+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
#include "condition.h"
#include "conf-parser.h"
#include "dhcp-lease-internal.h"
+#include "ether-addr-util.h"
#include "hexdecoct.h"
#include "log.h"
#include "network-internal.h"
#include "parse-util.h"
#include "siphash24.h"
+#include "socket-util.h"
#include "string-util.h"
#include "strv.h"
#include "utf8.h"
return 0;
}
+static bool net_condition_test_strv(char * const *raw_patterns,
+ const char *string) {
+ if (strv_isempty(raw_patterns))
+ return true;
+
+ /* If the patterns begin with "!", edit it out and negate the test. */
+ if (raw_patterns[0][0] == '!') {
+ char **patterns;
+ unsigned i, length;
+
+ length = strv_length(raw_patterns) + 1; /* Include the NULL. */
+ patterns = newa(char*, length);
+ patterns[0] = raw_patterns[0] + 1; /* Skip the "!". */
+ for (i = 1; i < length; i++)
+ patterns[i] = raw_patterns[i];
+
+ return !string || !strv_fnmatch(patterns, string, 0);
+ }
+
+ return string && strv_fnmatch(raw_patterns, string, 0);
+}
+
bool net_match_config(const struct ether_addr *match_mac,
char * const *match_paths,
char * const *match_drivers,
const char *dev_type,
const char *dev_name) {
- if (match_host && !condition_test(match_host))
+ if (match_host && condition_test(match_host) <= 0)
return false;
- if (match_virt && !condition_test(match_virt))
+ if (match_virt && condition_test(match_virt) <= 0)
return false;
- if (match_kernel && !condition_test(match_kernel))
+ if (match_kernel && condition_test(match_kernel) <= 0)
return false;
- if (match_arch && !condition_test(match_arch))
+ if (match_arch && condition_test(match_arch) <= 0)
return false;
if (match_mac && (!dev_mac || memcmp(match_mac, dev_mac, ETH_ALEN)))
return false;
- if (!strv_isempty(match_paths) &&
- (!dev_path || !strv_fnmatch(match_paths, dev_path, 0)))
+ if (!net_condition_test_strv(match_paths, dev_path))
return false;
- if (!strv_isempty(match_drivers) &&
- (!dev_driver || !strv_fnmatch(match_drivers, dev_driver, 0)))
+ if (!net_condition_test_strv(match_drivers, dev_driver))
return false;
- if (!strv_isempty(match_types) &&
- (!dev_type || !strv_fnmatch_or_empty(match_types, dev_type, 0)))
+ if (!net_condition_test_strv(match_types, dev_type))
return false;
- if (!strv_isempty(match_names) &&
- (!dev_name || !strv_fnmatch_or_empty(match_names, dev_name, 0)))
+ if (!net_condition_test_strv(match_names, dev_name))
return false;
return true;
return 0;
}
-int config_parse_ifname(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- char **s = data;
- _cleanup_free_ char *n = NULL;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- n = strdup(rvalue);
- if (!n)
- return log_oom();
-
- if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) {
- log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- free(*s);
- if (*n) {
- *s = n;
- n = NULL;
- } else
- *s = NULL;
-
- return 0;
-}
-
-int config_parse_ifnames(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
+int config_parse_ifnames(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
char ***sv = data;
- const char *word, *state;
- size_t l;
int r;
assert(filename);
assert(rvalue);
assert(data);
- FOREACH_WORD(word, l, rvalue, state) {
- char *n;
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
- n = strndup(word, l);
- if (!n)
- return log_oom();
+ r = extract_first_word(&rvalue, &word, NULL, 0);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse interface name list: %s", rvalue);
+ return 0;
+ }
+ if (r == 0)
+ break;
- if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) {
- log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
- free(n);
+ if (!ifname_valid(word)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is not valid or too long, ignoring assignment: %s", rvalue);
return 0;
}
- r = strv_consume(sv, n);
+ r = strv_push(sv, word);
if (r < 0)
return log_oom();
+
+ word = NULL;
}
return 0;
void *userdata) {
struct ether_addr **hwaddr = data;
struct ether_addr *n;
+ const char *start;
+ size_t offset;
int r;
assert(filename);
if (!n)
return log_oom();
- r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- &n->ether_addr_octet[0],
- &n->ether_addr_octet[1],
- &n->ether_addr_octet[2],
- &n->ether_addr_octet[3],
- &n->ether_addr_octet[4],
- &n->ether_addr_octet[5]);
- if (r != 6) {
+ start = rvalue + strspn(rvalue, WHITESPACE);
+ r = ether_addr_from_string(start, n, &offset);
+
+ if (r || (start[offset + strspn(start + offset, WHITESPACE)] != '\0')) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Not a valid MAC address, ignoring assignment: %s", rvalue);
free(n);
return 0;
r = safe_atou32(rvalue, &iaid);
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, 0, "Unable to read IAID: %s", rvalue);
- return r;
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Unable to read IAID, ignoring assignment: %s", rvalue);
+ return 0;
}
*((uint32_t *)data) = iaid;
return 0;
}
+int config_parse_bridge_port_priority(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ uint16_t i;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atou16(rvalue, &i);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Failed to parse bridge port priority, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ if (i > LINK_BRIDGE_PORT_PRIORITY_MAX) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Bridge port priority is larger than maximum %u, ignoring: %s", LINK_BRIDGE_PORT_PRIORITY_MAX, rvalue);
+ return 0;
+ }
+
+ *((uint16_t *)data) = i;
+
+ return 0;
+}
+
+
void serialize_in_addrs(FILE *f, const struct in_addr *addresses, size_t size) {
unsigned i;
int deserialize_in_addrs(struct in_addr **ret, const char *string) {
_cleanup_free_ struct in_addr *addresses = NULL;
int size = 0;
- const char *word, *state;
- size_t len;
assert(ret);
assert(string);
- FOREACH_WORD(word, len, string, state) {
- _cleanup_free_ char *addr_str = NULL;
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
struct in_addr *new_addresses;
int r;
+ r = extract_first_word(&string, &word, NULL, 0);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
new_addresses = realloc(addresses, (size + 1) * sizeof(struct in_addr));
if (!new_addresses)
return -ENOMEM;
else
addresses = new_addresses;
- addr_str = strndup(word, len);
- if (!addr_str)
- return -ENOMEM;
-
- r = inet_pton(AF_INET, addr_str, &(addresses[size]));
+ r = inet_pton(AF_INET, word, &(addresses[size]));
if (r <= 0)
continue;
return size;
}
-void serialize_in6_addrs(FILE *f, const struct in6_addr *addresses,
- size_t size) {
+void serialize_in6_addrs(FILE *f, const struct in6_addr *addresses, size_t size) {
unsigned i;
assert(f);
assert(addresses);
assert(size);
- for (i = 0; i < size; i++)
- fprintf(f, SD_NDISC_ADDRESS_FORMAT_STR"%s",
- SD_NDISC_ADDRESS_FORMAT_VAL(addresses[i]),
- (i < (size - 1)) ? " ": "");
+ for (i = 0; i < size; i++) {
+ char buffer[INET6_ADDRSTRLEN];
+
+ fputs(inet_ntop(AF_INET6, addresses+i, buffer, sizeof(buffer)), f);
+
+ if (i < size - 1)
+ fputc(' ', f);
+ }
}
int deserialize_in6_addrs(struct in6_addr **ret, const char *string) {
_cleanup_free_ struct in6_addr *addresses = NULL;
int size = 0;
- const char *word, *state;
- size_t len;
assert(ret);
assert(string);
- FOREACH_WORD(word, len, string, state) {
- _cleanup_free_ char *addr_str = NULL;
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
struct in6_addr *new_addresses;
int r;
+ r = extract_first_word(&string, &word, NULL, 0);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
new_addresses = realloc(addresses, (size + 1) * sizeof(struct in6_addr));
if (!new_addresses)
return -ENOMEM;
else
addresses = new_addresses;
- addr_str = strndup(word, len);
- if (!addr_str)
- return -ENOMEM;
-
- r = inet_pton(AF_INET6, addr_str, &(addresses[size]));
+ r = inet_pton(AF_INET6, word, &(addresses[size]));
if (r <= 0)
continue;
int deserialize_dhcp_routes(struct sd_dhcp_route **ret, size_t *ret_size, size_t *ret_allocated, const char *string) {
_cleanup_free_ struct sd_dhcp_route *routes = NULL;
size_t size = 0, allocated = 0;
- const char *word, *state;
- size_t len;
assert(ret);
assert(ret_size);
assert(ret_allocated);
assert(string);
- FOREACH_WORD(word, len, string, state) {
- /* WORD FORMAT: dst_ip/dst_prefixlen,gw_ip */
- _cleanup_free_ char* entry = NULL;
+ /* WORD FORMAT: dst_ip/dst_prefixlen,gw_ip */
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
char *tok, *tok_end;
unsigned n;
int r;
- if (!GREEDY_REALLOC(routes, allocated, size + 1))
- return -ENOMEM;
+ r = extract_first_word(&string, &word, NULL, 0);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
- entry = strndup(word, len);
- if (!entry)
+ if (!GREEDY_REALLOC(routes, allocated, size + 1))
return -ENOMEM;
- tok = entry;
+ tok = word;
/* get the subnet */
tok_end = strchr(tok, '/');