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Move some helpers out into auth-common.c
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Jan 26, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /* | ||
| * OpenConnect (SSL + DTLS) VPN client | ||
| * | ||
| * Copyright © 2008-2015 Intel Corporation. | ||
| * | ||
| * Author: David Woodhouse <dwmw2@infradead.org> | ||
| * | ||
| * This program is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public License | ||
| * version 2.1, as published by the Free Software Foundation. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but | ||
| * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| */ | ||
|
|
||
| #include <config.h> | ||
|
|
||
| #include <unistd.h> | ||
| #include <fcntl.h> | ||
| #include <time.h> | ||
| #include <string.h> | ||
| #include <ctype.h> | ||
| #include <errno.h> | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
| #include <sys/types.h> | ||
| #include <stdarg.h> | ||
|
|
||
| #include "openconnect-internal.h" | ||
|
|
||
| int xmlnode_is_named(xmlNode *xml_node, const char *name) | ||
| { | ||
| return !strcmp((char *)xml_node->name, name); | ||
| } | ||
|
|
||
| int xmlnode_get_prop(xmlNode *xml_node, const char *name, char **var) | ||
| { | ||
| char *str = (char *)xmlGetProp(xml_node, (unsigned char *)name); | ||
|
|
||
| if (!str) | ||
| return -ENOENT; | ||
|
|
||
| free(*var); | ||
| *var = str; | ||
| return 0; | ||
| } | ||
|
|
||
| int xmlnode_match_prop(xmlNode *xml_node, const char *name, const char *match) | ||
| { | ||
| char *str = (char *)xmlGetProp(xml_node, (unsigned char *)name); | ||
| int ret = 0; | ||
|
|
||
| if (!str) | ||
| return -ENOENT; | ||
|
|
||
| if (strcmp(str, match)) | ||
| ret = -EEXIST; | ||
|
|
||
| free(str); | ||
| return ret; | ||
| } | ||
|
|
||
| int append_opt(struct oc_text_buf *body, char *opt, char *name) | ||
| { | ||
| if (buf_error(body)) | ||
| return buf_error(body); | ||
|
|
||
| if (body->pos) | ||
| buf_append(body, "&"); | ||
|
|
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| buf_append_urlencoded(body, opt); | ||
| buf_append(body, "="); | ||
| buf_append_urlencoded(body, name); | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| int append_form_opts(struct openconnect_info *vpninfo, | ||
| struct oc_auth_form *form, struct oc_text_buf *body) | ||
| { | ||
| struct oc_form_opt *opt; | ||
| int ret; | ||
|
|
||
| for (opt = form->opts; opt; opt = opt->next) { | ||
| ret = append_opt(body, opt->name, opt->_value); | ||
| if (ret) | ||
| return ret; | ||
| } | ||
| return 0; | ||
| } | ||
|
|
||
| void free_opt(struct oc_form_opt *opt) | ||
| { | ||
| /* for SELECT options, opt->value is a pointer to oc_choice->name */ | ||
| if (opt->type != OC_FORM_OPT_SELECT) | ||
| free(opt->_value); | ||
| else { | ||
| struct oc_form_opt_select *sel = (void *)opt; | ||
| int i; | ||
|
|
||
| for (i = 0; i < sel->nr_choices; i++) { | ||
| free(sel->choices[i]->name); | ||
| free(sel->choices[i]->label); | ||
| free(sel->choices[i]->auth_type); | ||
| free(sel->choices[i]->override_name); | ||
| free(sel->choices[i]->override_label); | ||
| free(sel->choices[i]); | ||
| } | ||
| free(sel->choices); | ||
| } | ||
|
|
||
| free(opt->name); | ||
| free(opt->label); | ||
| free(opt); | ||
| } | ||
|
|
||
| void free_auth_form(struct oc_auth_form *form) | ||
| { | ||
| if (!form) | ||
| return; | ||
| while (form->opts) { | ||
| struct oc_form_opt *tmp = form->opts->next; | ||
| free_opt(form->opts); | ||
| form->opts = tmp; | ||
| } | ||
| free(form->error); | ||
| free(form->message); | ||
| free(form->banner); | ||
| free(form->auth_id); | ||
| free(form->method); | ||
| free(form->action); | ||
| free(form); | ||
| } |
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