X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Futils.c;h=aed03c4e49402e2b0dd3c2dc53a4835e791dc0b8;hb=3a9b2491aa376e199ec9c8b2d4c9b5daa6c942aa;hp=49e4d3d76d03d2bcd566840be6d1949932c5eb01;hpb=44a321cb8a42d6c0ea2d96a1086a17f2134c89cc;p=nagiosplug.git diff --git a/plugins/utils.c b/plugins/utils.c index 49e4d3d..aed03c4 100644 --- a/plugins/utils.c +++ b/plugins/utils.c @@ -11,70 +11,77 @@ * $Date$ ****************************************************************************/ +#define LOCAL_TIMEOUT_ALARM_HANDLER + #include "config.h" #include "common.h" -#include "version.h" +#include "utils.h" #include #include -extern int timeout_interval; - -char *my_basename (char *); -void support (void); -char *clean_revstring (const char *); -void print_revision (char *, const char *); -void terminate (int, const char *fmt, ...); -RETSIGTYPE timeout_alarm_handler (int); - -int is_host (char *); -int is_dotted_quad (char *); -int is_hostname (char *); - -int is_integer (char *); -int is_intpos (char *); -int is_intneg (char *); -int is_intnonneg (char *); -int is_intpercent (char *); - -int is_numeric (char *); -int is_positive (char *); -int is_negative (char *); -int is_nonnegative (char *); -int is_percentage (char *); - -int is_option (char *str); - -void strip (char *); -char *strscpy (char *dest, const char *src); -char *strscat (char *dest, const char *src); -char *strnl (char *str); -char *ssprintf (char *str, const char *fmt, ...); -char *strpcpy (char *dest, const char *src, const char *str); -char *strpcat (char *dest, const char *src, const char *str); - -#define LABELLEN 63 +#include + +extern void print_usage (void); +extern const char *progname; + #define STRLEN 64 #define TXTBLK 128 -#define max(a,b) ((a)>(b))?(a):(b) +/* ************************************************************************** + * max_state(STATE_x, STATE_y) + * compares STATE_x to STATE_y and returns result based on the following + * STATE_UNKNOWN < STATE_OK < STATE_WARNING < STATE_CRITICAL + * + * Note that numerically the above does not hold + ****************************************************************************/ -char * -my_basename (char *path) +int +max_state (int a, int b) { - if (!strstr (path, "/")) - return path; + if (a == STATE_CRITICAL || b == STATE_CRITICAL) + return STATE_CRITICAL; + else if (a == STATE_WARNING || b == STATE_WARNING) + return STATE_WARNING; + else if (a == STATE_OK || b == STATE_OK) + return STATE_OK; + else if (a == STATE_UNKNOWN || b == STATE_UNKNOWN) + return STATE_UNKNOWN; + else if (a == STATE_DEPENDENT || b == STATE_DEPENDENT) + return STATE_DEPENDENT; else - return 1 + strrchr (path, '/'); + return max (a, b); +} + +void usage (char *msg) +{ + printf (msg); + print_usage (); + exit (STATE_UNKNOWN); +} + +void usage2(char *msg, char *arg) +{ + printf ("%s: %s - %s\n",progname,msg,arg); + print_usage (); + exit (STATE_UNKNOWN); +} + +void +usage3 (char *msg, int arg) +{ + printf ("%s: %s - %c\n", progname, msg, arg); + print_usage(); + exit (STATE_UNKNOWN); } void support (void) { - printf - ("Send email to nagios-users@lists.sourceforge.net if you have questions\n" - "regarding use of this software. To submit patches or suggest improvements,\n" - "send email to nagiosplug-devel@lists.sourceforge.net\n"); + printf (_("\n\ +Send email to nagios-users@lists.sourceforge.net if you have questions\n\ +regarding use of this software. To submit patches or suggest improvements,\n\ +send email to nagiosplug-devel@lists.sourceforge.net\n")); } @@ -89,24 +96,40 @@ clean_revstring (const char *revstring) } void -print_revision (char *command_name, const char *revision_string) +print_revision (const char *command_name, const char *revision_string) { char plugin_revision[STRLEN]; if (sscanf (revision_string, "$Revision: %[0-9.]", plugin_revision) != 1) strncpy (plugin_revision, "N/A", STRLEN); - printf ("%s (nagios-plugins %s) %s\n", - my_basename (command_name), VERSION, plugin_revision); - printf - ("The nagios plugins come with ABSOLUTELY NO WARRANTY. You may redistribute\n" - "copies of the plugins under the terms of the GNU General Public License.\n" - "For more information about these matters, see the file named COPYING.\n"); + printf ("%s (%s %s) %s\n", + command_name, PACKAGE, VERSION, plugin_revision); + printf (_("\ +The nagios plugins come with ABSOLUTELY NO WARRANTY. You may redistribute\n\ +copies of the plugins under the terms of the GNU General Public License.\n\ +For more information about these matters, see the file named COPYING.\n")); } +const char * +state_text (int result) +{ + switch (result) { + case STATE_OK: + return "OK"; + case STATE_WARNING: + return "WARNING"; + case STATE_CRITICAL: + return "CRITICAL"; + case STATE_DEPENDENT: + return "DEPENDENT"; + default: + return "UNKNOWN"; + } +} void -terminate (int result, const char *fmt, ...) +die (int result, const char *fmt, ...) { va_list ap; va_start (ap, fmt); @@ -126,89 +149,44 @@ timeout_alarm_handler (int signo) } int -is_host (char *address) -{ - if (is_dotted_quad (address) || is_hostname (address)) - return (TRUE); - return (FALSE); -} - -int -is_dotted_quad (char *address) +is_numeric (char *number) { - int o1, o2, o3, o4; - char c[1]; + char tmp[1]; + float x; - if (sscanf (address, "%d.%d.%d.%d%c", &o1, &o2, &o3, &o4, c) != 4) + if (!number) return FALSE; - else if (o1 > 255 || o2 > 255 || o3 > 255 || o4 > 255) - return FALSE; - else if (o1 < 0 || o2 < 0 || o3 < 0 || o4 < 0) - return FALSE; - else + else if (sscanf (number, "%f%c", &x, tmp) == 1) return TRUE; -} - -/* from RFC-1035 - * - * The labels must follow the rules for ARPANET host names. They must - * start with a letter, end with a letter or digit, and have as interior - * characters only letters, digits, and hyphen. There are also some - * restrictions on the length. Labels must be 63 characters or less. */ - -int -is_hostname (char *s1) -{ - if (strlen (s1) > 63) - return FALSE; - if (strcspn - (s1, - "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUWVXYZ0123456789-.") != - 0) return FALSE; - if (strspn (s1, "0123456789-.") == 1) + else return FALSE; - while ((s1 = index (s1, '.'))) { - s1++; - if (strspn (s1, "0123456789-.") == 1) { - printf ("%s\n", s1); - return FALSE; - } - } - return TRUE; -} - -int -is_numeric (char *number) -{ - char tmp[1]; - float x; - if (sscanf (number, "%f%c", &x, tmp) == 1) - return (TRUE); - return (FALSE); } int is_positive (char *number) { if (is_numeric (number) && atof (number) > 0.0) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int is_negative (char *number) { if (is_numeric (number) && atof (number) < 0.0) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int is_nonnegative (char *number) { if (is_numeric (number) && atof (number) >= 0.0) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int @@ -216,8 +194,9 @@ is_percentage (char *number) { int x; if (is_numeric (number) && (x = atof (number)) >= 0 && x <= 100) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int @@ -225,37 +204,42 @@ is_integer (char *number) { long int n; - if (strspn (number, "-0123456789 ") != strlen (number)) - return (FALSE); + if (!number || (strspn (number, "-0123456789 ") != strlen (number))) + return FALSE; n = strtol (number, NULL, 10); + if (errno != ERANGE && n >= INT_MIN && n <= INT_MAX) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int is_intpos (char *number) { if (is_integer (number) && atoi (number) > 0) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int is_intneg (char *number) { if (is_integer (number) && atoi (number) < 0) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int is_intnonneg (char *number) { if (is_integer (number) && atoi (number) >= 0) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int @@ -263,20 +247,45 @@ is_intpercent (char *number) { int i; if (is_integer (number) && (i = atoi (number)) >= 0 && i <= 100) - return (TRUE); - return (FALSE); + return TRUE; + else + return FALSE; } int is_option (char *str) { - if (strspn (str, "-") == 1 || strspn (str, "-") == 2) + if (!str) + return FALSE; + else if (strspn (str, "-") == 1 || strspn (str, "-") == 2) return TRUE; - return FALSE; + else + return FALSE; } +#ifdef NEED_GETTIMEOFDAY +int +gettimeofday (struct timeval *tv, struct timezone *tz) +{ + tv->tv_usec = 0; + tv->tv_sec = (long) time ((time_t) 0); +} +#endif + + + +double +delta_time (struct timeval tv) +{ + struct timeval now; + + gettimeofday (&now, NULL); + return ((double)(now.tv_sec - tv.tv_sec) + (double)(now.tv_usec - tv.tv_usec) / (double)1000000); +} + + void @@ -302,13 +311,7 @@ strip (char *buffer) /****************************************************************************** * - * Copies one string to another - * - * Given a pointer destination string, which may or may not already - * hold some text, and a source string with additional text (possibly - * NULL or empty), returns a pointer to a a copy of the source - * string. Uses realloc to free memory held by the dest argument if - * new storage space is required, and any previously existing data in + * Copies one string to another. Any previously existing data in * the destination string is lost. * * Example: @@ -321,67 +324,10 @@ strip (char *buffer) char * strscpy (char *dest, const char *src) { - size_t len; - if (src == NULL) - return dest; - - len = strlen (src) + 1; - if (dest == NULL) - dest = malloc (len); - else if (strlen (dest) < len) - dest = realloc (dest, len); - if (dest == NULL) - terminate (STATE_UNKNOWN, "failed realloc in strscpy\n"); - - strncpy (dest, src, len); - - return dest; -} - - - - - -/****************************************************************************** - * - * Concatenates one string to the end of another - * - * Given a pointer destination string, which may or may not already - * hold some text, and a source string with additional text (possibly - * NULL or empty), returns a pointer to a string that is the first - * string with the second concatenated to it. Uses realloc to free - * memory held by the dest argument if new storage space is required. - * - * Example: - * - * char *str=NULL; - * str = strscpy("This is a line of text with no trailing newline"); - * str = strscat(str,"\n"); - * - *****************************************************************************/ - -char * -strscat (char *dest, const char *src) -{ - size_t len, l2; - - if (src) - l2 = strlen (src); - else - return dest; - - if (dest) - len = strlen (dest); - else - len = 0; - - dest = realloc (dest, len + l2 + 1); - if (dest == NULL) - terminate (STATE_UNKNOWN, "failed malloc in strscat\n"); + return NULL; - strncpy (dest + len, src, l2); - dest[len + l2] = '\0'; + asprintf (&dest, "%s", src); return dest; } @@ -462,72 +408,6 @@ strnl (char *str) -/****************************************************************************** - * - * Does a formatted print to a string variable - * - * Given a pointer destination string, which may or may not already - * hold some text, and a source string with additional text (possibly - * NULL or empty), returns a pointer to a string that cntains the - * results of the specified formatted print - * - * Example: - * - * char *str=NULL; - * str = ssprintf(str,"%d %s",1,"string"); - * - *****************************************************************************/ - -char * -ssprintf (char *ptr, const char *fmt, ...) -{ - va_list ap; - int nchars; - size_t size; - char *str = NULL; - - if (str == NULL) { - str = malloc (TXTBLK); - if (str == NULL) - terminate (STATE_UNKNOWN, "malloc failed in ssprintf"); - size = TXTBLK; - } - else - size = max (strlen (str), TXTBLK); - - va_start (ap, fmt); - - while (1) { - - nchars = vsnprintf (str, size, fmt, ap); - - if (nchars > -1) - if (nchars < (int) size) { - va_end (ap); - str[nchars] = '\0'; - if (ptr) - free (ptr); - return str; - } - else { - size = (size_t) (nchars + 1); - } - - else - size *= 2; - - str = realloc (str, size); - - if (str == NULL) - terminate (STATE_UNKNOWN, "realloc failed in ssprintf"); - } - -} - - - - - /****************************************************************************** * * Like strscpy, except only the portion of the source string up to @@ -557,7 +437,7 @@ strpcpy (char *dest, const char *src, const char *str) if (dest == NULL || strlen (dest) < len) dest = realloc (dest, len + 1); if (dest == NULL) - terminate (STATE_UNKNOWN, "failed realloc in strpcpy\n"); + die (STATE_UNKNOWN, "failed realloc in strpcpy\n"); strncpy (dest, src, len); dest[len] = '\0'; @@ -601,7 +481,7 @@ strpcat (char *dest, const char *src, const char *str) dest = realloc (dest, len + l2 + 1); if (dest == NULL) - terminate (STATE_UNKNOWN, "failed malloc in strscat\n"); + die (STATE_UNKNOWN, "failed malloc in strscat\n"); strncpy (dest + len, src, l2); dest[len + l2] = '\0';