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teach fiche about binding to a specific address

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Add the -L <listen_addr> option which permits fiche to bind to a
specific local address rather than INADDR_ANY.
This commit is contained in:
Lars Kellogg-Stedman
2018-02-27 11:24:58 -05:00
parent 9206dce65f
commit 441debc4c7
4 changed files with 21 additions and 6 deletions
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2
README.md
View File

@@ -137,7 +137,7 @@ To use fiche you have to have netcat installed. You probably already have it - t
``` ```
usage: fiche [-D6epbsdSolBuw]. usage: fiche [-D6epbsdSolBuw].
[-d domain] [-p port] [-s slug size] [-d domain] [-L listen_addr ] [-p port] [-s slug size]
[-o output directory] [-B buffer size] [-u user name] [-o output directory] [-B buffer size] [-u user name]
[-l log file] [-b banlist] [-w whitelist] [-S] [-l log file] [-b banlist] [-w whitelist] [-S]
``` ```

7
fiche.c
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@@ -197,6 +197,8 @@ void fiche_init(Fiche_Settings *settings) {
"example.com", "example.com",
// output dir // output dir
"code", "code",
// listen_addr
"0.0.0.0",
// port // port
9999, 9999,
// slug length // slug length
@@ -442,7 +444,7 @@ static int start_server(Fiche_Settings *settings) {
// Prepare address and port handler // Prepare address and port handler
struct sockaddr_in address; struct sockaddr_in address;
address.sin_family = AF_INET; address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY; address.sin_addr.s_addr = inet_addr(settings->listen_addr);
address.sin_port = htons(settings->port); address.sin_port = htons(settings->port);
// Bind to port // Bind to port
@@ -457,7 +459,8 @@ static int start_server(Fiche_Settings *settings) {
return -1; return -1;
} }
print_status("Server started listening on port: %d.", settings->port); print_status("Server started listening on: %s:%d.",
settings->listen_addr, settings->port);
print_separator(); print_separator();
// Run dispatching loop // Run dispatching loop

5
fiche.h
View File

@@ -43,6 +43,11 @@ typedef struct Fiche_Settings {
*/ */
char *output_dir_path; char *output_dir_path;
/**
* @brief Address on which fiche is waiting for connections
*/
char *listen_addr;
/** /**
* @brief Port on which fiche is waiting for connections * @brief Port on which fiche is waiting for connections
*/ */

13
main.c
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@@ -44,7 +44,7 @@ int main(int argc, char **argv) {
// Parse input arguments // Parse input arguments
int c; int c;
while ((c = getopt(argc, argv, "D6eSp:b:s:d:o:l:B:u:w:")) != -1) { while ((c = getopt(argc, argv, "D6eSL:p:b:s:d:o:l:B:u:w:")) != -1) {
switch (c) { switch (c) {
// domain // domain
@@ -61,6 +61,13 @@ int main(int argc, char **argv) {
} }
break; break;
// listen_addr
case 'L':
{
fs.listen_addr = optarg;
}
break;
// slug size // slug size
case 's': case 's':
{ {
@@ -120,8 +127,8 @@ int main(int argc, char **argv) {
// Display help in case of any unsupported argument // Display help in case of any unsupported argument
default: default:
{ {
printf("usage: fiche [-dpsSoBulbw].\n"); printf("usage: fiche [-dLpsSoBulbw].\n");
printf(" [-d domain] [-p port] [-s slug size]\n"); printf(" [-d domain] [-L listen_addr] [-p port] [-s slug size]\n");
printf(" [-o output directory] [-B buffer size] [-u user name]\n"); printf(" [-o output directory] [-B buffer size] [-u user name]\n");
printf(" [-l log file] [-b banlist] [-w whitelist] [-S]\n"); printf(" [-l log file] [-b banlist] [-w whitelist] [-S]\n");
return 0; return 0;