]>
Commit | Line | Data |
---|---|---|
30a4f2a8 | 1 | /* |
f43e2ec2 | 2 | * DEBUG: section 0 CGI Cache Manager |
d23f4e1b | 3 | * AUTHOR: Duane Wessels |
30a4f2a8 | 4 | * |
2b6662ba | 5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 6 | * ---------------------------------------------------------- |
30a4f2a8 | 7 | * |
2b6662ba | 8 | * Squid is the result of efforts by numerous individuals from |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 16 | * |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
3afd7aae | 21 | * |
30a4f2a8 | 22 | * This program is distributed in the hope that it will be useful, |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
3afd7aae | 26 | * |
30a4f2a8 | 27 | * You should have received a copy of the GNU General Public License |
28 | * along with this program; if not, write to the Free Software | |
cbdec147 | 29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
d23f4e1b | 30 | * |
30a4f2a8 | 31 | */ |
234967c9 | 32 | |
33 | #include "config.h" | |
234967c9 | 34 | |
30a4f2a8 | 35 | #if HAVE_UNISTD_H |
234967c9 | 36 | #include <unistd.h> |
30a4f2a8 | 37 | #endif |
38 | #if HAVE_STDLIB_H | |
234967c9 | 39 | #include <stdlib.h> |
30a4f2a8 | 40 | #endif |
41 | #if HAVE_STDIO_H | |
234967c9 | 42 | #include <stdio.h> |
30a4f2a8 | 43 | #endif |
44 | #if HAVE_SYS_TYPES_H | |
234967c9 | 45 | #include <sys/types.h> |
30a4f2a8 | 46 | #endif |
47 | #if HAVE_CTYPE_H | |
234967c9 | 48 | #include <ctype.h> |
30a4f2a8 | 49 | #endif |
50 | #if HAVE_ERRNO_H | |
234967c9 | 51 | #include <errno.h> |
30a4f2a8 | 52 | #endif |
53 | #if HAVE_FCNTL_H | |
234967c9 | 54 | #include <fcntl.h> |
30a4f2a8 | 55 | #endif |
56 | #if HAVE_GRP_H | |
234967c9 | 57 | #include <grp.h> |
30a4f2a8 | 58 | #endif |
88738790 | 59 | #if HAVE_GNUMALLOC_H |
60 | #include <gnumalloc.h> | |
482aa790 | 61 | #elif HAVE_MALLOC_H |
234967c9 | 62 | #include <malloc.h> |
983061ed | 63 | #endif |
30a4f2a8 | 64 | #if HAVE_MEMORY_H |
234967c9 | 65 | #include <memory.h> |
30a4f2a8 | 66 | #endif |
67 | #if HAVE_NETDB_H && !defined(_SQUID_NETDB_H_) /* protect NEXTSTEP */ | |
68 | #define _SQUID_NETDB_H_ | |
234967c9 | 69 | #include <netdb.h> |
30a4f2a8 | 70 | #endif |
71 | #if HAVE_PWD_H | |
234967c9 | 72 | #include <pwd.h> |
30a4f2a8 | 73 | #endif |
74 | #if HAVE_SIGNAL_H | |
234967c9 | 75 | #include <signal.h> |
30a4f2a8 | 76 | #endif |
77 | #if HAVE_TIME_H | |
234967c9 | 78 | #include <time.h> |
30a4f2a8 | 79 | #endif |
80 | #if HAVE_SYS_PARAM_H | |
234967c9 | 81 | #include <sys/param.h> |
30a4f2a8 | 82 | #endif |
83 | #if HAVE_SYS_TIME_H | |
234967c9 | 84 | #include <sys/time.h> |
30a4f2a8 | 85 | #endif |
86 | #if HAVE_SYS_RESOURCE_H | |
234967c9 | 87 | #include <sys/resource.h> /* needs sys/time.h above it */ |
30a4f2a8 | 88 | #endif |
89 | #if HAVE_SYS_SOCKET_H | |
234967c9 | 90 | #include <sys/socket.h> |
30a4f2a8 | 91 | #endif |
92 | #if HAVE_NETINET_IN_H | |
234967c9 | 93 | #include <netinet/in.h> |
30a4f2a8 | 94 | #endif |
95 | #if HAVE_ARPA_INET_H | |
234967c9 | 96 | #include <arpa/inet.h> |
30a4f2a8 | 97 | #endif |
98 | #if HAVE_SYS_STAT_H | |
234967c9 | 99 | #include <sys/stat.h> |
30a4f2a8 | 100 | #endif |
101 | #if HAVE_SYS_UN_H | |
234967c9 | 102 | #include <sys/un.h> |
30a4f2a8 | 103 | #endif |
104 | #if HAVE_SYS_WAIT_H | |
234967c9 | 105 | #include <sys/wait.h> |
30a4f2a8 | 106 | #endif |
107 | #if HAVE_LIBC_H | |
108 | #include <libc.h> | |
109 | #endif | |
110 | #if HAVE_STRING_H | |
234967c9 | 111 | #include <string.h> |
112 | #endif | |
30a4f2a8 | 113 | #if HAVE_STRINGS_H |
234967c9 | 114 | #include <strings.h> |
115 | #endif | |
234967c9 | 116 | #if HAVE_BSTRING_H |
117 | #include <bstring.h> | |
118 | #endif | |
30a4f2a8 | 119 | #if HAVE_CRYPT_H |
234967c9 | 120 | #include <crypt.h> |
121 | #endif | |
234967c9 | 122 | #if HAVE_SYS_SELECT_H |
123 | #include <sys/select.h> | |
124 | #endif | |
42ad37af | 125 | #if HAVE_FNMATCH_H |
7dcff512 | 126 | extern "C" |
127 | { | |
42ad37af | 128 | #include <fnmatch.h> |
7dcff512 | 129 | } |
42ad37af | 130 | #endif |
090089c4 | 131 | |
473471f2 | 132 | #include "util.h" |
9837e5f0 | 133 | #include "ip/IpAddress.h" |
e1f7507e | 134 | #include "getfullhostname.h" |
090089c4 | 135 | |
42ad37af | 136 | #ifndef DEFAULT_CACHEMGR_CONFIG |
b4ee1908 | 137 | #define DEFAULT_CACHEMGR_CONFIG "/etc/squid/cachemgr.conf" |
42ad37af | 138 | #endif |
139 | ||
3afd7aae | 140 | typedef struct { |
42ad37af | 141 | char *server; |
d23f4e1b | 142 | char *hostname; |
143 | int port; | |
144 | char *action; | |
7395afb8 | 145 | char *user_name; |
d23f4e1b | 146 | char *passwd; |
7395afb8 | 147 | char *pub_auth; |
2fadd50d | 148 | } cachemgr_request; |
090089c4 | 149 | |
d23f4e1b | 150 | /* |
7395afb8 | 151 | * Debugging macros (info goes to error_log on your web server) |
3afd7aae | 152 | * Note: do not run cache manager with non zero debugging level |
7395afb8 | 153 | * if you do not debug, it may write a lot of [sensitive] |
154 | * information to your error log. | |
d23f4e1b | 155 | */ |
7395afb8 | 156 | |
157 | /* debugging level 0 (disabled) - 3 (max) */ | |
158 | #define DEBUG_LEVEL 0 | |
b9bc2838 | 159 | #define debug(level) if ((level) <= DEBUG_LEVEL && DEBUG_LEVEL > 0) |
7395afb8 | 160 | |
161 | /* | |
162 | * Static variables and constants | |
163 | */ | |
2ac76861 | 164 | static const time_t passwd_ttl = 60 * 60 * 3; /* in sec */ |
0ee4272b | 165 | static const char *script_name = "/cgi-bin/cachemgr.cgi"; |
0ee4272b | 166 | static const char *progname = NULL; |
d1a43e28 | 167 | static time_t now; |
62e76326 | 168 | |
d23f4e1b | 169 | /* |
170 | * Function prototypes | |
171 | */ | |
4055bb7e | 172 | #define safe_free(str) { if (str) { xfree(str); (str) = NULL; } } |
7395afb8 | 173 | static const char *safe_str(const char *str); |
a2c963ae | 174 | static const char *xstrtok(char **str, char del); |
f5b8bbc4 | 175 | static void print_trailer(void); |
a2c963ae | 176 | static void auth_html(const char *host, int port, const char *user_name); |
d23f4e1b | 177 | static void error_html(const char *msg); |
7395afb8 | 178 | static char *menu_url(cachemgr_request * req, const char *action); |
179 | static int parse_status_line(const char *sline, const char **statusStr); | |
d23f4e1b | 180 | static cachemgr_request *read_request(void); |
181 | static char *read_get_request(void); | |
182 | static char *read_post_request(void); | |
183 | ||
2ac76861 | 184 | static void make_pub_auth(cachemgr_request * req); |
185 | static void decode_pub_auth(cachemgr_request * req); | |
186 | static void reset_auth(cachemgr_request * req); | |
187 | static const char *make_auth_header(const cachemgr_request * req); | |
7395afb8 | 188 | |
42ad37af | 189 | static int check_target_acl(const char *hostname, int port); |
190 | ||
099a1791 | 191 | #ifdef _SQUID_MSWIN_ |
192 | static int s_iInitCount = 0; | |
a760862a | 193 | |
099a1791 | 194 | int Win32SockInit(void) |
195 | { | |
196 | int iVersionRequested; | |
197 | WSADATA wsaData; | |
198 | int err; | |
199 | ||
200 | if (s_iInitCount > 0) { | |
62e76326 | 201 | s_iInitCount++; |
202 | return (0); | |
203 | } else if (s_iInitCount < 0) | |
204 | return (s_iInitCount); | |
099a1791 | 205 | |
206 | /* s_iInitCount == 0. Do the initailization */ | |
207 | iVersionRequested = MAKEWORD(2, 0); | |
62e76326 | 208 | |
099a1791 | 209 | err = WSAStartup((WORD) iVersionRequested, &wsaData); |
62e76326 | 210 | |
099a1791 | 211 | if (err) { |
62e76326 | 212 | s_iInitCount = -1; |
213 | return (s_iInitCount); | |
099a1791 | 214 | } |
62e76326 | 215 | |
099a1791 | 216 | if (LOBYTE(wsaData.wVersion) != 2 || |
62e76326 | 217 | HIBYTE(wsaData.wVersion) != 0) { |
218 | s_iInitCount = -2; | |
219 | WSACleanup(); | |
220 | return (s_iInitCount); | |
099a1791 | 221 | } |
62e76326 | 222 | |
099a1791 | 223 | s_iInitCount++; |
224 | return (s_iInitCount); | |
225 | } | |
226 | ||
227 | void Win32SockCleanup(void) | |
228 | { | |
229 | if (--s_iInitCount == 0) | |
62e76326 | 230 | WSACleanup(); |
231 | ||
099a1791 | 232 | return; |
233 | } | |
62e76326 | 234 | |
099a1791 | 235 | #endif /* ifdef _SQUID_MSWIN_ */ |
7395afb8 | 236 | |
2ac76861 | 237 | static const char * |
238 | safe_str(const char *str) | |
7395afb8 | 239 | { |
240 | return str ? str : ""; | |
241 | } | |
242 | ||
7021844c | 243 | /* relaxed number format */ |
244 | static int | |
245 | is_number(const char *str) | |
246 | { | |
247 | return strspn(str, "\t -+01234567890./\n") == strlen(str); | |
248 | } | |
249 | ||
a2c963ae | 250 | static const char * |
2ac76861 | 251 | xstrtok(char **str, char del) |
7395afb8 | 252 | { |
253 | if (*str) { | |
62e76326 | 254 | char *p = strchr(*str, del); |
255 | char *tok = *str; | |
256 | int len; | |
257 | ||
258 | if (p) { | |
259 | *str = p + 1; | |
260 | *p = '\0'; | |
261 | } else | |
262 | *str = NULL; | |
263 | ||
264 | /* trim */ | |
265 | len = strlen(tok); | |
266 | ||
267 | while (len && xisspace(tok[len - 1])) | |
268 | tok[--len] = '\0'; | |
269 | ||
270 | while (xisspace(*tok)) | |
271 | tok++; | |
272 | ||
273 | return tok; | |
7395afb8 | 274 | } else |
62e76326 | 275 | return ""; |
7395afb8 | 276 | } |
090089c4 | 277 | |
24382924 | 278 | static void |
8203a132 | 279 | print_trailer(void) |
090089c4 | 280 | { |
df339671 | 281 | printf("<HR noshade size=\"1px\">\n"); |
090089c4 | 282 | printf("<ADDRESS>\n"); |
283 | printf("Generated %s, by %s/%s@%s\n", | |
62e76326 | 284 | mkrfc1123(now), progname, VERSION, getfullhostname()); |
a8f7d3ee | 285 | printf("</ADDRESS></BODY></HTML>\n"); |
090089c4 | 286 | } |
287 | ||
24382924 | 288 | static void |
a2c963ae | 289 | auth_html(const char *host, int port, const char *user_name) |
090089c4 | 290 | { |
42ad37af | 291 | FILE *fp; |
292 | int need_host = 1; | |
293 | ||
2ac76861 | 294 | if (!user_name) |
62e76326 | 295 | user_name = ""; |
296 | ||
2ac76861 | 297 | if (!host || !strlen(host)) |
42ad37af | 298 | host = ""; |
62e76326 | 299 | |
df339671 | 300 | printf("Content-Type: text/html\r\n\r\n"); |
62e76326 | 301 | |
df339671 | 302 | printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); |
62e76326 | 303 | |
df339671 | 304 | printf("<HTML><HEAD><TITLE>Cache Manager Interface</TITLE>\n"); |
62e76326 | 305 | |
d8c0128e | 306 | printf("<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE></HEAD>\n"); |
62e76326 | 307 | |
a8f7d3ee | 308 | printf("<BODY><H1>Cache Manager Interface</H1>\n"); |
62e76326 | 309 | |
f7d9a2ad | 310 | printf("<P>This is a WWW interface to the instrumentation interface\n"); |
62e76326 | 311 | |
f7d9a2ad | 312 | printf("for the Squid object cache.</P>\n"); |
62e76326 | 313 | |
df339671 | 314 | printf("<HR noshade size=\"1px\">\n"); |
62e76326 | 315 | |
f23f96e6 | 316 | printf("<FORM METHOD=\"POST\" ACTION=\"%s\">\n", script_name); |
62e76326 | 317 | |
d980562f | 318 | printf("<TABLE BORDER=\"0\" CELLPADDING=\"10\" CELLSPACING=\"1\">\n"); |
62e76326 | 319 | |
62e76326 | 320 | |
42ad37af | 321 | fp = fopen("cachemgr.conf", "r"); |
322 | ||
323 | if (fp == NULL) | |
324 | fp = fopen(DEFAULT_CACHEMGR_CONFIG, "r"); | |
325 | ||
326 | if (fp != NULL) { | |
327 | int servers = 0; | |
328 | char config_line[BUFSIZ]; | |
329 | ||
330 | while (fgets(config_line, BUFSIZ, fp)) { | |
331 | char *server, *comment; | |
332 | strtok(config_line, "\r\n"); | |
333 | ||
334 | if (config_line[0] == '#') | |
335 | continue; | |
336 | ||
337 | if (config_line[0] == '\0') | |
338 | continue; | |
339 | ||
340 | if ((server = strtok(config_line, " \t")) == NULL) | |
341 | continue; | |
342 | ||
343 | if (strchr(server, '*') || strchr(server, '[') || strchr(server, '?')) { | |
344 | need_host = -1; | |
345 | continue; | |
346 | } | |
347 | ||
348 | comment = strtok(NULL, ""); | |
349 | ||
350 | if (comment) | |
351 | while (*comment == ' ' || *comment == '\t') | |
352 | comment++; | |
353 | ||
354 | if (!comment || !*comment) | |
355 | comment = server; | |
356 | ||
357 | if (!servers) { | |
358 | printf("<TR><TH ALIGN=\"left\">Cache Server:</TH><TD><SELECT NAME=\"server\">\n"); | |
359 | } | |
360 | ||
361 | printf("<OPTION VALUE=\"%s\"%s>%s</OPTION>\n", server, (servers || *host) ? "" : " SELECTED", comment); | |
362 | servers++; | |
363 | } | |
364 | ||
365 | if (servers) { | |
366 | if (need_host == 1 && !*host) | |
367 | need_host = 0; | |
368 | ||
369 | if (need_host) | |
370 | printf("<OPTION VALUE=\"\"%s>Other</OPTION>\n", (*host) ? " SELECTED" : ""); | |
371 | ||
372 | printf("</SELECT></TR>\n"); | |
373 | } | |
374 | ||
375 | fclose(fp); | |
376 | } | |
377 | ||
378 | if (need_host) { | |
379 | if (need_host == 1 && !*host) | |
380 | host = "localhost"; | |
381 | ||
382 | printf("<TR><TH ALIGN=\"left\">Cache Host:</TH><TD><INPUT NAME=\"host\" "); | |
62e76326 | 383 | |
42ad37af | 384 | printf("size=\"30\" VALUE=\"%s\"></TD></TR>\n", host); |
62e76326 | 385 | |
42ad37af | 386 | printf("<TR><TH ALIGN=\"left\">Cache Port:</TH><TD><INPUT NAME=\"port\" "); |
387 | ||
388 | printf("size=\"30\" VALUE=\"%d\"></TD></TR>\n", port); | |
389 | } | |
62e76326 | 390 | |
7395afb8 | 391 | printf("<TR><TH ALIGN=\"left\">Manager name:</TH><TD><INPUT NAME=\"user_name\" "); |
62e76326 | 392 | |
df339671 | 393 | printf("size=\"30\" VALUE=\"%s\"></TD></TR>\n", user_name); |
62e76326 | 394 | |
7395afb8 | 395 | printf("<TR><TH ALIGN=\"left\">Password:</TH><TD><INPUT TYPE=\"password\" NAME=\"passwd\" "); |
62e76326 | 396 | |
df339671 | 397 | printf("size=\"30\" VALUE=\"\"></TD></TR>\n"); |
62e76326 | 398 | |
7395afb8 | 399 | printf("</TABLE><BR CLEAR=\"all\">\n"); |
62e76326 | 400 | |
d23f4e1b | 401 | printf("<INPUT TYPE=\"submit\" VALUE=\"Continue...\">\n"); |
62e76326 | 402 | |
7395afb8 | 403 | printf("</FORM>\n"); |
62e76326 | 404 | |
090089c4 | 405 | print_trailer(); |
406 | } | |
407 | ||
d23f4e1b | 408 | static void |
409 | error_html(const char *msg) | |
090089c4 | 410 | { |
df339671 | 411 | printf("Content-Type: text/html\r\n\r\n"); |
412 | printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); | |
413 | printf("<HTML><HEAD><TITLE>Cache Manager Error</TITLE>\n"); | |
d8c0128e | 414 | printf("<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE></HEAD>\n"); |
d23f4e1b | 415 | printf("<BODY><H1>Cache Manager Error</H1>\n"); |
9a6a600f | 416 | printf("<P>\n%s</P>\n", html_quote(msg)); |
d23f4e1b | 417 | print_trailer(); |
090089c4 | 418 | } |
419 | ||
7395afb8 | 420 | /* returns http status extracted from status line or -1 on parsing failure */ |
421 | static int | |
422 | parse_status_line(const char *sline, const char **statusStr) | |
423 | { | |
424 | const char *sp = strchr(sline, ' '); | |
62e76326 | 425 | |
7395afb8 | 426 | if (statusStr) |
62e76326 | 427 | *statusStr = NULL; |
428 | ||
7395afb8 | 429 | if (strncasecmp(sline, "HTTP/", 5) || !sp) |
62e76326 | 430 | return -1; |
431 | ||
3d0ac046 | 432 | while (xisspace(*++sp)); |
b6a2f15e | 433 | if (!xisdigit(*sp)) |
62e76326 | 434 | return -1; |
435 | ||
7395afb8 | 436 | if (statusStr) |
62e76326 | 437 | *statusStr = sp; |
438 | ||
7395afb8 | 439 | return atoi(sp); |
440 | } | |
441 | ||
d23f4e1b | 442 | static char * |
7395afb8 | 443 | menu_url(cachemgr_request * req, const char *action) |
090089c4 | 444 | { |
d23f4e1b | 445 | static char url[1024]; |
137ee196 | 446 | snprintf(url, sizeof(url), "%s?host=%s&port=%d&user_name=%s&operation=%s&auth=%s", |
62e76326 | 447 | script_name, |
448 | req->hostname, | |
449 | req->port, | |
450 | safe_str(req->user_name), | |
451 | action, | |
452 | safe_str(req->pub_auth)); | |
d23f4e1b | 453 | return url; |
090089c4 | 454 | } |
455 | ||
d23f4e1b | 456 | static const char * |
457 | munge_menu_line(const char *buf, cachemgr_request * req) | |
090089c4 | 458 | { |
d23f4e1b | 459 | char *x; |
7395afb8 | 460 | const char *a; |
461 | const char *d; | |
462 | const char *p; | |
463 | char *a_url; | |
7021844c | 464 | char *buf_copy; |
399e85ea | 465 | static char html[2 * 1024]; |
62e76326 | 466 | |
d23f4e1b | 467 | if (strlen(buf) < 1) |
62e76326 | 468 | return buf; |
469 | ||
d23f4e1b | 470 | if (*buf != ' ') |
62e76326 | 471 | return buf; |
472 | ||
7021844c | 473 | buf_copy = x = xstrdup(buf); |
62e76326 | 474 | |
7395afb8 | 475 | a = xstrtok(&x, '\t'); |
62e76326 | 476 | |
7395afb8 | 477 | d = xstrtok(&x, '\t'); |
62e76326 | 478 | |
7395afb8 | 479 | p = xstrtok(&x, '\t'); |
62e76326 | 480 | |
7395afb8 | 481 | a_url = xstrdup(menu_url(req, a)); |
62e76326 | 482 | |
7395afb8 | 483 | /* no reason to give a url for a disabled action */ |
484 | if (!strcmp(p, "disabled")) | |
62e76326 | 485 | snprintf(html, sizeof(html), "<LI type=\"circle\">%s (disabled)<A HREF=\"%s\">.</A>\n", d, a_url); |
7395afb8 | 486 | else |
62e76326 | 487 | /* disable a hidden action (requires a password, but password is not in squid.conf) */ |
488 | if (!strcmp(p, "hidden")) | |
489 | snprintf(html, sizeof(html), "<LI type=\"circle\">%s (hidden)<A HREF=\"%s\">.</A>\n", d, a_url); | |
490 | else | |
491 | /* disable link if authentication is required and we have no password */ | |
492 | if (!strcmp(p, "protected") && !req->passwd) | |
493 | snprintf(html, sizeof(html), "<LI type=\"circle\">%s (requires <a href=\"%s\">authentication</a>)<A HREF=\"%s\">.</A>\n", | |
494 | d, menu_url(req, "authenticate"), a_url); | |
495 | else | |
496 | /* highlight protected but probably available entries */ | |
497 | if (!strcmp(p, "protected")) | |
498 | snprintf(html, sizeof(html), "<LI type=\"square\"><A HREF=\"%s\"><font color=\"#FF0000\">%s</font></A>\n", | |
499 | a_url, d); | |
500 | ||
7395afb8 | 501 | /* public entry or unknown type of protection */ |
62e76326 | 502 | else |
503 | snprintf(html, sizeof(html), "<LI type=\"disk\"><A HREF=\"%s\">%s</A>\n", a_url, d); | |
504 | ||
7395afb8 | 505 | xfree(a_url); |
62e76326 | 506 | |
7021844c | 507 | xfree(buf_copy); |
62e76326 | 508 | |
7021844c | 509 | return html; |
510 | } | |
511 | ||
512 | static const char * | |
513 | munge_other_line(const char *buf, cachemgr_request * req) | |
514 | { | |
62e76326 | 515 | static const char *ttags[] = {"td", "th"}; |
516 | ||
7021844c | 517 | static char html[4096]; |
728da2ee | 518 | static int table_line_num = 0; |
519 | static int next_is_header = 0; | |
7021844c | 520 | int is_header = 0; |
521 | const char *ttag; | |
7021844c | 522 | char *buf_copy; |
b9bc2838 | 523 | char *x, *p; |
7021844c | 524 | int l = 0; |
525 | /* does it look like a table? */ | |
62e76326 | 526 | |
7021844c | 527 | if (!strchr(buf, '\t') || *buf == '\t') { |
62e76326 | 528 | /* nope, just text */ |
529 | snprintf(html, sizeof(html), "%s%s", | |
9a6a600f | 530 | table_line_num ? "</table>\n<pre>" : "", html_quote(buf)); |
62e76326 | 531 | table_line_num = 0; |
532 | return html; | |
7021844c | 533 | } |
62e76326 | 534 | |
b9bc2838 | 535 | /* start html table */ |
536 | if (!table_line_num) { | |
62e76326 | 537 | l += snprintf(html + l, sizeof(html) - l, "</pre><table cellpadding=\"2\" cellspacing=\"1\">\n"); |
538 | next_is_header = 0; | |
b9bc2838 | 539 | } |
62e76326 | 540 | |
b9bc2838 | 541 | /* remove '\n' */ |
542 | is_header = (!table_line_num || next_is_header) && !strchr(buf, ':') && !is_number(buf); | |
62e76326 | 543 | |
7021844c | 544 | ttag = ttags[is_header]; |
62e76326 | 545 | |
7021844c | 546 | /* record starts */ |
399e85ea | 547 | l += snprintf(html + l, sizeof(html) - l, "<tr>"); |
62e76326 | 548 | |
7021844c | 549 | /* substitute '\t' */ |
550 | buf_copy = x = xstrdup(buf); | |
62e76326 | 551 | |
399e85ea | 552 | if ((p = strchr(x, '\n'))) |
62e76326 | 553 | *p = '\0'; |
554 | ||
b9bc2838 | 555 | while (x && strlen(x)) { |
62e76326 | 556 | int column_span = 1; |
557 | const char *cell = xstrtok(&x, '\t'); | |
558 | ||
559 | while (x && *x == '\t') { | |
560 | column_span++; | |
561 | x++; | |
562 | } | |
563 | ||
564 | l += snprintf(html + l, sizeof(html) - l, "<%s colspan=\"%d\" align=\"%s\">%s</%s>", | |
565 | ttag, column_span, | |
566 | is_header ? "center" : is_number(cell) ? "right" : "left", | |
9a6a600f | 567 | html_quote(cell), ttag); |
7021844c | 568 | } |
62e76326 | 569 | |
7021844c | 570 | xfree(buf_copy); |
571 | /* record ends */ | |
399e85ea | 572 | l += snprintf(html + l, sizeof(html) - l, "</tr>\n"); |
b9bc2838 | 573 | next_is_header = is_header && strstr(buf, "\t\t"); |
7021844c | 574 | table_line_num++; |
d23f4e1b | 575 | return html; |
090089c4 | 576 | } |
577 | ||
e313f2b8 AJ |
578 | static const char * |
579 | munge_action_line(const char *_buf, cachemgr_request * req) | |
580 | { | |
581 | static char html[2 * 1024]; | |
582 | char *buf = xstrdup(_buf); | |
583 | char *x = buf; | |
584 | const char *action, *description; | |
585 | char *p; | |
586 | ||
587 | if ((p = strchr(x, '\n'))) | |
3afd7aae | 588 | *p = '\0'; |
e313f2b8 AJ |
589 | action = xstrtok(&x, '\t'); |
590 | description = xstrtok(&x, '\t'); | |
591 | if (!description) | |
3afd7aae | 592 | description = action; |
e313f2b8 | 593 | if (!action) |
3afd7aae | 594 | return ""; |
e313f2b8 AJ |
595 | snprintf(html, sizeof(html), " <a href=\"%s\">%s</a>", menu_url(req, action), description); |
596 | return html; | |
597 | } | |
598 | ||
d23f4e1b | 599 | static int |
600 | read_reply(int s, cachemgr_request * req) | |
090089c4 | 601 | { |
2ac76861 | 602 | char buf[4 * 1024]; |
099a1791 | 603 | #ifdef _SQUID_MSWIN_ |
62e76326 | 604 | |
099a1791 | 605 | int reply; |
a760862a | 606 | char *tmpfile = tempnam(NULL, "tmp0000"); |
607 | FILE *fp = fopen(tmpfile, "w+"); | |
099a1791 | 608 | #else |
62e76326 | 609 | |
d23f4e1b | 610 | FILE *fp = fdopen(s, "r"); |
099a1791 | 611 | #endif |
7395afb8 | 612 | /* interpretation states */ |
2ac76861 | 613 | enum { |
e313f2b8 | 614 | isStatusLine, isHeaders, isActions, isBodyStart, isBody, isForward, isEof, isForwardEof, isSuccess, isError |
2ac76861 | 615 | } istate = isStatusLine; |
d23f4e1b | 616 | int parse_menu = 0; |
7395afb8 | 617 | const char *action = req->action; |
618 | const char *statusStr = NULL; | |
619 | int status = -1; | |
62e76326 | 620 | |
d23f4e1b | 621 | if (0 == strlen(req->action)) |
62e76326 | 622 | parse_menu = 1; |
d23f4e1b | 623 | else if (0 == strcasecmp(req->action, "menu")) |
62e76326 | 624 | parse_menu = 1; |
625 | ||
d23f4e1b | 626 | if (fp == NULL) { |
a760862a | 627 | #ifdef _SQUID_MSWIN_ |
628 | perror(tmpfile); | |
629 | xfree(tmpfile); | |
630 | #else | |
bba20018 | 631 | |
62e76326 | 632 | perror("fdopen"); |
d52318df | 633 | #endif |
bba20018 AJ |
634 | |
635 | close(s); | |
62e76326 | 636 | return 1; |
090089c4 | 637 | } |
62e76326 | 638 | |
099a1791 | 639 | #ifdef _SQUID_MSWIN_ |
ad1fa9c9 | 640 | |
641 | while ((reply=recv(s, buf , sizeof(buf), 0)) > 0) | |
642 | fwrite(buf, 1, reply, fp); | |
62e76326 | 643 | |
099a1791 | 644 | rewind(fp); |
62e76326 | 645 | |
099a1791 | 646 | #endif |
62e76326 | 647 | |
7395afb8 | 648 | if (parse_menu) |
62e76326 | 649 | action = "menu"; |
650 | ||
7395afb8 | 651 | /* read reply interpreting one line at a time depending on state */ |
652 | while (istate < isEof) { | |
62e76326 | 653 | if (!fgets(buf, sizeof(buf), fp)) |
654 | istate = istate == isForward ? isForwardEof : isEof; | |
655 | ||
656 | switch (istate) { | |
657 | ||
658 | case isStatusLine: | |
659 | /* get HTTP status */ | |
660 | /* uncomment the following if you want to debug headers */ | |
661 | /* fputs("\r\n\r\n", stdout); */ | |
662 | status = parse_status_line(buf, &statusStr); | |
663 | istate = status == 200 ? isHeaders : isForward; | |
664 | /* if cache asks for authentication, we have to reset our info */ | |
665 | ||
666 | if (status == 401 || status == 407) { | |
667 | reset_auth(req); | |
668 | status = 403; /* Forbiden, see comments in case isForward: */ | |
669 | } | |
670 | ||
671 | /* this is a way to pass HTTP status to the Web server */ | |
672 | if (statusStr) | |
673 | printf("Status: %d %s", status, statusStr); /* statusStr has '\n' */ | |
674 | ||
675 | break; | |
676 | ||
677 | case isHeaders: | |
678 | /* forward header field */ | |
679 | if (!strcmp(buf, "\r\n")) { /* end of headers */ | |
680 | fputs("Content-Type: text/html\r\n", stdout); /* add our type */ | |
681 | istate = isBodyStart; | |
682 | } | |
683 | ||
684 | if (strncasecmp(buf, "Content-Type:", 13)) /* filter out their type */ | |
685 | fputs(buf, stdout); | |
686 | ||
687 | break; | |
688 | ||
689 | case isBodyStart: | |
690 | printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); | |
691 | ||
692 | printf("<HTML><HEAD><TITLE>CacheMgr@%s: %s</TITLE>\n", | |
693 | req->hostname, action); | |
694 | ||
907e86e0 | 695 | printf("<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}TABLE{background-color:#333333;border:0pt;padding:0pt}TH,TD{background-color:#ffffff;white-space:nowrap}--></STYLE>\n"); |
62e76326 | 696 | |
697 | printf("</HEAD><BODY>\n"); | |
698 | ||
699 | if (parse_menu) { | |
700 | printf("<H2><a href=\"%s\">Cache Manager</a> menu for %s:</H2>", | |
701 | menu_url(req, "authenticate"), req->hostname); | |
702 | printf("<UL>\n"); | |
703 | } else { | |
704 | printf("<P><A HREF=\"%s\">%s</A>\n<HR noshade size=\"1px\">\n", | |
705 | menu_url(req, "menu"), "Cache Manager menu"); | |
706 | printf("<PRE>\n"); | |
707 | } | |
708 | ||
e313f2b8 AJ |
709 | istate = isActions; |
710 | /* yes, fall through, we do not want to loose the first line */ | |
711 | ||
712 | case isActions: | |
713 | if (strncmp(buf, "action:", 7) == 0) { | |
714 | fputs(" ", stdout); | |
715 | fputs(munge_action_line(buf + 7, req), stdout); | |
716 | break; | |
717 | } | |
718 | if (parse_menu) { | |
719 | printf("<UL>\n"); | |
720 | } else { | |
721 | printf("<HR noshade size=\"1px\">\n"); | |
722 | printf("<PRE>\n"); | |
723 | } | |
724 | ||
62e76326 | 725 | istate = isBody; |
726 | /* yes, fall through, we do not want to loose the first line */ | |
727 | ||
728 | case isBody: | |
729 | /* interpret [and reformat] cache response */ | |
730 | ||
731 | if (parse_menu) | |
732 | fputs(munge_menu_line(buf, req), stdout); | |
733 | else | |
734 | fputs(munge_other_line(buf, req), stdout); | |
735 | ||
736 | break; | |
737 | ||
738 | case isForward: | |
739 | /* forward: no modifications allowed */ | |
740 | /* | |
741 | * Note: we currently do not know any way to get browser.reply to | |
742 | * 401 to .cgi because web server filters out all auth info. Thus we | |
743 | * disable authentication headers for now. | |
744 | */ | |
e313f2b8 | 745 | if (!strncasecmp(buf, "WWW-Authenticate:", 17) || !strncasecmp(buf, "Proxy-Authenticate:", 19)); /* skip */ |
62e76326 | 746 | else |
747 | fputs(buf, stdout); | |
748 | ||
749 | break; | |
750 | ||
751 | case isEof: | |
752 | /* print trailers */ | |
753 | if (parse_menu) | |
754 | printf("</UL>\n"); | |
755 | else | |
756 | printf("</table></PRE>\n"); | |
757 | ||
758 | print_trailer(); | |
759 | ||
760 | istate = isSuccess; | |
761 | ||
762 | break; | |
763 | ||
764 | case isForwardEof: | |
765 | /* indicate that we finished processing an "error" sequence */ | |
766 | istate = isError; | |
767 | ||
768 | break; | |
769 | ||
770 | default: | |
771 | printf("%s: internal bug: invalid state reached: %d", script_name, istate); | |
772 | ||
773 | istate = isError; | |
774 | } | |
d23f4e1b | 775 | } |
62e76326 | 776 | |
4300768d | 777 | fclose(fp); |
bba20018 AJ |
778 | #ifdef _SQUID_MSWIN_ |
779 | ||
a760862a | 780 | remove(tmpfile); |
781 | xfree(tmpfile); | |
782 | close(s); | |
bba20018 | 783 | |
a760862a | 784 | #endif |
785 | ||
d23f4e1b | 786 | return 0; |
d1a43e28 | 787 | } |
090089c4 | 788 | |
d23f4e1b | 789 | static int |
790 | process_request(cachemgr_request * req) | |
090089c4 | 791 | { |
62e76326 | 792 | |
cc192b50 | 793 | char ipbuf[MAX_IPSTRLEN]; |
794 | struct addrinfo *AI = NULL; | |
ad61a2b4 | 795 | IpAddress S; |
d23f4e1b | 796 | int s; |
797 | int l; | |
62e76326 | 798 | |
2ac76861 | 799 | static char buf[2 * 1024]; |
62e76326 | 800 | |
d23f4e1b | 801 | if (req == NULL) { |
62e76326 | 802 | auth_html(CACHEMGR_HOSTNAME, CACHE_HTTP_PORT, ""); |
803 | return 1; | |
d23f4e1b | 804 | } |
62e76326 | 805 | |
d23f4e1b | 806 | if (req->hostname == NULL) { |
62e76326 | 807 | req->hostname = xstrdup(CACHEMGR_HOSTNAME); |
d23f4e1b | 808 | } |
62e76326 | 809 | |
d23f4e1b | 810 | if (req->port == 0) { |
62e76326 | 811 | req->port = CACHE_HTTP_PORT; |
d23f4e1b | 812 | } |
62e76326 | 813 | |
d23f4e1b | 814 | if (req->action == NULL) { |
62e76326 | 815 | req->action = xstrdup(""); |
d23f4e1b | 816 | } |
62e76326 | 817 | |
42ad37af | 818 | if (strcmp(req->action, "authenticate") == 0) { |
62e76326 | 819 | auth_html(req->hostname, req->port, req->user_name); |
820 | return 0; | |
7395afb8 | 821 | } |
62e76326 | 822 | |
42ad37af | 823 | if (!check_target_acl(req->hostname, req->port)) { |
824 | snprintf(buf, 1024, "target %s:%d not allowed in cachemgr.conf\n", req->hostname, req->port); | |
825 | error_html(buf); | |
826 | return 1; | |
827 | } | |
828 | ||
cc192b50 | 829 | S = *gethostbyname(req->hostname); |
62e76326 | 830 | |
cc192b50 | 831 | if ( !S.IsAnyAddr() ) { |
832 | (void) 0; | |
833 | } else if ( S = req->hostname) | |
62e76326 | 834 | (void) 0; |
d23f4e1b | 835 | else { |
62e76326 | 836 | snprintf(buf, 1024, "Unknown host: %s\n", req->hostname); |
837 | error_html(buf); | |
838 | return 1; | |
d23f4e1b | 839 | } |
62e76326 | 840 | |
cc192b50 | 841 | S.SetPort(req->port); |
842 | ||
843 | S.GetAddrInfo(AI); | |
62e76326 | 844 | |
616f5a95 AJ |
845 | #if USE_IPV6 |
846 | if ((s = socket( AI->ai_family, SOCK_STREAM, 0)) < 0) { | |
847 | #else | |
848 | if ((s = socket(PF_INET, SOCK_STREAM, 0)) < 0) { | |
849 | #endif | |
850 | snprintf(buf, 1024, "socket: %s\n", xstrerror()); | |
851 | error_html(buf); | |
852 | return 1; | |
853 | } | |
854 | ||
cc192b50 | 855 | if (connect(s, AI->ai_addr, AI->ai_addrlen) < 0) { |
856 | snprintf(buf, 1024, "connect %s: %s\n", | |
857 | S.ToURL(ipbuf,MAX_IPSTRLEN), | |
023b0d1d | 858 | xstrerror()); |
62e76326 | 859 | error_html(buf); |
cc192b50 | 860 | S.FreeAddrInfo(AI); |
62e76326 | 861 | return 1; |
d23f4e1b | 862 | } |
62e76326 | 863 | |
cc192b50 | 864 | S.FreeAddrInfo(AI); |
865 | ||
7395afb8 | 866 | l = snprintf(buf, sizeof(buf), |
62e76326 | 867 | "GET cache_object://%s/%s HTTP/1.0\r\n" |
868 | "Accept: */*\r\n" | |
869 | "%s" /* Authentication info or nothing */ | |
870 | "\r\n", | |
871 | req->hostname, | |
872 | req->action, | |
873 | make_auth_header(req)); | |
5fbb6c94 | 874 | if (write(s, buf, l) < 0) { |
bdcd85c3 | 875 | debug(1) fprintf(stderr, "ERROR: (%d) writing request: '%s'\n", errno, buf); |
5fbb6c94 | 876 | } else { |
bdcd85c3 | 877 | debug(1) fprintf(stderr, "wrote request: '%s'\n", buf); |
5fbb6c94 | 878 | } |
d23f4e1b | 879 | return read_reply(s, req); |
090089c4 | 880 | } |
881 | ||
684c2720 | 882 | int |
3afd7aae | 883 | main(int argc, char *argv[]) { |
d23f4e1b | 884 | char *s; |
885 | cachemgr_request *req; | |
62e76326 | 886 | |
d1a43e28 | 887 | now = time(NULL); |
099a1791 | 888 | #ifdef _SQUID_MSWIN_ |
62e76326 | 889 | |
099a1791 | 890 | Win32SockInit(); |
a760862a | 891 | atexit(Win32SockCleanup); |
ad1fa9c9 | 892 | _setmode( _fileno( stdin ), _O_BINARY ); |
893 | _setmode( _fileno( stdout ), _O_BINARY ); | |
894 | _fmode = _O_BINARY; | |
895 | ||
099a1791 | 896 | if ((s = strrchr(argv[0], '\\'))) |
897 | #else | |
62e76326 | 898 | |
090089c4 | 899 | if ((s = strrchr(argv[0], '/'))) |
099a1791 | 900 | #endif |
62e76326 | 901 | |
902 | progname = xstrdup(s + 1); | |
090089c4 | 903 | else |
62e76326 | 904 | progname = xstrdup(argv[0]); |
905 | ||
d23f4e1b | 906 | if ((s = getenv("SCRIPT_NAME")) != NULL) |
62e76326 | 907 | script_name = xstrdup(s); |
908 | ||
d23f4e1b | 909 | req = read_request(); |
62e76326 | 910 | |
d23f4e1b | 911 | return process_request(req); |
090089c4 | 912 | } |
913 | ||
d23f4e1b | 914 | static char * |
3afd7aae | 915 | read_post_request(void) { |
d23f4e1b | 916 | char *s; |
917 | char *buf; | |
918 | int len; | |
62e76326 | 919 | |
d23f4e1b | 920 | if ((s = getenv("REQUEST_METHOD")) == NULL) |
62e76326 | 921 | return NULL; |
922 | ||
d23f4e1b | 923 | if (0 != strcasecmp(s, "POST")) |
62e76326 | 924 | return NULL; |
925 | ||
d23f4e1b | 926 | if ((s = getenv("CONTENT_LENGTH")) == NULL) |
62e76326 | 927 | return NULL; |
928 | ||
d23f4e1b | 929 | if ((len = atoi(s)) <= 0) |
62e76326 | 930 | return NULL; |
931 | ||
e6ccf245 | 932 | buf = (char *)xmalloc(len + 1); |
62e76326 | 933 | |
bdcd85c3 AJ |
934 | if (fread(buf, len, 1, stdin) == 0) |
935 | return NULL; | |
62e76326 | 936 | |
d23f4e1b | 937 | buf[len] = '\0'; |
62e76326 | 938 | |
d23f4e1b | 939 | return buf; |
940 | } | |
090089c4 | 941 | |
d23f4e1b | 942 | static char * |
3afd7aae | 943 | read_get_request(void) { |
d23f4e1b | 944 | char *s; |
62e76326 | 945 | |
d23f4e1b | 946 | if ((s = getenv("QUERY_STRING")) == NULL) |
62e76326 | 947 | return NULL; |
948 | ||
d23f4e1b | 949 | return xstrdup(s); |
950 | } | |
090089c4 | 951 | |
099a1791 | 952 | static cachemgr_request * |
3afd7aae | 953 | read_request(void) { |
d23f4e1b | 954 | char *buf; |
62e76326 | 955 | |
d23f4e1b | 956 | cachemgr_request *req; |
957 | char *s; | |
958 | char *t; | |
959 | char *q; | |
62e76326 | 960 | |
d23f4e1b | 961 | if ((buf = read_post_request()) != NULL) |
62e76326 | 962 | (void) 0; |
d23f4e1b | 963 | else if ((buf = read_get_request()) != NULL) |
62e76326 | 964 | (void) 0; |
233794cd | 965 | else |
62e76326 | 966 | return NULL; |
967 | ||
099a1791 | 968 | #ifdef _SQUID_MSWIN_ |
62e76326 | 969 | |
099a1791 | 970 | if (strlen(buf) == 0 || strlen(buf) == 4000) |
971 | #else | |
62e76326 | 972 | |
d23f4e1b | 973 | if (strlen(buf) == 0) |
099a1791 | 974 | #endif |
368520fc | 975 | { |
976 | free(buf); | |
62e76326 | 977 | return NULL; |
368520fc | 978 | } |
62e76326 | 979 | |
e6ccf245 | 980 | req = (cachemgr_request *)xcalloc(1, sizeof(cachemgr_request)); |
62e76326 | 981 | |
d23f4e1b | 982 | for (s = strtok(buf, "&"); s != NULL; s = strtok(NULL, "&")) { |
62e76326 | 983 | t = xstrdup(s); |
984 | ||
985 | if ((q = strchr(t, '=')) == NULL) | |
986 | continue; | |
987 | ||
988 | *q++ = '\0'; | |
989 | ||
42ad37af | 990 | rfc1738_unescape(t); |
991 | ||
992 | rfc1738_unescape(q); | |
993 | ||
994 | if (0 == strcasecmp(t, "server") && strlen(q)) | |
995 | req->server = xstrdup(q); | |
996 | else if (0 == strcasecmp(t, "host") && strlen(q)) | |
62e76326 | 997 | req->hostname = xstrdup(q); |
998 | else if (0 == strcasecmp(t, "port") && strlen(q)) | |
999 | req->port = atoi(q); | |
1000 | else if (0 == strcasecmp(t, "user_name") && strlen(q)) | |
1001 | req->user_name = xstrdup(q); | |
1002 | else if (0 == strcasecmp(t, "passwd") && strlen(q)) | |
1003 | req->passwd = xstrdup(q); | |
1004 | else if (0 == strcasecmp(t, "auth") && strlen(q)) | |
1005 | req->pub_auth = xstrdup(q), decode_pub_auth(req); | |
1006 | else if (0 == strcasecmp(t, "operation")) | |
1007 | req->action = xstrdup(q); | |
d23f4e1b | 1008 | } |
62e76326 | 1009 | |
42ad37af | 1010 | if (req->server && !req->hostname) { |
1011 | char *p; | |
1012 | req->hostname = strtok(req->server, ":"); | |
1013 | ||
1014 | if ((p = strtok(NULL, ":"))) | |
1015 | req->port = atoi(p); | |
1016 | } | |
1017 | ||
7395afb8 | 1018 | make_pub_auth(req); |
1019 | debug(1) fprintf(stderr, "cmgr: got req: host: '%s' port: %d uname: '%s' passwd: '%s' auth: '%s' oper: '%s'\n", | |
62e76326 | 1020 | safe_str(req->hostname), req->port, safe_str(req->user_name), safe_str(req->passwd), safe_str(req->pub_auth), safe_str(req->action)); |
d23f4e1b | 1021 | return req; |
090089c4 | 1022 | } |
7395afb8 | 1023 | |
1024 | ||
1025 | /* Routines to support authentication */ | |
1026 | ||
1027 | /* | |
3afd7aae | 1028 | * Encodes auth info into a "public" form. |
7395afb8 | 1029 | * Currently no powerful encryption is used. |
1030 | */ | |
1031 | static void | |
3afd7aae | 1032 | make_pub_auth(cachemgr_request * req) { |
7395afb8 | 1033 | static char buf[1024]; |
1034 | safe_free(req->pub_auth); | |
1035 | debug(3) fprintf(stderr, "cmgr: encoding for pub...\n"); | |
62e76326 | 1036 | |
7021844c | 1037 | if (!req->passwd || !strlen(req->passwd)) |
62e76326 | 1038 | return; |
1039 | ||
7395afb8 | 1040 | /* host | time | user | passwd */ |
1041 | snprintf(buf, sizeof(buf), "%s|%d|%s|%s", | |
62e76326 | 1042 | req->hostname, |
1043 | (int) now, | |
1044 | req->user_name ? req->user_name : "", | |
1045 | req->passwd); | |
1046 | ||
7395afb8 | 1047 | debug(3) fprintf(stderr, "cmgr: pre-encoded for pub: %s\n", buf); |
62e76326 | 1048 | |
7395afb8 | 1049 | debug(3) fprintf(stderr, "cmgr: encoded: '%s'\n", base64_encode(buf)); |
62e76326 | 1050 | |
7395afb8 | 1051 | req->pub_auth = xstrdup(base64_encode(buf)); |
1052 | } | |
1053 | ||
1054 | static void | |
3afd7aae | 1055 | decode_pub_auth(cachemgr_request * req) { |
7395afb8 | 1056 | char *buf; |
1057 | const char *host_name; | |
1058 | const char *time_str; | |
1059 | const char *user_name; | |
1060 | const char *passwd; | |
1061 | ||
1062 | debug(2) fprintf(stderr, "cmgr: decoding pub: '%s'\n", safe_str(req->pub_auth)); | |
1063 | safe_free(req->passwd); | |
62e76326 | 1064 | |
7395afb8 | 1065 | if (!req->pub_auth || strlen(req->pub_auth) < 4 + strlen(safe_str(req->hostname))) |
62e76326 | 1066 | return; |
1067 | ||
7395afb8 | 1068 | buf = xstrdup(base64_decode(req->pub_auth)); |
62e76326 | 1069 | |
7395afb8 | 1070 | debug(3) fprintf(stderr, "cmgr: length ok\n"); |
62e76326 | 1071 | |
7395afb8 | 1072 | /* parse ( a lot of memory leaks, but that is cachemgr style :) */ |
1073 | if ((host_name = strtok(buf, "|")) == NULL) | |
62e76326 | 1074 | return; |
1075 | ||
7395afb8 | 1076 | debug(3) fprintf(stderr, "cmgr: decoded host: '%s'\n", host_name); |
62e76326 | 1077 | |
7395afb8 | 1078 | if ((time_str = strtok(NULL, "|")) == NULL) |
62e76326 | 1079 | return; |
1080 | ||
2ac76861 | 1081 | debug(3) fprintf(stderr, "cmgr: decoded time: '%s' (now: %d)\n", time_str, (int) now); |
62e76326 | 1082 | |
7395afb8 | 1083 | if ((user_name = strtok(NULL, "|")) == NULL) |
62e76326 | 1084 | return; |
1085 | ||
7395afb8 | 1086 | debug(3) fprintf(stderr, "cmgr: decoded uname: '%s'\n", user_name); |
62e76326 | 1087 | |
7395afb8 | 1088 | if ((passwd = strtok(NULL, "|")) == NULL) |
62e76326 | 1089 | return; |
1090 | ||
7395afb8 | 1091 | debug(2) fprintf(stderr, "cmgr: decoded passwd: '%s'\n", passwd); |
62e76326 | 1092 | |
7395afb8 | 1093 | /* verify freshness and validity */ |
1094 | if (atoi(time_str) + passwd_ttl < now) | |
62e76326 | 1095 | return; |
1096 | ||
7395afb8 | 1097 | if (strcasecmp(host_name, req->hostname)) |
62e76326 | 1098 | return; |
1099 | ||
7395afb8 | 1100 | debug(1) fprintf(stderr, "cmgr: verified auth. info.\n"); |
62e76326 | 1101 | |
7395afb8 | 1102 | /* ok, accept */ |
1103 | xfree(req->user_name); | |
62e76326 | 1104 | |
7395afb8 | 1105 | req->user_name = xstrdup(user_name); |
62e76326 | 1106 | |
7395afb8 | 1107 | req->passwd = xstrdup(passwd); |
62e76326 | 1108 | |
7395afb8 | 1109 | xfree(buf); |
1110 | } | |
1111 | ||
1112 | static void | |
3afd7aae | 1113 | reset_auth(cachemgr_request * req) { |
7395afb8 | 1114 | safe_free(req->passwd); |
1115 | safe_free(req->pub_auth); | |
1116 | } | |
1117 | ||
1118 | static const char * | |
3afd7aae | 1119 | make_auth_header(const cachemgr_request * req) { |
7395afb8 | 1120 | static char buf[1024]; |
e6ccf245 | 1121 | size_t stringLength = 0; |
7395afb8 | 1122 | const char *str64; |
62e76326 | 1123 | |
2ac76861 | 1124 | if (!req->passwd) |
62e76326 | 1125 | return ""; |
7395afb8 | 1126 | |
2ac76861 | 1127 | snprintf(buf, sizeof(buf), "%s:%s", |
62e76326 | 1128 | req->user_name ? req->user_name : "", |
1129 | req->passwd); | |
7395afb8 | 1130 | |
1131 | str64 = base64_encode(buf); | |
62e76326 | 1132 | |
e6ccf245 | 1133 | stringLength += snprintf(buf, sizeof(buf), "Authorization: Basic %s\r\n", str64); |
62e76326 | 1134 | |
e6ccf245 | 1135 | assert(stringLength < sizeof(buf)); |
62e76326 | 1136 | |
e6ccf245 | 1137 | stringLength += snprintf(&buf[stringLength], sizeof(buf) - stringLength, |
62e76326 | 1138 | "Proxy-Authorization: Basic %s\r\n", str64); |
1139 | ||
7395afb8 | 1140 | return buf; |
1141 | } | |
42ad37af | 1142 | |
1143 | static int | |
3afd7aae | 1144 | check_target_acl(const char *hostname, int port) { |
42ad37af | 1145 | char config_line[BUFSIZ]; |
1146 | FILE *fp = NULL; | |
1147 | int ret = 0; | |
1148 | fp = fopen("cachemgr.conf", "r"); | |
1149 | ||
1150 | if (fp == NULL) | |
1151 | fp = fopen(DEFAULT_CACHEMGR_CONFIG, "r"); | |
1152 | ||
1153 | if (fp == NULL) { | |
1154 | #ifdef CACHEMGR_HOSTNAME_DEFINED | |
1155 | ||
1156 | if (strcmp(hostname, CACHEMGR_HOSTNAME) == 0 && port == CACHE_HTTP_PORT) | |
1157 | return 1; | |
1158 | ||
1159 | #else | |
1160 | ||
1161 | if (strcmp(hostname, "localhost") == 0) | |
1162 | return 1; | |
1163 | ||
1164 | if (strcmp(hostname, getfullhostname()) == 0) | |
1165 | return 1; | |
1166 | ||
1167 | #endif | |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | while (fgets(config_line, BUFSIZ, fp)) { | |
1173 | char *token = NULL; | |
1174 | strtok(config_line, " \r\n\t"); | |
1175 | ||
1176 | if (config_line[0] == '#') | |
1177 | continue; | |
1178 | ||
1179 | if (config_line[0] == '\0') | |
1180 | continue; | |
1181 | ||
1182 | if ((token = strtok(config_line, ":")) == NULL) | |
1183 | continue; | |
1184 | ||
1185 | #if HAVE_FNMATCH_H | |
1186 | ||
1187 | if (fnmatch(token, hostname, 0) != 0) | |
1188 | continue; | |
1189 | ||
1190 | #else | |
1191 | ||
1192 | if (strcmp(token, hostname) != 0) | |
1193 | continue; | |
1194 | ||
1195 | #endif | |
1196 | ||
1197 | if ((token = strtok(NULL, ":")) != NULL) { | |
1198 | int i; | |
1199 | ||
b4ee1908 | 1200 | if (strcmp(token, "*") == 0) |
1201 | ||
1202 | ; /* Wildcard port specification */ | |
1203 | else if (strcasecmp(token, "any") == 0) | |
1204 | ||
1205 | ; /* Wildcard port specification */ | |
1206 | else if (sscanf(token, "%d", &i) != 1) | |
42ad37af | 1207 | continue; |
1208 | ||
b4ee1908 | 1209 | else if (i != port) |
42ad37af | 1210 | continue; |
1211 | } else if (port != CACHE_HTTP_PORT) | |
1212 | continue; | |
1213 | ||
1214 | ret = 1; | |
1215 | ||
1216 | break; | |
1217 | } | |
1218 | ||
1219 | fclose(fp); | |
1220 | return ret; | |
1221 | } |