401 lines
11 KiB
C
401 lines
11 KiB
C
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/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
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Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
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Provided under GPL version 2 or later.
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This file contains declarations of classes FindjoB, ExprnodE, ExprtesT
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which perform tree searches in libisofs or in POSIX filesystem.
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*/
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#ifndef Xorriso_pvt_findjob_includeD
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#define Xorriso_pvt_findjob_includeD yes
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#define Xorriso_findjob_on_expR yes
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#ifdef Xorriso_findjob_on_expR
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/*
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A single Testnode.
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*/
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struct ExprtesT {
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struct FindjoB *boss;
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int invert; /* 0=normal 1=invert result */
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/*
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0= -false (with invert : -true)
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1= -name char *arg1 (regex_t in *arg2)
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2= -type char *arg1
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3= -damaged
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4= -lba_range int *arg1 int *arg2
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5= -has_acl
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6= -has_xattr
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7= -has_aaip
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8= -has_filter
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9= -wanted_node IsoNode *arg1 (for internal use, arg1 not allocated)
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10= -pending_data
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11= -decision char *arg1 ("yes", "no")
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12= -prune
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13= -wholename char *arg1 (regex_t in *arg2)
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14= -has_any_xattr
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15= -has_md5
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*/
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int test_type;
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void *arg1;
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void *arg2;
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};
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/*
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A computational node.
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A tree of these nodes forms the expression.
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Sequences of AND/OR operations form branches, brackets spawn new branches,
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NOT inverts node's test resp. subtree result.
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*/
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struct ExprnodE {
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struct ExprnodE *up;
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char origin[8];
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/* Operators */
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int invert; /* 0=normal 1=invert own result (subtree or test, but not op) */
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int assoc; /*
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0= left : compute own value, combine with left value,
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compute right value, combine with current value
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1= right: compute own value, compute right value,
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combine own and right, combine with left value
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*/
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int use_shortcuts; /* 0= evaluate all tests of -and and -or,
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1= evaluate only until the combined result is known
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*/
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struct ExprnodE *left;
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int left_op; /* 0=OR , 1=AND */
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struct ExprnodE *right;
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int right_op; /* see left_op */
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/* Brackets : a pointer to the first node in a subchain */
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struct ExprnodE *sub;
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int is_if_then_else;
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struct ExprnodE *true_branch;
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struct ExprnodE *false_branch;
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/* elementary test : if sub!=NULL , test is ignored */
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struct ExprtesT *test;
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/* Result */
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int own_value;
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int composed_value;
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};
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struct FindjoB {
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char *start_path;
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struct ExprnodE *test_tree;
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struct ExprnodE *cursor;
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int invert; /* 0=normal 1=set invert-property for next new test node */
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int use_shortcuts;
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/* 0= echo
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1= rm (also rmdir)
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2= rm_r
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>>> 3= mv target
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4= chown user
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5= chgrp group
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6= chmod mode_and mode_or
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7= alter_date type date
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8= lsdl
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9= chown_r user
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10= chgrp_r group
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11= chmod_r mode_and mode_or
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12= alter_date_r type date
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13= find
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14= compare disk_equivalent_of_start_path
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15= in_iso iso_rr_equivalent_of_start_path
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16= not_in_iso iso_rr_equiv
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17= update disk_equiv
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18= add_missing iso_rr_equiv
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19= empty_iso_dir iso_rr_equiv
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20= is_full_in_iso iso_rr_equiv
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21= report_damage
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22= report_lba
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23= internal: memorize path of last matching node in found_path
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24= getfacl
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25= setfacl access_acl default_acl
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26= getfattr
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27= setfattr
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28= set_filter name
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29= show_stream
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30= internal: count by xorriso->node_counter
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31= internal: register in xorriso->node_array
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32= internal: widen_hardlinks disk_equiv: update nodes marked in di_do_widen
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33= get_any_xattr
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34= get_md5
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35= check_md5
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36= make_md5
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37= mkisofs_r
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38= sort_weight number
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*/
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int action;
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int prune;
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/* action specific parameters */
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char *target;
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char *text_2;
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uid_t user;
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gid_t group;
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mode_t mode_and, mode_or;
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int type; /* see Xorriso_set_time flag, also used as weight */
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time_t date;
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char *found_path;
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struct FindjoB *subjob;
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/* Errors */
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char errmsg[4096];
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int errn; /*
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>0 = UNIX errno
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-1 = close_bracket: no bracket open
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-2 = binary operator or closing bracket expected
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-3 = unexpected binary operator or closing bracket
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-4 = unsupported command
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-5 = -then -elseif -else -endif without -if or at wrong place
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*/
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};
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int Exprnode_destroy(struct ExprnodE **fnode, int flag);
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int Exprnode_tree_value(struct XorrisO *xorriso, struct ExprnodE *fnode,
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int left_value, void *node, char *name, char *path,
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struct stat *boss_stbuf, struct stat *stbuf, int flag);
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int Findjob_new(struct FindjoB **o, char *start_path, int flag);
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int Findjob_destroy(struct FindjoB **o, int flag);
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int Findjob_set_start_path(struct FindjoB *o, char *start_path, int flag);
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int Findjob_get_start_path(struct FindjoB *o, char **start_path, int flag);
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int Findjob_set_commit_filter_2(struct FindjoB *o, int flag);
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int Findjob_set_lba_range(struct FindjoB *o, int start_lba, int count,
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int flag);
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int Findjob_set_wanted_node(struct FindjoB *o, void *wanted_node, int flag);
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/* @param value -1= only undamaged files, 1= only damaged files
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*/
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int Findjob_set_damage_filter(struct FindjoB *o, int value, int flag);
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int Findjob_set_decision(struct FindjoB *o, char *decision, int flag);
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int Findjob_open_bracket(struct FindjoB *job, int flag);
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int Findjob_close_bracket(struct FindjoB *job, int flag);
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int Findjob_not(struct FindjoB *job, int flag);
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int Findjob_and(struct FindjoB *job, int flag);
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int Findjob_or(struct FindjoB *job, int flag);
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int Findjob_if(struct FindjoB *job, int flag);
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int Findjob_then(struct FindjoB *job, int flag);
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int Findjob_else(struct FindjoB *job, int flag);
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int Findjob_elseif(struct FindjoB *job, int flag);
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int Findjob_endif(struct FindjoB *job, int flag);
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int Findjob_test_2(struct XorrisO *xorriso, struct FindjoB *o,
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void *node, char *name, char *path,
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struct stat *boss_stbuf, struct stat *stbuf, int flag);
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int Findjob_set_action_found_path(struct FindjoB *o, int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_target(struct FindjoB *o, int action, char *target,
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int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_ad(struct FindjoB *o, int type, time_t date, int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_chgrp(struct FindjoB *o, gid_t group, int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_chmod(struct FindjoB *o,
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mode_t mode_and, mode_t mode_or, int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_chown(struct FindjoB *o, uid_t user,int flag);
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/* @param flag bit0= -wholename rather than -name
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*/
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int Findjob_set_name_expr(struct FindjoB *o, char *name_expr, int flag);
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int Findjob_set_file_type(struct FindjoB *o, char file_type, int flag);
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/* @param value -1= files without ACL, 1= only files with ACL
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*/
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int Findjob_set_acl_filter(struct FindjoB *o, int value, int flag);
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/* @param value -1= files without xattr, 1= only files with xattr
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@param flag bit0=-has_any_xattr rather than -has_xattr
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*/
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int Findjob_set_xattr_filter(struct FindjoB *o, int value, int flag);
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/* @param value -1= files without aaip, 1= only files with aaip
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*/
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int Findjob_set_aaip_filter(struct FindjoB *o, int value, int flag);
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/* @param value -1= files without filter, 1= files with filter
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*/
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int Findjob_set_filter_filter(struct FindjoB *o, int value, int flag);
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/* @param value -1= only without property, 1= only with property
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@param flag bit0= pseudo-test:
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if no operator is open, do nothing and return 2
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*/
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int Findjob_set_prop_filter(struct FindjoB *o, int test_type, int value,
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int flag);
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/* @param value -1= true, 1= false
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@param flag bit0= pseudo-test:
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if no operator is open, do nothing and return 2
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*/
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int Findjob_set_false(struct FindjoB *o, int value, int flag);
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int Findjob_set_prune(struct FindjoB *o, int flag);
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int Findjob_set_action_subjob(struct FindjoB *o, int action,
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struct FindjoB *subjob, int flag);
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int Findjob_set_action_text_2(struct FindjoB *o, int action, char *target,
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char* text_2, int flag);
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int Findjob_set_action_type(struct FindjoB *o, int action, int type, int flag);
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int Findjob_get_action(struct FindjoB *o, int flag);
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int Findjob_get_action_parms(struct FindjoB *o, char **target, char **text_2,
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uid_t *user, gid_t *group,
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mode_t *mode_and, mode_t *mode_or,
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int *type, time_t *date, struct FindjoB **subjob,
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int flag);
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int Findjob_set_found_path(struct FindjoB *o, char *path, int flag);
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int Findjob_get_found_path(struct FindjoB *o, char **path, int flag);
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#else /* Xorriso_findjob_on_expR */
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struct FindjoB;
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int Findjob_new(struct FindjoB **o, char *start_path, int flag);
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int Findjob_destroy(struct FindjoB **job, int flag);
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/* @return 0=no match , 1=match , <0 = error
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*/
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int Findjob_test(struct FindjoB *job, char *name,
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struct stat *boss_stbuf, struct stat *stbuf,
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int depth, int flag);
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/* @return <0 error, >=0 see xorriso.c struct FindjoB.action
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*/
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int Findjob_get_action(struct FindjoB *o, int flag);
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/* @return <0 error, >=0 see xorriso.c struct FindjoB.action
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*/
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int Findjob_get_action_parms(struct FindjoB *o, char **target, char **text_2,
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uid_t *user, gid_t *group,
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mode_t *mode_and, mode_t *mode_or,
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int *type, time_t *date, struct FindjoB **subjob,
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int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_target(struct FindjoB *o, int action, char *target,
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int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_chgrp(struct FindjoB *o, gid_t group, int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_chmod(struct FindjoB *o,
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mode_t mode_and, mode_t mode_or, int flag);
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/* @param flag bit0= recursive
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*/
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int Findjob_set_action_ad(struct FindjoB *o, int type, time_t date, int flag);
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int Findjob_set_start_path(struct FindjoB *o, char *start_path, int flag);
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int Findjob_set_action_found_path(struct FindjoB *o, int flag);
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int Findjob_get_start_path(struct FindjoB *o, char **start_path, int flag);
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int Findjob_set_lba_range(struct FindjoB *o, int start_lba, int count,
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int flag);
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int Findjob_get_lba_damage_filter(struct FindjoB *o, int *start_lba,
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int *end_lba, int *damage_filter, int flag);
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int Findjob_get_commit_filter(struct FindjoB *o, int *commit_filter, int flag);
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int Findjob_get_acl_filter(struct FindjoB *o, int *acl_filter, int flag);
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int Findjob_get_xattr_filter(struct FindjoB *o, int *xattr_filter, int flag);
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int Findjob_get_aaip_filter(struct FindjoB *o, int *aaip_filter, int flag);
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int Findjob_get_filter_filter(struct FindjoB *o, int *value, int flag);
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int Findjob_set_wanted_node(struct FindjoB *o, void *wanted_node, int flag);
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int Findjob_get_wanted_node(struct FindjoB *o, void **wanted_node, int flag);
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int Findjob_set_found_path(struct FindjoB *o, char *path, int flag);
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int Findjob_get_found_path(struct FindjoB *o, char **path, int flag);
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#endif /* ! Xorriso_findjob_on_expR */
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#endif /* ! Xorriso_pvt_findjob_includeD */
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