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Diffstat (limited to 'src/libsystemd-network/network-internal.c')
-rw-r--r--src/libsystemd-network/network-internal.c188
1 files changed, 92 insertions, 96 deletions
diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
index 35860cf11a..d57baf8fff 100644
--- a/src/libsystemd-network/network-internal.c
+++ b/src/libsystemd-network/network-internal.c
@@ -27,11 +27,13 @@
#include "condition.h"
#include "conf-parser.h"
#include "dhcp-lease-internal.h"
+#include "ether-addr-util.c"
#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"
@@ -175,58 +177,19 @@ int config_parse_net_condition(const char *unit,
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);
@@ -234,22 +197,27 @@ int config_parse_ifnames(const char *unit,
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;
@@ -305,6 +273,8 @@ int config_parse_hwaddr(const char *unit,
void *userdata) {
struct ether_addr **hwaddr = data;
struct ether_addr *n;
+ const char *start;
+ size_t offset;
int r;
assert(filename);
@@ -316,14 +286,10 @@ int config_parse_hwaddr(const char *unit,
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;
@@ -335,6 +301,36 @@ int config_parse_hwaddr(const char *unit,
return 0;
}
+int config_parse_iaid(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) {
+ uint32_t iaid;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = safe_atou32(rvalue, &iaid);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r,
+ "Unable to read IAID, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ *((uint32_t *)data) = iaid;
+
+ return 0;
+}
+
void serialize_in_addrs(FILE *f, const struct in_addr *addresses, size_t size) {
unsigned i;
@@ -350,32 +346,32 @@ void serialize_in_addrs(FILE *f, const struct in_addr *addresses, size_t size) {
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;
- size ++;
+ size++;
}
*ret = addresses;
@@ -401,28 +397,28 @@ void serialize_in6_addrs(FILE *f, const struct in6_addr *addresses,
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;
@@ -463,29 +459,29 @@ void serialize_dhcp_routes(FILE *f, const char *key, sd_dhcp_route **routes, siz
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, '/');
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-18 18:15:44 +0000