X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=command.c;h=2fac5ccf85b24ea9cac2e677aca351f7f76d8603;hp=d0d9047b7d3d97dc1061a6c52db158e500d4969c;hb=21a0bd773519c5bd39a5293f2e66ea59add8d0a9;hpb=0a405367cdc8f3b0f49fb5ec3798378a2fc4589b

diff --git a/command.c b/command.c
index d0d9047b..2fac5ccf 100644
--- a/command.c
+++ b/command.c
@@ -20,7 +20,7 @@
 
 #include <sys/time.h> /* gettimeofday */
 #include "server.cmdline.h"
-#include "db.h"
+#include "afs.h"
 #include "server.h"
 #include "vss.h"
 #include "send.h"
@@ -34,6 +34,9 @@
 #include "user_list.h"
 #include "server_command_list.h"
 
+/** commands including options must be shorter than this */
+#define MAX_COMMAND_LEN 4096
+
 static RC4_KEY rc4_recv_key;
 static RC4_KEY rc4_send_key;
 static unsigned char rc4_buf[2 * RC4_KEY_LEN];
@@ -75,8 +78,8 @@ static char *cmd_perms_itohuman(unsigned int perms)
 {
 	char *msg = para_malloc(5 * sizeof(char));
 
-	msg[0] = perms & DB_READ? 'a' : '-';
-	msg[1] = perms & DB_WRITE? 'A' : '-';
+	msg[0] = perms & AFS_READ? 'a' : '-';
+	msg[1] = perms & AFS_WRITE? 'A' : '-';
 	msg[2] = perms & VSS_READ? 'v' : '-';
 	msg[3] = perms & VSS_WRITE? 'V' : '-';
 	msg[4] = '\0';
@@ -111,14 +114,14 @@ static char *get_sb_string(struct misc_meta_data *nmmd)
 		return para_strdup("");
 	if (!base[0])
 		return base;
-	if (nmmd->chunks_total) {
-		secs = (long long) nmmd->seconds_total * nmmd->chunks_sent
-			/ nmmd->chunks_total;
-		rsecs = (long long) nmmd->seconds_total *
-			(nmmd->chunks_total - nmmd->chunks_sent)
-			/ nmmd->chunks_total;
+	if (nmmd->afi.chunks_total) {
+		secs = (long long) nmmd->afi.seconds_total * nmmd->chunks_sent
+			/ nmmd->afi.chunks_total;
+		rsecs = (long long) nmmd->afi.seconds_total *
+			(nmmd->afi.chunks_total - nmmd->chunks_sent)
+			/ nmmd->afi.chunks_total;
 		percent = 100 * ((nmmd->chunks_sent + 5) / 10)
-			/ ((nmmd->chunks_total + 5) / 10);
+			/ ((nmmd->afi.chunks_total + 5) / 10);
 	}
 	ret = make_message("%llu:%02llu [%llu:%02llu] (%llu%%) %s",
 		secs / 60, secs % 60,
@@ -155,7 +158,7 @@ static char *get_status(struct misc_meta_data *nmmd)
 		"%s:%s\n"	"%s:%lu.%lu\n"	"%s:%lu.%lu\n",
 		status_item_list[SI_FILE_SIZE], nmmd->size / 1024,
 		status_item_list[SI_MTIME], mtime,
-		status_item_list[SI_LENGTH], nmmd->seconds_total,
+		status_item_list[SI_LENGTH], nmmd->afi.seconds_total,
 		status_item_list[SI_NUM_PLAYED], nmmd->num_played,
 
 		status_item_list[SI_STATUS_BAR], bar ? bar : "(none)",
@@ -166,7 +169,7 @@ static char *get_status(struct misc_meta_data *nmmd)
 		status_item_list[SI_OFFSET], offset,
 		status_item_list[SI_FORMAT], audio_format_name(nmmd->audio_format),
 		nmmd->selector_info,
-		nmmd->audio_file_info,
+		nmmd->afi.info_string,
 
 		status_item_list[SI_UPTIME], ut,
 		status_item_list[SI_STREAM_START],
@@ -646,20 +649,20 @@ int com_ff(__a_unused int fd, int argc, char **argv)
 		backwards = 1; /* jmp backwards */
 	mmd_lock();
 	ret = -E_NO_AUDIO_FILE;
-	if (!mmd->chunks_total || !mmd->seconds_total)
+	if (!mmd->afi.chunks_total || !mmd->afi.seconds_total)
 		goto out;
-	promille = (1000 * mmd->current_chunk) / mmd->chunks_total;
+	promille = (1000 * mmd->current_chunk) / mmd->afi.chunks_total;
 	if (backwards)
-		promille -= 1000 * i / mmd->seconds_total;
+		promille -= 1000 * i / mmd->afi.seconds_total;
 	else
-		promille += 1000 * i / mmd->seconds_total;
+		promille += 1000 * i / mmd->afi.seconds_total;
 	if (promille < 0)
 		promille = 0;
 	if (promille >  1000) {
 		mmd->new_vss_status_flags |= VSS_NEXT;
 		goto out;
 	}
-	mmd->repos_request = (mmd->chunks_total * promille) / 1000;
+	mmd->repos_request = (mmd->afi.chunks_total * promille) / 1000;
 	mmd->new_vss_status_flags |= VSS_REPOS;
 	mmd->new_vss_status_flags &= ~VSS_NEXT;
 	mmd->events++;
@@ -681,12 +684,12 @@ int com_jmp(__a_unused int fd, int argc, char **argv)
 		return -E_COMMAND_SYNTAX;
 	mmd_lock();
 	ret = -E_NO_AUDIO_FILE;
-	if (!mmd->chunks_total)
+	if (!mmd->afi.chunks_total)
 		goto out;
 	if (i > 100)
 		i = 100;
 	PARA_INFO_LOG("jumping to %lu%%\n", i);
-	mmd->repos_request = (mmd->chunks_total * i + 50)/ 100;
+	mmd->repos_request = (mmd->afi.chunks_total * i + 50)/ 100;
 	PARA_INFO_LOG("sent: %lu,  offset before jmp: %lu\n",
 		mmd->chunks_sent, mmd->offset);
 	mmd->new_vss_status_flags |= VSS_REPOS;
@@ -788,9 +791,9 @@ static void rc4_send(unsigned long len, const unsigned char *indata,
 int handle_connect(int fd, struct sockaddr_in *addr)
 {
 	int numbytes, ret, argc, use_rc4 = 0;
-	char buf[STRINGSIZE];
+	char buf[4096];
 	unsigned char crypt_buf[MAXLINE];
-	struct user u;
+	struct user *u;
 	struct server_command *cmd = NULL;
 	long unsigned challenge_nr, chall_response;
 	char **argv = NULL;
@@ -822,16 +825,18 @@ int handle_connect(int fd, struct sockaddr_in *addr)
 		goto err_out;
 
 	if (numbytes < 9 || strncmp(buf, "auth rc4 ", 9))
-		u.name = para_strdup(buf + 5); /* client version < 0.2.6 */
+		p = buf + 5; /* client version < 0.2.6 */
 	else {
-		u.name = para_strdup(buf + 9); /* client version >= 0.2.6 */
+		p = buf + 9; /* client version >= 0.2.6 */
 		use_rc4 = 1;
 	}
 	PARA_DEBUG_LOG("received %s request for user %s\n",
-		use_rc4? "rc4" : "auth", u.name);
-	if ((ret = lookup_user(&u)) < 0)
+		use_rc4? "rc4" : "auth", p);
+	ret = -E_BAD_USER;
+	u = lookup_user(p);
+	if (!u)
 		goto err_out;
-	ret = para_encrypt_challenge(u.rsa, challenge_nr, crypt_buf);
+	ret = para_encrypt_challenge(u->rsa, challenge_nr, crypt_buf);
 	if (ret <= 0)
 		goto err_out;
 	numbytes = ret;
@@ -852,11 +857,11 @@ int handle_connect(int fd, struct sockaddr_in *addr)
 			|| chall_response != challenge_nr)
 		goto err_out;
 	/* auth successful. Send 'Proceed' message */
-	PARA_INFO_LOG("good auth for %s (%lu)\n", u.name, challenge_nr);
+	PARA_INFO_LOG("good auth for %s (%lu)\n", u->name, challenge_nr);
 	sprintf(buf, "%s", PROCEED_MSG);
 	if (use_rc4) {
 		init_rc4_keys();
-		ret = para_encrypt_buffer(u.rsa, rc4_buf, 2 * RC4_KEY_LEN,
+		ret = para_encrypt_buffer(u->rsa, rc4_buf, 2 * RC4_KEY_LEN,
 			(unsigned char *)buf + PROCEED_MSG_LEN + 1);
 		if (ret <= 0)
 			goto err_out;
@@ -872,7 +877,7 @@ int handle_connect(int fd, struct sockaddr_in *addr)
 	while ((numbytes = recv_buffer(fd, buf, sizeof(buf))) > 0) {
 //		PARA_INFO_LOG("recvd: %s (%d)\n", buf, numbytes);
 		ret = -E_COMMAND_SYNTAX;
-		if (command && numbytes + strlen(command) > STRINGSIZE) /* DOS */
+		if (command && numbytes + strlen(command) > MAX_COMMAND_LEN) /* DOS */
 			goto err_out;
 		command = para_strcat(command, buf);
 		if ((p = strstr(command, EOC_MSG))) {
@@ -888,7 +893,7 @@ int handle_connect(int fd, struct sockaddr_in *addr)
 	if (!(cmd = parse_cmd(command)))
 		goto err_out;
 	/* valid command, check permissions */
-	ret = check_perms(u.perms, cmd);
+	ret = check_perms(u->perms, cmd);
 	if (ret < 0)
 		goto err_out;
 	/* valid command and sufficient perms */
@@ -897,7 +902,7 @@ int handle_connect(int fd, struct sockaddr_in *addr)
 	mmd_lock();
 	mmd->num_commands++;
 	mmd_unlock();
-	PARA_NOTICE_LOG("calling com_%s() for %s@%s\n", cmd->name, u.name,
+	PARA_NOTICE_LOG("calling com_%s() for %s@%s\n", cmd->name, u->name,
 		inet_ntoa(addr->sin_addr));
 	ret = cmd->handler(fd, argc, argv);
 	if (ret >= 0) {
@@ -914,7 +919,7 @@ out:
 	free(command);
 	free(argv);
 	mmd_lock();
-	if (cmd && (cmd->perms & DB_WRITE) && ret >= 0)
+	if (cmd && (cmd->perms & AFS_WRITE) && ret >= 0)
 		mmd->events++;
 	mmd->active_connections--;
 	mmd_unlock();