1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
#ifndef NFTABLES_NFTABLES_H
#define NFTABLES_NFTABLES_H
#include <stdbool.h>
#include <stdarg.h>
#include <limits.h>
#include <utils.h>
#include <nftables/libnftables.h>
struct cookie {
FILE *fp;
FILE *orig_fp;
char *buf;
size_t buflen;
size_t pos;
};
struct symbol_tables {
const struct symbol_table *mark;
const struct symbol_table *devgroup;
const struct symbol_table *ct_label;
const struct symbol_table *realm;
};
struct output_ctx {
unsigned int flags;
union {
FILE *output_fp;
struct cookie output_cookie;
};
union {
FILE *error_fp;
struct cookie error_cookie;
};
struct symbol_tables tbl;
};
static inline bool nft_output_reversedns(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_REVERSEDNS;
}
static inline bool nft_output_service(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_SERVICE;
}
static inline bool nft_output_stateless(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_STATELESS;
}
static inline bool nft_output_handle(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_HANDLE;
}
static inline bool nft_output_json(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_JSON;
}
static inline bool nft_output_echo(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_ECHO;
}
static inline bool nft_output_guid(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_GUID;
}
static inline bool nft_output_seconds(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_NUMERIC_TIME;
}
static inline bool nft_output_numeric_proto(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_NUMERIC_PROTO;
}
static inline bool nft_output_numeric_prio(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_NUMERIC_PRIO;
}
static inline bool nft_output_numeric_symbol(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_NUMERIC_SYMBOL;
}
static inline bool nft_output_terse(const struct output_ctx *octx)
{
return octx->flags & NFT_CTX_OUTPUT_TERSE;
}
struct nft_cache {
uint32_t genid;
struct list_head list;
uint32_t seqnum;
uint32_t flags;
};
struct mnl_socket;
struct parser_state;
struct scope;
#define MAX_INCLUDE_DEPTH 16
struct nft_ctx {
struct mnl_socket *nf_sock;
char **include_paths;
unsigned int num_include_paths;
unsigned int parser_max_errors;
unsigned int debug_mask;
struct output_ctx output;
bool check;
struct nft_cache cache;
uint32_t flags;
struct parser_state *state;
void *scanner;
struct scope *top_scope;
void *json_root;
FILE *f[MAX_INCLUDE_DEPTH];
};
enum nftables_exit_codes {
NFT_EXIT_SUCCESS = 0,
NFT_EXIT_FAILURE = 1,
NFT_EXIT_NOMEM = 2,
NFT_EXIT_NONL = 3,
};
struct input_descriptor;
struct location {
const struct input_descriptor *indesc;
union {
struct {
off_t token_offset;
off_t line_offset;
unsigned int first_line;
unsigned int last_line;
unsigned int first_column;
unsigned int last_column;
};
struct {
const void *nle;
};
};
};
extern const struct location internal_location;
/**
* enum input_descriptor_types
*
* @INDESC_INVALID: invalid
* @INDESC_INTERNAL: dummy type for internally generated messages
* @INDESC_BUFFER: buffer (command line arguments)
* @INDESC_FILE: file
* @INDESC_CLI: command line interface
* @INDESC_NETLINK: received from netlink
*/
enum input_descriptor_types {
INDESC_INVALID,
INDESC_INTERNAL,
INDESC_BUFFER,
INDESC_FILE,
INDESC_CLI,
INDESC_NETLINK,
};
/**
* struct input_descriptor
*
* @location: location, used for include statements
* @type: input descriptor type
* @name: name describing the input
* @union: buffer or file descriptor, depending on type
* @lineno: current line number in the input
* @column: current column in the input
* @token_offset: offset of the current token to the beginning
* @line_offset: offset of the current line to the beginning
*/
struct input_descriptor {
struct list_head list;
struct location location;
enum input_descriptor_types type;
const char *name;
const char *data;
unsigned int lineno;
unsigned int column;
off_t token_offset;
off_t line_offset;
};
void ct_label_table_init(struct nft_ctx *ctx);
void mark_table_init(struct nft_ctx *ctx);
void gmp_init(void);
void realm_table_rt_init(struct nft_ctx *ctx);
void devgroup_table_init(struct nft_ctx *ctx);
void xt_init(void);
void ct_label_table_exit(struct nft_ctx *ctx);
void mark_table_exit(struct nft_ctx *ctx);
void devgroup_table_exit(struct nft_ctx *ctx);
void realm_table_rt_exit(struct nft_ctx *ctx);
int nft_print(struct output_ctx *octx, const char *fmt, ...)
__attribute__((format(printf, 2, 3)));
int nft_gmp_print(struct output_ctx *octx, const char *fmt, ...)
__attribute__((format(printf, 2, 0)));
#define __NFT_OUTPUT_NOTSUPP UINT_MAX
#endif /* NFTABLES_NFTABLES_H */
|
