diff options
Diffstat (limited to 'vtysh/vtysh_main.c')
| -rw-r--r-- | vtysh/vtysh_main.c | 71 |
1 files changed, 67 insertions, 4 deletions
diff --git a/vtysh/vtysh_main.c b/vtysh/vtysh_main.c index 6b33fca39b..bad21ae661 100644 --- a/vtysh/vtysh_main.c +++ b/vtysh/vtysh_main.c @@ -45,14 +45,17 @@ char *progname; /* Configuration file name and directory. */ -static char vtysh_config_always[] = SYSCONFDIR VTYSH_DEFAULT_CONFIG; -static char quagga_config_default[] = SYSCONFDIR QUAGGA_DEFAULT_CONFIG; +static char vtysh_config_always[MAXPATHLEN] = SYSCONFDIR VTYSH_DEFAULT_CONFIG; +static char quagga_config_default[MAXPATHLEN] = SYSCONFDIR QUAGGA_DEFAULT_CONFIG; char *quagga_config = quagga_config_default; char history_file[MAXPATHLEN]; /* Flag for indicate executing child command. */ int execute_flag = 0; +/* VTY Socket prefix */ +char * vty_sock_path = NULL; + /* For sigsetjmp() & siglongjmp(). */ static sigjmp_buf jmpbuf; @@ -144,8 +147,11 @@ usage (int status) "-f, --inputfile Execute commands from specific file and exit\n" \ "-E, --echo Echo prompt and command in -c mode\n" \ "-C, --dryrun Check configuration for validity and exit\n" \ - "-m, --markfile Mark input file with context end\n" - "-w, --writeconfig Write integrated config (Quagga.conf) and exit\n" + " --vty_socket Override vty socket path\n" \ + "-m, --markfile Mark input file with context end\n" \ + " --vty_socket Override vty socket path\n" \ + " --config_dir Override config directory path\n" \ + "-w, --writeconfig Write integrated config (Quagga.conf) and exit\n" \ "-h, --help Display this help and exit\n\n" \ "Note that multiple commands may be executed from the command\n" \ "line by passing multiple -c args, or by embedding linefeed\n" \ @@ -156,6 +162,8 @@ usage (int status) } /* VTY shell options, we use GNU getopt library. */ +#define OPTION_VTYSOCK 1000 +#define OPTION_CONFDIR 1001 struct option longopts[] = { { "boot", no_argument, NULL, 'b'}, @@ -163,6 +171,8 @@ struct option longopts[] = { "eval", required_argument, NULL, 'e'}, { "command", required_argument, NULL, 'c'}, { "daemon", required_argument, NULL, 'd'}, + { "vty_socket", required_argument, NULL, OPTION_VTYSOCK}, + { "config_dir", required_argument, NULL, OPTION_CONFDIR}, { "inputfile", required_argument, NULL, 'f'}, { "echo", no_argument, NULL, 'E'}, { "dryrun", no_argument, NULL, 'C'}, @@ -262,6 +272,7 @@ main (int argc, char **argv, char **env) int boot_flag = 0; const char *daemon_name = NULL; const char *inputfile = NULL; + char *vtysh_configfile_name; struct cmd_rec { const char *line; struct cmd_rec *next; @@ -274,6 +285,9 @@ main (int argc, char **argv, char **env) int ret = 0; char *homedir = NULL; + /* check for restricted functionality if vtysh is run setuid */ + int restricted = (getuid() != geteuid()) || (getgid() != getegid()); + /* Preserve name of myself. */ progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); @@ -310,6 +324,55 @@ main (int argc, char **argv, char **env) tail = cr; } break; + case OPTION_VTYSOCK: + vty_sock_path = optarg; + break; + case OPTION_CONFDIR: + /* + * Skip option for Config Directory if setuid + */ + if (restricted) + { + fprintf (stderr, "Overriding of Config Directory blocked for vtysh with setuid"); + return 1; + } + /* + * Overwrite location for vtysh.conf + */ + vtysh_configfile_name = strrchr(VTYSH_DEFAULT_CONFIG, '/'); + if (vtysh_configfile_name) + /* skip '/' */ + vtysh_configfile_name++; + else + /* + * VTYSH_DEFAULT_CONFIG configured with relative path + * during config? Should really never happen for + * sensible config + */ + vtysh_configfile_name = (char *) VTYSH_DEFAULT_CONFIG; + strlcpy(vtysh_config_always, optarg, sizeof(vtysh_config_always)); + strlcat(vtysh_config_always, "/", sizeof(vtysh_config_always)); + strlcat(vtysh_config_always, vtysh_configfile_name, + sizeof(vtysh_config_always)); + /* + * Overwrite location for Quagga.conf + */ + vtysh_configfile_name = strrchr(QUAGGA_DEFAULT_CONFIG, '/'); + if (vtysh_configfile_name) + /* skip '/' */ + vtysh_configfile_name++; + else + /* + * QUAGGA_DEFAULT_CONFIG configured with relative path + * during config? Should really never happen for + * sensible config + */ + vtysh_configfile_name = (char *) QUAGGA_DEFAULT_CONFIG; + strlcpy(quagga_config_default, optarg, sizeof(vtysh_config_always)); + strlcat(quagga_config_default, "/", sizeof(vtysh_config_always)); + strlcat(quagga_config_default, vtysh_configfile_name, + sizeof(quagga_config_default)); + break; case 'd': daemon_name = optarg; break; |
