cppcheck/htdocs/archive/edit.c

78 lines
2.2 KiB
C

#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;
}