= start_lba - count + 1;
return(1);
}
@ -6955,7 +6960,8 @@ int Xorriso_compare_2_files(struct XorrisO *xorriso, char *disk_adr,
(*result)|= 64;
}
}
if(S_ISREG(s2.st_mode) && s1.st_size != s2.st_size) {
if((!(xorriso->do_aaip & 32)) &&
S_ISREG(s2.st_mode) && s1.st_size != s2.st_size) {
sprintf(respt, "%s st_size : %.f <> %.f diff= %.f\n",
a, (double) s1.st_size, (double) s2.st_size,
((double) s1.st_size) - (double) s2.st_size);
@ -13696,6 +13702,15 @@ not_enough_arguments:;
if(ret <= 0)
goto ex;
Findjob_set_action_text_2(job, 27, argv[i - 1], argv[i], 0);
} else if(strcmp(cpt, "set_filter")==0) {
if(i+2>=end_idx)
goto not_enough_arguments;
i+= 2;
Findjob_set_action_text_2(job, 28, argv[i - 1], argv[i], 0);
if(!(flag&2)) {
Xorriso_pacifier_reset(xorriso, 0);
mem_lut= xorriso->last_update_time;
}
} else {
sprintf(xorriso->info_text, "-find -exec: unknown action %s",
Text_shellsafe(argv[i], sfe, 0));
@ -13719,6 +13734,9 @@ ex:;
if(deleter && !(flag&2))
Xorriso_pacifier_callback(xorriso, "iso_rr_paths deleted",
xorriso->pacifier_count, 0, "", 1|2);
else if(first_job->action == 28 && !(flag&2))
Xorriso_pacifier_callback(xorriso, "file filters processed",
xorriso->pacifier_count, 0, "", 1 | 2);
else if(mem_lut!=xorriso->last_update_time && mem_lut!=0.0 && !(flag&2))
Xorriso_pacifier_callback(xorriso, "content bytes read",
xorriso->pacifier_count, 0, "", 1);

2
xorriso/xorriso_timestamp.h
View File

@ -1 +1 @@
#define Xorriso_timestamP "2009.03.29.164703"
#define Xorriso_timestamP "2009.03.29.164931"

227
xorriso/xorrisoburn.c
View File

@ -6599,6 +6599,9 @@ int Xorriso_findi_action(struct XorrisO *xorriso, struct FindjoB *job,
} else if(action == 27) {
ret= Xorriso_path_setfattr(xorriso, (void *) node, show_path,
target, strlen(text_2), text_2, 0);
} else if(action == 28) {
ret= Xorriso_set_filter(xorriso, (void *) node, show_path,
target, text_2, 1 | 2);
} else { /* includes : 15 in_iso */
sprintf(xorriso->result_line, "%s\n", Text_shellsafe(show_path, sfe, 0));
Xorriso_result(xorriso, 0);
@ -6636,16 +6639,23 @@ int Xorriso_findi_test(struct XorrisO *xorriso, struct FindjoB *job,
if((damage_filter > 0) != (ret > 0))
return(0);
}
if(start_lba >= 0 && end_lba >= 0) {
if(start_lba != 0) {
ret= Xorriso__start_end_lbas(node, &lba_count,
&file_start_lbas, &file_end_lbas, &size, 0);
if(ret <= 0) {
Xorriso_process_msg_queues(xorriso, 0);
goto ex;
}
for(i= 0; i < lba_count; i++) {
if(file_end_lbas[i] < start_lba || file_start_lbas[i] > end_lba)
{ret= 0; goto ex;}
if(start_lba > 0)
goto ex;
} 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)
{ret= 0; goto ex;}
} else {
if(file_end_lbas[i] >= -start_lba && file_start_lbas[i] <= -end_lba)
{ret= 0; goto ex;}
}
}
}
}
Findjob_get_commit_filter(job, &commit_filter, 0);
@ -6814,9 +6824,9 @@ int Xorriso_findi(struct XorrisO *xorriso, struct FindjoB *job,
mem= boss_mem;
hflag= 1;
if(action==1 || action==2 || action==3 || action==17)
if(action==1 || action==2 || action==3 || action==17 || action == 28)
hflag|= 2; /* need freedom to manipulate image */
if(action==14 || action==17)
if(action==14 || action==17 || action == 28)
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,
@ -9601,3 +9611,204 @@ ex:;
return(ret);
}
/*
@pram suffix to be added or stripped if not empty or "-no-suffix-"
@param flag bit0= return 2 if renaming is not possible
bit1= print pacifier messages
*/
int Xorriso_set_filter(struct XorrisO *xorriso, void *in_node,
char *path, char *filter_name, char *suffix, int flag)
{
int ret, lo= 0, ls= 0, strip_suffix= 0, strip_filter= 0;
IsoNode *node;
IsoFile *file;
IsoExternalFilterCommand *cmd = NULL;
char *old_name= NULL, new_name[SfileadrL];
static char *argv_cat[2] = {"cat", NULL};
static IsoExternalFilterCommand cmd_cat =
{0, 0, "/bin/cat", 1, argv_cat, 1};
static char *argv_gzip[2] = {"gzip", NULL};
static IsoExternalFilterCommand cmd_gzip =
{0, 0, "/usr/bin/gzip", 1, argv_gzip, 4};
static char *argv_gunzip[2] = {"gunzip", NULL};
static IsoExternalFilterCommand cmd_gunzip =
{0, 0, "/usr/bin/gunzip", 1, argv_gunzip, 1};
static char *argv_sencrypt[6] =
{"sencrypt", "-e", "-g", "-k", "1QwErTy7", NULL};
static IsoExternalFilterCommand cmd_sencrypt =
{0, 0, "/usr/bin/sencrypt", 5, argv_sencrypt, 1};
static char *argv_sencrypt_d[6] =
{"sencrypt", "-d", "-g", "-k", "1QwErTy7", NULL};
static IsoExternalFilterCommand cmd_sencrypt_d =
{0, 0, "/usr/bin/sencrypt", 5, argv_sencrypt_d, 1};
static char *argv_sencrypt_f[6] =
{"sencrypt", "-e", "-g", "-f", "/var/opt/xorriso/keys/testkey", NULL};
static IsoExternalFilterCommand cmd_sencrypt_f =
{0, 0, "/usr/bin/sencrypt", 5, argv_sencrypt_f, 1};
static char *argv_sencrypt_f_d[6] =
{"sencrypt", "-d", "-g", "-f", "/var/opt/xorriso/keys/testkey", NULL};
static IsoExternalFilterCommand cmd_sencrypt_f_d =
{0, 0, "/usr/bin/sencrypt", 5, argv_sencrypt_f_d, 1};
new_name[0]= 0;
if(getuid() != geteuid()) {
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
sprintf(xorriso->info_text,
"-set_filter: UID and EUID differ. Will not run external programs.");
return(0);
}
node= (IsoNode *) in_node;
if(node == NULL) {
ret= Xorriso_get_node_by_path(xorriso, path, NULL, &node, 0);
if(ret <= 0)
goto ex;
}
if(!LIBISO_ISREG(node)) {
strcpy(xorriso->info_text, "-set_filter: Not a regular data file node ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
ret= 0; goto ex;
}
file= (IsoFile *) node;
/* >>> lookup cmd by filter_name */
/* <<< this is a dummy for testing */
if(strcmp(filter_name, "-cat") == 0) {
cmd= &cmd_cat;
} else if(strcmp(filter_name, "-gzip") == 0) {
cmd= &cmd_gzip;
} else if(strcmp(filter_name, "-gunzip") == 0) {
cmd= &cmd_gunzip;
strip_suffix= 1;
} else if(strcmp(filter_name, "-sencrypt") == 0) {
cmd= &cmd_sencrypt;
} else if(strcmp(filter_name, "-sencrypt_d") == 0) {
cmd= &cmd_sencrypt_d;
strip_suffix= 1;
} else if(strcmp(filter_name, "-sencrypt_f") == 0) {
cmd= &cmd_sencrypt_f;
} else if(strcmp(filter_name, "-sencrypt_f_d") == 0) {
cmd= &cmd_sencrypt_f_d;
strip_suffix= 1;
} else if(strcmp(filter_name, "--remove-all-filters") == 0) {
strip_filter= 1;
strip_suffix= 1;
} else {
strcpy(xorriso->info_text, "-set_filter: Not a registered filter name ");
Text_shellsafe(filter_name, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
if(suffix[0] && strcmp(suffix, "--no-suffix") != 0) {
old_name= strdup((char *) iso_node_get_name(node));
lo= strlen(old_name);
ls= strlen(suffix);
if(strip_suffix) {
if(lo <= ls) {
/* refuse gracefully */
ret= 2; goto ex;
}
if(strcmp(old_name + lo - ls, suffix) != 0) {
ret= 2; goto ex;
}
if(lo > sizeof(new_name))
goto cannot_remove_suffix;
strcpy(new_name, old_name);
new_name[lo - ls]= 0;
ret = iso_node_set_name(node, new_name);
if (ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
if (!(flag & 1))
Xorriso_report_iso_error(xorriso, "", ret,
"Error when renaming ISO node", 0, "FAILURE", 1);
cannot_remove_suffix:;
/* >>> would need full iso_rr_path of node */;
strcpy(xorriso->info_text, "-set_filter: Cannot remove suffix from ");
Text_shellsafe(old_name, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
(flag & 1) ? "WARNING" : "FAILURE", 0);
ret= 2 * (flag & 1); goto ex;
}
} else {
/* check whether suffix already present */
if(lo >= ls)
if(strcmp(old_name + lo - ls, suffix) == 0) {
/* refuse gracefully */
ret= 2; goto ex;
}
if(lo + ls > 255) {
cannot_append_suffix:;
/* >>> would need full iso_rr_path of node */;
strcpy(xorriso->info_text, "-set_filter: Cannot append suffix to ");
Text_shellsafe(old_name, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
(flag & 1) ? "WARNING" : "FAILURE", 0);
ret= 2 * (flag & 1); goto ex;
}
sprintf(new_name, "%s%s", old_name, suffix);
ret = iso_node_set_name(node, new_name);
if (ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
if (!(flag & 1))
Xorriso_report_iso_error(xorriso, "", ret,
"Error when renaming ISO node", 0, "FAILURE", 1);
goto cannot_append_suffix;
}
}
}
if(strip_filter) {
while(1) {
ret= iso_file_remove_filter(file, 0);
if(ret != 1)
break;
}
} else {
ret = iso_file_add_external_filter(file, cmd, 0);
}
if(flag & 2) {
xorriso->pacifier_count++;
Xorriso_pacifier_callback(xorriso, "file filters processed",
xorriso->pacifier_count, xorriso->pacifier_total, "", 0);
}
if(ret != 1 && new_name[0] && old_name != NULL) {
ret = iso_node_set_name(node, old_name);
if (ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
if (!(flag & 1))
Xorriso_report_iso_error(xorriso, "", ret,
"Error when renaming ISO node", 0, "FAILURE", 1);
}
}
if(ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", ret,
"Error when setting filter to ISO node", 0, "FAILURE", 1);
ret= 0; goto ex;
}
/* <<< Adding a filter is an initial image change only if node in
old image and indev!=outdev
xorriso->volset_change_pending= 1;
*/
ex:;
if(old_name != NULL)
free(old_name);
Xorriso_process_msg_queues(xorriso,0);
return(ret);
}

3
xorriso/xorrisoburn.h
View File

@ -431,6 +431,9 @@ int Xorriso_record_dev_inode(struct XorrisO *xorriso, char *disk_path,
int Xorriso_local_getfacl(struct XorrisO *xorriso, char *disk_path,
char **text, int flag);
int Xorriso_set_filter(struct XorrisO *xorriso, void *in_node,
char *path, char *filter_name, char *suffix, int flag);
/* A pseudo file type for El-Torito bootsectors as in man 2 stat :
For now take the highest possible value.