diff options
| -rw-r--r-- | THANKS.in | 1 | ||||
| -rw-r--r-- | configure.in | 11 | ||||
| -rw-r--r-- | plugins-root/pst3.c | 252 |
3 files changed, 263 insertions, 1 deletions
| @@ -168,3 +168,4 @@ Ronald Tin | |||
| 168 | Chester Hosey | 168 | Chester Hosey |
| 169 | Pascal Larisch | 169 | Pascal Larisch |
| 170 | David Sullivan | 170 | David Sullivan |
| 171 | Bob Ingraham | ||
diff --git a/configure.in b/configure.in index ee5fb906..176a8e22 100644 --- a/configure.in +++ b/configure.in | |||
| @@ -598,9 +598,18 @@ dnl #### Process table test | |||
| 598 | AC_PATH_PROG(PATH_TO_PS,ps) | 598 | AC_PATH_PROG(PATH_TO_PS,ps) |
| 599 | 599 | ||
| 600 | AC_MSG_CHECKING(for ps syntax) | 600 | AC_MSG_CHECKING(for ps syntax) |
| 601 | |||
| 602 | dnl Now using the pst3/kmem hack for solaris systems to avoid truncation | ||
| 603 | if [ "$ac_cv_uname_s" = "SunOS" ]; then | ||
| 604 | ac_cv_ps_command="$prefix/pst3" | ||
| 605 | ac_cv_ps_format="%s %d %d %d %d %f %s %n" | ||
| 606 | ac_cv_ps_varlist="[procstat,&procuid,&procppid,&procvsz,&procrss,&procpcpu,procprog,&pos]" | ||
| 607 | ac_cv_ps_cols=8 | ||
| 608 | AC_MSG_RESULT([using nagios-plugins internal ps for solaris]) | ||
| 609 | |||
| 601 | dnl Some gnu/linux systems (debian for one) don't like -axwo and need axwo. | 610 | dnl Some gnu/linux systems (debian for one) don't like -axwo and need axwo. |
| 602 | dnl so test for this first... | 611 | dnl so test for this first... |
| 603 | if ps axwo 'stat comm vsz rss user uid pid ppid args' 2>/dev/null | \ | 612 | elif ps axwo 'stat comm vsz rss user uid pid ppid args' 2>/dev/null | \ |
| 604 | egrep -i ["^ *STAT +[UCOMAND]+ +VSZ +RSS +USER +UID +PID +PPID +COMMAND"] > /dev/null | 613 | egrep -i ["^ *STAT +[UCOMAND]+ +VSZ +RSS +USER +UID +PID +PPID +COMMAND"] > /dev/null |
| 605 | then | 614 | then |
| 606 | ac_cv_ps_varlist="[procstat,&procuid,&procpid,&procppid,&procvsz,&procrss,&procpcpu,procprog,&pos]" | 615 | ac_cv_ps_varlist="[procstat,&procuid,&procpid,&procppid,&procvsz,&procrss,&procpcpu,procprog,&pos]" |
diff --git a/plugins-root/pst3.c b/plugins-root/pst3.c new file mode 100644 index 00000000..ace3113c --- /dev/null +++ b/plugins-root/pst3.c | |||
| @@ -0,0 +1,252 @@ | |||
| 1 | /* pst3.c | ||
| 2 | * | ||
| 3 | * Third version to get process arg info; this time by using | ||
| 4 | * a combination of reading the /proc/<pid>/psinfo structures | ||
| 5 | * and reading the complete arg vector from kernel memory structures. | ||
| 6 | * | ||
| 7 | * Developed and tested under Solaris 5.8 (both 32 and 64 bit modes). | ||
| 8 | * | ||
| 9 | * NOTE: This program must be setuid-root (or run by root) to work! | ||
| 10 | * | ||
| 11 | * Written: 2005-04-28 R.W.Ingraham | ||
| 12 | */ | ||
| 13 | |||
| 14 | |||
| 15 | #define _KMEMUSER 1 | ||
| 16 | |||
| 17 | #include <kvm.h> | ||
| 18 | #include <sys/param.h> | ||
| 19 | #include <sys/user.h> | ||
| 20 | #include <sys/time.h> | ||
| 21 | #include <sys/proc.h> | ||
| 22 | #include <sys/types.h> | ||
| 23 | #include <sys/stat.h> | ||
| 24 | #include <stdio.h> | ||
| 25 | #include <stdlib.h> | ||
| 26 | #include <unistd.h> | ||
| 27 | #include <string.h> | ||
| 28 | #include <procfs.h> | ||
| 29 | #include <fcntl.h> | ||
| 30 | #include <dirent.h> | ||
| 31 | #include <errno.h> | ||
| 32 | |||
| 33 | |||
| 34 | /* | ||
| 35 | * Constants | ||
| 36 | */ | ||
| 37 | |||
| 38 | #define PROC_DIR "/proc" | ||
| 39 | #define MAX_PATH 1024 | ||
| 40 | |||
| 41 | |||
| 42 | /* | ||
| 43 | * Structures | ||
| 44 | */ | ||
| 45 | |||
| 46 | |||
| 47 | /* | ||
| 48 | * Globals | ||
| 49 | */ | ||
| 50 | |||
| 51 | static char * szProg; | ||
| 52 | static kvm_t * kd; | ||
| 53 | static struct proc * pProc; | ||
| 54 | static struct user * pUser; | ||
| 55 | static char ** myArgv; | ||
| 56 | |||
| 57 | |||
| 58 | /* | ||
| 59 | * Prototypes | ||
| 60 | */ | ||
| 61 | |||
| 62 | static int HandleFile (struct dirent *pDent); | ||
| 63 | static int HandlePsInfo (char *szPath, psinfo_t *pPsInfo); | ||
| 64 | static int GetArgVectors (pid_t pid); | ||
| 65 | static void ShowArgVectors (void); | ||
| 66 | static void ReleaseArgVectors(); | ||
| 67 | |||
| 68 | |||
| 69 | /*----------------------------------------------------------------------------*/ | ||
| 70 | |||
| 71 | int main (int argc, char **argv) | ||
| 72 | { | ||
| 73 | DIR *pDir; | ||
| 74 | struct dirent *pDent; | ||
| 75 | int retcode = 0; | ||
| 76 | |||
| 77 | |||
| 78 | /* Set our program name global */ | ||
| 79 | if ((szProg = strrchr(argv[0], '/')) != NULL) | ||
| 80 | szProg++; | ||
| 81 | else | ||
| 82 | szProg = argv[0]; | ||
| 83 | |||
| 84 | /* Make sure that our euid is root */ | ||
| 85 | if (geteuid() != 0) | ||
| 86 | { | ||
| 87 | fprintf(stderr, "%s: This program can only be run by the root user!\n", szProg); | ||
| 88 | exit(1); | ||
| 89 | } | ||
| 90 | |||
| 91 | /* Get a handle to the running kernel image */ | ||
| 92 | if ((kd = kvm_open(NULL, NULL, NULL, O_RDONLY, argv[0])) == NULL) | ||
| 93 | { | ||
| 94 | fprintf(stderr, "%s: Failed to open kernel memory: %s\n", szProg, strerror(errno)); | ||
| 95 | exit(2); | ||
| 96 | } | ||
| 97 | |||
| 98 | /* Open the /proc directory */ | ||
| 99 | if ((pDir = opendir(PROC_DIR)) != NULL) | ||
| 100 | { | ||
| 101 | /* Display column headings */ | ||
| 102 | printf("S UID PPID VSZ RSS %%CPU COMMAND ARGS\n"); | ||
| 103 | |||
| 104 | /* Zip through all of the process entries */ | ||
| 105 | while ((pDent = readdir(pDir)) != NULL) | ||
| 106 | { | ||
| 107 | /* Handle each pid sub-directory */ | ||
| 108 | HandleFile(pDent); | ||
| 109 | } | ||
| 110 | |||
| 111 | /* Close the directory */ | ||
| 112 | closedir(pDir); | ||
| 113 | } | ||
| 114 | else /* ERROR: Failure to open PROC_DIR */ | ||
| 115 | { | ||
| 116 | fprintf(stderr, "%s: Failed to open \"%s\": %s\n", szProg, PROC_DIR, strerror(errno)); | ||
| 117 | retcode = 3; | ||
| 118 | } | ||
| 119 | |||
| 120 | /* Close the handle to the running kernel image */ | ||
| 121 | kvm_close(kd); | ||
| 122 | |||
| 123 | return retcode; | ||
| 124 | } | ||
| 125 | |||
| 126 | /*----------------------------------------------------------------------------*/ | ||
| 127 | |||
| 128 | static int HandleFile (struct dirent *pDent) | ||
| 129 | { | ||
| 130 | char szPath[MAX_PATH]; | ||
| 131 | psinfo_t sPsInfo; | ||
| 132 | int fd, len; | ||
| 133 | int rc = 0; | ||
| 134 | |||
| 135 | /* Skip files beginning with a "." */ | ||
| 136 | if (pDent->d_name[0] == '.') | ||
| 137 | return 0; | ||
| 138 | |||
| 139 | /* Cosntruct the path to the psinfo file */ | ||
| 140 | len = sprintf(szPath, "%s/%s/psinfo", PROC_DIR, pDent->d_name); | ||
| 141 | |||
| 142 | /* Open the psinfo file for this pid and print out its arg vectors */ | ||
| 143 | if ((fd = open(szPath, O_RDONLY)) >= 0) | ||
| 144 | { | ||
| 145 | /* Read the psinfo struct */ | ||
| 146 | if ((len = read(fd, &sPsInfo, sizeof(sPsInfo))) != sizeof(sPsInfo)) | ||
| 147 | { | ||
| 148 | rc = errno; | ||
| 149 | fprintf(stderr, "%s: Read error of psinfo structure (%d)\n", szPath, len); | ||
| 150 | return rc; | ||
| 151 | } | ||
| 152 | |||
| 153 | /* Close the psinfo file */ | ||
| 154 | close(fd); | ||
| 155 | |||
| 156 | /* Pass psinfo struct to reporting function */ | ||
| 157 | HandlePsInfo(szPath, &sPsInfo); | ||
| 158 | } | ||
| 159 | else if (errno != ENOENT) | ||
| 160 | { | ||
| 161 | rc = errno; | ||
| 162 | fprintf(stderr, "%s: %s\n", szPath, strerror(errno)); | ||
| 163 | } | ||
| 164 | |||
| 165 | return 0; | ||
| 166 | } | ||
| 167 | |||
| 168 | /*----------------------------------------------------------------------------*/ | ||
| 169 | |||
| 170 | static int HandlePsInfo (char *szPath, psinfo_t *pPsInfo) | ||
| 171 | { | ||
| 172 | int retcode; | ||
| 173 | char *thisProg; | ||
| 174 | |||
| 175 | /* Make sure that the process is still there */ | ||
| 176 | if ((retcode = GetArgVectors(pPsInfo->pr_pid)) == 0) | ||
| 177 | { | ||
| 178 | /* We use the program name from the kvm argv[0] instead | ||
| 179 | * of pr_fname from the psinfo struct because pr_fname | ||
| 180 | * may be truncated. | ||
| 181 | * | ||
| 182 | * Also, strip-off leading path information. | ||
| 183 | */ | ||
| 184 | if ((thisProg = strrchr(myArgv[0], '/')) != NULL) | ||
| 185 | thisProg++; | ||
| 186 | else | ||
| 187 | thisProg = myArgv[0]; | ||
| 188 | |||
| 189 | /* Display the ps columns (except for argv) */ | ||
| 190 | printf("%c %5d %5d %6lu %6lu %4.1f %s ", | ||
| 191 | pPsInfo->pr_lwp.pr_sname, | ||
| 192 | (int)(pPsInfo->pr_euid), | ||
| 193 | (int)(pPsInfo->pr_ppid), | ||
| 194 | (unsigned long)(pPsInfo->pr_size), | ||
| 195 | (unsigned long)(pPsInfo->pr_rssize), | ||
| 196 | ((float)(pPsInfo->pr_pctcpu) / 0x8000 * 100.0), | ||
| 197 | thisProg); | ||
| 198 | |||
| 199 | /* Display the arg vectors associated with this pid */ | ||
| 200 | ShowArgVectors(); | ||
| 201 | |||
| 202 | /* Release the arg vector buffer memory */ | ||
| 203 | ReleaseArgVectors(); | ||
| 204 | } | ||
| 205 | |||
| 206 | return retcode; | ||
| 207 | } | ||
| 208 | |||
| 209 | /*----------------------------------------------------------------------------*/ | ||
| 210 | |||
| 211 | static int GetArgVectors (pid_t pid) | ||
| 212 | { | ||
| 213 | int retcode = 1; | ||
| 214 | |||
| 215 | /* Get the proc structure for the specified PID */ | ||
| 216 | if ((pProc = kvm_getproc(kd, pid)) != NULL) | ||
| 217 | { | ||
| 218 | /* Save a copy of the process' u-area */ | ||
| 219 | if ((pUser = kvm_getu(kd, pProc)) != NULL) | ||
| 220 | { | ||
| 221 | /* Reconstruct the process' argv vector array */ | ||
| 222 | if (kvm_getcmd(kd, pProc, pUser, &myArgv, NULL) == 0) | ||
| 223 | { | ||
| 224 | retcode = 0; | ||
| 225 | } | ||
| 226 | } | ||
| 227 | } | ||
| 228 | |||
| 229 | return retcode; | ||
| 230 | } | ||
| 231 | |||
| 232 | /*----------------------------------------------------------------------------*/ | ||
| 233 | |||
| 234 | static void ShowArgVectors (void) | ||
| 235 | { | ||
| 236 | int i; | ||
| 237 | |||
| 238 | for (i=0; myArgv[i]; i++) | ||
| 239 | { | ||
| 240 | printf(" %s", myArgv[i]); | ||
| 241 | } | ||
| 242 | printf("\n"); | ||
| 243 | } | ||
| 244 | |||
| 245 | /*----------------------------------------------------------------------------*/ | ||
| 246 | |||
| 247 | static void ReleaseArgVectors() | ||
| 248 | { | ||
| 249 | /* NOOP */ | ||
| 250 | } | ||
| 251 | |||
| 252 | /*----------------------------------------------------------------------------*/ | ||
