-/* $Id: mandocdb.c,v 1.149 2014/06/18 19:34:04 schwarze Exp $ */
+/* $Id: mandocdb.c,v 1.153 2014/06/21 16:18:25 schwarze Exp $ */
/*
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
static void dbprune(void);
static void filescan(const char *);
static void *hash_alloc(size_t, void *);
-static void hash_free(void *, size_t, void *);
-static void *hash_halloc(size_t, void *);
+static void hash_free(void *, void *);
+static void *hash_calloc(size_t, size_t, void *);
static void mlink_add(struct mlink *, const struct stat *);
static void mlink_check(struct mpage *, struct mlink *);
static void mlink_free(struct mlink *);
memset(&dirs, 0, sizeof(struct manpaths));
mpages_info.alloc = mlinks_info.alloc = hash_alloc;
- mpages_info.halloc = mlinks_info.halloc = hash_halloc;
- mpages_info.hfree = mlinks_info.hfree = hash_free;
+ mpages_info.calloc = mlinks_info.calloc = hash_calloc;
+ mpages_info.free = mlinks_info.free = hash_free;
mpages_info.key_offset = offsetof(struct mpage, inodev);
mlinks_info.key_offset = offsetof(struct mlink, file);
*/
#define CHECKOP(_op, _ch) do \
if (OP_DEFAULT != (_op)) { \
- fprintf(stderr, "-%c: Conflicting option\n", (_ch)); \
+ fprintf(stderr, "%s: -%c: Conflicting option\n", \
+ progname, (_ch)); \
goto usage; \
} while (/*CONSTCOND*/0)
break;
case 'T':
if (strcmp(optarg, "utf8")) {
- fprintf(stderr, "-T%s: Unsupported "
- "output format\n", optarg);
+ fprintf(stderr, "%s: -T%s: "
+ "Unsupported output format\n",
+ progname, optarg);
goto usage;
}
write_utf8 = 1;
argv += optind;
if (OP_CONFFILE == op && argc > 0) {
- fprintf(stderr, "-C: Too many arguments\n");
+ fprintf(stderr, "%s: -C: Too many arguments\n",
+ progname);
goto usage;
}
if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
/*
- * All of these deal with a specific directory.
+ * Most of these deal with a specific directory.
* Jump into that directory first.
*/
- if (0 == set_basedir(path_arg))
+ if (OP_TEST != op && 0 == set_basedir(path_arg))
goto out;
if (dbopen(1)) {
goto out;
if (0 == treescan())
goto out;
- if (0 == set_basedir(dirs.paths[j]))
- goto out;
if (0 == dbopen(0))
goto out;
}
}
out:
- set_basedir(NULL);
manpath_free(&dirs);
mchars_free(mc);
mparse_free(mp);
return;
}
- if (strstr(buf, basedir) == buf)
- start = buf + strlen(basedir) + 1;
- else if (OP_TEST == op)
+ if (OP_TEST == op)
start = buf;
+ else if (strstr(buf, basedir) == buf)
+ start = buf + strlen(basedir);
else {
exitcode = (int)MANDOCLEVEL_BADARG;
say("", "%s: outside base directory", buf);
say(file, "Filename too long");
return;
}
- start = strstr(buf, basedir) == buf ?
- buf + strlen(basedir) + 1 : buf;
+ start = buf;
+ if (OP_TEST != op && strstr(buf, basedir) == buf)
+ start += strlen(basedir);
}
mlink = mandoc_calloc(1, sizeof(struct mlink));
enum mandoclevel lvl;
str_info.alloc = hash_alloc;
- str_info.halloc = hash_halloc;
- str_info.hfree = hash_free;
+ str_info.calloc = hash_calloc;
+ str_info.free = hash_free;
str_info.key_offset = offsetof(struct str, key);
if (0 == nodb)
}
static void *
-hash_halloc(size_t sz, void *arg)
+hash_calloc(size_t n, size_t sz, void *arg)
{
- return(mandoc_calloc(1, sz));
+ return(mandoc_calloc(n, sz));
}
static void *
}
static void
-hash_free(void *p, size_t sz, void *arg)
+hash_free(void *p, void *arg)
{
free(p);
set_basedir(const char *targetdir)
{
static char startdir[PATH_MAX];
- static int fd;
+ static int getcwd_status; /* 1 = ok, 2 = failure */
+ static int chdir_status; /* 1 = changed directory */
+ char *cp;
/*
- * Remember where we started by keeping a fd open to the origin
- * path component: throughout this utility, we chdir() a lot to
- * handle relative paths, and by doing this, we can return to
- * the starting point.
+ * Remember the original working directory, if possible.
+ * This will be needed if the second or a later directory
+ * on the command line is given as a relative path.
+ * Do not error out if the current directory is not
+ * searchable: Maybe it won't be needed after all.
*/
- if ('\0' == *startdir) {
- if (NULL == getcwd(startdir, PATH_MAX)) {
- exitcode = (int)MANDOCLEVEL_SYSERR;
- if (NULL != targetdir)
- say("", "&getcwd");
- return(0);
- }
- if (-1 == (fd = open(startdir, O_RDONLY, 0))) {
+ if (0 == getcwd_status) {
+ if (NULL == getcwd(startdir, sizeof(startdir))) {
+ getcwd_status = 2;
+ (void)strlcpy(startdir, strerror(errno),
+ sizeof(startdir));
+ } else
+ getcwd_status = 1;
+ }
+
+ /*
+ * We are leaving the old base directory.
+ * Do not use it any longer, not even for messages.
+ */
+ *basedir = '\0';
+
+ /*
+ * If and only if the directory was changed earlier and
+ * the next directory to process is given as a relative path,
+ * first go back, or bail out if that is impossible.
+ */
+ if (chdir_status && '/' != *targetdir) {
+ if (2 == getcwd_status) {
exitcode = (int)MANDOCLEVEL_SYSERR;
- say("", "&open %s", startdir);
+ say("", "getcwd: %s", startdir);
return(0);
}
- if (NULL == targetdir)
- targetdir = startdir;
- } else {
- if (-1 == fd)
- return(0);
- if (-1 == fchdir(fd)) {
- close(fd);
- basedir[0] = '\0';
+ if (-1 == chdir(startdir)) {
exitcode = (int)MANDOCLEVEL_SYSERR;
say("", "&chdir %s", startdir);
return(0);
}
- if (NULL == targetdir) {
- close(fd);
- return(1);
- }
}
+
+ /*
+ * Always resolve basedir to the canonicalized absolute
+ * pathname and append a trailing slash, such that
+ * we can reliably check whether files are inside.
+ */
if (NULL == realpath(targetdir, basedir)) {
- basedir[0] = '\0';
exitcode = (int)MANDOCLEVEL_BADARG;
say("", "&%s: realpath", targetdir);
return(0);
say("", "&chdir");
return(0);
}
+ chdir_status = 1;
+ cp = strchr(basedir, '\0');
+ if ('/' != cp[-1]) {
+ if (cp - basedir >= PATH_MAX - 1) {
+ exitcode = (int)MANDOCLEVEL_SYSERR;
+ say("", "Filename too long");
+ return(0);
+ }
+ *cp++ = '/';
+ *cp = '\0';
+ }
return(1);
}
if ('\0' != *basedir)
fprintf(stderr, "%s", basedir);
if ('\0' != *basedir && '\0' != *file)
- fputs("//", stderr);
+ fputc('/', stderr);
if ('\0' != *file)
fprintf(stderr, "%s", file);