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-rw-r--r--include/utils.h383
1 files changed, 383 insertions, 0 deletions
diff --git a/include/utils.h b/include/utils.h
new file mode 100644
index 0000000..2eb80b3
--- /dev/null
+++ b/include/utils.h
@@ -0,0 +1,383 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __UTILS_H__
+#define __UTILS_H__ 1
+
+#include <sys/types.h>
+#include <asm/types.h>
+#include <resolv.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+#include <stdint.h>
+
+#ifdef HAVE_LIBBSD
+#include <bsd/string.h>
+#endif
+
+#include "libnetlink.h"
+#include "ll_map.h"
+#include "rtm_map.h"
+#include "json_print.h"
+
+extern int preferred_family;
+extern int human_readable;
+extern int show_stats;
+extern int show_details;
+extern int show_raw;
+extern int resolve_hosts;
+extern int oneline;
+extern int brief;
+extern int json;
+extern int pretty;
+extern int timestamp;
+extern int timestamp_short;
+extern const char * _SL_;
+extern int max_flush_loops;
+extern int batch_mode;
+extern int numeric;
+extern bool do_all;
+extern int echo_request;
+
+#ifndef CONFDIR
+#define CONFDIR "/etc/iproute2"
+#endif
+
+#define SPRINT_BSIZE 64
+#define SPRINT_BUF(x) char x[SPRINT_BSIZE]
+
+void incomplete_command(void) __attribute__((noreturn));
+
+#define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
+#define NEXT_ARG_OK() (argc - 1 > 0)
+#define NEXT_ARG_FWD() do { argv++; argc--; } while(0)
+#define PREV_ARG() do { argv--; argc++; } while(0)
+
+/* Upper limit for batch mode */
+#define MAX_ARGS 512
+
+#define TIME_UNITS_PER_SEC 1000000
+#define NSEC_PER_USEC 1000
+#define NSEC_PER_MSEC 1000000
+#define NSEC_PER_SEC 1000000000LL
+
+typedef struct
+{
+ __u16 flags;
+ __u16 bytelen;
+ __s16 bitlen;
+ /* These next two fields match rtvia */
+ __u16 family;
+ __u32 data[64];
+} inet_prefix;
+
+enum {
+ PREFIXLEN_SPECIFIED = (1 << 0),
+ ADDRTYPE_INET = (1 << 1),
+ ADDRTYPE_UNSPEC = (1 << 2),
+ ADDRTYPE_MULTI = (1 << 3),
+
+ ADDRTYPE_INET_UNSPEC = ADDRTYPE_INET | ADDRTYPE_UNSPEC,
+ ADDRTYPE_INET_MULTI = ADDRTYPE_INET | ADDRTYPE_MULTI
+};
+
+static inline void inet_prefix_reset(inet_prefix *p)
+{
+ p->flags = 0;
+}
+
+static inline bool is_addrtype_inet(const inet_prefix *p)
+{
+ return p->flags & ADDRTYPE_INET;
+}
+
+static inline bool is_addrtype_inet_unspec(const inet_prefix *p)
+{
+ return (p->flags & ADDRTYPE_INET_UNSPEC) == ADDRTYPE_INET_UNSPEC;
+}
+
+static inline bool is_addrtype_inet_multi(const inet_prefix *p)
+{
+ return (p->flags & ADDRTYPE_INET_MULTI) == ADDRTYPE_INET_MULTI;
+}
+
+static inline bool is_addrtype_inet_not_unspec(const inet_prefix *p)
+{
+ return (p->flags & ADDRTYPE_INET_UNSPEC) == ADDRTYPE_INET;
+}
+
+static inline bool is_addrtype_inet_not_multi(const inet_prefix *p)
+{
+ return (p->flags & ADDRTYPE_INET_MULTI) == ADDRTYPE_INET;
+}
+
+#ifndef AF_MPLS
+# define AF_MPLS 28
+#endif
+#ifndef IPPROTO_MPLS
+#define IPPROTO_MPLS 137
+#endif
+
+#ifndef CLOCK_TAI
+# define CLOCK_TAI 11
+#endif
+
+#ifndef AF_XDP
+# define AF_XDP 44
+# if AF_MAX < 45
+# undef AF_MAX
+# define AF_MAX 45
+# endif
+#endif
+
+__u32 get_addr32(const char *name);
+int get_addr_1(inet_prefix *dst, const char *arg, int family);
+int get_prefix_1(inet_prefix *dst, char *arg, int family);
+int get_addr(inet_prefix *dst, const char *arg, int family);
+int get_prefix(inet_prefix *dst, char *arg, int family);
+int mask2bits(__u32 netmask);
+int get_addr_rta(inet_prefix *dst, const struct rtattr *rta, int family);
+int get_addr_ila(__u64 *val, const char *arg);
+
+int read_prop(const char *dev, char *prop, long *value);
+int get_hex(char c);
+int get_integer(int *val, const char *arg, int base);
+int get_unsigned(unsigned *val, const char *arg, int base);
+int get_time_rtt(unsigned *val, const char *arg, int *raw);
+#define get_byte get_u8
+#define get_ushort get_u16
+#define get_short get_s16
+int get_s64(__s64 *val, const char *arg, int base);
+int get_u64(__u64 *val, const char *arg, int base);
+int get_u32(__u32 *val, const char *arg, int base);
+int get_s32(__s32 *val, const char *arg, int base);
+int get_u16(__u16 *val, const char *arg, int base);
+int get_u8(__u8 *val, const char *arg, int base);
+int get_be64(__be64 *val, const char *arg, int base);
+int get_be32(__be32 *val, const char *arg, int base);
+int get_be16(__be16 *val, const char *arg, int base);
+int get_addr64(__u64 *ap, const char *cp);
+int get_rate(unsigned int *rate, const char *str);
+int get_rate64(__u64 *rate, const char *str);
+int get_size(unsigned int *size, const char *str);
+
+int hex2mem(const char *buf, uint8_t *mem, int count);
+char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
+__u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len);
+#define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")
+int addr64_n2a(__u64 addr, char *buff, size_t len);
+
+int af_bit_len(int af);
+
+const char *format_host_r(int af, int len, const void *addr,
+ char *buf, int buflen);
+#define format_host_rta_r(af, rta, buf, buflen) \
+ format_host_r(af, RTA_PAYLOAD(rta), RTA_DATA(rta), \
+ buf, buflen)
+
+const char *format_host(int af, int lne, const void *addr);
+#define format_host_rta(af, rta) \
+ format_host(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
+const char *rt_addr_n2a_r(int af, int len, const void *addr,
+ char *buf, int buflen);
+const char *rt_addr_n2a(int af, int len, const void *addr);
+#define rt_addr_n2a_rta(af, rta) \
+ rt_addr_n2a(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
+
+int read_family(const char *name);
+const char *family_name(int family);
+
+void missarg(const char *) __attribute__((noreturn));
+void invarg(const char *, const char *) __attribute__((noreturn));
+void duparg(const char *, const char *) __attribute__((noreturn));
+void duparg2(const char *, const char *) __attribute__((noreturn));
+int nodev(const char *dev);
+int check_ifname(const char *);
+int check_altifname(const char *name);
+int get_ifname(char *, const char *);
+const char *get_ifname_rta(int ifindex, const struct rtattr *rta);
+bool matches(const char *prefix, const char *string);
+int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
+int inet_addr_match_rta(const inet_prefix *m, const struct rtattr *rta);
+
+const char *ax25_ntop(int af, const void *addr, char *str, socklen_t len);
+
+const char *rose_ntop(int af, const void *addr, char *buf, socklen_t buflen);
+
+const char *mpls_ntop(int af, const void *addr, char *str, size_t len);
+int mpls_pton(int af, const char *src, void *addr, size_t alen);
+
+const char *netrom_ntop(int af, const void *addr, char *str, socklen_t len);
+
+extern int __iproute2_hz_internal;
+int __get_hz(void);
+
+static __inline__ int get_hz(void)
+{
+ if (__iproute2_hz_internal == 0)
+ __iproute2_hz_internal = __get_hz();
+ return __iproute2_hz_internal;
+}
+
+extern int __iproute2_user_hz_internal;
+int __get_user_hz(void);
+
+static __inline__ int get_user_hz(void)
+{
+ if (__iproute2_user_hz_internal == 0)
+ __iproute2_user_hz_internal = __get_user_hz();
+ return __iproute2_user_hz_internal;
+}
+
+static inline __u32 nl_mgrp(__u32 group)
+{
+ if (group > 31 ) {
+ fprintf(stderr, "Use setsockopt for this group %d\n", group);
+ exit(-1);
+ }
+ return group ? (1 << (group - 1)) : 0;
+}
+
+/* courtesy of bridge-utils */
+static inline unsigned long __tv_to_jiffies(const struct timeval *tv)
+{
+ unsigned long long jif;
+
+ jif = 1000000ULL * tv->tv_sec + tv->tv_usec;
+
+ return jif/10000;
+}
+
+static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies)
+{
+ unsigned long long tvusec;
+
+ tvusec = 10000ULL*jiffies;
+ tv->tv_sec = tvusec/1000000;
+ tv->tv_usec = tvusec - 1000000 * tv->tv_sec;
+}
+
+void print_escape_buf(const __u8 *buf, size_t len, const char *escape);
+
+int print_timestamp(FILE *fp);
+void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n);
+
+unsigned int print_name_and_link(const char *fmt,
+ const char *name, struct rtattr *tb[])
+ __attribute__((format(printf, 1, 0)));
+
+
+#define BIT(nr) (UINT64_C(1) << (nr))
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+#define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
+
+#ifndef offsetof
+# define offsetof(type, member) ((size_t) &((type *)0)->member)
+#endif
+
+#ifndef min
+# define min(x, y) ({ \
+ typeof(x) _min1 = (x); \
+ typeof(y) _min2 = (y); \
+ (void) (&_min1 == &_min2); \
+ _min1 < _min2 ? _min1 : _min2; })
+#endif
+
+#ifndef __check_format_string
+# define __check_format_string(pos_str, pos_args) \
+ __attribute__ ((format (printf, (pos_str), (pos_args))))
+#endif
+
+#define _textify(x) #x
+#define textify(x) _textify(x)
+
+#define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32))
+#define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32))
+
+extern int cmdlineno;
+ssize_t getcmdline(char **line, size_t *len, FILE *in);
+int makeargs(char *line, char *argv[], int maxargs);
+
+char *int_to_str(int val, char *buf);
+int get_guid(__u64 *guid, const char *arg);
+int get_real_family(int rtm_type, int rtm_family);
+
+int cmd_exec(const char *cmd, char **argv, bool do_fork,
+ int (*setup)(void *), void *arg);
+int make_path(const char *path, mode_t mode);
+char *find_cgroup2_mount(bool do_mount);
+__u64 get_cgroup2_id(const char *path);
+char *get_cgroup2_path(__u64 id, bool full);
+int get_command_name(const char *pid, char *comm, size_t len);
+int get_task_name(pid_t pid, char *name, size_t len);
+
+int get_rtnl_link_stats_rta(struct rtnl_link_stats64 *stats64,
+ struct rtattr *tb[]);
+
+#ifdef NEED_STRLCPY
+size_t strlcpy(char *dst, const char *src, size_t size);
+size_t strlcat(char *dst, const char *src, size_t size);
+#endif
+
+void drop_cap(void);
+
+int get_time(unsigned int *time, const char *str);
+int get_time64(__s64 *time, const char *str);
+char *sprint_time(__u32 time, char *buf);
+char *sprint_time64(__s64 time, char *buf);
+
+int do_batch(const char *name, bool force,
+ int (*cmd)(int argc, char *argv[], void *user), void *user);
+
+int parse_one_of(const char *msg, const char *realval, const char * const *list,
+ size_t len, int *p_err);
+bool parse_on_off(const char *msg, const char *realval, int *p_err);
+
+int parse_mapping_num_all(__u32 *keyp, const char *key);
+int parse_mapping_gen(int *argcp, char ***argvp,
+ int (*key_cb)(__u32 *keyp, const char *key),
+ int (*mapping_cb)(__u32 key, char *value, void *data),
+ void *mapping_cb_data);
+int parse_mapping(int *argcp, char ***argvp, bool allow_all,
+ int (*mapping_cb)(__u32 key, char *value, void *data),
+ void *mapping_cb_data);
+
+struct str_num_map {
+ const char *str;
+ unsigned int num;
+};
+
+int str_map_lookup_str(const struct str_num_map *map, const char *needle);
+const char *str_map_lookup_uint(const struct str_num_map *map,
+ unsigned int val);
+const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val);
+const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val);
+
+unsigned int get_str_char_count(const char *str, int match);
+int str_split_by_char(char *str, char **before, char **after, int match);
+
+#define INDENT_STR_MAXLEN 32
+
+struct indent_mem {
+ int indent_level;
+ char indent_str[INDENT_STR_MAXLEN + 1];
+};
+
+struct indent_mem *alloc_indent_mem(void);
+void free_indent_mem(struct indent_mem *mem);
+void inc_indent(struct indent_mem *mem);
+void dec_indent(struct indent_mem *mem);
+void print_indent(struct indent_mem *mem);
+
+struct proto {
+ int id;
+ const char *name;
+};
+
+int proto_a2n(unsigned short *id, const char *buf,
+ const struct proto *proto_tb, size_t tb_len);
+const char *proto_n2a(unsigned short id, char *buf, int len,
+ const struct proto *proto_tb, size_t tb_len);
+
+#endif /* __UTILS_H__ */
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