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Diffstat (limited to 'net-misc/dhcp/files/dhcp-4.2.2-dhclient-stdin-conf.patch')
-rw-r--r--net-misc/dhcp/files/dhcp-4.2.2-dhclient-stdin-conf.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/net-misc/dhcp/files/dhcp-4.2.2-dhclient-stdin-conf.patch b/net-misc/dhcp/files/dhcp-4.2.2-dhclient-stdin-conf.patch
new file mode 100644
index 000000000000..bf5a54c32153
--- /dev/null
+++ b/net-misc/dhcp/files/dhcp-4.2.2-dhclient-stdin-conf.patch
@@ -0,0 +1,113 @@
+--- dhcp-4.2.2/client/clparse.c
++++ dhcp-4.2.2/client/clparse.c
+@@ -182,6 +182,10 @@ isc_result_t read_client_conf ()
+ #endif
+ }
+
++ /* Read any extra configuration from stdin */
++ extern int read_client_conf_stdin (struct interface_info *ip, struct client_config *client);
++ read_client_conf_stdin (NULL, &top_level_config);
++
+ /* Set up state and config structures for clients that don't
+ have per-interface configuration statements. */
+ config = (struct client_config *)0;
+@@ -211,23 +215,13 @@ isc_result_t read_client_conf ()
+ return status;
+ }
+
+-int read_client_conf_file (const char *name, struct interface_info *ip,
++int read_client_conf_actual (struct parse *cfile, struct interface_info *ip,
+ struct client_config *client)
+ {
+- int file;
+- struct parse *cfile;
+ const char *val;
+ int token;
+ isc_result_t status;
+
+- if ((file = open (name, O_RDONLY)) < 0)
+- return uerr2isc (errno);
+-
+- cfile = NULL;
+- status = new_parse(&cfile, file, NULL, 0, path_dhclient_conf, 0);
+- if (status != ISC_R_SUCCESS || cfile == NULL)
+- return status;
+-
+ do {
+ token = peek_token (&val, (unsigned *)0, cfile);
+ if (token == END_OF_FILE)
+@@ -238,10 +232,74 @@ int read_client_conf_file (const char *name, struct interface_info *ip,
+ status = (cfile -> warnings_occurred
+ ? DHCP_R_BADPARSE
+ : ISC_R_SUCCESS);
++ return status;
++}
++
++int read_client_conf_file (const char *name, struct interface_info *ip,
++ struct client_config *client)
++{
++ int file;
++ struct parse *cfile;
++ isc_result_t status;
++
++ if ((file = open (name, O_RDONLY)) < 0)
++ return uerr2isc (errno);
++
++ cfile = (struct parse *)0;
++ new_parse (&cfile, file, (char *)0, 0, path_dhclient_conf, 0);
++ status = read_client_conf_actual(cfile, ip, client);
+ end_parse (&cfile);
+ return status;
+ }
+
++int read_client_conf_stdin (struct interface_info *ip,
++ struct client_config *client)
++{
++ int file;
++ char *buffer = NULL, *p;
++ unsigned buflen, len = 0;
++ struct parse *cfile;
++ size_t bytes;
++ isc_result_t status;
++
++ file = fileno(stdin);
++ if (isatty (file))
++ return ISC_R_NOTFOUND;
++ if (fcntl (file, F_SETFL, O_NONBLOCK) < 0)
++ log_fatal ("could not set stdin to non blocking!");
++
++ buflen = BUFSIZ;
++ buffer = malloc (BUFSIZ + 1);
++ p = buffer;
++ do {
++ bytes = read (file, p, BUFSIZ);
++ if (bytes == 0)
++ break;
++ if (bytes == -1)
++ log_fatal ("failed to read stdin!");
++ if (bytes >= BUFSIZ) {
++ buflen += BUFSIZ;
++ len += BUFSIZ;
++ buffer = realloc (buffer, buflen + 1);
++ if (!buffer)
++ log_fatal ("not enough buffer to read stdin!");
++ p = buffer + len;
++ } else {
++ len += bytes;
++ break;
++ }
++ } while(1);
++ buffer[len] = '\0';
++
++ cfile = (struct parse *)0;
++ status = new_parse (&cfile, -1, buffer, len, "stdin", 0);
++ if (status == ISC_R_SUCCESS) {
++ status = read_client_conf_actual (cfile, ip, client);
++ end_parse (&cfile);
++ }
++ free(buffer);
++ return status;
++}
+
+ /* lease-file :== client-lease-statements END_OF_FILE
+ client-lease-statements :== <nil>