mirror of
https://gitlab.com/apparmor/apparmor.git
synced 2025-03-04 08:24:42 +01:00
Remove pcre and update tests where necessary
This commit is contained in:
John Johansen
parent
06ebb0b6d6
commit
b5c780d2a1
16 changed files with 24 additions and 6206 deletions
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@ -1,6 +1,5 @@
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This license applies to all source files within the SubDomain parser
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This license applies to all source files within the SubDomain parser
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package, with the exception of md5.c and the files in the pcre/
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package.
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subdirectory, as they are covered under their own respective licenses.
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GNU GENERAL PUBLIC LICENSE
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GNU GENERAL PUBLIC LICENSE
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Version 2, June 1991
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Version 2, June 1991
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@ -82,9 +82,6 @@ OBJECTS = parser_lex.o parser_yacc.o parser_main.o parser_interface.o \
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AAREDIR= libapparmor_re
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AAREDIR= libapparmor_re
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AAREOBJECTS = ${AAREDIR}/libapparmor_re.a
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AAREOBJECTS = ${AAREDIR}/libapparmor_re.a
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PCREDIR= pcre
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PCREOBJECTS = ${PCREDIR}/pcre.o
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LEX_C_FILES = parser_lex.c
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LEX_C_FILES = parser_lex.c
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YACC_C_FILES = parser_yacc.c parser_yacc.h
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YACC_C_FILES = parser_yacc.c parser_yacc.h
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@ -94,7 +91,7 @@ DISABLED_TESTS =
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TEST_OBJECTS = $(filter-out parser_lex.o, \
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TEST_OBJECTS = $(filter-out parser_lex.o, \
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$(filter-out parser_yacc.o, \
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$(filter-out parser_yacc.o, \
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$(filter-out parser_main.o, ${OBJECTS} ${PCREOBJECTS})))
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$(filter-out parser_main.o, ${OBJECTS})))
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ifdef V
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ifdef V
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VERBOSE = 1
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VERBOSE = 1
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@ -140,10 +137,10 @@ docs: manpages htmlmanpages pdf
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all: main docs tests
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all: main docs tests
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apparmor_parser: $(OBJECTS) $(PCREOBJECTS) $(AAREOBJECTS)
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apparmor_parser: $(OBJECTS) $(AAREOBJECTS)
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rm -f ./libstdc++.a
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rm -f ./libstdc++.a
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ln -s `g++ -print-file-name=libstdc++.a`
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ln -s `g++ -print-file-name=libstdc++.a`
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g++ $(EXTRA_CFLAGS) -o $@ $(OBJECTS) $(PCREOBJECTS) $(LIBS) \
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g++ $(EXTRA_CFLAGS) -o $@ $(OBJECTS) $(LIBS) \
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${LEXLIB} $(AAREOBJECTS) -static-libgcc -L.
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${LEXLIB} $(AAREOBJECTS) -static-libgcc -L.
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parser_yacc.c parser_yacc.h: parser_yacc.y parser.h
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parser_yacc.c parser_yacc.h: parser_yacc.y parser.h
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@ -216,8 +213,8 @@ tst_variable: parser_variable.c parser.h $(filter-out parser_variable.o, ${TEST_
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tst_misc: parser_misc.c parser.h parser_yacc.h af_names.h cap_names.h
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tst_misc: parser_misc.c parser.h parser_yacc.h af_names.h cap_names.h
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$(Q)$(CC) -DUNIT_TEST $(EXTRA_CFLAGS) $(TEST_FLAGS) -o $@ $< $(BUILD_OUTPUT)
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$(Q)$(CC) -DUNIT_TEST $(EXTRA_CFLAGS) $(TEST_FLAGS) -o $@ $< $(BUILD_OUTPUT)
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tst_regex: parser_regex.c parser.h parser_yacc.h $(PCREOBJECTS)
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tst_regex: parser_regex.c parser.h parser_yacc.h
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$(Q)$(CC) -DUNIT_TEST $(EXTRA_CFLAGS) $(TEST_FLAGS) -o $@ $< $(PCREOBJECTS) $(BUILD_OUTPUT)
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$(Q)$(CC) -DUNIT_TEST $(EXTRA_CFLAGS) $(TEST_FLAGS) -o $@ $< $(BUILD_OUTPUT)
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.SILENT: check
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.SILENT: check
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.PHONY: check
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.PHONY: check
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@ -237,11 +234,6 @@ check: tests
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$(AAREOBJECTS):
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$(AAREOBJECTS):
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make -C $(AAREDIR)
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make -C $(AAREDIR)
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.SILENT: $(PCREOBJECTS)
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.PHONY: $(PCREOBJECTS)
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$(PCREOBJECTS):
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make -C $(PCREDIR) "CFLAGS=$(EXTRA_CFLAGS)"
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.PHONY: install-rhel4
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.PHONY: install-rhel4
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install-rhel4: install-redhat
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install-rhel4: install-redhat
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@ -304,7 +296,6 @@ clean: _clean
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rm -f af_names.h
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rm -f af_names.h
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rm -f cap_names.h
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rm -f cap_names.h
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-rm -rf techdoc.{aux,log,pdf,toc,txt} techdoc/
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-rm -rf techdoc.{aux,log,pdf,toc,txt} techdoc/
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make -s -C $(PCREDIR) clean
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make -s -C $(AAREDIR) clean
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make -s -C $(AAREDIR) clean
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make -s -C po clean
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make -s -C po clean
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@ -11,11 +11,6 @@ issues should be directed to security@suse.de or secure@novell.com,
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where we will attempt to conform to the RFP vulnerability disclosure
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where we will attempt to conform to the RFP vulnerability disclosure
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protocol: http://www.wiretrip.net/rfp/policy.html
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protocol: http://www.wiretrip.net/rfp/policy.html
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The parser uses the PCRE (Perl Compatible Regular Expression) engine,
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which was written by Philip Hazel and is copyright by the University
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of Cambridge, England. For more information on the PCRE engine, see
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<ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/>
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Thanks.
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Thanks.
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-- The AppArmor development team
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-- The AppArmor development team
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@ -23,7 +23,6 @@
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#include <netinet/in.h>
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#include <netinet/in.h>
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#include <sys/resource.h>
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#include <sys/resource.h>
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#include "pcre/internal.h"
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#include "immunix.h"
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#include "immunix.h"
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#include "libapparmor_re/apparmor_re.h"
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#include "libapparmor_re/apparmor_re.h"
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@ -44,7 +43,6 @@ struct named_transition {
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struct cod_pattern {
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struct cod_pattern {
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char *regex; // posix regex
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char *regex; // posix regex
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pcre *compiled; // compiled regex, size is compiled->size
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};
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};
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struct cod_entry {
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struct cod_entry {
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@ -175,9 +173,10 @@ struct var_string {
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#define OPTION_OFILE 5
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#define OPTION_OFILE 5
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#define AARE_NONE 0
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#define AARE_NONE 0
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#define AARE_PCRE 1
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#define AARE_DFA 2
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#define AARE_DFA 2
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#define BOOL int
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#define FLAG_CHANGEHAT_1_4 2
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#define FLAG_CHANGEHAT_1_4 2
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#define FLAG_CHANGEHAT_1_5 3
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#define FLAG_CHANGEHAT_1_5 3
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extern int flag_changehat_version;
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extern int flag_changehat_version;
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@ -455,57 +455,6 @@ inline int sd_write_listend(sd_serialize *p)
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return 1;
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return 1;
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}
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}
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int sd_serialize_pattern(sd_serialize *p, pcre *pat)
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{
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if (!sd_write_struct(p, "pcre"))
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return 0;
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if (!sd_write32(p, pat->size - sizeof(pcre)))
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return 0;
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if (!sd_write32(p, pat->magic_number))
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return 0;
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if (!sd_write32(p, pat->options))
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return 0;
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if (!sd_write16(p, pat->top_bracket))
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return 0;
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if (!sd_write16(p, pat->top_backref))
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return 0;
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if (!sd_write8(p, pat->first_char))
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return 0;
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if (!sd_write8(p, pat->req_char))
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return 0;
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if (!sd_write8(p, pat->code[0]))
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return 0;
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if (!sd_write_blob(p, &pat->code[1], pat->size - sizeof(pcre), NULL))
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return 0;
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if (!sd_write_structend(p))
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return 0;
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return 1;
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}
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int sd_serialize_file_entry(sd_serialize *p, struct cod_entry *file_entry)
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{
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PDEBUG("Writing file entry. name '%s'\n", file_entry->name);
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if (!sd_write_struct(p, "fe"))
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return 0;
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if (!sd_write_string(p, file_entry->name, NULL))
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return 0;
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if (!sd_write32(p, file_entry->mode))
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return 0;
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if (!sd_write32(p, file_entry->pattern_type))
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return 0;
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if (file_entry->pattern_type == ePatternRegex) {
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if (!sd_write_string(p, file_entry->pat.regex, NULL))
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return 0;
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if (!sd_serialize_pattern(p, file_entry->pat.compiled))
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return 0;
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}
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if (!sd_write_structend(p))
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return 0;
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return 1;
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}
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int sd_serialize_dfa(sd_serialize *p, void *dfa, size_t size)
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int sd_serialize_dfa(sd_serialize *p, void *dfa, size_t size)
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{
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{
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if (dfa && !sd_write_aligned_blob(p, dfa, size, "aadfa"))
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if (dfa && !sd_write_aligned_blob(p, dfa, size, "aadfa"))
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@ -598,18 +547,6 @@ int count_tailglob_ents(struct cod_entry *list)
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return count;
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return count;
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}
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}
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int count_pcre_ents(struct cod_entry *list)
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{
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struct cod_entry *entry;
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int count = 0;
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list_for_each(list, entry) {
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if (entry->pattern_type == ePatternRegex) {
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count++;
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}
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}
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return count;
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}
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int sd_serialize_profile(sd_serialize *p, struct codomain *profile,
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int sd_serialize_profile(sd_serialize *p, struct codomain *profile,
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int flattened)
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int flattened)
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{
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{
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@ -728,47 +665,8 @@ int sd_serialize_profile(sd_serialize *p, struct codomain *profile,
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if (!sd_serialize_xtable(p, profile->exec_table))
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if (!sd_serialize_xtable(p, profile->exec_table))
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return 0;
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return 0;
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} else {
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} else {
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/* pcre globbing entries */
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PERROR(_("Unknown pattern type\n"));
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if (count_pcre_ents(profile->entries)) {
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return 1;
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if (!sd_write_list(p, "pgent"))
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return 0;
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list_for_each(profile->entries, entry) {
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if (entry->pattern_type == ePatternRegex) {
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if (!sd_serialize_file_entry(p, entry))
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return 0;
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}
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}
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if (!sd_write_listend(p))
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return 0;
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}
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/* simple globbing entries */
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if (count_tailglob_ents(profile->entries)) {
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if (!sd_write_list(p, "sgent"))
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return 0;
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list_for_each(profile->entries, entry) {
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if (entry->pattern_type == ePatternTailGlob) {
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if (!sd_serialize_file_entry(p, entry))
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return 0;
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}
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}
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if (!sd_write_listend(p))
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return 0;
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}
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/* basic file entries */
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if (count_file_ents(profile->entries)) {
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if (!sd_write_list(p, "fent"))
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return 0;
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list_for_each(profile->entries, entry) {
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if (entry->pattern_type == ePatternBasic) {
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if (!sd_serialize_file_entry(p, entry))
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return 0;
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}
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}
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if (!sd_write_listend(p))
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return 0;
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}
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}
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}
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if (profile->hat_table && regex_type != AARE_DFA) {
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if (profile->hat_table && regex_type != AARE_DFA) {
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@ -30,6 +30,7 @@
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#include <fcntl.h>
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#include <fcntl.h>
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#include <mntent.h>
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#include <mntent.h>
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#include <libintl.h>
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#include <libintl.h>
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#include <linux/limits.h>
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#include <locale.h>
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#include <locale.h>
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#define _(s) gettext(s)
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#define _(s) gettext(s)
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@ -53,7 +54,6 @@
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#define MATCH_STRING "/sys/kernel/security/" MODULE_NAME "/matching"
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#define MATCH_STRING "/sys/kernel/security/" MODULE_NAME "/matching"
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#define FLAGS_FILE "/sys/kernel/security/" MODULE_NAME "/features"
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#define FLAGS_FILE "/sys/kernel/security/" MODULE_NAME "/features"
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#define MOUNTED_FS "/proc/mounts"
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#define MOUNTED_FS "/proc/mounts"
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#define PCRE "pattern=pcre"
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#define AADFA "pattern=aadfa"
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#define AADFA "pattern=aadfa"
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#define PRIVILEGED_OPS (write_cache || kernel_load)
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#define PRIVILEGED_OPS (write_cache || kernel_load)
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@ -607,9 +607,6 @@ static void get_match_string(void) {
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out:
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out:
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if (match_string) {
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if (match_string) {
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if (strstr(match_string, PCRE))
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regex_type = AARE_PCRE;
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if (strstr(match_string, AADFA))
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if (strstr(match_string, AADFA))
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regex_type = AARE_DFA;
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regex_type = AARE_DFA;
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@ -658,20 +655,6 @@ fail:
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return;
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return;
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}
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}
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/* return 1 --> PCRE should work fine
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return 0 --> no PCRE support */
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static int regex_support(void) {
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/* no match string, predates (or postdates?) the split matching
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module design */
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if (!match_string)
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return 1;
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if (regex_type != AARE_NONE)
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return 1;
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return 0;
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}
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int process_binary(int option, char *profilename)
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int process_binary(int option, char *profilename)
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{
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{
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char *buffer = NULL;
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char *buffer = NULL;
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@ -876,10 +859,6 @@ int process_profile(int option, char *profilename)
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goto out;
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goto out;
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}
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}
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if (!regex_support()) {
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die_if_any_regex();
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}
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retval = load_policy(option);
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retval = load_policy(option);
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out:
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out:
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@ -19,6 +19,7 @@
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/* assistance routines */
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/* assistance routines */
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#include <ctype.h>
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#include <stdio.h>
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#include <stdio.h>
|
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#include <stdlib.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdarg.h>
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@ -27,6 +28,7 @@
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#define _(s) gettext(s)
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#define _(s) gettext(s)
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#include <netinet/in.h>
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#include <netinet/in.h>
|
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#include <linux/socket.h>
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#include <linux/socket.h>
|
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#include <linux/limits.h>
|
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#include <arpa/inet.h>
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#include <arpa/inet.h>
|
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#include <linux/capability.h>
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#include <linux/capability.h>
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@ -632,7 +634,6 @@ struct cod_entry *new_entry(char *namespace, char *id, int mode, char *link_id)
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|
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entry->pattern_type = ePatternInvalid;
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entry->pattern_type = ePatternInvalid;
|
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entry->pat.regex = NULL;
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entry->pat.regex = NULL;
|
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entry->pat.compiled = NULL;
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|
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|
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entry->next = NULL;
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entry->next = NULL;
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|
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|
@ -658,7 +659,6 @@ struct cod_entry *copy_cod_entry(struct cod_entry *orig)
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/* XXX - need to create copies of the patterns, too */
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/* XXX - need to create copies of the patterns, too */
|
||||||
entry->pattern_type = orig->pattern_type;
|
entry->pattern_type = orig->pattern_type;
|
||||||
entry->pat.regex = NULL;
|
entry->pat.regex = NULL;
|
||||||
entry->pat.compiled = NULL;
|
|
||||||
|
|
||||||
entry->next = orig->next;
|
entry->next = orig->next;
|
||||||
|
|
||||||
|
|
@ -679,8 +679,6 @@ void free_cod_entries(struct cod_entry *list)
|
||||||
free(list->link_name);
|
free(list->link_name);
|
||||||
if (list->pat.regex)
|
if (list->pat.regex)
|
||||||
free(list->pat.regex);
|
free(list->pat.regex);
|
||||||
if (list->pat.compiled)
|
|
||||||
free(list->pat.compiled);
|
|
||||||
free(list);
|
free(list);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -21,6 +21,7 @@
|
||||||
#include <stdarg.h>
|
#include <stdarg.h>
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
#include <libintl.h>
|
#include <libintl.h>
|
||||||
|
#include <linux/limits.h>
|
||||||
#define _(s) gettext(s)
|
#define _(s) gettext(s)
|
||||||
|
|
||||||
/* #define DEBUG */
|
/* #define DEBUG */
|
||||||
|
|
@ -74,7 +75,6 @@ static void filter_slashes(char *path)
|
||||||
{
|
{
|
||||||
char *sptr, *dptr;
|
char *sptr, *dptr;
|
||||||
BOOL seen_slash = 0;
|
BOOL seen_slash = 0;
|
||||||
int len;
|
|
||||||
|
|
||||||
if (!path || (strlen(path) < 2))
|
if (!path || (strlen(path) < 2))
|
||||||
return;
|
return;
|
||||||
|
|
@ -106,19 +106,6 @@ static void filter_slashes(char *path)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
*dptr = 0;
|
*dptr = 0;
|
||||||
|
|
||||||
if (regex_type != AARE_DFA) {
|
|
||||||
/* eliminate trailing slashes for versions of apparmor that
|
|
||||||
* do not use the dfa engine.
|
|
||||||
* Versions of apparmor which use the dfa engine use the
|
|
||||||
* trailing / to differentiate between file and directory
|
|
||||||
* matches
|
|
||||||
*/
|
|
||||||
len = strlen(path);
|
|
||||||
if (len > 2 && path[len -1] == '/') {
|
|
||||||
path[len - 1] = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static pattern_t convert_aaregex_to_pcre(const char *aare, int anchor,
|
static pattern_t convert_aaregex_to_pcre(const char *aare, int anchor,
|
||||||
|
|
@ -416,82 +403,6 @@ out:
|
||||||
return ptype;
|
return ptype;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int process_pcre_entry(struct cod_entry *entry)
|
|
||||||
{
|
|
||||||
char tbuf[PATH_MAX + 3]; /* +3 for ^, $ and \0 */
|
|
||||||
int ret = TRUE;
|
|
||||||
pattern_t ptype;
|
|
||||||
int pos;
|
|
||||||
if (!entry) /* shouldn't happen */
|
|
||||||
return TRUE;
|
|
||||||
|
|
||||||
ptype = convert_aaregex_to_pcre(entry->name, 1, tbuf, PATH_MAX+3, &pos);
|
|
||||||
if (ptype == ePatternInvalid)
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
entry->pattern_type = ptype;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Only use buffer (tbuf) that we built above, if we
|
|
||||||
* identified a pattern requiring full regex support.
|
|
||||||
*/
|
|
||||||
if (ptype == ePatternRegex) {
|
|
||||||
int pattlen = strlen(tbuf);
|
|
||||||
|
|
||||||
if ((entry->pat.regex = malloc(pattlen + 1))) {
|
|
||||||
const char *errorreason;
|
|
||||||
int errpos;
|
|
||||||
|
|
||||||
strcpy(entry->pat.regex, tbuf);
|
|
||||||
|
|
||||||
if ((entry->pat.compiled =
|
|
||||||
pcre_compile(entry->pat.regex, 0,
|
|
||||||
&errorreason, &errpos,
|
|
||||||
NULL))) {
|
|
||||||
/* NULL out tables, kernel will use a
|
|
||||||
* private version
|
|
||||||
*/
|
|
||||||
entry->pat.compiled->tables = NULL;
|
|
||||||
} else {
|
|
||||||
int i;
|
|
||||||
|
|
||||||
PERROR(_("%s: Failed to compile regex '%s' [original: '%s']\n"),
|
|
||||||
progname, entry->pat.regex,
|
|
||||||
entry->name);
|
|
||||||
|
|
||||||
PERROR(_("%s: error near "),
|
|
||||||
progname);
|
|
||||||
|
|
||||||
for (i = 0; i < errpos; i++) {
|
|
||||||
fputc('.', stderr);
|
|
||||||
}
|
|
||||||
|
|
||||||
fputc('^', stderr);
|
|
||||||
fputc('\n', stderr);
|
|
||||||
|
|
||||||
PERROR(_("%s: error reason: '%s'\n"),
|
|
||||||
progname, errorreason);
|
|
||||||
|
|
||||||
free(entry->pat.regex);
|
|
||||||
entry->pat.regex = NULL;
|
|
||||||
|
|
||||||
ret = FALSE;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
PERROR(_("%s: Failed to compile regex '%s' [original: '%s'] - malloc failed\n"),
|
|
||||||
progname, entry->pat.regex, entry->name);
|
|
||||||
|
|
||||||
ret = FALSE;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
/* not a regex, scan input for any escape characters
|
|
||||||
* and remove, and reduce double \\ to a single */
|
|
||||||
filter_escapes(entry->name);
|
|
||||||
} /* ptype == ePatternRegex */
|
|
||||||
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
static const char *local_name(const char *name)
|
static const char *local_name(const char *name)
|
||||||
{
|
{
|
||||||
const char *t;
|
const char *t;
|
||||||
|
|
@ -650,18 +561,13 @@ static int process_dfa_entry(aare_ruleset_t *dfarules, struct cod_entry *entry)
|
||||||
|
|
||||||
int post_process_entries(struct codomain *cod)
|
int post_process_entries(struct codomain *cod)
|
||||||
{
|
{
|
||||||
int ret = TRUE, rc;
|
int ret = TRUE;
|
||||||
struct cod_entry *entry;
|
struct cod_entry *entry;
|
||||||
int count = 0;
|
int count = 0;
|
||||||
|
|
||||||
list_for_each(cod->entries, entry) {
|
list_for_each(cod->entries, entry) {
|
||||||
if (regex_type == AARE_DFA) {
|
if (regex_type == AARE_DFA &&
|
||||||
rc = process_dfa_entry(cod->dfarules, entry);
|
!process_dfa_entry(cod->dfarules, entry))
|
||||||
} else {
|
|
||||||
filter_slashes(entry->name);
|
|
||||||
rc = process_pcre_entry(entry);
|
|
||||||
}
|
|
||||||
if (!rc)
|
|
||||||
ret = FALSE;
|
ret = FALSE;
|
||||||
count++;
|
count++;
|
||||||
}
|
}
|
||||||
|
|
@ -777,7 +683,7 @@ static int test_filter_slashes(void)
|
||||||
|
|
||||||
test_string = strdup("///foo//////f//oo////////////////");
|
test_string = strdup("///foo//////f//oo////////////////");
|
||||||
filter_slashes(test_string);
|
filter_slashes(test_string);
|
||||||
MY_TEST(strcmp(test_string, "/foo/f/oo") == 0, "simple tests");
|
MY_TEST(strcmp(test_string, "/foo/f/oo/") == 0, "simple tests");
|
||||||
|
|
||||||
test_string = strdup("/foo/f/oo");
|
test_string = strdup("/foo/f/oo");
|
||||||
filter_slashes(test_string);
|
filter_slashes(test_string);
|
||||||
|
|
@ -809,13 +715,11 @@ static int test_filter_slashes(void)
|
||||||
|
|
||||||
test_string = strdup("/a/");
|
test_string = strdup("/a/");
|
||||||
filter_slashes(test_string);
|
filter_slashes(test_string);
|
||||||
MY_TEST(strcmp(test_string, "/a") == 0, "simple test for /a/");
|
MY_TEST(strcmp(test_string, "/a/") == 0, "simple test for /a/");
|
||||||
|
|
||||||
return rc;
|
return rc;
|
||||||
}
|
}
|
||||||
|
|
||||||
int regex_type = AARE_PCRE;
|
|
||||||
|
|
||||||
int main(void)
|
int main(void)
|
||||||
{
|
{
|
||||||
int rc = 0;
|
int rc = 0;
|
||||||
|
|
|
||||||
|
|
@ -23,6 +23,7 @@
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
#include <errno.h>
|
#include <errno.h>
|
||||||
#include <libintl.h>
|
#include <libintl.h>
|
||||||
|
#include <linux/limits.h>
|
||||||
#define _(s) gettext(s)
|
#define _(s) gettext(s)
|
||||||
|
|
||||||
#include "immunix.h"
|
#include "immunix.h"
|
||||||
|
|
|
||||||
|
|
@ -17,10 +17,14 @@
|
||||||
* along with this program; if not, contact Novell, Inc.
|
* along with this program; if not, contact Novell, Inc.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
#include <ctype.h>
|
||||||
|
#include <stdlib.h>
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include <stdarg.h>
|
#include <stdarg.h>
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
#include <libintl.h>
|
#include <libintl.h>
|
||||||
|
#include <linux/limits.h>
|
||||||
|
|
||||||
#define _(s) gettext(s)
|
#define _(s) gettext(s)
|
||||||
|
|
||||||
/* #define DEBUG */
|
/* #define DEBUG */
|
||||||
|
|
|
||||||
|
|
@ -1,7 +0,0 @@
|
||||||
all: pcre.o
|
|
||||||
|
|
||||||
pcre.o: pcre.c
|
|
||||||
$(CC) -c $(CFLAGS) $<
|
|
||||||
|
|
||||||
clean:
|
|
||||||
rm -f pcre.o
|
|
||||||
|
|
@ -1,183 +0,0 @@
|
||||||
/*************************************************
|
|
||||||
* Perl-Compatible Regular Expressions *
|
|
||||||
*************************************************/
|
|
||||||
|
|
||||||
/* This file is automatically written by the dftables auxiliary
|
|
||||||
program. If you edit it by hand, you might like to edit the Makefile to
|
|
||||||
prevent its ever being regenerated.
|
|
||||||
|
|
||||||
This file is #included in the compilation of pcre.c to build the default
|
|
||||||
character tables which are used when no tables are passed to the compile
|
|
||||||
function. */
|
|
||||||
|
|
||||||
static unsigned char pcre_default_tables[] = {
|
|
||||||
|
|
||||||
/* This table is a lower casing table. */
|
|
||||||
|
|
||||||
0, 1, 2, 3, 4, 5, 6, 7,
|
|
||||||
8, 9, 10, 11, 12, 13, 14, 15,
|
|
||||||
16, 17, 18, 19, 20, 21, 22, 23,
|
|
||||||
24, 25, 26, 27, 28, 29, 30, 31,
|
|
||||||
32, 33, 34, 35, 36, 37, 38, 39,
|
|
||||||
40, 41, 42, 43, 44, 45, 46, 47,
|
|
||||||
48, 49, 50, 51, 52, 53, 54, 55,
|
|
||||||
56, 57, 58, 59, 60, 61, 62, 63,
|
|
||||||
64, 97, 98, 99,100,101,102,103,
|
|
||||||
104,105,106,107,108,109,110,111,
|
|
||||||
112,113,114,115,116,117,118,119,
|
|
||||||
120,121,122, 91, 92, 93, 94, 95,
|
|
||||||
96, 97, 98, 99,100,101,102,103,
|
|
||||||
104,105,106,107,108,109,110,111,
|
|
||||||
112,113,114,115,116,117,118,119,
|
|
||||||
120,121,122,123,124,125,126,127,
|
|
||||||
128,129,130,131,132,133,134,135,
|
|
||||||
136,137,138,139,140,141,142,143,
|
|
||||||
144,145,146,147,148,149,150,151,
|
|
||||||
152,153,154,155,156,157,158,159,
|
|
||||||
160,161,162,163,164,165,166,167,
|
|
||||||
168,169,170,171,172,173,174,175,
|
|
||||||
176,177,178,179,180,181,182,183,
|
|
||||||
184,185,186,187,188,189,190,191,
|
|
||||||
192,193,194,195,196,197,198,199,
|
|
||||||
200,201,202,203,204,205,206,207,
|
|
||||||
208,209,210,211,212,213,214,215,
|
|
||||||
216,217,218,219,220,221,222,223,
|
|
||||||
224,225,226,227,228,229,230,231,
|
|
||||||
232,233,234,235,236,237,238,239,
|
|
||||||
240,241,242,243,244,245,246,247,
|
|
||||||
248,249,250,251,252,253,254,255,
|
|
||||||
|
|
||||||
/* This table is a case flipping table. */
|
|
||||||
|
|
||||||
0, 1, 2, 3, 4, 5, 6, 7,
|
|
||||||
8, 9, 10, 11, 12, 13, 14, 15,
|
|
||||||
16, 17, 18, 19, 20, 21, 22, 23,
|
|
||||||
24, 25, 26, 27, 28, 29, 30, 31,
|
|
||||||
32, 33, 34, 35, 36, 37, 38, 39,
|
|
||||||
40, 41, 42, 43, 44, 45, 46, 47,
|
|
||||||
48, 49, 50, 51, 52, 53, 54, 55,
|
|
||||||
56, 57, 58, 59, 60, 61, 62, 63,
|
|
||||||
64, 97, 98, 99,100,101,102,103,
|
|
||||||
104,105,106,107,108,109,110,111,
|
|
||||||
112,113,114,115,116,117,118,119,
|
|
||||||
120,121,122, 91, 92, 93, 94, 95,
|
|
||||||
96, 65, 66, 67, 68, 69, 70, 71,
|
|
||||||
72, 73, 74, 75, 76, 77, 78, 79,
|
|
||||||
80, 81, 82, 83, 84, 85, 86, 87,
|
|
||||||
88, 89, 90,123,124,125,126,127,
|
|
||||||
128,129,130,131,132,133,134,135,
|
|
||||||
136,137,138,139,140,141,142,143,
|
|
||||||
144,145,146,147,148,149,150,151,
|
|
||||||
152,153,154,155,156,157,158,159,
|
|
||||||
160,161,162,163,164,165,166,167,
|
|
||||||
168,169,170,171,172,173,174,175,
|
|
||||||
176,177,178,179,180,181,182,183,
|
|
||||||
184,185,186,187,188,189,190,191,
|
|
||||||
192,193,194,195,196,197,198,199,
|
|
||||||
200,201,202,203,204,205,206,207,
|
|
||||||
208,209,210,211,212,213,214,215,
|
|
||||||
216,217,218,219,220,221,222,223,
|
|
||||||
224,225,226,227,228,229,230,231,
|
|
||||||
232,233,234,235,236,237,238,239,
|
|
||||||
240,241,242,243,244,245,246,247,
|
|
||||||
248,249,250,251,252,253,254,255,
|
|
||||||
|
|
||||||
/* This table contains bit maps for various character classes.
|
|
||||||
Each map is 32 bytes long and the bits run from the least
|
|
||||||
significant end of each byte. The classes that have their own
|
|
||||||
maps are: space, xdigit, digit, upper, lower, word, graph
|
|
||||||
print, punct, and cntrl. Other classes are built from combinations. */
|
|
||||||
|
|
||||||
0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
|
|
||||||
0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
|
|
||||||
0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
|
|
||||||
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
|
|
||||||
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
|
|
||||||
0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
|
|
||||||
|
|
||||||
/* This table identifies various classes of character by individual bits:
|
|
||||||
0x01 white space character
|
|
||||||
0x02 letter
|
|
||||||
0x04 decimal digit
|
|
||||||
0x08 hexadecimal digit
|
|
||||||
0x10 alphanumeric or '_'
|
|
||||||
0x80 regular expression metacharacter or binary zero
|
|
||||||
*/
|
|
||||||
|
|
||||||
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 0- 7 */
|
|
||||||
0x00,0x01,0x01,0x01,0x01,0x01,0x00,0x00, /* 8- 15 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 16- 23 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 24- 31 */
|
|
||||||
0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /* - ' */
|
|
||||||
0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /* ( - / */
|
|
||||||
0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /* 0 - 7 */
|
|
||||||
0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /* 8 - ? */
|
|
||||||
0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /* @ - G */
|
|
||||||
0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* H - O */
|
|
||||||
0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* P - W */
|
|
||||||
0x12,0x12,0x12,0x80,0x00,0x00,0x80,0x10, /* X - _ */
|
|
||||||
0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /* ` - g */
|
|
||||||
0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* h - o */
|
|
||||||
0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /* p - w */
|
|
||||||
0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /* x -127 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
|
|
||||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
|
|
||||||
|
|
||||||
/* End of chartables.c */
|
|
||||||
|
|
@ -1,48 +0,0 @@
|
||||||
/* config.h. Generated automatically by configure. */
|
|
||||||
|
|
||||||
/* On Unix systems config.in is converted by configure into config.h. PCRE is
|
|
||||||
written in Standard C, but there are a few non-standard things it can cope
|
|
||||||
with, allowing it to run on SunOS4 and other "close to standard" systems.
|
|
||||||
|
|
||||||
On a non-Unix system you should just copy this file into config.h, and set up
|
|
||||||
the macros the way you need them. You should normally change the definitions of
|
|
||||||
HAVE_STRERROR and HAVE_MEMMOVE to 1. Unfortunately, because of the way autoconf
|
|
||||||
works, these cannot be made the defaults. If your system has bcopy() and not
|
|
||||||
memmove(), change the definition of HAVE_BCOPY instead of HAVE_MEMMOVE. If your
|
|
||||||
system has neither bcopy() nor memmove(), leave them both as 0; an emulation
|
|
||||||
function will be used. */
|
|
||||||
|
|
||||||
/* Define to empty if the keyword does not work. */
|
|
||||||
|
|
||||||
/* #undef const */
|
|
||||||
|
|
||||||
/* Define to `unsigned' if <stddef.h> doesn't define size_t. */
|
|
||||||
|
|
||||||
/* #undef size_t */
|
|
||||||
|
|
||||||
/* The following two definitions are mainly for the benefit of SunOS4, which
|
|
||||||
doesn't have the strerror() or memmove() functions that should be present in
|
|
||||||
all Standard C libraries. The macros HAVE_STRERROR and HAVE_MEMMOVE should
|
|
||||||
normally be defined with the value 1 for other systems, but unfortunately we
|
|
||||||
can't make this the default because "configure" files generated by autoconf
|
|
||||||
will only change 0 to 1; they won't change 1 to 0 if the functions are not
|
|
||||||
found. */
|
|
||||||
|
|
||||||
#define HAVE_STRERROR 1
|
|
||||||
#define HAVE_MEMMOVE 1
|
|
||||||
|
|
||||||
/* There are some non-Unix systems that don't even have bcopy(). If this macro
|
|
||||||
is false, an emulation is used. If HAVE_MEMMOVE is set to 1, the value of
|
|
||||||
HAVE_BCOPY is not relevant. */
|
|
||||||
|
|
||||||
#define HAVE_BCOPY 1
|
|
||||||
|
|
||||||
/* The value of NEWLINE determines the newline character. The default is to
|
|
||||||
leave it up to the compiler, but some sites want to force a particular value.
|
|
||||||
On Unix systems, "configure" can be used to override this default. */
|
|
||||||
|
|
||||||
#ifndef NEWLINE
|
|
||||||
#define NEWLINE '\n'
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* End */
|
|
||||||
|
|
@ -1,412 +0,0 @@
|
||||||
/*************************************************
|
|
||||||
* Perl-Compatible Regular Expressions *
|
|
||||||
*************************************************/
|
|
||||||
|
|
||||||
|
|
||||||
/* This is a library of functions to support regular expressions whose syntax
|
|
||||||
and semantics are as close as possible to those of the Perl 5 language. See
|
|
||||||
the file Tech.Notes for some information on the internals.
|
|
||||||
|
|
||||||
Written by: Philip Hazel <ph10@cam.ac.uk>
|
|
||||||
|
|
||||||
Copyright (c) 1997-2001 University of Cambridge
|
|
||||||
|
|
||||||
-----------------------------------------------------------------------------
|
|
||||||
Permission is granted to anyone to use this software for any purpose on any
|
|
||||||
computer system, and to redistribute it freely, subject to the following
|
|
||||||
restrictions:
|
|
||||||
|
|
||||||
1. This software is distributed in the hope that it will be useful,
|
|
||||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
||||||
|
|
||||||
2. The origin of this software must not be misrepresented, either by
|
|
||||||
explicit claim or by omission.
|
|
||||||
|
|
||||||
3. Altered versions must be plainly marked as such, and must not be
|
|
||||||
misrepresented as being the original software.
|
|
||||||
|
|
||||||
4. If PCRE is embedded in any software that is released under the GNU
|
|
||||||
General Purpose Licence (GPL), then the terms of that licence shall
|
|
||||||
supersede any condition above with which it is incompatible.
|
|
||||||
-----------------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
|
|
||||||
/* This header contains definitions that are shared between the different
|
|
||||||
modules, but which are not relevant to the outside. */
|
|
||||||
|
|
||||||
/* Get the definitions provided by running "configure" */
|
|
||||||
|
|
||||||
#include "config.h"
|
|
||||||
|
|
||||||
/* To cope with SunOS4 and other systems that lack memmove() but have bcopy(),
|
|
||||||
define a macro for memmove() if HAVE_MEMMOVE is false, provided that HAVE_BCOPY
|
|
||||||
is set. Otherwise, include an emulating function for those systems that have
|
|
||||||
neither (there some non-Unix environments where this is the case). This assumes
|
|
||||||
that all calls to memmove are moving strings upwards in store, which is the
|
|
||||||
case in PCRE. */
|
|
||||||
|
|
||||||
#if ! HAVE_MEMMOVE
|
|
||||||
#undef memmove /* some systems may have a macro */
|
|
||||||
#if HAVE_BCOPY
|
|
||||||
#define memmove(a, b, c) bcopy(b, a, c)
|
|
||||||
#else
|
|
||||||
void *
|
|
||||||
pcre_memmove(unsigned char *dest, const unsigned char *src, size_t n)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
dest += n;
|
|
||||||
src += n;
|
|
||||||
for (i = 0; i < n; ++i) *(--dest) = *(--src);
|
|
||||||
}
|
|
||||||
#define memmove(a, b, c) pcre_memmove(a, b, c)
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Standard C headers plus the external interface definition */
|
|
||||||
|
|
||||||
#include <ctype.h>
|
|
||||||
#include <limits.h>
|
|
||||||
#include <stddef.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include "pcre.h"
|
|
||||||
|
|
||||||
/* In case there is no definition of offsetof() provided - though any proper
|
|
||||||
Standard C system should have one. */
|
|
||||||
|
|
||||||
#ifndef offsetof
|
|
||||||
#define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* These are the public options that can change during matching. */
|
|
||||||
|
|
||||||
#define PCRE_IMS (PCRE_CASELESS|PCRE_MULTILINE|PCRE_DOTALL)
|
|
||||||
|
|
||||||
/* Private options flags start at the most significant end of the four bytes,
|
|
||||||
but skip the top bit so we can use ints for convenience without getting tangled
|
|
||||||
with negative values. The public options defined in pcre.h start at the least
|
|
||||||
significant end. Make sure they don't overlap, though now that we have expanded
|
|
||||||
to four bytes there is plenty of space. */
|
|
||||||
|
|
||||||
#define PCRE_FIRSTSET 0x40000000 /* first_char is set */
|
|
||||||
#define PCRE_REQCHSET 0x20000000 /* req_char is set */
|
|
||||||
#define PCRE_STARTLINE 0x10000000 /* start after \n for multiline */
|
|
||||||
#define PCRE_INGROUP 0x08000000 /* compiling inside a group */
|
|
||||||
#define PCRE_ICHANGED 0x04000000 /* i option changes within regex */
|
|
||||||
|
|
||||||
/* Options for the "extra" block produced by pcre_study(). */
|
|
||||||
|
|
||||||
#define PCRE_STUDY_MAPPED 0x01 /* a map of starting chars exists */
|
|
||||||
|
|
||||||
/* Masks for identifying the public options which are permitted at compile
|
|
||||||
time, run time or study time, respectively. */
|
|
||||||
|
|
||||||
#define PUBLIC_OPTIONS \
|
|
||||||
(PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
|
|
||||||
PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8)
|
|
||||||
|
|
||||||
#define PUBLIC_EXEC_OPTIONS \
|
|
||||||
(PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY)
|
|
||||||
|
|
||||||
#define PUBLIC_STUDY_OPTIONS 0 /* None defined */
|
|
||||||
|
|
||||||
/* Magic number to provide a small check against being handed junk. */
|
|
||||||
|
|
||||||
#define MAGIC_NUMBER 0x50435245UL /* 'PCRE' */
|
|
||||||
|
|
||||||
/* Miscellaneous definitions */
|
|
||||||
|
|
||||||
typedef int BOOL;
|
|
||||||
|
|
||||||
#define FALSE 0
|
|
||||||
#define TRUE 1
|
|
||||||
|
|
||||||
/* Escape items that are just an encoding of a particular data value. Note that
|
|
||||||
ESC_N is defined as yet another macro, which is set in config.h to either \n
|
|
||||||
(the default) or \r (which some people want). */
|
|
||||||
|
|
||||||
#ifndef ESC_E
|
|
||||||
#define ESC_E 27
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef ESC_F
|
|
||||||
#define ESC_F '\f'
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef ESC_N
|
|
||||||
#define ESC_N NEWLINE
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef ESC_R
|
|
||||||
#define ESC_R '\r'
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifndef ESC_T
|
|
||||||
#define ESC_T '\t'
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* These are escaped items that aren't just an encoding of a particular data
|
|
||||||
value such as \n. They must have non-zero values, as check_escape() returns
|
|
||||||
their negation. Also, they must appear in the same order as in the opcode
|
|
||||||
definitions below, up to ESC_z. The final one must be ESC_REF as subsequent
|
|
||||||
values are used for \1, \2, \3, etc. There is a test in the code for an escape
|
|
||||||
greater than ESC_b and less than ESC_Z to detect the types that may be
|
|
||||||
repeated. If any new escapes are put in-between that don't consume a character,
|
|
||||||
that code will have to change. */
|
|
||||||
|
|
||||||
enum { ESC_A = 1, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s, ESC_W, ESC_w,
|
|
||||||
ESC_Z, ESC_z, ESC_REF };
|
|
||||||
|
|
||||||
/* Opcode table: OP_BRA must be last, as all values >= it are used for brackets
|
|
||||||
that extract substrings. Starting from 1 (i.e. after OP_END), the values up to
|
|
||||||
OP_EOD must correspond in order to the list of escapes immediately above. */
|
|
||||||
|
|
||||||
enum {
|
|
||||||
OP_END, /* End of pattern */
|
|
||||||
|
|
||||||
/* Values corresponding to backslashed metacharacters */
|
|
||||||
|
|
||||||
OP_SOD, /* Start of data: \A */
|
|
||||||
OP_NOT_WORD_BOUNDARY, /* \B */
|
|
||||||
OP_WORD_BOUNDARY, /* \b */
|
|
||||||
OP_NOT_DIGIT, /* \D */
|
|
||||||
OP_DIGIT, /* \d */
|
|
||||||
OP_NOT_WHITESPACE, /* \S */
|
|
||||||
OP_WHITESPACE, /* \s */
|
|
||||||
OP_NOT_WORDCHAR, /* \W */
|
|
||||||
OP_WORDCHAR, /* \w */
|
|
||||||
OP_EODN, /* End of data or \n at end of data: \Z. */
|
|
||||||
OP_EOD, /* End of data: \z */
|
|
||||||
|
|
||||||
OP_OPT, /* Set runtime options */
|
|
||||||
OP_CIRC, /* Start of line - varies with multiline switch */
|
|
||||||
OP_DOLL, /* End of line - varies with multiline switch */
|
|
||||||
OP_ANY, /* Match any character */
|
|
||||||
OP_CHARS, /* Match string of characters */
|
|
||||||
OP_NOT, /* Match anything but the following char */
|
|
||||||
|
|
||||||
OP_STAR, /* The maximizing and minimizing versions of */
|
|
||||||
OP_MINSTAR, /* all these opcodes must come in pairs, with */
|
|
||||||
OP_PLUS, /* the minimizing one second. */
|
|
||||||
OP_MINPLUS, /* This first set applies to single characters */
|
|
||||||
OP_QUERY,
|
|
||||||
OP_MINQUERY,
|
|
||||||
OP_UPTO, /* From 0 to n matches */
|
|
||||||
OP_MINUPTO,
|
|
||||||
OP_EXACT, /* Exactly n matches */
|
|
||||||
|
|
||||||
OP_NOTSTAR, /* The maximizing and minimizing versions of */
|
|
||||||
OP_NOTMINSTAR, /* all these opcodes must come in pairs, with */
|
|
||||||
OP_NOTPLUS, /* the minimizing one second. */
|
|
||||||
OP_NOTMINPLUS, /* This first set applies to "not" single characters */
|
|
||||||
OP_NOTQUERY,
|
|
||||||
OP_NOTMINQUERY,
|
|
||||||
OP_NOTUPTO, /* From 0 to n matches */
|
|
||||||
OP_NOTMINUPTO,
|
|
||||||
OP_NOTEXACT, /* Exactly n matches */
|
|
||||||
|
|
||||||
OP_TYPESTAR, /* The maximizing and minimizing versions of */
|
|
||||||
OP_TYPEMINSTAR, /* all these opcodes must come in pairs, with */
|
|
||||||
OP_TYPEPLUS, /* the minimizing one second. These codes must */
|
|
||||||
OP_TYPEMINPLUS, /* be in exactly the same order as those above. */
|
|
||||||
OP_TYPEQUERY, /* This set applies to character types such as \d */
|
|
||||||
OP_TYPEMINQUERY,
|
|
||||||
OP_TYPEUPTO, /* From 0 to n matches */
|
|
||||||
OP_TYPEMINUPTO,
|
|
||||||
OP_TYPEEXACT, /* Exactly n matches */
|
|
||||||
|
|
||||||
OP_CRSTAR, /* The maximizing and minimizing versions of */
|
|
||||||
OP_CRMINSTAR, /* all these opcodes must come in pairs, with */
|
|
||||||
OP_CRPLUS, /* the minimizing one second. These codes must */
|
|
||||||
OP_CRMINPLUS, /* be in exactly the same order as those above. */
|
|
||||||
OP_CRQUERY, /* These are for character classes and back refs */
|
|
||||||
OP_CRMINQUERY,
|
|
||||||
OP_CRRANGE, /* These are different to the three seta above. */
|
|
||||||
OP_CRMINRANGE,
|
|
||||||
|
|
||||||
OP_CLASS, /* Match a character class */
|
|
||||||
OP_REF, /* Match a back reference */
|
|
||||||
OP_RECURSE, /* Match this pattern recursively */
|
|
||||||
|
|
||||||
OP_ALT, /* Start of alternation */
|
|
||||||
OP_KET, /* End of group that doesn't have an unbounded repeat */
|
|
||||||
OP_KETRMAX, /* These two must remain together and in this */
|
|
||||||
OP_KETRMIN, /* order. They are for groups the repeat for ever. */
|
|
||||||
|
|
||||||
/* The assertions must come before ONCE and COND */
|
|
||||||
|
|
||||||
OP_ASSERT, /* Positive lookahead */
|
|
||||||
OP_ASSERT_NOT, /* Negative lookahead */
|
|
||||||
OP_ASSERTBACK, /* Positive lookbehind */
|
|
||||||
OP_ASSERTBACK_NOT, /* Negative lookbehind */
|
|
||||||
OP_REVERSE, /* Move pointer back - used in lookbehind assertions */
|
|
||||||
|
|
||||||
/* ONCE and COND must come after the assertions, with ONCE first, as there's
|
|
||||||
a test for >= ONCE for a subpattern that isn't an assertion. */
|
|
||||||
|
|
||||||
OP_ONCE, /* Once matched, don't back up into the subpattern */
|
|
||||||
OP_COND, /* Conditional group */
|
|
||||||
OP_CREF, /* Used to hold an extraction string number (cond ref) */
|
|
||||||
|
|
||||||
OP_BRAZERO, /* These two must remain together and in this */
|
|
||||||
OP_BRAMINZERO, /* order. */
|
|
||||||
|
|
||||||
OP_BRANUMBER, /* Used for extracting brackets whose number is greater
|
|
||||||
than can fit into an opcode. */
|
|
||||||
|
|
||||||
OP_BRA /* This and greater values are used for brackets that
|
|
||||||
extract substrings up to a basic limit. After that,
|
|
||||||
use is made of OP_BRANUMBER. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/* The highest extraction number before we have to start using additional
|
|
||||||
bytes. (Originally PCRE didn't have support for extraction counts highter than
|
|
||||||
this number.) The value is limited by the number of opcodes left after OP_BRA,
|
|
||||||
i.e. 255 - OP_BRA. We actually set it a bit lower to leave room for additional
|
|
||||||
opcodes. */
|
|
||||||
|
|
||||||
#define EXTRACT_BASIC_MAX 150
|
|
||||||
|
|
||||||
/* The texts of compile-time error messages are defined as macros here so that
|
|
||||||
they can be accessed by the POSIX wrapper and converted into error codes. Yes,
|
|
||||||
I could have used error codes in the first place, but didn't feel like changing
|
|
||||||
just to accommodate the POSIX wrapper. */
|
|
||||||
|
|
||||||
#define ERR1 "\\ at end of pattern"
|
|
||||||
#define ERR2 "\\c at end of pattern"
|
|
||||||
#define ERR3 "unrecognized character follows \\"
|
|
||||||
#define ERR4 "numbers out of order in {} quantifier"
|
|
||||||
#define ERR5 "number too big in {} quantifier"
|
|
||||||
#define ERR6 "missing terminating ] for character class"
|
|
||||||
#define ERR7 "invalid escape sequence in character class"
|
|
||||||
#define ERR8 "range out of order in character class"
|
|
||||||
#define ERR9 "nothing to repeat"
|
|
||||||
#define ERR10 "operand of unlimited repeat could match the empty string"
|
|
||||||
#define ERR11 "internal error: unexpected repeat"
|
|
||||||
#define ERR12 "unrecognized character after (?"
|
|
||||||
#define ERR13 "unused error"
|
|
||||||
#define ERR14 "missing )"
|
|
||||||
#define ERR15 "back reference to non-existent subpattern"
|
|
||||||
#define ERR16 "erroffset passed as NULL"
|
|
||||||
#define ERR17 "unknown option bit(s) set"
|
|
||||||
#define ERR18 "missing ) after comment"
|
|
||||||
#define ERR19 "parentheses nested too deeply"
|
|
||||||
#define ERR20 "regular expression too large"
|
|
||||||
#define ERR21 "failed to get memory"
|
|
||||||
#define ERR22 "unmatched parentheses"
|
|
||||||
#define ERR23 "internal error: code overflow"
|
|
||||||
#define ERR24 "unrecognized character after (?<"
|
|
||||||
#define ERR25 "lookbehind assertion is not fixed length"
|
|
||||||
#define ERR26 "malformed number after (?("
|
|
||||||
#define ERR27 "conditional group contains more than two branches"
|
|
||||||
#define ERR28 "assertion expected after (?("
|
|
||||||
#define ERR29 "(?p must be followed by )"
|
|
||||||
#define ERR30 "unknown POSIX class name"
|
|
||||||
#define ERR31 "POSIX collating elements are not supported"
|
|
||||||
#define ERR32 "this version of PCRE is not compiled with PCRE_UTF8 support"
|
|
||||||
#define ERR33 "characters with values > 255 are not yet supported in classes"
|
|
||||||
#define ERR34 "character value in \\x{...} sequence is too large"
|
|
||||||
#define ERR35 "invalid condition (?(0)"
|
|
||||||
|
|
||||||
/* All character handling must be done as unsigned characters. Otherwise there
|
|
||||||
are problems with top-bit-set characters and functions such as isspace().
|
|
||||||
However, we leave the interface to the outside world as char *, because that
|
|
||||||
should make things easier for callers. We define a short type for unsigned char
|
|
||||||
to save lots of typing. I tried "uchar", but it causes problems on Digital
|
|
||||||
Unix, where it is defined in sys/types, so use "uschar" instead. */
|
|
||||||
|
|
||||||
typedef unsigned char uschar;
|
|
||||||
|
|
||||||
/* The real format of the start of the pcre block; the actual code vector
|
|
||||||
runs on as long as necessary after the end. */
|
|
||||||
|
|
||||||
typedef struct real_pcre {
|
|
||||||
unsigned long int magic_number;
|
|
||||||
size_t size;
|
|
||||||
const unsigned char *tables;
|
|
||||||
unsigned long int options;
|
|
||||||
unsigned short int top_bracket;
|
|
||||||
unsigned short int top_backref;
|
|
||||||
uschar first_char;
|
|
||||||
uschar req_char;
|
|
||||||
uschar code[1];
|
|
||||||
} real_pcre;
|
|
||||||
|
|
||||||
/* The real format of the extra block returned by pcre_study(). */
|
|
||||||
|
|
||||||
typedef struct real_pcre_extra {
|
|
||||||
uschar options;
|
|
||||||
uschar start_bits[32];
|
|
||||||
} real_pcre_extra;
|
|
||||||
|
|
||||||
|
|
||||||
/* Structure for passing "static" information around between the functions
|
|
||||||
doing the compiling, so that they are thread-safe. */
|
|
||||||
|
|
||||||
typedef struct compile_data {
|
|
||||||
const uschar *lcc; /* Points to lower casing table */
|
|
||||||
const uschar *fcc; /* Points to case-flipping table */
|
|
||||||
const uschar *cbits; /* Points to character type table */
|
|
||||||
const uschar *ctypes; /* Points to table of type maps */
|
|
||||||
} compile_data;
|
|
||||||
|
|
||||||
/* Structure for passing "static" information around between the functions
|
|
||||||
doing the matching, so that they are thread-safe. */
|
|
||||||
|
|
||||||
typedef struct match_data {
|
|
||||||
int errorcode; /* As it says */
|
|
||||||
int *offset_vector; /* Offset vector */
|
|
||||||
int offset_end; /* One past the end */
|
|
||||||
int offset_max; /* The maximum usable for return data */
|
|
||||||
const uschar *lcc; /* Points to lower casing table */
|
|
||||||
const uschar *ctypes; /* Points to table of type maps */
|
|
||||||
BOOL offset_overflow; /* Set if too many extractions */
|
|
||||||
BOOL notbol; /* NOTBOL flag */
|
|
||||||
BOOL noteol; /* NOTEOL flag */
|
|
||||||
BOOL utf8; /* UTF8 flag */
|
|
||||||
BOOL endonly; /* Dollar not before final \n */
|
|
||||||
BOOL notempty; /* Empty string match not wanted */
|
|
||||||
const uschar *start_pattern; /* For use when recursing */
|
|
||||||
const uschar *start_subject; /* Start of the subject string */
|
|
||||||
const uschar *end_subject; /* End of the subject string */
|
|
||||||
const uschar *start_match; /* Start of this match attempt */
|
|
||||||
const uschar *end_match_ptr; /* Subject position at end match */
|
|
||||||
int end_offset_top; /* Highwater mark at end of match */
|
|
||||||
} match_data;
|
|
||||||
|
|
||||||
/* Bit definitions for entries in the pcre_ctypes table. */
|
|
||||||
|
|
||||||
#define ctype_space 0x01
|
|
||||||
#define ctype_letter 0x02
|
|
||||||
#define ctype_digit 0x04
|
|
||||||
#define ctype_xdigit 0x08
|
|
||||||
#define ctype_word 0x10 /* alphameric or '_' */
|
|
||||||
#define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */
|
|
||||||
|
|
||||||
/* Offsets for the bitmap tables in pcre_cbits. Each table contains a set
|
|
||||||
of bits for a class map. Some classes are built by combining these tables. */
|
|
||||||
|
|
||||||
#define cbit_space 0 /* [:space:] or \s */
|
|
||||||
#define cbit_xdigit 32 /* [:xdigit:] */
|
|
||||||
#define cbit_digit 64 /* [:digit:] or \d */
|
|
||||||
#define cbit_upper 96 /* [:upper:] */
|
|
||||||
#define cbit_lower 128 /* [:lower:] */
|
|
||||||
#define cbit_word 160 /* [:word:] or \w */
|
|
||||||
#define cbit_graph 192 /* [:graph:] */
|
|
||||||
#define cbit_print 224 /* [:print:] */
|
|
||||||
#define cbit_punct 256 /* [:punct:] */
|
|
||||||
#define cbit_cntrl 288 /* [:cntrl:] */
|
|
||||||
#define cbit_length 320 /* Length of the cbits table */
|
|
||||||
|
|
||||||
/* Offsets of the various tables from the base tables pointer, and
|
|
||||||
total length. */
|
|
||||||
|
|
||||||
#define lcc_offset 0
|
|
||||||
#define fcc_offset 256
|
|
||||||
#define cbits_offset 512
|
|
||||||
#define ctypes_offset (cbits_offset + cbit_length)
|
|
||||||
#define tables_length (ctypes_offset + 256)
|
|
||||||
|
|
||||||
/* End of internal.h */
|
|
||||||
5187
parser/pcre/pcre.c
5187
parser/pcre/pcre.c
File diff suppressed because it is too large
Load diff
|
|
@ -1,113 +0,0 @@
|
||||||
/*************************************************
|
|
||||||
* Perl-Compatible Regular Expressions *
|
|
||||||
*************************************************/
|
|
||||||
|
|
||||||
/* Copyright (c) 1997-2001 University of Cambridge */
|
|
||||||
|
|
||||||
#ifndef _PCRE_H
|
|
||||||
#define _PCRE_H
|
|
||||||
|
|
||||||
/* The file pcre.h is build by "configure". Do not edit it; instead
|
|
||||||
make changes to pcre.in. */
|
|
||||||
|
|
||||||
#define PCRE_MAJOR 3
|
|
||||||
#define PCRE_MINOR 9
|
|
||||||
#define PCRE_DATE 02-Jan-2002
|
|
||||||
|
|
||||||
/* Win32 uses DLL by default */
|
|
||||||
|
|
||||||
#ifdef _WIN32
|
|
||||||
# ifdef STATIC
|
|
||||||
# define PCRE_DL_IMPORT
|
|
||||||
# else
|
|
||||||
# define PCRE_DL_IMPORT __declspec(dllimport)
|
|
||||||
# endif
|
|
||||||
#else
|
|
||||||
# define PCRE_DL_IMPORT
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Have to include stdlib.h in order to ensure that size_t is defined;
|
|
||||||
it is needed here for malloc. */
|
|
||||||
|
|
||||||
#include <stdlib.h>
|
|
||||||
|
|
||||||
/* Allow for C++ users */
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
extern "C" {
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Options */
|
|
||||||
|
|
||||||
#define PCRE_CASELESS 0x0001
|
|
||||||
#define PCRE_MULTILINE 0x0002
|
|
||||||
#define PCRE_DOTALL 0x0004
|
|
||||||
#define PCRE_EXTENDED 0x0008
|
|
||||||
#define PCRE_ANCHORED 0x0010
|
|
||||||
#define PCRE_DOLLAR_ENDONLY 0x0020
|
|
||||||
#define PCRE_EXTRA 0x0040
|
|
||||||
#define PCRE_NOTBOL 0x0080
|
|
||||||
#define PCRE_NOTEOL 0x0100
|
|
||||||
#define PCRE_UNGREEDY 0x0200
|
|
||||||
#define PCRE_NOTEMPTY 0x0400
|
|
||||||
#define PCRE_UTF8 0x0800
|
|
||||||
|
|
||||||
/* Exec-time and get-time error codes */
|
|
||||||
|
|
||||||
#define PCRE_ERROR_NOMATCH (-1)
|
|
||||||
#define PCRE_ERROR_NULL (-2)
|
|
||||||
#define PCRE_ERROR_BADOPTION (-3)
|
|
||||||
#define PCRE_ERROR_BADMAGIC (-4)
|
|
||||||
#define PCRE_ERROR_UNKNOWN_NODE (-5)
|
|
||||||
#define PCRE_ERROR_NOMEMORY (-6)
|
|
||||||
#define PCRE_ERROR_NOSUBSTRING (-7)
|
|
||||||
|
|
||||||
/* Request types for pcre_fullinfo() */
|
|
||||||
|
|
||||||
#define PCRE_INFO_OPTIONS 0
|
|
||||||
#define PCRE_INFO_SIZE 1
|
|
||||||
#define PCRE_INFO_CAPTURECOUNT 2
|
|
||||||
#define PCRE_INFO_BACKREFMAX 3
|
|
||||||
#define PCRE_INFO_FIRSTCHAR 4
|
|
||||||
#define PCRE_INFO_FIRSTTABLE 5
|
|
||||||
#define PCRE_INFO_LASTLITERAL 6
|
|
||||||
|
|
||||||
/* Types */
|
|
||||||
|
|
||||||
struct real_pcre; /* declaration; the definition is private */
|
|
||||||
struct real_pcre_extra; /* declaration; the definition is private */
|
|
||||||
|
|
||||||
typedef struct real_pcre pcre;
|
|
||||||
typedef struct real_pcre_extra pcre_extra;
|
|
||||||
|
|
||||||
/* Store get and free functions. These can be set to alternative malloc/free
|
|
||||||
functions if required. Some magic is required for Win32 DLL; it is null on
|
|
||||||
other OS. */
|
|
||||||
|
|
||||||
PCRE_DL_IMPORT extern void *(*pcre_malloc)(size_t);
|
|
||||||
PCRE_DL_IMPORT extern void (*pcre_free)(void *);
|
|
||||||
|
|
||||||
#undef PCRE_DL_IMPORT
|
|
||||||
|
|
||||||
/* Functions */
|
|
||||||
|
|
||||||
extern pcre *pcre_compile(const char *, int, const char **, int *,
|
|
||||||
const unsigned char *);
|
|
||||||
extern int pcre_copy_substring(const char *, int *, int, int, char *, int);
|
|
||||||
extern int pcre_exec(const pcre *, const pcre_extra *, const char *,
|
|
||||||
int, int, int, int *, int);
|
|
||||||
extern void pcre_free_substring(const char *);
|
|
||||||
extern void pcre_free_substring_list(const char **);
|
|
||||||
extern int pcre_get_substring(const char *, int *, int, int, const char **);
|
|
||||||
extern int pcre_get_substring_list(const char *, int *, int, const char ***);
|
|
||||||
extern int pcre_info(const pcre *, int *, int *);
|
|
||||||
extern int pcre_fullinfo(const pcre *, const pcre_extra *, int, void *);
|
|
||||||
extern const unsigned char *pcre_maketables(void);
|
|
||||||
extern pcre_extra *pcre_study(const pcre *, int, const char **);
|
|
||||||
extern const char *pcre_version(void);
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
} /* extern "C" */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#endif /* End of pcre.h */
|
|
||||||
Loading…
Add table
Reference in a new issue