blob: 856ef0dadef46c364e6e2840fadbde38e5221d6c [file] [log] [blame]
David Carlier8167f302015-06-01 13:50:06 +02001#include <stdio.h>
2
3#include <common/cfgparse.h>
Willy Tarreau876054d2016-12-21 20:39:16 +01004#include <common/errors.h>
Willy Tarreauf63386a2015-06-01 15:39:50 +02005#include <proto/arg.h>
David Carlier8167f302015-06-01 13:50:06 +02006#include <proto/log.h>
David Carlier608c65a2015-09-25 14:16:30 +01007#include <proto/proto_http.h>
Willy Tarreauf63386a2015-06-01 15:39:50 +02008#include <proto/sample.h>
Willy Tarreaubee9dde2016-12-21 21:25:06 +01009#include <dac.h>
10
11static struct {
12 void *atlasimgptr;
13 char *jsonpath;
14 char *cookiename;
15 size_t cookienamelen;
16 da_atlas_t atlas;
17 da_evidence_id_t useragentid;
18 da_severity_t loglevel;
19 char separator;
20 unsigned char daset:1;
21} global_deviceatlas = {
22 .loglevel = 0,
23 .jsonpath = 0,
24 .cookiename = 0,
25 .cookienamelen = 0,
26 .useragentid = 0,
27 .daset = 0,
28 .separator = '|',
29};
David Carlier8167f302015-06-01 13:50:06 +020030
31static int da_json_file(char **args, int section_type, struct proxy *curpx,
32 struct proxy *defpx, const char *file, int line,
33 char **err)
34{
35 if (*(args[1]) == 0) {
36 memprintf(err, "deviceatlas json file : expects a json path.\n");
37 return -1;
38 }
Willy Tarreaubee9dde2016-12-21 21:25:06 +010039 global_deviceatlas.jsonpath = strdup(args[1]);
David Carlier8167f302015-06-01 13:50:06 +020040 return 0;
41}
42
43static int da_log_level(char **args, int section_type, struct proxy *curpx,
44 struct proxy *defpx, const char *file, int line,
45 char **err)
46{
47 int loglevel;
48 if (*(args[1]) == 0) {
49 memprintf(err, "deviceatlas log level : expects an integer argument.\n");
50 return -1;
51 }
52
53 loglevel = atol(args[1]);
54 if (loglevel < 0 || loglevel > 3) {
55 memprintf(err, "deviceatlas log level : expects a log level between 0 and 3, %s given.\n", args[1]);
56 } else {
Willy Tarreaubee9dde2016-12-21 21:25:06 +010057 global_deviceatlas.loglevel = (da_severity_t)loglevel;
David Carlier8167f302015-06-01 13:50:06 +020058 }
59
60 return 0;
61}
62
63static int da_property_separator(char **args, int section_type, struct proxy *curpx,
64 struct proxy *defpx, const char *file, int line,
65 char **err)
66{
67 if (*(args[1]) == 0) {
68 memprintf(err, "deviceatlas property separator : expects a character argument.\n");
69 return -1;
70 }
Willy Tarreaubee9dde2016-12-21 21:25:06 +010071 global_deviceatlas.separator = *args[1];
David Carlier8167f302015-06-01 13:50:06 +020072 return 0;
73}
74
David Carlier608c65a2015-09-25 14:16:30 +010075static int da_properties_cookie(char **args, int section_type, struct proxy *curpx,
76 struct proxy *defpx, const char *file, int line,
77 char **err)
78{
79 if (*(args[1]) == 0) {
80 memprintf(err, "deviceatlas cookie name : expects a string argument.\n");
81 return -1;
82 } else {
Willy Tarreaubee9dde2016-12-21 21:25:06 +010083 global_deviceatlas.cookiename = strdup(args[1]);
David Carlier608c65a2015-09-25 14:16:30 +010084 }
Willy Tarreaubee9dde2016-12-21 21:25:06 +010085 global_deviceatlas.cookienamelen = strlen(global_deviceatlas.cookiename);
David Carlier608c65a2015-09-25 14:16:30 +010086 return 0;
87}
88
David Carlier8167f302015-06-01 13:50:06 +020089static size_t da_haproxy_read(void *ctx, size_t len, char *buf)
90{
91 return fread(buf, 1, len, ctx);
92}
93
94static da_status_t da_haproxy_seek(void *ctx, off_t off)
95{
96 return fseek(ctx, off, SEEK_SET) != -1 ? DA_OK : DA_SYS;
97}
98
99static void da_haproxy_log(da_severity_t severity, da_status_t status,
100 const char *fmt, va_list args)
101{
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100102 if (global_deviceatlas.loglevel && severity <= global_deviceatlas.loglevel) {
David Carlier8167f302015-06-01 13:50:06 +0200103 char logbuf[256];
104 vsnprintf(logbuf, sizeof(logbuf), fmt, args);
105 Warning("deviceatlas : %s.\n", logbuf);
106 }
107}
108
David Carlier608c65a2015-09-25 14:16:30 +0100109#define DA_COOKIENAME_DEFAULT "DAPROPS"
110
Willy Tarreau876054d2016-12-21 20:39:16 +0100111/*
112 * module init / deinit functions. Returns 0 if OK, or a combination of ERR_*.
113 */
114static int init_deviceatlas(void)
David Carlier8167f302015-06-01 13:50:06 +0200115{
Willy Tarreau876054d2016-12-21 20:39:16 +0100116 int err_code = 0;
117
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100118 if (global_deviceatlas.jsonpath != 0) {
David Carlier8167f302015-06-01 13:50:06 +0200119 FILE *jsonp;
120 da_property_decl_t extraprops[] = {{0, 0}};
121 size_t atlasimglen;
122 da_status_t status;
123
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100124 jsonp = fopen(global_deviceatlas.jsonpath, "r");
David Carlier8167f302015-06-01 13:50:06 +0200125 if (jsonp == 0) {
126 Alert("deviceatlas : '%s' json file has invalid path or is not readable.\n",
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100127 global_deviceatlas.jsonpath);
Willy Tarreau876054d2016-12-21 20:39:16 +0100128 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier8167f302015-06-01 13:50:06 +0200129 goto out;
130 }
131
132 da_init();
133 da_seterrorfunc(da_haproxy_log);
134 status = da_atlas_compile(jsonp, da_haproxy_read, da_haproxy_seek,
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100135 &global_deviceatlas.atlasimgptr, &atlasimglen);
David Carlier8167f302015-06-01 13:50:06 +0200136 fclose(jsonp);
137 if (status != DA_OK) {
138 Alert("deviceatlas : '%s' json file is invalid.\n",
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100139 global_deviceatlas.jsonpath);
Willy Tarreau876054d2016-12-21 20:39:16 +0100140 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier8167f302015-06-01 13:50:06 +0200141 goto out;
142 }
143
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100144 status = da_atlas_open(&global_deviceatlas.atlas, extraprops,
145 global_deviceatlas.atlasimgptr, atlasimglen);
David Carlier8167f302015-06-01 13:50:06 +0200146
147 if (status != DA_OK) {
148 Alert("deviceatlas : data could not be compiled.\n");
Willy Tarreau876054d2016-12-21 20:39:16 +0100149 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier8167f302015-06-01 13:50:06 +0200150 goto out;
151 }
152
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100153 if (global_deviceatlas.cookiename == 0) {
154 global_deviceatlas.cookiename = strdup(DA_COOKIENAME_DEFAULT);
155 global_deviceatlas.cookienamelen = strlen(global_deviceatlas.cookiename);
David Carlier608c65a2015-09-25 14:16:30 +0100156 }
157
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100158 global_deviceatlas.useragentid = da_atlas_header_evidence_id(&global_deviceatlas.atlas,
David Carlier8167f302015-06-01 13:50:06 +0200159 "user-agent");
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100160 global_deviceatlas.daset = 1;
David Carlier8167f302015-06-01 13:50:06 +0200161
162 fprintf(stdout, "Deviceatlas module loaded.\n");
163 }
164
165out:
Willy Tarreau876054d2016-12-21 20:39:16 +0100166 return err_code;
David Carlier8167f302015-06-01 13:50:06 +0200167}
168
Willy Tarreaub149eed2016-12-21 21:03:49 +0100169static void deinit_deviceatlas(void)
David Carlier8167f302015-06-01 13:50:06 +0200170{
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100171 if (global_deviceatlas.jsonpath != 0) {
172 free(global_deviceatlas.jsonpath);
David Carlier8167f302015-06-01 13:50:06 +0200173 }
174
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100175 if (global_deviceatlas.daset == 1) {
176 free(global_deviceatlas.cookiename);
177 da_atlas_close(&global_deviceatlas.atlas);
178 free(global_deviceatlas.atlasimgptr);
David Carlier8167f302015-06-01 13:50:06 +0200179 }
180
181 da_fini();
182}
183
David Carlier608c65a2015-09-25 14:16:30 +0100184static int da_haproxy(const struct arg *args, struct sample *smp, da_deviceinfo_t *devinfo)
David Carlier8167f302015-06-01 13:50:06 +0200185{
186 struct chunk *tmp;
David Carlier8167f302015-06-01 13:50:06 +0200187 da_propid_t prop, *pprop;
David Carlier8167f302015-06-01 13:50:06 +0200188 da_status_t status;
David Carlier608c65a2015-09-25 14:16:30 +0100189 da_type_t proptype;
190 const char *propname;
David Carlier8167f302015-06-01 13:50:06 +0200191 int i;
192
David Carlier8167f302015-06-01 13:50:06 +0200193 tmp = get_trash_chunk();
194 chunk_reset(tmp);
195
David Carlier8167f302015-06-01 13:50:06 +0200196 propname = (const char *)args[0].data.str.str;
197 i = 0;
198
David Carlier8167f302015-06-01 13:50:06 +0200199 for (; propname != 0; i ++, propname = (const char *)args[i].data.str.str) {
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100200 status = da_atlas_getpropid(&global_deviceatlas.atlas,
David Carlier8167f302015-06-01 13:50:06 +0200201 propname, &prop);
202 if (status != DA_OK) {
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100203 chunk_appendf(tmp, "%c", global_deviceatlas.separator);
David Carlier8167f302015-06-01 13:50:06 +0200204 continue;
205 }
206 pprop = &prop;
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100207 da_atlas_getproptype(&global_deviceatlas.atlas, *pprop, &proptype);
David Carlier8167f302015-06-01 13:50:06 +0200208
209 switch (proptype) {
210 case DA_TYPE_BOOLEAN: {
211 bool val;
David Carlier608c65a2015-09-25 14:16:30 +0100212 status = da_getpropboolean(devinfo, *pprop, &val);
David Carlier8167f302015-06-01 13:50:06 +0200213 if (status == DA_OK) {
214 chunk_appendf(tmp, "%d", val);
215 }
216 break;
217 }
218 case DA_TYPE_INTEGER:
219 case DA_TYPE_NUMBER: {
220 long val;
David Carlier608c65a2015-09-25 14:16:30 +0100221 status = da_getpropinteger(devinfo, *pprop, &val);
David Carlier8167f302015-06-01 13:50:06 +0200222 if (status == DA_OK) {
223 chunk_appendf(tmp, "%ld", val);
224 }
225 break;
226 }
227 case DA_TYPE_STRING: {
228 const char *val;
David Carlier608c65a2015-09-25 14:16:30 +0100229 status = da_getpropstring(devinfo, *pprop, &val);
David Carlier8167f302015-06-01 13:50:06 +0200230 if (status == DA_OK) {
231 chunk_appendf(tmp, "%s", val);
232 }
233 break;
David Carlier608c65a2015-09-25 14:16:30 +0100234 }
David Carlier8167f302015-06-01 13:50:06 +0200235 default:
236 break;
237 }
238
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100239 chunk_appendf(tmp, "%c", global_deviceatlas.separator);
David Carlier8167f302015-06-01 13:50:06 +0200240 }
241
David Carlier608c65a2015-09-25 14:16:30 +0100242 da_close(devinfo);
David Carlier8167f302015-06-01 13:50:06 +0200243
244 if (tmp->len) {
245 --tmp->len;
246 tmp->str[tmp->len] = 0;
247 }
248
Thierry FOURNIER136f9d32015-08-19 09:07:19 +0200249 smp->data.u.str.str = tmp->str;
David Carlier608c65a2015-09-25 14:16:30 +0100250 smp->data.u.str.len = tmp->len;
David Carlier8167f302015-06-01 13:50:06 +0200251
252 return 1;
253}
254
David Carlier608c65a2015-09-25 14:16:30 +0100255static int da_haproxy_conv(const struct arg *args, struct sample *smp, void *private)
256{
257 da_deviceinfo_t devinfo;
258 da_status_t status;
259 const char *useragent;
260 char useragentbuf[1024] = { 0 };
261 int i;
262
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100263 if (global_deviceatlas.daset == 0 || smp->data.u.str.len == 0) {
David Carlier608c65a2015-09-25 14:16:30 +0100264 return 1;
265 }
266
267 i = smp->data.u.str.len > sizeof(useragentbuf) ? sizeof(useragentbuf) : smp->data.u.str.len;
268 memcpy(useragentbuf, smp->data.u.str.str, i - 1);
269 useragentbuf[i - 1] = 0;
270
271 useragent = (const char *)useragentbuf;
272
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100273 status = da_search(&global_deviceatlas.atlas, &devinfo,
274 global_deviceatlas.useragentid, useragent, 0);
David Carlier608c65a2015-09-25 14:16:30 +0100275
276 return status != DA_OK ? 0 : da_haproxy(args, smp, &devinfo);
277}
278
279#define DA_MAX_HEADERS 24
280
281static int da_haproxy_fetch(const struct arg *args, struct sample *smp, const char *kw, void *private)
282{
283 struct hdr_idx *hidx;
284 struct hdr_ctx hctx;
285 const struct http_msg *hmsg;
286 da_evidence_t ev[DA_MAX_HEADERS];
287 da_deviceinfo_t devinfo;
288 da_status_t status;
289 char vbuf[DA_MAX_HEADERS][1024] = {{ 0 }};
290 int i, nbh = 0;
291
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100292 if (global_deviceatlas.daset == 0) {
David Carlier608c65a2015-09-25 14:16:30 +0100293 return 1;
294 }
295
296 CHECK_HTTP_MESSAGE_FIRST();
297 smp->data.type = SMP_T_STR;
298
299 /**
300 * Here we go through the whole list of headers from start
301 * they will be filtered via the DeviceAtlas API itself
302 */
303 hctx.idx = 0;
304 hidx = &smp->strm->txn->hdr_idx;
305 hmsg = &smp->strm->txn->req;
306
307 while (http_find_next_header(hmsg->chn->buf->p, hidx, &hctx) == 1 &&
308 nbh < DA_MAX_HEADERS) {
309 char *pval;
310 size_t vlen;
311 da_evidence_id_t evid = -1;
312 char hbuf[24] = { 0 };
313
314 /* The HTTP headers used by the DeviceAtlas API are not longer */
315 if (hctx.del >= sizeof(hbuf)) {
316 continue;
317 }
318
319 vlen = hctx.vlen;
320 memcpy(hbuf, hctx.line, hctx.del);
321 hbuf[hctx.del] = 0;
322 pval = (hctx.line + hctx.val);
323
324 if (strcmp(hbuf, "Accept-Language") == 0) {
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100325 evid = da_atlas_accept_language_evidence_id(&global_deviceatlas.
David Carlier608c65a2015-09-25 14:16:30 +0100326 atlas);
327 } else if (strcmp(hbuf, "Cookie") == 0) {
328 char *p, *eval;
329 int pl;
330
331 eval = pval + hctx.vlen;
332 /**
333 * The cookie value, if it exists, is located between the current header's
334 * value position and the next one
335 */
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100336 if (extract_cookie_value(pval, eval, global_deviceatlas.cookiename,
337 global_deviceatlas.cookienamelen, 1, &p, &pl) == NULL) {
David Carlier608c65a2015-09-25 14:16:30 +0100338 continue;
339 }
340
341 vlen = (size_t)pl;
342 pval = p;
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100343 evid = da_atlas_clientprop_evidence_id(&global_deviceatlas.atlas);
David Carlier608c65a2015-09-25 14:16:30 +0100344 } else {
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100345 evid = da_atlas_header_evidence_id(&global_deviceatlas.atlas,
David Carlier608c65a2015-09-25 14:16:30 +0100346 hbuf);
347 }
348
349 if (evid == -1) {
350 continue;
351 }
352
353 i = vlen > sizeof(vbuf[nbh]) ? sizeof(vbuf[nbh]) : vlen;
354 memcpy(vbuf[nbh], pval, i - 1);
355 vbuf[nbh][i - 1] = 0;
356 ev[nbh].key = evid;
357 ev[nbh].value = vbuf[nbh];
358 ev[nbh].value[vlen] = 0;
359 ++ nbh;
360 }
361
Willy Tarreaubee9dde2016-12-21 21:25:06 +0100362 status = da_searchv(&global_deviceatlas.atlas, &devinfo,
David Carlier608c65a2015-09-25 14:16:30 +0100363 ev, nbh);
364
365 return status != DA_OK ? 0 : da_haproxy(args, smp, &devinfo);
366}
367
Willy Tarreau0d74f772015-06-01 15:42:29 +0200368static struct cfg_kw_list dacfg_kws = {{ }, {
369 { CFG_GLOBAL, "deviceatlas-json-file", da_json_file },
370 { CFG_GLOBAL, "deviceatlas-log-level", da_log_level },
371 { CFG_GLOBAL, "deviceatlas-property-separator", da_property_separator },
David Carlier608c65a2015-09-25 14:16:30 +0100372 { CFG_GLOBAL, "deviceatlas-properties-cookie", da_properties_cookie },
Willy Tarreau0d74f772015-06-01 15:42:29 +0200373 { 0, NULL, NULL },
374}};
375
Willy Tarreauf63386a2015-06-01 15:39:50 +0200376/* Note: must not be declared <const> as its list will be overwritten */
David Carlier608c65a2015-09-25 14:16:30 +0100377static struct sample_fetch_kw_list fetch_kws = {ILH, {
David Carlier840b0242016-03-16 10:09:55 +0000378 { "da-csv-fetch", da_haproxy_fetch, ARG12(1,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR), NULL, SMP_T_STR, SMP_USE_HRQHV },
David Carlier608c65a2015-09-25 14:16:30 +0100379 { NULL, NULL, 0, 0, 0 },
380}};
381
382/* Note: must not be declared <const> as its list will be overwritten */
Willy Tarreauf63386a2015-06-01 15:39:50 +0200383static struct sample_conv_kw_list conv_kws = {ILH, {
David Carlier840b0242016-03-16 10:09:55 +0000384 { "da-csv-conv", da_haproxy_conv, ARG12(1,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR), NULL, SMP_T_STR, SMP_T_STR },
Willy Tarreauf63386a2015-06-01 15:39:50 +0200385 { NULL, NULL, 0, 0, 0 },
386}};
387
388__attribute__((constructor))
389static void __da_init(void)
390{
391 /* register sample fetch and format conversion keywords */
David Carlier608c65a2015-09-25 14:16:30 +0100392 sample_register_fetches(&fetch_kws);
Willy Tarreauf63386a2015-06-01 15:39:50 +0200393 sample_register_convs(&conv_kws);
Willy Tarreau0d74f772015-06-01 15:42:29 +0200394 cfg_register_keywords(&dacfg_kws);
Willy Tarreau3dd483e2016-12-21 18:50:22 +0100395 hap_register_build_opts("Built with DeviceAtlas support.", 0);
Willy Tarreau876054d2016-12-21 20:39:16 +0100396 hap_register_post_check(init_deviceatlas);
Willy Tarreaub149eed2016-12-21 21:03:49 +0100397 hap_register_post_deinit(deinit_deviceatlas);
Willy Tarreauf63386a2015-06-01 15:39:50 +0200398}