101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "conf-parser.h"
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#include "parse-util.h"
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#include "string-util.h"
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#include "vlan-util.h"
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int parse_vlanid(const char *p, uint16_t *ret) {
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uint16_t id;
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int r;
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assert(p);
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assert(ret);
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r = safe_atou16(p, &id);
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if (r < 0)
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return r;
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if (!vlanid_is_valid(id))
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return -ERANGE;
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*ret = id;
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return 0;
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}
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int parse_vid_range(const char *p, uint16_t *vid, uint16_t *vid_end) {
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unsigned lower, upper;
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int r;
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r = parse_range(p, &lower, &upper);
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if (r < 0)
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return r;
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if (lower > VLANID_MAX || upper > VLANID_MAX || lower > upper)
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return -EINVAL;
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*vid = lower;
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*vid_end = upper;
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return 0;
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}
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int config_parse_default_port_vlanid(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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uint16_t *id = data;
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assert(lvalue);
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assert(rvalue);
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assert(data);
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if (streq(rvalue, "none")) {
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*id = 0;
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return 0;
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}
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return config_parse_vlanid(unit, filename, line, section, section_line,
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lvalue, ltype, rvalue, data, userdata);
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}
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int config_parse_vlanid(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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uint16_t *id = data;
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int r;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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r = parse_vlanid(rvalue, id);
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if (r == -ERANGE) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"VLAN identifier outside of valid range 0…4094, ignoring: %s", rvalue);
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return 0;
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}
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if (r < 0) {
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log_syntax(unit, LOG_WARNING, filename, line, r,
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"Failed to parse VLAN identifier value, ignoring: %s", rvalue);
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return 0;
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}
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return 0;
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}
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