X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=command.c;h=b6c2de2788a131f446f48893717a826ea3fd8845;hp=68cc5ab55f7c8da0362bb1ae9aa018014a97ede9;hb=2b471378b49c04db7bb84d1e75db981f91ad93db;hpb=b46dd218f90646441998f975c9b5515a5521c9d5 diff --git a/command.c b/command.c index 68cc5ab5..b6c2de27 100644 --- a/command.c +++ b/command.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1997-2007 Andre Noll + * Copyright (C) 1997-2008 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -20,12 +20,12 @@ #include "afs.h" #include "server.h" #include "vss.h" +#include "list.h" #include "send.h" #include "rc4.h" #include "net.h" #include "daemon.h" #include "fd.h" -#include "list.h" #include "user_list.h" #include "server_command_list.h" #include "afs_command_list.h" @@ -40,8 +40,16 @@ static unsigned char rc4_buf[2 * RC4_KEY_LEN]; extern struct misc_meta_data *mmd; extern struct sender senders[]; -static void dummy(__a_unused int s) -{} +static void dummy(int s) +{ + /* + * At least on Solaris, SIGUSR1 is one-shot, i.e. the signal action is + * restored to the default state once the signal handler has been + * called. + */ + if (s == SIGUSR1) + signal(SIGUSR1, dummy); +} static void mmd_dup(struct misc_meta_data *new_mmd) { @@ -234,9 +242,9 @@ int com_sender(int fd, int argc, char * const * argv) if (scd.sender_num < 0) return ret; msg = senders[scd.sender_num].help(); - send_buffer(fd, msg); + ret = send_buffer(fd, msg); free(msg); - return 1; + return ret; } for (i = 0; i < 10; i++) { mmd_lock(); @@ -301,7 +309,7 @@ int com_version(int fd, int argc, __a_unused char * const * argv) return -E_COMMAND_SYNTAX; return send_buffer(fd, VERSION_TEXT("server") "built: " BUILD_DATE "\n" - SYSTEM ", " CC_VERSION "\n" + UNAME_RS ", " CC_VERSION "\n" ); } @@ -327,7 +335,7 @@ int com_stat(int fd, int argc, char * const * argv) if (ret < 0) goto out; ret = 1; - if (num == 1) + if (num > 0 && !--num) goto out; sleep(50); if (getppid() == 1) @@ -570,7 +578,7 @@ out: */ static int check_perms(unsigned int perms, struct server_command *cmd_ptr) { - PARA_DEBUG_LOG("%s", "checking permissions\n"); + PARA_DEBUG_LOG("checking permissions\n"); return (cmd_ptr->perms & perms) < cmd_ptr->perms ? -E_PERM : 0; } @@ -652,12 +660,10 @@ out: } /** - * perform user authentication and execute a command - * - * \param fd The file descriptor to send output to - * \param peername Identifies the connecting peer. + * Perform user authentication and execute a command. * - * \return EXIT_SUCCESS or EXIT_FAILURE + * \param fd The file descriptor to send output to. + * \param peername Identifies the connecting peer. * * Whenever para_server accepts an incoming tcp connection on * the port it listens on, it forks and the resulting child @@ -680,7 +686,7 @@ out: * * \sa alarm(2), rc4(3), crypt.c, crypt.h */ -int handle_connect(int fd, const char *peername) +__noreturn void handle_connect(int fd, const char *peername) { int ret, argc, use_rc4 = 0; char buf[4096]; @@ -791,15 +797,12 @@ int handle_connect(int fd, const char *peername) PARA_NOTICE_LOG("calling com_%s() for %s@%s\n", cmd->name, u->name, peername); ret = cmd->handler(fd, argc, argv); - if (ret >= 0) { - ret = EXIT_SUCCESS; + if (ret >= 0) goto out; - } err_out: - send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret)); + send_va_buffer(fd, "%s\n", para_strerror(-ret)); net_err: - PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-ret)); - ret = EXIT_FAILURE; + PARA_NOTICE_LOG("%s\n", para_strerror(-ret)); out: free(command); free(argv); @@ -808,5 +811,5 @@ out: mmd->events++; mmd->active_connections--; mmd_unlock(); - return ret; + exit(ret < 0? EXIT_FAILURE : EXIT_SUCCESS); }