| File: | src/usr.bin/tmux/arguments.c |
| Warning: | line 744, column 3 3rd function call argument is an uninitialized value |
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| 1 | /* $OpenBSD: arguments.c,v 1.62 2023/11/14 20:01:11 nicm Exp $ */ | |||
| 2 | ||||
| 3 | /* | |||
| 4 | * Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com> | |||
| 5 | * | |||
| 6 | * Permission to use, copy, modify, and distribute this software for any | |||
| 7 | * purpose with or without fee is hereby granted, provided that the above | |||
| 8 | * copyright notice and this permission notice appear in all copies. | |||
| 9 | * | |||
| 10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |||
| 11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |||
| 12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |||
| 13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
| 14 | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER | |||
| 15 | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING | |||
| 16 | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
| 17 | */ | |||
| 18 | ||||
| 19 | #include <sys/types.h> | |||
| 20 | ||||
| 21 | #include <ctype.h> | |||
| 22 | #include <stdlib.h> | |||
| 23 | #include <string.h> | |||
| 24 | #include <vis.h> | |||
| 25 | ||||
| 26 | #include "tmux.h" | |||
| 27 | ||||
| 28 | /* | |||
| 29 | * Manipulate command arguments. | |||
| 30 | */ | |||
| 31 | ||||
| 32 | /* List of argument values. */ | |||
| 33 | TAILQ_HEAD(args_values, args_value)struct args_values { struct args_value *tqh_first; struct args_value **tqh_last; }; | |||
| 34 | ||||
| 35 | /* Single arguments flag. */ | |||
| 36 | struct args_entry { | |||
| 37 | u_char flag; | |||
| 38 | struct args_values values; | |||
| 39 | u_int count; | |||
| 40 | ||||
| 41 | int flags; | |||
| 42 | #define ARGS_ENTRY_OPTIONAL_VALUE0x1 0x1 | |||
| 43 | ||||
| 44 | RB_ENTRY(args_entry)struct { struct args_entry *rbe_left; struct args_entry *rbe_right ; struct args_entry *rbe_parent; int rbe_color; } entry; | |||
| 45 | }; | |||
| 46 | ||||
| 47 | /* Parsed argument flags and values. */ | |||
| 48 | struct args { | |||
| 49 | struct args_tree tree; | |||
| 50 | u_int count; | |||
| 51 | struct args_value *values; | |||
| 52 | }; | |||
| 53 | ||||
| 54 | /* Prepared command state. */ | |||
| 55 | struct args_command_state { | |||
| 56 | struct cmd_list *cmdlist; | |||
| 57 | char *cmd; | |||
| 58 | struct cmd_parse_input pi; | |||
| 59 | }; | |||
| 60 | ||||
| 61 | static struct args_entry *args_find(struct args *, u_char); | |||
| 62 | ||||
| 63 | static int args_cmp(struct args_entry *, struct args_entry *); | |||
| 64 | RB_GENERATE_STATIC(args_tree, args_entry, entry, args_cmp)__attribute__((__unused__)) static void args_tree_RB_INSERT_COLOR (struct args_tree *head, struct args_entry *elm) { struct args_entry *parent, *gparent, *tmp; while ((parent = (elm)->entry.rbe_parent ) && (parent)->entry.rbe_color == 1) { gparent = ( parent)->entry.rbe_parent; if (parent == (gparent)->entry .rbe_left) { tmp = (gparent)->entry.rbe_right; if (tmp && (tmp)->entry.rbe_color == 1) { (tmp)->entry.rbe_color = 0; do { (parent)->entry.rbe_color = 0; (gparent)->entry .rbe_color = 1; } while (0); elm = gparent; continue; } if (( parent)->entry.rbe_right == elm) { do { (tmp) = (parent)-> entry.rbe_right; if (((parent)->entry.rbe_right = (tmp)-> entry.rbe_left)) { ((tmp)->entry.rbe_left)->entry.rbe_parent = (parent); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent)->entry.rbe_parent)) { if ((parent) == ((parent )->entry.rbe_parent)->entry.rbe_left) ((parent)->entry .rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry .rbe_parent)->entry.rbe_right = (tmp); } else (head)->rbh_root = (tmp); (tmp)->entry.rbe_left = (parent); (parent)->entry .rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent )) do {} while (0); } while (0); tmp = parent; parent = elm; elm = tmp; } do { (parent)->entry.rbe_color = 0; (gparent)-> entry.rbe_color = 1; } while (0); do { (tmp) = (gparent)-> entry.rbe_left; if (((gparent)->entry.rbe_left = (tmp)-> entry.rbe_right)) { ((tmp)->entry.rbe_right)->entry.rbe_parent = (gparent); } do {} while (0); if (((tmp)->entry.rbe_parent = (gparent)->entry.rbe_parent)) { if ((gparent) == ((gparent )->entry.rbe_parent)->entry.rbe_left) ((gparent)->entry .rbe_parent)->entry.rbe_left = (tmp); else ((gparent)-> entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)-> rbh_root = (tmp); (tmp)->entry.rbe_right = (gparent); (gparent )->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)-> entry.rbe_parent)) do {} while (0); } while (0); } else { tmp = (gparent)->entry.rbe_left; if (tmp && (tmp)-> entry.rbe_color == 1) { (tmp)->entry.rbe_color = 0; do { ( parent)->entry.rbe_color = 0; (gparent)->entry.rbe_color = 1; } while (0); elm = gparent; continue; } if ((parent)-> entry.rbe_left == elm) { do { (tmp) = (parent)->entry.rbe_left ; if (((parent)->entry.rbe_left = (tmp)->entry.rbe_right )) { ((tmp)->entry.rbe_right)->entry.rbe_parent = (parent ); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent )->entry.rbe_parent)) { if ((parent) == ((parent)->entry .rbe_parent)->entry.rbe_left) ((parent)->entry.rbe_parent )->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent )->entry.rbe_right = (tmp); } else (head)->rbh_root = ( tmp); (tmp)->entry.rbe_right = (parent); (parent)->entry .rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent )) do {} while (0); } while (0); tmp = parent; parent = elm; elm = tmp; } do { (parent)->entry.rbe_color = 0; (gparent)-> entry.rbe_color = 1; } while (0); do { (tmp) = (gparent)-> entry.rbe_right; if (((gparent)->entry.rbe_right = (tmp)-> entry.rbe_left)) { ((tmp)->entry.rbe_left)->entry.rbe_parent = (gparent); } do {} while (0); if (((tmp)->entry.rbe_parent = (gparent)->entry.rbe_parent)) { if ((gparent) == ((gparent )->entry.rbe_parent)->entry.rbe_left) ((gparent)->entry .rbe_parent)->entry.rbe_left = (tmp); else ((gparent)-> entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)-> rbh_root = (tmp); (tmp)->entry.rbe_left = (gparent); (gparent )->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)-> entry.rbe_parent)) do {} while (0); } while (0); } } (head-> rbh_root)->entry.rbe_color = 0; } __attribute__((__unused__ )) static void args_tree_RB_REMOVE_COLOR(struct args_tree *head , struct args_entry *parent, struct args_entry *elm) { struct args_entry *tmp; while ((elm == ((void *)0) || (elm)->entry .rbe_color == 0) && elm != (head)->rbh_root) { if ( (parent)->entry.rbe_left == elm) { tmp = (parent)->entry .rbe_right; if ((tmp)->entry.rbe_color == 1) { do { (tmp)-> entry.rbe_color = 0; (parent)->entry.rbe_color = 1; } while (0); do { (tmp) = (parent)->entry.rbe_right; if (((parent )->entry.rbe_right = (tmp)->entry.rbe_left)) { ((tmp)-> entry.rbe_left)->entry.rbe_parent = (parent); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent)->entry.rbe_parent )) { if ((parent) == ((parent)->entry.rbe_parent)->entry .rbe_left) ((parent)->entry.rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)->rbh_root = (tmp); (tmp)->entry .rbe_left = (parent); (parent)->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent)) do {} while ( 0); } while (0); tmp = (parent)->entry.rbe_right; } if ((( tmp)->entry.rbe_left == ((void *)0) || ((tmp)->entry.rbe_left )->entry.rbe_color == 0) && ((tmp)->entry.rbe_right == ((void *)0) || ((tmp)->entry.rbe_right)->entry.rbe_color == 0)) { (tmp)->entry.rbe_color = 1; elm = parent; parent = (elm)->entry.rbe_parent; } else { if ((tmp)->entry.rbe_right == ((void *)0) || ((tmp)->entry.rbe_right)->entry.rbe_color == 0) { struct args_entry *oleft; if ((oleft = (tmp)->entry .rbe_left)) (oleft)->entry.rbe_color = 0; (tmp)->entry. rbe_color = 1; do { (oleft) = (tmp)->entry.rbe_left; if (( (tmp)->entry.rbe_left = (oleft)->entry.rbe_right)) { (( oleft)->entry.rbe_right)->entry.rbe_parent = (tmp); } do {} while (0); if (((oleft)->entry.rbe_parent = (tmp)-> entry.rbe_parent)) { if ((tmp) == ((tmp)->entry.rbe_parent )->entry.rbe_left) ((tmp)->entry.rbe_parent)->entry. rbe_left = (oleft); else ((tmp)->entry.rbe_parent)->entry .rbe_right = (oleft); } else (head)->rbh_root = (oleft); ( oleft)->entry.rbe_right = (tmp); (tmp)->entry.rbe_parent = (oleft); do {} while (0); if (((oleft)->entry.rbe_parent )) do {} while (0); } while (0); tmp = (parent)->entry.rbe_right ; } (tmp)->entry.rbe_color = (parent)->entry.rbe_color; (parent)->entry.rbe_color = 0; if ((tmp)->entry.rbe_right ) ((tmp)->entry.rbe_right)->entry.rbe_color = 0; do { ( tmp) = (parent)->entry.rbe_right; if (((parent)->entry. rbe_right = (tmp)->entry.rbe_left)) { ((tmp)->entry.rbe_left )->entry.rbe_parent = (parent); } do {} while (0); if (((tmp )->entry.rbe_parent = (parent)->entry.rbe_parent)) { if ((parent) == ((parent)->entry.rbe_parent)->entry.rbe_left ) ((parent)->entry.rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent)->entry.rbe_right = ( tmp); } else (head)->rbh_root = (tmp); (tmp)->entry.rbe_left = (parent); (parent)->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent)) do {} while (0); } while (0); elm = (head)->rbh_root; break; } } else { tmp = (parent )->entry.rbe_left; if ((tmp)->entry.rbe_color == 1) { do { (tmp)->entry.rbe_color = 0; (parent)->entry.rbe_color = 1; } while (0); do { (tmp) = (parent)->entry.rbe_left; if (((parent)->entry.rbe_left = (tmp)->entry.rbe_right)) { ((tmp)->entry.rbe_right)->entry.rbe_parent = (parent); } do {} while (0); if (((tmp)->entry.rbe_parent = (parent )->entry.rbe_parent)) { if ((parent) == ((parent)->entry .rbe_parent)->entry.rbe_left) ((parent)->entry.rbe_parent )->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent )->entry.rbe_right = (tmp); } else (head)->rbh_root = ( tmp); (tmp)->entry.rbe_right = (parent); (parent)->entry .rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent )) do {} while (0); } while (0); tmp = (parent)->entry.rbe_left ; } if (((tmp)->entry.rbe_left == ((void *)0) || ((tmp)-> entry.rbe_left)->entry.rbe_color == 0) && ((tmp)-> entry.rbe_right == ((void *)0) || ((tmp)->entry.rbe_right) ->entry.rbe_color == 0)) { (tmp)->entry.rbe_color = 1; elm = parent; parent = (elm)->entry.rbe_parent; } else { if ( (tmp)->entry.rbe_left == ((void *)0) || ((tmp)->entry.rbe_left )->entry.rbe_color == 0) { struct args_entry *oright; if ( (oright = (tmp)->entry.rbe_right)) (oright)->entry.rbe_color = 0; (tmp)->entry.rbe_color = 1; do { (oright) = (tmp)-> entry.rbe_right; if (((tmp)->entry.rbe_right = (oright)-> entry.rbe_left)) { ((oright)->entry.rbe_left)->entry.rbe_parent = (tmp); } do {} while (0); if (((oright)->entry.rbe_parent = (tmp)->entry.rbe_parent)) { if ((tmp) == ((tmp)->entry .rbe_parent)->entry.rbe_left) ((tmp)->entry.rbe_parent) ->entry.rbe_left = (oright); else ((tmp)->entry.rbe_parent )->entry.rbe_right = (oright); } else (head)->rbh_root = (oright); (oright)->entry.rbe_left = (tmp); (tmp)->entry .rbe_parent = (oright); do {} while (0); if (((oright)->entry .rbe_parent)) do {} while (0); } while (0); tmp = (parent)-> entry.rbe_left; } (tmp)->entry.rbe_color = (parent)->entry .rbe_color; (parent)->entry.rbe_color = 0; if ((tmp)->entry .rbe_left) ((tmp)->entry.rbe_left)->entry.rbe_color = 0 ; do { (tmp) = (parent)->entry.rbe_left; if (((parent)-> entry.rbe_left = (tmp)->entry.rbe_right)) { ((tmp)->entry .rbe_right)->entry.rbe_parent = (parent); } do {} while (0 ); if (((tmp)->entry.rbe_parent = (parent)->entry.rbe_parent )) { if ((parent) == ((parent)->entry.rbe_parent)->entry .rbe_left) ((parent)->entry.rbe_parent)->entry.rbe_left = (tmp); else ((parent)->entry.rbe_parent)->entry.rbe_right = (tmp); } else (head)->rbh_root = (tmp); (tmp)->entry .rbe_right = (parent); (parent)->entry.rbe_parent = (tmp); do {} while (0); if (((tmp)->entry.rbe_parent)) do {} while (0); } while (0); elm = (head)->rbh_root; break; } } } if (elm) (elm)->entry.rbe_color = 0; } __attribute__((__unused__ )) static struct args_entry * args_tree_RB_REMOVE(struct args_tree *head, struct args_entry *elm) { struct args_entry *child, * parent, *old = elm; int color; if ((elm)->entry.rbe_left == ((void *)0)) child = (elm)->entry.rbe_right; else if ((elm )->entry.rbe_right == ((void *)0)) child = (elm)->entry .rbe_left; else { struct args_entry *left; elm = (elm)->entry .rbe_right; while ((left = (elm)->entry.rbe_left)) elm = left ; child = (elm)->entry.rbe_right; parent = (elm)->entry .rbe_parent; color = (elm)->entry.rbe_color; if (child) (child )->entry.rbe_parent = parent; if (parent) { if ((parent)-> entry.rbe_left == elm) (parent)->entry.rbe_left = child; else (parent)->entry.rbe_right = child; do {} while (0); } else (head)->rbh_root = child; if ((elm)->entry.rbe_parent == old) parent = elm; (elm)->entry = (old)->entry; if ((old )->entry.rbe_parent) { if (((old)->entry.rbe_parent)-> entry.rbe_left == old) ((old)->entry.rbe_parent)->entry .rbe_left = elm; else ((old)->entry.rbe_parent)->entry. rbe_right = elm; do {} while (0); } else (head)->rbh_root = elm; ((old)->entry.rbe_left)->entry.rbe_parent = elm; if ((old)->entry.rbe_right) ((old)->entry.rbe_right)-> entry.rbe_parent = elm; if (parent) { left = parent; do { do { } while (0); } while ((left = (left)->entry.rbe_parent)); } goto color; } parent = (elm)->entry.rbe_parent; color = ( elm)->entry.rbe_color; if (child) (child)->entry.rbe_parent = parent; if (parent) { if ((parent)->entry.rbe_left == elm ) (parent)->entry.rbe_left = child; else (parent)->entry .rbe_right = child; do {} while (0); } else (head)->rbh_root = child; color: if (color == 0) args_tree_RB_REMOVE_COLOR(head , parent, child); return (old); } __attribute__((__unused__)) static struct args_entry * args_tree_RB_INSERT(struct args_tree *head, struct args_entry *elm) { struct args_entry *tmp; struct args_entry *parent = ((void *)0); int comp = 0; tmp = (head) ->rbh_root; while (tmp) { parent = tmp; comp = (args_cmp)( elm, parent); if (comp < 0) tmp = (tmp)->entry.rbe_left ; else if (comp > 0) tmp = (tmp)->entry.rbe_right; else return (tmp); } do { (elm)->entry.rbe_parent = parent; (elm )->entry.rbe_left = (elm)->entry.rbe_right = ((void *)0 ); (elm)->entry.rbe_color = 1; } while (0); if (parent != ( (void *)0)) { if (comp < 0) (parent)->entry.rbe_left = elm ; else (parent)->entry.rbe_right = elm; do {} while (0); } else (head)->rbh_root = elm; args_tree_RB_INSERT_COLOR(head , elm); return (((void *)0)); } __attribute__((__unused__)) static struct args_entry * args_tree_RB_FIND(struct args_tree *head , struct args_entry *elm) { struct args_entry *tmp = (head)-> rbh_root; int comp; while (tmp) { comp = args_cmp(elm, tmp); if (comp < 0) tmp = (tmp)->entry.rbe_left; else if (comp > 0) tmp = (tmp)->entry.rbe_right; else return (tmp); } return (((void *)0)); } __attribute__((__unused__)) static struct args_entry * args_tree_RB_NFIND(struct args_tree *head, struct args_entry *elm) { struct args_entry *tmp = (head)->rbh_root; struct args_entry *res = ((void *)0); int comp; while (tmp) { comp = args_cmp(elm, tmp); if (comp < 0) { res = tmp; tmp = (tmp )->entry.rbe_left; } else if (comp > 0) tmp = (tmp)-> entry.rbe_right; else return (tmp); } return (res); } __attribute__ ((__unused__)) static struct args_entry * args_tree_RB_NEXT(struct args_entry *elm) { if ((elm)->entry.rbe_right) { elm = (elm )->entry.rbe_right; while ((elm)->entry.rbe_left) elm = (elm)->entry.rbe_left; } else { if ((elm)->entry.rbe_parent && (elm == ((elm)->entry.rbe_parent)->entry.rbe_left )) elm = (elm)->entry.rbe_parent; else { while ((elm)-> entry.rbe_parent && (elm == ((elm)->entry.rbe_parent )->entry.rbe_right)) elm = (elm)->entry.rbe_parent; elm = (elm)->entry.rbe_parent; } } return (elm); } __attribute__ ((__unused__)) static struct args_entry * args_tree_RB_PREV(struct args_entry *elm) { if ((elm)->entry.rbe_left) { elm = (elm )->entry.rbe_left; while ((elm)->entry.rbe_right) elm = (elm)->entry.rbe_right; } else { if ((elm)->entry.rbe_parent && (elm == ((elm)->entry.rbe_parent)->entry.rbe_right )) elm = (elm)->entry.rbe_parent; else { while ((elm)-> entry.rbe_parent && (elm == ((elm)->entry.rbe_parent )->entry.rbe_left)) elm = (elm)->entry.rbe_parent; elm = (elm)->entry.rbe_parent; } } return (elm); } __attribute__ ((__unused__)) static struct args_entry * args_tree_RB_MINMAX (struct args_tree *head, int val) { struct args_entry *tmp = ( head)->rbh_root; struct args_entry *parent = ((void *)0); while (tmp) { parent = tmp; if (val < 0) tmp = (tmp)->entry. rbe_left; else tmp = (tmp)->entry.rbe_right; } return (parent ); }; | |||
| 65 | ||||
| 66 | /* Arguments tree comparison function. */ | |||
| 67 | static int | |||
| 68 | args_cmp(struct args_entry *a1, struct args_entry *a2) | |||
| 69 | { | |||
| 70 | return (a1->flag - a2->flag); | |||
| 71 | } | |||
| 72 | ||||
| 73 | /* Find a flag in the arguments tree. */ | |||
| 74 | static struct args_entry * | |||
| 75 | args_find(struct args *args, u_char flag) | |||
| 76 | { | |||
| 77 | struct args_entry entry; | |||
| 78 | ||||
| 79 | entry.flag = flag; | |||
| 80 | return (RB_FIND(args_tree, &args->tree, &entry)args_tree_RB_FIND(&args->tree, &entry)); | |||
| 81 | } | |||
| 82 | ||||
| 83 | /* Copy value. */ | |||
| 84 | static void | |||
| 85 | args_copy_value(struct args_value *to, struct args_value *from) | |||
| 86 | { | |||
| 87 | to->type = from->type; | |||
| 88 | switch (from->type) { | |||
| 89 | case ARGS_NONE: | |||
| 90 | break; | |||
| 91 | case ARGS_COMMANDS: | |||
| 92 | to->cmdlist = from->cmdlist; | |||
| 93 | to->cmdlist->references++; | |||
| 94 | break; | |||
| 95 | case ARGS_STRING: | |||
| 96 | to->string = xstrdup(from->string); | |||
| 97 | break; | |||
| 98 | } | |||
| 99 | } | |||
| 100 | ||||
| 101 | /* Type to string. */ | |||
| 102 | static const char * | |||
| 103 | args_type_to_string (enum args_type type) | |||
| 104 | { | |||
| 105 | switch (type) | |||
| 106 | { | |||
| 107 | case ARGS_NONE: | |||
| 108 | return "NONE"; | |||
| 109 | case ARGS_STRING: | |||
| 110 | return "STRING"; | |||
| 111 | case ARGS_COMMANDS: | |||
| 112 | return "COMMANDS"; | |||
| 113 | } | |||
| 114 | return "INVALID"; | |||
| 115 | } | |||
| 116 | ||||
| 117 | /* Get value as string. */ | |||
| 118 | static const char * | |||
| 119 | args_value_as_string(struct args_value *value) | |||
| 120 | { | |||
| 121 | switch (value->type) { | |||
| 122 | case ARGS_NONE: | |||
| 123 | return (""); | |||
| 124 | case ARGS_COMMANDS: | |||
| 125 | if (value->cached == NULL((void *)0)) | |||
| 126 | value->cached = cmd_list_print(value->cmdlist, 0); | |||
| 127 | return (value->cached); | |||
| 128 | case ARGS_STRING: | |||
| 129 | return (value->string); | |||
| 130 | } | |||
| 131 | fatalx("unexpected argument type"); | |||
| 132 | } | |||
| 133 | ||||
| 134 | /* Create an empty arguments set. */ | |||
| 135 | struct args * | |||
| 136 | args_create(void) | |||
| 137 | { | |||
| 138 | struct args *args; | |||
| 139 | ||||
| 140 | args = xcalloc(1, sizeof *args); | |||
| 141 | RB_INIT(&args->tree)do { (&args->tree)->rbh_root = ((void *)0); } while (0); | |||
| 142 | return (args); | |||
| 143 | } | |||
| 144 | ||||
| 145 | /* Parse a single flag. */ | |||
| 146 | static int | |||
| 147 | args_parse_flag_argument(struct args_value *values, u_int count, char **cause, | |||
| 148 | struct args *args, u_int *i, const char *string, int flag, | |||
| 149 | int optional_argument) | |||
| 150 | { | |||
| 151 | struct args_value *argument, *new; | |||
| 152 | const char *s; | |||
| 153 | ||||
| 154 | new = xcalloc(1, sizeof *new); | |||
| 155 | if (*string != '\0') { | |||
| 156 | new->type = ARGS_STRING; | |||
| 157 | new->string = xstrdup(string); | |||
| 158 | goto out; | |||
| 159 | } | |||
| 160 | ||||
| 161 | if (*i == count) | |||
| 162 | argument = NULL((void *)0); | |||
| 163 | else { | |||
| 164 | argument = &values[*i]; | |||
| 165 | if (argument->type != ARGS_STRING) { | |||
| 166 | xasprintf(cause, "-%c argument must be a string", flag); | |||
| 167 | return (-1); | |||
| 168 | } | |||
| 169 | } | |||
| 170 | if (argument == NULL((void *)0)) { | |||
| 171 | if (optional_argument) { | |||
| 172 | log_debug("%s: -%c (optional)", __func__, flag); | |||
| 173 | args_set(args, flag, NULL((void *)0), ARGS_ENTRY_OPTIONAL_VALUE0x1); | |||
| 174 | return (0); /* either - or end */ | |||
| 175 | } | |||
| 176 | xasprintf(cause, "-%c expects an argument", flag); | |||
| 177 | return (-1); | |||
| 178 | } | |||
| 179 | args_copy_value(new, argument); | |||
| 180 | (*i)++; | |||
| 181 | ||||
| 182 | out: | |||
| 183 | s = args_value_as_string(new); | |||
| 184 | log_debug("%s: -%c = %s", __func__, flag, s); | |||
| 185 | args_set(args, flag, new, 0); | |||
| 186 | return (0); | |||
| 187 | } | |||
| 188 | ||||
| 189 | /* Parse flags argument. */ | |||
| 190 | static int | |||
| 191 | args_parse_flags(const struct args_parse *parse, struct args_value *values, | |||
| 192 | u_int count, char **cause, struct args *args, u_int *i) | |||
| 193 | { | |||
| 194 | struct args_value *value; | |||
| 195 | u_char flag; | |||
| 196 | const char *found, *string; | |||
| 197 | int optional_argument; | |||
| 198 | ||||
| 199 | value = &values[*i]; | |||
| 200 | if (value->type != ARGS_STRING) | |||
| 201 | return (1); | |||
| 202 | ||||
| 203 | string = value->string; | |||
| 204 | log_debug("%s: next %s", __func__, string); | |||
| 205 | if (*string++ != '-' || *string == '\0') | |||
| 206 | return (1); | |||
| 207 | (*i)++; | |||
| 208 | if (string[0] == '-' && string[1] == '\0') | |||
| 209 | return (1); | |||
| 210 | ||||
| 211 | for (;;) { | |||
| 212 | flag = *string++; | |||
| 213 | if (flag == '\0') | |||
| 214 | return (0); | |||
| 215 | if (flag == '?') | |||
| 216 | return (-1); | |||
| 217 | if (!isalnum(flag)) { | |||
| 218 | xasprintf(cause, "invalid flag -%c", flag); | |||
| 219 | return (-1); | |||
| 220 | } | |||
| 221 | ||||
| 222 | found = strchr(parse->template, flag); | |||
| 223 | if (found == NULL((void *)0)) { | |||
| 224 | xasprintf(cause, "unknown flag -%c", flag); | |||
| 225 | return (-1); | |||
| 226 | } | |||
| 227 | if (found[1] != ':') { | |||
| 228 | log_debug("%s: -%c", __func__, flag); | |||
| 229 | args_set(args, flag, NULL((void *)0), 0); | |||
| 230 | continue; | |||
| 231 | } | |||
| 232 | optional_argument = (found[2] == ':'); | |||
| 233 | return (args_parse_flag_argument(values, count, cause, args, i, | |||
| 234 | string, flag, optional_argument)); | |||
| 235 | } | |||
| 236 | } | |||
| 237 | ||||
| 238 | /* Parse arguments into a new argument set. */ | |||
| 239 | struct args * | |||
| 240 | args_parse(const struct args_parse *parse, struct args_value *values, | |||
| 241 | u_int count, char **cause) | |||
| 242 | { | |||
| 243 | struct args *args; | |||
| 244 | u_int i; | |||
| 245 | enum args_parse_type type; | |||
| 246 | struct args_value *value, *new; | |||
| 247 | const char *s; | |||
| 248 | int stop; | |||
| 249 | ||||
| 250 | if (count == 0) | |||
| 251 | return (args_create()); | |||
| 252 | ||||
| 253 | args = args_create(); | |||
| 254 | for (i = 1; i < count; /* nothing */) { | |||
| 255 | stop = args_parse_flags(parse, values, count, cause, args, &i); | |||
| 256 | if (stop == -1) { | |||
| 257 | args_free(args); | |||
| 258 | return (NULL((void *)0)); | |||
| 259 | } | |||
| 260 | if (stop == 1) | |||
| 261 | break; | |||
| 262 | } | |||
| 263 | log_debug("%s: flags end at %u of %u", __func__, i, count); | |||
| 264 | if (i != count) { | |||
| 265 | for (/* nothing */; i < count; i++) { | |||
| 266 | value = &values[i]; | |||
| 267 | ||||
| 268 | s = args_value_as_string(value); | |||
| 269 | log_debug("%s: %u = %s (type %s)", __func__, i, s, | |||
| 270 | args_type_to_string (value->type)); | |||
| 271 | ||||
| 272 | if (parse->cb != NULL((void *)0)) { | |||
| 273 | type = parse->cb(args, args->count, cause); | |||
| 274 | if (type == ARGS_PARSE_INVALID) { | |||
| 275 | args_free(args); | |||
| 276 | return (NULL((void *)0)); | |||
| 277 | } | |||
| 278 | } else | |||
| 279 | type = ARGS_PARSE_STRING; | |||
| 280 | ||||
| 281 | args->values = xrecallocarray(args->values, | |||
| 282 | args->count, args->count + 1, sizeof *args->values); | |||
| 283 | new = &args->values[args->count++]; | |||
| 284 | ||||
| 285 | switch (type) { | |||
| 286 | case ARGS_PARSE_INVALID: | |||
| 287 | fatalx("unexpected argument type"); | |||
| 288 | case ARGS_PARSE_STRING: | |||
| 289 | if (value->type != ARGS_STRING) { | |||
| 290 | xasprintf(cause, | |||
| 291 | "argument %u must be \"string\"", | |||
| 292 | args->count); | |||
| 293 | args_free(args); | |||
| 294 | return (NULL((void *)0)); | |||
| 295 | } | |||
| 296 | args_copy_value(new, value); | |||
| 297 | break; | |||
| 298 | case ARGS_PARSE_COMMANDS_OR_STRING: | |||
| 299 | args_copy_value(new, value); | |||
| 300 | break; | |||
| 301 | case ARGS_PARSE_COMMANDS: | |||
| 302 | if (value->type != ARGS_COMMANDS) { | |||
| 303 | xasprintf(cause, | |||
| 304 | "argument %u must be { commands }", | |||
| 305 | args->count); | |||
| 306 | args_free(args); | |||
| 307 | return (NULL((void *)0)); | |||
| 308 | } | |||
| 309 | args_copy_value(new, value); | |||
| 310 | break; | |||
| 311 | } | |||
| 312 | } | |||
| 313 | } | |||
| 314 | ||||
| 315 | if (parse->lower != -1 && args->count < (u_int)parse->lower) { | |||
| 316 | xasprintf(cause, | |||
| 317 | "too few arguments (need at least %u)", | |||
| 318 | parse->lower); | |||
| 319 | args_free(args); | |||
| 320 | return (NULL((void *)0)); | |||
| 321 | } | |||
| 322 | if (parse->upper != -1 && args->count > (u_int)parse->upper) { | |||
| 323 | xasprintf(cause, | |||
| 324 | "too many arguments (need at most %u)", | |||
| 325 | parse->upper); | |||
| 326 | args_free(args); | |||
| 327 | return (NULL((void *)0)); | |||
| 328 | } | |||
| 329 | return (args); | |||
| 330 | } | |||
| 331 | ||||
| 332 | /* Copy and expand a value. */ | |||
| 333 | static void | |||
| 334 | args_copy_copy_value(struct args_value *to, struct args_value *from, int argc, | |||
| 335 | char **argv) | |||
| 336 | { | |||
| 337 | char *s, *expanded; | |||
| 338 | int i; | |||
| 339 | ||||
| 340 | to->type = from->type; | |||
| 341 | switch (from->type) { | |||
| 342 | case ARGS_NONE: | |||
| 343 | break; | |||
| 344 | case ARGS_STRING: | |||
| 345 | expanded = xstrdup(from->string); | |||
| 346 | for (i = 0; i < argc; i++) { | |||
| 347 | s = cmd_template_replace(expanded, argv[i], i + 1); | |||
| 348 | free(expanded); | |||
| 349 | expanded = s; | |||
| 350 | } | |||
| 351 | to->string = expanded; | |||
| 352 | break; | |||
| 353 | case ARGS_COMMANDS: | |||
| 354 | to->cmdlist = cmd_list_copy(from->cmdlist, argc, argv); | |||
| 355 | break; | |||
| 356 | } | |||
| 357 | } | |||
| 358 | ||||
| 359 | /* Copy an arguments set. */ | |||
| 360 | struct args * | |||
| 361 | args_copy(struct args *args, int argc, char **argv) | |||
| 362 | { | |||
| 363 | struct args *new_args; | |||
| 364 | struct args_entry *entry; | |||
| 365 | struct args_value *value, *new_value; | |||
| 366 | u_int i; | |||
| 367 | ||||
| 368 | cmd_log_argv(argc, argv, "%s", __func__); | |||
| 369 | ||||
| 370 | new_args = args_create(); | |||
| 371 | RB_FOREACH(entry, args_tree, &args->tree)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( entry) != ((void *)0); (entry) = args_tree_RB_NEXT(entry)) { | |||
| 372 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) { | |||
| 373 | for (i = 0; i < entry->count; i++) | |||
| 374 | args_set(new_args, entry->flag, NULL((void *)0), 0); | |||
| 375 | continue; | |||
| 376 | } | |||
| 377 | TAILQ_FOREACH(value, &entry->values, entry)for((value) = ((&entry->values)->tqh_first); (value ) != ((void *)0); (value) = ((value)->entry.tqe_next)) { | |||
| 378 | new_value = xcalloc(1, sizeof *new_value); | |||
| 379 | args_copy_copy_value(new_value, value, argc, argv); | |||
| 380 | args_set(new_args, entry->flag, new_value, 0); | |||
| 381 | } | |||
| 382 | } | |||
| 383 | if (args->count == 0) | |||
| 384 | return (new_args); | |||
| 385 | new_args->count = args->count; | |||
| 386 | new_args->values = xcalloc(args->count, sizeof *new_args->values); | |||
| 387 | for (i = 0; i < args->count; i++) { | |||
| 388 | new_value = &new_args->values[i]; | |||
| 389 | args_copy_copy_value(new_value, &args->values[i], argc, argv); | |||
| 390 | } | |||
| 391 | return (new_args); | |||
| 392 | } | |||
| 393 | ||||
| 394 | /* Free a value. */ | |||
| 395 | void | |||
| 396 | args_free_value(struct args_value *value) | |||
| 397 | { | |||
| 398 | switch (value->type) { | |||
| 399 | case ARGS_NONE: | |||
| 400 | break; | |||
| 401 | case ARGS_STRING: | |||
| 402 | free(value->string); | |||
| 403 | break; | |||
| 404 | case ARGS_COMMANDS: | |||
| 405 | cmd_list_free(value->cmdlist); | |||
| 406 | break; | |||
| 407 | } | |||
| 408 | free(value->cached); | |||
| 409 | } | |||
| 410 | ||||
| 411 | /* Free values. */ | |||
| 412 | void | |||
| 413 | args_free_values(struct args_value *values, u_int count) | |||
| 414 | { | |||
| 415 | u_int i; | |||
| 416 | ||||
| 417 | for (i = 0; i < count; i++) | |||
| 418 | args_free_value(&values[i]); | |||
| 419 | } | |||
| 420 | ||||
| 421 | /* Free an arguments set. */ | |||
| 422 | void | |||
| 423 | args_free(struct args *args) | |||
| 424 | { | |||
| 425 | struct args_entry *entry; | |||
| 426 | struct args_entry *entry1; | |||
| 427 | struct args_value *value; | |||
| 428 | struct args_value *value1; | |||
| 429 | ||||
| 430 | args_free_values(args->values, args->count); | |||
| 431 | free(args->values); | |||
| 432 | ||||
| 433 | RB_FOREACH_SAFE(entry, args_tree, &args->tree, entry1)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( (entry) != ((void *)0)) && ((entry1) = args_tree_RB_NEXT (entry), 1); (entry) = (entry1)) { | |||
| 434 | RB_REMOVE(args_tree, &args->tree, entry)args_tree_RB_REMOVE(&args->tree, entry); | |||
| 435 | TAILQ_FOREACH_SAFE(value, &entry->values, entry, value1)for ((value) = ((&entry->values)->tqh_first); (value ) != ((void *)0) && ((value1) = ((value)->entry.tqe_next ), 1); (value) = (value1)) { | |||
| 436 | TAILQ_REMOVE(&entry->values, value, entry)do { if (((value)->entry.tqe_next) != ((void *)0)) (value) ->entry.tqe_next->entry.tqe_prev = (value)->entry.tqe_prev ; else (&entry->values)->tqh_last = (value)->entry .tqe_prev; *(value)->entry.tqe_prev = (value)->entry.tqe_next ; ; ; } while (0); | |||
| 437 | args_free_value(value); | |||
| 438 | free(value); | |||
| 439 | } | |||
| 440 | free(entry); | |||
| 441 | } | |||
| 442 | ||||
| 443 | free(args); | |||
| 444 | } | |||
| 445 | ||||
| 446 | /* Convert arguments to vector. */ | |||
| 447 | void | |||
| 448 | args_to_vector(struct args *args, int *argc, char ***argv) | |||
| 449 | { | |||
| 450 | char *s; | |||
| 451 | u_int i; | |||
| 452 | ||||
| 453 | *argc = 0; | |||
| 454 | *argv = NULL((void *)0); | |||
| 455 | ||||
| 456 | for (i = 0; i < args->count; i++) { | |||
| 457 | switch (args->values[i].type) { | |||
| 458 | case ARGS_NONE: | |||
| 459 | break; | |||
| 460 | case ARGS_STRING: | |||
| 461 | cmd_append_argv(argc, argv, args->values[i].string); | |||
| 462 | break; | |||
| 463 | case ARGS_COMMANDS: | |||
| 464 | s = cmd_list_print(args->values[i].cmdlist, 0); | |||
| 465 | cmd_append_argv(argc, argv, s); | |||
| 466 | free(s); | |||
| 467 | break; | |||
| 468 | } | |||
| 469 | } | |||
| 470 | } | |||
| 471 | ||||
| 472 | /* Convert arguments from vector. */ | |||
| 473 | struct args_value * | |||
| 474 | args_from_vector(int argc, char **argv) | |||
| 475 | { | |||
| 476 | struct args_value *values; | |||
| 477 | int i; | |||
| 478 | ||||
| 479 | values = xcalloc(argc, sizeof *values); | |||
| 480 | for (i = 0; i < argc; i++) { | |||
| 481 | values[i].type = ARGS_STRING; | |||
| 482 | values[i].string = xstrdup(argv[i]); | |||
| 483 | } | |||
| 484 | return (values); | |||
| 485 | } | |||
| 486 | ||||
| 487 | /* Add to string. */ | |||
| 488 | static void printflike(3, 4)__attribute__ ((format (printf, 3, 4))) | |||
| 489 | args_print_add(char **buf, size_t *len, const char *fmt, ...) | |||
| 490 | { | |||
| 491 | va_list ap; | |||
| 492 | char *s; | |||
| 493 | size_t slen; | |||
| 494 | ||||
| 495 | va_start(ap, fmt)__builtin_va_start((ap), fmt); | |||
| 496 | slen = xvasprintf(&s, fmt, ap); | |||
| 497 | va_end(ap)__builtin_va_end((ap)); | |||
| 498 | ||||
| 499 | *len += slen; | |||
| 500 | *buf = xrealloc(*buf, *len); | |||
| 501 | ||||
| 502 | strlcat(*buf, s, *len); | |||
| 503 | free(s); | |||
| 504 | } | |||
| 505 | ||||
| 506 | /* Add value to string. */ | |||
| 507 | static void | |||
| 508 | args_print_add_value(char **buf, size_t *len, struct args_value *value) | |||
| 509 | { | |||
| 510 | char *expanded = NULL((void *)0); | |||
| 511 | ||||
| 512 | if (**buf != '\0') | |||
| 513 | args_print_add(buf, len, " "); | |||
| 514 | ||||
| 515 | switch (value->type) { | |||
| 516 | case ARGS_NONE: | |||
| 517 | break; | |||
| 518 | case ARGS_COMMANDS: | |||
| 519 | expanded = cmd_list_print(value->cmdlist, 0); | |||
| 520 | args_print_add(buf, len, "{ %s }", expanded); | |||
| 521 | break; | |||
| 522 | case ARGS_STRING: | |||
| 523 | expanded = args_escape(value->string); | |||
| 524 | args_print_add(buf, len, "%s", expanded); | |||
| 525 | break; | |||
| 526 | } | |||
| 527 | free(expanded); | |||
| 528 | } | |||
| 529 | ||||
| 530 | /* Print a set of arguments. */ | |||
| 531 | char * | |||
| 532 | args_print(struct args *args) | |||
| 533 | { | |||
| 534 | size_t len; | |||
| 535 | char *buf; | |||
| 536 | u_int i, j; | |||
| 537 | struct args_entry *entry; | |||
| 538 | struct args_entry *last = NULL((void *)0); | |||
| 539 | struct args_value *value; | |||
| 540 | ||||
| 541 | len = 1; | |||
| 542 | buf = xcalloc(1, len); | |||
| 543 | ||||
| 544 | /* Process the flags first. */ | |||
| 545 | RB_FOREACH(entry, args_tree, &args->tree)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( entry) != ((void *)0); (entry) = args_tree_RB_NEXT(entry)) { | |||
| 546 | if (entry->flags & ARGS_ENTRY_OPTIONAL_VALUE0x1) | |||
| 547 | continue; | |||
| 548 | if (!TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) | |||
| 549 | continue; | |||
| 550 | ||||
| 551 | if (*buf == '\0') | |||
| 552 | args_print_add(&buf, &len, "-"); | |||
| 553 | for (j = 0; j < entry->count; j++) | |||
| 554 | args_print_add(&buf, &len, "%c", entry->flag); | |||
| 555 | } | |||
| 556 | ||||
| 557 | /* Then the flags with arguments. */ | |||
| 558 | RB_FOREACH(entry, args_tree, &args->tree)for ((entry) = args_tree_RB_MINMAX(&args->tree, -1); ( entry) != ((void *)0); (entry) = args_tree_RB_NEXT(entry)) { | |||
| 559 | if (entry->flags & ARGS_ENTRY_OPTIONAL_VALUE0x1) { | |||
| 560 | if (*buf != '\0') | |||
| 561 | args_print_add(&buf, &len, " -%c", entry->flag); | |||
| 562 | else | |||
| 563 | args_print_add(&buf, &len, "-%c", entry->flag); | |||
| 564 | last = entry; | |||
| 565 | continue; | |||
| 566 | } | |||
| 567 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) | |||
| 568 | continue; | |||
| 569 | TAILQ_FOREACH(value, &entry->values, entry)for((value) = ((&entry->values)->tqh_first); (value ) != ((void *)0); (value) = ((value)->entry.tqe_next)) { | |||
| 570 | if (*buf != '\0') | |||
| 571 | args_print_add(&buf, &len, " -%c", entry->flag); | |||
| 572 | else | |||
| 573 | args_print_add(&buf, &len, "-%c", entry->flag); | |||
| 574 | args_print_add_value(&buf, &len, value); | |||
| 575 | } | |||
| 576 | last = entry; | |||
| 577 | } | |||
| 578 | if (last && (last->flags & ARGS_ENTRY_OPTIONAL_VALUE0x1)) | |||
| 579 | args_print_add(&buf, &len, " --"); | |||
| 580 | ||||
| 581 | /* And finally the argument vector. */ | |||
| 582 | for (i = 0; i < args->count; i++) | |||
| 583 | args_print_add_value(&buf, &len, &args->values[i]); | |||
| 584 | ||||
| 585 | return (buf); | |||
| 586 | } | |||
| 587 | ||||
| 588 | /* Escape an argument. */ | |||
| 589 | char * | |||
| 590 | args_escape(const char *s) | |||
| 591 | { | |||
| 592 | static const char dquoted[] = " #';${}%"; | |||
| 593 | static const char squoted[] = " \""; | |||
| 594 | char *escaped, *result; | |||
| 595 | int flags, quotes = 0; | |||
| 596 | ||||
| 597 | if (*s == '\0') { | |||
| 598 | xasprintf(&result, "''"); | |||
| 599 | return (result); | |||
| 600 | } | |||
| 601 | if (s[strcspn(s, dquoted)] != '\0') | |||
| 602 | quotes = '"'; | |||
| 603 | else if (s[strcspn(s, squoted)] != '\0') | |||
| 604 | quotes = '\''; | |||
| 605 | ||||
| 606 | if (s[0] != ' ' && | |||
| 607 | s[1] == '\0' && | |||
| 608 | (quotes != 0 || s[0] == '~')) { | |||
| 609 | xasprintf(&escaped, "\\%c", s[0]); | |||
| 610 | return (escaped); | |||
| 611 | } | |||
| 612 | ||||
| 613 | flags = VIS_OCTAL0x01|VIS_CSTYLE0x02|VIS_TAB0x08|VIS_NL0x10; | |||
| 614 | if (quotes == '"') | |||
| 615 | flags |= VIS_DQ0x200; | |||
| 616 | utf8_stravis(&escaped, s, flags); | |||
| 617 | ||||
| 618 | if (quotes == '\'') | |||
| 619 | xasprintf(&result, "'%s'", escaped); | |||
| 620 | else if (quotes == '"') { | |||
| 621 | if (*escaped == '~') | |||
| 622 | xasprintf(&result, "\"\\%s\"", escaped); | |||
| 623 | else | |||
| 624 | xasprintf(&result, "\"%s\"", escaped); | |||
| 625 | } else { | |||
| 626 | if (*escaped == '~') | |||
| 627 | xasprintf(&result, "\\%s", escaped); | |||
| 628 | else | |||
| 629 | result = xstrdup(escaped); | |||
| 630 | } | |||
| 631 | free(escaped); | |||
| 632 | return (result); | |||
| 633 | } | |||
| 634 | ||||
| 635 | /* Return if an argument is present. */ | |||
| 636 | int | |||
| 637 | args_has(struct args *args, u_char flag) | |||
| 638 | { | |||
| 639 | struct args_entry *entry; | |||
| 640 | ||||
| 641 | entry = args_find(args, flag); | |||
| 642 | if (entry == NULL((void *)0)) | |||
| 643 | return (0); | |||
| 644 | return (entry->count); | |||
| 645 | } | |||
| 646 | ||||
| 647 | /* Set argument value in the arguments tree. */ | |||
| 648 | void | |||
| 649 | args_set(struct args *args, u_char flag, struct args_value *value, int flags) | |||
| 650 | { | |||
| 651 | struct args_entry *entry; | |||
| 652 | ||||
| 653 | entry = args_find(args, flag); | |||
| 654 | if (entry == NULL((void *)0)) { | |||
| 655 | entry = xcalloc(1, sizeof *entry); | |||
| 656 | entry->flag = flag; | |||
| 657 | entry->count = 1; | |||
| 658 | entry->flags = flags; | |||
| 659 | TAILQ_INIT(&entry->values)do { (&entry->values)->tqh_first = ((void *)0); (& entry->values)->tqh_last = &(&entry->values) ->tqh_first; } while (0); | |||
| 660 | RB_INSERT(args_tree, &args->tree, entry)args_tree_RB_INSERT(&args->tree, entry); | |||
| 661 | } else | |||
| 662 | entry->count++; | |||
| 663 | if (value != NULL((void *)0) && value->type != ARGS_NONE) | |||
| 664 | TAILQ_INSERT_TAIL(&entry->values, value, entry)do { (value)->entry.tqe_next = ((void *)0); (value)->entry .tqe_prev = (&entry->values)->tqh_last; *(&entry ->values)->tqh_last = (value); (&entry->values)-> tqh_last = &(value)->entry.tqe_next; } while (0); | |||
| 665 | } | |||
| 666 | ||||
| 667 | /* Get argument value. Will be NULL if it isn't present. */ | |||
| 668 | const char * | |||
| 669 | args_get(struct args *args, u_char flag) | |||
| 670 | { | |||
| 671 | struct args_entry *entry; | |||
| 672 | ||||
| 673 | if ((entry = args_find(args, flag)) == NULL((void *)0)) | |||
| 674 | return (NULL((void *)0)); | |||
| 675 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) | |||
| 676 | return (NULL((void *)0)); | |||
| 677 | return (TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last))->string); | |||
| 678 | } | |||
| 679 | ||||
| 680 | /* Get first argument. */ | |||
| 681 | u_char | |||
| 682 | args_first(struct args *args, struct args_entry **entry) | |||
| 683 | { | |||
| 684 | *entry = RB_MIN(args_tree, &args->tree)args_tree_RB_MINMAX(&args->tree, -1); | |||
| 685 | if (*entry == NULL((void *)0)) | |||
| 686 | return (0); | |||
| 687 | return ((*entry)->flag); | |||
| 688 | } | |||
| 689 | ||||
| 690 | /* Get next argument. */ | |||
| 691 | u_char | |||
| 692 | args_next(struct args_entry **entry) | |||
| 693 | { | |||
| 694 | *entry = RB_NEXT(args_tree, &args->tree, *entry)args_tree_RB_NEXT(*entry); | |||
| 695 | if (*entry == NULL((void *)0)) | |||
| 696 | return (0); | |||
| 697 | return ((*entry)->flag); | |||
| 698 | } | |||
| 699 | ||||
| 700 | /* Get argument count. */ | |||
| 701 | u_int | |||
| 702 | args_count(struct args *args) | |||
| 703 | { | |||
| 704 | return (args->count); | |||
| 705 | } | |||
| 706 | ||||
| 707 | /* Get argument values. */ | |||
| 708 | struct args_value * | |||
| 709 | args_values(struct args *args) | |||
| 710 | { | |||
| 711 | return (args->values); | |||
| 712 | } | |||
| 713 | ||||
| 714 | /* Get argument value. */ | |||
| 715 | struct args_value * | |||
| 716 | args_value(struct args *args, u_int idx) | |||
| 717 | { | |||
| 718 | if (idx >= args->count) | |||
| 719 | return (NULL((void *)0)); | |||
| 720 | return (&args->values[idx]); | |||
| 721 | } | |||
| 722 | ||||
| 723 | /* Return argument as string. */ | |||
| 724 | const char * | |||
| 725 | args_string(struct args *args, u_int idx) | |||
| 726 | { | |||
| 727 | if (idx >= args->count) | |||
| 728 | return (NULL((void *)0)); | |||
| 729 | return (args_value_as_string(&args->values[idx])); | |||
| 730 | } | |||
| 731 | ||||
| 732 | /* Make a command now. */ | |||
| 733 | struct cmd_list * | |||
| 734 | args_make_commands_now(struct cmd *self, struct cmdq_item *item, u_int idx, | |||
| 735 | int expand) | |||
| 736 | { | |||
| 737 | struct args_command_state *state; | |||
| 738 | char *error; | |||
| ||||
| 739 | struct cmd_list *cmdlist; | |||
| 740 | ||||
| 741 | state = args_make_commands_prepare(self, item, idx, NULL((void *)0), 0, expand); | |||
| 742 | cmdlist = args_make_commands(state, 0, NULL((void *)0), &error); | |||
| 743 | if (cmdlist == NULL((void *)0)) { | |||
| 744 | cmdq_error(item, "%s", error); | |||
| ||||
| 745 | free(error); | |||
| 746 | } | |||
| 747 | else | |||
| 748 | cmdlist->references++; | |||
| 749 | args_make_commands_free(state); | |||
| 750 | return (cmdlist); | |||
| 751 | } | |||
| 752 | ||||
| 753 | /* Save bits to make a command later. */ | |||
| 754 | struct args_command_state * | |||
| 755 | args_make_commands_prepare(struct cmd *self, struct cmdq_item *item, u_int idx, | |||
| 756 | const char *default_command, int wait, int expand) | |||
| 757 | { | |||
| 758 | struct args *args = cmd_get_args(self); | |||
| 759 | struct cmd_find_state *target = cmdq_get_target(item); | |||
| 760 | struct client *tc = cmdq_get_target_client(item); | |||
| 761 | struct args_value *value; | |||
| 762 | struct args_command_state *state; | |||
| 763 | const char *cmd; | |||
| 764 | const char *file; | |||
| 765 | ||||
| 766 | state = xcalloc(1, sizeof *state); | |||
| 767 | ||||
| 768 | if (idx < args->count) { | |||
| 769 | value = &args->values[idx]; | |||
| 770 | if (value->type == ARGS_COMMANDS) { | |||
| 771 | state->cmdlist = value->cmdlist; | |||
| 772 | state->cmdlist->references++; | |||
| 773 | return (state); | |||
| 774 | } | |||
| 775 | cmd = value->string; | |||
| 776 | } else { | |||
| 777 | if (default_command == NULL((void *)0)) | |||
| 778 | fatalx("argument out of range"); | |||
| 779 | cmd = default_command; | |||
| 780 | } | |||
| 781 | ||||
| 782 | ||||
| 783 | if (expand) | |||
| 784 | state->cmd = format_single_from_target(item, cmd); | |||
| 785 | else | |||
| 786 | state->cmd = xstrdup(cmd); | |||
| 787 | log_debug("%s: %s", __func__, state->cmd); | |||
| 788 | ||||
| 789 | if (wait) | |||
| 790 | state->pi.item = item; | |||
| 791 | cmd_get_source(self, &file, &state->pi.line); | |||
| 792 | if (file != NULL((void *)0)) | |||
| 793 | state->pi.file = xstrdup(file); | |||
| 794 | state->pi.c = tc; | |||
| 795 | if (state->pi.c != NULL((void *)0)) | |||
| 796 | state->pi.c->references++; | |||
| 797 | cmd_find_copy_state(&state->pi.fs, target); | |||
| 798 | ||||
| 799 | return (state); | |||
| 800 | } | |||
| 801 | ||||
| 802 | /* Return argument as command. */ | |||
| 803 | struct cmd_list * | |||
| 804 | args_make_commands(struct args_command_state *state, int argc, char **argv, | |||
| 805 | char **error) | |||
| 806 | { | |||
| 807 | struct cmd_parse_result *pr; | |||
| 808 | char *cmd, *new_cmd; | |||
| 809 | int i; | |||
| 810 | ||||
| 811 | if (state->cmdlist != NULL((void *)0)) { | |||
| 812 | if (argc == 0) | |||
| 813 | return (state->cmdlist); | |||
| 814 | return (cmd_list_copy(state->cmdlist, argc, argv)); | |||
| 815 | } | |||
| 816 | ||||
| 817 | cmd = xstrdup(state->cmd); | |||
| 818 | log_debug("%s: %s", __func__, cmd); | |||
| 819 | cmd_log_argv(argc, argv, __func__); | |||
| 820 | for (i = 0; i < argc; i++) { | |||
| 821 | new_cmd = cmd_template_replace(cmd, argv[i], i + 1); | |||
| 822 | log_debug("%s: %%%u %s: %s", __func__, i + 1, argv[i], new_cmd); | |||
| 823 | free(cmd); | |||
| 824 | cmd = new_cmd; | |||
| 825 | } | |||
| 826 | log_debug("%s: %s", __func__, cmd); | |||
| 827 | ||||
| 828 | pr = cmd_parse_from_string(cmd, &state->pi); | |||
| 829 | free(cmd); | |||
| 830 | switch (pr->status) { | |||
| 831 | case CMD_PARSE_ERROR: | |||
| 832 | *error = pr->error; | |||
| 833 | return (NULL((void *)0)); | |||
| 834 | case CMD_PARSE_SUCCESS: | |||
| 835 | return (pr->cmdlist); | |||
| 836 | } | |||
| 837 | fatalx("invalid parse return state"); | |||
| 838 | } | |||
| 839 | ||||
| 840 | /* Free commands state. */ | |||
| 841 | void | |||
| 842 | args_make_commands_free(struct args_command_state *state) | |||
| 843 | { | |||
| 844 | if (state->cmdlist != NULL((void *)0)) | |||
| 845 | cmd_list_free(state->cmdlist); | |||
| 846 | if (state->pi.c != NULL((void *)0)) | |||
| 847 | server_client_unref(state->pi.c); | |||
| 848 | free((void *)state->pi.file); | |||
| 849 | free(state->cmd); | |||
| 850 | free(state); | |||
| 851 | } | |||
| 852 | ||||
| 853 | /* Get prepared command. */ | |||
| 854 | char * | |||
| 855 | args_make_commands_get_command(struct args_command_state *state) | |||
| 856 | { | |||
| 857 | struct cmd *first; | |||
| 858 | int n; | |||
| 859 | char *s; | |||
| 860 | ||||
| 861 | if (state->cmdlist != NULL((void *)0)) { | |||
| 862 | first = cmd_list_first(state->cmdlist); | |||
| 863 | if (first == NULL((void *)0)) | |||
| 864 | return (xstrdup("")); | |||
| 865 | return (xstrdup(cmd_get_entry(first)->name)); | |||
| 866 | } | |||
| 867 | n = strcspn(state->cmd, " ,"); | |||
| 868 | xasprintf(&s, "%.*s", n, state->cmd); | |||
| 869 | return (s); | |||
| 870 | } | |||
| 871 | ||||
| 872 | /* Get first value in argument. */ | |||
| 873 | struct args_value * | |||
| 874 | args_first_value(struct args *args, u_char flag) | |||
| 875 | { | |||
| 876 | struct args_entry *entry; | |||
| 877 | ||||
| 878 | if ((entry = args_find(args, flag)) == NULL((void *)0)) | |||
| 879 | return (NULL((void *)0)); | |||
| 880 | return (TAILQ_FIRST(&entry->values)((&entry->values)->tqh_first)); | |||
| 881 | } | |||
| 882 | ||||
| 883 | /* Get next value in argument. */ | |||
| 884 | struct args_value * | |||
| 885 | args_next_value(struct args_value *value) | |||
| 886 | { | |||
| 887 | return (TAILQ_NEXT(value, entry)((value)->entry.tqe_next)); | |||
| 888 | } | |||
| 889 | ||||
| 890 | /* Convert an argument value to a number. */ | |||
| 891 | long long | |||
| 892 | args_strtonum(struct args *args, u_char flag, long long minval, | |||
| 893 | long long maxval, char **cause) | |||
| 894 | { | |||
| 895 | const char *errstr; | |||
| 896 | long long ll; | |||
| 897 | struct args_entry *entry; | |||
| 898 | struct args_value *value; | |||
| 899 | ||||
| 900 | if ((entry = args_find(args, flag)) == NULL((void *)0)) { | |||
| 901 | *cause = xstrdup("missing"); | |||
| 902 | return (0); | |||
| 903 | } | |||
| 904 | value = TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last)); | |||
| 905 | if (value == NULL((void *)0) || | |||
| 906 | value->type != ARGS_STRING || | |||
| 907 | value->string == NULL((void *)0)) { | |||
| 908 | *cause = xstrdup("missing"); | |||
| 909 | return (0); | |||
| 910 | } | |||
| 911 | ||||
| 912 | ll = strtonum(value->string, minval, maxval, &errstr); | |||
| 913 | if (errstr != NULL((void *)0)) { | |||
| 914 | *cause = xstrdup(errstr); | |||
| 915 | return (0); | |||
| 916 | } | |||
| 917 | ||||
| 918 | *cause = NULL((void *)0); | |||
| 919 | return (ll); | |||
| 920 | } | |||
| 921 | ||||
| 922 | /* Convert an argument value to a number, and expand formats. */ | |||
| 923 | long long | |||
| 924 | args_strtonum_and_expand(struct args *args, u_char flag, long long minval, | |||
| 925 | long long maxval, struct cmdq_item *item, char **cause) | |||
| 926 | { | |||
| 927 | const char *errstr; | |||
| 928 | char *formatted; | |||
| 929 | long long ll; | |||
| 930 | struct args_entry *entry; | |||
| 931 | struct args_value *value; | |||
| 932 | ||||
| 933 | if ((entry = args_find(args, flag)) == NULL((void *)0)) { | |||
| 934 | *cause = xstrdup("missing"); | |||
| 935 | return (0); | |||
| 936 | } | |||
| 937 | value = TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last)); | |||
| 938 | if (value == NULL((void *)0) || | |||
| 939 | value->type != ARGS_STRING || | |||
| 940 | value->string == NULL((void *)0)) { | |||
| 941 | *cause = xstrdup("missing"); | |||
| 942 | return (0); | |||
| 943 | } | |||
| 944 | ||||
| 945 | formatted = format_single_from_target(item, value->string); | |||
| 946 | ll = strtonum(formatted, minval, maxval, &errstr); | |||
| 947 | free(formatted); | |||
| 948 | if (errstr != NULL((void *)0)) { | |||
| 949 | *cause = xstrdup(errstr); | |||
| 950 | return (0); | |||
| 951 | } | |||
| 952 | ||||
| 953 | *cause = NULL((void *)0); | |||
| 954 | return (ll); | |||
| 955 | } | |||
| 956 | ||||
| 957 | /* Convert an argument to a number which may be a percentage. */ | |||
| 958 | long long | |||
| 959 | args_percentage(struct args *args, u_char flag, long long minval, | |||
| 960 | long long maxval, long long curval, char **cause) | |||
| 961 | { | |||
| 962 | const char *value; | |||
| 963 | struct args_entry *entry; | |||
| 964 | ||||
| 965 | if ((entry = args_find(args, flag)) == NULL((void *)0)) { | |||
| 966 | *cause = xstrdup("missing"); | |||
| 967 | return (0); | |||
| 968 | } | |||
| 969 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) { | |||
| 970 | *cause = xstrdup("empty"); | |||
| 971 | return (0); | |||
| 972 | } | |||
| 973 | value = TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last))->string; | |||
| 974 | return (args_string_percentage(value, minval, maxval, curval, cause)); | |||
| 975 | } | |||
| 976 | ||||
| 977 | /* Convert a string to a number which may be a percentage. */ | |||
| 978 | long long | |||
| 979 | args_string_percentage(const char *value, long long minval, long long maxval, | |||
| 980 | long long curval, char **cause) | |||
| 981 | { | |||
| 982 | const char *errstr; | |||
| 983 | long long ll; | |||
| 984 | size_t valuelen = strlen(value); | |||
| 985 | char *copy; | |||
| 986 | ||||
| 987 | if (valuelen == 0) { | |||
| 988 | *cause = xstrdup("empty"); | |||
| 989 | return (0); | |||
| 990 | } | |||
| 991 | if (value[valuelen - 1] == '%') { | |||
| 992 | copy = xstrdup(value); | |||
| 993 | copy[valuelen - 1] = '\0'; | |||
| 994 | ||||
| 995 | ll = strtonum(copy, 0, 100, &errstr); | |||
| 996 | free(copy); | |||
| 997 | if (errstr != NULL((void *)0)) { | |||
| 998 | *cause = xstrdup(errstr); | |||
| 999 | return (0); | |||
| 1000 | } | |||
| 1001 | ll = (curval * ll) / 100; | |||
| 1002 | if (ll < minval) { | |||
| 1003 | *cause = xstrdup("too small"); | |||
| 1004 | return (0); | |||
| 1005 | } | |||
| 1006 | if (ll > maxval) { | |||
| 1007 | *cause = xstrdup("too large"); | |||
| 1008 | return (0); | |||
| 1009 | } | |||
| 1010 | } else { | |||
| 1011 | ll = strtonum(value, minval, maxval, &errstr); | |||
| 1012 | if (errstr != NULL((void *)0)) { | |||
| 1013 | *cause = xstrdup(errstr); | |||
| 1014 | return (0); | |||
| 1015 | } | |||
| 1016 | } | |||
| 1017 | ||||
| 1018 | *cause = NULL((void *)0); | |||
| 1019 | return (ll); | |||
| 1020 | } | |||
| 1021 | ||||
| 1022 | /* | |||
| 1023 | * Convert an argument to a number which may be a percentage, and expand | |||
| 1024 | * formats. | |||
| 1025 | */ | |||
| 1026 | long long | |||
| 1027 | args_percentage_and_expand(struct args *args, u_char flag, long long minval, | |||
| 1028 | long long maxval, long long curval, struct cmdq_item *item, char **cause) | |||
| 1029 | { | |||
| 1030 | const char *value; | |||
| 1031 | struct args_entry *entry; | |||
| 1032 | ||||
| 1033 | if ((entry = args_find(args, flag)) == NULL((void *)0)) { | |||
| 1034 | *cause = xstrdup("missing"); | |||
| 1035 | return (0); | |||
| 1036 | } | |||
| 1037 | if (TAILQ_EMPTY(&entry->values)(((&entry->values)->tqh_first) == ((void *)0))) { | |||
| 1038 | *cause = xstrdup("empty"); | |||
| 1039 | return (0); | |||
| 1040 | } | |||
| 1041 | value = TAILQ_LAST(&entry->values, args_values)(*(((struct args_values *)((&entry->values)->tqh_last ))->tqh_last))->string; | |||
| 1042 | return (args_string_percentage_and_expand(value, minval, maxval, curval, | |||
| 1043 | item, cause)); | |||
| 1044 | } | |||
| 1045 | ||||
| 1046 | /* | |||
| 1047 | * Convert a string to a number which may be a percentage, and expand formats. | |||
| 1048 | */ | |||
| 1049 | long long | |||
| 1050 | args_string_percentage_and_expand(const char *value, long long minval, | |||
| 1051 | long long maxval, long long curval, struct cmdq_item *item, char **cause) | |||
| 1052 | { | |||
| 1053 | const char *errstr; | |||
| 1054 | long long ll; | |||
| 1055 | size_t valuelen = strlen(value); | |||
| 1056 | char *copy, *f; | |||
| 1057 | ||||
| 1058 | if (value[valuelen - 1] == '%') { | |||
| 1059 | copy = xstrdup(value); | |||
| 1060 | copy[valuelen - 1] = '\0'; | |||
| 1061 | ||||
| 1062 | f = format_single_from_target(item, copy); | |||
| 1063 | ll = strtonum(f, 0, 100, &errstr); | |||
| 1064 | free(f); | |||
| 1065 | free(copy); | |||
| 1066 | if (errstr != NULL((void *)0)) { | |||
| 1067 | *cause = xstrdup(errstr); | |||
| 1068 | return (0); | |||
| 1069 | } | |||
| 1070 | ll = (curval * ll) / 100; | |||
| 1071 | if (ll < minval) { | |||
| 1072 | *cause = xstrdup("too small"); | |||
| 1073 | return (0); | |||
| 1074 | } | |||
| 1075 | if (ll > maxval) { | |||
| 1076 | *cause = xstrdup("too large"); | |||
| 1077 | return (0); | |||
| 1078 | } | |||
| 1079 | } else { | |||
| 1080 | f = format_single_from_target(item, value); | |||
| 1081 | ll = strtonum(f, minval, maxval, &errstr); | |||
| 1082 | free(f); | |||
| 1083 | if (errstr != NULL((void *)0)) { | |||
| 1084 | *cause = xstrdup(errstr); | |||
| 1085 | return (0); | |||
| 1086 | } | |||
| 1087 | } | |||
| 1088 | ||||
| 1089 | *cause = NULL((void *)0); | |||
| 1090 | return (ll); | |||
| 1091 | } |