version 1.94, 2014/08/17 03:24:47 |
version 1.97, 2014/09/14 19:44:28 |
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#include "config.h" |
#include "config.h" |
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#include <sys/types.h> |
#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> |
Line 91 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 953 pg_search(const struct req *req) |
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Line 954 pg_search(const struct req *req) |
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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; |
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/* |
/* |
* Begin by chdir()ing into the root of the manpath. |
* Begin by chdir()ing into the root of the manpath. |
Line 981 pg_search(const struct req *req) |
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Line 982 pg_search(const struct req *req) |
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paths.paths[0] = mandoc_strdup("."); |
paths.paths[0] = mandoc_strdup("."); |
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/* |
/* |
* 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. |
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*/ |
*/ |
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ep = req->q.query; |
argc = 0; |
while (ep && isspace((unsigned char)*ep)) |
argv = NULL; |
ep++; |
rp = query = mandoc_strdup(req->q.query); |
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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++; |
} |
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if (rp[0] == '\\' && rp[1] != '\0') |
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rp++; |
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if (wp != rp) |
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*wp = *rp; |
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if (*rp == '\0') |
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break; |
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wp++; |
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rp++; |
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} |
} |
} |
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if (0 == mansearch(&search, &paths, sz, cp, &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); |
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for (i = 0; i < sz; i++) |
free(query); |
free(cp[i]); |
mansearch_free(res, ressz); |
free(cp); |
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for (i = 0; i < (int)ressz; i++) { |
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free(res[i].file); |
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free(res[i].names); |
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free(res[i].output); |
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} |
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free(res); |
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free(paths.paths[0]); |
free(paths.paths[0]); |
free(paths.paths); |
free(paths.paths); |
} |
} |
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main(void) |
main(void) |
{ |
{ |
struct req req; |
struct req req; |
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struct itimerval itimer; |
const char *path; |
const char *path; |
const char *querystring; |
const char *querystring; |
int i; |
int i; |
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/* Poor man's ReDoS mitigation. */ |
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itimer.it_value.tv_sec = 1; |
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itimer.it_value.tv_usec = 0; |
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itimer.it_interval.tv_sec = 1; |
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itimer.it_interval.tv_usec = 0; |
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if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) { |
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fprintf(stderr, "setitimer: %s\n", strerror(errno)); |
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pg_error_internal(); |
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return(EXIT_FAILURE); |
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} |
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/* Scan our run-time environment. */ |
/* Scan our run-time environment. */ |
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