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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 |
e1381638 | 126 | extern "C" { |
42ad37af | 127 | #include <fnmatch.h> |
7dcff512 | 128 | } |
42ad37af | 129 | #endif |
090089c4 | 130 | |
473471f2 | 131 | #include "util.h" |
9837e5f0 | 132 | #include "ip/IpAddress.h" |
e1f7507e | 133 | #include "getfullhostname.h" |
090089c4 | 134 | |
42ad37af | 135 | #ifndef DEFAULT_CACHEMGR_CONFIG |
b4ee1908 | 136 | #define DEFAULT_CACHEMGR_CONFIG "/etc/squid/cachemgr.conf" |
42ad37af | 137 | #endif |
138 | ||
3afd7aae | 139 | typedef struct { |
42ad37af | 140 | char *server; |
d23f4e1b | 141 | char *hostname; |
142 | int port; | |
143 | char *action; | |
7395afb8 | 144 | char *user_name; |
d23f4e1b | 145 | char *passwd; |
7395afb8 | 146 | char *pub_auth; |
2fadd50d | 147 | } cachemgr_request; |
090089c4 | 148 | |
7395afb8 | 149 | /* |
150 | * Static variables and constants | |
151 | */ | |
2ac76861 | 152 | static const time_t passwd_ttl = 60 * 60 * 3; /* in sec */ |
0ee4272b | 153 | static const char *script_name = "/cgi-bin/cachemgr.cgi"; |
0ee4272b | 154 | static const char *progname = NULL; |
d1a43e28 | 155 | static time_t now; |
62e76326 | 156 | |
d23f4e1b | 157 | /* |
158 | * Function prototypes | |
159 | */ | |
4055bb7e | 160 | #define safe_free(str) { if (str) { xfree(str); (str) = NULL; } } |
7395afb8 | 161 | static const char *safe_str(const char *str); |
a2c963ae | 162 | static const char *xstrtok(char **str, char del); |
f5b8bbc4 | 163 | static void print_trailer(void); |
a2c963ae | 164 | static void auth_html(const char *host, int port, const char *user_name); |
d23f4e1b | 165 | static void error_html(const char *msg); |
7395afb8 | 166 | static char *menu_url(cachemgr_request * req, const char *action); |
167 | static int parse_status_line(const char *sline, const char **statusStr); | |
d23f4e1b | 168 | static cachemgr_request *read_request(void); |
169 | static char *read_get_request(void); | |
170 | static char *read_post_request(void); | |
171 | ||
2ac76861 | 172 | static void make_pub_auth(cachemgr_request * req); |
173 | static void decode_pub_auth(cachemgr_request * req); | |
174 | static void reset_auth(cachemgr_request * req); | |
175 | static const char *make_auth_header(const cachemgr_request * req); | |
7395afb8 | 176 | |
42ad37af | 177 | static int check_target_acl(const char *hostname, int port); |
178 | ||
099a1791 | 179 | #ifdef _SQUID_MSWIN_ |
180 | static int s_iInitCount = 0; | |
a760862a | 181 | |
099a1791 | 182 | int Win32SockInit(void) |
183 | { | |
184 | int iVersionRequested; | |
185 | WSADATA wsaData; | |
186 | int err; | |
187 | ||
188 | if (s_iInitCount > 0) { | |
62e76326 | 189 | s_iInitCount++; |
190 | return (0); | |
191 | } else if (s_iInitCount < 0) | |
192 | return (s_iInitCount); | |
099a1791 | 193 | |
194 | /* s_iInitCount == 0. Do the initailization */ | |
195 | iVersionRequested = MAKEWORD(2, 0); | |
62e76326 | 196 | |
099a1791 | 197 | err = WSAStartup((WORD) iVersionRequested, &wsaData); |
62e76326 | 198 | |
099a1791 | 199 | if (err) { |
62e76326 | 200 | s_iInitCount = -1; |
201 | return (s_iInitCount); | |
099a1791 | 202 | } |
62e76326 | 203 | |
099a1791 | 204 | if (LOBYTE(wsaData.wVersion) != 2 || |
62e76326 | 205 | HIBYTE(wsaData.wVersion) != 0) { |
206 | s_iInitCount = -2; | |
207 | WSACleanup(); | |
208 | return (s_iInitCount); | |
099a1791 | 209 | } |
62e76326 | 210 | |
099a1791 | 211 | s_iInitCount++; |
212 | return (s_iInitCount); | |
213 | } | |
214 | ||
215 | void Win32SockCleanup(void) | |
216 | { | |
217 | if (--s_iInitCount == 0) | |
62e76326 | 218 | WSACleanup(); |
219 | ||
099a1791 | 220 | return; |
221 | } | |
62e76326 | 222 | |
099a1791 | 223 | #endif /* ifdef _SQUID_MSWIN_ */ |
7395afb8 | 224 | |
2ac76861 | 225 | static const char * |
226 | safe_str(const char *str) | |
7395afb8 | 227 | { |
228 | return str ? str : ""; | |
229 | } | |
230 | ||
7021844c | 231 | /* relaxed number format */ |
232 | static int | |
233 | is_number(const char *str) | |
234 | { | |
235 | return strspn(str, "\t -+01234567890./\n") == strlen(str); | |
236 | } | |
237 | ||
a2c963ae | 238 | static const char * |
2ac76861 | 239 | xstrtok(char **str, char del) |
7395afb8 | 240 | { |
241 | if (*str) { | |
62e76326 | 242 | char *p = strchr(*str, del); |
243 | char *tok = *str; | |
244 | int len; | |
245 | ||
246 | if (p) { | |
247 | *str = p + 1; | |
248 | *p = '\0'; | |
249 | } else | |
250 | *str = NULL; | |
251 | ||
252 | /* trim */ | |
253 | len = strlen(tok); | |
254 | ||
255 | while (len && xisspace(tok[len - 1])) | |
256 | tok[--len] = '\0'; | |
257 | ||
258 | while (xisspace(*tok)) | |
259 | tok++; | |
260 | ||
261 | return tok; | |
7395afb8 | 262 | } else |
62e76326 | 263 | return ""; |
7395afb8 | 264 | } |
090089c4 | 265 | |
24382924 | 266 | static void |
8203a132 | 267 | print_trailer(void) |
090089c4 | 268 | { |
df339671 | 269 | printf("<HR noshade size=\"1px\">\n"); |
090089c4 | 270 | printf("<ADDRESS>\n"); |
271 | printf("Generated %s, by %s/%s@%s\n", | |
62e76326 | 272 | mkrfc1123(now), progname, VERSION, getfullhostname()); |
a8f7d3ee | 273 | printf("</ADDRESS></BODY></HTML>\n"); |
090089c4 | 274 | } |
275 | ||
24382924 | 276 | static void |
a2c963ae | 277 | auth_html(const char *host, int port, const char *user_name) |
090089c4 | 278 | { |
42ad37af | 279 | FILE *fp; |
280 | int need_host = 1; | |
281 | ||
2ac76861 | 282 | if (!user_name) |
62e76326 | 283 | user_name = ""; |
284 | ||
2ac76861 | 285 | if (!host || !strlen(host)) |
42ad37af | 286 | host = ""; |
62e76326 | 287 | |
df339671 | 288 | printf("Content-Type: text/html\r\n\r\n"); |
62e76326 | 289 | |
df339671 | 290 | printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); |
62e76326 | 291 | |
df339671 | 292 | printf("<HTML><HEAD><TITLE>Cache Manager Interface</TITLE>\n"); |
62e76326 | 293 | |
d8c0128e | 294 | printf("<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE></HEAD>\n"); |
62e76326 | 295 | |
a8f7d3ee | 296 | printf("<BODY><H1>Cache Manager Interface</H1>\n"); |
62e76326 | 297 | |
f7d9a2ad | 298 | printf("<P>This is a WWW interface to the instrumentation interface\n"); |
62e76326 | 299 | |
f7d9a2ad | 300 | printf("for the Squid object cache.</P>\n"); |
62e76326 | 301 | |
df339671 | 302 | printf("<HR noshade size=\"1px\">\n"); |
62e76326 | 303 | |
f23f96e6 | 304 | printf("<FORM METHOD=\"POST\" ACTION=\"%s\">\n", script_name); |
62e76326 | 305 | |
d980562f | 306 | printf("<TABLE BORDER=\"0\" CELLPADDING=\"10\" CELLSPACING=\"1\">\n"); |
62e76326 | 307 | |
62e76326 | 308 | |
42ad37af | 309 | fp = fopen("cachemgr.conf", "r"); |
310 | ||
311 | if (fp == NULL) | |
312 | fp = fopen(DEFAULT_CACHEMGR_CONFIG, "r"); | |
313 | ||
314 | if (fp != NULL) { | |
315 | int servers = 0; | |
316 | char config_line[BUFSIZ]; | |
317 | ||
318 | while (fgets(config_line, BUFSIZ, fp)) { | |
319 | char *server, *comment; | |
320 | strtok(config_line, "\r\n"); | |
321 | ||
322 | if (config_line[0] == '#') | |
323 | continue; | |
324 | ||
325 | if (config_line[0] == '\0') | |
326 | continue; | |
327 | ||
328 | if ((server = strtok(config_line, " \t")) == NULL) | |
329 | continue; | |
330 | ||
331 | if (strchr(server, '*') || strchr(server, '[') || strchr(server, '?')) { | |
332 | need_host = -1; | |
333 | continue; | |
334 | } | |
335 | ||
336 | comment = strtok(NULL, ""); | |
337 | ||
338 | if (comment) | |
339 | while (*comment == ' ' || *comment == '\t') | |
340 | comment++; | |
341 | ||
342 | if (!comment || !*comment) | |
343 | comment = server; | |
344 | ||
345 | if (!servers) { | |
346 | printf("<TR><TH ALIGN=\"left\">Cache Server:</TH><TD><SELECT NAME=\"server\">\n"); | |
347 | } | |
348 | ||
349 | printf("<OPTION VALUE=\"%s\"%s>%s</OPTION>\n", server, (servers || *host) ? "" : " SELECTED", comment); | |
350 | servers++; | |
351 | } | |
352 | ||
353 | if (servers) { | |
354 | if (need_host == 1 && !*host) | |
355 | need_host = 0; | |
356 | ||
357 | if (need_host) | |
358 | printf("<OPTION VALUE=\"\"%s>Other</OPTION>\n", (*host) ? " SELECTED" : ""); | |
359 | ||
360 | printf("</SELECT></TR>\n"); | |
361 | } | |
362 | ||
363 | fclose(fp); | |
364 | } | |
365 | ||
366 | if (need_host) { | |
367 | if (need_host == 1 && !*host) | |
368 | host = "localhost"; | |
369 | ||
370 | printf("<TR><TH ALIGN=\"left\">Cache Host:</TH><TD><INPUT NAME=\"host\" "); | |
62e76326 | 371 | |
42ad37af | 372 | printf("size=\"30\" VALUE=\"%s\"></TD></TR>\n", host); |
62e76326 | 373 | |
42ad37af | 374 | printf("<TR><TH ALIGN=\"left\">Cache Port:</TH><TD><INPUT NAME=\"port\" "); |
375 | ||
376 | printf("size=\"30\" VALUE=\"%d\"></TD></TR>\n", port); | |
377 | } | |
62e76326 | 378 | |
7395afb8 | 379 | printf("<TR><TH ALIGN=\"left\">Manager name:</TH><TD><INPUT NAME=\"user_name\" "); |
62e76326 | 380 | |
df339671 | 381 | printf("size=\"30\" VALUE=\"%s\"></TD></TR>\n", user_name); |
62e76326 | 382 | |
7395afb8 | 383 | printf("<TR><TH ALIGN=\"left\">Password:</TH><TD><INPUT TYPE=\"password\" NAME=\"passwd\" "); |
62e76326 | 384 | |
df339671 | 385 | printf("size=\"30\" VALUE=\"\"></TD></TR>\n"); |
62e76326 | 386 | |
7395afb8 | 387 | printf("</TABLE><BR CLEAR=\"all\">\n"); |
62e76326 | 388 | |
d23f4e1b | 389 | printf("<INPUT TYPE=\"submit\" VALUE=\"Continue...\">\n"); |
62e76326 | 390 | |
7395afb8 | 391 | printf("</FORM>\n"); |
62e76326 | 392 | |
090089c4 | 393 | print_trailer(); |
394 | } | |
395 | ||
d23f4e1b | 396 | static void |
397 | error_html(const char *msg) | |
090089c4 | 398 | { |
df339671 | 399 | printf("Content-Type: text/html\r\n\r\n"); |
400 | printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); | |
401 | printf("<HTML><HEAD><TITLE>Cache Manager Error</TITLE>\n"); | |
d8c0128e | 402 | printf("<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE></HEAD>\n"); |
d23f4e1b | 403 | printf("<BODY><H1>Cache Manager Error</H1>\n"); |
9a6a600f | 404 | printf("<P>\n%s</P>\n", html_quote(msg)); |
d23f4e1b | 405 | print_trailer(); |
090089c4 | 406 | } |
407 | ||
7395afb8 | 408 | /* returns http status extracted from status line or -1 on parsing failure */ |
409 | static int | |
410 | parse_status_line(const char *sline, const char **statusStr) | |
411 | { | |
412 | const char *sp = strchr(sline, ' '); | |
62e76326 | 413 | |
7395afb8 | 414 | if (statusStr) |
62e76326 | 415 | *statusStr = NULL; |
416 | ||
7395afb8 | 417 | if (strncasecmp(sline, "HTTP/", 5) || !sp) |
62e76326 | 418 | return -1; |
419 | ||
3d0ac046 | 420 | while (xisspace(*++sp)); |
b6a2f15e | 421 | if (!xisdigit(*sp)) |
62e76326 | 422 | return -1; |
423 | ||
7395afb8 | 424 | if (statusStr) |
62e76326 | 425 | *statusStr = sp; |
426 | ||
7395afb8 | 427 | return atoi(sp); |
428 | } | |
429 | ||
d23f4e1b | 430 | static char * |
7395afb8 | 431 | menu_url(cachemgr_request * req, const char *action) |
090089c4 | 432 | { |
d23f4e1b | 433 | static char url[1024]; |
137ee196 | 434 | snprintf(url, sizeof(url), "%s?host=%s&port=%d&user_name=%s&operation=%s&auth=%s", |
62e76326 | 435 | script_name, |
436 | req->hostname, | |
437 | req->port, | |
438 | safe_str(req->user_name), | |
439 | action, | |
440 | safe_str(req->pub_auth)); | |
d23f4e1b | 441 | return url; |
090089c4 | 442 | } |
443 | ||
d23f4e1b | 444 | static const char * |
445 | munge_menu_line(const char *buf, cachemgr_request * req) | |
090089c4 | 446 | { |
d23f4e1b | 447 | char *x; |
7395afb8 | 448 | const char *a; |
449 | const char *d; | |
450 | const char *p; | |
451 | char *a_url; | |
7021844c | 452 | char *buf_copy; |
399e85ea | 453 | static char html[2 * 1024]; |
62e76326 | 454 | |
d23f4e1b | 455 | if (strlen(buf) < 1) |
62e76326 | 456 | return buf; |
457 | ||
d23f4e1b | 458 | if (*buf != ' ') |
62e76326 | 459 | return buf; |
460 | ||
7021844c | 461 | buf_copy = x = xstrdup(buf); |
62e76326 | 462 | |
7395afb8 | 463 | a = xstrtok(&x, '\t'); |
62e76326 | 464 | |
7395afb8 | 465 | d = xstrtok(&x, '\t'); |
62e76326 | 466 | |
7395afb8 | 467 | p = xstrtok(&x, '\t'); |
62e76326 | 468 | |
7395afb8 | 469 | a_url = xstrdup(menu_url(req, a)); |
62e76326 | 470 | |
7395afb8 | 471 | /* no reason to give a url for a disabled action */ |
472 | if (!strcmp(p, "disabled")) | |
62e76326 | 473 | snprintf(html, sizeof(html), "<LI type=\"circle\">%s (disabled)<A HREF=\"%s\">.</A>\n", d, a_url); |
7395afb8 | 474 | else |
62e76326 | 475 | /* disable a hidden action (requires a password, but password is not in squid.conf) */ |
476 | if (!strcmp(p, "hidden")) | |
477 | snprintf(html, sizeof(html), "<LI type=\"circle\">%s (hidden)<A HREF=\"%s\">.</A>\n", d, a_url); | |
478 | else | |
479 | /* disable link if authentication is required and we have no password */ | |
480 | if (!strcmp(p, "protected") && !req->passwd) | |
481 | snprintf(html, sizeof(html), "<LI type=\"circle\">%s (requires <a href=\"%s\">authentication</a>)<A HREF=\"%s\">.</A>\n", | |
482 | d, menu_url(req, "authenticate"), a_url); | |
483 | else | |
484 | /* highlight protected but probably available entries */ | |
485 | if (!strcmp(p, "protected")) | |
486 | snprintf(html, sizeof(html), "<LI type=\"square\"><A HREF=\"%s\"><font color=\"#FF0000\">%s</font></A>\n", | |
487 | a_url, d); | |
488 | ||
7395afb8 | 489 | /* public entry or unknown type of protection */ |
62e76326 | 490 | else |
491 | snprintf(html, sizeof(html), "<LI type=\"disk\"><A HREF=\"%s\">%s</A>\n", a_url, d); | |
492 | ||
7395afb8 | 493 | xfree(a_url); |
62e76326 | 494 | |
7021844c | 495 | xfree(buf_copy); |
62e76326 | 496 | |
7021844c | 497 | return html; |
498 | } | |
499 | ||
500 | static const char * | |
501 | munge_other_line(const char *buf, cachemgr_request * req) | |
502 | { | |
62e76326 | 503 | static const char *ttags[] = {"td", "th"}; |
504 | ||
7021844c | 505 | static char html[4096]; |
728da2ee | 506 | static int table_line_num = 0; |
507 | static int next_is_header = 0; | |
7021844c | 508 | int is_header = 0; |
509 | const char *ttag; | |
7021844c | 510 | char *buf_copy; |
b9bc2838 | 511 | char *x, *p; |
7021844c | 512 | int l = 0; |
513 | /* does it look like a table? */ | |
62e76326 | 514 | |
7021844c | 515 | if (!strchr(buf, '\t') || *buf == '\t') { |
62e76326 | 516 | /* nope, just text */ |
517 | snprintf(html, sizeof(html), "%s%s", | |
9a6a600f | 518 | table_line_num ? "</table>\n<pre>" : "", html_quote(buf)); |
62e76326 | 519 | table_line_num = 0; |
520 | return html; | |
7021844c | 521 | } |
62e76326 | 522 | |
b9bc2838 | 523 | /* start html table */ |
524 | if (!table_line_num) { | |
62e76326 | 525 | l += snprintf(html + l, sizeof(html) - l, "</pre><table cellpadding=\"2\" cellspacing=\"1\">\n"); |
526 | next_is_header = 0; | |
b9bc2838 | 527 | } |
62e76326 | 528 | |
b9bc2838 | 529 | /* remove '\n' */ |
530 | is_header = (!table_line_num || next_is_header) && !strchr(buf, ':') && !is_number(buf); | |
62e76326 | 531 | |
7021844c | 532 | ttag = ttags[is_header]; |
62e76326 | 533 | |
7021844c | 534 | /* record starts */ |
399e85ea | 535 | l += snprintf(html + l, sizeof(html) - l, "<tr>"); |
62e76326 | 536 | |
7021844c | 537 | /* substitute '\t' */ |
538 | buf_copy = x = xstrdup(buf); | |
62e76326 | 539 | |
399e85ea | 540 | if ((p = strchr(x, '\n'))) |
62e76326 | 541 | *p = '\0'; |
542 | ||
b9bc2838 | 543 | while (x && strlen(x)) { |
62e76326 | 544 | int column_span = 1; |
545 | const char *cell = xstrtok(&x, '\t'); | |
546 | ||
547 | while (x && *x == '\t') { | |
548 | column_span++; | |
549 | x++; | |
550 | } | |
551 | ||
552 | l += snprintf(html + l, sizeof(html) - l, "<%s colspan=\"%d\" align=\"%s\">%s</%s>", | |
553 | ttag, column_span, | |
554 | is_header ? "center" : is_number(cell) ? "right" : "left", | |
9a6a600f | 555 | html_quote(cell), ttag); |
7021844c | 556 | } |
62e76326 | 557 | |
7021844c | 558 | xfree(buf_copy); |
559 | /* record ends */ | |
399e85ea | 560 | l += snprintf(html + l, sizeof(html) - l, "</tr>\n"); |
b9bc2838 | 561 | next_is_header = is_header && strstr(buf, "\t\t"); |
7021844c | 562 | table_line_num++; |
d23f4e1b | 563 | return html; |
090089c4 | 564 | } |
565 | ||
e313f2b8 AJ |
566 | static const char * |
567 | munge_action_line(const char *_buf, cachemgr_request * req) | |
568 | { | |
569 | static char html[2 * 1024]; | |
570 | char *buf = xstrdup(_buf); | |
571 | char *x = buf; | |
572 | const char *action, *description; | |
573 | char *p; | |
574 | ||
575 | if ((p = strchr(x, '\n'))) | |
3afd7aae | 576 | *p = '\0'; |
e313f2b8 AJ |
577 | action = xstrtok(&x, '\t'); |
578 | description = xstrtok(&x, '\t'); | |
579 | if (!description) | |
3afd7aae | 580 | description = action; |
e313f2b8 | 581 | if (!action) |
3afd7aae | 582 | return ""; |
e313f2b8 AJ |
583 | snprintf(html, sizeof(html), " <a href=\"%s\">%s</a>", menu_url(req, action), description); |
584 | return html; | |
585 | } | |
586 | ||
d23f4e1b | 587 | static int |
588 | read_reply(int s, cachemgr_request * req) | |
090089c4 | 589 | { |
2ac76861 | 590 | char buf[4 * 1024]; |
099a1791 | 591 | #ifdef _SQUID_MSWIN_ |
62e76326 | 592 | |
099a1791 | 593 | int reply; |
a760862a | 594 | char *tmpfile = tempnam(NULL, "tmp0000"); |
595 | FILE *fp = fopen(tmpfile, "w+"); | |
099a1791 | 596 | #else |
62e76326 | 597 | |
d23f4e1b | 598 | FILE *fp = fdopen(s, "r"); |
099a1791 | 599 | #endif |
7395afb8 | 600 | /* interpretation states */ |
2ac76861 | 601 | enum { |
e313f2b8 | 602 | isStatusLine, isHeaders, isActions, isBodyStart, isBody, isForward, isEof, isForwardEof, isSuccess, isError |
2ac76861 | 603 | } istate = isStatusLine; |
d23f4e1b | 604 | int parse_menu = 0; |
7395afb8 | 605 | const char *action = req->action; |
606 | const char *statusStr = NULL; | |
607 | int status = -1; | |
62e76326 | 608 | |
d23f4e1b | 609 | if (0 == strlen(req->action)) |
62e76326 | 610 | parse_menu = 1; |
d23f4e1b | 611 | else if (0 == strcasecmp(req->action, "menu")) |
62e76326 | 612 | parse_menu = 1; |
613 | ||
d23f4e1b | 614 | if (fp == NULL) { |
a760862a | 615 | #ifdef _SQUID_MSWIN_ |
616 | perror(tmpfile); | |
617 | xfree(tmpfile); | |
618 | #else | |
bba20018 | 619 | |
62e76326 | 620 | perror("fdopen"); |
d52318df | 621 | #endif |
bba20018 AJ |
622 | |
623 | close(s); | |
62e76326 | 624 | return 1; |
090089c4 | 625 | } |
62e76326 | 626 | |
099a1791 | 627 | #ifdef _SQUID_MSWIN_ |
ad1fa9c9 | 628 | |
629 | while ((reply=recv(s, buf , sizeof(buf), 0)) > 0) | |
630 | fwrite(buf, 1, reply, fp); | |
62e76326 | 631 | |
099a1791 | 632 | rewind(fp); |
62e76326 | 633 | |
099a1791 | 634 | #endif |
62e76326 | 635 | |
7395afb8 | 636 | if (parse_menu) |
62e76326 | 637 | action = "menu"; |
638 | ||
7395afb8 | 639 | /* read reply interpreting one line at a time depending on state */ |
640 | while (istate < isEof) { | |
62e76326 | 641 | if (!fgets(buf, sizeof(buf), fp)) |
642 | istate = istate == isForward ? isForwardEof : isEof; | |
643 | ||
644 | switch (istate) { | |
645 | ||
646 | case isStatusLine: | |
647 | /* get HTTP status */ | |
648 | /* uncomment the following if you want to debug headers */ | |
649 | /* fputs("\r\n\r\n", stdout); */ | |
650 | status = parse_status_line(buf, &statusStr); | |
651 | istate = status == 200 ? isHeaders : isForward; | |
652 | /* if cache asks for authentication, we have to reset our info */ | |
653 | ||
654 | if (status == 401 || status == 407) { | |
655 | reset_auth(req); | |
656 | status = 403; /* Forbiden, see comments in case isForward: */ | |
657 | } | |
658 | ||
659 | /* this is a way to pass HTTP status to the Web server */ | |
660 | if (statusStr) | |
661 | printf("Status: %d %s", status, statusStr); /* statusStr has '\n' */ | |
662 | ||
663 | break; | |
664 | ||
665 | case isHeaders: | |
666 | /* forward header field */ | |
667 | if (!strcmp(buf, "\r\n")) { /* end of headers */ | |
668 | fputs("Content-Type: text/html\r\n", stdout); /* add our type */ | |
669 | istate = isBodyStart; | |
670 | } | |
671 | ||
672 | if (strncasecmp(buf, "Content-Type:", 13)) /* filter out their type */ | |
673 | fputs(buf, stdout); | |
674 | ||
675 | break; | |
676 | ||
677 | case isBodyStart: | |
678 | printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); | |
679 | ||
680 | printf("<HTML><HEAD><TITLE>CacheMgr@%s: %s</TITLE>\n", | |
681 | req->hostname, action); | |
682 | ||
907e86e0 | 683 | 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 | 684 | |
685 | printf("</HEAD><BODY>\n"); | |
686 | ||
687 | if (parse_menu) { | |
688 | printf("<H2><a href=\"%s\">Cache Manager</a> menu for %s:</H2>", | |
689 | menu_url(req, "authenticate"), req->hostname); | |
690 | printf("<UL>\n"); | |
691 | } else { | |
692 | printf("<P><A HREF=\"%s\">%s</A>\n<HR noshade size=\"1px\">\n", | |
693 | menu_url(req, "menu"), "Cache Manager menu"); | |
694 | printf("<PRE>\n"); | |
695 | } | |
696 | ||
e313f2b8 AJ |
697 | istate = isActions; |
698 | /* yes, fall through, we do not want to loose the first line */ | |
699 | ||
700 | case isActions: | |
701 | if (strncmp(buf, "action:", 7) == 0) { | |
702 | fputs(" ", stdout); | |
703 | fputs(munge_action_line(buf + 7, req), stdout); | |
704 | break; | |
705 | } | |
706 | if (parse_menu) { | |
707 | printf("<UL>\n"); | |
708 | } else { | |
709 | printf("<HR noshade size=\"1px\">\n"); | |
710 | printf("<PRE>\n"); | |
711 | } | |
712 | ||
62e76326 | 713 | istate = isBody; |
714 | /* yes, fall through, we do not want to loose the first line */ | |
715 | ||
716 | case isBody: | |
717 | /* interpret [and reformat] cache response */ | |
718 | ||
719 | if (parse_menu) | |
720 | fputs(munge_menu_line(buf, req), stdout); | |
721 | else | |
722 | fputs(munge_other_line(buf, req), stdout); | |
723 | ||
724 | break; | |
725 | ||
726 | case isForward: | |
727 | /* forward: no modifications allowed */ | |
728 | /* | |
729 | * Note: we currently do not know any way to get browser.reply to | |
730 | * 401 to .cgi because web server filters out all auth info. Thus we | |
731 | * disable authentication headers for now. | |
732 | */ | |
e313f2b8 | 733 | if (!strncasecmp(buf, "WWW-Authenticate:", 17) || !strncasecmp(buf, "Proxy-Authenticate:", 19)); /* skip */ |
62e76326 | 734 | else |
735 | fputs(buf, stdout); | |
736 | ||
737 | break; | |
738 | ||
739 | case isEof: | |
740 | /* print trailers */ | |
741 | if (parse_menu) | |
742 | printf("</UL>\n"); | |
743 | else | |
744 | printf("</table></PRE>\n"); | |
745 | ||
746 | print_trailer(); | |
747 | ||
748 | istate = isSuccess; | |
749 | ||
750 | break; | |
751 | ||
752 | case isForwardEof: | |
753 | /* indicate that we finished processing an "error" sequence */ | |
754 | istate = isError; | |
755 | ||
756 | break; | |
757 | ||
758 | default: | |
759 | printf("%s: internal bug: invalid state reached: %d", script_name, istate); | |
760 | ||
761 | istate = isError; | |
762 | } | |
d23f4e1b | 763 | } |
62e76326 | 764 | |
4300768d | 765 | fclose(fp); |
bba20018 AJ |
766 | #ifdef _SQUID_MSWIN_ |
767 | ||
a760862a | 768 | remove(tmpfile); |
769 | xfree(tmpfile); | |
770 | close(s); | |
bba20018 | 771 | |
a760862a | 772 | #endif |
773 | ||
d23f4e1b | 774 | return 0; |
d1a43e28 | 775 | } |
090089c4 | 776 | |
d23f4e1b | 777 | static int |
778 | process_request(cachemgr_request * req) | |
090089c4 | 779 | { |
62e76326 | 780 | |
cc192b50 | 781 | char ipbuf[MAX_IPSTRLEN]; |
782 | struct addrinfo *AI = NULL; | |
ad61a2b4 | 783 | IpAddress S; |
d23f4e1b | 784 | int s; |
785 | int l; | |
62e76326 | 786 | |
2ac76861 | 787 | static char buf[2 * 1024]; |
62e76326 | 788 | |
d23f4e1b | 789 | if (req == NULL) { |
62e76326 | 790 | auth_html(CACHEMGR_HOSTNAME, CACHE_HTTP_PORT, ""); |
791 | return 1; | |
d23f4e1b | 792 | } |
62e76326 | 793 | |
d23f4e1b | 794 | if (req->hostname == NULL) { |
62e76326 | 795 | req->hostname = xstrdup(CACHEMGR_HOSTNAME); |
d23f4e1b | 796 | } |
62e76326 | 797 | |
d23f4e1b | 798 | if (req->port == 0) { |
62e76326 | 799 | req->port = CACHE_HTTP_PORT; |
d23f4e1b | 800 | } |
62e76326 | 801 | |
d23f4e1b | 802 | if (req->action == NULL) { |
62e76326 | 803 | req->action = xstrdup(""); |
d23f4e1b | 804 | } |
62e76326 | 805 | |
42ad37af | 806 | if (strcmp(req->action, "authenticate") == 0) { |
62e76326 | 807 | auth_html(req->hostname, req->port, req->user_name); |
808 | return 0; | |
7395afb8 | 809 | } |
62e76326 | 810 | |
42ad37af | 811 | if (!check_target_acl(req->hostname, req->port)) { |
812 | snprintf(buf, 1024, "target %s:%d not allowed in cachemgr.conf\n", req->hostname, req->port); | |
813 | error_html(buf); | |
814 | return 1; | |
815 | } | |
816 | ||
cc192b50 | 817 | S = *gethostbyname(req->hostname); |
62e76326 | 818 | |
cc192b50 | 819 | if ( !S.IsAnyAddr() ) { |
820 | (void) 0; | |
821 | } else if ( S = req->hostname) | |
62e76326 | 822 | (void) 0; |
d23f4e1b | 823 | else { |
62e76326 | 824 | snprintf(buf, 1024, "Unknown host: %s\n", req->hostname); |
825 | error_html(buf); | |
826 | return 1; | |
d23f4e1b | 827 | } |
62e76326 | 828 | |
cc192b50 | 829 | S.SetPort(req->port); |
830 | ||
831 | S.GetAddrInfo(AI); | |
62e76326 | 832 | |
616f5a95 AJ |
833 | #if USE_IPV6 |
834 | if ((s = socket( AI->ai_family, SOCK_STREAM, 0)) < 0) { | |
835 | #else | |
836 | if ((s = socket(PF_INET, SOCK_STREAM, 0)) < 0) { | |
837 | #endif | |
838 | snprintf(buf, 1024, "socket: %s\n", xstrerror()); | |
839 | error_html(buf); | |
840 | return 1; | |
841 | } | |
842 | ||
cc192b50 | 843 | if (connect(s, AI->ai_addr, AI->ai_addrlen) < 0) { |
844 | snprintf(buf, 1024, "connect %s: %s\n", | |
845 | S.ToURL(ipbuf,MAX_IPSTRLEN), | |
023b0d1d | 846 | xstrerror()); |
62e76326 | 847 | error_html(buf); |
cc192b50 | 848 | S.FreeAddrInfo(AI); |
62e76326 | 849 | return 1; |
d23f4e1b | 850 | } |
62e76326 | 851 | |
cc192b50 | 852 | S.FreeAddrInfo(AI); |
853 | ||
7395afb8 | 854 | l = snprintf(buf, sizeof(buf), |
62e76326 | 855 | "GET cache_object://%s/%s HTTP/1.0\r\n" |
856 | "Accept: */*\r\n" | |
857 | "%s" /* Authentication info or nothing */ | |
858 | "\r\n", | |
859 | req->hostname, | |
860 | req->action, | |
861 | make_auth_header(req)); | |
5fbb6c94 | 862 | if (write(s, buf, l) < 0) { |
ec85ebda | 863 | fprintf(stderr,"ERROR: (%d) writing request: '%s'\n", errno, buf); |
5fbb6c94 | 864 | } else { |
ec85ebda | 865 | debug("wrote request: '%s'\n", buf); |
5fbb6c94 | 866 | } |
d23f4e1b | 867 | return read_reply(s, req); |
090089c4 | 868 | } |
869 | ||
684c2720 | 870 | int |
e1381638 AJ |
871 | main(int argc, char *argv[]) |
872 | { | |
d23f4e1b | 873 | char *s; |
874 | cachemgr_request *req; | |
62e76326 | 875 | |
d1a43e28 | 876 | now = time(NULL); |
099a1791 | 877 | #ifdef _SQUID_MSWIN_ |
62e76326 | 878 | |
099a1791 | 879 | Win32SockInit(); |
a760862a | 880 | atexit(Win32SockCleanup); |
ad1fa9c9 | 881 | _setmode( _fileno( stdin ), _O_BINARY ); |
882 | _setmode( _fileno( stdout ), _O_BINARY ); | |
883 | _fmode = _O_BINARY; | |
884 | ||
099a1791 | 885 | if ((s = strrchr(argv[0], '\\'))) |
886 | #else | |
62e76326 | 887 | |
090089c4 | 888 | if ((s = strrchr(argv[0], '/'))) |
099a1791 | 889 | #endif |
62e76326 | 890 | |
891 | progname = xstrdup(s + 1); | |
090089c4 | 892 | else |
62e76326 | 893 | progname = xstrdup(argv[0]); |
894 | ||
d23f4e1b | 895 | if ((s = getenv("SCRIPT_NAME")) != NULL) |
62e76326 | 896 | script_name = xstrdup(s); |
897 | ||
ec85ebda AJ |
898 | char **args = argv; |
899 | while (argc > 1 && args[1][0] == '-') { | |
900 | // const char *value = ""; | |
901 | char option = args[1][1]; | |
902 | switch (option) { | |
903 | case 'd': | |
904 | debug_enabled = 1; | |
905 | break; | |
906 | default: | |
907 | #if 0 // unused for now. | |
908 | if (strlen(args[1]) > 2) { | |
909 | value = args[1] + 2; | |
910 | } else if (argc > 2) { | |
911 | value = args[2]; | |
912 | args++; | |
913 | argc--; | |
914 | } else | |
915 | value = ""; | |
ec85ebda | 916 | #endif |
ded1ca0b | 917 | break; |
ec85ebda AJ |
918 | } |
919 | args++; | |
920 | argc--; | |
921 | } | |
922 | ||
d23f4e1b | 923 | req = read_request(); |
62e76326 | 924 | |
d23f4e1b | 925 | return process_request(req); |
090089c4 | 926 | } |
927 | ||
d23f4e1b | 928 | static char * |
e1381638 AJ |
929 | read_post_request(void) |
930 | { | |
d23f4e1b | 931 | char *s; |
932 | char *buf; | |
933 | int len; | |
62e76326 | 934 | |
d23f4e1b | 935 | if ((s = getenv("REQUEST_METHOD")) == NULL) |
62e76326 | 936 | return NULL; |
937 | ||
d23f4e1b | 938 | if (0 != strcasecmp(s, "POST")) |
62e76326 | 939 | return NULL; |
940 | ||
d23f4e1b | 941 | if ((s = getenv("CONTENT_LENGTH")) == NULL) |
62e76326 | 942 | return NULL; |
943 | ||
d23f4e1b | 944 | if ((len = atoi(s)) <= 0) |
62e76326 | 945 | return NULL; |
946 | ||
e6ccf245 | 947 | buf = (char *)xmalloc(len + 1); |
62e76326 | 948 | |
bdcd85c3 AJ |
949 | if (fread(buf, len, 1, stdin) == 0) |
950 | return NULL; | |
62e76326 | 951 | |
d23f4e1b | 952 | buf[len] = '\0'; |
62e76326 | 953 | |
d23f4e1b | 954 | return buf; |
955 | } | |
090089c4 | 956 | |
d23f4e1b | 957 | static char * |
e1381638 AJ |
958 | read_get_request(void) |
959 | { | |
d23f4e1b | 960 | char *s; |
62e76326 | 961 | |
d23f4e1b | 962 | if ((s = getenv("QUERY_STRING")) == NULL) |
62e76326 | 963 | return NULL; |
964 | ||
d23f4e1b | 965 | return xstrdup(s); |
966 | } | |
090089c4 | 967 | |
099a1791 | 968 | static cachemgr_request * |
e1381638 AJ |
969 | read_request(void) |
970 | { | |
d23f4e1b | 971 | char *buf; |
62e76326 | 972 | |
d23f4e1b | 973 | cachemgr_request *req; |
974 | char *s; | |
975 | char *t; | |
976 | char *q; | |
62e76326 | 977 | |
d23f4e1b | 978 | if ((buf = read_post_request()) != NULL) |
62e76326 | 979 | (void) 0; |
d23f4e1b | 980 | else if ((buf = read_get_request()) != NULL) |
62e76326 | 981 | (void) 0; |
233794cd | 982 | else |
62e76326 | 983 | return NULL; |
984 | ||
099a1791 | 985 | #ifdef _SQUID_MSWIN_ |
62e76326 | 986 | |
099a1791 | 987 | if (strlen(buf) == 0 || strlen(buf) == 4000) |
988 | #else | |
62e76326 | 989 | |
d23f4e1b | 990 | if (strlen(buf) == 0) |
099a1791 | 991 | #endif |
368520fc | 992 | { |
993 | free(buf); | |
62e76326 | 994 | return NULL; |
368520fc | 995 | } |
62e76326 | 996 | |
e6ccf245 | 997 | req = (cachemgr_request *)xcalloc(1, sizeof(cachemgr_request)); |
62e76326 | 998 | |
d23f4e1b | 999 | for (s = strtok(buf, "&"); s != NULL; s = strtok(NULL, "&")) { |
62e76326 | 1000 | t = xstrdup(s); |
1001 | ||
1002 | if ((q = strchr(t, '=')) == NULL) | |
1003 | continue; | |
1004 | ||
1005 | *q++ = '\0'; | |
1006 | ||
42ad37af | 1007 | rfc1738_unescape(t); |
1008 | ||
1009 | rfc1738_unescape(q); | |
1010 | ||
1011 | if (0 == strcasecmp(t, "server") && strlen(q)) | |
1012 | req->server = xstrdup(q); | |
1013 | else if (0 == strcasecmp(t, "host") && strlen(q)) | |
62e76326 | 1014 | req->hostname = xstrdup(q); |
1015 | else if (0 == strcasecmp(t, "port") && strlen(q)) | |
1016 | req->port = atoi(q); | |
1017 | else if (0 == strcasecmp(t, "user_name") && strlen(q)) | |
1018 | req->user_name = xstrdup(q); | |
1019 | else if (0 == strcasecmp(t, "passwd") && strlen(q)) | |
1020 | req->passwd = xstrdup(q); | |
1021 | else if (0 == strcasecmp(t, "auth") && strlen(q)) | |
1022 | req->pub_auth = xstrdup(q), decode_pub_auth(req); | |
1023 | else if (0 == strcasecmp(t, "operation")) | |
1024 | req->action = xstrdup(q); | |
d23f4e1b | 1025 | } |
62e76326 | 1026 | |
42ad37af | 1027 | if (req->server && !req->hostname) { |
1028 | char *p; | |
1029 | req->hostname = strtok(req->server, ":"); | |
1030 | ||
1031 | if ((p = strtok(NULL, ":"))) | |
1032 | req->port = atoi(p); | |
1033 | } | |
1034 | ||
7395afb8 | 1035 | make_pub_auth(req); |
ec85ebda | 1036 | debug("cmgr: got req: host: '%s' port: %d uname: '%s' passwd: '%s' auth: '%s' oper: '%s'\n", |
62e76326 | 1037 | 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 | 1038 | return req; |
090089c4 | 1039 | } |
7395afb8 | 1040 | |
1041 | ||
1042 | /* Routines to support authentication */ | |
1043 | ||
1044 | /* | |
3afd7aae | 1045 | * Encodes auth info into a "public" form. |
7395afb8 | 1046 | * Currently no powerful encryption is used. |
1047 | */ | |
1048 | static void | |
e1381638 AJ |
1049 | make_pub_auth(cachemgr_request * req) |
1050 | { | |
7395afb8 | 1051 | static char buf[1024]; |
1052 | safe_free(req->pub_auth); | |
ec85ebda | 1053 | debug("cmgr: encoding for pub...\n"); |
62e76326 | 1054 | |
7021844c | 1055 | if (!req->passwd || !strlen(req->passwd)) |
62e76326 | 1056 | return; |
1057 | ||
7395afb8 | 1058 | /* host | time | user | passwd */ |
1059 | snprintf(buf, sizeof(buf), "%s|%d|%s|%s", | |
62e76326 | 1060 | req->hostname, |
1061 | (int) now, | |
1062 | req->user_name ? req->user_name : "", | |
1063 | req->passwd); | |
1064 | ||
ec85ebda AJ |
1065 | debug("cmgr: pre-encoded for pub: %s\n", buf); |
1066 | debug("cmgr: encoded: '%s'\n", base64_encode(buf)); | |
62e76326 | 1067 | |
7395afb8 | 1068 | req->pub_auth = xstrdup(base64_encode(buf)); |
1069 | } | |
1070 | ||
1071 | static void | |
e1381638 AJ |
1072 | decode_pub_auth(cachemgr_request * req) |
1073 | { | |
7395afb8 | 1074 | char *buf; |
1075 | const char *host_name; | |
1076 | const char *time_str; | |
1077 | const char *user_name; | |
1078 | const char *passwd; | |
1079 | ||
ec85ebda | 1080 | debug("cmgr: decoding pub: '%s'\n", safe_str(req->pub_auth)); |
7395afb8 | 1081 | safe_free(req->passwd); |
62e76326 | 1082 | |
7395afb8 | 1083 | if (!req->pub_auth || strlen(req->pub_auth) < 4 + strlen(safe_str(req->hostname))) |
62e76326 | 1084 | return; |
1085 | ||
7395afb8 | 1086 | buf = xstrdup(base64_decode(req->pub_auth)); |
62e76326 | 1087 | |
ec85ebda | 1088 | debug("cmgr: length ok\n"); |
62e76326 | 1089 | |
7395afb8 | 1090 | /* parse ( a lot of memory leaks, but that is cachemgr style :) */ |
1091 | if ((host_name = strtok(buf, "|")) == NULL) | |
62e76326 | 1092 | return; |
1093 | ||
ec85ebda | 1094 | debug("cmgr: decoded host: '%s'\n", host_name); |
62e76326 | 1095 | |
7395afb8 | 1096 | if ((time_str = strtok(NULL, "|")) == NULL) |
62e76326 | 1097 | return; |
1098 | ||
ec85ebda | 1099 | debug("cmgr: decoded time: '%s' (now: %d)\n", time_str, (int) now); |
62e76326 | 1100 | |
7395afb8 | 1101 | if ((user_name = strtok(NULL, "|")) == NULL) |
62e76326 | 1102 | return; |
1103 | ||
ec85ebda | 1104 | debug("cmgr: decoded uname: '%s'\n", user_name); |
62e76326 | 1105 | |
7395afb8 | 1106 | if ((passwd = strtok(NULL, "|")) == NULL) |
62e76326 | 1107 | return; |
1108 | ||
ec85ebda | 1109 | debug("cmgr: decoded passwd: '%s'\n", passwd); |
62e76326 | 1110 | |
7395afb8 | 1111 | /* verify freshness and validity */ |
1112 | if (atoi(time_str) + passwd_ttl < now) | |
62e76326 | 1113 | return; |
1114 | ||
7395afb8 | 1115 | if (strcasecmp(host_name, req->hostname)) |
62e76326 | 1116 | return; |
1117 | ||
ec85ebda | 1118 | debug("cmgr: verified auth. info.\n"); |
62e76326 | 1119 | |
7395afb8 | 1120 | /* ok, accept */ |
1121 | xfree(req->user_name); | |
62e76326 | 1122 | |
7395afb8 | 1123 | req->user_name = xstrdup(user_name); |
62e76326 | 1124 | |
7395afb8 | 1125 | req->passwd = xstrdup(passwd); |
62e76326 | 1126 | |
7395afb8 | 1127 | xfree(buf); |
1128 | } | |
1129 | ||
1130 | static void | |
e1381638 AJ |
1131 | reset_auth(cachemgr_request * req) |
1132 | { | |
7395afb8 | 1133 | safe_free(req->passwd); |
1134 | safe_free(req->pub_auth); | |
1135 | } | |
1136 | ||
1137 | static const char * | |
e1381638 AJ |
1138 | make_auth_header(const cachemgr_request * req) |
1139 | { | |
7395afb8 | 1140 | static char buf[1024]; |
e6ccf245 | 1141 | size_t stringLength = 0; |
7395afb8 | 1142 | const char *str64; |
62e76326 | 1143 | |
2ac76861 | 1144 | if (!req->passwd) |
62e76326 | 1145 | return ""; |
7395afb8 | 1146 | |
2ac76861 | 1147 | snprintf(buf, sizeof(buf), "%s:%s", |
62e76326 | 1148 | req->user_name ? req->user_name : "", |
1149 | req->passwd); | |
7395afb8 | 1150 | |
1151 | str64 = base64_encode(buf); | |
62e76326 | 1152 | |
e6ccf245 | 1153 | stringLength += snprintf(buf, sizeof(buf), "Authorization: Basic %s\r\n", str64); |
62e76326 | 1154 | |
e6ccf245 | 1155 | assert(stringLength < sizeof(buf)); |
62e76326 | 1156 | |
e6ccf245 | 1157 | stringLength += snprintf(&buf[stringLength], sizeof(buf) - stringLength, |
62e76326 | 1158 | "Proxy-Authorization: Basic %s\r\n", str64); |
1159 | ||
7395afb8 | 1160 | return buf; |
1161 | } | |
42ad37af | 1162 | |
1163 | static int | |
e1381638 AJ |
1164 | check_target_acl(const char *hostname, int port) |
1165 | { | |
42ad37af | 1166 | char config_line[BUFSIZ]; |
1167 | FILE *fp = NULL; | |
1168 | int ret = 0; | |
1169 | fp = fopen("cachemgr.conf", "r"); | |
1170 | ||
1171 | if (fp == NULL) | |
1172 | fp = fopen(DEFAULT_CACHEMGR_CONFIG, "r"); | |
1173 | ||
1174 | if (fp == NULL) { | |
1175 | #ifdef CACHEMGR_HOSTNAME_DEFINED | |
1176 | ||
1177 | if (strcmp(hostname, CACHEMGR_HOSTNAME) == 0 && port == CACHE_HTTP_PORT) | |
1178 | return 1; | |
1179 | ||
1180 | #else | |
1181 | ||
1182 | if (strcmp(hostname, "localhost") == 0) | |
1183 | return 1; | |
1184 | ||
1185 | if (strcmp(hostname, getfullhostname()) == 0) | |
1186 | return 1; | |
1187 | ||
1188 | #endif | |
1189 | ||
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | while (fgets(config_line, BUFSIZ, fp)) { | |
1194 | char *token = NULL; | |
1195 | strtok(config_line, " \r\n\t"); | |
1196 | ||
1197 | if (config_line[0] == '#') | |
1198 | continue; | |
1199 | ||
1200 | if (config_line[0] == '\0') | |
1201 | continue; | |
1202 | ||
1203 | if ((token = strtok(config_line, ":")) == NULL) | |
1204 | continue; | |
1205 | ||
1206 | #if HAVE_FNMATCH_H | |
1207 | ||
1208 | if (fnmatch(token, hostname, 0) != 0) | |
1209 | continue; | |
1210 | ||
1211 | #else | |
1212 | ||
1213 | if (strcmp(token, hostname) != 0) | |
1214 | continue; | |
1215 | ||
1216 | #endif | |
1217 | ||
1218 | if ((token = strtok(NULL, ":")) != NULL) { | |
1219 | int i; | |
1220 | ||
b4ee1908 | 1221 | if (strcmp(token, "*") == 0) |
1222 | ||
1223 | ; /* Wildcard port specification */ | |
1224 | else if (strcasecmp(token, "any") == 0) | |
1225 | ||
1226 | ; /* Wildcard port specification */ | |
1227 | else if (sscanf(token, "%d", &i) != 1) | |
42ad37af | 1228 | continue; |
1229 | ||
b4ee1908 | 1230 | else if (i != port) |
42ad37af | 1231 | continue; |
1232 | } else if (port != CACHE_HTTP_PORT) | |
1233 | continue; | |
1234 | ||
1235 | ret = 1; | |
1236 | ||
1237 | break; | |
1238 | } | |
1239 | ||
1240 | fclose(fp); | |
1241 | return ret; | |
1242 | } |