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Add open and close functions to the approval plugin API.

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We need a close function to be able to to free memory allocated for
errstr.  Unlike the other plugins, the close function is called
immediately after the plugin's check or show_version function.
The plugin does not remain open until the command completes.
This commit is contained in:
Todd C. Miller
2020-02-10 15:29:48 -07:00
parent 55b61b989f
commit 01a53f2865
5 changed files with 603 additions and 196 deletions
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12
include/sudo_plugin.h
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@@ -242,15 +242,15 @@ struct approval_plugin {
#define SUDO_APPROVAL_PLUGIN 4
unsigned int type; /* always SUDO_APPROVAL_PLUGIN */
unsigned int version; /* always SUDO_API_VERSION */
int (*check)(unsigned int version, sudo_conv_t conversation,
int (*open)(unsigned int version, sudo_conv_t conversation,
sudo_printf_t sudo_printf, char * const settings[],
char * const user_info[], int submit_optind,
char * const submit_argv[], char * const submit_envp[],
char * const command_info[], char * const run_argv[],
char * const run_envp[], char * const plugin_options[],
const char **errstr);
int (*show_version)(unsigned int version, sudo_conv_t conversation,
sudo_printf_t sudo_printf, int verbose);
char * const plugin_options[], const char **errstr);
void (*close)(void);
int (*check)(char * const command_info[], char * const run_argv[],
char * const run_envp[], const char **errstr);
int (*show_version)(int verbose);
};
/* Sudoers group plugin version major/minor */