MINOR: config: Use dedicated function to parse proxy's errorfiles

The parsing of the "errorfile" directive is now handled by the function
http_parse_errorfile().
This commit is contained in:
Christopher Faulet 2020-01-13 14:56:23 +01:00
parent bdf6526e94
commit 13d297f3d6

View File

@ -3857,74 +3857,28 @@ stats_error_parsing:
}
}
else if (!strcmp(args[0], "errorfile")) { /* error message from a file */
int errnum, errlen, fd;
char *err;
struct stat stat;
struct buffer chk;
int status, rc;
if (warnifnotcap(curproxy, PR_CAP_FE | PR_CAP_BE, file, linenum, args[0], NULL))
err_code |= ERR_WARN;
if (*(args[2]) == 0) {
if (*(args[1]) == 0 || *(args[2]) == 0) {
ha_alert("parsing [%s:%d] : <%s> expects <status_code> and <file> as arguments.\n", file, linenum, args[0]);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
fd = open(args[2], O_RDONLY);
if ((fd < 0) || (fstat(fd, &stat) < 0)) {
ha_alert("parsing [%s:%d] : error opening file <%s> for custom error message <%s>.\n",
file, linenum, args[2], args[1]);
if (fd >= 0)
close(fd);
status = atol(args[1]);
rc = http_parse_errorfile(status, args[2], &chk, &errmsg);
if (rc == -1) {
ha_alert("parsing [%s:%d] : %s: %s\n", file, linenum, args[0], errmsg);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
if (stat.st_size <= global.tune.bufsize) {
errlen = stat.st_size;
} else {
ha_warning("parsing [%s:%d] : custom error message file <%s> larger than %d bytes. Truncating.\n",
file, linenum, args[2], global.tune.bufsize);
err_code |= ERR_WARN;
errlen = global.tune.bufsize;
}
err = malloc(errlen); /* malloc() must succeed during parsing */
errnum = read(fd, err, errlen);
if (errnum != errlen) {
ha_alert("parsing [%s:%d] : error reading file <%s> for custom error message <%s>.\n",
file, linenum, args[2], args[1]);
close(fd);
free(err);
err_code |= ERR_ALERT | ERR_FATAL;
goto out;
}
close(fd);
errnum = atol(args[1]);
for (rc = 0; rc < HTTP_ERR_SIZE; rc++) {
if (http_err_codes[rc] == errnum) {
struct buffer chk;
if (!http_str_to_htx(&chk, ist2(err, errlen))) {
ha_alert("parsing [%s:%d] : unable to convert message in HTX for HTTP return code %d.\n",
file, linenum, http_err_codes[rc]);
err_code |= ERR_ALERT | ERR_FATAL;
free(err);
goto out;
}
chunk_destroy(&curproxy->errmsg[rc]);
curproxy->errmsg[rc] = chk;
break;
}
}
if (rc >= HTTP_ERR_SIZE) {
ha_warning("parsing [%s:%d] : status code %d not handled by '%s', error customization will be ignored.\n",
file, linenum, errnum, args[0]);
err_code |= ERR_WARN;
free(err);
}
chunk_destroy(&curproxy->errmsg[rc]);
curproxy->errmsg[rc] = chk;
}
else {
struct cfg_kw_list *kwl;