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/* $OpenBSD: rcsparse.c,v 1.13 2016/10/13 20:51:25 fcambus Exp $ */ |
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/* |
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* Copyright (c) 2010 Tobias Stoeckmann <tobias@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/queue.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <pwd.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "log.h" |
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#include "rcs.h" |
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#include "rcsparse.h" |
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#include "xmalloc.h" |
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#define RCS_BUFSIZE 16384 |
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#define RCS_BUFEXTSIZE 8192 |
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/* RCS token types */ |
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#define RCS_TOK_HEAD (1 << 0) |
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#define RCS_TOK_BRANCH (1 << 1) |
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#define RCS_TOK_ACCESS (1 << 2) |
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#define RCS_TOK_SYMBOLS (1 << 3) |
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#define RCS_TOK_LOCKS (1 << 4) |
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#define RCS_TOK_STRICT (1 << 5) |
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#define RCS_TOK_COMMENT (1 << 6) |
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#define RCS_TOK_COMMITID (1 << 7) |
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#define RCS_TOK_EXPAND (1 << 8) |
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#define RCS_TOK_DESC (1 << 9) |
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#define RCS_TOK_DATE (1 << 10) |
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#define RCS_TOK_AUTHOR (1 << 11) |
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#define RCS_TOK_STATE (1 << 12) |
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#define RCS_TOK_BRANCHES (1 << 13) |
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#define RCS_TOK_NEXT (1 << 14) |
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#define RCS_TOK_LOG (1 << 15) |
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#define RCS_TOK_TEXT (1 << 16) |
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#define RCS_TOK_COLON (1 << 17) |
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#define RCS_TOK_COMMA (1 << 18) |
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#define RCS_TOK_SCOLON (1 << 19) |
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#define RCS_TYPE_STRING (1 << 20) |
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#define RCS_TYPE_NUMBER (1 << 21) |
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#define RCS_TYPE_BRANCH (1 << 22) |
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#define RCS_TYPE_REVISION (1 << 23) |
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#define RCS_TYPE_LOGIN (1 << 24) |
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#define RCS_TYPE_STATE (1 << 25) |
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#define RCS_TYPE_SYMBOL (1 << 26) |
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#define RCS_TYPE_DATE (1 << 27) |
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#define RCS_TYPE_KEYWORD (1 << 28) |
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#define RCS_TYPE_COMMITID (1 << 29) |
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#define MANDATORY 0 |
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#define OPTIONAL 1 |
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/* opaque parse data */ |
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struct rcs_pdata { |
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char *rp_buf; |
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size_t rp_blen; |
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char *rp_bufend; |
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size_t rp_tlen; |
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struct rcs_delta *rp_delta; |
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int rp_lineno; |
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int rp_msglineno; |
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int rp_token; |
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union { |
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RCSNUM *rev; |
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char *str; |
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struct tm date; |
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} rp_value; |
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}; |
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struct rcs_keyword { |
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const char *k_name; |
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int k_val; |
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}; |
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struct rcs_section { |
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int token; |
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int (*parse)(RCSFILE *, struct rcs_pdata *); |
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int opt; |
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}; |
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/* this has to be sorted always */ |
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static const struct rcs_keyword keywords[] = { |
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{ "access", RCS_TOK_ACCESS}, |
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{ "author", RCS_TOK_AUTHOR}, |
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{ "branch", RCS_TOK_BRANCH}, |
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{ "branches", RCS_TOK_BRANCHES}, |
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{ "comment", RCS_TOK_COMMENT}, |
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{ "commitid", RCS_TOK_COMMITID}, |
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{ "date", RCS_TOK_DATE}, |
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{ "desc", RCS_TOK_DESC}, |
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{ "expand", RCS_TOK_EXPAND}, |
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{ "head", RCS_TOK_HEAD}, |
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{ "locks", RCS_TOK_LOCKS}, |
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{ "log", RCS_TOK_LOG}, |
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{ "next", RCS_TOK_NEXT}, |
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{ "state", RCS_TOK_STATE}, |
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{ "strict", RCS_TOK_STRICT}, |
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{ "symbols", RCS_TOK_SYMBOLS}, |
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{ "text", RCS_TOK_TEXT} |
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}; |
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/* parser functions specified in rcs_section structs */ |
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static int rcsparse_head(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_branch(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_access(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_symbols(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_locks(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_strict(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_comment(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_commitid(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_expand(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_deltarevision(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_date(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_author(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_state(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_branches(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_next(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_textrevision(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_log(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_text(RCSFILE *, struct rcs_pdata *); |
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static int rcsparse_delta(RCSFILE *); |
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static int rcsparse_deltatext(RCSFILE *); |
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static int rcsparse_desc(RCSFILE *); |
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static int kw_cmp(const void *, const void *); |
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static int rcsparse(RCSFILE *, struct rcs_section *); |
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static void rcsparse_growbuf(RCSFILE *); |
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static int rcsparse_string(RCSFILE *, int); |
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static int rcsparse_token(RCSFILE *, int); |
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static void rcsparse_warnx(RCSFILE *, char *, ...); |
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static int valid_login(char *); |
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static int valid_commitid(char *); |
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/* |
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* head [REVISION]; |
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* [branch BRANCH]; |
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* access [LOGIN ...]; |
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* symbols [SYMBOL:REVISION ...]; |
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* locks [LOGIN:REVISION ...]; |
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* [strict;] |
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* [comment [@[...]@];] |
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* [expand [@[...]@];] |
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*/ |
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static struct rcs_section sec_admin[] = { |
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{ RCS_TOK_HEAD, rcsparse_head, MANDATORY }, |
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{ RCS_TOK_BRANCH, rcsparse_branch, OPTIONAL }, |
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{ RCS_TOK_ACCESS, rcsparse_access, MANDATORY }, |
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{ RCS_TOK_SYMBOLS, rcsparse_symbols, MANDATORY }, |
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{ RCS_TOK_LOCKS, rcsparse_locks, MANDATORY }, |
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{ RCS_TOK_STRICT, rcsparse_strict, OPTIONAL }, |
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{ RCS_TOK_COMMENT, rcsparse_comment, OPTIONAL }, |
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{ RCS_TOK_EXPAND, rcsparse_expand, OPTIONAL }, |
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{ 0, NULL, 0 } |
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}; |
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/* |
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* REVISION |
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* date [YY]YY.MM.DD.HH.MM.SS; |
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* author LOGIN; |
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* state STATE; |
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* branches [REVISION ...]; |
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* next [REVISION]; |
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* [commitid ID;] |
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*/ |
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static struct rcs_section sec_delta[] = { |
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{ RCS_TYPE_REVISION, rcsparse_deltarevision, MANDATORY }, |
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{ RCS_TOK_DATE, rcsparse_date, MANDATORY }, |
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{ RCS_TOK_AUTHOR, rcsparse_author, MANDATORY }, |
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{ RCS_TOK_STATE, rcsparse_state, MANDATORY }, |
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{ RCS_TOK_BRANCHES, rcsparse_branches, MANDATORY }, |
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{ RCS_TOK_NEXT, rcsparse_next, MANDATORY }, |
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{ RCS_TOK_COMMITID, rcsparse_commitid, OPTIONAL }, |
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{ 0, NULL, 0 } |
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}; |
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/* |
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* REVISION |
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* log @[...]@ |
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* text @[...]@ |
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*/ |
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static struct rcs_section sec_deltatext[] = { |
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{ RCS_TYPE_REVISION, rcsparse_textrevision, MANDATORY }, |
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{ RCS_TOK_LOG, rcsparse_log, MANDATORY }, |
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{ RCS_TOK_TEXT, rcsparse_text, MANDATORY }, |
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{ 0, NULL, 0 } |
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}; |
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/* |
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* rcsparse_init() |
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* |
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* Initializes the parsing data structure and parses the admin section of |
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* RCS file <rfp>. |
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* |
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* Returns 0 on success or 1 on failure. |
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*/ |
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int |
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rcsparse_init(RCSFILE *rfp) |
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{ |
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struct rcs_pdata *pdp; |
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if (rfp->rf_flags & RCS_PARSED) |
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return (0); |
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pdp = xcalloc(1, sizeof(*pdp)); |
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pdp->rp_buf = xmalloc(RCS_BUFSIZE); |
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pdp->rp_blen = RCS_BUFSIZE; |
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pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1; |
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pdp->rp_token = -1; |
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pdp->rp_lineno = 1; |
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pdp->rp_msglineno = 1; |
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/* ditch the strict lock */ |
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rfp->rf_flags &= ~RCS_SLOCK; |
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rfp->rf_pdata = pdp; |
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if (rcsparse(rfp, sec_admin)) { |
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rcsparse_free(rfp); |
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return (1); |
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} |
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if ((rfp->rf_flags & RCS_PARSE_FULLY) && |
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rcsparse_deltatexts(rfp, NULL)) { |
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rcsparse_free(rfp); |
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return (1); |
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} |
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rfp->rf_flags |= RCS_SYNCED; |
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return (0); |
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} |
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/* |
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* rcsparse_deltas() |
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* |
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* Parse deltas. If <rev> is not NULL, parse only as far as that |
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* revision. If <rev> is NULL, parse all deltas. |
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* |
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* Returns 0 on success or 1 on error. |
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*/ |
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int |
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rcsparse_deltas(RCSFILE *rfp, RCSNUM *rev) |
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{ |
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int ret; |
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struct rcs_delta *enddelta; |
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if ((rfp->rf_flags & PARSED_DELTAS) || (rfp->rf_flags & RCS_CREATE)) |
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return (0); |
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for (;;) { |
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ret = rcsparse_delta(rfp); |
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if (rev != NULL) { |
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enddelta = TAILQ_LAST(&(rfp->rf_delta), rcs_dlist); |
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if (enddelta == NULL) |
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return (1); |
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if (rcsnum_cmp(enddelta->rd_num, rev, 0) == 0) |
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break; |
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} |
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if (ret == 0) { |
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rfp->rf_flags |= PARSED_DELTAS; |
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break; |
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} |
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else if (ret == -1) |
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return (1); |
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} |
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return (0); |
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} |
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/* |
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* rcsparse_deltatexts() |
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* |
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* Parse deltatexts. If <rev> is not NULL, parse only as far as that |
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* revision. If <rev> is NULL, parse everything. |
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* |
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* Returns 0 on success or 1 on error. |
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*/ |
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int |
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rcsparse_deltatexts(RCSFILE *rfp, RCSNUM *rev) |
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{ |
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int ret; |
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struct rcs_delta *rdp; |
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if ((rfp->rf_flags & PARSED_DELTATEXTS) || |
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(rfp->rf_flags & RCS_CREATE)) |
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return (0); |
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311 |
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if (!(rfp->rf_flags & PARSED_DESC)) |
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if (rcsparse_desc(rfp)) |
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return (1); |
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rdp = (rev != NULL) ? rcs_findrev(rfp, rev) : NULL; |
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317 |
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for (;;) { |
318 |
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if (rdp != NULL && rdp->rd_text != NULL) |
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break; |
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ret = rcsparse_deltatext(rfp); |
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if (ret == 0) { |
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rfp->rf_flags |= PARSED_DELTATEXTS; |
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break; |
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} |
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else if (ret == -1) |
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return (1); |
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} |
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329 |
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return (0); |
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} |
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/* |
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* rcsparse_free() |
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* |
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* Free the contents of the <rfp>'s parser data structure. |
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*/ |
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void |
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rcsparse_free(RCSFILE *rfp) |
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{ |
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struct rcs_pdata *pdp; |
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pdp = rfp->rf_pdata; |
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free(pdp->rp_buf); |
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if (pdp->rp_token == RCS_TYPE_REVISION) |
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free(pdp->rp_value.rev); |
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free(pdp); |
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} |
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350 |
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/* |
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* rcsparse_desc() |
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* |
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* Parse desc of the RCS file <rfp>. By calling rcsparse_desc, all deltas |
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* will be parsed in order to proceed the reading cursor to the desc keyword. |
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* |
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* desc @[...]@; |
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* |
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* Returns 0 on success or 1 on error. |
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*/ |
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static int |
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rcsparse_desc(RCSFILE *rfp) |
362 |
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{ |
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struct rcs_pdata *pdp; |
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365 |
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if (rfp->rf_flags & PARSED_DESC) |
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return (0); |
367 |
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368 |
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if (!(rfp->rf_flags & PARSED_DELTAS) && rcsparse_deltas(rfp, NULL)) |
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return (1); |
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pdp = (struct rcs_pdata *)rfp->rf_pdata; |
372 |
|
|
|
373 |
|
|
if (rcsparse_token(rfp, RCS_TOK_DESC) != RCS_TOK_DESC || |
374 |
|
|
rcsparse_token(rfp, RCS_TYPE_STRING) != RCS_TYPE_STRING) |
375 |
|
|
return (1); |
376 |
|
|
|
377 |
|
|
rfp->rf_desc = pdp->rp_value.str; |
378 |
|
|
rfp->rf_flags |= PARSED_DESC; |
379 |
|
|
|
380 |
|
|
return (0); |
381 |
|
|
} |
382 |
|
|
|
383 |
|
|
/* |
384 |
|
|
* rcsparse_deltarevision() |
385 |
|
|
* |
386 |
|
|
* Called upon reaching a new REVISION entry in the delta section. |
387 |
|
|
* A new rcs_delta structure will be prepared in pdp->rp_delta for further |
388 |
|
|
* parsing. |
389 |
|
|
* |
390 |
|
|
* REVISION |
391 |
|
|
* |
392 |
|
|
* Always returns 0. |
393 |
|
|
*/ |
394 |
|
|
static int |
395 |
|
|
rcsparse_deltarevision(RCSFILE *rfp, struct rcs_pdata *pdp) |
396 |
|
|
{ |
397 |
|
|
struct rcs_delta *rdp; |
398 |
|
|
|
399 |
|
|
rdp = xcalloc(1, sizeof(*rdp)); |
400 |
|
|
TAILQ_INIT(&rdp->rd_branches); |
401 |
|
|
rdp->rd_num = pdp->rp_value.rev; |
402 |
|
|
pdp->rp_delta = rdp; |
403 |
|
|
|
404 |
|
|
return (0); |
405 |
|
|
} |
406 |
|
|
|
407 |
|
|
/* |
408 |
|
|
* rcsparse_date() |
409 |
|
|
* |
410 |
|
|
* Parses the specified date of current delta pdp->rp_delta. |
411 |
|
|
* |
412 |
|
|
* date YYYY.MM.DD.HH.MM.SS; |
413 |
|
|
* |
414 |
|
|
* Returns 0 on success or 1 on failure. |
415 |
|
|
*/ |
416 |
|
|
static int |
417 |
|
|
rcsparse_date(RCSFILE *rfp, struct rcs_pdata *pdp) |
418 |
|
|
{ |
419 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_DATE) != RCS_TYPE_DATE) |
420 |
|
|
return (1); |
421 |
|
|
|
422 |
|
|
pdp->rp_delta->rd_date = pdp->rp_value.date; |
423 |
|
|
|
424 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
425 |
|
|
} |
426 |
|
|
|
427 |
|
|
/* |
428 |
|
|
* rcsparse_author() |
429 |
|
|
* |
430 |
|
|
* Parses the specified author of current delta pdp->rp_delta. |
431 |
|
|
* |
432 |
|
|
* author LOGIN; |
433 |
|
|
* |
434 |
|
|
* Returns 0 on success or 1 on failure. |
435 |
|
|
*/ |
436 |
|
|
static int |
437 |
|
|
rcsparse_author(RCSFILE *rfp, struct rcs_pdata *pdp) |
438 |
|
|
{ |
439 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_LOGIN) != RCS_TYPE_LOGIN) |
440 |
|
|
return (1); |
441 |
|
|
|
442 |
|
|
pdp->rp_delta->rd_author = pdp->rp_value.str; |
443 |
|
|
|
444 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
445 |
|
|
} |
446 |
|
|
|
447 |
|
|
/* |
448 |
|
|
* rcsparse_state() |
449 |
|
|
* |
450 |
|
|
* Parses the specified state of current delta pdp->rp_delta. |
451 |
|
|
* |
452 |
|
|
* state STATE; |
453 |
|
|
* |
454 |
|
|
* Returns 0 on success or 1 on failure. |
455 |
|
|
*/ |
456 |
|
|
static int |
457 |
|
|
rcsparse_state(RCSFILE *rfp, struct rcs_pdata *pdp) |
458 |
|
|
{ |
459 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_STATE) != RCS_TYPE_STATE) |
460 |
|
|
return (1); |
461 |
|
|
|
462 |
|
|
pdp->rp_delta->rd_state = pdp->rp_value.str; |
463 |
|
|
|
464 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
465 |
|
|
} |
466 |
|
|
|
467 |
|
|
/* |
468 |
|
|
* rcsparse_branches() |
469 |
|
|
* |
470 |
|
|
* Parses the specified branches of current delta pdp->rp_delta. |
471 |
|
|
* |
472 |
|
|
* branches [REVISION ...]; |
473 |
|
|
* |
474 |
|
|
* Returns 0 on success or 1 on failure. |
475 |
|
|
*/ |
476 |
|
|
static int |
477 |
|
|
rcsparse_branches(RCSFILE *rfp, struct rcs_pdata *pdp) |
478 |
|
|
{ |
479 |
|
|
struct rcs_branch *rb; |
480 |
|
|
int type; |
481 |
|
|
|
482 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_REVISION)) |
483 |
|
|
== RCS_TYPE_REVISION) { |
484 |
|
|
rb = xmalloc(sizeof(*rb)); |
485 |
|
|
rb->rb_num = pdp->rp_value.rev; |
486 |
|
|
TAILQ_INSERT_TAIL(&(pdp->rp_delta->rd_branches), rb, rb_list); |
487 |
|
|
} |
488 |
|
|
|
489 |
|
|
return (type != RCS_TOK_SCOLON); |
490 |
|
|
} |
491 |
|
|
|
492 |
|
|
/* |
493 |
|
|
* rcsparse_next() |
494 |
|
|
* |
495 |
|
|
* Parses the specified next revision of current delta pdp->rp_delta. |
496 |
|
|
* |
497 |
|
|
* next [REVISION]; |
498 |
|
|
* |
499 |
|
|
* Returns 0 on success or 1 on failure. |
500 |
|
|
*/ |
501 |
|
|
static int |
502 |
|
|
rcsparse_next(RCSFILE *rfp, struct rcs_pdata *pdp) |
503 |
|
|
{ |
504 |
|
|
int type; |
505 |
|
|
|
506 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_REVISION|RCS_TOK_SCOLON); |
507 |
|
|
if (type == RCS_TYPE_REVISION) { |
508 |
|
|
pdp->rp_delta->rd_next = pdp->rp_value.rev; |
509 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
510 |
|
|
} else |
511 |
|
|
pdp->rp_delta->rd_next = rcsnum_alloc(); |
512 |
|
|
|
513 |
|
|
return (type != RCS_TOK_SCOLON); |
514 |
|
|
} |
515 |
|
|
|
516 |
|
|
/* |
517 |
|
|
* rcsparse_commitid() |
518 |
|
|
* |
519 |
|
|
* Parses the specified commit id of current delta pdp->rp_delta. The |
520 |
|
|
* commitid keyword is optional and can be omitted. |
521 |
|
|
* |
522 |
|
|
* [commitid ID;] |
523 |
|
|
* |
524 |
|
|
* Returns 0 on success or 1 on failure. |
525 |
|
|
*/ |
526 |
|
|
static int |
527 |
|
|
rcsparse_commitid(RCSFILE *rfp, struct rcs_pdata *pdp) |
528 |
|
|
{ |
529 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_COMMITID) != RCS_TYPE_COMMITID) |
530 |
|
|
return (1); |
531 |
|
|
|
532 |
|
|
pdp->rp_delta->rd_commitid = pdp->rp_value.str; |
533 |
|
|
|
534 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
535 |
|
|
} |
536 |
|
|
|
537 |
|
|
/* |
538 |
|
|
* rcsparse_textrevision() |
539 |
|
|
* |
540 |
|
|
* Called upon reaching a new REVISION entry in the delta text section. |
541 |
|
|
* pdp->rp_delta will be set to REVISION's delta (created in delta section) |
542 |
|
|
* for further parsing. |
543 |
|
|
* |
544 |
|
|
* REVISION |
545 |
|
|
* |
546 |
|
|
* Returns 0 on success or 1 on failure. |
547 |
|
|
*/ |
548 |
|
|
static int |
549 |
|
|
rcsparse_textrevision(RCSFILE *rfp, struct rcs_pdata *pdp) |
550 |
|
|
{ |
551 |
|
|
struct rcs_delta *rdp; |
552 |
|
|
|
553 |
|
|
TAILQ_FOREACH(rdp, &rfp->rf_delta, rd_list) { |
554 |
|
|
if (rcsnum_cmp(rdp->rd_num, pdp->rp_value.rev, 0) == 0) |
555 |
|
|
break; |
556 |
|
|
} |
557 |
|
|
if (rdp == NULL) { |
558 |
|
|
rcsparse_warnx(rfp, "delta for revision \"%s\" not found", |
559 |
|
|
pdp->rp_buf); |
560 |
|
|
free(pdp->rp_value.rev); |
561 |
|
|
return (1); |
562 |
|
|
} |
563 |
|
|
pdp->rp_delta = rdp; |
564 |
|
|
|
565 |
|
|
free(pdp->rp_value.rev); |
566 |
|
|
return (0); |
567 |
|
|
} |
568 |
|
|
|
569 |
|
|
/* |
570 |
|
|
* rcsparse_log() |
571 |
|
|
* |
572 |
|
|
* Parses the specified log of current deltatext pdp->rp_delta. |
573 |
|
|
* |
574 |
|
|
* log @[...]@ |
575 |
|
|
* |
576 |
|
|
* Returns 0 on success or 1 on failure. |
577 |
|
|
*/ |
578 |
|
|
static int |
579 |
|
|
rcsparse_log(RCSFILE *rfp, struct rcs_pdata *pdp) |
580 |
|
|
{ |
581 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_STRING) != RCS_TYPE_STRING) |
582 |
|
|
return (1); |
583 |
|
|
|
584 |
|
|
pdp->rp_delta->rd_log = pdp->rp_value.str; |
585 |
|
|
|
586 |
|
|
return (0); |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
/* |
590 |
|
|
* rcsparse_text() |
591 |
|
|
* |
592 |
|
|
* Parses the specified text of current deltatext pdp->rp_delta. |
593 |
|
|
* |
594 |
|
|
* text @[...]@ |
595 |
|
|
* |
596 |
|
|
* Returns 0 on success or 1 on failure. |
597 |
|
|
*/ |
598 |
|
|
static int |
599 |
|
|
rcsparse_text(RCSFILE *rfp, struct rcs_pdata *pdp) |
600 |
|
|
{ |
601 |
|
|
if (rcsparse_token(rfp, RCS_TYPE_STRING) != RCS_TYPE_STRING) |
602 |
|
|
return (1); |
603 |
|
|
|
604 |
|
|
pdp->rp_delta->rd_tlen = pdp->rp_tlen - 1; |
605 |
|
|
if (pdp->rp_delta->rd_tlen == 0) { |
606 |
|
|
pdp->rp_delta->rd_text = xstrdup(""); |
607 |
|
|
} else { |
608 |
|
|
pdp->rp_delta->rd_text = xmalloc(pdp->rp_delta->rd_tlen); |
609 |
|
|
memcpy(pdp->rp_delta->rd_text, pdp->rp_buf, |
610 |
|
|
pdp->rp_delta->rd_tlen); |
611 |
|
|
} |
612 |
|
|
free(pdp->rp_value.str); |
613 |
|
|
|
614 |
|
|
return (0); |
615 |
|
|
} |
616 |
|
|
|
617 |
|
|
/* |
618 |
|
|
* rcsparse_head() |
619 |
|
|
* |
620 |
|
|
* Parses the head revision of RCS file <rfp>. |
621 |
|
|
* |
622 |
|
|
* head [REVISION]; |
623 |
|
|
* |
624 |
|
|
* Returns 0 on success or 1 on failure. |
625 |
|
|
*/ |
626 |
|
|
static int |
627 |
|
|
rcsparse_head(RCSFILE *rfp, struct rcs_pdata *pdp) |
628 |
|
|
{ |
629 |
|
|
int type; |
630 |
|
|
|
631 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_REVISION|RCS_TOK_SCOLON); |
632 |
|
|
if (type == RCS_TYPE_REVISION) { |
633 |
|
|
rfp->rf_head = pdp->rp_value.rev; |
634 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
return (type != RCS_TOK_SCOLON); |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
/* |
641 |
|
|
* rcsparse_branch() |
642 |
|
|
* |
643 |
|
|
* Parses the default branch of RCS file <rfp>. The branch keyword is |
644 |
|
|
* optional and can be omitted. |
645 |
|
|
* |
646 |
|
|
* [branch BRANCH;] |
647 |
|
|
* |
648 |
|
|
* Returns 0 on success or 1 on failure. |
649 |
|
|
*/ |
650 |
|
|
static int |
651 |
|
|
rcsparse_branch(RCSFILE *rfp, struct rcs_pdata *pdp) |
652 |
|
|
{ |
653 |
|
|
int type; |
654 |
|
|
|
655 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_BRANCH|RCS_TOK_SCOLON); |
656 |
|
|
if (type == RCS_TYPE_BRANCH) { |
657 |
|
|
rfp->rf_branch = pdp->rp_value.rev; |
658 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
659 |
|
|
} |
660 |
|
|
|
661 |
|
|
return (type != RCS_TOK_SCOLON); |
662 |
|
|
} |
663 |
|
|
|
664 |
|
|
/* |
665 |
|
|
* rcsparse_access() |
666 |
|
|
* |
667 |
|
|
* Parses the access list of RCS file <rfp>. |
668 |
|
|
* |
669 |
|
|
* access [LOGIN ...]; |
670 |
|
|
* |
671 |
|
|
* Returns 0 on success or 1 on failure. |
672 |
|
|
*/ |
673 |
|
|
static int |
674 |
|
|
rcsparse_access(RCSFILE *rfp, struct rcs_pdata *pdp) |
675 |
|
|
{ |
676 |
|
|
struct rcs_access *ap; |
677 |
|
|
int type; |
678 |
|
|
|
679 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_LOGIN)) |
680 |
|
|
== RCS_TYPE_LOGIN) { |
681 |
|
|
ap = xmalloc(sizeof(*ap)); |
682 |
|
|
ap->ra_name = pdp->rp_value.str; |
683 |
|
|
TAILQ_INSERT_TAIL(&(rfp->rf_access), ap, ra_list); |
684 |
|
|
} |
685 |
|
|
|
686 |
|
|
return (type != RCS_TOK_SCOLON); |
687 |
|
|
} |
688 |
|
|
|
689 |
|
|
/* |
690 |
|
|
* rcsparse_symbols() |
691 |
|
|
* |
692 |
|
|
* Parses the symbol list of RCS file <rfp>. |
693 |
|
|
* |
694 |
|
|
* symbols [SYMBOL:REVISION ...]; |
695 |
|
|
* |
696 |
|
|
* Returns 0 on success or 1 on failure. |
697 |
|
|
*/ |
698 |
|
|
static int |
699 |
|
|
rcsparse_symbols(RCSFILE *rfp, struct rcs_pdata *pdp) |
700 |
|
|
{ |
701 |
|
|
struct rcs_sym *symp; |
702 |
|
|
char *name; |
703 |
|
|
int type; |
704 |
|
|
|
705 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_SYMBOL)) == |
706 |
|
|
RCS_TYPE_SYMBOL) { |
707 |
|
|
name = pdp->rp_value.str; |
708 |
|
|
if (rcsparse_token(rfp, RCS_TOK_COLON) != RCS_TOK_COLON || |
709 |
|
|
rcsparse_token(rfp, RCS_TYPE_NUMBER) != RCS_TYPE_NUMBER) { |
710 |
|
|
free(name); |
711 |
|
|
return (1); |
712 |
|
|
} |
713 |
|
|
symp = xmalloc(sizeof(*symp)); |
714 |
|
|
symp->rs_name = name; |
715 |
|
|
symp->rs_num = pdp->rp_value.rev; |
716 |
|
|
TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list); |
717 |
|
|
} |
718 |
|
|
|
719 |
|
|
return (type != RCS_TOK_SCOLON); |
720 |
|
|
} |
721 |
|
|
|
722 |
|
|
/* |
723 |
|
|
* rcsparse_locks() |
724 |
|
|
* |
725 |
|
|
* Parses the lock list of RCS file <rfp>. |
726 |
|
|
* |
727 |
|
|
* locks [SYMBOL:REVISION ...]; |
728 |
|
|
* |
729 |
|
|
* Returns 0 on success or 1 on failure. |
730 |
|
|
*/ |
731 |
|
|
static int |
732 |
|
|
rcsparse_locks(RCSFILE *rfp, struct rcs_pdata *pdp) |
733 |
|
|
{ |
734 |
|
|
struct rcs_lock *lkp; |
735 |
|
|
char *name; |
736 |
|
|
int type; |
737 |
|
|
|
738 |
|
|
while ((type = rcsparse_token(rfp, RCS_TOK_SCOLON|RCS_TYPE_LOGIN)) == |
739 |
|
|
RCS_TYPE_LOGIN) { |
740 |
|
|
name = pdp->rp_value.str; |
741 |
|
|
if (rcsparse_token(rfp, RCS_TOK_COLON) != RCS_TOK_COLON || |
742 |
|
|
rcsparse_token(rfp, RCS_TYPE_REVISION) != |
743 |
|
|
RCS_TYPE_REVISION) { |
744 |
|
|
free(name); |
745 |
|
|
return (1); |
746 |
|
|
} |
747 |
|
|
lkp = xmalloc(sizeof(*lkp)); |
748 |
|
|
lkp->rl_name = name; |
749 |
|
|
lkp->rl_num = pdp->rp_value.rev; |
750 |
|
|
TAILQ_INSERT_TAIL(&(rfp->rf_locks), lkp, rl_list); |
751 |
|
|
} |
752 |
|
|
|
753 |
|
|
return (type != RCS_TOK_SCOLON); |
754 |
|
|
} |
755 |
|
|
|
756 |
|
|
/* |
757 |
|
|
* rcsparse_locks() |
758 |
|
|
* |
759 |
|
|
* Parses the strict keyword of RCS file <rfp>. The strict keyword is |
760 |
|
|
* optional and can be omitted. |
761 |
|
|
* |
762 |
|
|
* [strict;] |
763 |
|
|
* |
764 |
|
|
* Returns 0 on success or 1 on failure. |
765 |
|
|
*/ |
766 |
|
|
static int |
767 |
|
|
rcsparse_strict(RCSFILE *rfp, struct rcs_pdata *pdp) |
768 |
|
|
{ |
769 |
|
|
rfp->rf_flags |= RCS_SLOCK; |
770 |
|
|
|
771 |
|
|
return (rcsparse_token(rfp, RCS_TOK_SCOLON) != RCS_TOK_SCOLON); |
772 |
|
|
} |
773 |
|
|
|
774 |
|
|
/* |
775 |
|
|
* rcsparse_comment() |
776 |
|
|
* |
777 |
|
|
* Parses the comment of RCS file <rfp>. The comment keyword is optional |
778 |
|
|
* and can be omitted. |
779 |
|
|
* |
780 |
|
|
* [comment [@[...]@];] |
781 |
|
|
* |
782 |
|
|
* Returns 0 on success or 1 on failure. |
783 |
|
|
*/ |
784 |
|
|
static int |
785 |
|
|
rcsparse_comment(RCSFILE *rfp, struct rcs_pdata *pdp) |
786 |
|
|
{ |
787 |
|
|
int type; |
788 |
|
|
|
789 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_STRING|RCS_TOK_SCOLON); |
790 |
|
|
if (type == RCS_TYPE_STRING) { |
791 |
|
|
rfp->rf_comment = pdp->rp_value.str; |
792 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
793 |
|
|
} |
794 |
|
|
|
795 |
|
|
return (type != RCS_TOK_SCOLON); |
796 |
|
|
} |
797 |
|
|
|
798 |
|
|
/* |
799 |
|
|
* rcsparse_expand() |
800 |
|
|
* |
801 |
|
|
* Parses expand of RCS file <rfp>. The expand keyword is optional and |
802 |
|
|
* can be omitted. |
803 |
|
|
* |
804 |
|
|
* [expand [@[...]@];] |
805 |
|
|
* |
806 |
|
|
* Returns 0 on success or 1 on failure. |
807 |
|
|
*/ |
808 |
|
|
static int |
809 |
|
|
rcsparse_expand(RCSFILE *rfp, struct rcs_pdata *pdp) |
810 |
|
|
{ |
811 |
|
|
int type; |
812 |
|
|
|
813 |
|
|
type = rcsparse_token(rfp, RCS_TYPE_STRING|RCS_TOK_SCOLON); |
814 |
|
|
if (type == RCS_TYPE_STRING) { |
815 |
|
|
rfp->rf_expand = pdp->rp_value.str; |
816 |
|
|
type = rcsparse_token(rfp, RCS_TOK_SCOLON); |
817 |
|
|
} |
818 |
|
|
|
819 |
|
|
return (type != RCS_TOK_SCOLON); |
820 |
|
|
} |
821 |
|
|
|
822 |
|
|
#define RBUF_PUTC(ch) \ |
823 |
|
|
do { \ |
824 |
|
|
if (bp == pdp->rp_bufend - 1) { \ |
825 |
|
|
len = bp - pdp->rp_buf; \ |
826 |
|
|
rcsparse_growbuf(rfp); \ |
827 |
|
|
bp = pdp->rp_buf + len; \ |
828 |
|
|
} \ |
829 |
|
|
*(bp++) = (ch); \ |
830 |
|
|
pdp->rp_tlen++; \ |
831 |
|
|
} while (0); |
832 |
|
|
|
833 |
|
|
static int |
834 |
|
|
rcsparse_string(RCSFILE *rfp, int allowed) |
835 |
|
|
{ |
836 |
|
|
struct rcs_pdata *pdp; |
837 |
|
|
int c; |
838 |
|
|
size_t len; |
839 |
|
|
char *bp; |
840 |
|
|
|
841 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
842 |
|
|
|
843 |
|
|
bp = pdp->rp_buf; |
844 |
|
|
pdp->rp_tlen = 0; |
845 |
|
|
*bp = '\0'; |
846 |
|
|
|
847 |
|
|
for (;;) { |
848 |
|
|
c = getc(rfp->rf_file); |
849 |
|
|
if (c == '@') { |
850 |
|
|
c = getc(rfp->rf_file); |
851 |
|
|
if (c == EOF) { |
852 |
|
|
return (EOF); |
853 |
|
|
} else if (c != '@') { |
854 |
|
|
ungetc(c, rfp->rf_file); |
855 |
|
|
break; |
856 |
|
|
} |
857 |
|
|
} |
858 |
|
|
|
859 |
|
|
if (c == EOF) { |
860 |
|
|
return (EOF); |
861 |
|
|
} else if (c == '\n') |
862 |
|
|
pdp->rp_lineno++; |
863 |
|
|
|
864 |
|
|
RBUF_PUTC(c); |
865 |
|
|
} |
866 |
|
|
|
867 |
|
|
bp = pdp->rp_buf + pdp->rp_tlen; |
868 |
|
|
RBUF_PUTC('\0'); |
869 |
|
|
|
870 |
|
|
if (!(allowed & RCS_TYPE_STRING)) { |
871 |
|
|
rcsparse_warnx(rfp, "unexpected RCS string"); |
872 |
|
|
return (0); |
873 |
|
|
} |
874 |
|
|
|
875 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
876 |
|
|
|
877 |
|
|
return (RCS_TYPE_STRING); |
878 |
|
|
} |
879 |
|
|
|
880 |
|
|
static int |
881 |
|
|
rcsparse_token(RCSFILE *rfp, int allowed) |
882 |
|
|
{ |
883 |
|
|
const struct rcs_keyword *p; |
884 |
|
|
struct rcs_pdata *pdp; |
885 |
|
|
int c, pre, ret, type; |
886 |
|
|
char *bp; |
887 |
|
|
size_t len; |
888 |
|
|
RCSNUM *datenum; |
889 |
|
|
|
890 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
891 |
|
|
|
892 |
|
|
if (pdp->rp_token != -1) { |
893 |
|
|
/* no need to check for allowed here */ |
894 |
|
|
type = pdp->rp_token; |
895 |
|
|
pdp->rp_token = -1; |
896 |
|
|
return (type); |
897 |
|
|
} |
898 |
|
|
|
899 |
|
|
/* skip whitespaces */ |
900 |
|
|
c = EOF; |
901 |
|
|
do { |
902 |
|
|
pre = c; |
903 |
|
|
c = getc(rfp->rf_file); |
904 |
|
|
if (c == EOF) { |
905 |
|
|
if (ferror(rfp->rf_file)) { |
906 |
|
|
rcsparse_warnx(rfp, "error during parsing"); |
907 |
|
|
return (0); |
908 |
|
|
} |
909 |
|
|
if (pre != '\n') |
910 |
|
|
rcsparse_warnx(rfp, |
911 |
|
|
"no newline at end of file"); |
912 |
|
|
return (EOF); |
913 |
|
|
} else if (c == '\n') |
914 |
|
|
pdp->rp_lineno++; |
915 |
|
|
} while (isspace(c)); |
916 |
|
|
|
917 |
|
|
pdp->rp_msglineno = pdp->rp_lineno; |
918 |
|
|
type = 0; |
919 |
|
|
switch (c) { |
920 |
|
|
case '@': |
921 |
|
|
ret = rcsparse_string(rfp, allowed); |
922 |
|
|
if (ret == EOF && ferror(rfp->rf_file)) { |
923 |
|
|
rcsparse_warnx(rfp, "error during parsing"); |
924 |
|
|
return (0); |
925 |
|
|
} |
926 |
|
|
return (ret); |
927 |
|
|
/* NOTREACHED */ |
928 |
|
|
case ':': |
929 |
|
|
type = RCS_TOK_COLON; |
930 |
|
|
if (type & allowed) |
931 |
|
|
return (type); |
932 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%c\"", c); |
933 |
|
|
return (0); |
934 |
|
|
/* NOTREACHED */ |
935 |
|
|
case ';': |
936 |
|
|
type = RCS_TOK_SCOLON; |
937 |
|
|
if (type & allowed) |
938 |
|
|
return (type); |
939 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%c\"", c); |
940 |
|
|
return (0); |
941 |
|
|
/* NOTREACHED */ |
942 |
|
|
case ',': |
943 |
|
|
type = RCS_TOK_COMMA; |
944 |
|
|
if (type & allowed) |
945 |
|
|
return (type); |
946 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%c\"", c); |
947 |
|
|
return (0); |
948 |
|
|
/* NOTREACHED */ |
949 |
|
|
default: |
950 |
|
|
if (!isgraph(c)) { |
951 |
|
|
rcsparse_warnx(rfp, "unexpected character 0x%.2X", c); |
952 |
|
|
return (0); |
953 |
|
|
} |
954 |
|
|
break; |
955 |
|
|
} |
956 |
|
|
allowed &= ~(RCS_TOK_COLON|RCS_TOK_SCOLON|RCS_TOK_COMMA); |
957 |
|
|
|
958 |
|
|
bp = pdp->rp_buf; |
959 |
|
|
pdp->rp_tlen = 0; |
960 |
|
|
*bp = '\0'; |
961 |
|
|
|
962 |
|
|
for (;;) { |
963 |
|
|
if (c == EOF) { |
964 |
|
|
if (ferror(rfp->rf_file)) |
965 |
|
|
rcsparse_warnx(rfp, "error during parsing"); |
966 |
|
|
else |
967 |
|
|
rcsparse_warnx(rfp, "unexpected end of file"); |
968 |
|
|
return (0); |
969 |
|
|
} else if (c == '\n') |
970 |
|
|
pdp->rp_lineno++; |
971 |
|
|
|
972 |
|
|
RBUF_PUTC(c); |
973 |
|
|
|
974 |
|
|
c = getc(rfp->rf_file); |
975 |
|
|
|
976 |
|
|
if (isspace(c)) { |
977 |
|
|
if (c == '\n') |
978 |
|
|
pdp->rp_lineno++; |
979 |
|
|
RBUF_PUTC('\0'); |
980 |
|
|
break; |
981 |
|
|
} else if (c == ';' || c == ':' || c == ',') { |
982 |
|
|
ungetc(c, rfp->rf_file); |
983 |
|
|
RBUF_PUTC('\0'); |
984 |
|
|
break; |
985 |
|
|
} else if (!isgraph(c)) { |
986 |
|
|
rcsparse_warnx(rfp, "unexpected character 0x%.2X", c); |
987 |
|
|
return (0); |
988 |
|
|
} |
989 |
|
|
} |
990 |
|
|
|
991 |
|
|
switch (allowed) { |
992 |
|
|
case RCS_TYPE_COMMITID: |
993 |
|
|
if (!valid_commitid(pdp->rp_buf)) { |
994 |
|
|
rcsparse_warnx(rfp, "invalid commitid \"%s\"", |
995 |
|
|
pdp->rp_buf); |
996 |
|
|
return (0); |
997 |
|
|
} |
998 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
999 |
|
|
break; |
1000 |
|
|
case RCS_TYPE_LOGIN: |
1001 |
|
|
if (!valid_login(pdp->rp_buf)) { |
1002 |
|
|
rcsparse_warnx(rfp, "invalid login \"%s\"", |
1003 |
|
|
pdp->rp_buf); |
1004 |
|
|
return (0); |
1005 |
|
|
} |
1006 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
1007 |
|
|
break; |
1008 |
|
|
case RCS_TYPE_SYMBOL: |
1009 |
|
|
if (!rcs_sym_check(pdp->rp_buf)) { |
1010 |
|
|
rcsparse_warnx(rfp, "invalid symbol \"%s\"", |
1011 |
|
|
pdp->rp_buf); |
1012 |
|
|
return (0); |
1013 |
|
|
} |
1014 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
1015 |
|
|
break; |
1016 |
|
|
/* FALLTHROUGH */ |
1017 |
|
|
case RCS_TYPE_STATE: |
1018 |
|
|
if (rcs_state_check(pdp->rp_buf)) { |
1019 |
|
|
rcsparse_warnx(rfp, "invalid state \"%s\"", |
1020 |
|
|
pdp->rp_buf); |
1021 |
|
|
return (0); |
1022 |
|
|
} |
1023 |
|
|
pdp->rp_value.str = xstrdup(pdp->rp_buf); |
1024 |
|
|
break; |
1025 |
|
|
case RCS_TYPE_DATE: |
1026 |
|
|
if ((datenum = rcsnum_parse(pdp->rp_buf)) == NULL) { |
1027 |
|
|
rcsparse_warnx(rfp, "invalid date \"%s\"", pdp->rp_buf); |
1028 |
|
|
return (0); |
1029 |
|
|
} |
1030 |
|
|
if (datenum->rn_len != 6) { |
1031 |
|
|
free(datenum); |
1032 |
|
|
rcsparse_warnx(rfp, "invalid date \"%s\"", pdp->rp_buf); |
1033 |
|
|
return (0); |
1034 |
|
|
} |
1035 |
|
|
pdp->rp_value.date.tm_year = datenum->rn_id[0]; |
1036 |
|
|
if (pdp->rp_value.date.tm_year >= 1900) |
1037 |
|
|
pdp->rp_value.date.tm_year -= 1900; |
1038 |
|
|
pdp->rp_value.date.tm_mon = datenum->rn_id[1] - 1; |
1039 |
|
|
pdp->rp_value.date.tm_mday = datenum->rn_id[2]; |
1040 |
|
|
pdp->rp_value.date.tm_hour = datenum->rn_id[3]; |
1041 |
|
|
pdp->rp_value.date.tm_min = datenum->rn_id[4]; |
1042 |
|
|
pdp->rp_value.date.tm_sec = datenum->rn_id[5]; |
1043 |
|
|
free(datenum); |
1044 |
|
|
break; |
1045 |
|
|
case RCS_TYPE_NUMBER: |
1046 |
|
|
pdp->rp_value.rev = rcsnum_parse(pdp->rp_buf); |
1047 |
|
|
if (pdp->rp_value.rev == NULL) { |
1048 |
|
|
rcsparse_warnx(rfp, "invalid number \"%s\"", |
1049 |
|
|
pdp->rp_buf); |
1050 |
|
|
return (0); |
1051 |
|
|
} |
1052 |
|
|
break; |
1053 |
|
|
case RCS_TYPE_BRANCH: |
1054 |
|
|
pdp->rp_value.rev = rcsnum_parse(pdp->rp_buf); |
1055 |
|
|
if (pdp->rp_value.rev == NULL) { |
1056 |
|
|
rcsparse_warnx(rfp, "invalid branch \"%s\"", |
1057 |
|
|
pdp->rp_buf); |
1058 |
|
|
return (0); |
1059 |
|
|
} |
1060 |
|
|
if (!RCSNUM_ISBRANCH(pdp->rp_value.rev)) { |
1061 |
|
|
free(pdp->rp_value.rev); |
1062 |
|
|
rcsparse_warnx(rfp, "expected branch, got \"%s\"", |
1063 |
|
|
pdp->rp_buf); |
1064 |
|
|
return (0); |
1065 |
|
|
} |
1066 |
|
|
break; |
1067 |
|
|
case RCS_TYPE_KEYWORD: |
1068 |
|
|
if (islower(*pdp->rp_buf)) { |
1069 |
|
|
p = bsearch(pdp->rp_buf, keywords, |
1070 |
|
|
sizeof(keywords) / sizeof(keywords[0]), |
1071 |
|
|
sizeof(keywords[0]), kw_cmp); |
1072 |
|
|
if (p != NULL) |
1073 |
|
|
return (p->k_val); |
1074 |
|
|
} |
1075 |
|
|
allowed = RCS_TYPE_REVISION; |
1076 |
|
|
/* FALLTHROUGH */ |
1077 |
|
|
case RCS_TYPE_REVISION: |
1078 |
|
|
pdp->rp_value.rev = rcsnum_parse(pdp->rp_buf); |
1079 |
|
|
if (pdp->rp_value.rev != NULL) { |
1080 |
|
|
if (RCSNUM_ISBRANCH(pdp->rp_value.rev)) { |
1081 |
|
|
free(pdp->rp_value.rev); |
1082 |
|
|
rcsparse_warnx(rfp, |
1083 |
|
|
"expected revision, got \"%s\"", |
1084 |
|
|
pdp->rp_buf); |
1085 |
|
|
return (0); |
1086 |
|
|
} |
1087 |
|
|
break; |
1088 |
|
|
} |
1089 |
|
|
/* FALLTHROUGH */ |
1090 |
|
|
default: |
1091 |
|
|
RBUF_PUTC('\0'); |
1092 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%s\"", pdp->rp_buf); |
1093 |
|
|
return (0); |
1094 |
|
|
/* NOTREACHED */ |
1095 |
|
|
} |
1096 |
|
|
|
1097 |
|
|
return (allowed); |
1098 |
|
|
} |
1099 |
|
|
|
1100 |
|
|
static int |
1101 |
|
|
rcsparse(RCSFILE *rfp, struct rcs_section *sec) |
1102 |
|
|
{ |
1103 |
|
|
struct rcs_pdata *pdp; |
1104 |
|
|
int i, token; |
1105 |
|
|
|
1106 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1107 |
|
|
i = 0; |
1108 |
|
|
|
1109 |
|
|
token = 0; |
1110 |
|
|
for (i = 0; sec[i].token != 0; i++) { |
1111 |
|
|
token = rcsparse_token(rfp, RCS_TYPE_KEYWORD); |
1112 |
|
|
if (token == 0) |
1113 |
|
|
return (1); |
1114 |
|
|
|
1115 |
|
|
while (token != sec[i].token) { |
1116 |
|
|
if (sec[i].parse == NULL) |
1117 |
|
|
goto end; |
1118 |
|
|
if (sec[i].opt) { |
1119 |
|
|
i++; |
1120 |
|
|
continue; |
1121 |
|
|
} |
1122 |
|
|
if (token == EOF || (!(rfp->rf_flags & PARSED_DELTAS) && |
1123 |
|
|
token == RCS_TOK_DESC)) |
1124 |
|
|
goto end; |
1125 |
|
|
rcsparse_warnx(rfp, "unexpected token \"%s\"", |
1126 |
|
|
pdp->rp_buf); |
1127 |
|
|
return (1); |
1128 |
|
|
} |
1129 |
|
|
|
1130 |
|
|
if (sec[i].parse(rfp, pdp)) |
1131 |
|
|
return (1); |
1132 |
|
|
} |
1133 |
|
|
end: |
1134 |
|
|
if (token == RCS_TYPE_REVISION) |
1135 |
|
|
pdp->rp_token = token; |
1136 |
|
|
else if (token == RCS_TOK_DESC) |
1137 |
|
|
pdp->rp_token = RCS_TOK_DESC; |
1138 |
|
|
else if (token == EOF) |
1139 |
|
|
rfp->rf_flags |= RCS_PARSED; |
1140 |
|
|
|
1141 |
|
|
return (0); |
1142 |
|
|
} |
1143 |
|
|
|
1144 |
|
|
static int |
1145 |
|
|
rcsparse_deltatext(RCSFILE *rfp) |
1146 |
|
|
{ |
1147 |
|
|
int ret; |
1148 |
|
|
|
1149 |
|
|
if (rfp->rf_flags & PARSED_DELTATEXTS) |
1150 |
|
|
return (0); |
1151 |
|
|
|
1152 |
|
|
if (!(rfp->rf_flags & PARSED_DESC)) |
1153 |
|
|
if ((ret = rcsparse_desc(rfp))) |
1154 |
|
|
return (ret); |
1155 |
|
|
|
1156 |
|
|
if (rcsparse(rfp, sec_deltatext)) |
1157 |
|
|
return (-1); |
1158 |
|
|
|
1159 |
|
|
if (rfp->rf_flags & RCS_PARSED) |
1160 |
|
|
rfp->rf_flags |= PARSED_DELTATEXTS; |
1161 |
|
|
|
1162 |
|
|
return (1); |
1163 |
|
|
} |
1164 |
|
|
|
1165 |
|
|
static int |
1166 |
|
|
rcsparse_delta(RCSFILE *rfp) |
1167 |
|
|
{ |
1168 |
|
|
struct rcs_pdata *pdp; |
1169 |
|
|
|
1170 |
|
|
if (rfp->rf_flags & PARSED_DELTAS) |
1171 |
|
|
return (0); |
1172 |
|
|
|
1173 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1174 |
|
|
if (pdp->rp_token == RCS_TOK_DESC) { |
1175 |
|
|
rfp->rf_flags |= PARSED_DELTAS; |
1176 |
|
|
return (0); |
1177 |
|
|
} |
1178 |
|
|
|
1179 |
|
|
if (rcsparse(rfp, sec_delta)) |
1180 |
|
|
return (-1); |
1181 |
|
|
|
1182 |
|
|
if (pdp->rp_delta != NULL) { |
1183 |
|
|
TAILQ_INSERT_TAIL(&rfp->rf_delta, pdp->rp_delta, rd_list); |
1184 |
|
|
pdp->rp_delta = NULL; |
1185 |
|
|
rfp->rf_ndelta++; |
1186 |
|
|
return (1); |
1187 |
|
|
} |
1188 |
|
|
|
1189 |
|
|
return (0); |
1190 |
|
|
} |
1191 |
|
|
|
1192 |
|
|
/* |
1193 |
|
|
* rcsparse_growbuf() |
1194 |
|
|
* |
1195 |
|
|
* Attempt to grow the internal parse buffer for the RCS file <rf> by |
1196 |
|
|
* RCS_BUFEXTSIZE. |
1197 |
|
|
* In case of failure, the original buffer is left unmodified. |
1198 |
|
|
*/ |
1199 |
|
|
static void |
1200 |
|
|
rcsparse_growbuf(RCSFILE *rfp) |
1201 |
|
|
{ |
1202 |
|
|
struct rcs_pdata *pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1203 |
|
|
|
1204 |
|
|
pdp->rp_buf = xreallocarray(pdp->rp_buf, 1, |
1205 |
|
|
pdp->rp_blen + RCS_BUFEXTSIZE); |
1206 |
|
|
pdp->rp_blen += RCS_BUFEXTSIZE; |
1207 |
|
|
pdp->rp_bufend = pdp->rp_buf + pdp->rp_blen - 1; |
1208 |
|
|
} |
1209 |
|
|
|
1210 |
|
|
/* |
1211 |
|
|
* Borrowed from src/usr.sbin/user/user.c: |
1212 |
|
|
* return 1 if `login' is a valid login name |
1213 |
|
|
*/ |
1214 |
|
|
static int |
1215 |
|
|
valid_login(char *login_name) |
1216 |
|
|
{ |
1217 |
|
|
unsigned char *cp; |
1218 |
|
|
|
1219 |
|
|
/* The first character cannot be a hyphen */ |
1220 |
|
|
if (*login_name == '-') |
1221 |
|
|
return 0; |
1222 |
|
|
|
1223 |
|
|
for (cp = login_name ; *cp ; cp++) { |
1224 |
|
|
/* We allow '$' as the last character for samba */ |
1225 |
|
|
if (!isalnum(*cp) && *cp != '.' && *cp != '_' && *cp != '-' && |
1226 |
|
|
!(*cp == '$' && *(cp + 1) == '\0')) { |
1227 |
|
|
return 0; |
1228 |
|
|
} |
1229 |
|
|
} |
1230 |
|
|
if ((char *)cp - login_name > _PW_NAME_LEN) |
1231 |
|
|
return 0; |
1232 |
|
|
return 1; |
1233 |
|
|
} |
1234 |
|
|
|
1235 |
|
|
static int |
1236 |
|
|
valid_commitid(char *commitid) |
1237 |
|
|
{ |
1238 |
|
|
unsigned char *cp; |
1239 |
|
|
|
1240 |
|
|
/* A-Za-z0-9 */ |
1241 |
|
|
for (cp = commitid; *cp ; cp++) { |
1242 |
|
|
if (!isalnum(*cp)) |
1243 |
|
|
return 0; |
1244 |
|
|
} |
1245 |
|
|
if ((char *)cp - commitid > RCS_COMMITID_MAXLEN) |
1246 |
|
|
return 0; |
1247 |
|
|
return 1; |
1248 |
|
|
} |
1249 |
|
|
|
1250 |
|
|
static int |
1251 |
|
|
kw_cmp(const void *k, const void *e) |
1252 |
|
|
{ |
1253 |
|
|
return (strcmp(k, ((const struct rcs_keyword *)e)->k_name)); |
1254 |
|
|
} |
1255 |
|
|
|
1256 |
|
|
static void |
1257 |
|
|
rcsparse_warnx(RCSFILE *rfp, char *fmt, ...) |
1258 |
|
|
{ |
1259 |
|
|
struct rcs_pdata *pdp; |
1260 |
|
|
va_list ap; |
1261 |
|
|
char *msg; |
1262 |
|
|
|
1263 |
|
|
pdp = (struct rcs_pdata *)rfp->rf_pdata; |
1264 |
|
|
va_start(ap, fmt); |
1265 |
|
|
if (vasprintf(&msg, fmt, ap) == -1) { |
1266 |
|
|
cvs_log(LP_ERRNO, "vasprintf"); |
1267 |
|
|
va_end(ap); |
1268 |
|
|
return; |
1269 |
|
|
} |
1270 |
|
|
va_end(ap); |
1271 |
|
|
cvs_log(LP_ERR, "%s:%d: %s", rfp->rf_path, pdp->rp_msglineno, msg); |
1272 |
|
|
free(msg); |
1273 |
|
|
} |