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/*
* convert-exec-param.c
*
* TOMOYO Linux's utilities.
*
* Copyright (C) 2005-2009 NTT DATA CORPORATION
*
* Version: 1.7.1 2009/11/11
*
*/
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[])
{
char buffer[3][65536];
int line = 0;
memset(buffer, 0, sizeof(buffer));
if (argc > 1) {
fprintf(stderr, "Usage: %s < /proc/ccs/grant_log or "
"/proc/ccs/reject_log\n", argv[0]);
return 0;
}
while (1) {
int i;
char *cp;
char *exe;
char *args;
int envc;
char *envs;
/* Find header line. */
i = getc(stdin);
if (i)
ungetc(i, stdin);
if (!fgets(buffer[0], sizeof(buffer[0]) - 1, stdin))
break;
line++;
if (!strchr(buffer[0], '\n'))
goto out;
if (buffer[0][0] != '#')
continue;
/* Check for " argc=" part. */
cp = strstr(buffer[0], " argc=");
if (!cp)
continue;
/* Get argc value. */
if (sscanf(cp + 1, "argc=%d", &argc) != 1)
goto out;
/* Check for " envc=" part. */
cp = strstr(buffer[0], " envc=");
if (!cp)
continue;
/* Get envc value. */
if (sscanf(cp + 1, "envc=%d", &envc) != 1)
goto out;
/* Get realpath part. */
exe = strstr(buffer[0], " realpath=\"");
if (!exe)
continue;
exe++;
/* Get argv[]= part. */
cp = strstr(buffer[0], " argv[]={ ");
if (!cp)
goto out;
args = cp + 10;
/* Get envp[]= part. */
cp = strstr(buffer[0], " envp[]={ ");
if (!cp)
goto out;
envs = cp + 10;
/* Terminate realpath part. */
cp = strchr(exe, ' ');
if (!cp)
goto out;
*cp = '\0';
/* Terminate argv[] part. */
cp = strstr(args - 1, " } ");
if (!cp)
goto out;
*cp = '\0';
/* Terminate envp[] part. */
cp = strstr(envs - 1, " } ");
if (!cp)
goto out;
*cp = '\0';
/* Get domainname. */
line++;
i = getc(stdin);
if (i)
ungetc(i, stdin);
if (!fgets(buffer[1], sizeof(buffer[1]) - 1, stdin) ||
!strchr(buffer[1], '\n'))
goto out;
/* Get "allow_execute " line. */
line++;
i = getc(stdin);
if (i)
ungetc(i, stdin);
if (!fgets(buffer[2], sizeof(buffer[2]) - 1, stdin))
goto out;
cp = strchr(buffer[2], '\n');
if (!cp)
goto out;
*cp-- = '\0';
while (*cp == ' ')
*cp-- = '\0';
if (strncmp(buffer[2], "allow_execute ", 14))
continue;
/* Print domainname. */
printf("%s", buffer[1]);
/* Print permission and exec.realpath part. */
printf("%s if exec.%s", buffer[2], exe);
/* Print exec.argc part. */
printf(" exec.argc=%d", argc);
/* Print exec.argv[] part. */
if (argc) {
i = 0;
cp = strtok(args, " ");
while (cp && *cp == '"') {
printf(" exec.argv[%d]=%s", i++, cp);
cp = strtok(NULL, " ");
}
}
/* Print exec.envc part. */
printf(" exec.envc=%d", envc);
/* Print exec.envp[] part. */
if (envc) {
cp = strtok(envs, " ");
while (cp && *cp == '"') {
char c = *(cp + 1);
char *cp2 = cp + 1;
if (!c || c == '"' || c == '=')
goto bad_env;
while (1) {
c = *cp2++;
if (c == '=')
break;
if (!c || c == '"')
goto bad_env;
}
if (!*cp2 || *cp2 == '"')
goto bad_env;
printf(" exec.envp[");
while (1) {
c = *cp++;
if (c == '=')
break;
putchar(c);
}
printf("\"]=\"%s", cp);
bad_env:
cp = strtok(NULL, " ");
}
}
printf("\n\n");
}
return 0;
out:
fprintf(stderr, "%d: Broken log entry. Aborted.\n", line);
return 1;
}
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