Verified Commit 0d8311c5 authored by Tomáš Stefan's avatar Tomáš Stefan
Browse files

Go through all references to the signature dictionary

parent 6bbfd2d7

include/acroform.h

0 → 100644
+11 −0
Original line number Diff line number Diff line 
#ifndef PDF_SIGIL_ACROFORM_H

#define PDF_SIGIL_ACROFORM_H



#include "types.h"





sigil_err_t process_acroform(sigil_t *sgl);



int sigil_auxiliary_self_test(int verbosity);



#endif //PDF_SIGIL_ACROFORM_H

include/auxiliary.h

+6 −0
Original line number Diff line number Diff line
@@ -20,6 +20,9 @@ sigil_err_t pdf_peek_char(sigil_t *sgl, char *result); 


sigil_err_t pdf_move_pos_rel(sigil_t *sgl, ssize_t shift_bytes);

sigil_err_t pdf_move_pos_abs(sigil_t *sgl, size_t position);

sigil_err_t pdf_goto_obj(sigil_t *sgl, reference_t *ref);



sigil_err_t get_curr_position(sigil_t *sgl, size_t *result);



sigil_err_t skip_leading_whitespaces(sigil_t *sgl);

sigil_err_t skip_array(sigil_t *sgl);
@@ -30,6 +33,9 @@ sigil_err_t parse_number(sigil_t *sgl, size_t *number); 
sigil_err_t parse_word(sigil_t *sgl, const char *word);

sigil_err_t parse_indirect_reference(sigil_t *sgl, reference_t *ref);

sigil_err_t parse_dict_key(sigil_t *sgl, dict_key_t *dict_key);

sigil_err_t parse_ref_array(sigil_t *sgl, ref_array_t *ref_array);



sigil_err_t reference_to_offset(sigil_t *sgl, const reference_t *ref, size_t *result);



const char *sigil_err_string(sigil_err_t err);

include/catalog_dict.h

0 → 100644
+11 −0
Original line number Diff line number Diff line 
#ifndef PDF_SIGIL_CATALOG_DICT_H

#define PDF_SIGIL_CATALOG_DICT_H



#include "types.h"





sigil_err_t process_catalog_dictionary(sigil_t *sgl);



int sigil_header_self_test(int verbosity);



#endif /* PDF_SIGIL_CATALOG_DICT_H */

include/config.h

+3 −0
Original line number Diff line number Diff line
@@ -11,6 +11,9 @@ 
// capacity to choose for the first xref allocation

#define XREF_PREALLOCATION          10



// capacity to choose for the first allocation in array of fields

#define REF_ARRAY_PREALLOCATION        10



// threshold in bytes for loading whole file into buffer

#define THRESHOLD_FILE_BUFFERING    10485760

include/constants.h

+28 −15
Original line number Diff line number Diff line
@@ -21,6 +21,18 @@ 
#define DICT_KEY_Size         1

#define DICT_KEY_Prev         2

#define DICT_KEY_Root         3

#define DICT_KEY_AcroForm     4

#define DICT_KEY_Fields       5

#define DICT_KEY_SigFlags     6

#define DICT_KEY_FT           7

#define DICT_KEY_V            8

#define DICT_KEY_SubFilter    9

#define DICT_KEY_Cert         10

#define DICT_KEY_Contents     11

#define DICT_KEY_ByteRange    12



#define SUBFILTER_UNKNOWN               0

#define SUBFILTER_adbe_x509_rsa_sha1    1



#define DEALLOCATE_FILE       0x01

#define DEALLOCATE_BUFFER     0x02
@@ -33,5 +45,6 @@ 
#define ERR_NOT_IMPLEMENTED   5

#define ERR_NO_DATA           6

#define ERR_END_OF_DICT       7

#define ERR_NO_SIGNATURE      8



#endif /* PDF_SIGIL_CONSTANTS_H */