diff options
Diffstat (limited to 'src/plugins/auth-pam/auth-pam.c')
-rw-r--r-- | src/plugins/auth-pam/auth-pam.c | 91 |
1 files changed, 1 insertions, 90 deletions
diff --git a/src/plugins/auth-pam/auth-pam.c b/src/plugins/auth-pam/auth-pam.c index 710accc..5ad3ec8 100644 --- a/src/plugins/auth-pam/auth-pam.c +++ b/src/plugins/auth-pam/auth-pam.c @@ -39,7 +39,6 @@ #include <stdio.h> #include <string.h> #include <ctype.h> -#include <stdbool.h> #include <unistd.h> #include <stdlib.h> #include <sys/types.h> @@ -48,7 +47,7 @@ #include <fcntl.h> #include <signal.h> #include <syslog.h> -#include <stdint.h> +#include "utils.h" #include <openvpn-plugin.h> @@ -117,94 +116,6 @@ struct user_pass { /* Background process function */ static void pam_server (int fd, const char *service, int verb, const struct name_value_list *name_value_list); -/* Read 'tosearch', replace all occurences of 'searchfor' with 'replacewith' and return - * a pointer to the NEW string. Does not modify the input strings. Will not enter an - * infinite loop with clever 'searchfor' and 'replacewith' strings. - * Daniel Johnson - Progman2000@usa.net / djohnson@progman.us - * - * Retuns NULL when - * - any parameter is NULL - * - the worst-case result is to large ( >= SIZE_MAX) - */ -static char * -searchandreplace(const char *tosearch, const char *searchfor, const char *replacewith) -{ - if (!tosearch || !searchfor || !replacewith) return NULL; - - size_t tosearchlen = strlen(tosearch); - size_t replacewithlen = strlen(replacewith); - size_t templen = tosearchlen * replacewithlen; - - if (tosearchlen == 0 || strlen(searchfor) == 0 || replacewithlen == 0) { - return NULL; - } - - bool is_potential_integer_overflow = (templen == SIZE_MAX) || (templen / tosearchlen != replacewithlen); - - if (is_potential_integer_overflow) { - return NULL; - } - - // state: all parameters are valid - - const char *searching=tosearch; - char *scratch; - - char temp[templen+1]; - temp[0]=0; - - scratch = strstr(searching,searchfor); - if (!scratch) return strdup(tosearch); - - while (scratch) { - strncat(temp,searching,scratch-searching); - strcat(temp,replacewith); - - searching=scratch+strlen(searchfor); - scratch = strstr(searching,searchfor); - } - return strdup(temp); -} - -/* - * Given an environmental variable name, search - * the envp array for its value, returning it - * if found or NULL otherwise. - */ -static const char * -get_env (const char *name, const char *envp[]) -{ - if (envp) - { - int i; - const int namelen = strlen (name); - for (i = 0; envp[i]; ++i) - { - if (!strncmp (envp[i], name, namelen)) - { - const char *cp = envp[i] + namelen; - if (*cp == '=') - return cp + 1; - } - } - } - return NULL; -} - -/* - * Return the length of a string array - */ -static int -string_array_len (const char *array[]) -{ - int i = 0; - if (array) - { - while (array[i]) - ++i; - } - return i; -} /* * Socket read/write functions. |