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POC Sockets: Server gives firefox a downloadable file instead of firefox showing the page
 

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  1. POC Sockets: Server gives firefox a downloadable file instead of firefox showing the page
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    <p>i am creating a simple server that does nothing but to give an existing file /home/john/www at port 2222. my www folder has three files: index.html, server.c, client.c.</p> <p>running the server, my firefox can now request for a page thru:</p> <pre><code>localhost:2222/server.c </code></pre> <p>the problem is, instead of showing the contents of server.c on my firefox, the file is downloaded instead. (firefox prompts to view or save the file.) same as with index.html and client.c.</p> <p>i was able to show the contents of server.c days ago on my browser. but i can no longer remember what changes i made to make the browser behave like that.</p> <p>here's the code snippet where i am doing my modification:</p> <pre><code>#define LINE_LEN 128 #define MAX_LEN 1024 ... int process_request(int fd, char *www_path) { char cmessage[MAX_LEN]; char *r; int n, read_size; FILE *file; char line[LINE_LEN]; struct stat sb; if((n = read(fd, cmessage, MAX_LEN)) &lt;= 0) { return 6; } cmessage[n] = '\0'; // assume GET method r = cmessage + 4; n = 0; while(r[n] != ' ') { n++; } int len = strlen(www_path); char req_file[len+n+1]; char temp[n+1]; strncpy(temp, r, n); temp[n] = '\0'; sprintf(req_file, "%s%s", www_path, temp); if(stat(req_file, &amp;sb) == -1) { perror("stat"); return 7; } char size[10]; sprintf(size, "%d", sb.st_size); file = fopen(req_file, "rb"); write(fd, "HTTP/1.1 200 OK\r\nContent-length: ", 33); write(fd, size, strlen(size)); write(fd, "\r\n\r\n", 4); while((read_size = fread(line, sizeof(char), LINE_LEN, file)) != 0) { write(fd, line, read_size); } fclose(file); return 0; } </code></pre> <p>or is this just a configuration that can be set in my web browser's setting?</p> <p>more details:</p> <p>The socket was created using </p> <pre><code>socket(AF_INET, SOCK_STREAM, 0); </code></pre> <p>listen(), bind(), and accept() are successful. select() statement is used to wait for file descriptors that are ready for reading. The file descriptors of clients connected are not closed until the read() to a certain file descriptor returns -1.</p> <p>Thank you for taking the time to read this. :-) Hoping for a helpful answer to why this is happening.</p>
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    1. CO@tbert: Why so negative? This is a great way of learning how to use sockets. You don't need to implement the entire HTTP/1.1 protocol to do it.
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    2. CO@Pedro then the OP shouldn't be surprised, or at a loss to explain, when attempting an operation he explicitly hasn't supported.
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    3. CO@tbert: And in what way was your comment constructive, e.g. how did you point him in the right direction?
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