/* * Copyright (c) 2001-2002 Packet Design, LLC. * All rights reserved. * * Subject to the following obligations and disclaimer of warranty, * use and redistribution of this software, in source or object code * forms, with or without modifications are expressly permitted by * Packet Design; provided, however, that: * * (i) Any and all reproductions of the source or object code * must include the copyright notice above and the following * disclaimer of warranties; and * (ii) No rights are granted, in any manner or form, to use * Packet Design trademarks, including the mark "PACKET DESIGN" * on advertising, endorsements, or otherwise except as such * appears in the above copyright notice or in the software. * * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, * OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE, * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, * RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * Author: Archie Cobbs */ #include #include #include #include #include #include #include #include "structs/structs.h" #include "structs/type/array.h" #include "util/typed_mem.h" #include "config/app_config.h" #include "sys/alog.h" /************************************************************************ DIRECTORY SUBSYSTEM ************************************************************************/ static app_ss_startup_t app_directory_start; static app_ss_willrun_t app_directory_willrun; static app_ss_changed_t app_directory_changed; const struct app_subsystem app_config_directory_subsystem = { "directory", NULL, app_directory_start, NULL, app_directory_willrun, app_directory_changed, NULL }; /* * Directory startup */ static int app_directory_start(struct app_config_ctx *ctx, const struct app_subsystem *ss, const void *config) { const char *const name = ss->arg; char *dir; int r; /* Get directory */ if ((dir = structs_get_string(app_config_get_type(ctx), name, config, TYPED_MEM_TEMP)) == NULL) { alogf(LOG_ERR, "%s: %m", "structs_get_string"); return (-1); } /* Change into it */ if ((r = chdir(dir)) == -1) alog(LOG_ERR, "can't change to directory \"%s\": %m", dir); FREE(TYPED_MEM_TEMP, dir); return (r); } /* * Directory necessity check */ static int app_directory_willrun(struct app_config_ctx *ctx, const struct app_subsystem *ss, const void *config) { const char *const name = ss->arg; char *dir; int r; /* Get directory */ assert(name != NULL); if ((dir = structs_get_string(app_config_get_type(ctx), name, config, TYPED_MEM_TEMP)) == NULL) { alogf(LOG_ERR, "%s: %m", "structs_get_string"); return (-1); } /* Check if not NULL */ r = (*dir != '\0'); FREE(TYPED_MEM_TEMP, dir); return (r); } /* * Directory configuration changed check */ static int app_directory_changed(struct app_config_ctx *ctx, const struct app_subsystem *ss, const void *config1, const void *config2) { const char *const name = ss->arg; int ret; /* Compare directory names */ if ((ret = structs_equal(app_config_get_type(ctx), name, config1, config2)) == -1) { alogf(LOG_ERR, "%s: %m", "structs_equal"); return (-1); } return (!ret); }