/* * Copyright (c) 2005-2008 Nominet UK (www.nic.uk) * All rights reserved. * Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted * their moral rights under the UK Copyright Design and Patents Act 1988 to * be recorded as the authors of this copyright work. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. * * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * * See the License for the specific language governing permissions and * limitations under the License. */ /** \file * * Creates printable text strings from packet contents * */ #include #include #include #include #include #include /* * Arrays of value->text maps */ static ops_map_t packet_tag_map[] = { { OPS_PTAG_CT_RESERVED, "Reserved" }, { OPS_PTAG_CT_PK_SESSION_KEY, "Public-Key Encrypted Session Key" }, { OPS_PTAG_CT_SIGNATURE, "Signature" }, { OPS_PTAG_CT_SK_SESSION_KEY, "Symmetric-Key Encrypted Session Key" }, { OPS_PTAG_CT_ONE_PASS_SIGNATURE, "One-Pass Signature" }, { OPS_PTAG_CT_SECRET_KEY, "Secret Key" }, { OPS_PTAG_CT_PUBLIC_KEY, "Public Key" }, { OPS_PTAG_CT_SECRET_SUBKEY, "Secret Subkey" }, { OPS_PTAG_CT_COMPRESSED, "Compressed Data" }, { OPS_PTAG_CT_SE_DATA, "Symmetrically Encrypted Data" }, { OPS_PTAG_CT_MARKER, "Marker" }, { OPS_PTAG_CT_LITERAL_DATA, "Literal Data" }, { OPS_PTAG_CT_TRUST, "Trust" }, { OPS_PTAG_CT_USER_ID, "User ID" }, { OPS_PTAG_CT_PUBLIC_SUBKEY, "Public Subkey" }, { OPS_PTAG_CT_RESERVED2, "reserved" }, { OPS_PTAG_CT_RESERVED3, "reserved" }, { OPS_PTAG_CT_USER_ATTRIBUTE, "User Attribute" }, { OPS_PTAG_CT_SE_IP_DATA, "Sym. Encrypted and Integrity Protected Data" }, { OPS_PTAG_CT_MDC, "Modification Detection Code" }, { OPS_PARSER_PTAG, "OPS_PARSER_PTAG" }, { OPS_PTAG_RAW_SS, "OPS_PTAG_RAW_SS" }, { OPS_PTAG_SS_ALL, "OPS_PTAG_SS_ALL" }, { OPS_PARSER_PACKET_END, "OPS_PARSER_PACKET_END" }, { OPS_PTAG_SIGNATURE_SUBPACKET_BASE, "OPS_PTAG_SIGNATURE_SUBPACKET_BASE" }, { OPS_PTAG_SS_CREATION_TIME, "SS: Signature Creation Time" }, { OPS_PTAG_SS_EXPIRATION_TIME, "SS: Signature Expiration Time" }, { OPS_PTAG_SS_EXPORTABLE_CERTIFICATION, "SS: Exportable Certification" }, { OPS_PTAG_SS_TRUST, "SS: Trust Signature" }, { OPS_PTAG_SS_REGEXP, "SS: Regular Expression" }, { OPS_PTAG_SS_REVOCABLE, "SS: Revocable" }, { OPS_PTAG_SS_KEY_EXPIRATION_TIME, "SS: Key Expiration Time" }, { OPS_PTAG_SS_RESERVED, "SS: Reserved" }, { OPS_PTAG_SS_PREFERRED_SKA, "SS: Preferred Secret Key Algorithm" }, { OPS_PTAG_SS_REVOCATION_KEY, "SS: Revocation Key" }, { OPS_PTAG_SS_ISSUER_KEY_ID, "SS: Issuer Key Id" }, { OPS_PTAG_SS_NOTATION_DATA, "SS: Notation Data" }, { OPS_PTAG_SS_PREFERRED_HASH, "SS: Preferred Hash Algorithm" }, { OPS_PTAG_SS_PREFERRED_COMPRESSION,"SS: Preferred Compression Algorithm" }, { OPS_PTAG_SS_KEY_SERVER_PREFS, "SS: Key Server Preferences" }, { OPS_PTAG_SS_PREFERRED_COMPRESSION,"SS: Preferred Key Server" }, { OPS_PTAG_SS_PRIMARY_USER_ID, "SS: Primary User ID" }, { OPS_PTAG_SS_POLICY_URI, "SS: Policy URI" }, { OPS_PTAG_SS_KEY_FLAGS, "SS: Key Flags" }, { OPS_PTAG_SS_SIGNERS_USER_ID, "SS: Signer's User ID" }, { OPS_PTAG_SS_REVOCATION_REASON, "SS: Reason for Revocation" }, { OPS_PTAG_SS_FEATURES, "SS: Features" }, { OPS_PTAG_SS_SIGNATURE_TARGET, "SS: Signature Target" }, { OPS_PTAG_SS_EMBEDDED_SIGNATURE, "SS: Embedded Signature" }, { OPS_PTAG_CT_LITERAL_DATA_HEADER, "CT: Literal Data Header" }, { OPS_PTAG_CT_LITERAL_DATA_BODY, "CT: Literal Data Body" }, { OPS_PTAG_CT_SIGNATURE_HEADER, "CT: Signature Header" }, { OPS_PTAG_CT_SIGNATURE_FOOTER, "CT: Signature Footer" }, { OPS_PTAG_CT_ARMOUR_HEADER, "CT: Armour Header" }, { OPS_PTAG_CT_ARMOUR_TRAILER, "CT: Armour Trailer" }, { OPS_PTAG_CT_SIGNED_CLEARTEXT_HEADER, "CT: Signed Cleartext Header" }, { OPS_PTAG_CT_SIGNED_CLEARTEXT_BODY, "CT: Signed Cleartext Body" }, { OPS_PTAG_CT_SIGNED_CLEARTEXT_TRAILER, "CT: Signed Cleartext Trailer" }, { OPS_PTAG_CT_UNARMOURED_TEXT, "CT: Unarmoured Text" }, { OPS_PTAG_CT_ENCRYPTED_SECRET_KEY, "CT: Encrypted Secret Key" }, { OPS_PTAG_CT_SE_DATA_HEADER, "CT: Sym Encrypted Data Header" }, { OPS_PTAG_CT_SE_DATA_BODY, "CT: Sym Encrypted Data Body" }, { OPS_PTAG_CT_SE_IP_DATA_HEADER, "CT: Sym Encrypted IP Data Header" }, { OPS_PTAG_CT_SE_IP_DATA_BODY, "CT: Sym Encrypted IP Data Body" }, { OPS_PTAG_CT_ENCRYPTED_PK_SESSION_KEY, "CT: Encrypted PK Session Key" }, { OPS_PARSER_CMD_GET_SK_PASSPHRASE, "CMD: Get Secret Key Passphrase" }, { OPS_PARSER_CMD_GET_SECRET_KEY, "CMD: Get Secret Key" }, { OPS_PARSER_ERROR, "OPS_PARSER_ERROR" }, { OPS_PARSER_ERRCODE, "OPS_PARSER_ERRCODE" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; typedef ops_map_t packet_tag_map_t; static ops_map_t ss_type_map[] = { { OPS_PTAG_SS_CREATION_TIME, "Signature Creation Time" }, { OPS_PTAG_SS_EXPIRATION_TIME, "Signature Expiration Time" }, { OPS_PTAG_SS_TRUST, "Trust Signature" }, { OPS_PTAG_SS_REGEXP, "Regular Expression" }, { OPS_PTAG_SS_REVOCABLE, "Revocable" }, { OPS_PTAG_SS_KEY_EXPIRATION_TIME, "Key Expiration Time" }, { OPS_PTAG_SS_PREFERRED_SKA, "Preferred Symmetric Algorithms" }, { OPS_PTAG_SS_REVOCATION_KEY, "Revocation Key" }, { OPS_PTAG_SS_ISSUER_KEY_ID, "Issuer key ID" }, { OPS_PTAG_SS_NOTATION_DATA, "Notation Data" }, { OPS_PTAG_SS_PREFERRED_HASH, "Preferred Hash Algorithms" }, { OPS_PTAG_SS_PREFERRED_COMPRESSION,"Preferred Compression Algorithms" }, { OPS_PTAG_SS_KEY_SERVER_PREFS, "Key Server Preferences" }, { OPS_PTAG_SS_PREFERRED_KEY_SERVER, "Preferred Key Server" }, { OPS_PTAG_SS_PRIMARY_USER_ID, "Primary User ID" }, { OPS_PTAG_SS_POLICY_URI, "Policy URI" }, { OPS_PTAG_SS_KEY_FLAGS, "Key Flags" }, { OPS_PTAG_SS_REVOCATION_REASON, "Reason for Revocation" }, { OPS_PTAG_SS_FEATURES, "Features" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; typedef ops_map_t ss_type_map_t; static ops_map_t ss_rr_code_map[] = { { 0x00, "No reason specified" }, { 0x01, "Key is superseded" }, { 0x02, "Key material has been compromised" }, { 0x03, "Key is retired and no longer used" }, { 0x20, "User ID information is no longer valid" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; typedef ops_map_t ss_rr_code_map_t; static ops_map_t sig_type_map[] = { { OPS_SIG_BINARY, "Signature of a binary document" }, { OPS_SIG_TEXT, "Signature of a canonical text document" }, { OPS_SIG_STANDALONE, "Standalone signature" }, { OPS_CERT_GENERIC, "Generic certification of a User ID and Public Key packet" }, { OPS_CERT_PERSONA, "Persona certification of a User ID and Public Key packet" }, { OPS_CERT_CASUAL, "Casual certification of a User ID and Public Key packet" }, { OPS_CERT_POSITIVE, "Positive certification of a User ID and Public Key packet" }, { OPS_SIG_SUBKEY, "Subkey Binding Signature" }, { OPS_SIG_PRIMARY, "Primary Key Binding Signature" }, { OPS_SIG_DIRECT, "Signature directly on a key" }, { OPS_SIG_REV_KEY, "Key revocation signature" }, { OPS_SIG_REV_SUBKEY, "Subkey revocation signature" }, { OPS_SIG_REV_CERT, "Certification revocation signature" }, { OPS_SIG_TIMESTAMP, "Timestamp signature" }, { OPS_SIG_3RD_PARTY, "Third-Party Confirmation signature" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; typedef ops_map_t sig_type_map_t; static ops_map_t public_key_algorithm_map[] = { { OPS_PKA_RSA, "RSA (Encrypt or Sign)" }, { OPS_PKA_RSA_ENCRYPT_ONLY, "RSA Encrypt-Only" }, { OPS_PKA_RSA_SIGN_ONLY, "RSA Sign-Only" }, { OPS_PKA_ELGAMAL, "Elgamal (Encrypt-Only)" }, { OPS_PKA_DSA, "DSA" }, { OPS_PKA_RESERVED_ELLIPTIC_CURVE, "Reserved for Elliptic Curve" }, { OPS_PKA_RESERVED_ECDSA, "Reserved for ECDSA" }, { OPS_PKA_ELGAMAL_ENCRYPT_OR_SIGN, "Reserved (formerly Elgamal Encrypt or Sign" }, { OPS_PKA_RESERVED_DH, "Reserved for Diffie-Hellman (X9.42)" }, { OPS_PKA_PRIVATE00, "Private/Experimental" }, { OPS_PKA_PRIVATE01, "Private/Experimental" }, { OPS_PKA_PRIVATE02, "Private/Experimental" }, { OPS_PKA_PRIVATE03, "Private/Experimental" }, { OPS_PKA_PRIVATE04, "Private/Experimental" }, { OPS_PKA_PRIVATE05, "Private/Experimental" }, { OPS_PKA_PRIVATE06, "Private/Experimental" }, { OPS_PKA_PRIVATE07, "Private/Experimental" }, { OPS_PKA_PRIVATE08, "Private/Experimental" }, { OPS_PKA_PRIVATE09, "Private/Experimental" }, { OPS_PKA_PRIVATE10, "Private/Experimental" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; typedef ops_map_t public_key_algorithm_map_t; static ops_map_t symmetric_algorithm_map[] = { { OPS_SA_PLAINTEXT, "Plaintext or unencrypted data" }, { OPS_SA_IDEA, "IDEA" }, { OPS_SA_TRIPLEDES, "TripleDES" }, { OPS_SA_CAST5, "CAST5" }, { OPS_SA_BLOWFISH, "Blowfish" }, { OPS_SA_AES_128, "AES (128-bit key)" }, { OPS_SA_AES_192, "AES (192-bit key)" }, { OPS_SA_AES_256, "AES (256-bit key)" }, { OPS_SA_TWOFISH, "Twofish(256-bit key)" }, { OPS_SA_CAMELLIA_128, "Camellia (128-bit key)" }, { OPS_SA_CAMELLIA_192, "Camellia (192-bit key)" }, { OPS_SA_CAMELLIA_256, "Camellia (256-bit key)" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; static ops_map_t hash_algorithm_map[] = { { OPS_HASH_MD5, "MD5" }, { OPS_HASH_SHA1, "SHA1" }, { OPS_HASH_RIPEMD, "RIPEMD160" }, { OPS_HASH_SHA256, "SHA256" }, { OPS_HASH_SHA384, "SHA384" }, { OPS_HASH_SHA512, "SHA512" }, { OPS_HASH_SHA224, "SHA224" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; static ops_map_t compression_algorithm_map[] = { { OPS_C_NONE, "Uncompressed" }, { OPS_C_ZIP, "ZIP(RFC1951)" }, { OPS_C_ZLIB, "ZLIB(RFC1950)" }, { OPS_C_BZIP2, "Bzip2(BZ2)" }, { 0x00, NULL }, /* this is the end-of-array marker */ }; static ops_bit_map_t ss_notation_data_map_byte0[] = { { 0x80, "Human-readable" }, { 0x00, NULL }, }; static ops_bit_map_t *ss_notation_data_map[] = { ss_notation_data_map_byte0, }; static ops_bit_map_t ss_feature_map_byte0[] = { { 0x01, "Modification Detection" }, { 0x00, NULL }, }; static ops_bit_map_t *ss_feature_map[] = { ss_feature_map_byte0, }; static ops_bit_map_t ss_key_flags_map[] = { { 0x01, "May be used to certify other keys" }, { 0x02, "May be used to sign data" }, { 0x04, "May be used to encrypt communications" }, { 0x08, "May be used to encrypt storage" }, { 0x10, "Private component may have been split by a secret-sharing mechanism"}, { 0x80, "Private component may be in possession of more than one person"}, { 0x00, NULL }, }; static ops_bit_map_t ss_key_server_prefs_map[] = { { 0x80, "Key holder requests that this key only be modified or updated by the key holder or an administrator of the key server" }, { 0x00, NULL }, }; #include /* * Private functions */ static void list_init(ops_list_t *list) { list->size=0; list->used=0; list->strings=NULL; } static void list_free_strings(ops_list_t *list) { unsigned i; for(i=0; i < list->used ; i++) { free(list->strings[i]); list->strings[i]=NULL; } } static void list_free(ops_list_t *list) { if (list->strings) free(list->strings); list_init(list); } static unsigned int list_resize(ops_list_t *list) { /* We only resize in one direction - upwards. Algorithm used : double the current size then add 1 */ int newsize=0; newsize=list->size*2 + 1; list->strings=realloc(list->strings,newsize*sizeof(char *)); if (list->strings) { list->size=newsize; return 1; } else { /* xxx - realloc failed. error message? - rachel */ return 0; } } static unsigned int add_str(ops_list_t *list,char *str) { if (list->size==list->used) if (!list_resize(list)) return 0; list->strings[list->used]=str; list->used++; return 1; } static char *str_from_bitfield_or_null(unsigned char octet, ops_bit_map_t *map) { ops_bit_map_t *row; for ( row=map; row->string != NULL; row++ ) if (row->mask == octet) return row->string; return NULL; } static char *str_from_bitfield(unsigned char octet, ops_bit_map_t *map) { char *str; str=str_from_bitfield_or_null(octet,map); if (str) return str; else return "Unknown"; } /*! generic function to initialise ops_text_t structure */ void ops_text_init(ops_text_t *text) { list_init(&text->known); list_init(&text->unknown); } /** * \ingroup Core_Print * * ops_text_free() frees the memory used by an ops_text_t structure * * \param text Pointer to a previously allocated structure. This structure and its contents will be freed. */ void ops_text_free(ops_text_t *text) { /* Strings in "known" array will be constants, so don't free them */ list_free(&text->known); /* Strings in "unknown" array will be dynamically allocated, so do free them */ list_free_strings(&text->unknown); list_free(&text->unknown); /* finally, free the text structure itself */ free(text); } // XXX: should this (and many others) be ops_boolean_t? /*! generic function which adds text derived from single octet map to text */ static unsigned int add_str_from_octet_map(ops_text_t *text,char *str, unsigned char octet) { if (str && !add_str(&text->known,str)) { /* value recognised, but there was a problem adding it to the list */ /* XXX - should print out error msg here, Ben? - rachel */ return 0; } else if (!str) { /* value not recognised and there was a problem adding it to the unknown list */ unsigned len=2+2+1; /* 2 for "0x", 2 for single octet in hex format, 1 for NULL */ str=malloc(len); snprintf(str,len,"0x%x",octet); if (!add_str(&text->unknown,str)) return 0; } return 1; } /*! generic function which adds text derived from single bit map to text */ static unsigned int add_str_from_bit_map(ops_text_t *text, char *str, unsigned char bit) { char *fmt_unknown="Unknown bit(0x%x)"; if (str && !add_str(&text->known,str)) { /* value recognised, but there was a problem adding it to the list */ /* XXX - should print out error msg here, Ben? - rachel */ return 0; } else if (!str) { /* value not recognised and there was a problem adding it to the unknown list */ /* 2 chars of the string are the format definition, this will be replaced in the output by 2 chars of hex, so the length will be correct */ unsigned len=strlen(fmt_unknown)+1; str=malloc(len); snprintf(str,len,fmt_unknown,bit); if (!add_str(&text->unknown,str)) return 0; } return 1; } /** * Produce a structure containing human-readable textstrings * representing the recognised and unrecognised contents * of this byte array. text_fn() will be called on each octet in turn. * Each octet will generate one string representing the whole byte. * */ static ops_text_t *text_from_bytemapped_octets(ops_data_t *data, const char *(*text_fn)(unsigned char octet)) { ops_text_t *text=NULL; const char *str; unsigned i; /*! allocate and initialise ops_text_t structure to store derived strings */ text=malloc(sizeof(ops_text_t)); if (!text) return NULL; ops_text_init(text); /*! for each octet in field ... */ for(i=0 ; i < data->len ; i++) { /*! derive string from octet */ str=(*text_fn)(data->contents[i]); /*! and add to text */ if (!add_str_from_octet_map(text,strdup(str),data->contents[i])) { ops_text_free(text); return NULL; } } /*! All values have been added to either the known or the unknown list */ /*! Return text */ return text; } /** * Produce a structure containing human-readable textstrings * representing the recognised and unrecognised contents * of this byte array, derived from each bit of each octet. * */ static ops_text_t *showall_octets_bits(ops_data_t *data,ops_bit_map_t **map, size_t nmap) { ops_text_t *text=NULL; char *str; unsigned i; int j=0; unsigned char mask, bit; /*! allocate and initialise ops_text_t structure to store derived strings */ text=malloc(sizeof(ops_text_t)); if (!text) return NULL; ops_text_init(text); /*! for each octet in field ... */ for(i=0 ; i < data->len ; i++) { /*! for each bit in octet ... */ for (j=0, mask=0x80; j<8; j++, mask = mask>>1 ) { bit = data->contents[i]&mask; if (bit) { if(i >= nmap) str="Unknown"; else str=str_from_bitfield ( bit, map[i] ); if (!add_str_from_bit_map( text, str, bit)) { ops_text_free(text); return NULL; } } } } return text; } /* * Public Functions */ /** * \ingroup Core_Print * returns description of the Packet Tag * \param packet_tag * \return string or "Unknown" */ const char *ops_show_packet_tag(ops_packet_tag_t packet_tag) { char *rtn=NULL; rtn=show_packet_tag(packet_tag,packet_tag_map); if (!rtn) rtn="Unknown Tag"; return rtn; } /** * \ingroup Core_Print * * returns description of the Signature Sub-Packet type * \param ss_type Signature Sub-Packet type * \return string or "Unknown" */ const char *ops_show_ss_type(ops_ss_type_t ss_type) { return show_ss_type(ss_type,ss_type_map); } /** * \ingroup Core_Print * * returns description of the Revocation Reason code * \param ss_rr_code Revocation Reason code * \return string or "Unknown" */ const char *ops_show_ss_rr_code(ops_ss_rr_code_t ss_rr_code) { return show_ss_rr_code(ss_rr_code,ss_rr_code_map); } /** * \ingroup Core_Print * * returns description of the given Signature type * \param sig_type Signature type * \return string or "Unknown" */ const char *ops_show_sig_type(ops_sig_type_t sig_type) { return show_sig_type(sig_type, sig_type_map); } /** * \ingroup Core_Print * * returns description of the given Public Key Algorithm * \param pka Public Key Algorithm type * \return string or "Unknown" */ const char *ops_show_pka(ops_public_key_algorithm_t pka) { return show_pka(pka, public_key_algorithm_map); } /** * \ingroup Core_Print * returns description of the Preferred Compression * \param octet Preferred Compression * \return string or "Unknown" */ const char *ops_show_ss_preferred_compression(unsigned char octet) { return ops_str_from_map(octet,compression_algorithm_map); } /** * \ingroup Core_Print * * returns set of descriptions of the given Preferred Compression Algorithms * \param ss_preferred_compression Array of Preferred Compression Algorithms * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error */ ops_text_t *ops_showall_ss_preferred_compression(ops_ss_preferred_compression_t ss_preferred_compression) { return text_from_bytemapped_octets(&ss_preferred_compression.data, &ops_show_ss_preferred_compression); } /** * \ingroup Core_Print * * returns description of the Hash Algorithm type * \param hash Hash Algorithm type * \return string or "Unknown" */ const char *ops_show_hash_algorithm(unsigned char hash) { return show_hash_algorithm(hash); } /** * \ingroup Core_Print * * returns set of descriptions of the given Preferred Hash Algorithms * \param ss_preferred_hash Array of Preferred Hash Algorithms * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error */ ops_text_t *ops_showall_ss_preferred_hash(ops_ss_preferred_hash_t ss_preferred_hash) { return text_from_bytemapped_octets(&ss_preferred_hash.data, &ops_show_hash_algorithm); } const char *ops_show_symmetric_algorithm(unsigned char hash) { return show_symmetric_algorithm(hash); } /** * \ingroup Core_Print * returns description of the given Preferred Symmetric Key Algorithm * \param octet * \return string or "Unknown" */ const char *ops_show_ss_preferred_ska(unsigned char octet) { return ops_str_from_map(octet,symmetric_algorithm_map); } /** * \ingroup Core_Print * * returns set of descriptions of the given Preferred Symmetric Key Algorithms * \param ss_preferred_ska Array of Preferred Symmetric Key Algorithms * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error */ ops_text_t *ops_showall_ss_preferred_ska(ops_ss_preferred_ska_t ss_preferred_ska) { return text_from_bytemapped_octets(&ss_preferred_ska.data, &ops_show_ss_preferred_ska); } /** * \ingroup Core_Print * returns description of one SS Feature * \param octet * \return string or "Unknown" */ static char *ops_show_ss_feature(unsigned char octet,unsigned offset) { if(offset >= OPS_ARRAY_SIZE(ss_feature_map)) return "Unknown"; return str_from_bitfield(octet,ss_feature_map[offset]); } /** * \ingroup Core_Print * * returns set of descriptions of the given SS Features * \param ss_features Signature Sub-Packet Features * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error */ /* XXX: shouldn't this use show_all_octets_bits? */ ops_text_t *ops_showall_ss_features(ops_ss_features_t ss_features) { ops_text_t *text=NULL; char *str; unsigned i; int j=0; unsigned char mask, bit; text=malloc(sizeof(ops_text_t)); if (!text) return NULL; ops_text_init(text); for(i=0 ; i < ss_features.data.len ; i++) { for (j=0, mask=0x80; j<8; j++, mask = mask>>1 ) { bit = ss_features.data.contents[i]&mask; if (bit) { str=ops_show_ss_feature ( bit, i ); if (!add_str_from_bit_map( text, str, bit)) { ops_text_free(text); return NULL; } } } } return text; } /** * \ingroup Core_Print * returns description of SS Key Flag * \param octet * \param map * \return */ const char *ops_show_ss_key_flag(unsigned char octet, ops_bit_map_t *map) { return str_from_bitfield(octet,map); } /** * \ingroup Core_Print * * returns set of descriptions of the given Preferred Key Flags * \param ss_key_flags Array of Key Flags * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error */ ops_text_t *ops_showall_ss_key_flags(ops_ss_key_flags_t ss_key_flags) { ops_text_t *text=NULL; const char *str; int i=0; unsigned char mask, bit; text=malloc(sizeof(ops_text_t)); if (!text) return NULL; ops_text_init(text); /* xxx - TBD: extend to handle multiple octets of bits - rachel */ for (i=0,mask=0x80 ; i < 8 ; i++,mask=mask >> 1) { bit=ss_key_flags.data.contents[0]&mask; if(bit) { str=ops_show_ss_key_flag(bit,&ss_key_flags_map[0]); if(!add_str_from_bit_map(text,strdup(str),bit)) { ops_text_free(text); return NULL; } } } /* xxx - must add error text if more than one octet. Only one currently specified -- rachel */ return text; } /** * \ingroup Core_Print * * returns description of one given Key Server Preference * * \param prefs Byte containing bitfield of preferences * \param map * \return string or "Unknown" */ const char *ops_show_ss_key_server_prefs(unsigned char prefs, ops_bit_map_t *map) { return str_from_bitfield(prefs,map); } /** * \ingroup Core_Print * returns set of descriptions of given Key Server Preferences * \param ss_key_server_prefs * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error * */ ops_text_t *ops_showall_ss_key_server_prefs(ops_ss_key_server_prefs_t ss_key_server_prefs) { ops_text_t *text=NULL; const char *str; int i=0; unsigned char mask, bit; text=malloc(sizeof(ops_text_t)); if (!text) return NULL; ops_text_init(text); /* xxx - TBD: extend to handle multiple octets of bits - rachel */ for (i=0,mask=0x80 ; i < 8 ; i++,mask=mask >> 1) { bit=ss_key_server_prefs.data.contents[0]&mask; if (bit) { str=ops_show_ss_key_server_prefs(bit, &ss_key_server_prefs_map[0]); if(!add_str_from_bit_map( text, strdup(str), bit)) { ops_text_free(text); return NULL; } } } /* xxx - must add error text if more than one octet. Only one currently specified -- rachel */ return text; } /** * \ingroup Core_Print * * returns set of descriptions of the given SS Notation Data Flags * \param ss_notation_data Signature Sub-Packet Notation Data * \return NULL if cannot allocate memory or other error * \return pointer to structure, if no error */ ops_text_t *ops_showall_ss_notation_data_flags(ops_ss_notation_data_t ss_notation_data) { return showall_octets_bits(&ss_notation_data.flags,ss_notation_data_map, OPS_ARRAY_SIZE(ss_notation_data_map)); }