diff options
Diffstat (limited to 'source4/heimdal/lib/hx509/env.c')
| -rw-r--r-- | source4/heimdal/lib/hx509/env.c | 181 |
1 files changed, 133 insertions, 48 deletions
diff --git a/source4/heimdal/lib/hx509/env.c b/source4/heimdal/lib/hx509/env.c index f868c22488..a124e6ea1c 100644 --- a/source4/heimdal/lib/hx509/env.c +++ b/source4/heimdal/lib/hx509/env.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007 Kungliga Tekniska Högskolan + * Copyright (c) 2007 - 2008 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * @@ -32,7 +32,7 @@ */ #include "hx_locl.h" -RCSID("$Id: env.c 22349 2007-12-26 19:32:49Z lha $"); +RCSID("$Id: env.c 22677 2008-03-13 17:35:49Z lha $"); /** * @page page_env Hx509 enviroment functions @@ -40,19 +40,13 @@ RCSID("$Id: env.c 22349 2007-12-26 19:32:49Z lha $"); * See the library functions here: @ref hx509_env */ -struct hx509_env { - struct { - char *key; - char *value; - } *val; - size_t len; -}; - /** - * Allocate a new hx509_env container object. + * Add a new key/value pair to the hx509_env. * * @param context A hx509 context. - * @param env return a hx509_env structure, free with hx509_env_free(). + * @param env enviroment to add the enviroment variable too. + * @param key key to add + * @param value value to add * * @return An hx509 error code, see hx509_get_error_string(). * @@ -60,23 +54,50 @@ struct hx509_env { */ int -hx509_env_init(hx509_context context, hx509_env *env) +hx509_env_add(hx509_context context, hx509_env *env, + const char *key, const char *value) { - *env = calloc(1, sizeof(**env)); - if (*env == NULL) { + hx509_env n; + + n = malloc(sizeof(*n)); + if (n == NULL) { hx509_set_error_string(context, 0, ENOMEM, "out of memory"); return ENOMEM; } + + n->type = env_string; + n->next = NULL; + n->name = strdup(key); + if (n->name == NULL) { + free(n); + return ENOMEM; + } + n->u.string = strdup(value); + if (n->u.string == NULL) { + free(n->name); + free(n); + return ENOMEM; + } + + /* add to tail */ + if (*env) { + hx509_env e = *env; + while (e->next) + e = e->next; + e->next = n; + } else + *env = n; + return 0; } /** - * Add a new key/value pair to the hx509_env. + * Add a new key/binding pair to the hx509_env. * * @param context A hx509 context. * @param env enviroment to add the enviroment variable too. * @param key key to add - * @param value value to add + * @param list binding list to add * * @return An hx509 error code, see hx509_get_error_string(). * @@ -84,34 +105,41 @@ hx509_env_init(hx509_context context, hx509_env *env) */ int -hx509_env_add(hx509_context context, hx509_env env, - const char *key, const char *value) +hx509_env_add_binding(hx509_context context, hx509_env *env, + const char *key, hx509_env list) { - void *ptr; + hx509_env n; - ptr = realloc(env->val, sizeof(env->val[0]) * (env->len + 1)); - if (ptr == NULL) { + n = malloc(sizeof(*n)); + if (n == NULL) { hx509_set_error_string(context, 0, ENOMEM, "out of memory"); return ENOMEM; } - env->val = ptr; - env->val[env->len].key = strdup(key); - if (env->val[env->len].key == NULL) { - hx509_set_error_string(context, 0, ENOMEM, "out of memory"); - return ENOMEM; - } - env->val[env->len].value = strdup(value); - if (env->val[env->len].value == NULL) { - free(env->val[env->len].key); - hx509_set_error_string(context, 0, ENOMEM, "out of memory"); + + n->type = env_list; + n->next = NULL; + n->name = strdup(key); + if (n->name == NULL) { + free(n); return ENOMEM; } - env->len++; + n->u.list = list; + + /* add to tail */ + if (*env) { + hx509_env e = *env; + while (e->next) + e = e->next; + e->next = n; + } else + *env = n; + return 0; } + /** - * Search the hx509_env for a key. + * Search the hx509_env for a length based key. * * @param context A hx509 context. * @param env enviroment to add the enviroment variable too. @@ -127,17 +155,81 @@ const char * hx509_env_lfind(hx509_context context, hx509_env env, const char *key, size_t len) { - size_t i; + while(env) { + if (strncmp(key, env->name ,len) == 0 + && env->name[len] == '\0' && env->type == env_string) + return env->u.string; + env = env->next; + } + return NULL; +} - for (i = 0; i < env->len; i++) { - char *s = env->val[i].key; - if (strncmp(key, s, len) == 0 && s[len] == '\0') - return env->val[i].value; +/** + * Search the hx509_env for a key. + * + * @param context A hx509 context. + * @param env enviroment to add the enviroment variable too. + * @param key key to search for. + * + * @return the value if the key is found, NULL otherwise. + * + * @ingroup hx509_env + */ + +const char * +hx509_env_find(hx509_context context, hx509_env env, const char *key) +{ + while(env) { + if (strcmp(key, env->name) == 0 && env->type == env_string) + return env->u.string; + env = env->next; } return NULL; } /** + * Search the hx509_env for a binding. + * + * @param context A hx509 context. + * @param env enviroment to add the enviroment variable too. + * @param key key to search for. + * + * @return the binding if the key is found, NULL if not found. + * + * @ingroup hx509_env + */ + +hx509_env +hx509_env_find_binding(hx509_context context, + hx509_env env, + const char *key) +{ + while(env) { + if (strcmp(key, env->name) == 0 && env->type == env_list) + return env->u.list; + env = env->next; + } + return NULL; +} + +static void +env_free(hx509_env b) +{ + while(b) { + hx509_env next = b->next; + + if (b->type == env_string) + free(b->u.string); + else if (b->type == env_list) + env_free(b->u.list); + + free(b->name); + free(b); + b = next; + } +} + +/** * Free an hx509_env enviroment context. * * @param env the enviroment to free. @@ -148,14 +240,7 @@ hx509_env_lfind(hx509_context context, hx509_env env, void hx509_env_free(hx509_env *env) { - size_t i; - - for (i = 0; i < (*env)->len; i++) { - free((*env)->val[i].key); - free((*env)->val[i].value); - } - free((*env)->val); - free(*env); + if (*env) + env_free(*env); *env = NULL; } - |