diff options
Diffstat (limited to 'src/envctl.c')
| -rw-r--r-- | src/envctl.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/envctl.c b/src/envctl.c deleted file mode 100644 index 78dd760..0000000 --- a/src/envctl.c +++ /dev/null @@ -1,125 +0,0 @@ -#include "envctl.h" -#include "core.h" - -struct EnvCtl *envctl_init() { - struct EnvCtl *result; - - result = calloc(1, sizeof(*result)); - if (!result) { - return NULL; - } - - result->num_alloc = STASIS_ENVCTL_DEFAULT_ALLOC; - result->item = calloc(result->num_alloc + 1, sizeof(result->item)); - if (!result->item) { - guard_free(result); - return NULL; - } - - return result; -} - -static int callback_builtin_nop(const void *a, const void *b) { - return STASIS_ENVCTL_RET_SUCCESS; -} - -int envctl_register(struct EnvCtl **envctl, unsigned flags, envctl_except_fn *callback, const char *name) { - if ((*envctl)->num_used == (*envctl)->num_alloc) { - (*envctl)->num_alloc += STASIS_ENVCTL_DEFAULT_ALLOC; - struct EnvCtl_Item **tmp = realloc((*envctl)->item, (*envctl)->num_alloc + 1 * sizeof((*envctl)->item)); - if (!tmp) { - return 1; - } else { - (*envctl)->item = tmp; - } - } - - struct EnvCtl_Item **item = (*envctl)->item; - item[(*envctl)->num_used] = calloc(1, sizeof(*item[0])); - if (!item[(*envctl)->num_used]) { - return 1; - } - if (!callback) { - callback = &callback_builtin_nop; - } - item[(*envctl)->num_used]->callback = callback; - item[(*envctl)->num_used]->name = name; - item[(*envctl)->num_used]->flags = flags; - - (*envctl)->num_used++; - return 0; -} - -size_t envctl_get_index(const struct EnvCtl *envctl, const char *name) { - for (size_t i = 0; i < envctl->num_used; i++) { - if (!strcmp(envctl->item[i]->name, name)) { - // pack state flag, outer (struct) index and inner (name) index - return 1L << 63L | i; - } - } - return 0; -} - -void envctl_decode_index(size_t in_i, size_t *state, size_t *out_i, size_t *name_i) { - *state = ((in_i >> 63L) & 1); - *out_i = in_i & 0xffffffffL; -} - -unsigned envctl_check_required(unsigned flags) { - return flags & STASIS_ENVCTL_REQUIRED; -} - -unsigned envctl_check_redact(unsigned flags) { - return flags & STASIS_ENVCTL_REDACT; -} - -int envctl_check_present(const struct EnvCtl_Item *item, const char *name) { - return ((!strcmp(item->name, name)) && getenv(name)) ? 1 : 0; -} - -unsigned envctl_get_flags(const struct EnvCtl *envctl, const char *name) { - size_t poll_index = envctl_get_index(envctl, name); - size_t id = 0; - size_t name_id = 0; - size_t state = 0; - envctl_decode_index(poll_index, &state, &id, &name_id); - if (!state) { - return 0; - } else { - fprintf(stderr, "managed environment variable: %s\n", name); - } - return envctl->item[id]->flags; -} - -void envctl_do_required(const struct EnvCtl *envctl, int verbose) { - for (size_t i = 0; i < envctl->num_used; i++) { - struct EnvCtl_Item *item = envctl->item[i]; - const char *name = item->name; - envctl_except_fn *callback = item->callback; - - if (verbose) { - msg(STASIS_MSG_L2, "Verifying %s\n", name); - } - int code = callback((const void *) item, (const void *) name); - if (code == STASIS_ENVCTL_RET_IGNORE || code == STASIS_ENVCTL_RET_SUCCESS) { - continue; - } else if (code == STASIS_ENVCTL_RET_FAIL) { - fprintf(stderr, "\n%s must be set. Exiting.\n", name); - exit(1); - } else { - fprintf(stderr, "\nan unknown envctl callback code occurred: %d\n", code); - exit(1); - } - } -} - -void envctl_free(struct EnvCtl **envctl) { - if (!envctl) { - return; - } - for (size_t i = 0; i < (*envctl)->num_used; i++) { - guard_free((*envctl)->item[i]); - } - guard_free((*envctl)->item); - guard_free(*envctl); -}
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