diff options
Diffstat (limited to 'config_global.c')
| -rw-r--r-- | config_global.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/config_global.c b/config_global.c new file mode 100644 index 0000000..b1c6dc2 --- /dev/null +++ b/config_global.c @@ -0,0 +1,186 @@ +#include "spm.h" + +char *get_user_conf_dir(void) { + char *result = NULL; + wordexp_t wexp; + wordexp("~/.spm", &wexp, 0); + if (wexp.we_wordc != 0) { + result = (char *)calloc(strlen(wexp.we_wordv[0]) + 1, sizeof(char)); + if (!result) { + wordfree(&wexp); + return NULL; + } + strncpy(result, wexp.we_wordv[0], strlen(wexp.we_wordv[0])); + if (access(result, F_OK) != 0) { + mkdirs(result, 0755); + } + } + wordfree(&wexp); + return result; +} + +char *get_user_config_file(void) { + const char *filename = "spm.conf"; + char template[PATH_MAX]; + char *ucd = get_user_conf_dir(); + if (!ucd) { + return NULL; + } + // Initialize temporary path + template[0] = '\0'; + + sprintf(template, "%s%c%s", ucd, DIRSEP, filename); + if (access(template, F_OK) != 0) { + // No configuration exists, so fail + return NULL; + } + free(ucd); + // Allocate and return path to configuration file + return strdup(template); +} + +char *get_user_tmp_dir(void) { + char template[PATH_MAX]; + char *ucd = get_user_conf_dir(); + sprintf(template, "%s%ctmp", ucd, DIRSEP); + + if (access(template, F_OK) != 0) { + if (mkdirs(template, 0755) != 0) { + return NULL; + } + } + + free(ucd); + return strdup(template); +} + +char *get_user_package_dir(void) { + char template[PATH_MAX]; + char *ucd = get_user_conf_dir(); + sprintf(template, "%s%cpkgs", ucd, DIRSEP); + + if (access(template, F_OK) != 0) { + if (mkdirs(template, 0755) != 0) { + return NULL; + } + } + + free(ucd); + return strdup(template); +} + +/** + * Check whether SPM has access to external programs it needs + */ +void check_runtime_environment(void) { + int bad_rt = 0; + char *required[] = { + "patchelf", + "rsync", + "tar", + "bash", + "reloc", + NULL, + }; + for (int i = 0; required[i] != NULL; i++) { + char *result = find_executable(required[i]); + if (!result) { + fprintf(stderr, "Required program '%s' is not installed\n", required[i]); + bad_rt = 1; + } + free(result); + } + if (bad_rt) { + exit(1); + } +} + + + +void init_config_global(void) { + SPM_GLOBAL.user_config_basedir = NULL; + SPM_GLOBAL.user_config_file = NULL; + SPM_GLOBAL.package_dir = NULL; + SPM_GLOBAL.tmp_dir = NULL; + SPM_GLOBAL.config = NULL; + + if (uname(&SPM_GLOBAL.sysinfo) != 0) { + fprintf(SYSERROR); + exit(1); + } + + SPM_GLOBAL.user_config_basedir = get_user_conf_dir(); + SPM_GLOBAL.user_config_file = get_user_config_file(); + if (SPM_GLOBAL.user_config_file) { + SPM_GLOBAL.config = config_read(SPM_GLOBAL.user_config_file); + } + + ConfigItem *item = NULL; + + // Initialize temp directory + item = config_get(SPM_GLOBAL.config, "tmp_dir"); + if (item) { + SPM_GLOBAL.tmp_dir = item->value; + if (access(SPM_GLOBAL.tmp_dir, F_OK) != 0) { + if (mkdirs(SPM_GLOBAL.tmp_dir, 0755) != 0) { + fprintf(stderr, "Unable to create global temporary directory: %s\n", SPM_GLOBAL.tmp_dir); + fprintf(SYSERROR); + exit(1); + } + } + } + else { + SPM_GLOBAL.tmp_dir = get_user_tmp_dir(); + } + + // Initialize package directory + item = config_get(SPM_GLOBAL.config, "package_dir"); + if (item) { + SPM_GLOBAL.package_dir = item->value; + if (access(SPM_GLOBAL.package_dir, F_OK) != 0) { + if (mkdirs(SPM_GLOBAL.package_dir, 0755) != 0) { + fprintf(stderr, "Unable to create global package directory: %s\n", SPM_GLOBAL.package_dir); + fprintf(SYSERROR); + exit(1); + } + } + } + else { + SPM_GLOBAL.package_dir = get_user_package_dir(); + } +} + +void free_global_config(void) { + if (SPM_GLOBAL.package_dir) { + free(SPM_GLOBAL.package_dir); + } + if (SPM_GLOBAL.tmp_dir) { + free(SPM_GLOBAL.tmp_dir); + } + if (SPM_GLOBAL.user_config_basedir) { + free(SPM_GLOBAL.user_config_basedir); + } + if (SPM_GLOBAL.user_config_file) { + free(SPM_GLOBAL.user_config_file); + } + if (SPM_GLOBAL.config) { + config_free(SPM_GLOBAL.config); + } +} + +void show_global_config(void) { + printf("#---------------------------\n"); + printf("#---- SPM CONFIGURATION ----\n"); + printf("#---------------------------\n"); + printf("# base dir: %s\n", SPM_GLOBAL.user_config_basedir ? SPM_GLOBAL.user_config_basedir : "none (check write permission on home directory)"); + printf("# config file: %s\n", SPM_GLOBAL.user_config_file ? SPM_GLOBAL.user_config_file : "none"); + if (SPM_GLOBAL.user_config_file) { + printf("# config file contents:\n"); + for (int i = 0; SPM_GLOBAL.config[i] != NULL; i++) { + printf("# -> %s: %s\n", SPM_GLOBAL.config[i]->key, SPM_GLOBAL.config[i]->value); + } + } + printf("# package storage: %s\n", SPM_GLOBAL.package_dir); + printf("# temp storage: %s\n", SPM_GLOBAL.tmp_dir); + printf("\n"); +} |