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Avoid possible malloc(0) if plugin returns an empty groups list.

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This commit is contained in:
Todd C. Miller
2010-05-20 17:10:16 -04:00
parent 9360e67a3d
commit 20c125297f
1 changed files with 14 additions and 11 deletions
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5
src/sudo.c
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@@ -494,7 +494,9 @@ command_info_to_details(char * const info[], struct command_details *details)
break; break;
cp++; cp++;
} }
details->groups = emalloc2(details->ngroups, sizeof(GETGROUPS_T)); if (details->ngroups != 0) {
details->groups =
emalloc2(details->ngroups, sizeof(GETGROUPS_T));
cp = info[i] + sizeof("runas_groups=") - 1; cp = info[i] + sizeof("runas_groups=") - 1;
for (j = 0; j < details->ngroups;) { for (j = 0; j < details->ngroups;) {
errno = 0; errno = 0;
@@ -507,6 +509,7 @@ command_info_to_details(char * const info[], struct command_details *details)
cp = ep + 1; cp = ep + 1;
} }
details->ngroups = j; details->ngroups = j;
}
break; break;
} }
if (strncmp("runas_uid=", info[i], sizeof("runas_uid=") - 1) == 0) { if (strncmp("runas_uid=", info[i], sizeof("runas_uid=") - 1) == 0) {