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-rw-r--r--lib/extra_opts.c155
-rw-r--r--lib/extra_opts.h15
-rw-r--r--lib/tests/config-opts.ini14
-rw-r--r--lib/tests/test_opts.c208
-rwxr-xr-xlib/tests/test_opts.t6
5 files changed, 398 insertions, 0 deletions
diff --git a/lib/extra_opts.c b/lib/extra_opts.c
new file mode 100644
index 0000000..3a0ce04
--- /dev/null
+++ b/lib/extra_opts.c
@@ -0,0 +1,155 @@
1/*****************************************************************************
2*
3* Nagios-plugins extra_opts library
4*
5* License: GPL
6* Copyright (c) 2007 Nagios Plugins Development Team
7*
8* Last Modified: $Date: 2008-03-15 18:42:01 -0400 (Sat, 15 Mar 2008) $
9*
10*
11* This program is free software: you can redistribute it and/or modify
12* it under the terms of the GNU General Public License as published by
13* the Free Software Foundation, either version 3 of the License, or
14* (at your option) any later version.
15*
16* This program is distributed in the hope that it will be useful,
17* but WITHOUT ANY WARRANTY; without even the implied warranty of
18* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19* GNU General Public License for more details.
20*
21* You should have received a copy of the GNU General Public License
22* along with this program. If not, see <http://www.gnu.org/licenses/>.
23*
24* $Id: parse_ini.c 1950 2008-03-15 22:42:01Z dermoth $
25*
26*****************************************************************************/
27
28#include "common.h"
29#include "extra_opts.h"
30#include "parse_ini.h"
31#include "utils_base.h"
32#include <ctype.h>
33
34/* FIXME: copied from utils.h; we should move a bunch of libs! */
35int
36is_option (char *str)
37{
38 if (!str)
39 return 0;
40 else if (strspn (str, "-") == 1 || strspn (str, "-") == 2)
41 return 1;
42 else
43 return 0;
44}
45
46/* this is the externally visible function used by plugins */
47/* Shouldn't se modify directly **argv (passed as a char ***) and argc
48 * (as int *) ?
49 */
50char **np_extra_opts(int argc, char **argv, const char *plugin_name, int *argc_new){
51 np_arg_list *extra_args=NULL, *ea_tmp1=NULL, *ea_tmp2=NULL;
52 char **argv_new=NULL;
53 char *argptr=NULL;
54 int i, j, optfound, ea_num=argc;
55
56 if(argc<2) {
57 /* No arguments provided */
58 *argc_new=argc;
59 argv_new=argv;
60 return argv_new;
61 }
62
63 for(i=1; i<argc; i++){
64 argptr=NULL;
65 optfound=0;
66
67 /* Do we have an extra-opts parameter? */
68 if(strncmp(argv[i], "--extra-opts=", 13)==0){
69 /* It is a single argument with value */
70 argptr=argv[i]+13;
71 /* Delete the extra opts argument */
72 for(j=i;j<argc;j++) argv[j]=argv[j+1];
73 i--;
74 argc--;
75 }else if(strcmp(argv[i], "--extra-opts")==0){
76 if(!is_option(argv[i+1])){
77 /* It is a argument with separate value */
78 argptr=argv[i+1];
79 /* Delete the extra-opts argument/value */
80 for(j=i;j<argc-1;j++) argv[j]=argv[j+2];
81 i-=2;
82 argc-=2;
83 ea_num--;
84 }else{
85 /* It has no value */
86 optfound=1;
87 /* Delete the extra opts argument */
88 for(j=i;j<argc;j++) argv[j]=argv[j+1];
89 i--;
90 argc--;
91 }
92 }
93
94 if(argptr||optfound){
95 /* Process ini section, returning a linked list of arguments */
96 ea_tmp1=np_get_defaults(argptr, plugin_name);
97 if(ea_tmp1==NULL) {
98 /* no extra args? */
99 ea_num--;
100 continue;
101 }
102
103 /* append the list to extra_args */
104 if(extra_args==NULL){
105 extra_args=ea_tmp2=ea_tmp1;
106 while(ea_tmp2->next) {
107 ea_tmp2=ea_tmp2->next;
108 ea_num++;
109 }
110 }else{
111 ea_tmp2=extra_args;
112 while(ea_tmp2->next) {
113 ea_tmp2=ea_tmp2->next;
114 ea_num++;
115 }
116 ea_tmp2->next=ea_tmp1;
117 }
118 ea_tmp1=ea_tmp2=NULL;
119 }
120 /* lather, rince, repeat */
121 }
122
123 if(ea_num==argc && extra_args==NULL){
124 /* No extra-opts */
125 *argc_new=argc;
126 argv_new=argv;
127 return argv_new;
128 }
129
130 /* done processing arguments. now create a new argc/argv set... */
131 argv_new=(char**)malloc((ea_num+1)*sizeof(char**));
132 if(argv_new==NULL) die(STATE_UNKNOWN, _("malloc() failed!\n"));
133
134 /* starting with program name (Should we strdup or just use the poiter?) */
135 argv_new[0]=strdup(argv[0]);
136 *argc_new=1;
137 /* then parsed ini opts (frying them up in the same run) */
138 while(extra_args){
139 argv_new[*argc_new]=strdup(extra_args->arg);
140 *argc_new+=1;
141 ea_tmp1=extra_args;
142 extra_args=extra_args->next;
143 free(ea_tmp1);
144 }
145 /* finally the rest of the argv array (Should we strdup or just use the poiter?) */
146 for (i=1; i<argc; i++){
147 argv_new[*argc_new]=strdup(argv[i]);
148 *argc_new+=1;
149 }
150 /* and terminate. */
151 argv_new[*argc_new]=NULL;
152
153 return argv_new;
154}
155
diff --git a/lib/extra_opts.h b/lib/extra_opts.h
new file mode 100644
index 0000000..5f89d2b
--- /dev/null
+++ b/lib/extra_opts.h
@@ -0,0 +1,15 @@
1#ifndef _EXTRA_OPTS_H_
2#define _EXTRA_OPTS_H_
3
4/*
5 * extra_opts.h: routines for loading nagios-plugin defaults from ini
6 * configuration files.
7 */
8
9/* np_extra_opts: Process the --extra-opts arguments and create a new argument
10 * array load the default configuration (if present) for
11 * a plugin from the ini file
12 */
13char **np_extra_opts(int argc, char **argv, const char *plugin_name, int *argc_new);
14
15#endif /* _EXTRA_OPTS_H_ */
diff --git a/lib/tests/config-opts.ini b/lib/tests/config-opts.ini
new file mode 100644
index 0000000..5c93572
--- /dev/null
+++ b/lib/tests/config-opts.ini
@@ -0,0 +1,14 @@
1# This config file is for testing test_opts
2
3[sect1]
4one=two
5
6[check_disk]
7foo=Bar
8this=Your Mother!
9blank=
10
11[sect2]
12something else=oops
13this=that
14
diff --git a/lib/tests/test_opts.c b/lib/tests/test_opts.c
new file mode 100644
index 0000000..1272605
--- /dev/null
+++ b/lib/tests/test_opts.c
@@ -0,0 +1,208 @@
1/*****************************************************************************
2*
3* This program is free software: you can redistribute it and/or modify
4* it under the terms of the GNU General Public License as published by
5* the Free Software Foundation, either version 3 of the License, or
6* (at your option) any later version.
7*
8* This program is distributed in the hope that it will be useful,
9* but WITHOUT ANY WARRANTY; without even the implied warranty of
10* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11* GNU General Public License for more details.
12*
13* You should have received a copy of the GNU General Public License
14* along with this program. If not, see <http://www.gnu.org/licenses/>.
15*
16* $Id: test_ini.c 1951 2008-03-16 18:10:47Z dermoth $
17*
18*****************************************************************************/
19
20#include "common.h"
21#include "extra_opts.h"
22#include "utils_base.h"
23
24#include "tap.h"
25
26void my_free(int *argc, char **argv) {
27 int i;
28 printf (" Arg(%i): ", *argc);
29 for (i=1; i<*argc; i++) printf ("'%s' ", argv[i]);
30 printf ("\n");
31 free(argv);
32 *argc=0;
33}
34
35int array_diff(int i1, char **a1, int i2, char **a2) {
36 int i;
37
38 if (i1 != i2) {
39 printf(" Argument count doesn't match!\n");
40 return 0;
41 }
42 for (i=0; i<=i1; i++) {
43 if (a1[i]==NULL && a2[i]==NULL) continue;
44 if (a1[i]==NULL || a2[i]==NULL) {
45 printf(" Argument # %i null in one array!\n", i);
46 return 0;
47 }
48 if (strcmp(a1[i], a2[i])) {
49 printf(" Argument # %i doesn't match!\n", i);
50 return 0;
51 }
52 }
53 return 1;
54}
55
56int
57main (int argc, char **argv)
58{
59 char **argv_test=NULL, **argv_known=NULL;
60 int i, argc_test, argc_new;
61
62 plan_tests(8);
63
64 argv_test=(char **)malloc(2*sizeof(char **));
65 argv_test[0] = "prog_name";
66 argv_test[1] = NULL;
67 argc_test=1;
68 argv_known=(char **)realloc(argv_known, 2*sizeof(char **));
69 argv_known[0] = "prog_name";
70 argv_known[1] = NULL;
71 argv_test=np_extra_opts(argc_test, argv_test, "check_disk", &argc_new);
72 ok(array_diff(argc_new, argv_test, 1, argv_known), "No opts, returns correct argv/argc");
73 my_free(&argc_new, argv_test);
74
75 argv_test=(char **)malloc(6*sizeof(char **));
76 argv_test[0] = "prog_name";
77 argv_test[1] = "arg1";
78 argv_test[2] = "--arg2=val1";
79 argv_test[3] = "--arg3";
80 argv_test[4] = "val2";
81 argv_test[5] = NULL;
82 argc_test=5;
83 argv_known=(char **)realloc(argv_known, 6*sizeof(char **));
84 argv_known[0] = "prog_name";
85 argv_known[1] = "arg1";
86 argv_known[2] = "--arg2=val1";
87 argv_known[3] = "--arg3";
88 argv_known[4] = "val2";
89 argv_known[5] = NULL;
90 argv_test=np_extra_opts(argc_test, argv_test, "check_disk", &argc_new);
91 ok(array_diff(argc_new, argv_test, 5, argv_known), "No extra opts, verbatim copy of argv");
92 my_free(&argc_new,argv_test);
93
94 argv_test=(char **)malloc(3*sizeof(char **));
95 argv_test[0] = "prog_name";
96 argv_test[1] = "--extra-opts=@./config-opts.ini";
97 argv_test[2] = NULL;
98 argc_test=2;
99 argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
100 argv_known[0] = "prog_name";
101 argv_known[1] = "--foo=Bar";
102 argv_known[2] = "--this=Your Mother!";
103 argv_known[3] = "--blank";
104 argv_known[4] = NULL;
105 argv_test=np_extra_opts(argc_test, argv_test, "check_disk", &argc_new);
106 ok(array_diff(argc_new, argv_test, 4, argv_known), "Only extra opts using default section");
107 my_free(&argc_new,argv_test);
108
109 argv_test=(char **)malloc(5*sizeof(char **));
110 argv_test[0] = "prog_name";
111 argv_test[1] = "--extra-opts=sect1@./config-opts.ini";
112 argv_test[2] = "--extra-opts";
113 argv_test[3] = "sect2@./config-opts.ini";
114 argv_test[4] = NULL;
115 argc_test=4;
116 argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
117 argv_known[0] = "prog_name";
118 argv_known[1] = "--one=two";
119 argv_known[2] = "--something else=oops";
120 argv_known[3] = "--this=that";
121 argv_known[4] = NULL;
122 argv_test=np_extra_opts(argc_test, argv_test, "check_disk", &argc_new);
123 ok(array_diff(argc_new, argv_test, 4, argv_known), "Only extra opts specified twice");
124 my_free(&argc_new,argv_test);
125
126 argv_test=(char **)malloc(7*sizeof(char **));
127 argv_test[0] = "prog_name";
128 argv_test[1] = "--arg1=val1";
129 argv_test[2] = "--extra-opts=@./config-opts.ini";
130 argv_test[3] = "--extra-opts";
131 argv_test[4] = "sect1@./config-opts.ini";
132 argv_test[5] = "--arg2";
133 argv_test[6] = NULL;
134 argc_test=6;
135 argv_known=(char **)realloc(argv_known, 8*sizeof(char **));
136 argv_known[0] = "prog_name";
137 argv_known[1] = "--foo=Bar";
138 argv_known[2] = "--this=Your Mother!";
139 argv_known[3] = "--blank";
140 argv_known[4] = "--one=two";
141 argv_known[5] = "--arg1=val1";
142 argv_known[6] = "--arg2";
143 argv_known[7] = NULL;
144 argv_test=np_extra_opts(argc_test, argv_test, "check_disk", &argc_new);
145 ok(array_diff(argc_new, argv_test, 7, argv_known), "twice extra opts using two sections");
146 my_free(&argc_new,argv_test);
147
148 /* Next three checks should die according to N::P - for now they're useful
149 * to test code is working properly (i.e. no srash or unexpected behavior)
150 */
151 argv_test=(char **)malloc(6*sizeof(char **));
152 argv_test[0] = "prog_name";
153 argv_test[1] = "arg1";
154 argv_test[2] = "--extra-opts=missing@./config-opts.ini";
155 argv_test[3] = "--arg3";
156 argv_test[4] = "val2";
157 argv_test[5] = NULL;
158 argc_test=5;
159 argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
160 argv_known[0] = "prog_name";
161 argv_known[1] = "arg1";
162 argv_known[2] = "--arg3";
163 argv_known[3] = "val2";
164 argv_known[4] = NULL;
165 argv_test=np_extra_opts(argc_test, argv_test, "check_missing", &argc_new);
166 ok(array_diff(argc_new, argv_test, 4, argv_known), "Missing section 1");
167 my_free(&argc_new,argv_test);
168
169 argv_test=(char **)malloc(7*sizeof(char **));
170 argv_test[0] = "prog_name";
171 argv_test[1] = "arg1";
172 argv_test[2] = "--extra-opts";
173 argv_test[3] = "missing@./config-opts.ini";
174 argv_test[4] = "--arg3";
175 argv_test[5] = "val2";
176 argv_test[6] = NULL;
177 argc_test=6;
178 argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
179 argv_known[0] = "prog_name";
180 argv_known[1] = "arg1";
181 argv_known[2] = "--arg3";
182 argv_known[3] = "val2";
183 argv_known[4] = NULL;
184 argv_test=np_extra_opts(argc_test, argv_test, "check_missing", &argc_new);
185 ok(array_diff(argc_new, argv_test, 4, argv_known), "Missing section 2");
186 my_free(&argc_new,argv_test);
187
188 argv_test=(char **)malloc(6*sizeof(char **));
189 argv_test[0] = "prog_name";
190 argv_test[1] = "arg1";
191 argv_test[2] = "--extra-opts";
192 argv_test[3] = "--arg3";
193 argv_test[4] = "val2";
194 argv_test[5] = NULL;
195 argc_test=5;
196 argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
197 argv_known[0] = "prog_name";
198 argv_known[1] = "arg1";
199 argv_known[2] = "--arg3";
200 argv_known[3] = "val2";
201 argv_known[4] = NULL;
202 argv_test=np_extra_opts(argc_test, argv_test, "check_missing", &argc_new);
203 ok(array_diff(argc_new, argv_test, 4, argv_known), "Missing section 3");
204 my_free(&argc_new,argv_test);
205
206 return exit_status();
207}
208
diff --git a/lib/tests/test_opts.t b/lib/tests/test_opts.t
new file mode 100755
index 0000000..86a5b21
--- /dev/null
+++ b/lib/tests/test_opts.t
@@ -0,0 +1,6 @@
1#!/usr/bin/perl
2use Test::More;
3if (! -e "./test_opts") {
4 plan skip_all => "./test_opts not compiled - please install tap library to test";
5}
6exec "./test_opts";