walkero
/
cppcheck
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

htdocs: improved archive. added edit/setfiledata

This commit is contained in:
Daniel Marjamäki 2013-07-08 21:20:36 +02:00
parent 7d47fd65a2
commit 5da31fd2f3
4 changed files with 179 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
htdocs/archive/addfile.c
View File

@ -5,23 +5,6 @@
#include "webarchive.h" #include "webarchive.h"
static void unencode(const char *src, char *dest)
{
for (; *src; src++, dest++) {
if (*src == '+')
*dest = ' ';
else if (*src == '%') {
int code;
if (sscanf(src+1, "%2x", &code) != 1)
code = '?';
*dest = code;
src += 2;
} else
*dest = *src;
}
*dest = '\0';
}
const char *validate(const char *data) const char *validate(const char *data)
{ {
int i; int i;

77
htdocs/archive/edit.c Normal file
View File

@ -0,0 +1,77 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "webarchive.h"
const char *validate(const char *data)
{
int i;
if (strncmp(data,"name=",5) != 0)
return "invalid query string: must start with 'name='";
i = 5;
while (isalnum(data[i]))
i++;
if (i == 5)
return "invalid query string: no name";
if (i > 35)
return "invalid query string: max name size is 32";
if (data[i] != '\0')
return "invalid edit command";
return NULL;
}
int main()
{
const char *query_string = getenv("QUERY_STRING");
if (query_string == NULL) {
generatepage("Internal error: invalid request");
} else if (NULL != validate(query_string)) {
generatepage(validate(query_string));
} else {
char *data[MAX_RECORDS] = {0};
if (!readdata(data, MAX_RECORDS)) {
generatepage("Failed to read file data");
return EXIT_SUCCESS;
}
char name[32] = {0};
strcpy(name, getname(query_string));
int index = -1;
for (int i = 0; i < MAX_RECORDS && data[i]; i++) {
if (strcmp(name, getname(data[i])) == 0) {
index = i;
break;
}
}
if (index == -1) {
generatepage("File not found");
return EXIT_SUCCESS;
}
const char *olddata = strstr(data[index], "&data=");
if (olddata) {
char *temp = malloc(strlen(olddata+6));
unencode(olddata+6, temp);
olddata = temp;
} else
olddata = "";
puts("Content-type: text/html\r\n\r\n");
puts("<html>");
puts("<body>");
puts(" <form action=\"http://cppcheck.sf.net/cgi-bin/setfiledata.cgi\" method=\"get\">");
printf(" <textarea name=\"name\" cols=\"30\" rows=\"1\" readonly>abcd</textarea><br>\n",name);
printf(" <textarea name=\"data\" cols=\"60\" rows=\"20\" maxsize=\"512\">123</textarea><br>\n",olddata);
puts(" <input type=\"submit\" value=\"Save\">");
puts(" </form>");
puts("</body>");
puts("</html>");
}
return EXIT_SUCCESS;
}

85
htdocs/archive/setfiledata.c Normal file
View File

@ -0,0 +1,85 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "webarchive.h"
const char *validate(const char *data)
{
int i;
// name
if (strncmp(data,"name=",5) != 0)
return "invalid query string: must start with 'name='";
i = 5;
while (isalnum(data[i]))
i++;
if (i == 5)
return "invalid query string: no name";
if (i > 35)
return "invalid query string: max name size is 32";
// filedata
if (strncmp(data+i, "&data=", 6) != 0)
return "invalid query string: invalid name / no data";
return NULL;
}
int main()
{
const char *query_string = getenv("QUERY_STRING");
if (query_string == NULL) {
generatepage("Internal error: invalid request");
} else if (NULL != validate(query_string)) {
generatepage(validate(query_string));
} else {
char *data[MAX_RECORDS] = {0};
if (!readdata(data, MAX_RECORDS)) {
generatepage("Failed to read file data");
return EXIT_SUCCESS;
}
char name[32] = {0};
strcpy(name, getname(query_string));
int index = -1;
for (int i = 0; i < MAX_RECORDS && data[i]; i++) {
if (strcmp(name, getname(data[i])) == 0) {
index = i;
break;
}
}
if (index == -1) {
generatepage("File not found");
return EXIT_SUCCESS;
}
// cleanup data...
char str[1000] = {0};
char *dst = str;
for (const char *src = query_string; *src; src++) {
*dst = *src;
dst++;
if (strncmp(src, "%25", 3) == 0 && isxdigit(src[3]) && isxdigit(src[4]))
src += 2;
}
data[index] = str;
sortdata(data, MAX_RECORDS);
FILE *f = fopen("data.txt", "wt");
if (f == NULL) {
generatepage("Failed to add file (access denied). Try again.");
return EXIT_SUCCESS;
}
for (int i = 0; i < MAX_RECORDS && data[i]; i++)
fprintf(f, "%s\n", data[i]);
fclose(f);
generatepage("saved.");
}
return EXIT_SUCCESS;
}

17
htdocs/archive/webarchive.h
View File

@ -3,6 +3,23 @@
#define MAX_RECORDS 1000 #define MAX_RECORDS 1000
static void unencode(const char *src, char *dest)
{
for (; *src; src++, dest++) {
if (*src == '+')
*dest = ' ';
else if (*src == '%') {
int code;
if (sscanf(src+1, "%2x", &code) != 1)
code = '?';
*dest = code;
src += 2;
} else
*dest = *src;
}
*dest = '\0';
}
int readdata(char * * const data, int sz) int readdata(char * * const data, int sz)
{ {
FILE *f = fopen("data.txt", "rt"); FILE *f = fopen("data.txt", "rt");