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Better error checking of argc for --applet call.

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This commit is contained in:
Robin H. Johnson 2011-01-17 08:39:44 +00:00
parent bfb87f2d51
commit 6804edfc85
1 changed files with 7 additions and 5 deletions
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4
src/rc/rc.c
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@ -821,7 +821,9 @@ main(int argc, char **argv)
* than trusting argv[0], as argv[0] is not going to be the applet value if * than trusting argv[0], as argv[0] is not going to be the applet value if
* we are doing SELinux context switching. For this, we allow calls such as * we are doing SELinux context switching. For this, we allow calls such as
* 'rc --applet APPLET', and shift ALL of argv down by two array items. */ * 'rc --applet APPLET', and shift ALL of argv down by two array items. */
if(strcmp(basename_c(argv[0]), "rc") == 0 && strcmp(argv[1], "--applet") == 0) { if (strcmp(basename_c(argv[0]), "rc") == 0 && argc > 1 && strcmp(argv[1], "--applet") == 0) {
if (argc == 2)
eerrorx("applet argument required");
for (i = 2; i < argc; i++) for (i = 2; i < argc; i++)
argv[i - 2] = argv[i]; argv[i - 2] = argv[i];
argv[argc - 2] = NULL; argv[argc - 2] = NULL;