version 1.75, 2014/07/18 19:03:39 |
version 1.99, 2014/10/07 18:20:06 |
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* 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 |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <ctype.h> |
#include <ctype.h> |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <limits.h> |
#include <limits.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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* A query as passed to the search function. |
* A query as passed to the search function. |
*/ |
*/ |
struct query { |
struct query { |
const char *manpath; /* desired manual directory */ |
char *manpath; /* desired manual directory */ |
const char *arch; /* architecture */ |
char *arch; /* architecture */ |
const char *sec; /* manual section */ |
char *sec; /* manual section */ |
const char *expr; /* unparsed expression string */ |
char *query; /* unparsed query expression */ |
int equal; /* match whole names, not substrings */ |
int equal; /* match whole names, not substrings */ |
}; |
}; |
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}; |
}; |
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static void catman(const struct req *, const char *); |
static void catman(const struct req *, const char *); |
static int cmp(const void *, const void *); |
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static void format(const struct req *, const char *); |
static void format(const struct req *, const char *); |
static void html_print(const char *); |
static void html_print(const char *); |
static void html_printquery(const struct req *); |
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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 req *, char *); |
static void http_parse(struct req *, const char *); |
static void http_print(const char *); |
static void http_print(const char *); |
static void http_putchar(char); |
static void http_putchar(char); |
static void http_printquery(const struct req *); |
static void http_printquery(const struct req *, const char *); |
static void pathgen(struct req *); |
static void pathgen(struct req *); |
static void pg_error_badrequest(const char *); |
static void pg_error_badrequest(const char *); |
static void pg_error_internal(void); |
static void pg_error_internal(void); |
Line 71 static void pg_noresult(const struct req *, const ch |
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Line 71 static void pg_noresult(const struct req *, const ch |
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static void pg_search(const struct req *); |
static void pg_search(const struct req *); |
static void pg_searchres(const struct req *, |
static void pg_searchres(const struct req *, |
struct manpage *, size_t); |
struct manpage *, size_t); |
static void pg_show(const struct req *, const char *); |
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_end_html(void); |
static void resp_end_html(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 resp_show(const struct req *, const char *); |
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static void set_query_attr(char **, char **); |
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static int validate_filename(const char *); |
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static int validate_manpath(const struct req *, const char *); |
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static int validate_urifrag(const char *); |
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static const char *scriptname; /* CGI script name */ |
static const char *scriptname; /* CGI script name */ |
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Line 88 static const char *const sec_names[] = { |
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Line 92 static const char *const sec_names[] = { |
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"All Sections", |
"All Sections", |
"1 - General Commands", |
"1 - General Commands", |
"2 - System Calls", |
"2 - System Calls", |
"3 - Subroutines", |
"3 - Library Functions", |
"3p - Perl Subroutines", |
"3p - Perl Library", |
"4 - Special Files", |
"4 - Device Drivers", |
"5 - File Formats", |
"5 - File Formats", |
"6 - Games", |
"6 - Games", |
"7 - Macros and Conventions", |
"7 - Miscellaneous Information", |
"8 - Maintenance Commands", |
"8 - System Manager\'s Manual", |
"9 - Kernel Interface" |
"9 - Kernel Developer\'s Manual" |
}; |
}; |
static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
static const int sec_MAX = sizeof(sec_names) / sizeof(char *); |
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Line 142 html_putchar(char c) |
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Line 146 html_putchar(char c) |
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} |
} |
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static void |
static void |
http_printquery(const struct req *req) |
http_printquery(const struct req *req, const char *sep) |
{ |
{ |
|
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if (NULL != req->q.manpath) { |
if (NULL != req->q.query) { |
printf("&manpath="); |
printf("query="); |
http_print(req->q.manpath); |
http_print(req->q.query); |
} |
} |
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if (0 == req->q.equal) |
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printf("%sapropos=1", sep); |
if (NULL != req->q.sec) { |
if (NULL != req->q.sec) { |
printf("&sec="); |
printf("%ssec=", sep); |
http_print(req->q.sec); |
http_print(req->q.sec); |
} |
} |
if (NULL != req->q.arch) { |
if (NULL != req->q.arch) { |
printf("&arch="); |
printf("%sarch=", sep); |
http_print(req->q.arch); |
http_print(req->q.arch); |
} |
} |
if (NULL != req->q.expr) { |
if (NULL != req->q.manpath && |
printf("&query="); |
strcmp(req->q.manpath, req->p[0])) { |
http_print(req->q.expr); |
printf("%smanpath=", sep); |
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http_print(req->q.manpath); |
} |
} |
if (0 == req->q.equal) |
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printf("&apropos=1"); |
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} |
} |
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static void |
static void |
html_printquery(const struct req *req) |
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{ |
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if (NULL != req->q.manpath) { |
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printf("&manpath="); |
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html_print(req->q.manpath); |
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} |
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if (NULL != req->q.sec) { |
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printf("&sec="); |
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html_print(req->q.sec); |
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} |
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if (NULL != req->q.arch) { |
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printf("&arch="); |
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html_print(req->q.arch); |
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} |
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if (NULL != req->q.expr) { |
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printf("&query="); |
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html_print(req->q.expr); |
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} |
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if (0 == req->q.equal) |
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printf("&apropos=1"); |
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} |
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static void |
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http_print(const char *p) |
http_print(const char *p) |
{ |
{ |
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Line 214 html_print(const char *p) |
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Line 195 html_print(const char *p) |
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} |
} |
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/* |
/* |
* 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. |
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*/ |
*/ |
static void |
static void |
http_parse(struct req *req, char *p) |
set_query_attr(char **attr, char **val) |
{ |
{ |
char *key, *val; |
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memset(&req->q, 0, sizeof(struct query)); |
free(*attr); |
req->q.manpath = req->p[0]; |
if (**val == '\0') { |
req->q.equal = 1; |
*attr = NULL; |
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free(*val); |
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} else |
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*attr = *val; |
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*val = NULL; |
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} |
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while ('\0' != *p) { |
/* |
key = p; |
* Parse the QUERY_STRING for key-value pairs |
val = NULL; |
* and store the values into the query structure. |
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*/ |
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static void |
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http_parse(struct req *req, const char *qs) |
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{ |
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char *key, *val; |
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size_t keysz, valsz; |
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p += (int)strcspn(p, ";&"); |
req->q.manpath = NULL; |
if ('\0' != *p) |
req->q.arch = NULL; |
*p++ = '\0'; |
req->q.sec = NULL; |
if (NULL != (val = strchr(key, '='))) |
req->q.query = NULL; |
*val++ = '\0'; |
req->q.equal = 1; |
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if ('\0' == *key || NULL == val || '\0' == *val) |
key = val = NULL; |
continue; |
while (*qs != '\0') { |
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/* Just abort handling. */ |
/* Parse one key. */ |
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if ( ! http_decode(key)) |
keysz = strcspn(qs, "=;&"); |
break; |
key = mandoc_strndup(qs, keysz); |
if (NULL != val && ! http_decode(val)) |
qs += keysz; |
break; |
if (*qs != '=') |
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goto next; |
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if (0 == strcmp(key, "query")) |
/* Parse one value. */ |
req->q.expr = val; |
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else if (0 == strcmp(key, "manpath")) { |
valsz = strcspn(++qs, ";&"); |
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val = mandoc_strndup(qs, valsz); |
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qs += valsz; |
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/* Decode and catch encoding errors. */ |
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if ( ! (http_decode(key) && http_decode(val))) |
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goto next; |
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/* Handle key-value pairs. */ |
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if ( ! strcmp(key, "query")) |
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set_query_attr(&req->q.query, &val); |
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else if ( ! strcmp(key, "apropos")) |
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req->q.equal = !strcmp(val, "0"); |
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else if ( ! strcmp(key, "manpath")) { |
#ifdef COMPAT_OLDURI |
#ifdef COMPAT_OLDURI |
if (0 == strncmp(val, "OpenBSD ", 8)) { |
if ( ! strncmp(val, "OpenBSD ", 8)) { |
val[7] = '-'; |
val[7] = '-'; |
if ('C' == val[8]) |
if ('C' == val[8]) |
val[8] = 'c'; |
val[8] = 'c'; |
} |
} |
#endif |
#endif |
req->q.manpath = val; |
set_query_attr(&req->q.manpath, &val); |
} else if (0 == strcmp(key, "apropos")) |
} |
req->q.equal = !strcmp(val, "0"); |
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else if (0 == strcmp(key, "sec")) { |
else if ( ! (strcmp(key, "sec") |
if (strcmp(val, "0")) |
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req->q.sec = val; |
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#ifdef COMPAT_OLDURI |
#ifdef COMPAT_OLDURI |
} else if (0 == strcmp(key, "sektion")) { |
&& strcmp(key, "sektion") |
if (strcmp(val, "0")) |
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req->q.sec = val; |
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#endif |
#endif |
} else if (0 == strcmp(key, "arch")) { |
)) { |
if (strcmp(val, "default")) |
if ( ! strcmp(val, "0")) |
req->q.arch = val; |
*val = '\0'; |
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set_query_attr(&req->q.sec, &val); |
} |
} |
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else if ( ! strcmp(key, "arch")) { |
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if ( ! strcmp(val, "default")) |
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*val = '\0'; |
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set_query_attr(&req->q.arch, &val); |
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} |
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/* |
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* The key must be freed in any case. |
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* The val may have been handed over to the query |
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* structure, in which case it is now NULL. |
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*/ |
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next: |
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free(key); |
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key = NULL; |
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free(val); |
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val = NULL; |
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if (*qs != '\0') |
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qs++; |
} |
} |
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/* Fall back to the default manpath. */ |
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if (req->q.manpath == NULL) |
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req->q.manpath = mandoc_strdup(req->p[0]); |
} |
} |
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static void |
static void |
Line 346 resp_begin_html(int code, const char *msg) |
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Line 376 resp_begin_html(int code, const char *msg) |
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resp_begin_http(code, msg); |
resp_begin_http(code, msg); |
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printf("<!DOCTYPE HTML PUBLIC " |
printf("<!DOCTYPE html>\n" |
" \"-//W3C//DTD HTML 4.01//EN\"" |
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" \"http://www.w3.org/TR/html4/strict.dtd\">\n" |
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"<HTML>\n" |
"<HTML>\n" |
"<HEAD>\n" |
"<HEAD>\n" |
"<META HTTP-EQUIV=\"Content-Type\"" |
"<META CHARSET=\"UTF-8\" />\n" |
" CONTENT=\"text/html; charset=utf-8\">\n" |
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"<LINK REL=\"stylesheet\" HREF=\"%s/man-cgi.css\"" |
"<LINK REL=\"stylesheet\" HREF=\"%s/man-cgi.css\"" |
" TYPE=\"text/css\" media=\"all\">\n" |
" TYPE=\"text/css\" media=\"all\">\n" |
"<LINK REL=\"stylesheet\" HREF=\"%s/man.css\"" |
"<LINK REL=\"stylesheet\" HREF=\"%s/man.css\"" |
Line 389 resp_searchform(const struct req *req) |
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Line 416 resp_searchform(const struct req *req) |
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printf( "<TABLE><TR><TD>\n" |
printf( "<TABLE><TR><TD>\n" |
"<INPUT TYPE=\"text\" NAME=\"query\" VALUE=\""); |
"<INPUT TYPE=\"text\" NAME=\"query\" VALUE=\""); |
if (NULL != req->q.expr) |
if (NULL != req->q.query) |
html_print(req->q.expr); |
html_print(req->q.query); |
puts("\" SIZE=\"40\">"); |
puts("\" SIZE=\"40\">"); |
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/* Write submission and reset buttons. */ |
/* Write submission and reset buttons. */ |
Line 403 resp_searchform(const struct req *req) |
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Line 430 resp_searchform(const struct req *req) |
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printf( "</TD><TD>\n" |
printf( "</TD><TD>\n" |
"<INPUT TYPE=\"radio\" "); |
"<INPUT TYPE=\"radio\" "); |
if (req->q.equal) |
if (req->q.equal) |
printf("CHECKED "); |
printf("CHECKED=\"checked\" "); |
printf( "NAME=\"apropos\" ID=\"show\" VALUE=\"0\">\n" |
printf( "NAME=\"apropos\" ID=\"show\" VALUE=\"0\">\n" |
"<LABEL FOR=\"show\">Show named manual page</LABEL>\n"); |
"<LABEL FOR=\"show\">Show named manual page</LABEL>\n"); |
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/* Write section selector. */ |
/* Write section selector. */ |
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printf( "</TD></TR><TR><TD>\n" |
puts( "</TD></TR><TR><TD>\n" |
"<SELECT NAME=\"sec\">"); |
"<SELECT NAME=\"sec\">"); |
for (i = 0; i < sec_MAX; i++) { |
for (i = 0; i < sec_MAX; i++) { |
printf("<OPTION VALUE=\"%s\"", sec_numbers[i]); |
printf("<OPTION VALUE=\"%s\"", sec_numbers[i]); |
if (NULL != req->q.sec && |
if (NULL != req->q.sec && |
0 == strcmp(sec_numbers[i], req->q.sec)) |
0 == strcmp(sec_numbers[i], req->q.sec)) |
printf(" SELECTED"); |
printf(" SELECTED=\"selected\""); |
printf(">%s</OPTION>\n", sec_names[i]); |
printf(">%s</OPTION>\n", sec_names[i]); |
} |
} |
puts("</SELECT>"); |
puts("</SELECT>"); |
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/* Write architecture selector. */ |
/* Write architecture selector. */ |
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puts("<SELECT NAME=\"arch\">"); |
printf( "<SELECT NAME=\"arch\">\n" |
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"<OPTION VALUE=\"default\""); |
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if (NULL == req->q.arch) |
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printf(" SELECTED=\"selected\""); |
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puts(">All Architectures</OPTION>"); |
for (i = 0; i < arch_MAX; i++) { |
for (i = 0; i < arch_MAX; i++) { |
printf("<OPTION VALUE=\"%s\"", arch_names[i]); |
printf("<OPTION VALUE=\"%s\"", arch_names[i]); |
if (NULL != req->q.arch && |
if (NULL != req->q.arch && |
0 == strcmp(arch_names[i], req->q.arch)) |
0 == strcmp(arch_names[i], req->q.arch)) |
printf(" SELECTED"); |
printf(" SELECTED=\"selected\""); |
printf(">%s</OPTION>\n", arch_names[i]); |
printf(">%s</OPTION>\n", arch_names[i]); |
} |
} |
puts("</SELECT>"); |
puts("</SELECT>"); |
Line 440 resp_searchform(const struct req *req) |
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Line 471 resp_searchform(const struct req *req) |
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printf("<OPTION "); |
printf("<OPTION "); |
if (NULL == req->q.manpath ? 0 == i : |
if (NULL == req->q.manpath ? 0 == i : |
0 == strcmp(req->q.manpath, req->p[i])) |
0 == strcmp(req->q.manpath, req->p[i])) |
printf("SELECTED "); |
printf("SELECTED=\"selected\" "); |
printf("VALUE=\""); |
printf("VALUE=\""); |
html_print(req->p[i]); |
html_print(req->p[i]); |
printf("\">"); |
printf("\">"); |
Line 455 resp_searchform(const struct req *req) |
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Line 486 resp_searchform(const struct req *req) |
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printf( "</TD><TD>\n" |
printf( "</TD><TD>\n" |
"<INPUT TYPE=\"radio\" "); |
"<INPUT TYPE=\"radio\" "); |
if (0 == req->q.equal) |
if (0 == req->q.equal) |
printf("CHECKED "); |
printf("CHECKED=\"checked\" "); |
printf( "NAME=\"apropos\" ID=\"search\" VALUE=\"1\">\n" |
printf( "NAME=\"apropos\" ID=\"search\" VALUE=\"1\">\n" |
"<LABEL FOR=\"search\">Search with apropos query</LABEL>\n"); |
"<LABEL FOR=\"search\">Search with apropos query</LABEL>\n"); |
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Line 466 resp_searchform(const struct req *req) |
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Line 497 resp_searchform(const struct req *req) |
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puts("<!-- End search form. //-->"); |
puts("<!-- End search form. //-->"); |
} |
} |
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static int |
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validate_urifrag(const char *frag) |
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{ |
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|
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while ('\0' != *frag) { |
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if ( ! (isalnum((unsigned char)*frag) || |
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'-' == *frag || '.' == *frag || |
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'/' == *frag || '_' == *frag)) |
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return(0); |
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frag++; |
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} |
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return(1); |
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} |
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static int |
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validate_manpath(const struct req *req, const char* manpath) |
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{ |
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size_t i; |
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|
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if ( ! strcmp(manpath, "mandoc")) |
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return(1); |
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for (i = 0; i < req->psz; i++) |
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if ( ! strcmp(manpath, req->p[i])) |
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return(1); |
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return(0); |
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} |
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static int |
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validate_filename(const char *file) |
|
{ |
|
|
|
if ('.' == file[0] && '/' == file[1]) |
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file += 2; |
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|
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return ( ! (strstr(file, "../") || strstr(file, "/..") || |
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(strncmp(file, "man", 3) && strncmp(file, "cat", 3)))); |
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} |
|
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static void |
static void |
pg_index(const struct req *req) |
pg_index(const struct req *req) |
{ |
{ |
Line 473 pg_index(const struct req *req) |
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Line 544 pg_index(const struct req *req) |
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resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
resp_searchform(req); |
resp_searchform(req); |
printf("<P>\n" |
printf("<P>\n" |
"This web interface is documented in the " |
"This web interface is documented in the\n" |
"<A HREF=\"%s/mandoc/man8/man.cgi.8\">man.cgi</A> " |
"<A HREF=\"%s/mandoc/man8/man.cgi.8\">man.cgi</A>\n" |
"manual, and the " |
"manual, and the\n" |
"<A HREF=\"%s/mandoc/man1/apropos.1\">apropos</A> " |
"<A HREF=\"%s/mandoc/man1/apropos.1\">apropos</A>\n" |
"manual explains the query syntax.\n" |
"manual explains the query syntax.\n" |
"</P>\n", |
"</P>\n", |
scriptname, scriptname); |
scriptname, scriptname); |
Line 519 pg_error_internal(void) |
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Line 590 pg_error_internal(void) |
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static void |
static void |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
pg_searchres(const struct req *req, struct manpage *r, size_t sz) |
{ |
{ |
|
char *arch, *archend; |
size_t i, iuse, isec; |
size_t i, iuse, isec; |
|
int archprio, archpriouse; |
int prio, priouse; |
int prio, priouse; |
char sec; |
char sec; |
|
|
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for (i = 0; i < sz; i++) { |
|
if (validate_filename(r[i].file)) |
|
continue; |
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fprintf(stderr, "invalid filename %s in %s database\n", |
|
r[i].file, req->q.manpath); |
|
pg_error_internal(); |
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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. |
*/ |
*/ |
printf("Status: 303 See Other\r\n"); |
printf("Status: 303 See Other\r\n"); |
printf("Location: %s/%s/%s?", |
printf("Location: http://%s%s/%s/%s?", |
scriptname, req->q.manpath, r[0].file); |
HTTP_HOST, scriptname, req->q.manpath, r[0].file); |
http_printquery(req); |
http_printquery(req, "&"); |
printf("\r\n" |
printf("\r\n" |
"Content-Type: text/html; charset=utf-8\r\n" |
"Content-Type: text/html; charset=utf-8\r\n" |
"\r\n"); |
"\r\n"); |
return; |
return; |
} |
} |
|
|
qsort(r, sz, sizeof(struct manpage), cmp); |
|
|
|
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
resp_searchform(req); |
resp_searchform(req); |
puts("<DIV CLASS=\"results\">"); |
puts("<DIV CLASS=\"results\">"); |
Line 550 pg_searchres(const struct req *req, struct manpage *r, |
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Line 630 pg_searchres(const struct req *req, struct manpage *r, |
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"<TD CLASS=\"title\">\n" |
"<TD CLASS=\"title\">\n" |
"<A HREF=\"%s/%s/%s?", |
"<A HREF=\"%s/%s/%s?", |
scriptname, req->q.manpath, r[i].file); |
scriptname, req->q.manpath, r[i].file); |
html_printquery(req); |
http_printquery(req, "&"); |
printf("\">"); |
printf("\">"); |
html_print(r[i].names); |
html_print(r[i].names); |
printf("</A>\n" |
printf("</A>\n" |
Line 573 pg_searchres(const struct req *req, struct manpage *r, |
|
Line 653 pg_searchres(const struct req *req, struct manpage *r, |
|
puts("<HR>"); |
puts("<HR>"); |
iuse = 0; |
iuse = 0; |
priouse = 10; |
priouse = 10; |
|
archpriouse = 3; |
for (i = 0; i < sz; i++) { |
for (i = 0; i < sz; i++) { |
isec = strcspn(r[i].file, "123456789"); |
isec = strcspn(r[i].file, "123456789"); |
sec = r[i].file[isec]; |
sec = r[i].file[isec]; |
if ('\0' == sec) |
if ('\0' == sec) |
continue; |
continue; |
prio = sec_prios[sec - '1']; |
prio = sec_prios[sec - '1']; |
|
if (NULL == req->q.arch) { |
|
archprio = |
|
(NULL == (arch = strchr( |
|
r[i].file + isec, '/'))) ? 3 : |
|
(NULL == (archend = strchr( |
|
arch + 1, '/'))) ? 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) |
if (prio >= priouse) |
continue; |
continue; |
priouse = prio; |
priouse = prio; |
|
|
format(const struct req *req, const char *file) |
format(const struct req *req, const char *file) |
{ |
{ |
struct mparse *mp; |
struct mparse *mp; |
int fd; |
|
struct mdoc *mdoc; |
struct mdoc *mdoc; |
struct man *man; |
struct man *man; |
void *vp; |
void *vp; |
|
char *opts; |
enum mandoclevel rc; |
enum mandoclevel rc; |
char opts[PATH_MAX + 128]; |
int fd; |
|
int usepath; |
|
|
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
puts("<P>You specified an invalid manual file.</P>"); |
puts("<P>You specified an invalid manual file.</P>"); |
Line 750 format(const struct req *req, const char *file) |
|
Line 849 format(const struct req *req, const char *file) |
|
return; |
return; |
} |
} |
|
|
snprintf(opts, sizeof(opts), |
usepath = strcmp(req->q.manpath, req->p[0]); |
"fragment,man=%s?query=%%N&sec=%%S", |
mandoc_asprintf(&opts, |
scriptname); |
"fragment,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, &mdoc, &man, NULL); |
mparse_result(mp, &mdoc, &man, NULL); |
if (NULL == man && NULL == mdoc) { |
if (NULL == man && NULL == mdoc) { |
Line 772 format(const struct req *req, const char *file) |
|
Line 876 format(const struct req *req, const char *file) |
|
|
|
html_free(vp); |
html_free(vp); |
mparse_free(mp); |
mparse_free(mp); |
|
free(opts); |
} |
} |
|
|
static void |
static void |
resp_show(const struct req *req, const char *file) |
resp_show(const struct req *req, const char *file) |
{ |
{ |
if ('.' == file[0] || '/' == file[1]) |
|
|
if ('.' == file[0] && '/' == file[1]) |
file += 2; |
file += 2; |
|
|
if ('c' == *file) |
if ('c' == *file) |
Line 787 resp_show(const struct req *req, const char *file) |
|
Line 893 resp_show(const struct req *req, const char *file) |
|
} |
} |
|
|
static void |
static void |
pg_show(const struct req *req, const char *path) |
pg_show(struct req *req, const char *fullpath) |
{ |
{ |
char *sub; |
char *manpath; |
|
const char *file; |
|
|
if (NULL == path || NULL == (sub = strchr(path, '/'))) { |
if ((file = strchr(fullpath, '/')) == NULL) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You did not specify a page to show."); |
"You did not specify a page to show."); |
return; |
return; |
} |
} |
*sub++ = '\0'; |
manpath = mandoc_strndup(fullpath, file - fullpath); |
|
file++; |
|
|
|
if ( ! validate_manpath(req, manpath)) { |
|
pg_error_badrequest( |
|
"You specified an invalid manpath."); |
|
free(manpath); |
|
return; |
|
} |
|
|
/* |
/* |
* Begin by chdir()ing into 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(path)) { |
if (chdir(manpath) == -1) { |
|
fprintf(stderr, "chdir %s: %s\n", |
|
manpath, strerror(errno)); |
|
pg_error_internal(); |
|
free(manpath); |
|
return; |
|
} |
|
|
|
if (strcmp(manpath, "mandoc")) { |
|
free(req->q.manpath); |
|
req->q.manpath = manpath; |
|
} else |
|
free(manpath); |
|
|
|
if ( ! validate_filename(file)) { |
pg_error_badrequest( |
pg_error_badrequest( |
"You specified an invalid manpath."); |
"You specified an invalid manual file."); |
return; |
return; |
} |
} |
|
|
resp_begin_html(200, NULL); |
resp_begin_html(200, NULL); |
resp_searchform(req); |
resp_searchform(req); |
resp_show(req, sub); |
resp_show(req, file); |
resp_end_html(); |
resp_end_html(); |
} |
} |
|
|
Line 822 pg_search(const struct req *req) |
|
Line 951 pg_search(const struct req *req) |
|
struct mansearch search; |
struct mansearch search; |
struct manpaths paths; |
struct manpaths paths; |
struct manpage *res; |
struct manpage *res; |
char **cp; |
char **argv; |
const char *ep, *start; |
char *query, *rp, *wp; |
size_t ressz; |
size_t ressz; |
int i, sz; |
int argc; |
|
|
/* |
/* |
* Begin by chdir()ing into the root of the manpath. |
* Begin by chdir()ing into the root of the manpath. |
Line 834 pg_search(const struct req *req) |
|
Line 963 pg_search(const struct req *req) |
|
*/ |
*/ |
|
|
if (-1 == (chdir(req->q.manpath))) { |
if (-1 == (chdir(req->q.manpath))) { |
pg_error_badrequest( |
fprintf(stderr, "chdir %s: %s\n", |
"You specified an invalid manpath."); |
req->q.manpath, strerror(errno)); |
|
pg_error_internal(); |
return; |
return; |
} |
} |
|
|
search.arch = req->q.arch; |
search.arch = req->q.arch; |
search.sec = req->q.sec; |
search.sec = req->q.sec; |
search.deftype = req->q.equal ? TYPE_Nm : (TYPE_Nm | TYPE_Nd); |
search.outkey = "Nd"; |
search.flags = req->q.equal ? MANSEARCH_MAN : 0; |
search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR; |
|
|
paths.sz = 1; |
paths.sz = 1; |
paths.paths = mandoc_malloc(sizeof(char *)); |
paths.paths = mandoc_malloc(sizeof(char *)); |
paths.paths[0] = mandoc_strdup("."); |
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. |
|
*/ |
*/ |
|
|
ep = req->q.expr; |
argc = 0; |
while (ep && isspace((unsigned char)*ep)) |
argv = NULL; |
ep++; |
rp = query = mandoc_strdup(req->q.query); |
|
for (;;) { |
sz = 0; |
while (isspace((unsigned char)*rp)) |
cp = NULL; |
rp++; |
while (ep && '\0' != *ep) { |
if (*rp == '\0') |
cp = mandoc_reallocarray(cp, sz + 1, sizeof(char *)); |
break; |
start = ep; |
argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *)); |
while ('\0' != *ep && ! isspace((unsigned char)*ep)) |
argv[argc++] = wp = rp; |
ep++; |
for (;;) { |
cp[sz] = mandoc_malloc((ep - start) + 1); |
if (isspace((unsigned char)*rp)) { |
memcpy(cp[sz], start, ep - start); |
*wp = '\0'; |
cp[sz++][ep - start] = '\0'; |
rp++; |
while (isspace((unsigned char)*ep)) |
break; |
ep++; |
} |
|
if (rp[0] == '\\' && rp[1] != '\0') |
|
rp++; |
|
if (wp != rp) |
|
*wp = *rp; |
|
if (*rp == '\0') |
|
break; |
|
wp++; |
|
rp++; |
|
} |
} |
} |
|
|
if (0 == mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz)) |
if (0 == mansearch(&search, &paths, argc, argv, &res, &ressz)) |
pg_noresult(req, "You entered an invalid query."); |
pg_noresult(req, "You entered an invalid query."); |
else if (0 == ressz) |
else if (0 == ressz) |
pg_noresult(req, "No results found."); |
pg_noresult(req, "No results found."); |
else |
else |
pg_searchres(req, res, ressz); |
pg_searchres(req, res, ressz); |
|
|
for (i = 0; i < sz; i++) |
free(query); |
free(cp[i]); |
mansearch_free(res, ressz); |
free(cp); |
|
|
|
for (i = 0; i < (int)ressz; i++) { |
|
free(res[i].file); |
|
free(res[i].names); |
|
free(res[i].output); |
|
} |
|
free(res); |
|
|
|
free(paths.paths[0]); |
free(paths.paths[0]); |
free(paths.paths); |
free(paths.paths); |
} |
} |
|
|
main(void) |
main(void) |
{ |
{ |
struct req req; |
struct req req; |
|
struct itimerval itimer; |
const char *path; |
const char *path; |
char *querystring; |
const char *querystring; |
int i; |
int i; |
|
|
|
/* Poor man's ReDoS mitigation. */ |
|
|
|
itimer.it_value.tv_sec = 2; |
|
itimer.it_value.tv_usec = 0; |
|
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); |
|
} |
|
|
/* Scan our run-time environment. */ |
/* Scan our run-time environment. */ |
|
|
if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
if (NULL == (scriptname = getenv("SCRIPT_NAME"))) |
scriptname = ""; |
scriptname = ""; |
|
|
|
if ( ! validate_urifrag(scriptname)) { |
|
fprintf(stderr, "unsafe SCRIPT_NAME \"%s\"\n", |
|
scriptname); |
|
pg_error_internal(); |
|
return(EXIT_FAILURE); |
|
} |
|
|
/* |
/* |
* First we change directory into the MAN_DIR 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 |
|
|
if (NULL != (querystring = getenv("QUERY_STRING"))) |
if (NULL != (querystring = getenv("QUERY_STRING"))) |
http_parse(&req, querystring); |
http_parse(&req, querystring); |
|
|
|
if ( ! (NULL == req.q.manpath || |
|
validate_manpath(&req, req.q.manpath))) { |
|
pg_error_badrequest( |
|
"You specified an invalid manpath."); |
|
return(EXIT_FAILURE); |
|
} |
|
|
|
if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) { |
|
pg_error_badrequest( |
|
"You specified an invalid architecture."); |
|
return(EXIT_FAILURE); |
|
} |
|
|
/* Dispatch to the three different pages. */ |
/* Dispatch to the three different pages. */ |
|
|
path = getenv("PATH_INFO"); |
path = getenv("PATH_INFO"); |
|
|
|
|
if ('\0' != *path) |
if ('\0' != *path) |
pg_show(&req, path); |
pg_show(&req, path); |
else if (NULL != req.q.expr) |
else if (NULL != req.q.query) |
pg_search(&req); |
pg_search(&req); |
else |
else |
pg_index(&req); |
pg_index(&req); |
|
|
|
free(req.q.manpath); |
|
free(req.q.arch); |
|
free(req.q.sec); |
|
free(req.q.query); |
for (i = 0; i < (int)req.psz; i++) |
for (i = 0; i < (int)req.psz; i++) |
free(req.p[i]); |
free(req.p[i]); |
free(req.p); |
free(req.p); |
return(EXIT_SUCCESS); |
return(EXIT_SUCCESS); |
} |
} |
|
|
static int |
|
cmp(const void *p1, const void *p2) |
|
{ |
|
|
|
return(strcasecmp(((const struct manpage *)p1)->names, |
|
((const struct manpage *)p2)->names)); |
|
} |
|
|
|
/* |
/* |
* Scan for indexable paths. |
* Scan for indexable paths. |
*/ |
*/ |
Line 978 pathgen(struct req *req) |
|
Line 1136 pathgen(struct req *req) |
|
dpsz--; |
dpsz--; |
req->p = mandoc_realloc(req->p, |
req->p = mandoc_realloc(req->p, |
(req->psz + 1) * sizeof(char *)); |
(req->psz + 1) * sizeof(char *)); |
req->p[req->psz++] = mandoc_strndup(dp, dpsz); |
dp = mandoc_strndup(dp, dpsz); |
|
if ( ! validate_urifrag(dp)) { |
|
fprintf(stderr, "%s/manpath.conf contains " |
|
"unsafe path \"%s\"\n", MAN_DIR, dp); |
|
pg_error_internal(); |
|
exit(EXIT_FAILURE); |
|
} |
|
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; |
} |
} |
|
|
if ( req->p == NULL ) { |
if ( req->p == NULL ) { |