version 1.24, 2011/12/10 21:51:07 |
version 1.120, 2016/04/13 15:38:45 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
|
* Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@usta.de> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
|
#include "config.h" |
#include "config.h" |
#endif |
|
|
|
#include <sys/param.h> |
#include <sys/types.h> |
#include <sys/wait.h> |
#include <sys/time.h> |
|
|
#include <assert.h> |
|
#include <ctype.h> |
#include <ctype.h> |
#include <errno.h> |
#include <errno.h> |
#include <dirent.h> |
|
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
#include <regex.h> |
|
#include <stdio.h> |
|
#include <stdarg.h> |
|
#include <stdint.h> |
#include <stdint.h> |
|
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
|
|
#include "apropos_db.h" |
#include "mandoc_aux.h" |
#include "mandoc.h" |
#include "mandoc.h" |
|
#include "roff.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
#include "main.h" |
#include "main.h" |
#include "manpath.h" |
#include "manconf.h" |
|
#include "mansearch.h" |
|
#include "cgi.h" |
|
|
#ifdef __linux__ |
|
# include <db_185.h> |
|
#else |
|
# include <db.h> |
|
#endif |
|
|
|
enum page { |
|
PAGE_INDEX, |
|
PAGE_SEARCH, |
|
PAGE_SHOW, |
|
PAGE__MAX |
|
}; |
|
|
|
struct paths { |
|
char *name; |
|
char *path; |
|
}; |
|
|
|
/* |
/* |
* A query as passed to the search function. |
* A query as passed to the search function. |
*/ |
*/ |
struct query { |
struct query { |
const char *arch; /* architecture */ |
char *manpath; /* desired manual directory */ |
const char *sec; /* manual section */ |
char *arch; /* architecture */ |
const char *expr; /* unparsed expression string */ |
char *sec; /* manual section */ |
int whatis; /* whether whatis mode */ |
char *query; /* unparsed query expression */ |
int legacy; /* whether legacy mode */ |
int equal; /* match whole names, not substrings */ |
}; |
}; |
|
|
struct req { |
struct req { |
struct query q; |
struct query q; |
struct paths *p; |
char **p; /* array of available manpaths */ |
size_t psz; |
size_t psz; /* number of available manpaths */ |
enum page page; |
|
}; |
}; |
|
|
static int atou(const char *, unsigned *); |
static void catman(const struct req *, const char *); |
static void catman(const char *); |
static void format(const struct req *, const char *); |
static int cmp(const void *, const void *); |
|
static void format(const char *); |
|
static void html_print(const char *); |
static void html_print(const char *); |
static void html_putchar(char); |
static void html_putchar(char); |
static int http_decode(char *); |
static int http_decode(char *); |
static void http_parse(struct query *, char *); |
static void http_parse(struct req *, const char *); |
static int pathstop(DIR *); |
static void pathgen(struct req *); |
static void pathgen(DIR *, char *, struct req *); |
static void path_parse(struct req *req, const char *path); |
static void pg_index(const struct req *, char *); |
static void pg_error_badrequest(const char *); |
static void pg_search(const struct req *, char *); |
static void pg_error_internal(void); |
static void pg_show(const struct req *, char *); |
static void pg_index(const struct req *); |
static void resp_bad(void); |
static void pg_noresult(const struct req *, const char *); |
static void resp_baddb(void); |
static void pg_search(const struct req *); |
static void resp_error400(void); |
static void pg_searchres(const struct req *, |
static void resp_error404(const char *); |
struct manpage *, size_t); |
|
static void pg_show(struct req *, const char *); |
static void resp_begin_html(int, const char *); |
static void resp_begin_html(int, const char *); |
static void resp_begin_http(int, const char *); |
static void resp_begin_http(int, const char *); |
|
static void resp_copy(const char *); |
static void resp_end_html(void); |
static void resp_end_html(void); |
static void resp_index(const struct req *); |
|
static void resp_search(struct res *, size_t, void *); |
|
static void resp_searchform(const struct req *); |
static void resp_searchform(const struct req *); |
|
static void resp_show(const struct req *, const char *); |
|
static void set_query_attr(char **, char **); |
|
static int validate_filename(const char *); |
|
static int validate_manpath(const struct req *, const char *); |
|
static int validate_urifrag(const char *); |
|
|
static const char *progname; |
static const char *scriptname = SCRIPT_NAME; |
static const char *cache; |
|
static const char *host; |
|
|
|
static const char * const pages[PAGE__MAX] = { |
static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
"index", /* PAGE_INDEX */ |
static const char *const sec_numbers[] = { |
"search", /* PAGE_SEARCH */ |
"0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9" |
"show", /* PAGE_SHOW */ |
|
}; |
}; |
|
static const char *const sec_names[] = { |
|
"All Sections", |
|
"1 - General Commands", |
|
"2 - System Calls", |
|
"3 - Library Functions", |
|
"3p - Perl Library", |
|
"4 - Device Drivers", |
|
"5 - File Formats", |
|
"6 - Games", |
|
"7 - Miscellaneous Information", |
|
"8 - System Manager\'s Manual", |
|
"9 - Kernel Developer\'s Manual" |
|
}; |
|
static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
|
|
/* |
static const char *const arch_names[] = { |
* This is just OpenBSD's strtol(3) suggestion. |
"amd64", "alpha", "armish", "armv7", |
* I use it instead of strtonum(3) for portability's sake. |
"aviion", "hppa", "hppa64", "i386", |
*/ |
"ia64", "landisk", "loongson", "luna88k", |
static int |
"macppc", "mips64", "octeon", "sgi", |
atou(const char *buf, unsigned *v) |
"socppc", "solbourne", "sparc", "sparc64", |
{ |
"vax", "zaurus", |
char *ep; |
"amiga", "arc", "arm32", "atari", |
long lval; |
"beagle", "cats", "hp300", "mac68k", |
|
"mvme68k", "mvme88k", "mvmeppc", "palm", |
|
"pc532", "pegasos", "pmax", "powerpc", |
|
"sun3", "wgrisc", "x68k" |
|
}; |
|
static const int arch_MAX = sizeof(arch_names) / sizeof(char *); |
|
|
errno = 0; |
|
lval = strtol(buf, &ep, 10); |
|
if (buf[0] == '\0' || *ep != '\0') |
|
return(0); |
|
if ((errno == ERANGE && (lval == LONG_MAX || |
|
lval == LONG_MIN)) || |
|
(lval > UINT_MAX || lval < 0)) |
|
return(0); |
|
|
|
*v = (unsigned int)lval; |
|
return(1); |
|
} |
|
|
|
/* |
/* |
* Print a character, escaping HTML along the way. |
* Print a character, escaping HTML along the way. |
* This will pass non-ASCII straight to output: be warned! |
* This will pass non-ASCII straight to output: be warned! |
Line 169 html_putchar(char c) |
|
Line 154 html_putchar(char c) |
|
static void |
static void |
html_print(const char *p) |
html_print(const char *p) |
{ |
{ |
|
|
if (NULL == p) |
if (NULL == p) |
return; |
return; |
while ('\0' != *p) |
while ('\0' != *p) |
Line 177 html_print(const char *p) |
|
Line 162 html_print(const char *p) |
|
} |
} |
|
|
/* |
/* |
* Parse out key-value pairs from an HTTP request variable. |
* Transfer the responsibility for the allocated string *val |
* This can be either a cookie or a POST/GET string, although man.cgi |
* to the query structure. |
* uses only GET for simplicity. |
|
*/ |
*/ |
static void |
static void |
http_parse(struct query *q, char *p) |
set_query_attr(char **attr, char **val) |
{ |
{ |
char *key, *val; |
|
size_t sz; |
|
int legacy; |
|
|
|
memset(q, 0, sizeof(struct query)); |
free(*attr); |
|
if (**val == '\0') { |
|
*attr = NULL; |
|
free(*val); |
|
} else |
|
*attr = *val; |
|
*val = NULL; |
|
} |
|
|
q->whatis = 1; |
/* |
legacy = -1; |
* Parse the QUERY_STRING for key-value pairs |
|
* and store the values into the query structure. |
|
*/ |
|
static void |
|
http_parse(struct req *req, const char *qs) |
|
{ |
|
char *key, *val; |
|
size_t keysz, valsz; |
|
|
while (p && '\0' != *p) { |
req->q.manpath = NULL; |
while (' ' == *p) |
req->q.arch = NULL; |
p++; |
req->q.sec = NULL; |
|
req->q.query = NULL; |
|
req->q.equal = 1; |
|
|
key = p; |
key = val = NULL; |
val = NULL; |
while (*qs != '\0') { |
|
|
if (NULL != (p = strchr(p, '='))) { |
/* Parse one key. */ |
*p++ = '\0'; |
|
val = p; |
|
|
|
sz = strcspn(p, ";&"); |
keysz = strcspn(qs, "=;&"); |
/* LINTED */ |
key = mandoc_strndup(qs, keysz); |
p += sz; |
qs += keysz; |
|
if (*qs != '=') |
|
goto next; |
|
|
if ('\0' != *p) |
/* Parse one value. */ |
*p++ = '\0'; |
|
} else { |
|
p = key; |
|
sz = strcspn(p, ";&"); |
|
/* LINTED */ |
|
p += sz; |
|
|
|
if ('\0' != *p) |
valsz = strcspn(++qs, ";&"); |
p++; |
val = mandoc_strndup(qs, valsz); |
continue; |
qs += valsz; |
} |
|
|
|
if ('\0' == *key || '\0' == *val) |
/* Decode and catch encoding errors. */ |
continue; |
|
|
|
/* Just abort handling. */ |
if ( ! (http_decode(key) && http_decode(val))) |
|
goto next; |
|
|
if ( ! http_decode(key)) |
/* Handle key-value pairs. */ |
break; |
|
if ( ! http_decode(val)) |
|
break; |
|
|
|
if (0 == strcmp(key, "expr")) |
if ( ! strcmp(key, "query")) |
q->expr = val; |
set_query_attr(&req->q.query, &val); |
else if (0 == strcmp(key, "query")) |
|
q->expr = val; |
|
else if (0 == strcmp(key, "sec")) |
|
q->sec = val; |
|
else if (0 == strcmp(key, "sektion")) |
|
q->sec = val; |
|
else if (0 == strcmp(key, "arch")) |
|
q->arch = val; |
|
else if (0 == strcmp(key, "apropos")) |
|
legacy = 0 == strcmp(val, "0"); |
|
else if (0 == strcmp(key, "op")) |
|
q->whatis = 0 == strcasecmp(val, "whatis"); |
|
} |
|
|
|
/* Test for old man.cgi compatibility mode. */ |
else if ( ! strcmp(key, "apropos")) |
|
req->q.equal = !strcmp(val, "0"); |
|
|
if (legacy == 0) { |
else if ( ! strcmp(key, "manpath")) { |
q->whatis = 0; |
#ifdef COMPAT_OLDURI |
q->legacy = 1; |
if ( ! strncmp(val, "OpenBSD ", 8)) { |
} else if (legacy > 0) { |
val[7] = '-'; |
q->legacy = 1; |
if ('C' == val[8]) |
q->whatis = 1; |
val[8] = 'c'; |
} |
} |
|
#endif |
|
set_query_attr(&req->q.manpath, &val); |
|
} |
|
|
/* |
else if ( ! (strcmp(key, "sec") |
* Section "0" means no section when in legacy mode. |
#ifdef COMPAT_OLDURI |
* For some man.cgi scripts, "default" arch is none. |
&& strcmp(key, "sektion") |
*/ |
#endif |
|
)) { |
|
if ( ! strcmp(val, "0")) |
|
*val = '\0'; |
|
set_query_attr(&req->q.sec, &val); |
|
} |
|
|
if (q->legacy && NULL != q->sec) |
else if ( ! strcmp(key, "arch")) { |
if (0 == strcmp(q->sec, "0")) |
if ( ! strcmp(val, "default")) |
q->sec = NULL; |
*val = '\0'; |
if (q->legacy && NULL != q->arch) |
set_query_attr(&req->q.arch, &val); |
if (0 == strcmp(q->arch, "default")) |
} |
q->arch = NULL; |
|
|
/* |
|
* The key must be freed in any case. |
|
* The val may have been handed over to the query |
|
* structure, in which case it is now NULL. |
|
*/ |
|
next: |
|
free(key); |
|
key = NULL; |
|
free(val); |
|
val = NULL; |
|
|
|
if (*qs != '\0') |
|
qs++; |
|
} |
} |
} |
|
|
/* |
/* |
|
|
http_decode(char *p) |
http_decode(char *p) |
{ |
{ |
char hex[3]; |
char hex[3]; |
|
char *q; |
int c; |
int c; |
|
|
hex[2] = '\0'; |
hex[2] = '\0'; |
|
|
for ( ; '\0' != *p; p++) { |
q = p; |
|
for ( ; '\0' != *p; p++, q++) { |
if ('%' == *p) { |
if ('%' == *p) { |
if ('\0' == (hex[0] = *(p + 1))) |
if ('\0' == (hex[0] = *(p + 1))) |
return(0); |
return 0; |
if ('\0' == (hex[1] = *(p + 2))) |
if ('\0' == (hex[1] = *(p + 2))) |
return(0); |
return 0; |
if (1 != sscanf(hex, "%x", &c)) |
if (1 != sscanf(hex, "%x", &c)) |
return(0); |
return 0; |
if ('\0' == c) |
if ('\0' == c) |
return(0); |
return 0; |
|
|
*p = (char)c; |
*q = (char)c; |
memmove(p + 1, p + 3, strlen(p + 3) + 1); |
p += 2; |
} else |
} else |
*p = '+' == *p ? ' ' : *p; |
*q = '+' == *p ? ' ' : *p; |
} |
} |
|
|
*p = '\0'; |
*q = '\0'; |
return(1); |
return 1; |
} |
} |
|
|
static void |
static void |
Line 309 resp_begin_http(int code, const char *msg) |
|
Line 308 resp_begin_http(int code, const char *msg) |
|
{ |
{ |
|
|
if (200 != code) |
if (200 != code) |
printf("Status: %d %s\n", code, msg); |
printf("Status: %d %s\r\n", code, msg); |
|
|
puts("Content-Type: text/html; charset=utf-8\n" |
printf("Content-Type: text/html; charset=utf-8\r\n" |
"Cache-Control: no-cache\n" |
"Cache-Control: no-cache\r\n" |
"Pragma: no-cache\n" |
"Pragma: no-cache\r\n" |
""); |
"\r\n"); |
|
|
fflush(stdout); |
fflush(stdout); |
} |
} |
|
|
static void |
static void |
|
resp_copy(const char *filename) |
|
{ |
|
char buf[4096]; |
|
ssize_t sz; |
|
int fd; |
|
|
|
if ((fd = open(filename, O_RDONLY)) != -1) { |
|
fflush(stdout); |
|
while ((sz = read(fd, buf, sizeof(buf))) > 0) |
|
write(STDOUT_FILENO, buf, sz); |
|
} |
|
} |
|
|
|
static void |
resp_begin_html(int code, const char *msg) |
resp_begin_html(int code, const char *msg) |
{ |
{ |
|
|
resp_begin_http(code, msg); |
resp_begin_http(code, msg); |
|
|
puts("<!DOCTYPE HTML PUBLIC " |
printf("<!DOCTYPE html>\n" |
" \"-//W3C//DTD HTML 4.01//EN\"" |
"<HTML>\n" |
" \"http://www.w3.org/TR/html4/strict.dtd\">\n" |
"<HEAD>\n" |
"<HTML>\n" |
"<META CHARSET=\"UTF-8\" />\n" |
"<HEAD>\n" |
"<LINK REL=\"stylesheet\" HREF=\"%s/mandoc.css\"" |
"<META HTTP-EQUIV=\"Content-Type\"" |
" TYPE=\"text/css\" media=\"all\">\n" |
" CONTENT=\"text/html; charset=utf-8\">\n" |
"<TITLE>%s</TITLE>\n" |
"<LINK REL=\"stylesheet\" HREF=\"/man.cgi.css\"" |
"</HEAD>\n" |
" TYPE=\"text/css\" media=\"all\">\n" |
"<BODY>\n" |
"<TITLE>System Manpage Reference</TITLE>\n" |
"<!-- Begin page content. //-->\n", |
"</HEAD>\n" |
CSS_DIR, CUSTOMIZE_TITLE); |
"<BODY>\n" |
|
"<!-- Begin page content. //-->"); |
resp_copy(MAN_DIR "/header.html"); |
} |
} |
|
|
static void |
static void |
resp_end_html(void) |
resp_end_html(void) |
{ |
{ |
|
|
|
resp_copy(MAN_DIR "/footer.html"); |
|
|
puts("</BODY>\n" |
puts("</BODY>\n" |
"</HTML>"); |
"</HTML>"); |
} |
} |
Line 351 resp_end_html(void) |
|
Line 366 resp_end_html(void) |
|
static void |
static void |
resp_searchform(const struct req *req) |
resp_searchform(const struct req *req) |
{ |
{ |
|
int i; |
|
|
puts("<!-- Begin search form. //-->"); |
puts("<!-- Begin search form. //-->"); |
printf("<FORM ACTION=\""); |
printf("<DIV ID=\"mancgi\">\n" |
html_print(progname); |
"<FORM ACTION=\"/%s\" METHOD=\"get\">\n" |
printf("/search.html\" METHOD=\"get\">\n"); |
"<FIELDSET>\n" |
printf("<FIELDSET>\n" |
"<LEGEND>Manual Page Search Parameters</LEGEND>\n", |
"<LEGEND>Search Parameters</LEGEND>\n" |
scriptname); |
"<INPUT TYPE=\"submit\" NAME=\"op\"" |
|
" VALUE=\"Whatis\"> or \n" |
/* Write query input box. */ |
"<INPUT TYPE=\"submit\" NAME=\"op\"" |
|
" VALUE=\"apropos\"> for manuals satisfying \n" |
printf( "<TABLE><TR><TD>\n" |
"<INPUT TYPE=\"text\" NAME=\"expr\" VALUE=\""); |
"<INPUT TYPE=\"text\" NAME=\"query\" VALUE=\""); |
html_print(req->q.expr ? req->q.expr : ""); |
if (NULL != req->q.query) |
printf("\">, section " |
html_print(req->q.query); |
"<INPUT TYPE=\"text\"" |
puts("\" SIZE=\"40\">"); |
" SIZE=\"4\" NAME=\"sec\" VALUE=\""); |
|
html_print(req->q.sec ? req->q.sec : ""); |
/* Write submission and reset buttons. */ |
printf("\">, arch " |
|
"<INPUT TYPE=\"text\"" |
printf( "<INPUT TYPE=\"submit\" VALUE=\"Submit\">\n" |
" SIZE=\"8\" NAME=\"arch\" VALUE=\""); |
"<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n"); |
html_print(req->q.arch ? req->q.arch : ""); |
|
puts("\">.\n" |
/* Write show radio button */ |
"<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n" |
|
|
printf( "</TD><TD>\n" |
|
"<INPUT TYPE=\"radio\" "); |
|
if (req->q.equal) |
|
printf("CHECKED=\"checked\" "); |
|
printf( "NAME=\"apropos\" ID=\"show\" VALUE=\"0\">\n" |
|
"<LABEL FOR=\"show\">Show named manual page</LABEL>\n"); |
|
|
|
/* Write section selector. */ |
|
|
|
puts( "</TD></TR><TR><TD>\n" |
|
"<SELECT NAME=\"sec\">"); |
|
for (i = 0; i < sec_MAX; i++) { |
|
printf("<OPTION VALUE=\"%s\"", sec_numbers[i]); |
|
if (NULL != req->q.sec && |
|
0 == strcmp(sec_numbers[i], req->q.sec)) |
|
printf(" SELECTED=\"selected\""); |
|
printf(">%s</OPTION>\n", sec_names[i]); |
|
} |
|
puts("</SELECT>"); |
|
|
|
/* Write architecture selector. */ |
|
|
|
printf( "<SELECT NAME=\"arch\">\n" |
|
"<OPTION VALUE=\"default\""); |
|
if (NULL == req->q.arch) |
|
printf(" SELECTED=\"selected\""); |
|
puts(">All Architectures</OPTION>"); |
|
for (i = 0; i < arch_MAX; i++) { |
|
printf("<OPTION VALUE=\"%s\"", arch_names[i]); |
|
if (NULL != req->q.arch && |
|
0 == strcmp(arch_names[i], req->q.arch)) |
|
printf(" SELECTED=\"selected\""); |
|
printf(">%s</OPTION>\n", arch_names[i]); |
|
} |
|
puts("</SELECT>"); |
|
|
|
/* Write manpath selector. */ |
|
|
|
if (req->psz > 1) { |
|
puts("<SELECT NAME=\"manpath\">"); |
|
for (i = 0; i < (int)req->psz; i++) { |
|
printf("<OPTION "); |
|
if (strcmp(req->q.manpath, req->p[i]) == 0) |
|
printf("SELECTED=\"selected\" "); |
|
printf("VALUE=\""); |
|
html_print(req->p[i]); |
|
printf("\">"); |
|
html_print(req->p[i]); |
|
puts("</OPTION>"); |
|
} |
|
puts("</SELECT>"); |
|
} |
|
|
|
/* Write search radio button */ |
|
|
|
printf( "</TD><TD>\n" |
|
"<INPUT TYPE=\"radio\" "); |
|
if (0 == req->q.equal) |
|
printf("CHECKED=\"checked\" "); |
|
printf( "NAME=\"apropos\" ID=\"search\" VALUE=\"1\">\n" |
|
"<LABEL FOR=\"search\">Search with apropos query</LABEL>\n"); |
|
|
|
puts("</TD></TR></TABLE>\n" |
"</FIELDSET>\n" |
"</FIELDSET>\n" |
"</FORM>"); |
"</FORM>\n" |
|
"</DIV>"); |
puts("<!-- End search form. //-->"); |
puts("<!-- End search form. //-->"); |
} |
} |
|
|
static void |
static int |
resp_index(const struct req *req) |
validate_urifrag(const char *frag) |
{ |
{ |
|
|
resp_begin_html(200, NULL); |
while ('\0' != *frag) { |
resp_searchform(req); |
if ( ! (isalnum((unsigned char)*frag) || |
resp_end_html(); |
'-' == *frag || '.' == *frag || |
|
'/' == *frag || '_' == *frag)) |
|
return 0; |
|
frag++; |
|
} |
|
return 1; |
} |
} |
|
|
static void |
static int |
resp_error400(void) |
validate_manpath(const struct req *req, const char* manpath) |
{ |
{ |
|
size_t i; |
|
|
resp_begin_html(400, "Query Malformed"); |
if ( ! strcmp(manpath, "mandoc")) |
printf("<H1>Malformed Query</H1>\n" |
return 1; |
"<P>\n" |
|
"The query your entered was malformed.\n" |
for (i = 0; i < req->psz; i++) |
"Try again from the\n" |
if ( ! strcmp(manpath, req->p[i])) |
"<A HREF=\"%s/index.html\">main page</A>.\n" |
return 1; |
"</P>", progname); |
|
resp_end_html(); |
return 0; |
} |
} |
|
|
|
static int |
|
validate_filename(const char *file) |
|
{ |
|
|
|
if ('.' == file[0] && '/' == file[1]) |
|
file += 2; |
|
|
|
return ! (strstr(file, "../") || strstr(file, "/..") || |
|
(strncmp(file, "man", 3) && strncmp(file, "cat", 3))); |
|
} |
|
|
static void |
static void |
resp_error404(const char *page) |
pg_index(const struct req *req) |
{ |
{ |
|
|
resp_begin_html(404, "Not Found"); |
resp_begin_html(200, NULL); |
puts("<H1>Page Not Found</H1>\n" |
resp_searchform(req); |
"<P>\n" |
printf("<P>\n" |
"The page you're looking for, "); |
"This web interface is documented in the\n" |
printf("<B>"); |
"<A HREF=\"/%s%smandoc/man8/man.cgi.8\">man.cgi</A>\n" |
html_print(page); |
"manual, and the\n" |
printf("</B>,\n" |
"<A HREF=\"/%s%smandoc/man1/apropos.1\">apropos</A>\n" |
"could not be found.\n" |
"manual explains the query syntax.\n" |
"Try searching from the\n" |
"</P>\n", |
"<A HREF=\"%s/index.html\">main page</A>.\n" |
scriptname, *scriptname == '\0' ? "" : "/", |
"</P>", progname); |
scriptname, *scriptname == '\0' ? "" : "/"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_bad(void) |
pg_noresult(const struct req *req, const char *msg) |
{ |
{ |
resp_begin_html(500, "Internal Server Error"); |
resp_begin_html(200, NULL); |
puts("<P>Generic badness happened.</P>"); |
resp_searchform(req); |
|
puts("<P>"); |
|
puts(msg); |
|
puts("</P>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_baddb(void) |
pg_error_badrequest(const char *msg) |
{ |
{ |
|
|
|
resp_begin_html(400, "Bad Request"); |
|
puts("<H1>Bad Request</H1>\n" |
|
"<P>\n"); |
|
puts(msg); |
|
printf("Try again from the\n" |
|
"<A HREF=\"/%s\">main page</A>.\n" |
|
"</P>", scriptname); |
|
resp_end_html(); |
|
} |
|
|
|
static void |
|
pg_error_internal(void) |
|
{ |
resp_begin_html(500, "Internal Server Error"); |
resp_begin_html(500, "Internal Server Error"); |
puts("<P>Your database is broken.</P>"); |
puts("<P>Internal Server Error</P>"); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
static void |
static void |
resp_search(struct res *r, size_t sz, void *arg) |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
{ |
{ |
int i; |
char *arch, *archend; |
const struct req *req; |
const char *sec; |
|
size_t i, iuse; |
|
int archprio, archpriouse; |
|
int prio, priouse; |
|
|
|
for (i = 0; i < sz; i++) { |
|
if (validate_filename(r[i].file)) |
|
continue; |
|
fprintf(stderr, "invalid filename %s in %s database\n", |
|
r[i].file, req->q.manpath); |
|
pg_error_internal(); |
|
return; |
|
} |
|
|
if (1 == sz) { |
if (1 == sz) { |
/* |
/* |
* If we have just one result, then jump there now |
* If we have just one result, then jump there now |
* without any delay. |
* without any delay. |
*/ |
*/ |
puts("Status: 303 See Other"); |
printf("Status: 303 See Other\r\n"); |
printf("Location: http://%s%s/show/%u/%u.html\n", |
printf("Location: http://%s/%s%s%s/%s", |
host, progname, |
HTTP_HOST, scriptname, |
r[0].volume, r[0].rec); |
*scriptname == '\0' ? "" : "/", |
puts("Content-Type: text/html; charset=utf-8\n"); |
req->q.manpath, r[0].file); |
|
printf("\r\n" |
|
"Content-Type: text/html; charset=utf-8\r\n" |
|
"\r\n"); |
return; |
return; |
} |
} |
|
|
qsort(r, sz, sizeof(struct res), cmp); |
|
|
|
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
|
|
req = (const struct req *)arg; |
|
resp_searchform(req); |
resp_searchform(req); |
|
puts("<DIV CLASS=\"results\">"); |
|
puts("<TABLE>"); |
|
|
if (0 == sz) { |
for (i = 0; i < sz; i++) { |
printf("<P>\n" |
|
"No %s results found.\n", |
|
req->q.whatis ? "whatis" : "apropos"); |
|
if (req->q.whatis) { |
|
printf("(Try <A HREF=\""); |
|
html_print(progname); |
|
printf("/search.html?op=apropos&expr="); |
|
html_print(req->q.expr ? req->q.expr : ""); |
|
printf("&sec="); |
|
html_print(req->q.sec ? req->q.sec : ""); |
|
printf("&arch="); |
|
html_print(req->q.arch ? req->q.arch : ""); |
|
puts("\">apropos</A>?)"); |
|
} |
|
puts("</P>"); |
|
resp_end_html(); |
|
return; |
|
} |
|
|
|
puts("<P></P>\n" |
|
"<TABLE>"); |
|
|
|
for (i = 0; i < (int)sz; i++) { |
|
printf("<TR>\n" |
printf("<TR>\n" |
"<TD CLASS=\"title\">\n" |
"<TD CLASS=\"title\">\n" |
"<A HREF=\""); |
"<A HREF=\"/%s%s%s/%s", |
html_print(progname); |
scriptname, *scriptname == '\0' ? "" : "/", |
printf("/show/%u/%u.html\">", r[i].volume, r[i].rec); |
req->q.manpath, r[i].file); |
html_print(r[i].title); |
printf("\">"); |
putchar('('); |
html_print(r[i].names); |
html_print(r[i].cat); |
printf("</A>\n" |
if (r[i].arch && '\0' != *r[i].arch) { |
|
putchar('/'); |
|
html_print(r[i].arch); |
|
} |
|
printf(")</A>\n" |
|
"</TD>\n" |
"</TD>\n" |
"<TD CLASS=\"desc\">"); |
"<TD CLASS=\"desc\">"); |
html_print(r[i].desc); |
html_print(r[i].output); |
puts("</TD>\n" |
puts("</TD>\n" |
"</TR>"); |
"</TR>"); |
} |
} |
|
|
puts("</TABLE>"); |
puts("</TABLE>\n" |
resp_end_html(); |
"</DIV>"); |
} |
|
|
|
/* ARGSUSED */ |
/* |
static void |
* In man(1) mode, show one of the pages |
pg_index(const struct req *req, char *path) |
* even if more than one is found. |
{ |
*/ |
|
|
resp_index(req); |
if (req->q.equal) { |
|
puts("<HR>"); |
|
iuse = 0; |
|
priouse = 20; |
|
archpriouse = 3; |
|
for (i = 0; i < sz; i++) { |
|
sec = r[i].file; |
|
sec += strcspn(sec, "123456789"); |
|
if (sec[0] == '\0') |
|
continue; |
|
prio = sec_prios[sec[0] - '1']; |
|
if (sec[1] != '/') |
|
prio += 10; |
|
if (req->q.arch == NULL) { |
|
archprio = |
|
((arch = strchr(sec + 1, '/')) |
|
== NULL) ? 3 : |
|
((archend = strchr(arch + 1, '/')) |
|
== NULL) ? 0 : |
|
strncmp(arch, "amd64/", |
|
archend - arch) ? 2 : 1; |
|
if (archprio < archpriouse) { |
|
archpriouse = archprio; |
|
priouse = prio; |
|
iuse = i; |
|
continue; |
|
} |
|
if (archprio > archpriouse) |
|
continue; |
|
} |
|
if (prio >= priouse) |
|
continue; |
|
priouse = prio; |
|
iuse = i; |
|
} |
|
resp_show(req, r[iuse].file); |
|
} |
|
|
|
resp_end_html(); |
} |
} |
|
|
static void |
static void |
catman(const char *file) |
catman(const struct req *req, const char *file) |
{ |
{ |
FILE *f; |
FILE *f; |
size_t len; |
|
int i; |
|
char *p; |
char *p; |
|
size_t sz; |
|
ssize_t len; |
|
int i; |
int italic, bold; |
int italic, bold; |
|
|
if (NULL == (f = fopen(file, "r"))) { |
if ((f = fopen(file, "r")) == NULL) { |
resp_baddb(); |
puts("<P>You specified an invalid manual file.</P>"); |
return; |
return; |
} |
} |
|
|
resp_begin_http(200, NULL); |
puts("<DIV CLASS=\"catman\">\n" |
puts("<!DOCTYPE HTML PUBLIC " |
|
" \"-//W3C//DTD HTML 4.01//EN\"" |
|
" \"http://www.w3.org/TR/html4/strict.dtd\">\n" |
|
"<HTML>\n" |
|
"<HEAD>\n" |
|
"<META HTTP-EQUIV=\"Content-Type\"" |
|
" CONTENT=\"text/html; charset=utf-8\">\n" |
|
"<LINK REL=\"stylesheet\" HREF=\"/catman.css\"" |
|
" TYPE=\"text/css\" media=\"all\">\n" |
|
"<TITLE>System Manpage Reference</TITLE>\n" |
|
"</HEAD>\n" |
|
"<BODY>\n" |
|
"<!-- Begin page content. //-->\n" |
|
"<PRE>"); |
"<PRE>"); |
|
|
while (NULL != (p = fgetln(f, &len))) { |
p = NULL; |
|
sz = 0; |
|
|
|
while ((len = getline(&p, &sz, f)) != -1) { |
bold = italic = 0; |
bold = italic = 0; |
for (i = 0; i < (int)len - 1; i++) { |
for (i = 0; i < len - 1; i++) { |
/* |
/* |
* This means that the catpage is out of state. |
* This means that the catpage is out of state. |
* Ignore it and keep going (although the |
* Ignore it and keep going (although the |
* catpage is bogus). |
* catpage is bogus). |
Line 576 catman(const char *file) |
|
Line 702 catman(const char *file) |
|
italic = bold = 0; |
italic = bold = 0; |
html_putchar(p[i]); |
html_putchar(p[i]); |
continue; |
continue; |
} else if (i + 2 >= (int)len) |
} else if (i + 2 >= len) |
continue; |
continue; |
|
|
/* Italic mode. */ |
/* Italic mode. */ |
Line 593 catman(const char *file) |
|
Line 719 catman(const char *file) |
|
continue; |
continue; |
} |
} |
|
|
/* |
/* |
* Handle funny behaviour troff-isms. |
* Handle funny behaviour troff-isms. |
* These grok'd from the original man2html.c. |
* These grok'd from the original man2html.c. |
*/ |
*/ |
Line 631 catman(const char *file) |
|
Line 757 catman(const char *file) |
|
} |
} |
|
|
/* Bold mode. */ |
/* Bold mode. */ |
|
|
if (italic) |
if (italic) |
printf("</I>"); |
printf("</I>"); |
if ( ! bold) |
if ( ! bold) |
Line 642 catman(const char *file) |
|
Line 768 catman(const char *file) |
|
html_putchar(p[i]); |
html_putchar(p[i]); |
} |
} |
|
|
/* |
/* |
* Clean up the last character. |
* Clean up the last character. |
* We can get to a newline; don't print that. |
* We can get to a newline; don't print that. |
*/ |
*/ |
|
|
if (italic) |
if (italic) |
Line 652 catman(const char *file) |
|
Line 778 catman(const char *file) |
|
if (bold) |
if (bold) |
printf("</B>"); |
printf("</B>"); |
|
|
if (i == (int)len - 1 && '\n' != p[i]) |
if (i == len - 1 && p[i] != '\n') |
html_putchar(p[i]); |
html_putchar(p[i]); |
|
|
putchar('\n'); |
putchar('\n'); |
} |
} |
|
free(p); |
|
|
puts("</PRE>\n" |
puts("</PRE>\n" |
"</BODY>\n" |
"</DIV>"); |
"</HTML>"); |
|
|
|
fclose(f); |
fclose(f); |
} |
} |
|
|
static void |
static void |
format(const char *file) |
format(const struct req *req, const char *file) |
{ |
{ |
|
struct manoutput conf; |
struct mparse *mp; |
struct mparse *mp; |
int fd; |
struct roff_man *man; |
struct mdoc *mdoc; |
|
struct man *man; |
|
void *vp; |
void *vp; |
enum mandoclevel rc; |
int fd; |
char opts[MAXPATHLEN + 128]; |
int usepath; |
|
|
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
resp_baddb(); |
puts("<P>You specified an invalid manual file.</P>"); |
return; |
return; |
} |
} |
|
|
mp = mparse_alloc(MPARSE_AUTO, MANDOCLEVEL_FATAL, NULL, NULL); |
mchars_alloc(); |
rc = mparse_readfd(mp, fd, file); |
mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, req->q.manpath); |
|
mparse_readfd(mp, fd, file); |
close(fd); |
close(fd); |
|
|
if (rc >= MANDOCLEVEL_FATAL) { |
memset(&conf, 0, sizeof(conf)); |
resp_baddb(); |
conf.fragment = 1; |
|
usepath = strcmp(req->q.manpath, req->p[0]); |
|
mandoc_asprintf(&conf.man, "/%s?query=%%N&sec=%%S%s%s%s%s", |
|
scriptname, |
|
req->q.arch ? "&arch=" : "", |
|
req->q.arch ? req->q.arch : "", |
|
usepath ? "&manpath=" : "", |
|
usepath ? req->q.manpath : ""); |
|
|
|
mparse_result(mp, &man, NULL); |
|
if (man == NULL) { |
|
fprintf(stderr, "fatal mandoc error: %s/%s\n", |
|
req->q.manpath, file); |
|
pg_error_internal(); |
|
mparse_free(mp); |
|
mchars_free(); |
return; |
return; |
} |
} |
|
|
snprintf(opts, sizeof(opts), "style=/man.css," |
vp = html_alloc(&conf); |
"man=%s/search.html?sec=%%S&expr=%%N," |
|
/*"includes=/cgi-bin/man.cgi/usr/include/%%I"*/, |
|
progname); |
|
|
|
mparse_result(mp, &mdoc, &man); |
if (man->macroset == MACROSET_MDOC) { |
vp = html_alloc(opts); |
mdoc_validate(man); |
|
html_mdoc(vp, man); |
if (NULL != mdoc) { |
} else { |
resp_begin_http(200, NULL); |
man_validate(man); |
html_mdoc(vp, mdoc); |
|
} else if (NULL != man) { |
|
resp_begin_http(200, NULL); |
|
html_man(vp, man); |
html_man(vp, man); |
} else |
} |
resp_baddb(); |
|
|
|
html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
|
mchars_free(); |
|
free(conf.man); |
} |
} |
|
|
static void |
static void |
pg_show(const struct req *req, char *path) |
resp_show(const struct req *req, const char *file) |
{ |
{ |
struct manpaths ps; |
|
char *sub; |
|
char file[MAXPATHLEN]; |
|
const char *fn, *cp; |
|
int rc; |
|
unsigned int vol, rec; |
|
DB *idx; |
|
DBT key, val; |
|
|
|
idx = NULL; |
if ('.' == file[0] && '/' == file[1]) |
|
file += 2; |
|
|
if (0 == req->psz || NULL == path) { |
if ('c' == *file) |
resp_error400(); |
catman(req, file); |
|
else |
|
format(req, file); |
|
} |
|
|
|
static void |
|
pg_show(struct req *req, const char *fullpath) |
|
{ |
|
char *manpath; |
|
const char *file; |
|
|
|
if ((file = strchr(fullpath, '/')) == NULL) { |
|
pg_error_badrequest( |
|
"You did not specify a page to show."); |
return; |
return; |
} else if (NULL == (sub = strrchr(path, '/'))) { |
} |
resp_error400(); |
manpath = mandoc_strndup(fullpath, file - fullpath); |
|
file++; |
|
|
|
if ( ! validate_manpath(req, manpath)) { |
|
pg_error_badrequest( |
|
"You specified an invalid manpath."); |
|
free(manpath); |
return; |
return; |
} else |
} |
*sub++ = '\0'; |
|
|
|
/* |
/* |
* Begin by chdir()ing into the root of the manpath. |
* Begin by chdir()ing into the manpath. |
* This way we can pick up the database files, which are |
* This way we can pick up the database files, which are |
* relative to the manpath root. |
* relative to the manpath root. |
*/ |
*/ |
|
|
if (-1 == chdir(req->p[0].path)) { |
if (chdir(manpath) == -1) { |
perror(req->p[0].path); |
fprintf(stderr, "chdir %s: %s\n", |
resp_error400(); |
manpath, strerror(errno)); |
|
pg_error_internal(); |
|
free(manpath); |
return; |
return; |
} |
} |
|
|
memset(&ps, 0, sizeof(struct manpaths)); |
if (strcmp(manpath, "mandoc")) { |
manpath_manconf("etc/catman.conf", &ps); |
free(req->q.manpath); |
|
req->q.manpath = manpath; |
|
} else |
|
free(manpath); |
|
|
if ( ! (atou(path, &vol) && atou(sub, &rec))) { |
if ( ! validate_filename(file)) { |
resp_error400(); |
pg_error_badrequest( |
goto out; |
"You specified an invalid manual file."); |
} else if (vol >= (unsigned int)ps.sz) { |
return; |
resp_error400(); |
|
goto out; |
|
} |
} |
|
|
strlcpy(file, ps.paths[vol], MAXPATHLEN); |
resp_begin_html(200, NULL); |
strlcat(file, "/mandoc.index", MAXPATHLEN); |
resp_searchform(req); |
|
resp_show(req, file); |
/* Open the index recno(3) database. */ |
resp_end_html(); |
|
|
idx = dbopen(file, O_RDONLY, 0, DB_RECNO, NULL); |
|
if (NULL == idx) { |
|
perror(file); |
|
resp_baddb(); |
|
goto out; |
|
} |
|
|
|
key.data = &rec; |
|
key.size = 4; |
|
|
|
if (0 != (rc = (*idx->get)(idx, &key, &val, 0))) { |
|
rc < 0 ? resp_baddb() : resp_error400(); |
|
goto out; |
|
} |
|
|
|
cp = (char *)val.data; |
|
|
|
if (NULL == (fn = memchr(cp, '\0', val.size))) |
|
resp_baddb(); |
|
else if (++fn - cp >= (int)val.size) |
|
resp_baddb(); |
|
else if (NULL == memchr(fn, '\0', val.size - (fn - cp))) |
|
resp_baddb(); |
|
else { |
|
if (0 == strcmp(cp, "cat")) |
|
catman(fn + 1); |
|
else |
|
format(fn + 1); |
|
} |
|
out: |
|
if (idx) |
|
(*idx->close)(idx); |
|
manpath_free(&ps); |
|
} |
} |
|
|
static void |
static void |
pg_search(const struct req *req, char *path) |
pg_search(const struct req *req) |
{ |
{ |
size_t tt; |
struct mansearch search; |
struct manpaths ps; |
struct manpaths paths; |
int i, sz, rc; |
struct manpage *res; |
const char *ep, *start; |
char **argv; |
char **cp; |
char *query, *rp, *wp; |
struct opts opt; |
size_t ressz; |
struct expr *expr; |
int argc; |
|
|
if (0 == req->psz) { |
|
resp_search(NULL, 0, (void *)req); |
|
return; |
|
} |
|
|
|
memset(&opt, 0, sizeof(struct opts)); |
|
|
|
ep = req->q.expr; |
|
opt.arch = req->q.arch; |
|
opt.cat = req->q.sec; |
|
rc = -1; |
|
sz = 0; |
|
cp = NULL; |
|
|
|
/* |
/* |
* Begin by chdir()ing into the root of the manpath. |
* Begin by chdir()ing into the root of the manpath. |
* This way we can pick up the database files, which are |
* This way we can pick up the database files, which are |
* relative to the manpath root. |
* relative to the manpath root. |
*/ |
*/ |
|
|
if (-1 == (chdir(req->p[0].path))) { |
if (-1 == (chdir(req->q.manpath))) { |
perror(req->p[0].path); |
fprintf(stderr, "chdir %s: %s\n", |
resp_search(NULL, 0, (void *)req); |
req->q.manpath, strerror(errno)); |
|
pg_error_internal(); |
return; |
return; |
} |
} |
|
|
memset(&ps, 0, sizeof(struct manpaths)); |
search.arch = req->q.arch; |
manpath_manconf("etc/catman.conf", &ps); |
search.sec = req->q.sec; |
|
search.outkey = "Nd"; |
|
search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR; |
|
search.firstmatch = 1; |
|
|
|
paths.sz = 1; |
|
paths.paths = mandoc_malloc(sizeof(char *)); |
|
paths.paths[0] = mandoc_strdup("."); |
|
|
/* |
/* |
* Poor man's tokenisation: just break apart by spaces. |
* Break apart at spaces with backslash-escaping. |
* Yes, this is half-ass. But it works for now. |
|
*/ |
*/ |
|
|
while (ep && isspace((unsigned char)*ep)) |
argc = 0; |
ep++; |
argv = NULL; |
|
rp = query = mandoc_strdup(req->q.query); |
while (ep && '\0' != *ep) { |
for (;;) { |
cp = mandoc_realloc(cp, (sz + 1) * sizeof(char *)); |
while (isspace((unsigned char)*rp)) |
start = ep; |
rp++; |
while ('\0' != *ep && ! isspace((unsigned char)*ep)) |
if (*rp == '\0') |
ep++; |
break; |
cp[sz] = mandoc_malloc((ep - start) + 1); |
argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *)); |
memcpy(cp[sz], start, ep - start); |
argv[argc++] = wp = rp; |
cp[sz++][ep - start] = '\0'; |
for (;;) { |
while (isspace((unsigned char)*ep)) |
if (isspace((unsigned char)*rp)) { |
ep++; |
*wp = '\0'; |
|
rp++; |
|
break; |
|
} |
|
if (rp[0] == '\\' && rp[1] != '\0') |
|
rp++; |
|
if (wp != rp) |
|
*wp = *rp; |
|
if (*rp == '\0') |
|
break; |
|
wp++; |
|
rp++; |
|
} |
} |
} |
|
|
/* |
if (0 == mansearch(&search, &paths, argc, argv, &res, &ressz)) |
* Pump down into apropos backend. |
pg_noresult(req, "You entered an invalid query."); |
* The resp_search() function is called with the results. |
else if (0 == ressz) |
*/ |
pg_noresult(req, "No results found."); |
|
else |
|
pg_searchres(req, res, ressz); |
|
|
expr = req->q.whatis ? |
free(query); |
termcomp(sz, cp, &tt) : exprcomp(sz, cp, &tt); |
mansearch_free(res, ressz); |
|
free(paths.paths[0]); |
if (NULL != expr) |
free(paths.paths); |
rc = apropos_search |
|
(ps.sz, ps.paths, &opt, |
|
expr, tt, (void *)req, resp_search); |
|
|
|
/* ...unless errors occured. */ |
|
|
|
if (0 == rc) |
|
resp_baddb(); |
|
else if (-1 == rc) |
|
resp_search(NULL, 0, (void *)req); |
|
|
|
for (i = 0; i < sz; i++) |
|
free(cp[i]); |
|
|
|
free(cp); |
|
exprfree(expr); |
|
manpath_free(&ps); |
|
} |
} |
|
|
int |
int |
main(void) |
main(void) |
{ |
{ |
int i; |
|
char buf[MAXPATHLEN]; |
|
DIR *cwd; |
|
struct req req; |
struct req req; |
char *p, *path, *subpath; |
struct itimerval itimer; |
|
const char *path; |
|
const char *querystring; |
|
int i; |
|
|
/* Scan our run-time environment. */ |
/* Poor man's ReDoS mitigation. */ |
|
|
progname = getenv("SCRIPT_NAME"); |
itimer.it_value.tv_sec = 2; |
if (NULL == progname) |
itimer.it_value.tv_usec = 0; |
progname = ""; |
itimer.it_interval.tv_sec = 2; |
|
itimer.it_interval.tv_usec = 0; |
|
if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) { |
|
fprintf(stderr, "setitimer: %s\n", strerror(errno)); |
|
pg_error_internal(); |
|
return EXIT_FAILURE; |
|
} |
|
|
cache = getenv("CACHE_DIR"); |
|
if (NULL == cache) |
|
cache = "/cache/man.cgi"; |
|
|
|
host = getenv("HTTP_HOST"); |
|
if (NULL == host) |
|
host = "localhost"; |
|
|
|
/* |
/* |
* First we change directory into the cache directory so that |
* First we change directory into the MAN_DIR so that |
* subsequent scanning for manpath directories is rooted |
* subsequent scanning for manpath directories is rooted |
* relative to the same position. |
* relative to the same position. |
*/ |
*/ |
|
|
if (-1 == chdir(cache)) { |
if (-1 == chdir(MAN_DIR)) { |
perror(cache); |
fprintf(stderr, "MAN_DIR: %s: %s\n", |
resp_bad(); |
MAN_DIR, strerror(errno)); |
return(EXIT_FAILURE); |
pg_error_internal(); |
} else if (NULL == (cwd = opendir(cache))) { |
return EXIT_FAILURE; |
perror(cache); |
} |
resp_bad(); |
|
return(EXIT_FAILURE); |
|
} |
|
|
|
memset(&req, 0, sizeof(struct req)); |
memset(&req, 0, sizeof(struct req)); |
|
req.q.equal = 1; |
|
pathgen(&req); |
|
|
strlcpy(buf, ".", MAXPATHLEN); |
/* Parse the path info and the query string. */ |
pathgen(cwd, buf, &req); |
|
closedir(cwd); |
|
|
|
/* Next parse out the query string. */ |
if ((path = getenv("PATH_INFO")) == NULL) |
|
path = ""; |
|
else if (*path == '/') |
|
path++; |
|
|
if (NULL != (p = getenv("QUERY_STRING"))) |
if (*path != '\0' && access(path, F_OK) == -1) { |
http_parse(&req.q, p); |
path_parse(&req, path); |
|
path = ""; |
|
} else if ((querystring = getenv("QUERY_STRING")) != NULL) |
|
http_parse(&req, querystring); |
|
|
/* |
/* Validate parsed data and add defaults. */ |
* Now juggle paths to extract information. |
|
* We want to extract our filetype (the file suffix), the |
|
* initial path component, then the trailing component(s). |
|
* Start with leading subpath component. |
|
*/ |
|
|
|
subpath = path = NULL; |
if (req.q.manpath == NULL) |
req.page = PAGE__MAX; |
req.q.manpath = mandoc_strdup(req.p[0]); |
|
else if ( ! validate_manpath(&req, req.q.manpath)) { |
|
pg_error_badrequest( |
|
"You specified an invalid manpath."); |
|
return EXIT_FAILURE; |
|
} |
|
|
if (NULL == (path = getenv("PATH_INFO")) || '\0' == *path) |
if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { |
req.page = PAGE_INDEX; |
pg_error_badrequest( |
|
"You specified an invalid architecture."); |
|
return EXIT_FAILURE; |
|
} |
|
|
if (NULL != path && '/' == *path && '\0' == *++path) |
/* Dispatch to the three different pages. */ |
req.page = PAGE_INDEX; |
|
|
|
/* Strip file suffix. */ |
if ('\0' != *path) |
|
pg_show(&req, path); |
|
else if (NULL != req.q.query) |
|
pg_search(&req); |
|
else |
|
pg_index(&req); |
|
|
if (NULL != path && NULL != (p = strrchr(path, '.'))) |
free(req.q.manpath); |
if (NULL != p && NULL == strchr(p, '/')) |
free(req.q.arch); |
*p++ = '\0'; |
free(req.q.sec); |
|
free(req.q.query); |
|
for (i = 0; i < (int)req.psz; i++) |
|
free(req.p[i]); |
|
free(req.p); |
|
return EXIT_SUCCESS; |
|
} |
|
|
/* Resolve subpath component. */ |
/* |
|
* If PATH_INFO is not a file name, translate it to a query. |
|
*/ |
|
static void |
|
path_parse(struct req *req, const char *path) |
|
{ |
|
int dir_done; |
|
|
if (NULL != path && NULL != (subpath = strchr(path, '/'))) |
req->q.equal = 1; |
*subpath++ = '\0'; |
req->q.manpath = mandoc_strdup(path); |
|
|
/* Map path into one we recognise. */ |
/* Mandatory manual page name. */ |
|
if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) { |
|
req->q.query = req->q.manpath; |
|
req->q.manpath = NULL; |
|
} else |
|
*req->q.query++ = '\0'; |
|
|
if (NULL != path && '\0' != *path) |
/* Optional trailing section. */ |
for (i = 0; i < (int)PAGE__MAX; i++) |
if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) { |
if (0 == strcmp(pages[i], path)) { |
if(isdigit((unsigned char)req->q.sec[1])) { |
req.page = (enum page)i; |
*req->q.sec++ = '\0'; |
break; |
req->q.sec = mandoc_strdup(req->q.sec); |
} |
} else |
|
req->q.sec = NULL; |
/* Route pages. */ |
|
|
|
switch (req.page) { |
|
case (PAGE_INDEX): |
|
pg_index(&req, subpath); |
|
break; |
|
case (PAGE_SEARCH): |
|
pg_search(&req, subpath); |
|
break; |
|
case (PAGE_SHOW): |
|
pg_show(&req, subpath); |
|
break; |
|
default: |
|
resp_error404(path); |
|
break; |
|
} |
} |
|
|
for (i = 0; i < (int)req.psz; i++) { |
/* Handle the case of name[.section] only. */ |
free(req.p[i].path); |
if (req->q.manpath == NULL) { |
free(req.p[i].name); |
req->q.arch = NULL; |
|
return; |
} |
} |
|
req->q.query = mandoc_strdup(req->q.query); |
|
|
free(req.p); |
/* Optional architecture. */ |
return(EXIT_SUCCESS); |
dir_done = 0; |
} |
for (;;) { |
|
if ((req->q.arch = strrchr(req->q.manpath, '/')) == NULL) |
|
break; |
|
*req->q.arch++ = '\0'; |
|
if (dir_done || strncmp(req->q.arch, "man", 3)) { |
|
req->q.arch = mandoc_strdup(req->q.arch); |
|
break; |
|
} |
|
|
static int |
/* Optional directory name. */ |
cmp(const void *p1, const void *p2) |
req->q.arch += 3; |
{ |
if (*req->q.arch != '\0') { |
|
free(req->q.sec); |
return(strcasecmp(((const struct res *)p1)->title, |
req->q.sec = mandoc_strdup(req->q.arch); |
((const struct res *)p2)->title)); |
} |
|
dir_done = 1; |
|
} |
} |
} |
|
|
/* |
/* |
* Check to see if an "etc" path consists of a catman.conf file. If it |
|
* does, that means that the path contains a tree created by catman(8) |
|
* and should be used for indexing. |
|
*/ |
|
static int |
|
pathstop(DIR *dir) |
|
{ |
|
struct dirent *d; |
|
|
|
while (NULL != (d = readdir(dir))) |
|
if (DT_REG == d->d_type) |
|
if (0 == strcmp(d->d_name, "catman.conf")) |
|
return(1); |
|
|
|
return(0); |
|
} |
|
|
|
/* |
|
* Scan for indexable paths. |
* Scan for indexable paths. |
* This adds all paths with "etc/catman.conf" to the buffer. |
|
*/ |
*/ |
static void |
static void |
pathgen(DIR *dir, char *path, struct req *req) |
pathgen(struct req *req) |
{ |
{ |
struct dirent *d; |
FILE *fp; |
char *cp; |
char *dp; |
DIR *cd; |
size_t dpsz; |
int rc; |
ssize_t len; |
size_t sz, ssz; |
|
|
|
sz = strlcat(path, "/", MAXPATHLEN); |
if (NULL == (fp = fopen("manpath.conf", "r"))) { |
if (sz >= MAXPATHLEN) { |
fprintf(stderr, "%s/manpath.conf: %s\n", |
fprintf(stderr, "%s: Path too long", path); |
MAN_DIR, strerror(errno)); |
return; |
pg_error_internal(); |
} |
exit(EXIT_FAILURE); |
|
|
/* |
|
* First, scan for the "etc" directory. |
|
* If it's found, then see if it should cause us to stop. This |
|
* happens when a catman.conf is found in the directory. |
|
*/ |
|
|
|
rc = 0; |
|
while (0 == rc && NULL != (d = readdir(dir))) { |
|
if (DT_DIR != d->d_type || strcmp(d->d_name, "etc")) |
|
continue; |
|
|
|
path[(int)sz] = '\0'; |
|
ssz = strlcat(path, d->d_name, MAXPATHLEN); |
|
|
|
if (ssz >= MAXPATHLEN) { |
|
fprintf(stderr, "%s: Path too long", path); |
|
return; |
|
} else if (NULL == (cd = opendir(path))) { |
|
perror(path); |
|
return; |
|
} |
|
|
|
rc = pathstop(cd); |
|
closedir(cd); |
|
} |
} |
|
|
if (rc > 0) { |
dp = NULL; |
/* This also strips the trailing slash. */ |
dpsz = 0; |
path[(int)sz - 1] = '\0'; |
|
req->p = mandoc_realloc |
|
(req->p, |
|
(req->psz + 1) * sizeof(struct paths)); |
|
req->p[(int)req->psz].path = mandoc_strdup(path); |
|
/* And this strips out the leading "./". */ |
|
req->p[(int)req->psz].name = |
|
cp = mandoc_strdup(path + 2); |
|
req->psz++; |
|
/* |
|
* The name is just the path with all the slashes taken |
|
* out of it. Simple but effective. |
|
*/ |
|
for ( ; '\0' != *cp; cp++) |
|
if ('/' == *cp) |
|
*cp = ' '; |
|
return; |
|
} |
|
|
|
/* |
while ((len = getline(&dp, &dpsz, fp)) != -1) { |
* If no etc/catman.conf was found, recursively enter child |
if (dp[len - 1] == '\n') |
* directory and continue scanning. |
dp[--len] = '\0'; |
*/ |
req->p = mandoc_realloc(req->p, |
|
(req->psz + 1) * sizeof(char *)); |
rewinddir(dir); |
if ( ! validate_urifrag(dp)) { |
while (NULL != (d = readdir(dir))) { |
fprintf(stderr, "%s/manpath.conf contains " |
if (DT_DIR != d->d_type || '.' == d->d_name[0]) |
"unsafe path \"%s\"\n", MAN_DIR, dp); |
continue; |
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
path[(int)sz] = '\0'; |
|
ssz = strlcat(path, d->d_name, MAXPATHLEN); |
|
|
|
if (ssz >= MAXPATHLEN) { |
|
fprintf(stderr, "%s: Path too long", path); |
|
return; |
|
} else if (NULL == (cd = opendir(path))) { |
|
perror(path); |
|
return; |
|
} |
} |
|
if (NULL != strchr(dp, '/')) { |
|
fprintf(stderr, "%s/manpath.conf contains " |
|
"path with slash \"%s\"\n", MAN_DIR, dp); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
|
} |
|
req->p[req->psz++] = dp; |
|
dp = NULL; |
|
dpsz = 0; |
|
} |
|
free(dp); |
|
|
pathgen(cd, path, req); |
if ( req->p == NULL ) { |
closedir(cd); |
fprintf(stderr, "%s/manpath.conf is empty\n", MAN_DIR); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
} |
} |
} |
} |