diff options
Diffstat (limited to '')
-rw-r--r-- | g10/getkey.c | 230 |
1 files changed, 5 insertions, 225 deletions
diff --git a/g10/getkey.c b/g10/getkey.c index 54843cfb2..c636d6b0e 100644 --- a/g10/getkey.c +++ b/g10/getkey.c @@ -536,228 +536,6 @@ seckey_available( u32 *keyid ) } -/**************** - * Return the type of the user id: - * - * Please use the constants KEYDB_SERCH_MODE_xxx - * 0 = Invalid user ID - * 1 = exact match - * 2 = match a substring - * 3 = match an email address - * 4 = match a substring of an email address - * 5 = match an email address, but compare from end - * 6 = word match mode - * 10 = it is a short KEYID (don't care about keyid[0]) - * 11 = it is a long KEYID - * 12 = it is a trustdb index (keyid is looked up) - * 16 = it is a 16 byte fingerprint - * 20 = it is a 20 byte fingerprint - * 21 = Unified fingerprint :fpr:pk_algo: - * (We don't use pk_algo yet) - * - * Rules used: - * - If the username starts with 8,9,16 or 17 hex-digits (the first one - * must be in the range 0..9), this is considered a keyid; depending - * on the length a short or complete one. - * - If the username starts with 32,33,40 or 41 hex-digits (the first one - * must be in the range 0..9), this is considered a fingerprint. - * - If the username starts with a left angle, we assume it is a complete - * email address and look only at this part. - * - If the username starts with a colon we assume it is a unified - * key specfification. - * - If the username starts with a '.', we assume it is the ending - * part of an email address - * - If the username starts with an '@', we assume it is a part of an - * email address - * - If the userid start with an '=' an exact compare is done. - * - If the userid starts with a '*' a case insensitive substring search is - * done (This is the default). - * - If the userid starts with a '+' we will compare individual words - * and a match requires that all the words are in the userid. - * Words are delimited by white space or "()<>[]{}.@-+_,;/&!" - * (note that you can't search for these characters). Compare - * is not case sensitive. - * - If the userid starts with a '&' a 40 hex digits keygrip is expected. - */ - -int -classify_user_id( const char *name, KEYDB_SEARCH_DESC *desc ) -{ - const char *s; - int hexprefix = 0; - int hexlength; - int mode = 0; - KEYDB_SEARCH_DESC dummy_desc; - - if (!desc) - desc = &dummy_desc; - - /* clear the structure so that the mode field is set to zero unless - * we set it to the correct value right at the end of this function */ - memset (desc, 0, sizeof *desc); - - /* skip leading spaces. Fixme: what is with trailing spaces? */ - for(s = name; *s && spacep (s); s++ ) - ; - - switch (*s) { - case 0: /* empty string is an error */ - return 0; - -#if 0 - case '.': /* an email address, compare from end */ - mode = KEYDB_SEARCH_MODE_MAILEND; - s++; - desc->u.name = s; - break; -#endif - - case '<': /* an email address */ - mode = KEYDB_SEARCH_MODE_MAIL; - desc->u.name = s; - break; - - case '@': /* part of an email address */ - mode = KEYDB_SEARCH_MODE_MAILSUB; - s++; - desc->u.name = s; - break; - - case '=': /* exact compare */ - mode = KEYDB_SEARCH_MODE_EXACT; - s++; - desc->u.name = s; - break; - - case '*': /* case insensitive substring search */ - mode = KEYDB_SEARCH_MODE_SUBSTR; - s++; - desc->u.name = s; - break; - -#if 0 - case '+': /* compare individual words */ - mode = KEYDB_SEARCH_MODE_WORDS; - s++; - desc->u.name = s; - break; -#endif - - case '#': /* local user id */ - return 0; /* This is now obsolete and can't not be used anymore*/ - - case ':': /*Unified fingerprint */ - { - const char *se, *si; - int i; - - se = strchr( ++s,':'); - if ( !se ) - return 0; - for (i=0,si=s; si < se; si++, i++ ) { - if ( !strchr("01234567890abcdefABCDEF", *si ) ) - return 0; /* invalid digit */ - } - if (i != 32 && i != 40) - return 0; /* invalid length of fpr*/ - for (i=0,si=s; si < se; i++, si +=2) - desc->u.fpr[i] = hextobyte(si); - for ( ; i < 20; i++) - desc->u.fpr[i]= 0; - s = se + 1; - mode = KEYDB_SEARCH_MODE_FPR; - } - break; - - case '&': /* keygrip */ - return 0; /* Not yet implememted. */ - - default: - if (s[0] == '0' && s[1] == 'x') { - hexprefix = 1; - s += 2; - } - - hexlength = strspn(s, "0123456789abcdefABCDEF"); - if (hexlength >= 8 && s[hexlength] =='!') { - desc->exact = 1; - hexlength++; /* just for the following check */ - } - - /* check if a hexadecimal number is terminated by EOS or blank */ - if (hexlength && s[hexlength] && !spacep(s+hexlength)) { - if (hexprefix) /* a "0x" prefix without correct */ - return 0; /* termination is an error */ - else /* The first chars looked like */ - hexlength = 0; /* a hex number, but really were not. */ - } - - if (desc->exact) - hexlength--; - - if (hexlength == 8 - || (!hexprefix && hexlength == 9 && *s == '0')){ - /* short keyid */ - if (hexlength == 9) - s++; - desc->u.kid[0] = 0; - desc->u.kid[1] = strtoul( s, NULL, 16 ); - mode = KEYDB_SEARCH_MODE_SHORT_KID; - } - else if (hexlength == 16 - || (!hexprefix && hexlength == 17 && *s == '0')) { - /* complete keyid */ - char buf[9]; - if (hexlength == 17) - s++; - mem2str(buf, s, 9 ); - desc->u.kid[0] = strtoul( buf, NULL, 16 ); - desc->u.kid[1] = strtoul( s+8, NULL, 16 ); - mode = KEYDB_SEARCH_MODE_LONG_KID; - } - else if (hexlength == 32 || (!hexprefix && hexlength == 33 - && *s == '0')) { - /* md5 fingerprint */ - int i; - if (hexlength == 33) - s++; - memset(desc->u.fpr+16, 0, 4); - for (i=0; i < 16; i++, s+=2) { - int c = hextobyte(s); - if (c == -1) - return 0; - desc->u.fpr[i] = c; - } - mode = KEYDB_SEARCH_MODE_FPR16; - } - else if (hexlength == 40 || (!hexprefix && hexlength == 41 - && *s == '0')) { - /* sha1/rmd160 fingerprint */ - int i; - if (hexlength == 41) - s++; - for (i=0; i < 20; i++, s+=2) { - int c = hextobyte(s); - if (c == -1) - return 0; - desc->u.fpr[i] = c; - } - mode = KEYDB_SEARCH_MODE_FPR20; - } - else { - if (hexprefix) /* This was a hex number with a prefix */ - return 0; /* and a wrong length */ - - desc->exact = 0; - desc->u.name = s; - mode = KEYDB_SEARCH_MODE_SUBSTR; /* default mode */ - } - } - - desc->mode = mode; - return mode; -} - static int skip_unusable (void *dummy, u32 *keyid, PKT_user_id *uid) @@ -851,14 +629,16 @@ key_byname( GETKEY_CTX *retctx, strlist_t namelist, for(n=0, r=namelist; r; r = r->next, n++ ) { - classify_user_id (r->d, &ctx->items[n]); + gpg_error_t err; + + err = classify_user_id (r->d, &ctx->items[n]); if (ctx->items[n].exact) ctx->exact = 1; - if (!ctx->items[n].mode) + if (err) { xfree (ctx); - return G10ERR_INV_USER_ID; + return gpg_err_code (err); /* FIXME: remove gpg_err_code. */ } if(!include_unusable && ctx->items[n].mode!=KEYDB_SEARCH_MODE_SHORT_KID |